Initial Files Addition to Repository

All required files are added to the repository with the use of
development branch

PEAR2/Autoload.php

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+<?php
+namespace PEAR2;
+if (!class_exists('\PEAR2\Autoload', false)) {
+    class Autoload
+    {
+        /**
+         * Whether the autoload class has been spl_autoload_register-ed
+         * 
+         * @var bool
+         */
+        protected static $registered = false;
+
+        /**
+         * Array of PEAR2 autoload paths registered
+         * 
+         * @var array
+         */
+        protected static $paths = array();
+        
+        /**
+         * Array of classname-to-file mapping
+         *
+         * @var array
+         */
+        protected static $map = array();
+
+        /**
+         * Array of class maps loaded
+         *
+         * @var array
+         */
+        protected static $maps = array();
+
+        /**
+         * Last classmap specified
+         *
+         * @var array
+         */
+        protected static $mapfile = null;
+
+        /**
+         * Array of classes loaded automatically not in the map
+         *
+         * @var array
+         */
+        protected static $unmapped = array();
+
+        /**
+         * Initialize the PEAR2 autoloader
+         * 
+         * @param string $path Directory path to register
+         * 
+         * @return void
+         */
+        static function initialize($path, $mapfile = null)
+        {
+            self::register();
+            self::addPath($path);
+            self::addMap($mapfile);
+        }
+
+        /**
+         * Register the PEAR2 autoload class with spl_autoload_register
+         * 
+         * @return void
+         */
+        protected static function register()
+        {
+            if (!self::$registered) {
+                // set up __autoload
+                $autoload = spl_autoload_functions();
+                spl_autoload_register('PEAR2\Autoload::load');
+                if (function_exists('__autoload') && ($autoload === false)) {
+                    // __autoload() was being used, but now would be ignored, add
+                    // it to the autoload stack
+                    spl_autoload_register('__autoload');
+                }
+            }
+            self::$registered = true;
+        }
+
+        /**
+         * Add a path
+         * 
+         * @param string $path The directory to add to the set of PEAR2 paths
+         * 
+         * @return void
+         */
+        protected static function addPath($path)
+        {
+            if (!in_array($path, self::$paths)) {
+                self::$paths[] = $path;
+            }
+        }
+
+        /**
+         * Add a classname-to-file map
+         *
+         * @param string $mapfile The filename of the classmap
+         *
+         * @return void
+         */
+        protected static function addMap($mapfile)
+        {
+            if (! in_array($mapfile, self::$maps)) {
+                
+                // keep track of specific map file loaded in this
+                // instance so we can update it if necessary                
+                self::$mapfile = $mapfile;
+                
+                if (file_exists($mapfile)) {
+                    $map = include $mapfile;
+                    if (is_array($map)) {
+                        // mapfile contains a valid map, so we'll keep it
+                        self::$maps[] = $mapfile;                        
+                        self::$map = array_merge(self::$map, $map);
+                    }
+                }
+                
+            }
+        }
+
+        /**
+         * Check if the class is already defined in a classmap
+         * 
+         * @param string $class The class to look for
+         * 
+         * @return bool
+         */
+        protected static function isMapped($class)
+        {
+            if (isset(self::$map[$class])) {
+                return true;
+            }
+            if (isset(self::$mapfile) && ! isset(self::$map[$class])) {
+                self::$unmapped[] = $class;
+                return false;
+            }
+            return false;
+        }
+
+        /**
+         * Load a PEAR2 class
+         * 
+         * @param string $class The class to load
+         * 
+         * @return bool
+         */
+        static function load($class)
+        {
+            // need to check if there's a current map file specified ALSO.
+            // this could be the first time writing it.
+            $mapped = self::isMapped($class);
+            if ($mapped) {
+                require self::$map[$class];
+                if (!self::loadSuccessful($class)) {
+                    // record this failure & keep going, we may still find it
+                    self::$unmapped[] = $class;
+                } else {
+                    return true;
+                }
+            }
+
+            $file = str_replace(array('_', '\\'), DIRECTORY_SEPARATOR, $class) . '.php';
+            foreach (self::$paths as $path) {
+                if (file_exists($path . DIRECTORY_SEPARATOR . $file)) {
+                    require $path . DIRECTORY_SEPARATOR . $file;
+                    if (!self::loadSuccessful($class)) {
+                        throw new \Exception('Class ' . $class . ' was not present in ' .
+                            $path . DIRECTORY_SEPARATOR . $file .
+                            '") [PEAR2_Autoload-0.2.4]');
+                    }
+                    
+                    if (in_array($class, self::$unmapped)) {
+                        self::updateMap($class, $path . DIRECTORY_SEPARATOR . $file);
+                    }
+                    return true;
+                }
+            }
+            
+            $e = new \Exception('Class ' . $class . ' could not be loaded from ' .
+                $file . ', file does not exist (registered paths="' .
+                implode(PATH_SEPARATOR, self::$paths) .
+                '") [PEAR2_Autoload-0.2.4]');
+            $trace = $e->getTrace();
+            if (isset($trace[2]) && isset($trace[2]['function']) &&
+                  in_array($trace[2]['function'], array('class_exists', 'interface_exists'))) {
+                return false;
+            }
+            if (isset($trace[1]) && isset($trace[1]['function']) &&
+                  in_array($trace[1]['function'], array('class_exists', 'interface_exists'))) {
+                return false;
+            }
+            throw $e;
+        }
+
+        /**
+         * Check if the requested class was loaded from the specified path
+         * 
+         * @return bool
+         */
+        protected static function loadSuccessful($class)
+        {
+            if (!class_exists($class, false) && !interface_exists($class, false)) {
+                return false;
+            }
+            return true;
+        }
+        
+        /**
+         * If possible, update the classmap file with newly-discovered 
+         * mapping.
+         * 
+         * @param string $class Class name discovered
+         * 
+         * @param string $origin File where class was found
+         * 
+         */
+        protected static function updateMap($class, $origin)
+        {
+            if (is_writable(self::$mapfile) || is_writable(dirname(self::$mapfile))) {
+                self::$map[$class] = $origin;
+                file_put_contents(self::$mapfile, 
+                    '<'."?php\n"
+                    . "// PEAR2\Autoload auto-generated classmap\n"
+                    . "return " . var_export(self::$map, true) . ';',
+                    LOCK_EX
+                );
+            }
+        }
+        
+        /**
+         * return the array of paths PEAR2 autoload has registered
+         * 
+         * @return array
+         */
+        static function getPaths()
+        {
+            return self::$paths;
+        }
+    }
+}
+Autoload::initialize(dirname(__DIR__));

PEAR2/Cache/SHM.php

@@ -0,0 +1,371 @@
+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache;
+
+/**
+ * Used as a catch-all for adapter initialization.
+ */
+use Exception as E;
+
+/**
+ * Implements this class.
+ */
+use IteratorAggregate;
+
+/**
+ * Used on failures by this class.
+ */
+use PEAR2\Cache\SHM\InvalidArgumentException;
+
+/**
+ * Main class for this package.
+ * 
+ * Automatically chooses an adapter based on the available extensions.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+abstract class SHM implements IteratorAggregate
+{
+    /**
+     * @var array An array of adapter names that meet their requirements.
+     */
+    private static $_adapters = array();
+    
+    /**
+     * Creates a new shared memory storage.
+     * 
+     * Estabilishes a separate persistent storage. Adapter is automatically
+     * chosen based on the available extensions.
+     * 
+     * @param string $persistentId The ID for the storage.
+     * 
+     * @return static|SHM A new instance of an SHM adapter (child of this
+     * class).
+     */
+    final public static function factory($persistentId)
+    {
+        foreach (self::$_adapters as $adapter) {
+            try {
+                return new $adapter($persistentId);
+            } catch (E $e) {
+                //In case of a runtime error, try to fallback to other adapters.
+            }
+        }
+        throw new InvalidArgumentException(
+            'No appropriate adapter available',
+            1
+        );
+    }
+    
+    /**
+     * Checks if the adapter meets its requirements.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function isMeetingRequirements()
+    {
+        return true;
+    }
+    
+    /**
+     * Registers an adapter.
+     * 
+     * Registers an SHM adapter, allowing you to call it with {@link factory()}.
+     * 
+     * @param string $adapter FQCN of adapter. A valid adapter is one that
+     *     extends this class. The class will be autoloaded if not already
+     *     present.
+     * @param bool   $prepend Whether to prepend this adapter into the list of
+     *     possible adapters, instead of appending to it.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    final public static function registerAdapter($adapter, $prepend = false)
+    {
+        if (class_exists($adapter, true)
+            && is_subclass_of($adapter, '\\' . __CLASS__)
+            && $adapter::isMeetingRequirements()
+        ) {
+            if ($prepend) {
+                self::$_adapters = array_merge(
+                    array($adapter),
+                    self::$_adapters
+                );
+            } else {
+                self::$_adapters[] = $adapter;
+            }
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Adds a value to the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, or fails if it does.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function __invoke($key, $value, $ttl = 0)
+    {
+        return $this->add($key, $value, $ttl);
+    }
+    
+    /**
+     * Gets a value from the shared memory storage.
+     * 
+     * This is a magic method, thanks to which any property you attempt to get
+     * the value of will be fetched from the adapter, treating the property name
+     * as the key of the value to get.
+     * 
+     * @param string $key Name of key to get.
+     * 
+     * @return mixed The current value of the specified key.
+     */
+    public function __get($key)
+    {
+        return $this->get($key);
+    }
+    
+    /**
+     * Sets a value in the shared memory storage.
+     * 
+     * This is a magic method, thanks to which any property you attempt to set
+     * the value of will be set by the adapter, treating the property name as
+     * the key of the value to set. The value is set without a TTL.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function __set($key, $value)
+    {
+        return $this->set($key, $value);
+    }
+    
+    /**
+     * Checks if a specified key is in the storage.
+     * 
+     * This is a magic method, thanks to which any property you call isset() on
+     * will be checked by the adapter, treating the property name as the key
+     * of the value to check.
+     * 
+     * @param string $key Name of key to check.
+     * 
+     * @return bool TRUE if the key is in the storage, FALSE otherwise. 
+     */
+    public function __isset($key)
+    {
+        return $this->exists($key);
+    }
+    
+    /**
+     * Deletes a value from the shared memory storage.
+     * 
+     * This is a magic method, thanks to which any property you attempt to unset
+     * the value of will be unset by the adapter, treating the property name as
+     * the key of the value to delete.
+     * 
+     * @param string $key Name of key to delete.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function __unset($key)
+    {
+        return $this->delete($key);
+    }
+    
+    /**
+     * Creates a new shared memory storage.
+     * 
+     * Estabilishes a separate persistent storage.
+     * 
+     * @param string $persistentId The ID for the storage. The storage will be
+     *     reused if it exists, or created if it doesn't exist. Data and locks
+     *     are namespaced by this ID.
+     */
+    abstract public function __construct($persistentId);
+    
+    /**
+     * Obtains a named lock.
+     * 
+     * @param string $key     Name of the key to obtain. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * @param double $timeout If the lock can't be immediatly obtained, the
+     *     script will block for at most the specified amount of seconds.
+     *     Setting this to 0 makes lock obtaining non blocking, and setting it
+     *     to NULL makes it block without a time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract public function lock($key, $timeout = null);
+    
+    /**
+     * Releases a named lock.
+     * 
+     * @param string $key Name of the key to release. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract public function unlock($key);
+    
+    /**
+     * Checks if a specified key is in the storage.
+     * 
+     * @param string $key Name of key to check.
+     * 
+     * @return bool TRUE if the key is in the storage, FALSE otherwise. 
+     */
+    abstract public function exists($key);
+    
+    /**
+     * Adds a value to the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, or fails if it does.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract public function add($key, $value, $ttl = 0);
+    
+    /**
+     * Sets a value in the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, overwrites it otherwise.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract public function set($key, $value, $ttl = 0);
+    
+    /**
+     * Gets a value from the shared memory storage.
+     * 
+     * Gets the current value, or throws an exception if it's not stored.
+     * 
+     * @param string $key Name of key to get the value of.
+     * 
+     * @return mixed The current value of the specified key.
+     */
+    abstract public function get($key);
+    
+    /**
+     * Deletes a value from the shared memory storage.
+     * 
+     * @param string $key Name of key to delete.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    abstract public function delete($key);
+    
+    /**
+     * Increases a value from the shared memory storage.
+     * 
+     * Increases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)+$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to increase.
+     * @param int    $step Value to increase the key by.
+     * 
+     * @return int The new value.
+     */
+    abstract public function inc($key, $step = 1);
+    
+    /**
+     * Decreases a value from the shared memory storage.
+     * 
+     * Decreases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)-$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to decrease.
+     * @param int    $step Value to decrease the key by.
+     * 
+     * @return int The new value.
+     */
+    abstract public function dec($key, $step = 1);
+
+    /**
+     * Sets a new value if a key has a certain value.
+     * 
+     * Sets a new value if a key has a certain value. This function only works
+     * when $old and $new are longs.
+     * 
+     * @param string $key Key of the value to compare and set.
+     * @param int    $old The value to compare the key against.
+     * @param int    $new The value to set the key to.
+     * 
+     * @return bool TRUE on success, FALSE on failure. 
+     */
+    abstract public function cas($key, $old, $new);
+    
+    /**
+     * Clears the persistent storage.
+     * 
+     * Clears the persistent storage, i.e. removes all keys. Locks are left
+     * intact.
+     * 
+     * @return void
+     */
+    abstract public function clear();
+    
+    /**
+     * Retrieve an external iterator
+     * 
+     * Returns an external iterator.
+     * 
+     * @param string|null $filter   A PCRE regular expression.
+     *     Only matching keys will be iterated over.
+     *     Setting this to NULL matches all keys of this instance.
+     * @param bool        $keysOnly Whether to return only the keys,
+     *     or return both the keys and values.
+     * 
+     * @return \Traversable An array with all matching keys as array keys,
+     *     and values as array values. If $keysOnly is TRUE, the array keys are
+     *     numeric, and the array values are key names.
+     */
+    abstract public function getIterator($filter = null, $keysOnly = false);
+}
+
+SHM::registerAdapter('\\' . __NAMESPACE__ . '\SHM\Adapter\Placebo');
+SHM::registerAdapter('\\' . __NAMESPACE__ . '\SHM\Adapter\Wincache');
+SHM::registerAdapter('\\' . __NAMESPACE__ . '\SHM\Adapter\APC');

PEAR2/Cache/SHM/Adapter/APC.php

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+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache\SHM\Adapter;
+
+/**
+ * Throws exceptions from this namespace, and extends from this class.
+ */
+use PEAR2\Cache\SHM;
+
+/**
+ * {@link APC::getIterator()} returns this object.
+ */
+use ArrayObject;
+
+/**
+ * Shared memory adapter for the APC extension.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+class APC extends SHM
+{
+    /**
+     * @var string ID of the current storage. 
+     */
+    protected $persistentId;
+    
+    /**
+     * List of persistent IDs.
+     * 
+     * A list of persistent IDs within the current request (as keys) with an int
+     * (as a value) specifying the number of instances in the current request.
+     * Used as an attempt to ensure implicit lock releases even on errors in the
+     * critical sections, since APC doesn't have an actual locking function.
+     * @var array 
+     */
+    protected static $requestInstances = array();
+    
+    /**
+     * @var array Array of lock names (as values) for each persistent ID (as
+     *     key) obtained during the current request.
+     */
+    protected static $locksBackup = array();
+
+    /**
+     * Creates a new shared memory storage.
+     * 
+     * Estabilishes a separate persistent storage.
+     * 
+     * @param string $persistentId The ID for the storage. The storage will be
+     *     reused if it exists, or created if it doesn't exist. Data and locks
+     *     are namespaced by this ID.
+     */
+    public function __construct($persistentId)
+    {
+        $this->persistentId = __CLASS__ . ' ' . $persistentId;
+        if (isset(static::$requestInstances[$this->persistentId])) {
+            static::$requestInstances[$this->persistentId]++;
+        } else {
+            static::$requestInstances[$this->persistentId] = 1;
+            static::$locksBackup[$this->persistentId] = array();
+        }
+        register_shutdown_function(
+            get_called_class() . '::releaseLocks',
+            $this->persistentId,
+            true
+        );
+    }
+    
+    /**
+     * Checks if the adapter meets its requirements.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function isMeetingRequirements()
+    {
+        return extension_loaded('apc')
+            && version_compare(phpversion('apc'), '3.0.13', '>=')
+            && ini_get('apc.enabled')
+            && ('cli' !== PHP_SAPI || ini_get('apc.enable_cli'));
+    }
+    
+    /**
+     * Releases all locks in a storage.
+     * 
+     * This function is not meant to be used directly. It is implicitly called
+     * by the the destructor and as a shutdown function when the request ends.
+     * One of these calls ends up releasing any unreleased locks obtained
+     * during the request. A lock is also implicitly released as soon as there
+     * are no objects left in the current request using the same persistent ID.
+     * 
+     * @param string $internalPersistentId The internal persistent ID, the locks
+     *     of which are being released.
+     * @param bool   $isAtShutdown         Whether the function was executed at
+     *     shutdown.
+     * 
+     * @return void
+     * @internal
+     */
+    public static function releaseLocks($internalPersistentId, $isAtShutdown)
+    {
+        $hasInstances = 0 !== static::$requestInstances[$internalPersistentId];
+        if ($isAtShutdown === $hasInstances) {
+            foreach (static::$locksBackup[$internalPersistentId] as $key) {
+                apc_delete($internalPersistentId . 'l ' . $key);
+            }
+        }
+    }
+    
+    /**
+     * Releases any locks obtained by this instance as soon as there are no more
+     * references to the object's persistent ID.
+     */
+    public function __destruct()
+    {
+        static::$requestInstances[$this->persistentId]--;
+        static::releaseLocks($this->persistentId, false);
+    }
+    
+    
+    /**
+     * Obtains a named lock.
+     * 
+     * @param string $key     Name of the key to obtain. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * @param double $timeout If the lock can't be immediatly obtained, the
+     *     script will block for at most the specified amount of seconds.
+     *     Setting this to 0 makes lock obtaining non blocking, and setting it
+     *     to NULL makes it block without a time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function lock($key, $timeout = null)
+    {
+        $lock = $this->persistentId . 'l ' . $key;
+        $hasTimeout = $timeout !== null;
+        $start = microtime(true);
+        while (!apc_add($lock, 1)) {
+            if ($hasTimeout && (microtime(true) - $start) > $timeout) {
+                return false;
+            }
+        }
+        static::$locksBackup[$this->persistentId] = $key;
+        return true;
+    }
+    
+    /**
+     * Releases a named lock.
+     * 
+     * @param string $key Name of the key to release. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function unlock($key)
+    {
+        $lock = $this->persistentId . 'l ' . $key;
+        $success = apc_delete($lock);
+        if ($success) {
+            unset(static::$locksBackup[$this->persistentId][array_search(
+                $key,
+                static::$locksBackup[$this->persistentId],
+                true
+            )]);
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Checks if a specified key is in the storage.
+     * 
+     * @param string $key Name of key to check.
+     * 
+     * @return bool TRUE if the key is in the storage, FALSE otherwise. 
+     */
+    public function exists($key)
+    {
+        return apc_exists($this->persistentId . 'd ' . $key);
+    }
+    
+    /**
+     * Adds a value to the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, or fails if it does.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function add($key, $value, $ttl = 0)
+    {
+        return apc_add($this->persistentId . 'd ' . $key, $value, $ttl);
+    }
+    
+    /**
+     * Sets a value in the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, overwrites it otherwise.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function set($key, $value, $ttl = 0)
+    {
+        return apc_store($this->persistentId . 'd ' . $key, $value, $ttl);
+    }
+    
+    /**
+     * Gets a value from the shared memory storage.
+     * 
+     * Gets the current value, or throws an exception if it's not stored.
+     * 
+     * @param string $key Name of key to get the value of.
+     * 
+     * @return mixed The current value of the specified key.
+     */
+    public function get($key)
+    {
+        $fullKey = $this->persistentId . 'd ' . $key;
+        if (apc_exists($fullKey)) {
+            $value = apc_fetch($fullKey, $success);
+            if (!$success) {
+                throw new SHM\InvalidArgumentException(
+                    'Unable to fetch key. ' .
+                    'Key has either just now expired or (if no TTL was set) ' .
+                    'is possibly in a race condition with another request.',
+                    100
+                );
+            }
+            return $value;
+        }
+        throw new SHM\InvalidArgumentException('No such key in cache', 101);
+    }
+    
+    /**
+     * Deletes a value from the shared memory storage.
+     * 
+     * @param string $key Name of key to delete.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function delete($key)
+    {
+        return apc_delete($this->persistentId . 'd ' . $key);
+    }
+    
+    /**
+     * Increases a value from the shared memory storage.
+     * 
+     * Increases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)+$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to increase.
+     * @param int    $step Value to increase the key by.
+     * 
+     * @return int The new value.
+     */
+    public function inc($key, $step = 1)
+    {
+        $newValue = apc_inc(
+            $this->persistentId . 'd ' . $key,
+            (int) $step,
+            $success
+        );
+        if (!$success) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to increase the value. Are you sure the value is int?',
+                102
+            );
+        }
+        return $newValue;
+    }
+    
+    /**
+     * Decreases a value from the shared memory storage.
+     * 
+     * Decreases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)-$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to decrease.
+     * @param int    $step Value to decrease the key by.
+     * 
+     * @return int The new value.
+     */
+    public function dec($key, $step = 1)
+    {
+        $newValue = apc_dec(
+            $this->persistentId . 'd ' . $key,
+            (int) $step,
+            $success
+        );
+        if (!$success) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to decrease the value. Are you sure the value is int?',
+                103
+            );
+        }
+        return $newValue;
+    }
+
+    /**
+     * Sets a new value if a key has a certain value.
+     * 
+     * Sets a new value if a key has a certain value. This function only works
+     * when $old and $new are longs.
+     * 
+     * @param string $key Key of the value to compare and set.
+     * @param int    $old The value to compare the key against.
+     * @param int    $new The value to set the key to.
+     * 
+     * @return bool TRUE on success, FALSE on failure. 
+     */
+    public function cas($key, $old, $new)
+    {
+        return apc_cas($this->persistentId . 'd ' . $key, $old, $new);
+    }
+    
+    /**
+     * Clears the persistent storage.
+     * 
+     * Clears the persistent storage, i.e. removes all keys. Locks are left
+     * intact.
+     * 
+     * @return void
+     */
+    public function clear()
+    {
+        foreach (new APCIterator(
+            'user',
+            '/^' . preg_quote($this->persistentId, '/') . 'd /',
+            APC_ITER_KEY,
+            100,
+            APC_LIST_ACTIVE
+        ) as $key) {
+            apc_delete($key);
+        }
+    }
+    
+    /**
+     * Retrieve an external iterator
+     * 
+     * Returns an external iterator.
+     * 
+     * @param string|null $filter   A PCRE regular expression.
+     *     Only matching keys will be iterated over.
+     *     Setting this to NULL matches all keys of this instance.
+     * @param bool        $keysOnly Whether to return only the keys,
+     *     or return both the keys and values.
+     * 
+     * @return ArrayObject An array with all matching keys as array keys,
+     *     and values as array values. If $keysOnly is TRUE, the array keys are
+     *     numeric, and the array values are key names.
+     */
+    public function getIterator($filter = null, $keysOnly = false)
+    {
+        $result = array();
+        foreach (new APCIterator(
+            'user',
+            '/^' . preg_quote($this->persistentId, '/') . 'd /',
+            APC_ITER_KEY,
+            100,
+            APC_LIST_ACTIVE
+        ) as $key) {
+            $localKey = strstr($key, $this->persistentId . 'd ');
+            if (null === $filter || preg_match($filter, $localKey)) {
+                if ($keysOnly) {
+                    $result[] = $localKey;
+                } else {
+                    $result[$localKey] = apc_fetch($key);
+                }
+            }
+        }
+        return new ArrayObject($result);
+    }
+}

PEAR2/Cache/SHM/Adapter/Placebo.php

@@ -0,0 +1,358 @@
+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache\SHM\Adapter;
+
+/**
+ * Throws exceptions from this namespace, and extends from this class.
+ */
+use PEAR2\Cache\SHM;
+
+/**
+ * {@link Placebo::getIterator()} returns this object.
+ */
+use ArrayObject;
+
+/**
+ * This adapter is not truly persistent. It is intended to emulate persistency
+ * in non persistent environments, so that upper level applications can use a
+ * single code path for persistent and non persistent code.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+class Placebo extends SHM
+{
+    /**
+     * @var string ID of the current storage. 
+     */
+    protected $persistentId;
+    
+    /**
+     * List of persistent IDs.
+     * 
+     * A list of persistent IDs within the current request (as keys) with an int
+     * (as a value) specifying the number of instances in the current request.
+     * Used as an attempt to ensure implicit lock releases on destruction.
+     * @var array 
+     */
+    protected static $requestInstances = array();
+    
+    /**
+     * @var array Array of lock names (as values) for each persistent ID (as
+     *     key) obtained during the current request.
+     */
+    protected static $locksBackup = array();
+    
+    /**
+     * The data storage.
+     * 
+     * Each persistent ID is a key, and the value is an array.
+     * Each such array has data keys as its keys, and an array as a value.
+     * Each such array has as its elements the value, the timeout and the time
+     * the data was set.
+     * @var array 
+     */
+    protected static $data = array();
+    
+    /**
+     * Creates a new shared memory storage.
+     * 
+     * Estabilishes a separate persistent storage.
+     * 
+     * @param string $persistentId The ID for the storage. The storage will be
+     *     reused if it exists, or created if it doesn't exist. Data and locks
+     *     are namespaced by this ID.
+     */
+    public function __construct($persistentId)
+    {
+        if (isset(static::$requestInstances[$persistentId])) {
+            ++static::$requestInstances[$persistentId];
+        } else {
+            static::$requestInstances[$persistentId] = 1;
+            static::$locksBackup[$persistentId] = array();
+            static::$data[$persistentId] = array();
+        }
+        $this->persistentId = $persistentId;
+    }
+    
+    /**
+     * Releases any unreleased locks. 
+     */
+    public function __destruct()
+    {
+        if (0 === --static::$requestInstances[$this->persistentId]) {
+            static::$locksBackup[$this->persistentId] = array();
+        }
+    }
+    
+    /**
+     * Checks if the adapter meets its requirements.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function isMeetingRequirements()
+    {
+        return 'cli' === PHP_SAPI;
+    }
+    
+    /**
+     * Pretends to obtain a lock.
+     * 
+     * @param string $key     Ignored.
+     * @param double $timeout Ignored.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function lock($key, $timeout = null)
+    {
+        $key = (string) $key;
+        if (in_array($key, static::$locksBackup[$this->persistentId], true)) {
+            return false;
+        }
+        static::$locksBackup[$this->persistentId][] = $key;
+        return true;
+    }
+    
+    /**
+     * Pretends to release a lock.
+     * 
+     * @param string $key Ignored
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function unlock($key)
+    {
+        $key = (string) $key;
+        if (!in_array($key, static::$locksBackup[$this->persistentId], true)) {
+            return false;
+        }
+        unset(static::$locksBackup[$this->persistentId][array_search(
+            $key,
+            static::$locksBackup[$this->persistentId],
+            true
+        )]);
+        return true;
+    }
+    
+    /**
+     * Checks if a specified key is in the storage.
+     * 
+     * @param string $key Name of key to check.
+     * 
+     * @return bool TRUE if the key is in the storage, FALSE otherwise. 
+     */
+    public function exists($key)
+    {
+        return array_key_exists($key, static::$data[$this->persistentId]);
+    }
+    
+    /**
+     * Adds a value to the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, or fails if it does.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Because "true" adapters purge the cache at the next
+     *     request, this setting is ignored.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function add($key, $value, $ttl = 0)
+    {
+        if ($this->exists($key)) {
+            return false;
+        }
+        return $this->set($key, $value, $ttl);
+    }
+    
+    /**
+     * Sets a value in the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, overwrites it otherwise.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Because "true" adapters purge the cache at the next
+     *     request, this setting is ignored.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function set($key, $value, $ttl = 0)
+    {
+        static::$data[$this->persistentId][$key] = $value;
+        return true;
+    }
+    
+    /**
+     * Gets a value from the shared memory storage.
+     * 
+     * Gets the current value, or throws an exception if it's not stored.
+     * 
+     * @param string $key Name of key to get the value of.
+     * 
+     * @return mixed The current value of the specified key.
+     */
+    public function get($key)
+    {
+        if ($this->exists($key)) {
+            return static::$data[$this->persistentId][$key];
+        }
+        throw new SHM\InvalidArgumentException(
+            'Unable to fetch key. No such key.',
+            200
+        );
+    }
+    
+    /**
+     * Deletes a value from the shared memory storage.
+     * 
+     * @param string $key Name of key to delete.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function delete($key)
+    {
+        if ($this->exists($key)) {
+            unset(static::$data[$this->persistentId][$key]);
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Increases a value from the shared memory storage.
+     * 
+     * Increases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)+$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to increase.
+     * @param int    $step Value to increase the key by.
+     * 
+     * @return int The new value.
+     */
+    public function inc($key, $step = 1)
+    {
+        if (!$this->exists($key) || !is_int($value = $this->get($key))
+            || !$this->set($key, $value + (int) $step)
+        ) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to increase the value. Are you sure the value is int?',
+                201
+            );
+        }
+        return $this->get($key);
+    }
+    
+    /**
+     * Decreases a value from the shared memory storage.
+     * 
+     * Decreases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)-$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to decrease.
+     * @param int    $step Value to decrease the key by.
+     * 
+     * @return int The new value.
+     */
+    public function dec($key, $step = 1)
+    {
+        if (!$this->exists($key) || !is_int($value = $this->get($key))
+            || !$this->set($key, $value - (int) $step)
+        ) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to increase the value. Are you sure the value is int?',
+                202
+            );
+        }
+        return $this->get($key);
+    }
+
+    /**
+     * Sets a new value if a key has a certain value.
+     * 
+     * Sets a new value if a key has a certain value. This function only works
+     * when $old and $new are longs.
+     * 
+     * @param string $key Key of the value to compare and set.
+     * @param int    $old The value to compare the key against.
+     * @param int    $new The value to set the key to.
+     * 
+     * @return bool TRUE on success, FALSE on failure. 
+     */
+    public function cas($key, $old, $new)
+    {
+        return $this->exists($key) && ($this->get($key) === $old)
+            && is_int($new) && $this->set($key, $new);
+    }
+    
+    /**
+     * Clears the persistent storage.
+     * 
+     * Clears the persistent storage, i.e. removes all keys. Locks are left
+     * intact.
+     * 
+     * @return void
+     */
+    public function clear()
+    {
+        static::$data[$this->persistentId] = array();
+    }
+    
+    /**
+     * Retrieve an external iterator
+     * 
+     * Returns an external iterator.
+     * 
+     * @param string|null $filter   A PCRE regular expression.
+     *     Only matching keys will be iterated over.
+     *     Setting this to NULL matches all keys of this instance.
+     * @param bool        $keysOnly Whether to return only the keys,
+     *     or return both the keys and values.
+     * 
+     * @return ArrayObject An array with all matching keys as array keys,
+     *     and values as array values. If $keysOnly is TRUE, the array keys are
+     *     numeric, and the array values are key names.
+     */
+    public function getIterator($filter = null, $keysOnly = false)
+    {
+        if (null === $filter) {
+            return new ArrayObject(
+                $keysOnly
+                ? array_keys(static::$data[$this->persistentId])
+                : static::$data[$this->persistentId]
+            );
+        }
+        
+        $result = array();
+        foreach (static::$data[$this->persistentId] as $key => $value) {
+            if (preg_match($filter, $key)) {
+                $result[$key] = $value;
+            }
+        }
+        return new ArrayObject($keysOnly ? array_keys($result) : $result);
+    }
+}

PEAR2/Cache/SHM/Adapter/Wincache.php

@@ -0,0 +1,383 @@
+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache\SHM\Adapter;
+
+/**
+ * Throws exceptions from this namespace, and extends from this class.
+ */
+use PEAR2\Cache\SHM;
+
+/**
+ * {@link Wincache::getIterator()} returns this object.
+ */
+use ArrayObject;
+
+/**
+ * Shared memory adapter for the WinCache extension.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+class Wincache extends SHM
+{
+    /**
+     * @var string ID of the current storage. 
+     */
+    protected $persistentId;
+    
+    /**
+     * List of persistent IDs.
+     * 
+     * A list of persistent IDs within the current request (as keys) with an int
+     * (as a value) specifying the number of instances in the current request.
+     * Used as an attempt to ensure implicit lock releases on destruction.
+     * @var array 
+     */
+    protected static $requestInstances = array();
+    
+    /**
+     * @var array Array of lock names obtained during the current request.
+     */
+    protected static $locksBackup = array();
+    
+    /**
+     * Creates a new shared memory storage.
+     * 
+     * Estabilishes a separate persistent storage.
+     * 
+     * @param string $persistentId The ID for the storage. The storage will be
+     *     reused if it exists, or created if it doesn't exist. Data and locks
+     *     are namespaced by this ID.
+     */
+    public function __construct($persistentId)
+    {
+        $this->persistentId
+            = static::encodeLockName(__CLASS__ . ' ' . $persistentId) . ' ';
+        if (isset(static::$requestInstances[$this->persistentId])) {
+            static::$requestInstances[$this->persistentId]++;
+        } else {
+            static::$requestInstances[$this->persistentId] = 1;
+            static::$locksBackup[$this->persistentId] = array();
+        }
+    }
+    
+    /**
+     * Encodes a lock name
+     * 
+     * Encodes a lock name, so that it can be properly obtained. The scheme used
+     * is a subset of URL encoding, with only the "%" and "\" characters being
+     * escaped. The encoding itself is necessary, since lock names can't contain
+     * the "\" character.
+     * 
+     * @param string $name The lock name to encode.
+     * 
+     * @return string The encoded name.
+     * @link http://msdn.microsoft.com/en-us/library/ms682411(VS.85).aspx
+     */
+    protected static function encodeLockName($name)
+    {
+        return str_replace(array('%', '\\'), array('%25', '%5C'), $name);
+    }
+    
+    /**
+     * Checks if the adapter meets its requirements.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function isMeetingRequirements()
+    {
+        return extension_loaded('wincache')
+            && version_compare(phpversion('wincache'), '1.1.0', '>=')
+            && ini_get('wincache.ucenabled')
+            && ('cli' !== PHP_SAPI || ini_get('wincache.enablecli'));
+    }
+    
+    /**
+     * Releases any locks obtained by this instance as soon as there are no more
+     * references to the object's persistent ID.
+     */
+    public function __destruct()
+    {
+        if (0 === --static::$requestInstances[$this->persistentId]) {
+            foreach (static::$locksBackup[$this->persistentId] as $key) {
+                wincache_unlock(
+                    $this->persistentId . static::encodeLockName($key)
+                );
+            }
+        }
+    }
+
+    
+    /**
+     * Obtains a named lock.
+     * 
+     * @param string $key     Name of the key to obtain. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * @param double $timeout Ignored with WinCache. Script will always block if
+     *     the lock can't be immediatly obtained.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function lock($key, $timeout = null)
+    {
+        $result = wincache_lock(
+            $this->persistentId . static::encodeLockName($key)
+        );
+        if ($result) {
+            static::$locksBackup[$this->persistentId] = $key;
+        }
+        return $result;
+    }
+    
+    /**
+     * Releases a named lock.
+     * 
+     * @param string $key Name of the key to release. Note that $key may
+     *     repeat for each distinct $persistentId.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function unlock($key)
+    {
+        $result = wincache_unlock(
+            $this->persistentId . static::encodeLockName($key)
+        );
+        if ($result) {
+            unset(static::$locksBackup[$this->persistentId][array_search(
+                $key,
+                static::$locksBackup[$this->persistentId],
+                true
+            )]);
+        }
+        return $result;
+    }
+    
+    /**
+     * Checks if a specified key is in the storage.
+     * 
+     * @param string $key Name of key to check.
+     * 
+     * @return bool TRUE if the key is in the storage, FALSE otherwise. 
+     */
+    public function exists($key)
+    {
+        return wincache_ucache_exists($this->persistentId . $key);
+    }
+    
+    /**
+     * Adds a value to the shared memory storage.
+     * 
+     * Sets a value to the storage if it doesn't exist, or fails if it does.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function add($key, $value, $ttl = 0)
+    {
+        return wincache_ucache_add($this->persistentId . $key, $value, $ttl);
+    }
+    
+    /**
+     * Sets a value in the shared memory storage.
+     * 
+     * Adds a value to the storage if it doesn't exist, overwrites it otherwise.
+     * 
+     * @param string $key   Name of key to associate the value with.
+     * @param mixed  $value Value for the specified key.
+     * @param int    $ttl   Seconds to store the value. If set to 0 indicates no
+     *     time limit.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function set($key, $value, $ttl = 0)
+    {
+        return wincache_ucache_set($this->persistentId . $key, $value, $ttl);
+    }
+    
+    /**
+     * Gets a value from the shared memory storage.
+     * 
+     * Gets the current value, or throws an exception if it's not stored.
+     * 
+     * @param string $key Name of key to get the value of.
+     * 
+     * @return mixed The current value of the specified key.
+     */
+    public function get($key)
+    {
+        $value = wincache_ucache_get($this->persistentId . $key, $success);
+        if (!$success) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to fetch key. No such key, or key has expired.',
+                300
+            );
+        }
+        return $value;
+    }
+    
+    /**
+     * Deletes a value from the shared memory storage.
+     * 
+     * @param string $key Name of key to delete.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function delete($key)
+    {
+        return wincache_ucache_delete($this->persistentId . $key);
+    }
+    
+    /**
+     * Increases a value from the shared memory storage.
+     * 
+     * Increases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)+$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to increase.
+     * @param int    $step Value to increase the key by.
+     * 
+     * @return int The new value.
+     */
+    public function inc($key, $step = 1)
+    {
+        $newValue = wincache_ucache_inc(
+            $this->persistentId . $key,
+            (int) $step,
+            $success
+        );
+        if (!$success) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to increase the value. Are you sure the value is int?',
+                301
+            );
+        }
+        return $newValue;
+    }
+    
+    /**
+     * Decreases a value from the shared memory storage.
+     * 
+     * Decreases a value from the shared memory storage. Unlike a plain
+     * set($key, get($key)-$step) combination, this function also implicitly
+     * performs locking.
+     * 
+     * @param string $key  Name of key to decrease.
+     * @param int    $step Value to decrease the key by.
+     * 
+     * @return int The new value.
+     */
+    public function dec($key, $step = 1)
+    {
+        $newValue = wincache_ucache_dec(
+            $this->persistentId . $key,
+            (int) $step,
+            $success
+        );
+        if (!$success) {
+            throw new SHM\InvalidArgumentException(
+                'Unable to decrease the value. Are you sure the value is int?',
+                302
+            );
+        }
+        return $newValue;
+    }
+
+    /**
+     * Sets a new value if a key has a certain value.
+     * 
+     * Sets a new value if a key has a certain value. This function only works
+     * when $old and $new are longs.
+     * 
+     * @param string $key Key of the value to compare and set.
+     * @param int    $old The value to compare the key against.
+     * @param int    $new The value to set the key to.
+     * 
+     * @return bool TRUE on success, FALSE on failure. 
+     */
+    public function cas($key, $old, $new)
+    {
+        return wincache_ucache_cas($this->persistentId . $key, $old, $new);
+    }
+    
+    /**
+     * Clears the persistent storage.
+     * 
+     * Clears the persistent storage, i.e. removes all keys. Locks are left
+     * intact.
+     * 
+     * @return void
+     */
+    public function clear()
+    {
+        $info = wincache_ucache_info();
+        foreach ($info['ucache_entries'] as $entry) {
+            if (!$entry['is_session']
+                && 0 === strpos($entry['key_name'], $this->persistentId)
+            ) {
+                wincache_ucache_delete($entry['key_name']);
+            }
+        }
+    }
+    
+    /**
+     * Retrieve an external iterator
+     * 
+     * Returns an external iterator.
+     * 
+     * @param string|null $filter   A PCRE regular expression.
+     *     Only matching keys will be iterated over.
+     *     Setting this to NULL matches all keys of this instance.
+     * @param bool        $keysOnly Whether to return only the keys,
+     *     or return both the keys and values.
+     * 
+     * @return ArrayObject An array with all matching keys as array keys,
+     *     and values as array values. If $keysOnly is TRUE, the array keys are
+     *     numeric, and the array values are key names.
+     */
+    public function getIterator($filter = null, $keysOnly = false)
+    {
+        $info = wincache_ucache_info();
+        $result = array();
+        foreach ($info['ucache_entries'] as $entry) {
+            if (!$entry['is_session']
+                && 0 === strpos($entry['key_name'], $this->persistentId)
+            ) {
+                $localKey = strstr($entry['key_name'], $this->persistentId);
+                if (null === $filter || preg_match($filter, $localKey)) {
+                    if ($keysOnly) {
+                        $result[] = $localKey;
+                    } else {
+                        $result[$localKey] = apc_fetch($localKey);
+                    }
+                }
+            }
+        }
+        return new ArrayObject($result);
+    }
+}

PEAR2/Cache/SHM/Exception.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache\SHM;
+
+/**
+ * Generic exception class of this package.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+interface Exception
+{
+}

PEAR2/Cache/SHM/InvalidArgumentException.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * ~~summary~~
+ * 
+ * ~~description~~
+ * 
+ * PHP version 5
+ * 
+ * @category  Caching
+ * @package   PEAR2_Cache_SHM
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   0.1.3
+ * @link      http://pear2.php.net/PEAR2_Cache_SHM
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Cache\SHM;
+
+/**
+ * Exception thrown when there's something wrong with an argument.
+ * 
+ * @category Caching
+ * @package  PEAR2_Cache_SHM
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Cache_SHM
+ */
+class InvalidArgumentException extends \InvalidArgumentException
+    implements Exception
+{
+}

PEAR2/Console/Color.php

@@ -0,0 +1,369 @@
+<?php
+
+/**
+ * Main class for Console_Color
+ *
+ * PHP version 5.3
+ *
+ * @category Console
+ * @package  Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @author   Ivo Nascimento <ivo@o8o.com.br>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version  1.0.0
+ * @link     http://pear.php.net/package/Console_Color
+ */
+namespace PEAR2\Console;
+
+use PEAR2\Console\Color\Backgrounds;
+use PEAR2\Console\Color\Flags;
+use PEAR2\Console\Color\Fonts;
+use PEAR2\Console\Color\Styles;
+use PEAR2\Console\Color\UnexpectedValueException;
+use ReflectionClass;
+
+/**
+ * Main class for Console_Color.
+ *
+ * @category Console
+ * @package  Console_Color
+ * @author   Ivo Nascimento <ivo@o8o.com.br>
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+class Color
+{
+    /**
+     * @var array List of valid font colors.
+     *     Filled by {@link fillValidators()}.
+     */
+    protected static $validFonts = array();
+
+    /**
+     * @var array List of valid background colors.
+     *     Filled by {@link fillValidators()}.
+     */
+    protected static $validBackgorunds = array();
+
+    /**
+     * @var string Name of a class that is used to resolve flags to codes.
+     */
+    protected static $flagsResolver = '';
+
+    /**
+     * @var string Name of a class that is used to resolve styles to codes.
+     */
+    protected static $stylesResolver = '';
+
+    /**
+     * @var int Flags to set.
+     */
+    protected $flags = 0;
+
+    /**
+     * @var int|null The code for the currently specified font color.
+     */
+    protected $font = null;
+
+    /**
+     * @var int|null The code for the currently specified background color.
+     */
+    protected $backgorund = null;
+
+    /**
+     * @var bool[] Array with the status of each style.
+     */
+    protected $styles = array();
+
+    /**
+     * @var string|null The string to write to console to get the specified
+     *     styling. NULL when the string needs to be regenerated.
+     */
+    protected $sequence = null;
+
+    /**
+     * Fills the list of valid fonts and backgrounds.
+     * 
+     * Classes extending this one that wish to add additional valid colors,
+     * flags or styles should call this method in their own constructor BEFORE
+     * calling the parent constructor.
+     * 
+     * @param string $fonts       Name of class, the constants of which are
+     *     valid font colors.
+     * @param string $backgrounds Name of class, the constants of which are
+     *     valid background colors.
+     * @param string $flags       Name of class that resolves flags to codes.
+     *     Must inheirt from {@link Flags}. Constants of this
+     *     class are considered the valid flags, and the coresponding codes must
+     *     be overriden at the static $flagCodes property.
+     * @param string $styles      Name of class that resolves styles to codes.
+     *     Must inherit from {@link Styles}. Constants of this class are
+     *     considered the valid styles, and the corresponding off/on codes must
+     *     be overriden at the static $styleCodes property.
+     * 
+     * @return void
+     */
+    protected static function fillVlidators(
+        $fonts,
+        $backgrounds,
+        $flags,
+        $styles
+    ) {
+        if (empty(static::$validFonts)) {
+            $fonts = new ReflectionClass($fonts);
+            static::$validFonts = array_values(
+                array_unique($fonts->getConstants(), SORT_REGULAR)
+            );
+        }
+
+        if (empty(static::$validBackgorunds)) {
+            $bgs = new ReflectionClass($backgrounds);
+            static::$validBackgorunds = array_values(
+                array_unique($bgs->getConstants(), SORT_REGULAR)
+            );
+        }
+
+        if ('' === static::$flagsResolver) {
+            $base = __CLASS__ . '\Flags';
+            if ($base === $flags || is_subclass_of($flags, $base)) {
+                static::$flagsResolver = $flags;
+            }
+        }
+
+        if ('' === static::$stylesResolver) {
+            $base = __CLASS__ . '\Styles';
+            if ($base === $styles || is_subclass_of($styles, $base)) {
+                static::$stylesResolver = $styles;
+            }
+        }
+    }
+
+    /**
+     * Creates a new color.
+     * 
+     * Note that leaving all arguments with their default values (and not
+     * applying styles) would result in a sequence that resets all settings to
+     * the console's defaults.
+     * 
+     * @param int|null $font       Initial font color.
+     * @param int|null $background Initial backgorund color.
+     * @param int      $flags      Initial flags.
+     * 
+     * @see setFlags()
+     * @see setStyles()
+     * @see __toString()
+     */
+    public function __construct(
+        $font = Fonts::KEEP,
+        $background = Backgrounds::KEEP,
+        $flags = Flags::NONE
+    ) {
+        static::fillVlidators(
+            __CLASS__ . '\Fonts',
+            __CLASS__ . '\Backgrounds',
+            __CLASS__ . '\Flags',
+            __CLASS__ . '\Styles'
+        );
+        $this->setFont($font);
+        $this->setBackground($background);
+        $this->setFlags($flags);
+    }
+
+    /**
+     * Gets the font color.
+     * 
+     * @return int|null $color The font color.
+     */
+    public function getFont()
+    {
+        return $this->font;
+    }
+
+    /**
+     * Sets the font color.
+     * 
+     * @param int|null $color The font color.
+     * 
+     * @return $this
+     */
+    public function setFont($color)
+    {
+        if (!in_array($color, static::$validFonts, true)) {
+            throw new UnexpectedValueException(
+                'Invalid font supplied.',
+                UnexpectedValueException::CODE_FONT
+            );
+        }
+        $this->font = $color;
+
+        $this->sequence = null;
+        return $this;
+    }
+
+    /**
+     * Gets the background color.
+     * 
+     * @return int|null $color The background color.
+     */
+    public function getBackground()
+    {
+        return $this->backgorund;
+    }
+
+    /**
+     * Sets the background color.
+     * 
+     * @param int|null $color The background color.
+     * 
+     * @return $this
+     */
+    public function setBackground($color)
+    {
+        if (!in_array($color, static::$validBackgorunds, true)) {
+            throw new UnexpectedValueException(
+                'Invalid background supplied.',
+                UnexpectedValueException::CODE_BACKGROUND
+            );
+        }
+        $this->backgorund = $color;
+
+        $this->sequence = null;
+        return $this;
+    }
+
+    /**
+     * Gets the flags.
+     * 
+     * @return int The currently set flags.
+     */
+    public function getFlags()
+    {
+        return $this->flags;
+    }
+
+    /**
+     * Sets the flags.
+     * 
+     * Sets the flags to apply in the sequence. Note that flags are applied
+     * before all other settings, in ascending order of the constant values.
+     * 
+     * @param int $flags The new flags to set. Unknown flags will be ignored
+     *     when forming the sequence, but will be visible with
+     *     {@link getFlags()} non the less.
+     * 
+     * @return $this
+     */
+    public function setFlags($flags)
+    {
+        $this->flags = (int)$flags;
+
+        $this->sequence = null;
+        return $this;
+    }
+
+    /**
+     * Gets styles.
+     * 
+     * @param int|null $style A single style to get the status of,
+     *     or {@link Styles::ALL} to get all styles in an array.
+     * 
+     * @return bool|null|bool[] A single style status, or
+     *     an array of status if $style is {@link Styles::ALL}.
+     */
+    public function getStyles($style = Styles::ALL)
+    {
+        if (Styles::ALL === $style) {
+            return $this->styles;
+        }
+        return isset($this->styles[$style]) ? $this->styles[$style] : null;
+    }
+
+    /**
+     * Sets styles.
+     * 
+     * Sets styles matched to a specified state.
+     * 
+     * @param int|null  $styles Bitmask of styles to set. You can also use the
+     *     constant {@link Styles::ALL} (only) to set all known styles.
+     *     Unknown styles will be ignored.
+     * @param bool|null $state  The state to set the matched styles in.
+     *     TRUE to enable them,
+     *     FLASE to disable them,
+     *     NULL to remove the setting for them (in effect using whatever the
+     *     console had before the sequence was applied).
+     * 
+     * @return $this
+     */
+    public function setStyles($styles, $state)
+    {
+        $matchingStyles = call_user_func(
+            array(static::$stylesResolver, 'match'),
+            $styles
+        );
+        if (null === $state) {
+            foreach ($matchingStyles as $style) {
+                unset($this->styles[$style]);
+            }
+        } else {
+            $state = (bool)$state;
+            foreach ($matchingStyles as $style) {
+                $this->styles[$style] = $state;
+            }
+            ksort($this->styles);
+        }
+
+        $this->sequence = null;
+        return $this;
+    }
+
+    /**
+     * Get the console escaping sequence.
+     * 
+     * This is a magic PHP method that will be called when you use the object in
+     * a string context or otherwise explicitly cast it to a string.
+     * 
+     * It generates the escape sequence and returns it.
+     * For the sake of performance, the escape sequence is cached, and is only
+     * regenerated when a setter has been previously called.
+     * 
+     * @return string The string to write to console to get the specified
+     *     styling.
+     */
+    public function __toString()
+    {
+        if (null === $this->sequence) {
+            $seq = "\033[";
+
+            $flags = implode(
+                ';',
+                call_user_func(
+                    array(static::$flagsResolver, 'getCodes'),
+                    $this->flags
+                )
+            );
+            if ('' !== $flags) {
+                $seq .= $flags . ';';
+            }
+
+            if (Fonts::KEEP !== $this->font) {
+                $seq .= "{$this->font};";
+            }
+            if (Backgrounds::KEEP !== $this->backgorund) {
+                $seq .= "{$this->backgorund};";
+            }
+
+            foreach ($this->styles as $style => $state) {
+                $seq .= call_user_func(
+                    array(static::$stylesResolver, 'getCode'),
+                    $style,
+                    $state
+                ) . ';';
+            }
+
+            $this->sequence = rtrim($seq, ';') . 'm';
+        }
+
+        return $this->sequence;
+    }
+}

PEAR2/Console/Color/Backgrounds.php

@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * Backgrounds class for PEAR2_Console_Color.
+ * 
+ * PHP version 5.3
+ *
+ * @category  Console
+ * @package   PEAR2_Console_Color
+ * @author    Ivo Nascimento <ivo@o8o.com.br>
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0
+ * @link      http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+/**
+ * This class has the possibles values to a Background Color.
+ *
+ * @category  Console
+ * @package   PEAR2_Console_Color
+ * @author    Ivo Nascimento <ivo@o8o.com.br>
+ * @copyright 2011 Ivo Nascimento
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link      http://pear2.php.net/PEAR2_Console_Color
+ */
+abstract class Backgrounds
+{
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to specify that
+     * the background color already in effect should be kept.
+     */
+    const KEEP    = null;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to black/grey (implmementation defined).
+     */
+    const BLACK   = 40;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to black/grey (implementation defined).
+     */
+    const GREY    = 40;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to maroon/red (implementation defined).
+     */
+    const MAROON  = 41;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to maroon/red (implementation defined).
+     */
+    const RED     = 41;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to green/lime (implementation defined).
+     */
+    const GREEN   = 42;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to green/lime (implementation defined).
+     */
+    const LIME    = 42;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to brown/yellow (implementation defined).
+     */
+    const BROWN   = 43;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to brown/yellow (implementation defined).
+     */
+    const YELLOW  = 43;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to navy/blue (implementation defined).
+     */
+    const NAVY    = 44;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to navy/blue (implementation defined).
+     */
+    const BLUE    = 44;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to purple/magenta (implementation defined).
+     */
+    const PURPLE  = 45;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to purple/magenta (implementation defined).
+     */
+    const MAGENTA = 45;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to teal/cyan (implementation defined).
+     */
+    const TEAL    = 46;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to teal/cyan (implementation defined).
+     */
+    const CYAN    = 46;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to silver/white (implementation defined).
+     */
+    const SILVER  = 47;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to silver/white (implementation defined).
+     */
+    const WHITE   = 47;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setBackground()} to set the
+     * background color to whatever the default one is.
+     */
+    const RESET   = 49;
+}

PEAR2/Console/Color/Exception.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Exception class for PEAR2_Console_Color.
+ * 
+ * PHP version 5.3
+ *
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version  1.0.0
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+/**
+ * Exception class for PEAR2_Console_Color.
+ *
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+interface Exception
+{
+}

PEAR2/Console/Color/Flags.php

@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * Flags class for PEAR2_Console_Color
+ * Mappping the names of Font Style to your values.
+ * 
+ * PHP version 5.3
+ *
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version  1.0.0
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+use ReflectionClass;
+
+/**
+ * This class has the possibles flags to a color setting.
+ * 
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+abstract class Flags
+{
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFlags()} to specify that no
+     * flags should be applied.
+     */
+    const NONE    = 0;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFlags()} as part of a bitmask.
+     * If specified, resets all color and style information before applying
+     * everything else.
+     */
+    const RESET   = 1;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFlags()} as part of a bitmask.
+     * If specified, inverses the font and background colors, before letting
+     * the remaining settings further modify things.
+     * If specified together with {@link self::RESET}, takes effect AFTER the
+     * reset.
+     */
+    const INVERSE = 2;
+
+    /**
+     * @var int[] Array with the flag as a key, and the corresponding code as a
+     *     value.
+     */
+    protected static $flagCodes = array(
+        self::RESET   => 0,
+        self::INVERSE => 7
+    );
+
+    /**
+     * Gets the codes for a flag set.
+     * 
+     * @param int $flags The flags to get the codes for.
+     * 
+     * @return int[] The codes for the flags specified, in ascending order,
+     *     based on the flag constants' values.
+     */
+    final public static function getCodes($flags)
+    {
+        if (self::NONE === $flags) {
+            return array();
+        }
+
+        $result = array();
+        $flagsClass = new ReflectionClass(get_called_class());
+        $validFlags = array_values(
+            array_unique($flagsClass->getConstants(), SORT_NUMERIC)
+        );
+        foreach ($validFlags as $flag) {
+            if ($flags & $flag) {
+                $result[] = static::$flagCodes[$flag];
+            }
+        }
+        return $result;
+    }
+}

PEAR2/Console/Color/Fonts.php

@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * Font class for PEAR2_Console_Color
+ * 
+ * PHP version 5.3
+ *
+ * @category  Console
+ * @package   PEAR2_Console_Color
+ * @author    Ivo Nascimento <ivo@o8o.com.br>
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0
+ * @link      http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+/**
+ * This class has the possibles values to a Font Color.
+ *
+ * @category  Console
+ * @package   PEAR2_Console_Color
+ * @author    Ivo Nascimento <ivo@o8o.com.br>
+ * @copyright 2011 Ivo Nascimento
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link      http://pear2.php.net/PEAR2_Console_Color
+ */
+abstract class Fonts
+{
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to specify that
+     * the font color already in effect should be kept.
+     */
+    const KEEP    = null;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to black/grey (implementation defined).
+     */
+    const BLACK   = 30;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to black/grey (implementation defined).
+     */
+    const GREY    = 30;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to maroon/red (implementation defined).
+     */
+    const MAROON  = 31;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to maroon/red (implementation defined).
+     */
+    const RED     = 31;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to green/lime (implementation defined).
+     */
+    const LIME    = 32;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to green/lime (implementation defined).
+     */
+    const GREEN   = 32;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to brown/yellow (implementation defined).
+     */
+    const BROWN   = 33;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to brown/yellow (implementation defined).
+     */
+    const YELLOW  = 33;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to navy/blue (implementation defined).
+     */
+    const NAVY    = 34;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to navy/blue (implementation defined).
+     */
+    const BLUE    = 34;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to purple/magenta (implementation defined).
+     */
+    const PURPLE  = 35;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to purple/magenta (implementation defined).
+     */
+    const MAGENTA = 35;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to teal/cyan (implementation defined).
+     */
+    const TEAL    = 36;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to teal/cyan (implementation defined).
+     */
+    const CYAN    = 36;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to silver/white (implementation defined).
+     */
+    const SILVER  = 37;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to silver/white (implementation defined).
+     */
+    const WHITE   = 37;
+
+    /**
+     * Used at {@link \PEAR2\Console\Color::setFont()} to set the
+     * font color to whatever the default one is.
+     */
+    const RESET   = 39;
+}

PEAR2/Console/Color/Styles.php

@@ -0,0 +1,130 @@
+<?php
+
+/**
+ * Styles class for PEAR2_Console_Color.
+ * 
+ * PHP version 5.3
+ *
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version  1.0.0
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+use ReflectionClass;
+
+/**
+ * This class has the possibles values to a Font Style.
+ * 
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+abstract class Styles
+{
+    /**
+     * Used in {@link \PEAR2\Console\Color::setStyles()} to match all styles.
+     */
+    const ALL       = null;
+
+    /**
+     * Used in {@link \PEAR2\Console\Color::setStyles()} as part of a bitmask.
+     * If specified, matches the bold style.
+     * When this style is enabled, the font is bolder.
+     * With ANSICON, the font color becomes more intense (but not bolder).
+     */
+    const BOLD      = 1;
+
+    /**
+     * Used in {@link \PEAR2\Console\Color::setStyles()} as part of a bitmask.
+     * If specified, matches the underline style.
+     * When this style is enabled, the font is underlined.
+     * With ANSICON, the background color becomes more intense
+     * (and the font is not underlined), same as {@link self::BLINK}.
+     */
+    const UNDERLINE = 2;
+
+    /**
+     * Used in {@link \PEAR2\Console\Color::setStyles()} as part of a bitmask.
+     * If specified, matches the blink style.
+     * When this style is enabled, the font color switches between its regular
+     * color and the background color at regular (implementation defined)
+     * intervals, creating the illusion of a blinking text.
+     * With ANSICON, the background color becomes more intense
+     * (and the font is not blinking), same as with {@link self::UNDERLINE}.
+     */
+    const BLINK     = 4;
+
+    /**
+     * Used in {@link \PEAR2\Console\Color::setStyles()} as part of a bitmask.
+     * If specified, matches the concealed style.
+     * When this style is enabled, the font color becomes the background color,
+     * rendering the text invisible. This style is particularly useful for
+     * implementations where simply setting the same color and background color
+     * would not necesarily provide a fully invisibile text (e.g. ANSICON).
+     */
+    const CONCEALED = 8;
+
+    /**
+     * @var (int[])[] An array describing the codes for the styles.
+     *     Each array key is the style's constant, and each value is an array
+     *     where the first member is the disable code, and the second is the
+     *     enable code.
+     */
+    protected static $styleCodes = array(
+        self::BOLD      => array(22, 1),
+        self::UNDERLINE => array(24, 4),
+        self::BLINK     => array(25, 5),
+        self::CONCEALED => array(28, 8)
+    );
+
+    /**
+     * Get style constants.
+     * 
+     * @param int|null $styles Bitmask of styles to match.
+     *     You can also use {@link self::ALL} (only) to get all styles.
+     * 
+     * @return int[] Matching style constants.
+     */
+    final public static function match($styles)
+    {
+        $flagsClass = new ReflectionClass(get_called_class());
+        $validStyles = array_values(
+            array_unique($flagsClass->getConstants(), SORT_NUMERIC)
+        );
+        unset($validStyles[array_search(self::ALL, $validStyles, true)]);
+
+        if (self::ALL === $styles) {
+            return $validStyles;
+        }
+        $styles = (int)$styles;
+
+        $result = array();
+        foreach ($validStyles as $flag) {
+            if ($styles & $flag) {
+                $result[] = $flag;
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * Gets the code for a style.
+     * 
+     * @param int  $style The style to get the code for.
+     * @param bool $state The state to get code for.
+     *     TRUE for the enabled state codes,
+     *     FALSE for the disabled state codes.
+     * 
+     * @return int The code for the flag specified.
+     */
+    final public static function getCode($style, $state)
+    {
+        return static::$styleCodes[$style][(int)(bool)$state];
+    }
+}

PEAR2/Console/Color/UnexpectedValueException.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * Exception class for PEAR2_Console_Color.
+ * 
+ * PHP version 5.3
+ *
+ * @category Console
+ * @package  PEAR2_Console_Color
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version  1.0.0
+ * @link     http://pear2.php.net/PEAR2_Console_Color
+ */
+namespace PEAR2\Console\Color;
+
+use UnexpectedValueException as U;
+
+/**
+ * Exception class for PEAR2_Console_Color.
+ *
+ * @category  Console
+ * @package   PEAR2_Console_Color
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Ivo Nascimento
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link      http://pear2.php.net/PEAR2_Console_Color
+ */
+class UnexpectedValueException extends U implements Exception
+{
+    /**
+     * Used when an unexpected font value is supplied.
+     */
+    const CODE_FONT       = 1;
+
+    /**
+     * Used when an unexpected background value is supplied.
+     */
+    const CODE_BACKGROUND = 2;
+}

PEAR2/Console/CommandLine/Action.php

@@ -0,0 +1,142 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent an option action.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+abstract class Action
+{
+    // Properties {{{
+
+    /**
+     * A reference to the result instance.
+     *
+     * @var PEAR2\Console\CommandLine_Result $result The result instance
+     */
+    protected $result;
+
+    /**
+     * A reference to the option instance.
+     *
+     * @var PEAR2\Console\CommandLine_Option $option The action option
+     */
+    protected $option;
+
+    /**
+     * A reference to the parser instance.
+     *
+     * @var PEAR2\Console\CommandLine $parser The parser
+     */
+    protected $parser;
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor
+     *
+     * @param PEAR2\Console\CommandLine_Result $result The result instance
+     * @param PEAR2\Console\CommandLine_Option $option The action option
+     * @param PEAR2\Console\CommandLine        $parser The current parser
+     *
+     * @return void
+     */
+    public function __construct($result, $option, $parser)
+    {
+        $this->result = $result;
+        $this->option = $option;
+        $this->parser = $parser;
+    }
+
+    // }}}
+    // getResult() {{{
+
+    /**
+     * Convenience method to retrieve the value of result->options[name].
+     *
+     * @return mixed The result value or null
+     */
+    public function getResult()
+    {
+        if (isset($this->result->options[$this->option->name])) {
+            return $this->result->options[$this->option->name];
+        }
+        return null;
+    }
+
+    // }}}
+    // format() {{{
+
+    /**
+     * Allow a value to be pre-formatted prior to being used in a choices test.
+     * Setting $value to the new format will keep the formatting.
+     *
+     * @param mixed &$value The value to format
+     *
+     * @return mixed The formatted value
+     */
+    public function format(&$value)
+    {
+        return $value;
+    }
+
+    // }}}
+    // setResult() {{{
+
+    /**
+     * Convenience method to assign the result->options[name] value.
+     *
+     * @param mixed $result The result value
+     *
+     * @return void
+     */
+    public function setResult($result)
+    {
+        $this->result->options[$this->option->name] = $result;
+    }
+
+    // }}}
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     * All children actions must implement this method.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    abstract public function execute($value = false, $params = array());
+    // }}}
+}

PEAR2/Console/CommandLine/Action/Callback.php

@@ -0,0 +1,86 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+
+/**
+ * Class that represent the Callback action.
+ *
+ * The result option array entry value is set to the return value of the
+ * callback defined in the option.
+ *
+ * There are two steps to defining a callback option:
+ *   - define the option itself using the callback action
+ *   - write the callback; this is a function (or method) that takes five
+ *     arguments, as described below.
+ *
+ * All callbacks are called as follows:
+ * <code>
+ * callable_func(
+ *     $value,           // the value of the option
+ *     $option_instance, // the option instance
+ *     $result_instance, // the result instance
+ *     $parser_instance, // the parser instance
+ *     $params           // an array of params as specified in the option
+ * );
+ * </code>
+ * and *must* return the option value.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Callback extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The value of the option
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $this->setResult(
+            call_user_func(
+                $this->option->callback,
+                $value,
+                $this->option,
+                $this->result,
+                $this->parser,
+                $params
+            )
+        );
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/Counter.php

@@ -0,0 +1,84 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the Version action.
+ *
+ * The execute methode add 1 to the value of the result option array entry.
+ * The value is incremented each time the option is found, for example
+ * with an option defined like that:
+ *
+ * <code>
+ * $parser->addOption(
+ *     'verbose',
+ *     array(
+ *         'short_name' => '-v',
+ *         'action'     => 'Counter'
+ *     )
+ * );
+ * </code>
+ * If the user type:
+ * <code>
+ * $ script.php -v -v -v
+ * </code>
+ * or: 
+ * <code>
+ * $ script.php -vvv
+ * </code>
+ * the verbose variable will be set to to 3.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Counter extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $result = $this->getResult();
+        if ($result === null) {
+            $result = 0;
+        }
+        $this->setResult(++$result);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/Help.php

@@ -0,0 +1,58 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the Help action, a special action that displays the
+ * help message, telling the user how to use the program.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Help extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        return $this->parser->displayUsage();
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/List.php

@@ -0,0 +1,69 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   CVS: $Id: List.php,v 1.2 2009/02/27 08:03:17 izi Exp $
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the List action, a special action that simply output an 
+ * array as a list.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Action_List extends Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     * Possible parameters are:
+     * - message: an alternative message to display instead of the default 
+     *   message,
+     * - delimiter: an alternative delimiter instead of the comma,
+     * - post: a string to append after the message (default is the new line 
+     *   char).
+     *
+     * @param mixed $value  The option value
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $list = isset($params['list']) ? $params['list'] : array();
+        $msg  = isset($params['message']) 
+            ? $params['message'] 
+            : $this->parser->message_provider->get('LIST_DISPLAYED_MESSAGE');
+        $del  = isset($params['delimiter']) ? $params['delimiter'] : ', ';
+        $post = isset($params['post']) ? $params['post'] : "\n";
+        $this->parser->outputter->stdout($msg . implode($del, $list) . $post);
+        exit(0);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/Password.php

@@ -0,0 +1,90 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the Password action, a special action that allow the 
+ * user to specify the password on the commandline or to be prompted for 
+ * entering it.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Password extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $this->setResult(empty($value) ? $this->_promptPassword() : $value);
+    }
+    // }}}
+    // _promptPassword() {{{
+
+    /**
+     * Prompts the password to the user without echoing it.
+     *
+     * @return string
+     * @todo not echo-ing the password does not work on windows is there a way 
+     *       to make this work ?
+     */
+    private function _promptPassword()
+    {
+        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+            fwrite(
+                STDOUT,
+                $this->parser->message_provider->get('PASSWORD_PROMPT_ECHO')
+            );
+            @flock(STDIN, LOCK_EX);
+            $passwd = fgets(STDIN);
+            @flock(STDIN, LOCK_UN);
+        } else {
+            fwrite(STDOUT, $this->parser->message_provider->get('PASSWORD_PROMPT'));
+            // disable echoing
+            system('stty -echo');
+            @flock(STDIN, LOCK_EX);
+            $passwd = fgets(STDIN);
+            @flock(STDIN, LOCK_UN);
+            system('stty echo');
+        }
+        return trim($passwd);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreArray.php

@@ -0,0 +1,76 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreArray action.
+ *
+ * The execute method appends the value of the option entered by the user to 
+ * the result option array entry.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreArray extends CommandLine\Action
+{
+    // Protected properties {{{
+
+    /**
+     * Force a clean result when first called, overriding any defaults assigned.
+     *
+     * @var object $firstPass First time this action has been called.
+     */
+    protected $firstPass = true;
+
+    // }}}
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An optional array of parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $result = $this->getResult();
+        if (null === $result || $this->firstPass) {
+            $result          = array();
+            $this->firstPass = false;
+        }
+        $result[] = $value;
+        $this->setResult($result);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreFalse.php

@@ -0,0 +1,62 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreFalse action.
+ *
+ * The execute method store the boolean 'false' in the corrsponding result
+ * option array entry (the value is true if the option is not present in the 
+ * command line entered by the user).
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreFalse extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $this->setResult(false);
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreFloat.php

@@ -0,0 +1,73 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreFloat action.
+ *
+ * The execute method store the value of the option entered by the user as a
+ * float in the result option array entry, if the value passed is not a float
+ * an Exception is raised.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreFloat extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     * @throws PEAR2\Console\CommandLine\Exception
+     */
+    public function execute($value = false, $params = array())
+    {
+        if (!is_numeric($value)) {
+            throw CommandLine\Exception::factory(
+                'OPTION_VALUE_TYPE_ERROR',
+                array(
+                    'name'  => $this->option->name,
+                    'type'  => 'float',
+                    'value' => $value
+                ),
+                $this->parser
+            );
+        }
+        $this->setResult((float)$value);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreInt.php

@@ -0,0 +1,73 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreInt action.
+ *
+ * The execute method store the value of the option entered by the user as an
+ * integer in the result option array entry, if the value passed is not an 
+ * integer an Exception is raised.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreInt extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     * @throws PEAR2\Console\CommandLine\Exception
+     */
+    public function execute($value = false, $params = array())
+    {
+        if (!is_numeric($value)) {
+            throw CommandLine\Exception::factory(
+                'OPTION_VALUE_TYPE_ERROR',
+                array(
+                    'name'  => $this->option->name,
+                    'type'  => 'int',
+                    'value' => $value
+                ),
+                $this->parser
+            );
+        }
+        $this->setResult((int)$value);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreString.php

@@ -0,0 +1,60 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreString action.
+ *
+ * The execute method store the value of the option entered by the user as a 
+ * string in the result option array entry.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreString extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $this->setResult((string)$value);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/StoreTrue.php

@@ -0,0 +1,61 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the StoreTrue action.
+ *
+ * The execute method store the boolean 'true' in the corrsponding result
+ * option array entry (the value is false if the option is not present in the 
+ * command line entered by the user).
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class StoreTrue extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        $this->setResult(true);
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Action/Version.php

@@ -0,0 +1,58 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine\Action;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent the Version action, a special action that displays the
+ * version string of the program.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Version extends CommandLine\Action
+{
+    // execute() {{{
+
+    /**
+     * Executes the action with the value entered by the user.
+     *
+     * @param mixed $value  The option value
+     * @param array $params An array of optional parameters
+     *
+     * @return string
+     */
+    public function execute($value = false, $params = array())
+    {
+        return $this->parser->displayVersion();
+    }
+    // }}}
+}

PEAR2/Console/CommandLine/Argument.php

@@ -0,0 +1,94 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent a command line argument.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Argument extends Element
+{
+    // Public properties {{{
+
+    /**
+     * Setting this to true will tell the parser that the argument expects more
+     * than one argument and that argument values should be stored in an array.
+     *
+     * @var boolean $multiple Whether the argument expects multiple values
+     */
+    public $multiple = false;
+
+    /**
+     * Setting this to true will tell the parser that the argument is optional
+     * and can be ommited.
+     * Note that it is not a good practice to make arguments optional, it is
+     * the role of the options to be optional, by essence.
+     *
+     * @var boolean $optional Whether the argument is optional or not.
+     */
+    public $optional = false;
+
+    // }}}
+    // validate() {{{
+
+    /**
+     * Validates the argument instance.
+     *
+     * @return void
+     * @throws PEAR2\Console\CommandLine\Exception
+     * @todo use exceptions
+     */
+    public function validate()
+    {
+        // check if the argument name is valid
+        if (!preg_match(
+            '/^[a-zA-Z_\x7f-\xff]+[a-zA-Z0-9_\x7f-\xff]*$/',
+            $this->name
+        )
+        ) {
+            \PEAR2\Console\CommandLine::triggerError(
+                'argument_bad_name',
+                E_USER_ERROR,
+                array('{$name}' => $this->name)
+            );
+        }
+        if (!$this->optional && $this->default !== null) {
+            \PEAR2\Console\CommandLine::triggerError(
+                'argument_no_default',
+                E_USER_ERROR
+            );
+        }
+        parent::validate();
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Command.php

@@ -0,0 +1,72 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent a command with option and arguments.
+ *
+ * This class exist just to clarify the interface but at the moment it is 
+ * strictly identical to PEAR2\Console\CommandLine class, it could change in the
+ * future though.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Command extends \PEAR2\Console\CommandLine
+{
+    // Public properties {{{
+
+    /**
+     * An array of aliases for the subcommand.
+     *
+     * @var array $aliases Aliases for the subcommand.
+     */
+    public $aliases = array();
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor.
+     *
+     * @param array $params An optional array of parameters
+     *
+     * @return void
+     */
+    public function __construct($params = array()) 
+    {
+        if (isset($params['aliases'])) {
+            $this->aliases = $params['aliases'];
+        }
+        parent::__construct($params);
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/CustomMessageProvider.php

@@ -0,0 +1,67 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @author    Michael Gauthier <mike@silverorange.com>
+ * @copyright 2007 David JEAN LOUIS, 2009 silverorange
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   CVS: $Id: CustomMessageProvider.php 282427 2009-06-19 10:22:48Z izi $
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 1.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Common interfacefor message providers that allow overriding with custom
+ * messages
+ *
+ * Message providers may optionally implement this interface.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @author    Michael Gauthier <mike@silverorange.com>
+ * @copyright 2007 David JEAN LOUIS, 2009 silverorange
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Interface available since release 1.1.0
+ */
+interface CustomMessageProvider
+{
+    // getWithCustomMesssages() {{{
+
+    /**
+     * Retrieves the given string identifier corresponding message.
+     *
+     * For a list of identifiers please see the provided default message
+     * provider.
+     *
+     * @param string $code     The string identifier of the message
+     * @param array  $vars     An array of template variables
+     * @param array  $messages An optional array of messages to use. Array
+     *                         indexes are message codes.
+     *
+     * @return string
+     * @see PEAR2\Console\CommandLine_MessageProvider
+     * @see PEAR2\Console\CommandLine_MessageProvider_Default
+     */
+    public function getWithCustomMessages(
+        $code, $vars = array(), $messages = array()
+    );
+
+    // }}}
+}

PEAR2/Console/CommandLine/Element.php

@@ -0,0 +1,151 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Class that represent a command line element (an option, or an argument).
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+abstract class Element
+{
+    // Public properties {{{
+
+    /**
+     * The element name.
+     *
+     * @var string $name Element name
+     */
+    public $name;
+
+    /**
+     * The name of variable displayed in the usage message, if no set it
+     * defaults to the "name" property.
+     *
+     * @var string $help_name Element "help" variable name
+     */
+    public $help_name;
+
+    /**
+     * The element description.
+     *
+     * @var string $description Element description
+     */
+    public $description;
+     /**
+     * The default value of the element if not provided on the command line.
+     *
+     * @var mixed $default Default value of the option.
+     */
+    public $default;
+
+    /**
+     * Custom errors messages for this element
+     *
+     * This array is of the form:
+     * <code>
+     * <?php
+     * array(
+     *     $messageName => $messageText,
+     *     $messageName => $messageText,
+     *     ...
+     * );
+     * ?>
+     * </code>
+     *
+     * If specified, these messages override the messages provided by the
+     * default message provider. For example:
+     * <code>
+     * <?php
+     * $messages = array(
+     *     'ARGUMENT_REQUIRED' => 'The argument foo is required.',
+     * );
+     * ?>
+     * </code>
+     *
+     * @var array
+     * @see PEAR2\Console\CommandLine_MessageProvider_Default
+     */
+    public $messages = array();
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor.
+     *
+     * @param string $name   The name of the element
+     * @param array  $params An optional array of parameters
+     *
+     * @return void
+     */
+    public function __construct($name = null, $params = array())
+    {
+        $this->name = $name;
+        foreach ($params as $attr => $value) {
+            if (property_exists($this, $attr)) {
+                $this->$attr = $value;
+            }
+        }
+    }
+
+    // }}}
+    // toString() {{{
+
+    /**
+     * Returns the string representation of the element.
+     *
+     * @return string The string representation of the element
+     * @todo use __toString() instead
+     */
+    public function toString()
+    {
+        return $this->help_name;
+    }
+    // }}}
+    // validate() {{{
+
+    /**
+     * Validates the element instance and set it's default values.
+     *
+     * @return void
+     * @throws PEAR2\Console\CommandLine\Exception
+     */
+    public function validate()
+    {
+        // if no help_name passed, default to name
+        if ($this->help_name == null) {
+            $this->help_name = $this->name;
+        }
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Exception.php

@@ -0,0 +1,90 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+use Exception as E;
+
+/**
+ * Class for exceptions raised by the PEAR2\Console\CommandLine package.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Exception extends E
+{
+    // Codes constants {{{
+
+    /**#@+
+     * Exception code constants.
+     */
+    const OPTION_VALUE_REQUIRED   = 1;
+    const OPTION_VALUE_UNEXPECTED = 2;
+    const OPTION_VALUE_TYPE_ERROR = 3;
+    const OPTION_UNKNOWN          = 4;
+    const ARGUMENT_REQUIRED       = 5;
+    const INVALID_SUBCOMMAND      = 6;
+    /**#@-*/
+
+    // }}}
+    // factory() {{{
+
+    /**
+     * Convenience method that builds the exception with the array of params by
+     * calling the message provider class.
+     *
+     * @param string                    $code     The string identifier of the
+     *                                            exception.
+     * @param array                     $params   Array of template vars/values
+     * @param PEAR2\Console\CommandLine $parser   An instance of the parser
+     * @param array                     $messages An optional array of messages
+     *                                            passed to the message provider.
+     *
+     * @return PEAR2\Console\CommandLine\Exception The exception instance
+     */
+    public static function factory(
+        $code, $params, $parser, array $messages = array()
+    ) {
+        $provider = $parser->message_provider;
+        if ($provider instanceof CommandLine\CustomMessageProvider) {
+            $msg = $provider->getWithCustomMessages(
+                $code,
+                $params,
+                $messages
+            );
+        } else {
+            $msg = $provider->get($code, $params);
+        }
+        $const = '\PEAR2\Console\CommandLine\Exception::' . $code;
+        $code  = defined($const) ? constant($const) : 0;
+        return new static($msg, $code);
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/MessageProvider.php

@@ -0,0 +1,57 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Message providers common interface, all message providers must implement
+ * this interface.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+interface MessageProvider
+{
+    // get() {{{
+
+    /**
+     * Retrieves the given string identifier corresponding message.
+     * For a list of identifiers please see the provided default message 
+     * provider.
+     *
+     * @param string $code The string identifier of the message
+     * @param array  $vars An array of template variables
+     *
+     * @return string
+     * @see PEAR2\Console\CommandLine_MessageProvider_Default
+     */
+    public function get($code, $vars=array());
+
+    // }}}
+}

PEAR2/Console/CommandLine/MessageProvider/Default.php

@@ -0,0 +1,143 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Lightweight class that manages messages used by PEAR2\Console\CommandLine package,
+ * allowing the developper to customize these messages, for example to
+ * internationalize a command line frontend.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class MessageProvider_Default
+    implements MessageProvider,
+    CustomMessageProvider
+{
+    // Properties {{{
+
+    /**
+     * Associative array of messages
+     *
+     * @var array $messages
+     */
+    protected $messages = array(
+        'OPTION_VALUE_REQUIRED'   => 'Option "{$name}" requires a value.',
+        'OPTION_VALUE_UNEXPECTED' => 'Option "{$name}" does not expect a value (got "{$value}").',
+        'OPTION_VALUE_NOT_VALID'  => 'Option "{$name}" must be one of the following: "{$choices}" (got "{$value}").',
+        'OPTION_VALUE_TYPE_ERROR' => 'Option "{$name}" requires a value of type {$type} (got "{$value}").',
+        'OPTION_AMBIGUOUS'        => 'Ambiguous option "{$name}", can be one of the following: {$matches}.',
+        'OPTION_UNKNOWN'          => 'Unknown option "{$name}".',
+        'ARGUMENT_REQUIRED'       => 'You must provide at least {$argnum} argument{$plural}.',
+        'PROG_HELP_LINE'          => 'Type "{$progname} --help" to get help.',
+        'PROG_VERSION_LINE'       => '{$progname} version {$version}.',
+        'COMMAND_HELP_LINE'       => 'Type "{$progname} <command> --help" to get help on specific command.',
+        'USAGE_WORD'              => 'Usage',
+        'OPTION_WORD'             => 'Options',
+        'ARGUMENT_WORD'           => 'Arguments',
+        'COMMAND_WORD'            => 'Commands',
+        'PASSWORD_PROMPT'         => 'Password: ',
+        'PASSWORD_PROMPT_ECHO'    => 'Password (warning: will echo): ',
+        'INVALID_CUSTOM_INSTANCE' => 'Instance does not implement the required interface',
+        'LIST_OPTION_MESSAGE'     => 'lists valid choices for option {$name}',
+        'LIST_DISPLAYED_MESSAGE'  => 'Valid choices are: ',
+        'INVALID_SUBCOMMAND'      => 'Command "{$command}" is not valid.',
+        'SUBCOMMAND_REQUIRED'     => 'Please enter one of the following command: {$commands}.',
+    );
+
+    // }}}
+    // get() {{{
+
+    /**
+     * Retrieve the given string identifier corresponding message.
+     *
+     * @param string $code The string identifier of the message
+     * @param array  $vars An array of template variables
+     *
+     * @return string
+     */
+    public function get($code, $vars = array())
+    {
+        if (!isset($this->messages[$code])) {
+            return 'UNKNOWN';
+        }
+        return $this->replaceTemplateVars($this->messages[$code], $vars);
+    }
+
+    // }}}
+    // getWithCustomMessages() {{{
+
+    /**
+     * Retrieve the given string identifier corresponding message.
+     *
+     * @param string $code     The string identifier of the message
+     * @param array  $vars     An array of template variables
+     * @param array  $messages An optional array of messages to use. Array
+     *                         indexes are message codes.
+     *
+     * @return string
+     */
+    public function getWithCustomMessages(
+        $code, $vars = array(), $messages = array()
+    ) {
+        // get message
+        if (isset($messages[$code])) {
+            $message = $messages[$code];
+        } elseif (isset($this->messages[$code])) {
+            $message = $this->messages[$code];
+        } else {
+            $message = 'UNKNOWN';
+        }
+        return $this->replaceTemplateVars($message, $vars);
+    }
+
+    // }}}
+    // replaceTemplateVars() {{{
+
+    /**
+     * Replaces template vars in a message
+     *
+     * @param string $message The message
+     * @param array  $vars    An array of template variables
+     *
+     * @return string
+     */
+    protected function replaceTemplateVars($message, $vars = array())
+    {
+        $tmpkeys = array_keys($vars);
+        $keys    = array();
+        foreach ($tmpkeys as $key) {
+            $keys[] = '{$' . $key . '}';
+        }
+        return str_replace($keys, array_values($vars), $message);
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Option.php

@@ -0,0 +1,393 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+use PEAR2\Console;
+
+/**
+ * Class that represent a commandline option.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Option extends Element
+{
+    // Public properties {{{
+
+    /**
+     * The option short name (ex: -v).
+     *
+     * @var string $short_name Short name of the option
+     */
+    public $short_name;
+
+    /**
+     * The option long name (ex: --verbose).
+     *
+     * @var string $long_name Long name of the option
+     */
+    public $long_name;
+
+    /**
+     * The option action, defaults to "StoreString".
+     *
+     * @var string $action Option action
+     */
+    public $action = 'StoreString';
+
+    /**
+     * An array of possible values for the option. If this array is not empty
+     * and the value passed is not in the array an exception is raised.
+     * This only make sense for actions that accept values of course.
+     *
+     * @var array $choices Valid choices for the option
+     */
+    public $choices = array();
+
+    /**
+     * The callback function (or method) to call for an action of type
+     * Callback, this can be any callable supported by the php function
+     * call_user_func.
+     *
+     * Example:
+     *
+     * <code>
+     * $parser->addOption('myoption', array(
+     *     'short_name' => '-m',
+     *     'long_name'  => '--myoption',
+     *     'action'     => 'Callback',
+     *     'callback'   => 'myCallbackFunction'
+     * ));
+     * </code>
+     *
+     * @var callable $callback The option callback
+     */
+    public $callback;
+
+    /**
+     * An associative array of additional params to pass to the class
+     * corresponding to the action, this array will also be passed to the
+     * callback defined for an action of type Callback, Example:
+     *
+     * <code>
+     * // for a custom action
+     * $parser->addOption('myoption', array(
+     *     'short_name'    => '-m',
+     *     'long_name'     => '--myoption',
+     *     'action'        => 'MyCustomAction',
+     *     'action_params' => array('foo'=>true, 'bar'=>false)
+     * ));
+     *
+     * // if the user type:
+     * // $ <yourprogram> -m spam
+     * // in your MyCustomAction class the execute() method will be called
+     * // with the value 'spam' as first parameter and
+     * // array('foo'=>true, 'bar'=>false) as second parameter
+     * </code>
+     *
+     * @var array $action_params Additional parameters to pass to the action
+     */
+    public $action_params = array();
+
+    /**
+     * For options that expect an argument, this property tells the parser if
+     * the option argument is optional and can be ommited.
+     *
+     * @var bool $argumentOptional Whether the option arg is optional or not
+     */
+    public $argument_optional = false;
+
+    /**
+     * For options that uses the "choice" property only.
+     * Adds a --list-<choice> option to the parser that displays the list of
+     * choices for the option.
+     *
+     * @var bool $add_list_option Whether to add a list option or not
+     */
+    public $add_list_option = false;
+
+    // }}}
+    // Private properties {{{
+
+    /**
+     * When an action is called remember it to allow for multiple calls.
+     *
+     * @var object $action_instance Placeholder for action
+     */
+    private $_action_instance = null;
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor.
+     *
+     * @param string $name   The name of the option
+     * @param array  $params An optional array of parameters
+     *
+     * @return void
+     */
+    public function __construct($name = null, $params = array())
+    {
+        parent::__construct($name, $params);
+        if ($this->action == 'Password') {
+            // special case for Password action, password can be passed to the
+            // commandline or prompted by the parser
+            $this->argument_optional = true;
+        }
+    }
+
+    // }}}
+    // toString() {{{
+
+    /**
+     * Returns the string representation of the option.
+     *
+     * @param string $delim Delimiter to use between short and long option
+     *
+     * @return string The string representation of the option
+     * @todo use __toString() instead
+     */
+    public function toString($delim = ", ")
+    {
+        $ret     = '';
+        $padding = '';
+        if ($this->short_name != null) {
+            $ret .= $this->short_name;
+            if ($this->expectsArgument()) {
+                $ret .= ' ' . $this->help_name;
+            }
+            $padding = $delim;
+        }
+        if ($this->long_name != null) {
+            $ret .= $padding . $this->long_name;
+            if ($this->expectsArgument()) {
+                $ret .= '=' . $this->help_name;
+            }
+        }
+        return $ret;
+    }
+
+    // }}}
+    // expectsArgument() {{{
+
+    /**
+     * Returns true if the option requires one or more argument and false
+     * otherwise.
+     *
+     * @return bool Whether the option expects an argument or not
+     */
+    public function expectsArgument()
+    {
+        if ($this->action == 'StoreTrue'
+            || $this->action == 'StoreFalse'
+            || $this->action == 'Help'
+            || $this->action == 'Version'
+            || $this->action == 'Counter'
+            || $this->action == 'List'
+        ) {
+            return false;
+        }
+        return true;
+    }
+
+    // }}}
+    // dispatchAction() {{{
+
+    /**
+     * Formats the value $value according to the action of the option and
+     * updates the passed PEAR2\Console\CommandLine_Result object.
+     *
+     * @param mixed                            $value  The value to format
+     * @param PEAR2\Console\CommandLine_Result $result The result instance
+     * @param PEAR2\Console\CommandLine        $parser The parser instance
+     *
+     * @return void
+     * @throws PEAR2\Console\CommandLine\Exception
+     */
+    public function dispatchAction($value, $result, $parser)
+    {
+        $actionInfo = Console\CommandLine::$actions[$this->action];
+        $clsname    = $actionInfo[0];
+        if ($this->_action_instance === null) {
+            $this->_action_instance  = new $clsname($result, $this, $parser);
+        }
+
+        // check value is in option choices
+        if (!empty($this->choices)
+            && !in_array(
+                $this->_action_instance->format($value),
+                $this->choices
+            )
+        ) {
+            throw Console\CommandLine\Exception::factory(
+                'OPTION_VALUE_NOT_VALID',
+                array(
+                    'name'    => $this->name,
+                    'choices' => implode('", "', $this->choices),
+                    'value'   => $value,
+                ),
+                $parser,
+                $this->messages
+            );
+        }
+        $this->_action_instance->execute($value, $this->action_params);
+    }
+
+    // }}}
+    // validate() {{{
+
+    /**
+     * Validates the option instance.
+     *
+     * @return void
+     * @throws PEAR2\Console\CommandLine\Exception
+     * @todo use exceptions instead
+     */
+    public function validate()
+    {
+        // check if the option name is valid
+        if (!preg_match(
+            '/^[a-zA-Z_\x7f-\xff]+[a-zA-Z0-9_\x7f-\xff]*$/',
+            $this->name
+        )
+        ) {
+            Console\CommandLine::triggerError(
+                'option_bad_name',
+                E_USER_ERROR,
+                array('{$name}' => $this->name)
+            );
+        }
+        // call the parent validate method
+        parent::validate();
+        // a short_name or a long_name must be provided
+        if ($this->short_name == null && $this->long_name == null) {
+            Console\CommandLine::triggerError(
+                'option_long_and_short_name_missing',
+                E_USER_ERROR,
+                array('{$name}' => $this->name)
+            );
+        }
+        // check if the option short_name is valid
+        if ($this->short_name != null
+            && !(preg_match('/^\-[a-zA-Z]{1}$/', $this->short_name))
+        ) {
+            Console\CommandLine::triggerError(
+                'option_bad_short_name',
+                E_USER_ERROR,
+                array(
+                    '{$name}' => $this->name,
+                    '{$short_name}' => $this->short_name
+                )
+            );
+        }
+        // check if the option long_name is valid
+        if ($this->long_name != null
+            && !preg_match('/^\-\-[a-zA-Z]+[a-zA-Z0-9_\-]*$/', $this->long_name)
+        ) {
+            Console\CommandLine::triggerError(
+                'option_bad_long_name',
+                E_USER_ERROR,
+                array(
+                    '{$name}' => $this->name,
+                    '{$long_name}' => $this->long_name
+                )
+            );
+        }
+        // check if we have a valid action
+        if (!is_string($this->action)) {
+            Console\CommandLine::triggerError(
+                'option_bad_action',
+                E_USER_ERROR,
+                array('{$name}' => $this->name)
+            );
+        }
+        if (!isset(Console\CommandLine::$actions[$this->action])) {
+            Console\CommandLine::triggerError(
+                'option_unregistered_action',
+                E_USER_ERROR,
+                array(
+                    '{$action}' => $this->action,
+                    '{$name}' => $this->name
+                )
+            );
+        }
+        // if the action is a callback, check that we have a valid callback
+        if ($this->action == 'Callback' && !is_callable($this->callback)) {
+            Console\CommandLine::triggerError(
+                'option_invalid_callback',
+                E_USER_ERROR,
+                array('{$name}' => $this->name)
+            );
+        }
+    }
+
+    // }}}
+    // setDefaults() {{{
+
+    /**
+     * Set the default value according to the configured action.
+     *
+     * Note that for backward compatibility issues this method is only called
+     * when the 'force_options_defaults' is set to true, it will become the
+     * default behaviour in the next major release of PEAR2\Console\CommandLine.
+     *
+     * @return void
+     */
+    public function setDefaults()
+    {
+        if ($this->default !== null) {
+            // already set
+            return;
+        }
+        switch ($this->action) {
+        case 'Counter':
+        case 'StoreInt':
+            $this->default = 0;
+            break;
+        case 'StoreFloat':
+            $this->default = 0.0;
+            break;
+        case 'StoreArray':
+            $this->default = array();
+            break;
+        case 'StoreTrue':
+            $this->default = false;
+            break;
+        case 'StoreFalse':
+            $this->default = true;
+            break;
+        default:
+            return;
+        }
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Outputter.php

@@ -0,0 +1,64 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Outputters common interface, all outputters must implement this interface.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+interface Outputter
+{
+    // stdout() {{{
+
+    /**
+     * Processes the output for a message that should be displayed on STDOUT.
+     *
+     * @param string $msg The message to output
+     *
+     * @return void
+     */
+    public function stdout($msg);
+
+    // }}}
+    // stderr() {{{
+
+    /**
+     * Processes the output for a message that should be displayed on STDERR.
+     *
+     * @param string $msg The message to output
+     *
+     * @return void
+     */
+    public function stderr($msg);
+
+    // }}}
+}

PEAR2/Console/CommandLine/Outputter/Default.php

@@ -0,0 +1,78 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * PEAR2\Console\CommandLine default Outputter.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Outputter_Default implements Outputter
+{
+    // stdout() {{{
+
+    /**
+     * Writes the message $msg to STDOUT.
+     *
+     * @param string $msg The message to output
+     *
+     * @return void
+     */
+    public function stdout($msg)
+    {
+        if (defined('STDOUT')) {
+            fwrite(STDOUT, $msg);
+        } else {
+            echo $msg;
+        }
+    }
+
+    // }}}
+    // stderr() {{{
+
+    /**
+     * Writes the message $msg to STDERR.
+     *
+     * @param string $msg The message to output
+     *
+     * @return void
+     */
+    public function stderr($msg)
+    {
+        if (defined('STDERR')) {
+            fwrite(STDERR, $msg);
+        } else {
+            echo $msg;
+        }
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Renderer.php

@@ -0,0 +1,72 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * Renderers common interface, all renderers must implement this interface.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+interface Renderer
+{
+    // usage() {{{
+
+    /**
+     * Returns the full usage message.
+     *
+     * @return string The usage message
+     */
+    public function usage();
+
+    // }}}
+    // error() {{{
+
+    /**
+     * Returns a formatted error message.
+     *
+     * @param string $error The error message to format
+     *
+     * @return string The error string
+     */
+    public function error($error);
+
+    // }}}
+    // version() {{{
+
+    /**
+     * Returns the program version string.
+     *
+     * @return string The version string
+     */
+    public function version();
+
+    // }}}
+}

PEAR2/Console/CommandLine/Renderer/Default.php

@@ -0,0 +1,441 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * PEAR2\Console\CommandLine default renderer.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Renderer_Default implements Renderer
+{
+    // Properties {{{
+
+    /**
+     * Integer that define the max width of the help text.
+     *
+     * @var integer $line_width Line width
+     */
+    public $line_width = 75;
+
+    /**
+     * Integer that define the max width of the help text.
+     *
+     * @var integer $line_width Line width
+     */
+    public $options_on_different_lines = false;
+
+    /**
+     * An instance of PEAR2\Console\CommandLine.
+     *
+     * @var PEAR2\Console\CommandLine $parser The parser
+     */
+    public $parser = false;
+
+    // }}}
+    // __construct() {{{
+
+    /**
+     * Constructor.
+     *
+     * @param object $parser A PEAR2\Console\CommandLine instance
+     *
+     * @return void
+     */
+    public function __construct($parser = false)
+    {
+        $this->parser = $parser;
+    }
+
+    // }}}
+    // usage() {{{
+
+    /**
+     * Returns the full usage message.
+     *
+     * @return string The usage message
+     */
+    public function usage()
+    {
+        $ret = '';
+        if (!empty($this->parser->description)) {
+            $ret .= $this->description() . "\n\n";
+        }
+        $ret .= $this->usageLine() . "\n";
+        if (count($this->parser->commands) > 0) {
+            $ret .= $this->commandUsageLine() . "\n";
+        }
+        if (count($this->parser->options) > 0) {
+            $ret .= "\n" . $this->optionList() . "\n";
+        }
+        if (count($this->parser->args) > 0) {
+            $ret .= "\n" . $this->argumentList() . "\n";
+        }
+        if (count($this->parser->commands) > 0) {
+            $ret .= "\n" . $this->commandList() . "\n";
+        }
+        $ret .= "\n";
+        return $ret;
+    }
+    // }}}
+    // error() {{{
+
+    /**
+     * Returns a formatted error message.
+     *
+     * @param string $error The error message to format
+     *
+     * @return string The error string
+     */
+    public function error($error)
+    {
+        $ret = 'Error: ' . $error . "\n";
+        if ($this->parser->add_help_option) {
+            $name = $this->name();
+            $ret .= $this->wrap(
+                $this->parser->message_provider->get(
+                    'PROG_HELP_LINE',
+                    array('progname' => $name)
+                )
+            ) . "\n";
+            if (count($this->parser->commands) > 0) {
+                $ret .= $this->wrap(
+                    $this->parser->message_provider->get(
+                        'COMMAND_HELP_LINE',
+                        array('progname' => $name)
+                    )
+                ) . "\n";
+            }
+        }
+        return $ret;
+    }
+
+    // }}}
+    // version() {{{
+
+    /**
+     * Returns the program version string.
+     *
+     * @return string The version string
+     */
+    public function version()
+    {
+        return $this->parser->message_provider->get(
+            'PROG_VERSION_LINE',
+            array(
+                'progname' => $this->name(),
+                'version'  => $this->parser->version
+            )
+        ) . "\n";
+    }
+
+    // }}}
+    // name() {{{
+
+    /**
+     * Returns the full name of the program or the sub command
+     *
+     * @return string The name of the program
+     */
+    protected function name()
+    {
+        $name   = $this->parser->name;
+        $parent = $this->parser->parent;
+        while ($parent) {
+            if (count($parent->options) > 0) {
+                $name = '['
+                    . strtolower(
+                        $this->parser->message_provider->get(
+                            'OPTION_WORD',
+                            array('plural' => 's')
+                        )
+                    ) . '] ' . $name;
+            }
+            $name = $parent->name . ' ' . $name;
+            $parent = $parent->parent;
+        }
+        return $this->wrap($name);
+    }
+
+    // }}}
+    // description() {{{
+
+    /**
+     * Returns the command line description message.
+     *
+     * @return string The description message
+     */
+    protected function description()
+    {
+        return $this->wrap($this->parser->description);
+    }
+
+    // }}}
+    // usageLine() {{{
+
+    /**
+     * Returns the command line usage message
+     *
+     * @return string the usage message
+     */
+    protected function usageLine()
+    {
+        $usage = $this->parser->message_provider->get('USAGE_WORD') . ":\n";
+        $ret   = $usage . '  ' . $this->name();
+        if (count($this->parser->options) > 0) {
+            $ret .= ' ['
+                . strtolower($this->parser->message_provider->get('OPTION_WORD'))
+                . ']';
+        }
+        if (count($this->parser->args) > 0) {
+            foreach ($this->parser->args as $name=>$arg) {
+                $arg_str = $arg->help_name;
+                if ($arg->multiple) {
+                    $arg_str .= '1 ' . $arg->help_name . '2 ...';
+                }
+                if ($arg->optional) {
+                    $arg_str = '[' . $arg_str . ']';
+                }
+                $ret .= ' ' . $arg_str;
+            }
+        }
+        return $this->columnWrap($ret, 2);
+    }
+
+    // }}}
+    // commandUsageLine() {{{
+
+    /**
+     * Returns the command line usage message for subcommands.
+     *
+     * @return string The usage line
+     */
+    protected function commandUsageLine()
+    {
+        if (count($this->parser->commands) == 0) {
+            return '';
+        }
+        $ret = '  ' . $this->name();
+        if (count($this->parser->options) > 0) {
+            $ret .= ' ['
+                . strtolower($this->parser->message_provider->get('OPTION_WORD'))
+                . ']';
+        }
+        $ret       .= " <command>";
+        $hasArgs    = false;
+        $hasOptions = false;
+        foreach ($this->parser->commands as $command) {
+            if (!$hasArgs && count($command->args) > 0) {
+                $hasArgs = true;
+            }
+            if (!$hasOptions && ($command->add_help_option
+                || $command->add_version_option
+                || count($command->options) > 0)
+            ) {
+                $hasOptions = true;
+            }
+        }
+        if ($hasOptions) {
+            $ret .= ' [options]';
+        }
+        if ($hasArgs) {
+            $ret .= ' [args]';
+        }
+        return $this->columnWrap($ret, 2);
+    }
+
+    // }}}
+    // argumentList() {{{
+
+    /**
+     * Render the arguments list that will be displayed to the user, you can
+     * override this method if you want to change the look of the list.
+     *
+     * @return string The formatted argument list
+     */
+    protected function argumentList()
+    {
+        $col  = 0;
+        $args = array();
+        foreach ($this->parser->args as $arg) {
+            $argstr = '  ' . $arg->toString();
+            $args[] = array($argstr, $arg->description);
+            $ln     = strlen($argstr);
+            if ($col < $ln) {
+                $col = $ln;
+            }
+        }
+        $ret = $this->parser->message_provider->get('ARGUMENT_WORD') . ":";
+        foreach ($args as $arg) {
+            $text = str_pad($arg[0], $col) . '  ' . $arg[1];
+            $ret .= "\n" . $this->columnWrap($text, $col+2);
+        }
+        return $ret;
+    }
+
+    // }}}
+    // optionList() {{{
+
+    /**
+     * Render the options list that will be displayed to the user, you can
+     * override this method if you want to change the look of the list.
+     *
+     * @return string The formatted option list
+     */
+    protected function optionList()
+    {
+        $col     = 0;
+        $options = array();
+        foreach ($this->parser->options as $option) {
+            $delim    = $this->options_on_different_lines ? "\n" : ', ';
+            $optstr   = $option->toString($delim);
+            $lines    = explode("\n", $optstr);
+            $lines[0] = '  ' . $lines[0];
+            if (count($lines) > 1) {
+                $lines[1] = '  ' . $lines[1];
+                $ln       = strlen($lines[1]);
+            } else {
+                $ln = strlen($lines[0]);
+            }
+            $options[] = array($lines, $option->description);
+            if ($col < $ln) {
+                $col = $ln;
+            }
+        }
+        $ret = $this->parser->message_provider->get('OPTION_WORD') . ":";
+        foreach ($options as $option) {
+            if (count($option[0]) > 1) {
+                $text = str_pad($option[0][1], $col) . '  ' . $option[1];
+                $pre  = $option[0][0] . "\n";
+            } else {
+                $text = str_pad($option[0][0], $col) . '  ' . $option[1];
+                $pre  = '';
+            }
+            $ret .= "\n" . $pre . $this->columnWrap($text, $col+2);
+        }
+        return $ret;
+    }
+
+    // }}}
+    // commandList() {{{
+
+    /**
+     * Render the command list that will be displayed to the user, you can
+     * override this method if you want to change the look of the list.
+     *
+     * @return string The formatted subcommand list
+     */
+    protected function commandList()
+    {
+
+        $commands = array();
+        $col      = 0;
+        foreach ($this->parser->commands as $cmdname=>$command) {
+            $cmdname    = '  ' . $cmdname;
+            $commands[] = array($cmdname, $command->description, $command->aliases);
+            $ln         = strlen($cmdname);
+            if ($col < $ln) {
+                $col = $ln;
+            }
+        }
+        $ret = $this->parser->message_provider->get('COMMAND_WORD') . ":";
+        foreach ($commands as $command) {
+            $text = str_pad($command[0], $col) . '  ' . $command[1];
+            if ($aliasesCount = count($command[2])) {
+                $pad = '';
+                $text .= ' (';
+                $text .= $aliasesCount > 1 ? 'aliases: ' : 'alias: ';
+                foreach ($command[2] as $alias) {
+                    $text .= $pad . $alias;
+                    $pad   = ', ';
+                }
+                $text .= ')';
+            }
+            $ret .= "\n" . $this->columnWrap($text, $col+2);
+        }
+        return $ret;
+    }
+
+    // }}}
+    // wrap() {{{
+
+    /**
+     * Wraps the text passed to the method.
+     *
+     * @param string $text The text to wrap
+     * @param int    $lw   The column width (defaults to line_width property)
+     *
+     * @return string The wrapped text
+     */
+    protected function wrap($text, $lw=null)
+    {
+        if ($this->line_width > 0) {
+            if ($lw === null) {
+                $lw = $this->line_width;
+            }
+            return wordwrap($text, $lw, "\n", false);
+        }
+        return $text;
+    }
+
+    // }}}
+    // columnWrap() {{{
+
+    /**
+     * Wraps the text passed to the method at the specified width.
+     *
+     * @param string $text The text to wrap
+     * @param int    $cw   The wrap width
+     *
+     * @return string The wrapped text
+     */
+    protected function columnWrap($text, $cw)
+    {
+        $tokens = explode("\n", $this->wrap($text));
+        $ret    = $tokens[0];
+        $text   = trim(substr($text, strlen($ret)));
+        if (empty($text)) {
+            return $ret;
+        }
+
+        $chunks = $this->wrap($text, $this->line_width - $cw);
+        $tokens = explode("\n", $chunks);
+        foreach ($tokens as $token) {
+            if (!empty($token)) {
+                $ret .= "\n" . str_repeat(' ', $cw) . $token;
+            } else {
+                $ret .= "\n";
+            }
+        }
+        return $ret;
+    }
+
+    // }}}
+}

PEAR2/Console/CommandLine/Result.php

@@ -0,0 +1,72 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+/**
+ * A lightweight class to store the result of the command line parsing.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class Result
+{
+    // Public properties {{{
+
+    /**
+     * The result options associative array.
+     * Key is the name of the option and value its value.
+     *
+     * @var array $options Result options array
+     */
+    public $options = array();
+
+    /**
+     * The result arguments array.
+     *
+     * @var array $args Result arguments array
+     */
+    public $args = array();
+
+    /**
+     * Name of the command invoked by the user, false if no command invoked.
+     *
+     * @var string $command_name Result command name
+     */
+    public $command_name = false;
+
+    /**
+     * A result instance for the subcommand.
+     *
+     * @var static $command Result instance for the subcommand
+     */
+    public $command = false;
+
+    // }}}
+}

PEAR2/Console/CommandLine/XmlParser.php

@@ -0,0 +1,303 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * This file is part of the PEAR2\Console\CommandLine package.
+ *
+ * PHP version 5
+ *
+ * LICENSE: This source file is subject to the MIT license that is available
+ * through the world-wide-web at the following URI:
+ * http://opensource.org/licenses/mit-license.php
+ *
+ * @category  Console 
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License 
+ * @version   0.2.1
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     File available since release 0.1.0
+ * @filesource
+ */
+
+namespace PEAR2\Console\CommandLine;
+
+use PEAR2\Console\CommandLine;
+
+/**
+ * Parser for command line xml definitions.
+ *
+ * @category  Console
+ * @package   PEAR2\Console\CommandLine
+ * @author    David JEAN LOUIS <izimobil@gmail.com>
+ * @copyright 2007-2009 David JEAN LOUIS
+ * @license   http://opensource.org/licenses/mit-license.php MIT License
+ * @link      http://pear2.php.net/PEAR2_Console_CommandLine
+ * @since     Class available since release 0.1.0
+ */
+class XmlParser
+{
+    // parse() {{{
+
+    /**
+     * Parses the given xml definition file and returns a
+     * PEAR2\Console\CommandLine instance constructed with the xml data.
+     *
+     * @param string $xmlfile The xml file to parse
+     *
+     * @return PEAR2\Console\CommandLine A parser instance
+     */
+    public static function parse($xmlfile) 
+    {
+        if (!is_readable($xmlfile)) {
+            CommandLine::triggerError(
+                'invalid_xml_file',
+                E_USER_ERROR,
+                array('{$file}' => $xmlfile)
+            );
+        }
+        $doc = new \DomDocument();
+        $doc->load($xmlfile);
+        self::validate($doc);
+        $nodes = $doc->getElementsByTagName('command');
+        $root  = $nodes->item(0);
+        return self::_parseCommandNode($root, true);
+    }
+
+    // }}}
+    // parseString() {{{
+
+    /**
+     * Parses the given xml definition string and returns a
+     * PEAR2\Console\CommandLine instance constructed with the xml data.
+     *
+     * @param string $xmlstr The xml string to parse
+     *
+     * @return PEAR2\Console\CommandLine A parser instance
+     */
+    public static function parseString($xmlstr) 
+    {
+        $doc = new \DomDocument();
+        $doc->loadXml($xmlstr);
+        self::validate($doc);
+        $nodes = $doc->getElementsByTagName('command');
+        $root  = $nodes->item(0);
+        return self::_parseCommandNode($root, true);
+    }
+
+    // }}}
+    // validate() {{{
+
+    /**
+     * Validates the xml definition using Relax NG.
+     *
+     * @param DomDocument $doc The document to validate
+     *
+     * @return boolean Whether the xml data is valid or not.
+     * @throws PEAR2\Console\CommandLine\Exception
+     * @todo use exceptions only
+     */
+    public static function validate($doc) 
+    {
+        $rngfile = __DIR__
+            . '/../../../../data/pear2.php.net/PEAR2_Console_CommandLine/xmlschema.rng';
+        if (!is_file($rngfile)) {
+            $rngfile = __DIR__ . '/../../../../data/xmlschema.rng'; 
+        }
+        if (!is_readable($rngfile)) {
+            CommandLine::triggerError(
+                'invalid_xml_file',
+                E_USER_ERROR, 
+                array('{$file}' => $rngfile)
+            );
+        }
+        return $doc->relaxNGValidate($rngfile);
+    }
+
+    // }}}
+    // _parseCommandNode() {{{
+
+    /**
+     * Parses the root command node or a command node and returns the
+     * constructed PEAR2\Console\CommandLine or PEAR2\Console\CommandLine_Command
+     * instance.
+     *
+     * @param DomDocumentNode $node       The node to parse
+     * @param bool            $isRootNode Whether it is a root node or not
+     *
+     * @return mixed PEAR2\Console\CommandLine or PEAR2\Console\CommandLine_Command
+     */
+    private static function _parseCommandNode($node, $isRootNode = false) 
+    {
+        if ($isRootNode) { 
+            $obj = new CommandLine();
+        } else {
+            $obj = new CommandLine\Command();
+        }
+        foreach ($node->childNodes as $cNode) {
+            $cNodeName = $cNode->nodeName;
+            switch ($cNodeName) {
+            case 'name':
+            case 'description':
+            case 'version':
+                $obj->$cNodeName = trim($cNode->nodeValue);
+                break;
+            case 'add_help_option':
+            case 'add_version_option':
+            case 'force_posix':
+                $obj->$cNodeName = self::_bool(trim($cNode->nodeValue));
+                break;
+            case 'option':
+                $obj->addOption(self::_parseOptionNode($cNode));
+                break;
+            case 'argument':
+                $obj->addArgument(self::_parseArgumentNode($cNode));
+                break;
+            case 'command':
+                $obj->addCommand(self::_parseCommandNode($cNode));
+                break;
+            case 'aliases':
+                if (!$isRootNode) {
+                    foreach ($cNode->childNodes as $subChildNode) {
+                        if ($subChildNode->nodeName == 'alias') {
+                            $obj->aliases[] = trim($subChildNode->nodeValue);
+                        }
+                    }
+                }
+                break;
+            case 'messages':
+                $obj->messages = self::_messages($cNode);
+                break;
+            default:
+                break;
+            }
+        }
+        return $obj;
+    }
+
+    // }}}
+    // _parseOptionNode() {{{
+
+    /**
+     * Parses an option node and returns the constructed
+     * PEAR2\Console\CommandLine_Option instance.
+     *
+     * @param DomDocumentNode $node The node to parse
+     *
+     * @return PEAR2\Console\CommandLine\Option The built option
+     */
+    private static function _parseOptionNode($node) 
+    {
+        $obj = new CommandLine\Option($node->getAttribute('name'));
+        foreach ($node->childNodes as $cNode) {
+            $cNodeName = $cNode->nodeName;
+            switch ($cNodeName) {
+            case 'choices':
+                foreach ($cNode->childNodes as $subChildNode) {
+                    if ($subChildNode->nodeName == 'choice') {
+                        $obj->choices[] = trim($subChildNode->nodeValue);
+                    }
+                }
+                break;
+            case 'messages':
+                $obj->messages = self::_messages($cNode);
+                break;
+            default:
+                if (property_exists($obj, $cNodeName)) {
+                    $obj->$cNodeName = trim($cNode->nodeValue);
+                }
+                break;
+            }
+        }
+        if ($obj->action == 'Password') {
+            $obj->argument_optional = true;
+        }
+        return $obj;
+    }
+
+    // }}}
+    // _parseArgumentNode() {{{
+
+    /**
+     * Parses an argument node and returns the constructed 
+     * PEAR2\Console\CommandLine_Argument instance.
+     *
+     * @param DomDocumentNode $node The node to parse
+     *
+     * @return PEAR2\Console\CommandLine\Argument The built argument
+     */
+    private static function _parseArgumentNode($node) 
+    {
+        $obj = new CommandLine\Argument($node->getAttribute('name'));
+        foreach ($node->childNodes as $cNode) {
+            $cNodeName = $cNode->nodeName;
+            switch ($cNodeName) {
+            case 'description':
+            case 'help_name':
+            case 'default':
+                $obj->$cNodeName = trim($cNode->nodeValue);
+                break;
+            case 'multiple':
+                $obj->multiple = self::_bool(trim($cNode->nodeValue));
+                break;
+            case 'optional':
+                $obj->optional = self::_bool(trim($cNode->nodeValue));
+                break;
+            case 'messages':
+                $obj->messages = self::_messages($cNode);
+                break;
+            default:
+                break;
+            }
+        }
+        return $obj;
+    }
+
+    // }}}
+    // _bool() {{{
+
+    /**
+     * Returns a boolean according to true/false possible strings.
+     * 
+     * @param string $str The string to process
+     *
+     * @return boolean
+     */
+    private static function _bool($str)
+    {
+        return in_array((string)$str, array('true', '1', 'on', 'yes'));
+    }
+
+    // }}}
+    // _messages() {{{
+
+    /**
+     * Returns an array of custom messages for the element
+     *
+     * @param DOMNode $node The messages node to process
+     *
+     * @return array an array of messages
+     *
+     * @see PEAR2\Console\CommandLine::$messages
+     * @see PEAR2\Console\CommandLine_Element::$messages
+     */
+    private static function _messages(DOMNode $node)
+    {
+        $messages = array();
+
+        foreach ($node->childNodes as $cNode) {
+            if ($cNode->nodeType == XML_ELEMENT_NODE) {
+                $name  = $cNode->getAttribute('name');
+                $value = trim($cNode->nodeValue);
+
+                $messages[$name] = $value;
+            }
+        }
+
+        return $messages;
+    }
+
+    // }}}
+}

PEAR2/Net/RouterOS/Client.php

@@ -0,0 +1,819 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Refers to transmitter direction constants.
+ */
+use PEAR2\Net\Transmitter\Stream as S;
+
+/**
+ * Refers to the cryptography constants.
+ */
+use PEAR2\Net\Transmitter\NetworkStream as N;
+
+/**
+ * Catches arbitrary exceptions at some points.
+ */
+use Exception as E;
+
+/**
+ * A RouterOS client.
+ * 
+ * Provides functionality for easily communicating with a RouterOS host.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class Client
+{
+    /**
+     * Used in {@link static::isRequestActive()} to limit search only to
+     * requests that have a callback.
+     */
+    const FILTER_CALLBACK = 1;
+    /**
+     * Used in {@link static::isRequestActive()} to limit search only to
+     * requests that use the buffer.
+     */
+    const FILTER_BUFFER = 2;
+    /**
+     * Used in {@link static::isRequestActive()} to indicate no limit in search.
+     */
+    const FILTER_ALL = 3;
+
+    /**
+     * @var Communicator The communicator for this client.
+     */
+    protected $com;
+
+    /**
+     * @var int The number of currently pending requests.
+     */
+    protected $pendingRequestsCount = 0;
+
+    /**
+     * @var array An array of responses that have not yet been extracted or
+     *     passed to a callback. Key is the tag of the request, and the value
+     *     is an array of associated responses.
+     */
+    protected $responseBuffer = array();
+
+    /**
+     * @var array An array of callbacks to be executed as responses come.
+     *     Key is the tag of the request, and the value is the callback for it.
+     */
+    protected $callbacks = array();
+    
+    /**
+     * @var Registry A registry for the operations. Particularly helpful at
+     *     persistent connections.
+     */
+    protected $registry = null;
+
+    /**
+     * @var bool Whether to stream future responses.
+     */
+    private $_streamingResponses = false;
+
+    /**
+     * Creates a new instance of a RouterOS API client.
+     * 
+     * Creates a new instance of a RouterOS API client with the specified
+     * settings.
+     * 
+     * @param string   $host     Hostname (IP or domain) of the RouterOS server.
+     * @param string   $username The RouterOS username.
+     * @param string   $password The RouterOS password.
+     * @param int|null $port     The port on which the RouterOS server provides
+     *     the API service. You can also specify NULL, in which case the port
+     *     will automatically be chosen between 8728 and 8729, depending on the
+     *     value of $crypto.
+     * @param bool     $persist  Whether or not the connection should be a
+     *     persistent one.
+     * @param float    $timeout  The timeout for the connection.
+     * @param string   $crypto   The encryption for this connection. Must be one
+     *     of the PEAR2\Net\Transmitter\NetworkStream::CRYPTO_* constants. Off
+     *     by default. RouterOS currently supports only TLS, but the setting is
+     *     provided in this fashion for forward compatibility's sake. And for
+     *     the sake of simplicity, if you specify an encryption, don't specify a
+     *     context and your default context uses the value "DEFAULT" for
+     *     ciphers, "ADH" will be automatically added to the list of ciphers.
+     * @param resource $context  A context for the socket.
+     * 
+     * @see sendSync()
+     * @see sendAsync()
+     */
+    public function __construct(
+        $host,
+        $username,
+        $password = '',
+        $port = 8728,
+        $persist = false,
+        $timeout = null,
+        $crypto = N::CRYPTO_OFF,
+        $context = null
+    ) {
+        $this->com = new Communicator(
+            $host,
+            $port,
+            $persist,
+            $timeout,
+            $username . '/' . $password,
+            $crypto,
+            $context
+        );
+        $timeout = null == $timeout
+            ? ini_get('default_socket_timeout')
+            : (int) $timeout;
+        //Login the user if necessary
+        if ((!$persist
+            || !($old = $this->com->getTransmitter()->lock(S::DIRECTION_ALL)))
+            && $this->com->getTransmitter()->isFresh()
+        ) {
+            if (!static::login($this->com, $username, $password, $timeout)) {
+                $this->com->close();
+                throw new DataFlowException(
+                    'Invalid username or password supplied.',
+                    DataFlowException::CODE_INVALID_CREDENTIALS
+                );
+            }
+        }
+        
+        if (isset($old)) {
+            $this->com->getTransmitter()->lock($old, true);
+        }
+        
+        if ($persist) {
+            $this->registry = new Registry("{$host}:{$port}/{$username}");
+        }
+    }
+    
+    /**
+     * A shorthand gateway.
+     * 
+     * This is a magic PHP method that allows you to call the object as a
+     * function. Depending on the argument given, one of the other functions in
+     * the class is invoked and its returned value is returned by this function.
+     * 
+     * @param mixed $arg Value can be either a {@link Request} to send, which
+     *     would be sent asynchoniously if it has a tag, and synchroniously if
+     *     not, a number to loop with or NULL to complete all pending requests.
+     *     Any other value is converted to string and treated as the tag of a
+     *     request to complete.
+     * 
+     * @return mixed Whatever the long form function would have returned.
+     */
+    public function __invoke($arg = null)
+    {
+        if (is_int($arg) || is_double($arg)) {
+            return $this->loop($arg);
+        } elseif ($arg instanceof Request) {
+            return '' == $arg->getTag() ? $this->sendSync($arg)
+                : $this->sendAsync($arg);
+        } elseif (null === $arg) {
+            return $this->completeRequest();
+        }
+        return $this->completeRequest((string) $arg);
+    }
+
+    /**
+     * Login to a RouterOS connection.
+     * 
+     * @param Communicator $com      The communicator to attempt to login to.
+     * @param string       $username The RouterOS username.
+     * @param string       $password The RouterOS password.
+     * @param int|null     $timeout  The time to wait for each response. NULL
+     *     waits indefinetly.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function login(
+        Communicator $com,
+        $username,
+        $password = '',
+        $timeout = null
+    ) {
+        if (null !== ($remoteCharset = $com->getCharset($com::CHARSET_REMOTE))
+            && null !== ($localCharset = $com->getCharset($com::CHARSET_LOCAL))
+        ) {
+            $password = iconv(
+                $localCharset,
+                $remoteCharset . '//IGNORE//TRANSLIT',
+                $password
+            );
+        }
+        $old = null;
+        try {
+            if ($com->getTransmitter()->isPersistent()) {
+                $old = $com->getTransmitter()->lock(S::DIRECTION_ALL);
+                $result = self::_login($com, $username, $password, $timeout);
+                $com->getTransmitter()->lock($old, true);
+                return $result;
+            }
+            return self::_login($com, $username, $password, $timeout);
+        } catch (E $e) {
+            if ($com->getTransmitter()->isPersistent() && null !== $old) {
+                $com->getTransmitter()->lock($old, true);
+            }
+            throw ($e instanceof NotSupportedException
+            || $e instanceof UnexpectedValueException
+            || !$com->getTransmitter()->isDataAwaiting()) ? new SocketException(
+                'This is not a compatible RouterOS service',
+                SocketException::CODE_SERVICE_INCOMPATIBLE,
+                $e
+            ) : $e;
+        }
+    }
+
+    /**
+     * Login to a RouterOS connection.
+     * 
+     * This is the actual login procedure, applied regardless of persistence and
+     * charset settings.
+     * 
+     * @param Communicator $com      The communicator to attempt to login to.
+     * @param string       $username The RouterOS username.
+     * @param string       $password The RouterOS password. Potentially parsed
+     *     already by iconv.
+     * @param int|null     $timeout  The time to wait for each response. NULL
+     *     waits indefinetly.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    private static function _login(
+        Communicator $com,
+        $username,
+        $password = '',
+        $timeout = null
+    ) {
+        $request = new Request('/login');
+        $request->send($com);
+        $response = new Response($com, false, $timeout);
+        $request->setArgument('name', $username);
+        $request->setArgument(
+            'response',
+            '00' . md5(
+                chr(0) . $password
+                . pack('H*', $response->getProperty('ret'))
+            )
+        );
+        $request->send($com);
+        $response = new Response($com, false, $timeout);
+        return $response->getType() === Response::TYPE_FINAL
+            && null === $response->getProperty('ret');
+    }
+    
+    /**
+     * Sets the charset(s) for this connection.
+     * 
+     * Sets the charset(s) for this connection. The specified charset(s) will be
+     * used for all future requests and responses. When sending,
+     * {@link Communicator::CHARSET_LOCAL} is converted to
+     * {@link Communicator::CHARSET_REMOTE}, and when receiving,
+     * {@link Communicator::CHARSET_REMOTE} is converted to
+     * {@link Communicator::CHARSET_LOCAL}. Setting NULL to either charset will
+     * disable charset convertion, and data will be both sent and received "as
+     * is".
+     * 
+     * @param mixed $charset     The charset to set. If $charsetType is
+     *     {@link Communicator::CHARSET_ALL}, you can supply either a string to
+     *     use for all charsets, or an array with the charset types as keys, and
+     *     the charsets as values.
+     * @param int   $charsetType Which charset to set. Valid values are the
+     *     Communicator::CHARSET_* constants. Any other value is treated as
+     *     {@link Communicator::CHARSET_ALL}.
+     * 
+     * @return string|array The old charset. If $charsetType is
+     *     {@link Communicator::CHARSET_ALL}, the old values will be returned as
+     *     an array with the types as keys, and charsets as values.
+     * @see Communicator::setDefaultCharset()
+     */
+    public function setCharset(
+        $charset,
+        $charsetType = Communicator::CHARSET_ALL
+    ) {
+        return $this->com->setCharset($charset, $charsetType);
+    }
+    
+    /**
+     * Gets the charset(s) for this connection.
+     * 
+     * @param int $charsetType Which charset to get. Valid values are the
+     *     Communicator::CHARSET_* constants. Any other value is treated as
+     *     {@link Communicator::CHARSET_ALL}.
+     * 
+     * @return string|array The current charset. If $charsetType is
+     *     {@link Communicator::CHARSET_ALL}, the current values will be
+     *     returned as an array with the types as keys, and charsets as values.
+     * @see setCharset()
+     */
+    public function getCharset($charsetType)
+    {
+        return $this->com->getCharset($charsetType);
+    }
+
+    /**
+     * Sends a request and waits for responses.
+     * 
+     * @param Request  $request  The request to send.
+     * @param callback $callback Optional. A function that is to be executed
+     *     when new responses for this request are available. The callback takes
+     *     two parameters. The {@link Response} object as the first, and the
+     *     {@link Client} object as the second one. If the function returns
+     *     TRUE, the request is canceled. Note that the callback may be executed
+     *     one last time after that with a response that notifies about the
+     *     canceling.
+     * 
+     * @return $this The client object.
+     * @see completeRequest()
+     * @see loop()
+     * @see cancelRequest()
+     */
+    public function sendAsync(Request $request, $callback = null)
+    {
+        //Error checking
+        $tag = $request->getTag();
+        if ('' == $tag) {
+            throw new DataFlowException(
+                'Asynchonous commands must have a tag.',
+                DataFlowException::CODE_TAG_REQUIRED
+            );
+        }
+        if ($this->isRequestActive($tag)) {
+            throw new DataFlowException(
+                'There must not be multiple active requests sharing a tag.',
+                DataFlowException::CODE_TAG_UNIQUE
+            );
+        }
+        if (null !== $callback && !is_callable($callback, true)) {
+            throw new UnexpectedValueException(
+                'Invalid callback provided.',
+                UnexpectedValueException::CODE_CALLBACK_INVALID
+            );
+        }
+        
+        $this->send($request);
+
+        if (null === $callback) {
+            //Register the request at the buffer
+            $this->responseBuffer[$tag] = array();
+        } else {
+            //Prepare the callback
+            $this->callbacks[$tag] = $callback;
+        }
+        return $this;
+    }
+
+    /**
+     * Checks if a request is active.
+     * 
+     * Checks if a request is active. A request is considered active if it's a
+     * pending request and/or has responses that are not yet extracted.
+     * 
+     * @param string $tag    The tag of the request to look for.
+     * @param int    $filter One of the FILTER_* consntants. Limits the search
+     *     to the specified places.
+     * 
+     * @return bool TRUE if the request is active, FALSE otherwise.
+     * @see getPendingRequestsCount()
+     * @see completeRequest()
+     */
+    public function isRequestActive($tag, $filter = self::FILTER_ALL)
+    {
+        $result = 0;
+        if ($filter & self::FILTER_CALLBACK) {
+            $result |= (int) array_key_exists($tag, $this->callbacks);
+        }
+        if ($filter & self::FILTER_BUFFER) {
+            $result |= (int) array_key_exists($tag, $this->responseBuffer);
+        }
+        return 0 !== $result;
+    }
+
+    /**
+     * Sends a request and gets the full response.
+     * 
+     * @param Request $request The request to send.
+     * 
+     * @return ResponseCollection The received responses as a collection.
+     * @see sendAsync()
+     * @see close()
+     */
+    public function sendSync(Request $request)
+    {
+        $tag = $request->getTag();
+        if ('' == $tag) {
+            $this->send($request);
+        } else {
+            $this->sendAsync($request);
+        }
+        return $this->completeRequest($tag);
+    }
+
+    /**
+     * Completes a specified request.
+     * 
+     * Starts an event loop for the RouterOS callbacks and finishes when a
+     * specified request is completed.
+     * 
+     * @param string $tag The tag of the request to complete. Setting NULL
+     *     completes all requests.
+     * 
+     * @return ResponseCollection A collection of {@link Response} objects that
+     *     haven't been passed to a callback function or previously extracted
+     *     with {@link static::extractNewResponses()}. Returns an empty
+     *     collection when $tag is set to NULL (responses can still be
+     *     extracted).
+     */
+    public function completeRequest($tag = null)
+    {
+        $hasNoTag = '' == $tag;
+        $result = $hasNoTag ? array()
+            : $this->extractNewResponses($tag)->toArray();
+        while ((!$hasNoTag && $this->isRequestActive($tag))
+        || ($hasNoTag && 0 !== $this->getPendingRequestsCount())
+        ) {
+            $newReply = $this->dispatchNextResponse(null);
+            if ($newReply->getTag() === $tag) {
+                if ($hasNoTag) {
+                    $result[] = $newReply;
+                }
+                if ($newReply->getType() === Response::TYPE_FINAL) {
+                    if (!$hasNoTag) {
+                        $result = array_merge(
+                            $result,
+                            $this->isRequestActive($tag)
+                            ? $this->extractNewResponses($tag)->toArray()
+                            : array()
+                        );
+                    }
+                    break;
+                }
+            }
+        }
+        return new ResponseCollection($result);
+    }
+
+    /**
+     * Extracts responses for a request.
+     * 
+     * Gets all new responses for a request that haven't been passed to a
+     * callback and clears the buffer from them.
+     * 
+     * @param string $tag The tag of the request to extract new responses for.
+     *     Specifying NULL with extract new responses for all requests.
+     * 
+     * @return ResponseCollection A collection of {@link Response} objects for
+     *     the specified request.
+     * @see loop()
+     */
+    public function extractNewResponses($tag = null)
+    {
+        if (null === $tag) {
+            $result = array();
+            foreach (array_keys($this->responseBuffer) as $tag) {
+                $result = array_merge(
+                    $result,
+                    $this->extractNewResponses($tag)->toArray()
+                );
+            }
+            return new ResponseCollection($result);
+        } elseif ($this->isRequestActive($tag, self::FILTER_CALLBACK)) {
+            return new ResponseCollection(array());
+        } elseif ($this->isRequestActive($tag, self::FILTER_BUFFER)) {
+            $result = $this->responseBuffer[$tag];
+            if (!empty($result)) {
+                if (end($result)->getType() === Response::TYPE_FINAL) {
+                    unset($this->responseBuffer[$tag]);
+                } else {
+                    $this->responseBuffer[$tag] = array();
+                }
+            }
+            return new ResponseCollection($result);
+        } else {
+            throw new DataFlowException(
+                'No such request, or the request has already finished.',
+                DataFlowException::CODE_UNKNOWN_REQUEST
+            );
+        }
+    }
+
+    /**
+     * Starts an event loop for the RouterOS callbacks.
+     * 
+     * Starts an event loop for the RouterOS callbacks and finishes when there
+     * are no more pending requests or when a specified timeout has passed
+     * (whichever comes first).
+     * 
+     * @param int $sTimeout  Timeout for the loop. If NULL, there is no time
+     *     limit.
+     * @param int $usTimeout Microseconds to add to the time limit.
+     * 
+     * @return bool TRUE when there are any more pending requests, FALSE
+     *     otherwise.
+     * @see extractNewResponses()
+     * @see getPendingRequestsCount()
+     */
+    public function loop($sTimeout = null, $usTimeout = 0)
+    {
+        try {
+            if (null === $sTimeout) {
+                while ($this->getPendingRequestsCount() !== 0) {
+                    $this->dispatchNextResponse(null);
+                }
+            } else {
+                list($usStart, $sStart) = explode(' ', microtime());
+                while ($this->getPendingRequestsCount() !== 0
+                    && ($sTimeout >= 0 || $usTimeout >= 0)
+                ) {
+                    $this->dispatchNextResponse($sTimeout, $usTimeout);
+                    list($usEnd, $sEnd) = explode(' ', microtime());
+
+                    $sTimeout -= $sEnd - $sStart;
+                    $usTimeout -= $usEnd - $usStart;
+                    if ($usTimeout <= 0) {
+                        if ($sTimeout > 0) {
+                            $usTimeout = 1000000 + $usTimeout;
+                            $sTimeout--;
+                        }
+                    }
+
+                    $sStart = $sEnd;
+                    $usStart = $usEnd;
+                }
+            }
+        } catch (SocketException $e) {
+            if ($e->getCode() !== SocketException::CODE_NO_DATA) {
+                // @codeCoverageIgnoreStart
+                // It's impossible to reliably cause any other SocketException.
+                // This line is only here in case the unthinkable happens:
+                // The connection terminates just after it was supposedly
+                // about to send back some data.
+                throw $e;
+                // @codeCoverageIgnoreEnd
+            }
+        }
+        return $this->getPendingRequestsCount() !== 0;
+    }
+
+    /**
+     * Gets the number of pending requests.
+     * 
+     * @return int The number of pending requests.
+     * @see isRequestActive()
+     */
+    public function getPendingRequestsCount()
+    {
+        return $this->pendingRequestsCount;
+    }
+
+    /**
+     * Cancels a request.
+     * 
+     * Cancels an active request. Using this function in favor of a plain call
+     * to the "/cancel" command is highly reccomended, as it also updates the
+     * counter of pending requests properly. Note that canceling a request also
+     * removes any responses for it that were not previously extracted with
+     * {@link static::extractNewResponses()}.
+     * 
+     * @param string $tag Tag of the request to cancel. Setting NULL will cancel
+     *     all requests.
+     * 
+     * @return $this The client object.
+     * @see sendAsync()
+     * @see close()
+     */
+    public function cancelRequest($tag = null)
+    {
+        $cancelRequest = new Request('/cancel');
+        $hasTag = !('' == $tag);
+        $hasReg = null !== $this->registry;
+        if ($hasReg && !$hasTag) {
+            $tags = array_merge(
+                array_keys($this->responseBuffer),
+                array_keys($this->callbacks)
+            );
+            $this->registry->setTaglessMode(true);
+            foreach ($tags as $t) {
+                $cancelRequest->setArgument(
+                    'tag',
+                    $this->registry->getOwnershipTag() . $t
+                );
+                $this->sendSync($cancelRequest);
+            }
+            $this->registry->setTaglessMode(false);
+        } else {
+            if ($hasTag) {
+                if ($this->isRequestActive($tag)) {
+                    if ($hasReg) {
+                        $this->registry->setTaglessMode(true);
+                        $cancelRequest->setArgument(
+                            'tag',
+                            $this->registry->getOwnershipTag() . $tag
+                        );
+                    } else {
+                        $cancelRequest->setArgument('tag', $tag);
+                    }
+                } else {
+                    throw new DataFlowException(
+                        'No such request. Canceling aborted.',
+                        DataFlowException::CODE_CANCEL_FAIL
+                    );
+                }
+            }
+            $this->sendSync($cancelRequest);
+            if ($hasReg) {
+                $this->registry->setTaglessMode(false);
+            }
+        }
+
+        if ($hasTag) {
+            if ($this->isRequestActive($tag, self::FILTER_BUFFER)) {
+                $this->responseBuffer[$tag] = $this->completeRequest($tag);
+            } else {
+                $this->completeRequest($tag);
+            }
+        } else {
+            $this->loop();
+        }
+        return $this;
+    }
+
+    /**
+     * Sets response streaming setting.
+     * 
+     * Sets whether future responses are streamed. If responses are streamed,
+     * the argument values are returned as streams instead of strings. This is
+     * particularly useful if you expect a response that may contain one or more
+     * very large words.
+     * 
+     * @param bool $streamingResponses Whether to stream future responses.
+     * 
+     * @return bool The previous value of the setting.
+     * @see isStreamingResponses()
+     */
+    public function setStreamingResponses($streamingResponses)
+    {
+        $oldValue = $this->_streamingResponses;
+        $this->_streamingResponses = (bool) $streamingResponses;
+        return $oldValue;
+    }
+
+    /**
+     * Gets response streaming setting.
+     * 
+     * Gets whether future responses are streamed.
+     * 
+     * @return bool The value of the setting.
+     * @see setStreamingResponses()
+     */
+    public function isStreamingResponses()
+    {
+        return $this->_streamingResponses;
+    }
+
+    /**
+     * Closes the opened connection, even if it is a persistent one.
+     * 
+     * Closes the opened connection, even if it is a persistent one. Note that
+     * {@link static::extractNewResponses()} can still be used to extract
+     * responses collected prior to the closing.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function close()
+    {
+        $result = true;
+        /*
+         * The check below is done because for some unknown reason
+         * (either a PHP or a RouterOS bug) calling "/quit" on an encrypted
+         * connection makes one end hang.
+         * 
+         * Since encrypted connections only appeared in RouterOS 6.1, and
+         * the "/quit" call is needed for all <6.0 versions, problems due
+         * to its absence should be limited to some earlier 6.* versions
+         * on some RouterBOARD devices.
+         */
+        if ($this->com->getTransmitter()->getCrypto() === N::CRYPTO_OFF) {
+            if (null !== $this->registry) {
+                $this->registry->setTaglessMode(true);
+            }
+            try {
+                $response = $this->sendSync(new Request('/quit'));
+                $result = $response[0]->getType() === Response::TYPE_FATAL;
+            } catch (SocketException $e) {
+                $result
+                    = $e->getCode() === SocketException::CODE_REQUEST_SEND_FAIL;
+            } catch (E $e) {
+                //Ignore unknown errors.
+            }
+            if (null !== $this->registry) {
+                $this->registry->setTaglessMode(false);
+            }
+        }
+        $result = $result && $this->com->close();
+        $this->callbacks = array();
+        $this->pendingRequestsCount = 0;
+        return $result;
+    }
+    
+    /**
+     * Closes the connection, unless it's a persistent one.
+     */
+    public function __destruct()
+    {
+        if ($this->com->getTransmitter()->isPersistent()) {
+            if (0 !== $this->pendingRequestsCount) {
+                $this->cancelRequest();
+            }
+        } else {
+            $this->close();
+        }
+    }
+
+    /**
+     * Sends a request to RouterOS.
+     * 
+     * @param Request $request The request to send.
+     * 
+     * @return $this The client object.
+     * @see sendSync()
+     * @see sendAsync()
+     */
+    protected function send(Request $request)
+    {
+        $request->send($this->com, $this->registry);
+        $this->pendingRequestsCount++;
+        return $this;
+    }
+
+    /**
+     * Dispatches the next response in queue.
+     * 
+     * Dispatches the next response in queue, i.e. it executes the associated
+     * callback if there is one, or places the response in the response buffer.
+     * 
+     * @param int $sTimeout  If a response is not immediatly available, wait
+     *     this many seconds. If NULL, wait indefinetly.
+     * @param int $usTimeout Microseconds to add to the waiting time.
+     * 
+     * @throws SocketException When there's no response within the time limit.
+     * @return Response The dispatched response.
+     */
+    protected function dispatchNextResponse($sTimeout = 0, $usTimeout = 0)
+    {
+        $response = new Response(
+            $this->com,
+            $this->_streamingResponses,
+            $sTimeout,
+            $usTimeout,
+            $this->registry
+        );
+        if ($response->getType() === Response::TYPE_FATAL) {
+            $this->pendingRequestsCount = 0;
+            $this->com->close();
+            return $response;
+        }
+
+        $tag = $response->getTag();
+        $isLastForRequest = $response->getType() === Response::TYPE_FINAL;
+        if ($isLastForRequest) {
+            $this->pendingRequestsCount--;
+        }
+
+        if ('' != $tag) {
+            if ($this->isRequestActive($tag, self::FILTER_CALLBACK)) {
+                if ($this->callbacks[$tag]($response, $this)) {
+                    $this->cancelRequest($tag);
+                } elseif ($isLastForRequest) {
+                    unset($this->callbacks[$tag]);
+                }
+            } else {
+                $this->responseBuffer[$tag][] = $response;
+            }
+        }
+        return $response;
+    }
+}

PEAR2/Net/RouterOS/Communicator.php

@@ -0,0 +1,671 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Using transmitters.
+ */
+use PEAR2\Net\Transmitter as T;
+
+/**
+ * A RouterOS communicator.
+ * 
+ * Implementation of the RouterOS API protocol. Unlike the other classes in this
+ * package, this class doesn't provide any conviniences beyond the low level
+ * implementation details (automatic word length encoding/decoding, charset
+ * translation and data integrity), and because of that, its direct usage is
+ * strongly discouraged.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ * @see      Client
+ */
+class Communicator
+{
+    /**
+     * Used when getting/setting all (default) charsets.
+     */
+    const CHARSET_ALL = -1;
+    
+    /**
+     * Used when getting/setting the (default) remote charset.
+     * 
+     * The remote charset is the charset in which RouterOS stores its data.
+     * If you want to keep compatibility with your Winbox, this charset should
+     * match the default charset from your Windows' regional settings.
+     */
+    const CHARSET_REMOTE = 0;
+    
+    /**
+     * Used when getting/setting the (default) local charset.
+     * 
+     * The local charset is the charset in which the data from RouterOS will be
+     * returned as. This charset should match the charset of the place the data
+     * will eventually be written to.
+     */
+    const CHARSET_LOCAL = 1;
+    
+    /**
+     * @var array An array with the default charset types as keys, and the
+     *     default charsets as values.
+     */
+    protected static $defaultCharsets = array(
+        self::CHARSET_REMOTE => null,
+        self::CHARSET_LOCAL  => null
+    );
+    
+    /**
+     * @var array An array with the current charset types as keys, and the
+     * current charsets as values.
+     */
+    protected $charsets = array();
+
+    /**
+     * @var T\TcpClient The transmitter for the connection.
+     */
+    protected $trans;
+
+    /**
+     * Creates a new connection with the specified options.
+     * 
+     * @param string   $host    Hostname (IP or domain) of the RouterOS server.
+     * @param int|null $port    The port on which the RouterOS server provides
+     *     the API service. You can also specify NULL, in which case the port
+     *     will automatically be chosen between 8728 and 8729, depending on the
+     *     value of $crypto.
+     * @param bool     $persist Whether or not the connection should be a
+     *     persistent one.
+     * @param float    $timeout The timeout for the connection.
+     * @param string   $key     A string that uniquely identifies the
+     *     connection.
+     * @param string   $crypto  The encryption for this connection. Must be one
+     *     of the PEAR2\Net\Transmitter\NetworkStream::CRYPTO_* constants. Off
+     *     by default. RouterOS currently supports only TLS, but the setting is
+     *     provided in this fashion for forward compatibility's sake. And for
+     *     the sake of simplicity, if you specify an encryption, don't specify a
+     *     context and your default context uses the value "DEFAULT" for
+     *     ciphers, "ADH" will be automatically added to the list of ciphers.
+     * @param resource $context A context for the socket.
+     * 
+     * @see sendWord()
+     */
+    public function __construct(
+        $host,
+        $port = 8728,
+        $persist = false,
+        $timeout = null,
+        $key = '',
+        $crypto = T\NetworkStream::CRYPTO_OFF,
+        $context = null
+    ) {
+        $isUnencrypted = T\NetworkStream::CRYPTO_OFF === $crypto;
+        if (($context === null) && !$isUnencrypted) {
+            $context = stream_context_get_default();
+            $opts = stream_context_get_options($context);
+            if (!isset($opts['ssl']['ciphers'])
+                || 'DEFAULT' === $opts['ssl']['ciphers']
+            ) {
+                stream_context_set_option($context, 'ssl', 'ciphers', 'ADH');
+            }
+        }
+        // @codeCoverageIgnoreStart
+        // The $port is customizable in testing.
+        if (null === $port) {
+            $port = $isUnencrypted ? 8728 : 8729;
+        }
+        // @codeCoverageIgnoreEnd
+
+        try {
+            $this->trans = new T\TcpClient(
+                $host,
+                $port,
+                $persist,
+                $timeout,
+                $key,
+                $crypto,
+                $context
+            );
+        } catch (T\Exception $e) {
+            throw new SocketException(
+                'Error connecting to RouterOS',
+                SocketException::CODE_CONNECTION_FAIL,
+                $e
+            );
+        }
+        $this->setCharset(
+            self::getDefaultCharset(self::CHARSET_ALL),
+            self::CHARSET_ALL
+        );
+    }
+    
+    /**
+     * A shorthand gateway.
+     * 
+     * This is a magic PHP method that allows you to call the object as a
+     * function. Depending on the argument given, one of the other functions in
+     * the class is invoked and its returned value is returned by this function.
+     * 
+     * @param string $string A string of the word to send, or NULL to get the
+     *     next word as a string.
+     * 
+     * @return int|string If a string is provided, returns the number of bytes
+     *     sent, otherwise retuns the next word as a string.
+     */
+    public function __invoke($string = null)
+    {
+        return null === $string ? $this->getNextWord()
+            : $this->sendWord($string);
+    }
+    
+    /**
+     * Checks whether a variable is a seekable stream resource.
+     * 
+     * @param mixed $var The value to check.
+     * 
+     * @return bool TRUE if $var is a seekable stream, FALSE otherwise.
+     */
+    public static function isSeekableStream($var)
+    {
+        if (T\Stream::isStream($var)) {
+            $meta = stream_get_meta_data($var);
+            return $meta['seekable'];
+        }
+        return false;
+    }
+    
+    /**
+     * Uses iconv to convert a stream from one charset to another.
+     * 
+     * @param string   $inCharset  The charset of the stream.
+     * @param string   $outCharset The desired resulting charset.
+     * @param resource $stream     The stream to convert. The stream is assumed
+     *     to be seekable, and is read from its current position to its end,
+     *     after which, it is seeked back to its starting position.
+     * 
+     * @return resource A new stream that uses the $out_charset. The stream is a
+     *     subset from the original stream, from its current position to its
+     *     end, seeked at its start.
+     */
+    public static function iconvStream($inCharset, $outCharset, $stream)
+    {
+        $bytes = 0;
+        $result = fopen('php://temp', 'r+b');
+        $iconvFilter = stream_filter_append(
+            $result,
+            'convert.iconv.' . $inCharset . '.' . $outCharset,
+            STREAM_FILTER_WRITE
+        );
+        
+        flock($stream, LOCK_SH);
+        while (!feof($stream)) {
+            $bytes += stream_copy_to_stream($stream, $result, 0xFFFFF);
+        }
+        fseek($stream, -$bytes, SEEK_CUR);
+        flock($stream, LOCK_UN);
+        
+        stream_filter_remove($iconvFilter);
+        rewind($result);
+        return $result;
+    }
+    
+    /**
+     * Sets the default charset(s) for new connections.
+     * 
+     * @param mixed $charset     The charset to set. If $charsetType is
+     *     {@link self::CHARSET_ALL}, you can supply either a string to use for
+     *     all charsets, or an array with the charset types as keys, and the
+     *     charsets as values.
+     * @param int   $charsetType Which charset to set. Valid values are the
+     *     CHARSET_* constants. Any other value is treated as
+     *     {@link self::CHARSET_ALL}.
+     * 
+     * @return string|array The old charset. If $charsetType is
+     *     {@link self::CHARSET_ALL}, the old values will be returned as an
+     *     array with the types as keys, and charsets as values.
+     * @see setCharset()
+     */
+    public static function setDefaultCharset(
+        $charset,
+        $charsetType = self::CHARSET_ALL
+    ) {
+        if (array_key_exists($charsetType, self::$defaultCharsets)) {
+             $oldCharset = self::$defaultCharsets[$charsetType];
+             self::$defaultCharsets[$charsetType] = $charset;
+             return $oldCharset;
+        } else {
+            $oldCharsets = self::$defaultCharsets;
+            self::$defaultCharsets = is_array($charset) ? $charset : array_fill(
+                0,
+                count(self::$defaultCharsets),
+                $charset
+            );
+            return $oldCharsets;
+        }
+    }
+    
+    /**
+     * Gets the default charset(s).
+     * 
+     * @param int $charsetType Which charset to get. Valid values are the
+     *     CHARSET_* constants. Any other value is treated as
+     *     {@link self::CHARSET_ALL}.
+     * 
+     * @return string|array The current charset. If $charsetType is
+     *     {@link self::CHARSET_ALL}, the current values will be returned as an
+     *     array with the types as keys, and charsets as values.
+     * @see setDefaultCharset()
+     */
+    public static function getDefaultCharset($charsetType)
+    {
+        return array_key_exists($charsetType, self::$defaultCharsets)
+            ? self::$defaultCharsets[$charsetType] : self::$defaultCharsets;
+    }
+
+    /**
+     * Gets the length of a seekable stream.
+     * 
+     * Gets the length of a seekable stream.
+     * 
+     * @param resource $stream The stream to check. The stream is assumed to be
+     *     seekable.
+     * 
+     * @return double The number of bytes in the stream between its current
+     *     position and its end.
+     */
+    public static function seekableStreamLength($stream)
+    {
+        $streamPosition = (double) sprintf('%u', ftell($stream));
+        fseek($stream, 0, SEEK_END);
+        $streamLength = ((double) sprintf('%u', ftell($stream)))
+            - $streamPosition;
+        fseek($stream, $streamPosition, SEEK_SET);
+        return $streamLength;
+    }
+    
+    /**
+     * Sets the charset(s) for this connection.
+     * 
+     * Sets the charset(s) for this connection. The specified charset(s) will be
+     * used for all future words. When sending, {@link self::CHARSET_LOCAL} is
+     * converted to {@link self::CHARSET_REMOTE}, and when receiving,
+     * {@link self::CHARSET_REMOTE} is converted to {@link self::CHARSET_LOCAL}.
+     * Setting  NULL to either charset will disable charset convertion, and data
+     * will be both sent and received "as is".
+     * 
+     * @param mixed $charset     The charset to set. If $charsetType is
+     *     {@link self::CHARSET_ALL}, you can supply either a string to use for
+     *     all charsets, or an array with the charset types as keys, and the
+     *     charsets as values.
+     * @param int   $charsetType Which charset to set. Valid values are the
+     *     CHARSET_* constants. Any other value is treated as
+     *     {@link self::CHARSET_ALL}.
+     * 
+     * @return string|array The old charset. If $charsetType is
+     *     {@link self::CHARSET_ALL}, the old values will be returned as an
+     *     array with the types as keys, and charsets as values.
+     * @see setDefaultCharset()
+     */
+    public function setCharset($charset, $charsetType = self::CHARSET_ALL)
+    {
+        if (array_key_exists($charsetType, $this->charsets)) {
+             $oldCharset = $this->charsets[$charsetType];
+             $this->charsets[$charsetType] = $charset;
+             return $oldCharset;
+        } else {
+            $oldCharsets = $this->charsets;
+            $this->charsets = is_array($charset) ? $charset : array_fill(
+                0,
+                count($this->charsets),
+                $charset
+            );
+            return $oldCharsets;
+        }
+    }
+    
+    /**
+     * Gets the charset(s) for this connection.
+     * 
+     * @param int $charsetType Which charset to get. Valid values are the
+     *     CHARSET_* constants. Any other value is treated as
+     *     {@link self::CHARSET_ALL}.
+     * 
+     * @return string|array The current charset. If $charsetType is
+     *     {@link self::CHARSET_ALL}, the current values will be returned as an
+     *     array with the types as keys, and charsets as values.
+     * @see getDefaultCharset()
+     * @see setCharset()
+     */
+    public function getCharset($charsetType)
+    {
+        return array_key_exists($charsetType, $this->charsets)
+            ? $this->charsets[$charsetType] : $this->charsets;
+    }
+
+    /**
+     * Gets the transmitter for this connection.
+     * 
+     * @return T\TcpClient The transmitter for this connection.
+     */
+    public function getTransmitter()
+    {
+        return $this->trans;
+    }
+
+    /**
+     * Sends a word.
+     * 
+     * Sends a word and automatically encodes its length when doing so.
+     * 
+     * @param string $word The word to send.
+     * 
+     * @return int The number of bytes sent.
+     * @see sendWordFromStream()
+     * @see getNextWord()
+     */
+    public function sendWord($word)
+    {
+        if (null !== ($remoteCharset = $this->getCharset(self::CHARSET_REMOTE))
+            && null !== ($localCharset = $this->getCharset(self::CHARSET_LOCAL))
+        ) {
+            $word = iconv(
+                $localCharset,
+                $remoteCharset . '//IGNORE//TRANSLIT',
+                $word
+            );
+        }
+        $length = strlen($word);
+        static::verifyLengthSupport($length);
+        if ($this->trans->isPersistent()) {
+            $old = $this->trans->lock(T\Stream::DIRECTION_SEND);
+            $bytes = $this->trans->send(self::encodeLength($length) . $word);
+            $this->trans->lock($old, true);
+            return $bytes;
+        }
+        return $this->trans->send(self::encodeLength($length) . $word);
+    }
+
+    /**
+     * Sends a word based on a stream.
+     * 
+     * Sends a word based on a stream and automatically encodes its length when
+     * doing so. The stream is read from its current position to its end, and
+     * then returned to its current position. Because of those operations, the
+     * supplied stream must be seekable.
+     * 
+     * @param string   $prefix A string to prepend before the stream contents.
+     * @param resource $stream The seekable stream to send.
+     * 
+     * @return int The number of bytes sent.
+     * @see sendWord()
+     */
+    public function sendWordFromStream($prefix, $stream)
+    {
+        if (!self::isSeekableStream($stream)) {
+            throw new InvalidArgumentException(
+                'The stream must be seekable.',
+                InvalidArgumentException::CODE_SEEKABLE_REQUIRED
+            );
+        }
+        if (null !== ($remoteCharset = $this->getCharset(self::CHARSET_REMOTE))
+            && null !== ($localCharset = $this->getCharset(self::CHARSET_LOCAL))
+        ) {
+            $prefix = iconv(
+                $localCharset,
+                $remoteCharset . '//IGNORE//TRANSLIT',
+                $prefix
+            );
+            $stream = self::iconvStream(
+                $localCharset,
+                $remoteCharset . '//IGNORE//TRANSLIT',
+                $stream
+            );
+        }
+        
+        flock($stream, LOCK_SH);
+        $totalLength = strlen($prefix) + self::seekableStreamLength($stream);
+        static::verifyLengthSupport($totalLength);
+
+        $bytes = $this->trans->send(self::encodeLength($totalLength) . $prefix);
+        $bytes += $this->trans->send($stream);
+        
+        flock($stream, LOCK_UN);
+        return $bytes;
+    }
+
+    /**
+     * Verifies that the length is supported.
+     * 
+     * Verifies if the specified length is supported by the API. Throws a
+     * {@link LengthException} if that's not the case. Currently, RouterOS
+     * supports words up to 0xFFFFFFFF in length, so that's the only check
+     * performed.
+     * 
+     * @param int $length The length to verify.
+     * 
+     * @return void
+     */
+    protected static function verifyLengthSupport($length)
+    {
+        if ($length > 0xFFFFFFFF) {
+            throw new LengthException(
+                'Words with length above 0xFFFFFFFF are not supported.',
+                LengthException::CODE_UNSUPPORTED,
+                null,
+                $length
+            );
+        }
+    }
+
+    /**
+     * Encodes the length as requred by the RouterOS API.
+     * 
+     * @param int $length The length to encode.
+     * 
+     * @return string The encoded length.
+     */
+    public static function encodeLength($length)
+    {
+        if ($length < 0) {
+            throw new LengthException(
+                'Length must not be negative.',
+                LengthException::CODE_INVALID,
+                null,
+                $length
+            );
+        } elseif ($length < 0x80) {
+            return chr($length);
+        } elseif ($length < 0x4000) {
+            return pack('n', $length |= 0x8000);
+        } elseif ($length < 0x200000) {
+            $length |= 0xC00000;
+            return pack('n', $length >> 8) . chr($length & 0xFF);
+        } elseif ($length < 0x10000000) {
+            return pack('N', $length |= 0xE0000000);
+        } elseif ($length <= 0xFFFFFFFF) {
+            return chr(0xF0) . pack('N', $length);
+        } elseif ($length <= 0x7FFFFFFFF) {
+            $length = 'f' . base_convert($length, 10, 16);
+            return chr(hexdec(substr($length, 0, 2))) .
+                pack('N', hexdec(substr($length, 2)));
+        }
+        throw new LengthException(
+            'Length must not be above 0x7FFFFFFFF.',
+            LengthException::CODE_BEYOND_SHEME,
+            null,
+            $length
+        );
+    }
+
+    /**
+     * Get the next word in queue as a string.
+     * 
+     * Get the next word in queue as a string, after automatically decoding its
+     * length.
+     * 
+     * @return string The word.
+     * @see close()
+     */
+    public function getNextWord()
+    {
+        if ($this->trans->isPersistent()) {
+            $old = $this->trans->lock(T\Stream::DIRECTION_RECEIVE);
+            $word = $this->trans->receive(
+                self::decodeLength($this->trans),
+                'word'
+            );
+            $this->trans->lock($old, true);
+        } else {
+            $word = $this->trans->receive(
+                self::decodeLength($this->trans),
+                'word'
+            );
+        }
+        
+        if (null !== ($remoteCharset = $this->getCharset(self::CHARSET_REMOTE))
+            && null !== ($localCharset = $this->getCharset(self::CHARSET_LOCAL))
+        ) {
+            $word = iconv(
+                $remoteCharset,
+                $localCharset . '//IGNORE//TRANSLIT',
+                $word
+            );
+        }
+        
+        return $word;
+    }
+
+    /**
+     * Get the next word in queue as a stream.
+     * 
+     * Get the next word in queue as a stream, after automatically decoding its
+     * length.
+     * 
+     * @return resource The word, as a stream.
+     * @see close()
+     */
+    public function getNextWordAsStream()
+    {
+        $filters = new T\FilterCollection();
+        if (null !== ($remoteCharset = $this->getCharset(self::CHARSET_REMOTE))
+            && null !== ($localCharset = $this->getCharset(self::CHARSET_LOCAL))
+        ) {
+            $filters->append(
+                'convert.iconv.' .
+                $remoteCharset . '.' . $localCharset . '//IGNORE//TRANSLIT'
+            );
+        }
+        
+        if ($this->trans->isPersistent()) {
+            $old = $this->trans->lock(T\Stream::DIRECTION_RECEIVE);
+            $stream = $this->trans->receiveStream(
+                self::decodeLength($this->trans),
+                $filters,
+                'stream word'
+            );
+            $this->trans->lock($old, true);
+        } else {
+            $stream = $this->trans->receiveStream(
+                self::decodeLength($this->trans),
+                $filters,
+                'stream word'
+            );
+        }
+        
+        return $stream;
+    }
+
+    /**
+     * Decodes the lenght of the incoming message.
+     * 
+     * Decodes the lenght of the incoming message, as specified by the RouterOS
+     * API.
+     * 
+     * @param T\Stream $trans The transmitter from which to decode the length of
+     * the incoming message.
+     * 
+     * @return int The decoded length.
+     */
+    public static function decodeLength(T\Stream $trans)
+    {
+        if ($trans->isPersistent() && $trans instanceof T\TcpClient) {
+            $old = $trans->lock($trans::DIRECTION_RECEIVE);
+            $length = self::_decodeLength($trans);
+            $trans->lock($old, true);
+            return $length;
+        }
+        return self::_decodeLength($trans);
+    }
+
+    /**
+     * Decodes the lenght of the incoming message.
+     * 
+     * Decodes the lenght of the incoming message, as specified by the RouterOS
+     * API.
+     * 
+     * Difference with the non private function is that this one doesn't perform
+     * locking if the connection is a persistent one.
+     * 
+     * @param T\Stream $trans The transmitter from which to decode the length of
+     *     the incoming message.
+     * 
+     * @return int The decoded length.
+     */
+    private static function _decodeLength(T\Stream $trans)
+    {
+        $byte = ord($trans->receive(1, 'initial length byte'));
+        if ($byte & 0x80) {
+            if (($byte & 0xC0) === 0x80) {
+                return (($byte & 077) << 8 ) + ord($trans->receive(1));
+            } elseif (($byte & 0xE0) === 0xC0) {
+                $rem = unpack('n~', $trans->receive(2));
+                return (($byte & 037) << 16 ) + $rem['~'];
+            } elseif (($byte & 0xF0) === 0xE0) {
+                $rem = unpack('n~/C~~', $trans->receive(3));
+                return (($byte & 017) << 24 ) + ($rem['~'] << 8) + $rem['~~'];
+            } elseif (($byte & 0xF8) === 0xF0) {
+                $rem = unpack('N~', $trans->receive(4));
+                return (($byte & 007) * 0x100000000/* '<< 32' or '2^32' */)
+                    + (double) sprintf('%u', $rem['~']);
+            }
+            throw new NotSupportedException(
+                'Unknown control byte encountered.',
+                NotSupportedException::CODE_CONTROL_BYTE,
+                null,
+                $byte
+            );
+        } else {
+            return $byte;
+        }
+    }
+
+    /**
+     * Closes the opened connection, even if it is a persistent one.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function close()
+    {
+        return $this->trans->close();
+    }
+}

PEAR2/Net/RouterOS/DataFlowException.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Base of this class.
+ */
+use RuntimeException;
+
+/**
+ * Exception thrown when the request/response cycle goes an unexpected way.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class DataFlowException extends RuntimeException implements Exception
+{
+    const CODE_INVALID_CREDENTIALS = 10000;
+    const CODE_TAG_REQUIRED = 10500;
+    const CODE_TAG_UNIQUE = 10501;
+    const CODE_UNKNOWN_REQUEST = 10900;
+    const CODE_CANCEL_FAIL = 11200;
+}

PEAR2/Net/RouterOS/Exception.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Generic exception class of this package.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+interface Exception
+{
+}

PEAR2/Net/RouterOS/InvalidArgumentException.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+use InvalidArgumentException as I;
+
+/**
+ * Exception thrown when there's something wrong with message arguments.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class InvalidArgumentException extends I implements Exception
+{
+    const CODE_SEEKABLE_REQUIRED = 1100;
+    const CODE_NAME_INVALID = 20100;
+    const CODE_ABSOLUTE_REQUIRED = 40200;
+    const CODE_CMD_UNRESOLVABLE = 40201;
+    const CODE_CMD_INVALID = 40202;
+    const CODE_NAME_UNPARSABLE = 41000;
+    const CODE_VALUE_UNPARSABLE = 41001;
+}

PEAR2/Net/RouterOS/LengthException.php

@@ -0,0 +1,93 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Base of this class.
+ */
+use LengthException as L;
+
+/**
+ * Exception thrown when there is a problem with a word's length.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class LengthException extends L implements Exception
+{
+    
+    const CODE_UNSUPPORTED = 1200;
+    const CODE_INVALID = 1300;
+    const CODE_BEYOND_SHEME = 1301;
+
+    /**
+     *
+     * @var mixed The problematic length.
+     */
+    private $_length;
+
+    /**
+     * Creates a new LengthException.
+     * 
+     * @param string     $message  The Exception message to throw.
+     * @param int        $code     The Exception code.
+     * @param \Exception $previous The previous exception used for the exception
+     *     chaining.
+     * @param number     $length   The length.
+     */
+    public function __construct(
+        $message,
+        $code = 0,
+        $previous = null,
+        $length = null
+    ) {
+        parent::__construct($message, $code, $previous);
+        $this->_length = $length;
+    }
+
+    /**
+     * Gets the length.
+     * 
+     * @return number The length.
+     */
+    public function getLength()
+    {
+        return $this->_length;
+    }
+
+    // @codeCoverageIgnoreStart
+    // String representation is not reliable in testing
+
+    /**
+     * Returns a string representation of the exception.
+     * 
+     * @return string The exception as a string.
+     */
+    public function __toString()
+    {
+        return parent::__toString() . "\nLength:{$this->_length}";
+    }
+
+    // @codeCoverageIgnoreEnd
+}

PEAR2/Net/RouterOS/Message.php

@@ -0,0 +1,237 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Implements this interface.
+ */
+use Countable;
+
+/**
+ * Implements this interface.
+ */
+use IteratorAggregate;
+
+/**
+ * Requred for IteratorAggregate::getIterator() to work properly with foreach.
+ */
+use ArrayObject;
+
+/**
+ * Represents a RouterOS message.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+abstract class Message implements IteratorAggregate, Countable
+{
+
+    /**
+     * @var array An array with message attributes. Each array key is the the
+     *     name of an attribute, and the correspding array value is the value
+     *     for that attribute.
+     */
+    protected $attributes = array();
+
+    /**
+     * @var string An optional tag to associate the message with.
+     */
+    private $_tag = null;
+    
+    /**
+     * A shorthand gateway.
+     * 
+     * This is a magic PHP method that allows you to call the object as a
+     * function. Depending on the argument given, one of the other functions in
+     * the class is invoked and its returned value is returned by this function.
+     * 
+     * @param string $name The name of an attribute to get the value of, or NULL
+     *     to get the tag.
+     * 
+     * @return string|resource The value of the specified attribute,
+     *     or the tag if NULL is provided.
+     */
+    public function __invoke($name = null)
+    {
+        if (null === $name) {
+            return $this->getTag();
+        }
+        return $this->getAttribute($name);
+    }
+
+    /**
+     * Sanitizes a name of an attribute (message or query one).
+     * 
+     * @param mixed $name The name to sanitize.
+     * 
+     * @return string The sanitized name.
+     */
+    public static function sanitizeAttributeName($name)
+    {
+        $name = (string) $name;
+        if ((empty($name) && $name !== '0')
+            || preg_match('/[=\s]/s', $name)
+        ) {
+            throw new InvalidArgumentException(
+                'Invalid name of argument supplied.',
+                InvalidArgumentException::CODE_NAME_INVALID
+            );
+        }
+        return $name;
+    }
+
+    /**
+     * Sanitizes a value of an attribute (message or query one).
+     * 
+     * @param mixed $value The value to sanitize.
+     * 
+     * @return string The sanitized value.
+     */
+    public static function sanitizeAttributeValue($value)
+    {
+        if (Communicator::isSeekableStream($value)) {
+            return $value;
+        } else {
+            return (string) $value;
+        }
+    }
+
+    /**
+     * Gets the tag that the message is associated with.
+     * 
+     * @return string The current tag or NULL if there isn't a tag.
+     * @see setTag()
+     */
+    public function getTag()
+    {
+        return $this->_tag;
+    }
+
+    /**
+     * Sets the tag to associate the request with.
+     * 
+     * Sets the tag to associate the message with. Setting NULL erases the
+     * currently set tag.
+     * 
+     * @param string $tag The tag to set.
+     * 
+     * @return $this The message object.
+     * @see getTag()
+     */
+    protected function setTag($tag)
+    {
+        $this->_tag = (null === $tag) ? null : (string) $tag;
+        return $this;
+    }
+
+    /**
+     * Gets the value of an attribute.
+     * 
+     * @param string $name The name of the attribute.
+     * 
+     * @return string|resource|null The value of the specified attribute.
+     *     Returns NULL if such an attribute is not set.
+     * @see setAttribute()
+     */
+    protected function getAttribute($name)
+    {
+        $name = self::sanitizeAttributeName($name);
+        if (array_key_exists($name, $this->attributes)) {
+            return $this->attributes[$name];
+        }
+        return null;
+    }
+
+    /**
+     * Gets all arguments in an array.
+     * 
+     * @return ArrayObject An ArrayObject with the keys being argument names,
+     *     and the array values being argument values.
+     * @see getArgument()
+     * @see setArgument()
+     */
+    public function getIterator()
+    {
+        return new ArrayObject($this->attributes);
+    }
+
+    /**
+     * Counts the number of arguments.
+     * 
+     * @param int $mode The counter mode.
+     *     Either COUNT_NORMAL or COUNT_RECURSIVE.
+     *     When in normal mode, counts the number of arguments.
+     *     When in recursive mode, counts the number of API words
+     *     (including the empty word at the end).
+     * 
+     * @return int The number of arguments/words.
+     */
+    public function count($mode = COUNT_NORMAL)
+    {
+        $result = count($this->attributes);
+        if ($mode !== COUNT_NORMAL) {
+            $result += 2/*first+last word*/
+                + (int)(null !== $this->getTag());
+        }
+        return $result;
+    }
+
+    /**
+     * Sets an attribute for the message.
+     * 
+     * @param string               $name  Name of the attribute.
+     * @param string|resource|null $value Value of the attribute as a string or
+     *     seekable stream.
+     *     Setting the value to NULL removes an argument of this name.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * 
+     * @return $this The message object.
+     * @see getArgument()
+     */
+    protected function setAttribute($name, $value = '')
+    {
+        if (null === $value) {
+            unset($this->attributes[self::sanitizeAttributeName($name)]);
+        } else {
+            $this->attributes[self::sanitizeAttributeName($name)]
+                = self::sanitizeAttributeValue($value);
+        }
+        return $this;
+    }
+
+    /**
+     * Removes all attributes from the message.
+     * 
+     * @return $this The message object.
+     */
+    protected function removeAllAttributes()
+    {
+        $this->attributes = array();
+        return $this;
+    }
+}

PEAR2/Net/RouterOS/NotSupportedException.php

@@ -0,0 +1,91 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Base of this class.
+ */
+use Exception as E;
+
+/**
+ * Exception thrown when encountering something not supported by RouterOS or
+ * this package.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class NotSupportedException extends E implements Exception
+{
+
+    const CODE_CONTROL_BYTE = 1601;
+
+    /**
+     * @var mixed The unsuppported value.
+     */
+    private $_value;
+
+    /**
+     * Creates a new NotSupportedException.
+     * 
+     * @param string     $message  The Exception message to throw.
+     * @param int        $code     The Exception code.
+     * @param \Exception $previous The previous exception used for the exception
+     *     chaining.
+     * @param mixed      $value    The unsupported value.
+     */
+    public function __construct(
+        $message,
+        $code = 0,
+        $previous = null,
+        $value = null
+    ) {
+        parent::__construct($message, $code, $previous);
+        $this->_value = $value;
+    }
+
+    /**
+     * Gets the unsupported value.
+     * 
+     * @return mixed The unsupported value.
+     */
+    public function getValue()
+    {
+        return $this->_value;
+    }
+
+    // @codeCoverageIgnoreStart
+    // String representation is not reliable in testing
+
+    /**
+     * Returns a string representation of the exception.
+     * 
+     * @return string The exception as a string.
+     */
+    public function __toString()
+    {
+        return parent::__toString() . "\nValue:{$this->_value}";
+    }
+
+    // @codeCoverageIgnoreEnd
+}

PEAR2/Net/RouterOS/Query.php

@@ -0,0 +1,267 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Refers to transmitter direction constants.
+ */
+use PEAR2\Net\Transmitter as T;
+
+/**
+ * Represents a query for RouterOS requests.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class Query
+{
+
+    /**
+     * Checks if the property exists.
+     */
+    const OP_EX = '';
+    
+    /**
+     * Checks if the property does not exist.
+     */
+    const OP_NEX = '-';
+    
+    /**
+     * Checks if the property equals a certain value.
+     */
+    const OP_EQ = '=';
+    
+    /**
+     * Checks if the property is less than a certain value.
+     */
+    const OP_LT = '<';
+    
+    /**
+     * Checks if the property is greather than a certain value.
+     */
+    const OP_GT = '>';
+
+    /**
+     * @var array An array of the words forming the query. Each value is an
+     *     array with the first member being the predicate (operator and name),
+     *     and the second member being the value for the predicate.
+     */
+    protected $words = array();
+
+    /**
+     * This class is not to be instantiated normally, but by static methods
+     * instead. Use {@link static::where()} to create an instance of it.
+     */
+    private function __construct()
+    {
+        
+    }
+
+    /**
+     * Sanitizes the operator of a condition.
+     * 
+     * @param string $operator The operator to sanitize.
+     * 
+     * @return string The sanitized operator.
+     */
+    protected static function sanitizeOperator($operator)
+    {
+        $operator = (string) $operator;
+        switch ($operator) {
+        case Query::OP_EX:
+        case Query::OP_NEX:
+        case Query::OP_EQ:
+        case Query::OP_LT:
+        case Query::OP_GT:
+            return $operator;
+        default:
+            throw new UnexpectedValueException(
+                'Unknown operator specified',
+                UnexpectedValueException::CODE_ACTION_UNKNOWN,
+                null,
+                $operator
+            );
+        }
+    }
+
+    /**
+     * Creates a new query with an initial condition.
+     * 
+     * @param string               $name     The name of the property to test.
+     * @param string|resource|null $value    Value of the property as a string
+     *     or seekable stream. Not required for existence tests.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * @param string               $operator One of the OP_* constants.
+     *     Describes the operation to perform.
+     * 
+     * @return static A new query object.
+     */
+    public static function where(
+        $name,
+        $value = null,
+        $operator = self::OP_EX
+    ) {
+        $query = new static;
+        return $query->addWhere($name, $value, $operator);
+    }
+
+    /**
+     * Negates the query.
+     * 
+     * @return $this The query object.
+     */
+    public function not()
+    {
+        $this->words[] = array('#!', null);
+        return $this;
+    }
+
+    /**
+     * Adds a condition as an alternative to the query.
+     * 
+     * @param string               $name     The name of the property to test.
+     * @param string|resource|null $value    Value of the property as a string
+     *     or seekable stream. Not required for existence tests.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * @param string               $operator One of the OP_* constants.
+     *     Describes the operation to perform.
+     * 
+     * @return $this The query object.
+     */
+    public function orWhere($name, $value = null, $operator = self::OP_EX)
+    {
+        $this->addWhere($name, $value, $operator)->words[] = array('#|', null);
+        return $this;
+    }
+
+    /**
+     * Adds a condition in addition to the query.
+     * 
+     * @param string               $name     The name of the property to test.
+     * @param string|resource|null $value    Value of the property as a string
+     *     or seekable stream. Not required for existence tests.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * @param string               $operator One of the OP_* constants.
+     *     Describes the operation to perform.
+     * 
+     * @return $this The query object.
+     */
+    public function andWhere($name, $value = null, $operator = self::OP_EX)
+    {
+        $this->addWhere($name, $value, $operator)->words[] = array('#&', null);
+        return $this;
+    }
+
+    /**
+     * Sends the query over a communicator.
+     * 
+     * @param Communicator $com The communicator to send the query over.
+     * 
+     * @return int The number of bytes sent.
+     */
+    public function send(Communicator $com)
+    {
+        if ($com->getTransmitter()->isPersistent()) {
+            $old = $com->getTransmitter()->lock(T\Stream::DIRECTION_SEND);
+            $bytes = $this->_send($com);
+            $com->getTransmitter()->lock($old, true);
+            return $bytes;
+        }
+        return $this->_send($com);
+    }
+
+    /**
+     * Sends the query over a communicator.
+     * 
+     * The only difference with the non private equivalent is that this one does
+     * not do locking.
+     * 
+     * @param Communicator $com The communicator to send the query over.
+     * 
+     * @return int The number of bytes sent.
+     */
+    private function _send(Communicator $com)
+    {
+        if (!$com->getTransmitter()->isAcceptingData()) {
+            throw new SocketException(
+                'Transmitter is invalid. Sending aborted.',
+                SocketException::CODE_QUERY_SEND_FAIL
+            );
+        }
+        $bytes = 0;
+        foreach ($this->words as $queryWord) {
+            list($predicate, $value) = $queryWord;
+            $prefix = '?' . $predicate;
+            if (null === $value) {
+                $bytes += $com->sendWord($prefix);
+            } else {
+                $prefix .= '=';
+                if (is_string($value)) {
+                    $bytes += $com->sendWord($prefix . $value);
+                } else {
+                    $bytes += $com->sendWordFromStream($prefix, $value);
+                }
+            }
+        }
+        return $bytes;
+    }
+
+    /**
+     * Adds a condition.
+     * 
+     * @param string               $name     The name of the property to test.
+     * @param string|resource|null $value    Value of the property as a string
+     *     or seekable stream. Not required for existence tests.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * @param string               $operator One of the ACTION_* constants.
+     *     Describes the operation to perform.
+     * 
+     * @return $this The query object.
+     */
+    protected function addWhere($name, $value, $operator)
+    {
+        $this->words[] = array(
+            static::sanitizeOperator($operator)
+            . Message::sanitizeAttributeName($name),
+            (null === $value ? null : Message::sanitizeAttributeValue($value))
+        );
+        return $this;
+    }
+}

PEAR2/Net/RouterOS/Registry.php

@@ -0,0 +1,279 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Uses shared memory to keep responses in.
+ */
+use PEAR2\Cache\SHM;
+
+/**
+ * A RouterOS registry.
+ * 
+ * Provides functionality for managing the request/response flow. Particularly
+ * useful in persistent connections.
+ * 
+ * Note that this class is not meant to be called directly.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class Registry
+{
+    /**
+     * @var SHM The storage. 
+     */
+    protected $shm;
+    
+    /**
+     * @var int ID of request. Populated at first instance in request.
+     */
+    protected static $requestId = -1;
+    
+    /**
+     * @var int ID to be given to next instance, after incrementing it.
+     */
+    protected static $instanceIdSeed = -1;
+    
+    /**
+     * @var int ID of instance within the request.
+     */
+    protected $instanceId;
+    
+    /**
+     * Creates a registry.
+     * 
+     * @param string $uri An URI to bind the registry to.
+     */
+    public function __construct($uri)
+    {
+        $this->shm = SHM::factory(__CLASS__ . ' ' . $uri);
+        if (-1 === self::$requestId) {
+            self::$requestId = $this->shm->add('requestId', 0)
+                ? 0 : $this->shm->inc('requestId');
+        }
+        $this->instanceId = ++self::$instanceIdSeed;
+        $this->shm->add('responseBuffer_' . $this->getOwnershipTag(), array());
+    }
+    
+    /**
+     * Parses a tag.
+     * 
+     * Parses a tag to reveal the ownership part of it, and the original tag.
+     * 
+     * @param string $tag The tag (as received) to parse.
+     * 
+     * @return array An array with the first member being the ownership tag, and
+     *     the second one being the original tag. 
+     */
+    public static function parseTag($tag)
+    {
+        if (null === $tag) {
+            return array(null, null);
+        }
+        $result = explode('__', $tag, 2);
+        $result[0] .= '__';
+        if ('' === $result[1]) {
+            $result[1] = null;
+        }
+        return $result;
+    }
+    
+    /**
+     * Checks if this instance is the tagless mode owner.
+     * 
+     * @return bool TRUE if this instance is the tagless mode owner, FALSE
+     *     otherwise.
+     */
+    public function isTaglessModeOwner()
+    {
+        $this->shm->lock('taglessModeOwner');
+        $result = $this->shm->exists('taglessModeOwner')
+            && $this->getOwnershipTag() === $this->shm->get('taglessModeOwner');
+        $this->shm->unlock('taglessModeOwner');
+        return $result;
+    }
+    
+    /**
+     * Sets the "tagless mode" setting.
+     * 
+     * While in tagless mode, this instance will claim owhership of any
+     * responses without a tag. While not in this mode, any requests without a
+     * tag will be given to all instances.
+     * 
+     * Regardless of mode, if the type of the response is
+     * {@link Response::TYPE_FATAL}, it will be given to all instances.
+     * 
+     * @param bool $taglessMode TRUE to claim tagless ownership, FALSE to
+     *     release such ownership, if taken.
+     * 
+     * @return bool TRUE on success, FALSE on failure. 
+     */
+    public function setTaglessMode($taglessMode)
+    {
+        return $taglessMode
+            ?   ($this->shm->lock('taglessMode')
+                && $this->shm->lock('taglessModeOwner')
+                && $this->shm->add('taglessModeOwner', $this->getOwnershipTag())
+                && $this->shm->unlock('taglessModeOwner'))
+            :   ($this->isTaglessModeOwner()
+                && $this->shm->lock('taglessModeOwner')
+                && $this->shm->delete('taglessModeOwner')
+                && $this->shm->unlock('taglessModeOwner')
+                && $this->shm->unlock('taglessMode'));
+    }
+    
+    /**
+     * Get the ownership tag for this instance.
+     * 
+     * @return string The ownership tag for this registry instance. 
+     */
+    public function getOwnershipTag()
+    {
+        return self::$requestId . '_' . $this->instanceId . '__';
+    }
+    
+    /**
+     * Add a response to the registry.
+     * 
+     * @param Response $response     The response to add. The caller of this
+     *     function is responsible for ensuring that the ownership tag and the
+     *     original tag are separated, so that only the original one remains in
+     *     the response.
+     * @param string   $ownershipTag The ownership tag that the response had.
+     * 
+     * @return bool TRUE if the request was added to its buffer, FALSE if
+     *     this instance owns the response, and therefore doesn't need to add
+     *     the response to its buffer.
+     */
+    public function add(Response $response, $ownershipTag)
+    {
+        if ($this->getOwnershipTag() === $ownershipTag
+            || ($this->isTaglessModeOwner()
+            && $response->getType() !== Response::TYPE_FATAL)
+        ) {
+            return false;
+        }
+        
+        if (null === $ownershipTag) {
+            $this->shm->lock('taglessModeOwner');
+            if ($this->shm->exists('taglessModeOwner')
+                && $response->getType() !== Response::TYPE_FATAL
+            ) {
+                $ownershipTag = $this->shm->get('taglessModeOwner');
+                $this->shm->unlock('taglessModeOwner');
+            } else {
+                $this->shm->unlock('taglessModeOwner');
+                foreach ($this->shm->getIterator(
+                    '/^(responseBuffer\_)/',
+                    true
+                ) as $targetBufferName) {
+                    $this->_add($response, $targetBufferName);
+                }
+                return true;
+            }
+        }
+        
+        $this->_add($response, 'responseBuffer_' . $ownershipTag);
+        return true;
+    }
+    
+    /**
+     * Adds a response to a buffer.
+     * 
+     * @param Response $response         The response to add.
+     * @param string   $targetBufferName The name of the buffer to add the
+     *     response to.
+     * 
+     * @return void
+     */
+    private function _add(Response $response, $targetBufferName)
+    {
+        if ($this->shm->lock($targetBufferName)) {
+            $targetBuffer = $this->shm->get($targetBufferName);
+            $targetBuffer[] = $response;
+            $this->shm->set($targetBufferName, $targetBuffer);
+            $this->shm->unlock($targetBufferName);
+        }
+    }
+    
+    /**
+     * Gets the next response from this instance's buffer.
+     * 
+     * @return Response|null The next response, or NULL if there isn't one. 
+     */
+    public function getNextResponse()
+    {
+        $response = null;
+        $targetBufferName = 'responseBuffer_' . $this->getOwnershipTag();
+        if ($this->shm->exists($targetBufferName)
+            && $this->shm->lock($targetBufferName)
+        ) {
+            $targetBuffer = $this->shm->get($targetBufferName);
+            if (!empty($targetBuffer)) {
+                $response = array_shift($targetBuffer);
+                $this->shm->set($targetBufferName, $targetBuffer);
+            }
+            $this->shm->unlock($targetBufferName);
+        }
+        return $response;
+    }
+    
+    /**
+     * Closes the registry.
+     * 
+     * Closes the registry, meaning that all buffers are cleared.
+     * 
+     * @return void 
+     */
+    public function close()
+    {
+        self::$requestId = -1;
+        self::$instanceIdSeed = -1;
+        $this->shm->clear();
+    }
+    
+    /**
+     * Removes a buffer.
+     * 
+     * @param string $targetBufferName The buffer to remove.
+     * 
+     * @return void
+     */
+    private function _close($targetBufferName)
+    {
+        if ($this->shm->lock($targetBufferName)) {
+            $this->shm->delete($targetBufferName);
+            $this->shm->unlock($targetBufferName);
+        }
+    }
+    
+    /**
+     * Removes this instance's buffer. 
+     */
+    public function __destruct()
+    {
+        $this->_close('responseBuffer_' . $this->getOwnershipTag());
+    }
+}

PEAR2/Net/RouterOS/Request.php

@@ -0,0 +1,403 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Refers to transmitter direction constants.
+ */
+use PEAR2\Net\Transmitter as T;
+
+/**
+ * Represents a RouterOS request.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class Request extends Message
+{
+
+    /**
+     * @var string The command to be executed.
+     */
+    private $_command;
+
+    /**
+     * @var Query A query for the command.
+     */
+    private $_query;
+
+    /**
+     * Creates a request to send to RouterOS.
+     * 
+     * @param string $command The command to send. Can also contain arguments
+     *     expressed in a shell-like syntax.
+     * @param Query  $query   A query to associate with the request.
+     * @param string $tag     The tag for the request.
+     * 
+     * @see setCommand()
+     * @see setArgument()
+     * @see setTag()
+     * @see setQuery()
+     */
+    public function __construct($command, Query $query = null, $tag = null)
+    {
+        if (false !== strpos($command, '=')
+            && false !== ($spaceBeforeEquals = strrpos(
+                strstr($command, '=', true),
+                ' '
+            ))
+        ) {
+            $this->parseArgumentString(substr($command, $spaceBeforeEquals));
+            $command = rtrim(substr($command, 0, $spaceBeforeEquals));
+        }
+        $this->setCommand($command);
+        $this->setQuery($query);
+        $this->setTag($tag);
+    }
+    
+    /**
+     * A shorthand gateway.
+     * 
+     * This is a magic PHP method that allows you to call the object as a
+     * function. Depending on the argument given, one of the other functions in
+     * the class is invoked and its returned value is returned by this function.
+     * 
+     * @param Query|Communicator|string|null $arg A {@link Query} to associate
+     *     the request with, a {@link Communicator} to send the request over,
+     *     an argument to get the value of, or NULL to get the tag. If a
+     *     second argument is provided, this becomes the name of the argument to
+     *     set the value of, and the second argument is the value to set.
+     * 
+     * @return string|resource|int|$this Whatever the long form
+     *     function returns.
+     */
+    public function __invoke($arg = null)
+    {
+        if (func_num_args() > 1) {
+            return $this->setArgument(func_get_arg(0), func_get_arg(1));
+        }
+        if ($arg instanceof Query) {
+            return $this->setQuery($arg);
+        }
+        if ($arg instanceof Communicator) {
+            return $this->send($arg);
+        }
+        return parent::__invoke($arg);
+    }
+
+    /**
+     * Sets the command to send to RouterOS.
+     * 
+     * Sets the command to send to RouterOS. The command can use the API or CLI
+     * syntax of RouterOS, but either way, it must be absolute (begin  with a
+     * "/") and without arguments.
+     * 
+     * @param string $command The command to send.
+     * 
+     * @return $this The request object.
+     * @see getCommand()
+     * @see setArgument()
+     */
+    public function setCommand($command)
+    {
+        $command = (string) $command;
+        if (strpos($command, '/') !== 0) {
+            throw new InvalidArgumentException(
+                'Commands must be absolute.',
+                InvalidArgumentException::CODE_ABSOLUTE_REQUIRED
+            );
+        }
+        if (substr_count($command, '/') === 1) {
+            //Command line syntax convertion
+            $cmdParts = preg_split('#[\s/]+#sm', $command);
+            $cmdRes = array($cmdParts[0]);
+            for ($i = 1, $n = count($cmdParts); $i < $n; $i++) {
+                if ('..' === $cmdParts[$i]) {
+                    $delIndex = count($cmdRes) - 1;
+                    if ($delIndex < 1) {
+                        throw new InvalidArgumentException(
+                            'Unable to resolve command',
+                            InvalidArgumentException::CODE_CMD_UNRESOLVABLE
+                        );
+                    }
+                    unset($cmdRes[$delIndex]);
+                    $cmdRes = array_values($cmdRes);
+                } else {
+                    $cmdRes[] = $cmdParts[$i];
+                }
+            }
+            $command = implode('/', $cmdRes);
+        }
+        if (!preg_match('#^/\S+$#sm', $command)) {
+            throw new InvalidArgumentException(
+                'Invalid command supplied.',
+                InvalidArgumentException::CODE_CMD_INVALID
+            );
+        }
+        $this->_command = $command;
+        return $this;
+    }
+
+    /**
+     * Gets the command that will be send to RouterOS.
+     * 
+     * Gets the command that will be send to RouterOS in its API syntax.
+     * 
+     * @return string The command to send.
+     * @see setCommand()
+     */
+    public function getCommand()
+    {
+        return $this->_command;
+    }
+
+    /**
+     * Sets the query to send with the command.
+     * 
+     * @param Query $query The query to be set. Setting NULL will remove the
+     *     currently associated query.
+     * 
+     * @return $this The request object.
+     * @see getQuery()
+     */
+    public function setQuery(Query $query = null)
+    {
+        $this->_query = $query;
+        return $this;
+    }
+
+    /**
+     * Gets the currently associated query
+     * 
+     * @return Query The currently associated query.
+     * @see setQuery()
+     */
+    public function getQuery()
+    {
+        return $this->_query;
+    }
+
+    /**
+     * Sets the tag to associate the request with.
+     * 
+     * Sets the tag to associate the request with. Setting NULL erases the
+     * currently set tag.
+     * 
+     * @param string $tag The tag to set.
+     * 
+     * @return $this The request object.
+     * @see getTag()
+     */
+    public function setTag($tag)
+    {
+        return parent::setTag($tag);
+    }
+
+    /**
+     * Sets an argument for the request.
+     * 
+     * @param string               $name  Name of the argument.
+     * @param string|resource|null $value Value of the argument as a string or
+     *     seekable stream.
+     *     Setting the value to NULL removes an argument of this name.
+     *     If a seekable stream is provided, it is sent from its current
+     *     posistion to its end, and the pointer is seeked back to its current
+     *     position after sending.
+     *     Non seekable streams, as well as all other types, are casted to a
+     *     string.
+     * 
+     * @return $this The request object.
+     * @see getArgument()
+     */
+    public function setArgument($name, $value = '')
+    {
+        return parent::setAttribute($name, $value);
+    }
+
+    /**
+     * Gets the value of an argument.
+     * 
+     * @param string $name The name of the argument.
+     * 
+     * @return string|resource|null The value of the specified argument.
+     *     Returns NULL if such an argument is not set.
+     * @see setAttribute()
+     */
+    public function getArgument($name)
+    {
+        return parent::getAttribute($name);
+    }
+
+    /**
+     * Removes all arguments from the request.
+     * 
+     * @return $this The request object.
+     */
+    public function removeAllArguments()
+    {
+        return parent::removeAllAttributes();
+    }
+
+    /**
+     * Sends a request over a communicator.
+     * 
+     * @param Communicator $com The communicator to send the request over.
+     * @param Registry     $reg An optional registry to sync the request with.
+     * 
+     * @return int The number of bytes sent.
+     * @see Client::sendSync()
+     * @see Client::sendAsync()
+     */
+    public function send(Communicator $com, Registry $reg = null)
+    {
+        if (null !== $reg
+            && (null != $this->getTag() || !$reg->isTaglessModeOwner())
+        ) {
+            $originalTag = $this->getTag();
+            $this->setTag($reg->getOwnershipTag() . $originalTag);
+            $bytes = $this->send($com);
+            $this->setTag($originalTag);
+            return $bytes;
+        }
+        if ($com->getTransmitter()->isPersistent()) {
+            $old = $com->getTransmitter()->lock(T\Stream::DIRECTION_SEND);
+            $bytes = $this->_send($com);
+            $com->getTransmitter()->lock($old, true);
+            return $bytes;
+        }
+        return $this->_send($com);
+    }
+
+    /**
+     * Sends a request over a communicator.
+     * 
+     * The only difference with the non private equivalent is that this one does
+     * not do locking.
+     * 
+     * @param Communicator $com The communicator to send the request over.
+     * 
+     * @return int The number of bytes sent.
+     * @see Client::sendSync()
+     * @see Client::sendAsync()
+     */
+    private function _send(Communicator $com)
+    {
+        if (!$com->getTransmitter()->isAcceptingData()) {
+            throw new SocketException(
+                'Transmitter is invalid. Sending aborted.',
+                SocketException::CODE_REQUEST_SEND_FAIL
+            );
+        }
+        $bytes = 0;
+        $bytes += $com->sendWord($this->getCommand());
+        if (null !== ($tag = $this->getTag())) {
+            $bytes += $com->sendWord('.tag=' . $tag);
+        }
+        foreach ($this->attributes as $name => $value) {
+            $prefix = '=' . $name . '=';
+            if (is_string($value)) {
+                $bytes += $com->sendWord($prefix . $value);
+            } else {
+                $bytes += $com->sendWordFromStream($prefix, $value);
+            }
+        }
+        $query = $this->getQuery();
+        if ($query instanceof Query) {
+            $bytes += $query->send($com);
+        }
+        $bytes += $com->sendWord('');
+        return $bytes;
+    }
+    
+    /**
+     * Parses the arguments of a command.
+     * 
+     * @param string $string The argument string to parse.
+     * 
+     * @return void
+     */
+    protected function parseArgumentString($string)
+    {
+        /*
+         * Grammar:
+         * 
+         * <arguments> := (<<\s+>>, <argument>)*,
+         * <argument> := <name>, <value>?
+         * <name> := <<[^\=\s]+>>
+         * <value> := "=", (<quoted string> | <unquoted string>)
+         * <quotedString> := <<">>, <<([^"]|\\"|\\\\)*>>, <<">>
+         * <unquotedString> := <<\S+>>
+         */
+        
+        $token = '';
+        $name = null;
+        while ($string = substr($string, strlen($token))) {
+            if (null === $name) {
+                if (preg_match('/^\s+([^\s=]+)/sS', $string, $matches)) {
+                    $token = $matches[0];
+                    $name = $matches[1];
+                } else {
+                    throw new InvalidArgumentException(
+                        "Parsing of argument name failed near '{$string}'",
+                        InvalidArgumentException::CODE_NAME_UNPARSABLE
+                    );
+                }
+            } elseif (preg_match('/^\s/s', $string, $matches)) {
+                //Empty argument
+                $token = '';
+                $this->setArgument($name);
+                $name = null;
+            } elseif (preg_match(
+                '/^="(([^\\\"]|\\\"|\\\\)*)"/sS',
+                $string,
+                $matches
+            )) {
+                $token = $matches[0];
+                $this->setArgument(
+                    $name,
+                    str_replace(
+                        array('\\"', '\\\\'),
+                        array('"', '\\'),
+                        $matches[1]
+                    )
+                );
+                $name = null;
+            } elseif (preg_match('/^=(\S+)/sS', $string, $matches)) {
+                $token = $matches[0];
+                $this->setArgument($name, $matches[1]);
+                $name = null;
+            } else {
+                throw new InvalidArgumentException(
+                    "Parsing of argument value failed near '{$string}'",
+                    InvalidArgumentException::CODE_VALUE_UNPARSABLE
+                );
+            }
+        }
+        
+        if (null !== $name && ('' !== ($name = trim($name)))) {
+            $this->setArgument($name, '');
+        }
+        
+    }
+}

PEAR2/Net/RouterOS/Response.php

@@ -0,0 +1,335 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Refers to transmitter direction constants.
+ */
+use PEAR2\Net\Transmitter as T;
+
+/**
+ * Locks are released upon any exception from anywhere.
+ */
+use Exception as E;
+
+/**
+ * Represents a RouterOS response.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class Response extends Message
+{
+    
+    /**
+     * The last response for a request.
+     */
+    const TYPE_FINAL = '!done';
+    
+    /**
+     * A response with data.
+     */
+    const TYPE_DATA = '!re';
+    
+    /**
+     * A response signifying error.
+     */
+    const TYPE_ERROR = '!trap';
+    
+    /**
+     * A response signifying a fatal error, due to which the connection would be
+     * terminated.
+     */
+    const TYPE_FATAL = '!fatal';
+
+    /**
+     * @var array An array of unrecognized words in network order.
+     */
+    protected $unrecognizedWords = array();
+
+    /**
+     * @var string The response type.
+     */
+    private $_type;
+
+    /**
+     * Extracts a new response from a communicator.
+     * 
+     * @param Communicator $com       The communicator from which to extract
+     *     the new response.
+     * @param bool         $asStream  Whether to populate the argument values
+     *     with streams instead of strings.
+     * @param int          $sTimeout  If a response is not immediatly
+     *     available, wait this many seconds. If NULL, wait indefinetly.
+     * @param int          $usTimeout Microseconds to add to the waiting time.
+     * @param Registry     $reg       An optional registry to sync the
+     *     response with.
+     * 
+     * @see getType()
+     * @see getArgument()
+     */
+    public function __construct(
+        Communicator $com,
+        $asStream = false,
+        $sTimeout = 0,
+        $usTimeout = null,
+        Registry $reg = null
+    ) {
+        if (null === $reg) {
+            if ($com->getTransmitter()->isPersistent()) {
+                $old = $com->getTransmitter()
+                    ->lock(T\Stream::DIRECTION_RECEIVE);
+                try {
+                    $this->_receive($com, $asStream, $sTimeout, $usTimeout);
+                } catch (E $e) {
+                    $com->getTransmitter()->lock($old, true);
+                    throw $e;
+                }
+                $com->getTransmitter()->lock($old, true);
+            } else {
+                $this->_receive($com, $asStream, $sTimeout, $usTimeout);
+            }
+        } else {
+            while (null === ($response = $reg->getNextResponse())) {
+                $newResponse = new self($com, true, $sTimeout, $usTimeout);
+                $tagInfo = $reg::parseTag($newResponse->getTag());
+                $newResponse->setTag($tagInfo[1]);
+                if (!$reg->add($newResponse, $tagInfo[0])) {
+                    $response = $newResponse;
+                    break;
+                }
+            }
+            
+            $this->_type = $response->_type;
+            $this->attributes = $response->attributes;
+            $this->unrecognizedWords = $response->unrecognizedWords;
+            $this->setTag($response->getTag());
+            
+            if (!$asStream) {
+                foreach ($this->attributes as $name => $value) {
+                    $this->setAttribute(
+                        $name,
+                        stream_get_contents($value)
+                    );
+                }
+                foreach ($response->unrecognizedWords as $i => $value) {
+                    $this->unrecognizedWords[$i] = stream_get_contents($value);
+                }
+            }
+        }
+    }
+    
+    /**
+     * Extracts a new response from a communicator.
+     * 
+     * This is the function that performs the actual receiving, while the
+     * constructor is also involved in locks and registry sync.
+     * 
+     * @param Communicator $com       The communicator from which to extract
+     *     the new response.
+     * @param bool         $asStream  Whether to populate the argument values
+     *     with streams instead of strings.
+     * @param int          $sTimeout  If a response is not immediatly
+     *     available, wait this many seconds. If NULL, wait indefinetly.
+     *     Note that if an empty sentence is received, the timeout will be
+     *     reset for another sentence receiving.
+     * @param int          $usTimeout Microseconds to add to the waiting time.
+     * 
+     * @return void
+     */
+    private function _receive(
+        Communicator $com,
+        $asStream = false,
+        $sTimeout = 0,
+        $usTimeout = null
+    ) {
+        do {
+            if (!$com->getTransmitter()->isDataAwaiting(
+                $sTimeout,
+                $usTimeout
+            )) {
+                throw new SocketException(
+                    'No data within the time limit',
+                    SocketException::CODE_NO_DATA
+                );
+            }
+            $type = $com->getNextWord();
+        } while ('' === $type);
+        $this->setType($type);
+        if ($asStream) {
+            for ($word = $com->getNextWordAsStream(), fseek($word, 0, SEEK_END);
+                ftell($word) !== 0;
+                $word = $com->getNextWordAsStream(), fseek(
+                    $word,
+                    0,
+                    SEEK_END
+                )) {
+                rewind($word);
+                $ind = fread($word, 1);
+                if ('=' === $ind || '.' === $ind) {
+                    $prefix = stream_get_line($word, null, '=');
+                }
+                if ('=' === $ind) {
+                    $value = fopen('php://temp', 'r+b');
+                    $bytesCopied = ftell($word);
+                    while (!feof($word)) {
+                        $bytesCopied += stream_copy_to_stream(
+                            $word,
+                            $value,
+                            0xFFFFF,
+                            $bytesCopied
+                        );
+                    }
+                    rewind($value);
+                    $this->setAttribute($prefix, $value);
+                    continue;
+                }
+                if ('.' === $ind && 'tag' === $prefix) {
+                    $this->setTag(stream_get_contents($word, -1, -1));
+                    continue;
+                }
+                rewind($word);
+                $this->unrecognizedWords[] = $word;
+            }
+        } else {
+            for ($word = $com->getNextWord(); '' !== $word;
+                $word = $com->getNextWord()) {
+                if (preg_match('/^=([^=]+)=(.*)$/sS', $word, $matches)) {
+                    $this->setAttribute($matches[1], $matches[2]);
+                } elseif (preg_match('/^\.tag=(.*)$/sS', $word, $matches)) {
+                    $this->setTag($matches[1]);
+                } else {
+                    $this->unrecognizedWords[] = $word;
+                }
+            }
+        }
+    }
+
+    /**
+     * Sets the response type.
+     * 
+     * Sets the response type. Valid values are the TYPE_* constants.
+     * 
+     * @param string $type The new response type.
+     * 
+     * @return $this The response object.
+     * @see getType()
+     */
+    protected function setType($type)
+    {
+        switch ($type) {
+        case self::TYPE_FINAL:
+        case self::TYPE_DATA:
+        case self::TYPE_ERROR:
+        case self::TYPE_FATAL:
+            $this->_type = $type;
+            return $this;
+        default:
+            throw new UnexpectedValueException(
+                'Unrecognized response type.',
+                UnexpectedValueException::CODE_RESPONSE_TYPE_UNKNOWN,
+                null,
+                $type
+            );
+        }
+    }
+
+    /**
+     * Gets the response type.
+     * 
+     * @return string The response type.
+     * @see setType()
+     */
+    public function getType()
+    {
+        return $this->_type;
+    }
+
+    /**
+     * Gets the value of an argument.
+     * 
+     * @param string $name The name of the argument.
+     * 
+     * @return string|resource|null The value of the specified argument.
+     *     Returns NULL if such an argument is not set.
+     * @deprecated 1.0.0b5 Use {@link static::getProperty()} instead.
+     *     This method will be removed upon final release, and is currently
+     *     left standing merely because it can't be easily search&replaced in
+     *     existing code, due to the fact the name "getArgument()" is shared
+     *     with {@link Request::getArgument()}, which is still valid.
+     * @codeCoverageIgnore
+     */
+    public function getArgument($name)
+    {
+        trigger_error(
+            'Response::getArgument() is deprecated in favor of ' .
+            'Response::getProperty() (but note that Request::getArgument() ' .
+            'is still valid)',
+            E_USER_DEPRECATED
+        );
+        return $this->getAttribute($name);
+    }
+
+    /**
+     * Gets the value of a property.
+     * 
+     * @param string $name The name of the property.
+     * 
+     * @return string|resource|null The value of the specified property.
+     *     Returns NULL if such a property is not set.
+     */
+    public function getProperty($name)
+    {
+        return parent::getAttribute($name);
+    }
+
+    /**
+     * Gets a list of unrecognized words.
+     * 
+     * @return array The list of unrecognized words.
+     */
+    public function getUnrecognizedWords()
+    {
+        return $this->unrecognizedWords;
+    }
+
+    /**
+     * Counts the number of arguments or words.
+     * 
+     * @param int $mode The counter mode.
+     *     Either COUNT_NORMAL or COUNT_RECURSIVE.
+     *     When in normal mode, counts the number of arguments.
+     *     When in recursive mode, counts the number of API words.
+     * 
+     * @return int The number of arguments/words.
+     */
+    public function count($mode = COUNT_NORMAL)
+    {
+        $result = parent::count($mode);
+        if ($mode !== COUNT_NORMAL) {
+            $result += count($this->unrecognizedWords);
+        }
+        return $result;
+    }
+}

PEAR2/Net/RouterOS/ResponseCollection.php

@@ -0,0 +1,569 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Implemented by this class.
+ */
+use ArrayAccess;
+
+/**
+ * Implemented by this class.
+ */
+use Countable;
+
+/**
+ * Implemented by this class.
+ */
+use SeekableIterator;
+
+/**
+ * Represents a collection of RouterOS responses.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ * 
+ * @method string getType()
+ *     Calls {@link Response::getType()}
+ *     on the response pointed by the pointer.
+ * @method string[] getUnrecognizedWords()
+ *     Calls {@link Response::getUnrecognizedWords()}
+ *     on the response pointed by the pointer.
+ * @method string|resource|null getProperty(string $name)
+ *     Calls {@link Response::getProperty()}
+ *     on the response pointed by the pointer.
+ * @method string getTag()
+ *     Calls {@link Response::getTag()}
+ *     on the response pointed by the pointer.
+ */
+class ResponseCollection implements ArrayAccess, SeekableIterator, Countable
+{
+    
+    /**
+     * @var array An array with all {@link Response} objects.
+     */
+    protected $responses = array();
+    
+    /**
+     * @var array An array with each {@link Response} object's type.
+     */
+    protected $responseTypes = array();
+    
+    /**
+     * @var array An array with each {@link Response} object's tag.
+     */
+    protected $responseTags = array();
+
+    /**
+     * @var array An array with positions of responses, based on an property
+     *     name. The name of each property is the array key, and the array value
+     *     is another array where the key is the value for that property, and
+     *     the value is the posistion of the response. For performance reasons,
+     *     each key is built only when {@link static::setIndex()} is called with
+     *     that property, and remains available for the lifetime of this
+     *     collection.
+     */
+    protected $responsesIndex = array();
+    
+    /**
+     * @var array An array with all distinct properties across all
+     *     {@link Response} objects. Created at the first call of
+     *     {@link static::getPropertyMap()}.
+     */
+    protected $propertyMap = null;
+    
+    /**
+     * @var int A pointer, as required by SeekableIterator.
+     */
+    protected $position = 0;
+
+    /**
+     * @var string|null Name of property to use as index. NULL when disabled.
+     */
+    protected $index = null;
+
+    /**
+     * @var array Criterias used by {@link compare()} to determine the order
+     *     between two respones. See {@link orderBy()} for a detailed
+     *     description of this array's format.
+     */
+    protected $compareBy = array();
+    
+    /**
+     * Creates a new collection.
+     * 
+     * @param array $responses An array of responses, in network order.
+     */
+    public function __construct(array $responses)
+    {
+        $pos = 0;
+        foreach ($responses as $response) {
+            if ($response instanceof Response) {
+                $this->responseTypes[$pos] = $response->getType();
+                $this->responseTags[$pos] = $response->getTag();
+                $this->responses[$pos++] = $response;
+            }
+        }
+    }
+
+    /**
+     * A shorthand gateway.
+     * 
+     * This is a magic PHP method that allows you to call the object as a
+     * function. Depending on the argument given, one of the other functions in
+     * the class is invoked and its returned value is returned by this function.
+     * 
+     * @param int|string|null $offset The offset of the response to seek to.
+     *     If the offset is negative, seek to that relative to the end.
+     *     If the collection is indexed, you can also supply a value to seek to.
+     *     Setting NULL will get the current response's interator.
+     * 
+     * @return Response|ArrayObject The {@link Response} at the specified
+     *     offset, the current response's iterator (which is an ArrayObject)
+     *     when NULL is given, or FALSE if the offset is invalid
+     *     or the collection is empty.
+     */
+    public function __invoke($offset = null)
+    {
+        return null === $offset
+            ? $this->current()->getIterator()
+            : $this->seek($offset);
+    }
+
+    /**
+     * Sets a property to be usable as a key in the collection.
+     * 
+     * @param string|null $name The name of the property to use. Future calls
+     *     that accept a position will then also be able to search values of
+     *     that property for a matching value.
+     *     Specifying NULL will disable such lookups (as is by default).
+     *     Note that in case this value occures multiple times within the
+     *     collection, only the last matching response will be accessible by
+     *     that value.
+     * 
+     * @return $this The object itself.
+     */
+    public function setIndex($name)
+    {
+        if (null !== $name) {
+            $name = (string)$name;
+            if (!isset($this->responsesIndex[$name])) {
+                $this->responsesIndex[$name] = array();
+                foreach ($this->responses as $pos => $response) {
+                    $val = $response->getProperty($name);
+                    if (null !== $val) {
+                        $this->responsesIndex[$name][$val] = $pos;
+                    }
+                }
+            }
+        }
+        $this->index = $name;
+        return $this;
+    }
+
+    /**
+     * Gets the name of the property used as an index.
+     * 
+     * @return string|null Name of property used as index. NULL when disabled.
+     */
+    public function getIndex()
+    {
+        return $this->index;
+    }
+
+    /**
+     * Gets the whole collection as an array.
+     * 
+     * @param bool $useIndex Whether to use the index values as keys for the
+     *     resulting array.
+     * 
+     * @return array An array with all responses, in network order.
+     */
+    public function toArray($useIndex = false)
+    {
+        if ($useIndex) {
+            $positions = $this->responsesIndex[$this->index];
+            asort($positions, SORT_NUMERIC);
+            $positions = array_flip($positions);
+            return array_combine(
+                $positions,
+                array_intersect_key($this->responses, $positions)
+            );
+        }
+        return $this->responses;
+    }
+
+    /**
+     * Counts the responses/words in the collection.
+     * 
+     * @param int $mode The counter mode.
+     *     Either COUNT_NORMAL or COUNT_RECURSIVE.
+     *     When in normal mode, counts the number of responses.
+     *     When in recursive mode, counts the total number of API words.
+     * 
+     * @return int The number of responses in the collection.
+     */
+    public function count($mode = COUNT_NORMAL)
+    {
+        if ($mode !== COUNT_NORMAL) {
+            $result = 0;
+            foreach ($this->responses as $response) {
+                $result += $response->count($mode);
+            }
+            return $result;
+        } else {
+            return count($this->responses);
+        }
+    }
+
+    /**
+     * Checks if an offset exists.
+     * 
+     * @param int|string $offset The offset to check. If the
+     *     collection is indexed, you can also supply a value to check.
+     *     Note that negative numeric offsets are NOT accepted.
+     * 
+     * @return bool TRUE if the offset exists, FALSE otherwise.
+     */
+    public function offsetExists($offset)
+    {
+        return is_int($offset)
+            ? array_key_exists($offset, $this->responses)
+            : array_key_exists($offset, $this->responsesIndex[$this->index]);
+    }
+
+    /**
+     * Gets a {@link Response} from a specified offset.
+     * 
+     * @param int|string $offset The offset of the desired response. If the
+     *     collection is indexed, you can also supply the value to search for.
+     * 
+     * @return Response The response at the specified offset.
+     */
+    public function offsetGet($offset)
+    {
+        return is_int($offset)
+            ? $this->responses[$offset >= 0
+            ? $offset
+            : count($this->responses) + $offset]
+            : $this->responses[$this->responsesIndex[$this->index][$offset]];
+    }
+
+    /**
+     * N/A
+     * 
+     * This method exists only because it is required for ArrayAccess. The
+     * collection is read only.
+     * 
+     * @param int|string $offset N/A
+     * @param Response   $value  N/A
+     * 
+     * @return void
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function offsetSet($offset, $value)
+    {
+        
+    }
+
+    /**
+     * N/A
+     * 
+     * This method exists only because it is required for ArrayAccess. The
+     * collection is read only.
+     * 
+     * @param int|string $offset N/A
+     * 
+     * @return void
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function offsetUnset($offset)
+    {
+        
+    }
+
+    /**
+     * Resets the pointer to 0, and returns the first response.
+     * 
+     * @return Response The first response in the collection, or FALSE if the
+     *     collection is empty.
+     */
+    public function rewind()
+    {
+        return $this->seek(0);
+    }
+
+    /**
+     * Moves the position pointer to a specified position.
+     * 
+     * @param int|string $position The position to move to. If the collection is
+     *     indexed, you can also supply a value to move the pointer to.
+     *     A non-existent index will move the pointer to "-1".
+     * 
+     * @return Response The {@link Response} at the specified position, or FALSE
+     *     if the specified position is not valid.
+     */
+    public function seek($position)
+    {
+        $this->position = is_int($position)
+            ? ($position >= 0
+            ? $position
+            : count($this->responses) + $position)
+            : ($this->offsetExists($position)
+            ? $this->responsesIndex[$this->index][$position]
+            : -1);
+        return $this->current();
+    }
+
+    /**
+     * Moves the pointer forward by 1, and gets the next response.
+     * 
+     * @return Response The next {@link Response} object, or FALSE if the
+     *     position is not valid.
+     */
+    public function next()
+    {
+        ++$this->position;
+        return $this->current();
+    }
+
+    /**
+     * Gets the response at the current pointer position.
+     * 
+     * @return Response The response at the current pointer position, or FALSE
+     *     if the position is not valid.
+     */
+    public function current()
+    {
+        return $this->valid() ? $this->responses[$this->position] : false;
+    }
+
+    /**
+     * Moves the pointer backwards by 1, and gets the previous response.
+     * 
+     * @return Response The next {@link Response} object, or FALSE if the
+     *     position is not valid.
+     */
+    public function prev()
+    {
+        --$this->position;
+        return $this->current();
+    }
+
+    /**
+     * Moves the pointer to the last valid position, and returns the last
+     * response.
+     * 
+     * @return Response The last response in the collection, or FALSE if the
+     *     collection is empty.
+     */
+    public function end()
+    {
+        $this->position = count($this->responses) - 1;
+        return $this->current();
+    }
+
+    /**
+     * Gets the key at the current pointer position.
+     * 
+     * @return int The key at the current pointer position, i.e. the pointer
+     *     position itself, or FALSE if the position is not valid.
+     */
+    public function key()
+    {
+        return $this->valid() ? $this->position : false;
+    }
+
+    /**
+     * Checks if the pointer is still pointing to an existing offset.
+     * 
+     * @return bool TRUE if the pointer is valid, FALSE otherwise.
+     */
+    public function valid()
+    {
+        return $this->offsetExists($this->position);
+    }
+
+    /**
+     * Gets all distinct property names.
+     * 
+     * Gets all distinct property names across all responses.
+     * 
+     * @return array An array with all distinct property names as keys, and the
+     *     indexes at which they occur as values.
+     */
+    public function getPropertyMap()
+    {
+        if (null === $this->propertyMap) {
+            $properties = array();
+            foreach ($this->responses as $index => $response) {
+                $names = array_keys($response->getIterator()->getArrayCopy());
+                foreach ($names as $name) {
+                    if (!isset($properties[$name])) {
+                        $properties[$name] = array();
+                    }
+                    $properties[$name][] = $index;
+                }
+            }
+            $this->propertyMap = $properties;
+        }
+        return $this->propertyMap;
+    }
+
+    /**
+     * Gets all responses of a specified type.
+     * 
+     * @param string $type The response type to filter by. Valid values are the
+     *     Response::TYPE_* constants.
+     * 
+     * @return static A new collection with responses of the
+     *     specified type.
+     */
+    public function getAllOfType($type)
+    {
+        $result = array();
+        foreach (array_keys($this->responseTypes, $type, true) as $index) {
+            $result[] = $this->responses[$index];
+        }
+        return new static($result);
+    }
+
+    /**
+     * Gets all responses with a specified tag.
+     * 
+     * @param string $tag The tag to filter by.
+     * 
+     * @return static A new collection with responses having the
+     *     specified tag.
+     */
+    public function getAllTagged($tag)
+    {
+        $result = array();
+        foreach (array_keys($this->responseTags, $tag, true) as $index) {
+            $result[] = $this->responses[$index];
+        }
+        return new static($result);
+    }
+
+    /**
+     * Order resones by criteria.
+     * 
+     * @param mixed[] $criteria The criteria to order respones by. It takes the
+     *     form of an array where each key is the name of the property to use
+     *     as (N+1)th sorting key. The value of each member can be either NULL
+     *     (for that property, sort normally in ascending order), a single sort
+     *     order constant (SORT_ASC or SORT_DESC) to sort normally in the
+     *     specified order, an array where the first member is an order
+     *     constant, and the second one is sorting flags (same as built in PHP
+     *     array functions) or a callback.
+     *     If a callback is provided, it must accept two arguments
+     *     (the two values to be compared), and return -1, 0 or 1 if the first
+     *     value is respectively less than, equal to or greather than the second
+     *     one.
+     *     Each key of $criteria can also be numeric, in which case the
+     *     value is the name of the property, and sorting is done normally in
+     *     ascending order.
+     * 
+     * @return static A new collection with the responses sorted in the
+     *     specified order.
+     */
+    public function orderBy(array $criteria)
+    {
+        $this->compareBy = $criteria;
+        $sortedResponses = $this->responses;
+        usort($sortedResponses, array($this, 'compare'));
+        return new static($sortedResponses);
+    }
+
+    /**
+     * Calls a method of the response pointed by the pointer.
+     * 
+     * Calls a method of the response pointed by the pointer. This is a magic
+     * PHP method, thanks to which any function you call on the collection that
+     * is not defined will be redirected to the response.
+     * 
+     * @param string $method The name of the method to call.
+     * @param array  $args   The arguments to pass to the method.
+     * 
+     * @return mixed Whatever the called function returns.
+     */
+    public function __call($method, array $args)
+    {
+        return call_user_func_array(
+            array($this->current(), $method),
+            $args
+        );
+    }
+
+    /**
+     * Compares two respones.
+     * 
+     * Compares two respones, based on criteria defined in
+     * {@link static::$compareBy}.
+     * 
+     * @param Response $itemA The response to compare.
+     * @param Response $itemB The response to compare $a against.
+     * 
+     * @return int Returns 0 if the two respones are equal according to every
+     *     criteria specified, -1 if $a should be placed before $b, and 1 if $b
+     *     should be placed before $a.
+     */
+    protected function compare(Response $itemA, Response $itemB)
+    {
+        foreach ($this->compareBy as $name => $spec) {
+            if (!is_string($name)) {
+                $name = $spec;
+                $spec = null;
+            }
+
+            $members = array(
+                0 => $itemA->getProperty($name),
+                1 => $itemB->getProperty($name)
+            );
+
+            if (is_callable($spec)) {
+                uasort($members, $spec);
+            } elseif ($members[0] === $members[1]) {
+                continue;
+            } else {
+                $flags = SORT_REGULAR;
+                $order = SORT_ASC;
+                if (is_array($spec)) {
+                    list($order, $flags) = $spec;
+                } elseif (null !== $spec) {
+                    $order = $spec;
+                }
+
+                if (SORT_ASC === $order) {
+                    asort($members, $flags);
+                } else {
+                    arsort($members, $flags);
+                }
+            }
+            return (key($members) === 0) ? -1 : 1;
+        }
+
+        return 0;
+    }
+}

PEAR2/Net/RouterOS/SocketException.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+/**
+ * Base of this class.
+ */
+use RuntimeException;
+
+/**
+ * Exception thrown when something goes wrong with the connection.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class SocketException extends RuntimeException implements Exception
+{
+    const CODE_SERVICE_INCOMPATIBLE = 10200;
+    const CODE_CONNECTION_FAIL = 100;
+    const CODE_QUERY_SEND_FAIL = 30600;
+    const CODE_REQUEST_SEND_FAIL = 40900;
+    const CODE_NO_DATA = 50000;
+}

PEAR2/Net/RouterOS/UnexpectedValueException.php

@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * RouterOS API client implementation.
+ * 
+ * RouterOS is the flag product of the company MikroTik and is a powerful router software. One of its many abilities is to allow control over it via an API. This package provides a client for that API, in turn allowing you to use PHP to control RouterOS hosts.
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_RouterOS
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0b5
+ * @link      http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\RouterOS;
+
+use UnexpectedValueException as U;
+
+/**
+ * Exception thrown when encountering an invalid value in a function argument.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_RouterOS
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_RouterOS
+ */
+class UnexpectedValueException extends U implements Exception
+{
+    const CODE_CALLBACK_INVALID = 10502;
+    const CODE_ACTION_UNKNOWN = 30100;
+    const CODE_RESPONSE_TYPE_UNKNOWN = 50100;
+
+    /**
+     * @var mixed The unexpected value.
+     */
+    private $_value;
+
+    /**
+     * Creates a new UnexpectedValueException.
+     * 
+     * @param string     $message  The Exception message to throw.
+     * @param int        $code     The Exception code.
+     * @param \Exception $previous The previous exception used for the exception
+     *     chaining.
+     * @param mixed      $value    The unexpected value.
+     */
+    public function __construct(
+        $message,
+        $code = 0,
+        $previous = null,
+        $value = null
+    ) {
+        parent::__construct($message, $code, $previous);
+        $this->_value = $value;
+    }
+
+    /**
+     * Gets the unexpected value.
+     * 
+     * @return mixed The unexpected value.
+     */
+    public function getValue()
+    {
+        return $this->_value;
+    }
+
+    // @codeCoverageIgnoreStart
+    // String representation is not reliable in testing
+
+    /**
+     * Returns a string representation of the exception.
+     * 
+     * @return string The exception as a string.
+     */
+    public function __toString()
+    {
+        return parent::__toString() . "\nValue:{$this->_value}";
+    }
+
+    // @codeCoverageIgnoreEnd
+}

PEAR2/Net/Transmitter/Exception.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * Generic exception class of this package.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+interface Exception
+{
+}

PEAR2/Net/Transmitter/FilterCollection.php

@@ -0,0 +1,229 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * A filter collection.
+ * 
+ * Represents a collection of stream filters.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ * @see      Client
+ */
+class FilterCollection implements \SeekableIterator, \Countable
+{
+    /**
+     * @var array The filter collection itself.
+     */
+    protected $filters = array();
+    
+    /**
+     * @var int A pointer, as required by SeekableIterator.
+     */
+    protected $position = 0;
+    
+    /**
+     * Appends a filter to the collection
+     * 
+     * @param string $name   The name of the filter.
+     * @param array  $params An array of parameters for the filter.
+     * 
+     * @return $this The collection itself.
+     */
+    public function append($name, array $params = array())
+    {
+        $this->filters[] = array((string) $name, $params);
+        return $this;
+    }
+    
+    /**
+     * Inserts the filter before a position.
+     * 
+     * Inserts the specified filter before a filter at a specified position. The
+     * new filter takes the specified position, while previous filters are moved
+     * forward by one.
+     * 
+     * @param int    $position The position before which the filter will be
+     *     inserted.
+     * @param string $name     The name of the filter.
+     * @param array  $params   An array of parameters for the filter.
+     * 
+     * @return $this The collection itself.
+     */
+    public function insertBefore($position, $name, array $params = array())
+    {
+        $position = (int) $position;
+        if ($position <= 0) {
+            $this->filters = array_merge(
+                array(0 => array((string) $name, $params)),
+                $this->filters
+            );
+            return $this;
+        }
+        if ($position > count($this->filters)) {
+            return $this->append($name, $params);
+        }
+        $this->filters = array_merge(
+            array_slice($this->filters, 0, $position),
+            array(0 => array((string) $name, $params)),
+            array_slice($this->filters, $position)
+        );
+        return $this;
+    }
+    
+    /**
+     * Removes a filter at a specified position.
+     * 
+     * @param int $position The position from which to remove a filter.
+     * 
+     * @return $this The collection itself.
+     */
+    public function removeAt($position)
+    {
+        unset($this->filters[$position]);
+        $this->filters = array_values($this->filters);
+        return $this;
+    }
+    
+    /**
+     * Clears the collection
+     * 
+     * @return $this The collection itself.
+     */
+    public function clear()
+    {
+        $this->filters = array();
+        return $this;
+    }
+
+    /**
+     * Gets the number of filters in the collection.
+     * 
+     * @return int The number of filters in the collection.
+     */
+    public function count()
+    {
+        return count($this->filters);
+    }
+
+    /**
+     * Resets the pointer to 0.
+     * 
+     * @return bool TRUE if the collection is not empty, FALSE otherwise.
+     */
+    public function rewind()
+    {
+        return $this->seek(0);
+    }
+
+    /**
+     * Moves the pointer to a specified position.
+     * 
+     * @param int $position The position to move to.
+     * 
+     * @return bool TRUE if the specified position is valid, FALSE otherwise.
+     */
+    public function seek($position)
+    {
+        $this->position = $position;
+        return $this->valid();
+    }
+    
+    /**
+     * Gets the current position.
+     * 
+     * @return int The current position.
+     */
+    public function getCurrentPosition()
+    {
+        return $this->position;
+    }
+
+    /**
+     * Moves the pointer forward by 1.
+     * 
+     * @return bool TRUE if the new position is valid, FALSE otherwise.
+     */
+    public function next()
+    {
+        ++$this->position;
+        return $this->valid();
+    }
+
+    /**
+     * Gets the filter name at the current pointer position.
+     * 
+     * @return string The name of the filter at the current position.
+     */
+    public function key()
+    {
+        return $this->valid() ? $this->filters[$this->position][0] : false;
+    }
+
+    /**
+     * Gets the filter parameters at the current pointer position.
+     * 
+     * @return array An array of parameters for the filter at the current
+     *     position.
+     */
+    public function current()
+    {
+        return $this->valid() ? $this->filters[$this->position][1] : false;
+    }
+
+    /**
+     * Moves the pointer backwards by 1.
+     * 
+     * @return bool TRUE if the new position is valid, FALSE otherwise.
+     */
+    public function prev()
+    {
+        --$this->position;
+        return $this->valid();
+    }
+
+    /**
+     * Moves the pointer to the last valid position.
+     * 
+     * @return bool TRUE if the collection is not empty, FALSE otherwise.
+     */
+    public function end()
+    {
+        $this->position = count($this->filters) - 1;
+        return $this->valid();
+    }
+
+    /**
+     * Checks if the pointer is still pointing to an existing offset.
+     * 
+     * @return bool TRUE if the pointer is valid, FALSE otherwise.
+     */
+    public function valid()
+    {
+        return array_key_exists($this->position, $this->filters);
+    }
+}

PEAR2/Net/Transmitter/LockException.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * Exception thrown when something goes wrong when dealing with locks.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class LockException extends \RuntimeException implements Exception
+{
+}

PEAR2/Net/Transmitter/NetworkStream.php

@@ -0,0 +1,181 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * A network transmitter.
+ * 
+ * This is a convinience wrapper for network streams. Used to ensure data
+ * integrity.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+abstract class NetworkStream extends Stream
+{
+    /**
+     * Used in {@link setCrypto()} to disable encryption.
+     */
+    const CRYPTO_OFF = '';
+
+    /**
+     * Used in {@link setCrypto()} to set encryption to either SSLv2 or SSLv3,
+     * depending on what the other end supports.
+     */
+    const CRYPTO_SSL = 'SSLv23';
+
+    /**
+     * Used in {@link setCrypto()} to set encryption to SSLv2.
+     */
+    const CRYPTO_SSL2 = 'SSLv2';
+
+    /**
+     * Used in {@link setCrypto()} to set encryption to SSLv3.
+     */
+    const CRYPTO_SSL3 = 'SSLv3';
+
+    /**
+     * Used in {@link setCrypto()} to set encryption to TLS (exact version
+     * negotiated between 1.0 and 1.2).
+     */
+    const CRYPTO_TLS = 'TLS';
+    
+    /**
+     * @var string The type of stream. Can be either "_CLIENT" or "_SERVER".
+     *     Used to complement the encryption type. Must be set by child classes
+     *     for {@link setCrypto()} to work properly.
+     */
+    protected $streamType = '';
+
+    /**
+     * @var string The current cryptography setting.
+     */
+    protected $crypto = '';
+
+    /**
+     * Wraps around the specified stream.
+     * 
+     * @param resource $stream The stream to wrap around.
+     */
+    public function __construct($stream)
+    {
+        parent::__construct($stream, true);
+    }
+
+    /**
+     * Gets the current cryptography setting.
+     * 
+     * @return string One of this class' CRYPTO_* constants.
+     */
+    public function getCrypto()
+    {
+        return $this->crypto;
+    }
+
+    /**
+     * Sets the current connection's cryptography setting.
+     * 
+     * @param string $type The encryption type to set. Must be one of this
+     *     class' CRYPTO_* constants.
+     * 
+     * @return boolean TRUE on success, FALSE on failure.
+     */
+    public function setCrypto($type)
+    {
+        if (self::CRYPTO_OFF === $type) {
+            $result = stream_socket_enable_crypto($this->stream, false);
+        } else {
+            $result = stream_socket_enable_crypto(
+                $this->stream,
+                true,
+                constant("STREAM_CRYPTO_METHOD_{$type}{$this->streamType}")
+            );
+        }
+
+        if ($result) {
+            $this->crypto = $type;
+        }
+        return $result;
+    }
+
+    /**
+     * Checks whether the stream is available for operations.
+     * 
+     * @return bool TRUE if the stream is available, FALSE otherwise.
+     */
+    public function isAvailable()
+    {
+        if (parent::isStream($this->stream)) {
+            if ($this->isBlocking && feof($this->stream)) {
+                return false;
+            }
+            $meta = stream_get_meta_data($this->stream);
+            return !$meta['eof'];
+        }
+        return false;
+    }
+    
+    /**
+     * Sets the size of a stream's buffer.
+     * 
+     * @param int    $size      The desired size of the buffer, in bytes.
+     * @param string $direction The buffer of which direction to set. Valid
+     *     values are the DIRECTION_* constants.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function setBuffer($size, $direction = self::DIRECTION_ALL)
+    {
+        $result = parent::setBuffer($size, $direction);
+        if (self::DIRECTION_SEND === $direction
+            && function_exists('stream_set_chunk_size') && !$result
+        ) {
+            return false !== @stream_set_chunk_size($this->stream, $size);
+        }
+        return $result;
+    }
+    
+    /**
+     * Shutdown a full-duplex connection
+     * 
+     * Shutdowns (partially or not) a full-duplex connection.
+     * 
+     * @param string $direction The direction for which to disable further
+     *     communications.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function shutdown($direction = self::DIRECTION_ALL)
+    {
+        $directionMap = array(
+            self::DIRECTION_ALL => STREAM_SHUT_RDWR,
+            self::DIRECTION_SEND => STREAM_SHUT_WR,
+            self::DIRECTION_RECEIVE => STREAM_SHUT_RD
+        );
+        return array_key_exists($direction, $directionMap)
+            && stream_socket_shutdown($this->stream, $directionMap[$direction]);
+    }
+}

PEAR2/Net/Transmitter/SocketException.php

@@ -0,0 +1,124 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * Used to enable any exception in chaining.
+ */
+use Exception as E;
+
+/**
+ * Exception thrown when something goes wrong with the connection.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class SocketException extends StreamException
+{
+
+    /**
+     * @var int The system level error code.
+     */
+    protected $errorNo;
+
+    /**
+     * @var string The system level error message.
+     */
+    protected $errorStr;
+
+    /**
+     * Creates a new socket exception.
+     * 
+     * @param string                   $message  The Exception message to throw.
+     * @param int                      $code     The Exception code.
+     * @param E|null                   $previous Previous exception thrown,
+     *     or NULL if there is none.
+     * @param int|string|resource|null $fragment The fragment up until the
+     *     point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     *     NULL if the failure occured before the operation started.
+     * @param int                      $errorNo  The system level error number.
+     * @param string                   $errorStr The system level
+     *     error message.
+     */
+    public function __construct(
+        $message = '',
+        $code = 0,
+        E $previous = null,
+        $fragment = null,
+        $errorNo = null,
+        $errorStr = null
+    ) {
+        parent::__construct($message, $code, $previous, $fragment);
+        $this->errorNo = $errorNo;
+        $this->errorStr = $errorStr;
+    }
+
+    /**
+     * Gets the system level error code on the socket.
+     * 
+     * @return int The system level error number.
+     */
+    public function getSocketErrorNumber()
+    {
+        return $this->errorNo;
+    }
+
+    // @codeCoverageIgnoreStart
+    // Unreliable in testing.
+
+    /**
+     * Gets the system level error message on the socket.
+     * 
+     * @return string The system level error message.
+     */
+    public function getSocketErrorMessage()
+    {
+        return $this->errorStr;
+    }
+
+    /**
+     * Returns a string representation of the exception.
+     * 
+     * @return string The exception as a string.
+     */
+    public function __toString()
+    {
+        $result = parent::__toString();
+        if (null !== $this->getSocketErrorNumber()) {
+            $result .= "\nSocket error number:" . $this->getSocketErrorNumber();
+        }
+        if (null !== $this->getSocketErrorMessage()) {
+            $result .= "\nSocket error message:"
+                . $this->getSocketErrorMessage();
+        }
+        return $result;
+    }
+    // @codeCoverageIgnoreEnd
+}

PEAR2/Net/Transmitter/Stream.php

@@ -0,0 +1,605 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+use Exception as E;
+
+/**
+ * A stream transmitter.
+ * 
+ * This is a convinience wrapper for stream functionality. Used to ensure data
+ * integrity. Designed for TCP sockets, but it has intentionally been made to
+ * accept any stream.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class Stream
+{
+    /**
+     * Used to stop settings in either direction being applied.
+     */
+    const DIRECTION_NONE = 0;
+    /**
+     * Used to apply settings only to receiving.
+     */
+    const DIRECTION_RECEIVE = 1;
+    /**
+     * Used to apply settings only to sending.
+     */
+    const DIRECTION_SEND = 2;
+    /**
+     * Used to apply settings to both sending and receiving.
+     */
+    const DIRECTION_ALL = 3;
+
+    /**
+     * @var resource The stream to wrap around.
+     */
+    protected $stream;
+
+    /**
+     * @var bool Whether to automaticaly close the stream on
+     *     object destruction if it's not a persistent one. Setting this to
+     *     FALSE may be useful if you're only using this class "part time",
+     *     while setting it to TRUE might be useful if you're doing some
+     *     "on offs".
+     */
+    protected $autoClose = false;
+
+    /**
+     * @var bool A flag that tells whether or not the stream is persistent.
+     */
+    protected $persist;
+
+    /**
+     * @var bool Whether the wrapped stream is in blocking mode or not.
+     */
+    protected $isBlocking = true;
+    
+    /**
+     * @var array An associative array with the chunk size of each direction.
+     *     Key is the direction, value is the size in bytes as integer.
+     */
+    protected $chunkSize = array(
+        self::DIRECTION_SEND => 0xFFFFF, self::DIRECTION_RECEIVE => 0xFFFFF
+    );
+
+    /**
+     * Wraps around the specified stream.
+     * 
+     * @param resource $stream    The stream to wrap around.
+     * @param bool     $autoClose Whether to automaticaly close the stream on
+     *     object destruction if it's not a persistent one. Setting this to
+     *     FALSE may be useful if you're only using this class "part time",
+     *     while setting it to TRUE might be useful if you're doing some
+     *     "on offs".
+     * 
+     * @see static::isFresh()
+     */
+    public function __construct($stream, $autoClose = false)
+    {
+        if (!self::isStream($stream)) {
+            throw $this->createException('Invalid stream supplied.', 1);
+        }
+        $this->stream = $stream;
+        $this->autoClose = (bool) $autoClose;
+        $this->persist = (bool) preg_match(
+            '#\s?persistent\s?#sm',
+            get_resource_type($stream)
+        );
+        $meta = stream_get_meta_data($stream);
+        $this->isBlocking = isset($meta['blocked']) ? $meta['blocked'] : true;
+    }
+
+    /**
+     * PHP error handler for connection errors.
+     * 
+     * @param string $level   Level of PHP error raised. Ignored.
+     * @param string $message Message raised by PHP.
+     * 
+     * @return void
+     * @throws SocketException That's how the error is handled.
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    protected function handleError($level, $message)
+    {
+        throw $this->createException($message, 0);
+    }
+
+    /**
+     * Checks if a given variable is a stream resource.
+     * 
+     * @param mixed $var The variable to check.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public static function isStream($var)
+    {
+        return is_resource($var)
+            && (bool) preg_match('#\s?stream$#sm', get_resource_type($var));
+    }
+
+    /**
+     * Checks whether the wrapped stream is fresh.
+     * 
+     * Checks whether the wrapped stream is fresh. A stream is considered fresh
+     * if there hasn't been any activity on it. Particularly useful for
+     * detecting reused persistent connections.
+     * 
+     * @return bool TRUE if the socket is fresh, FALSE otherwise.
+     */
+    public function isFresh()
+    {
+        return ftell($this->stream) === 0;
+    }
+
+    /**
+     * Checks whether the wrapped stream is a persistent one.
+     * 
+     * @return bool TRUE if the stream is a persistent one, FALSE otherwise. 
+     */
+    public function isPersistent()
+    {
+        return $this->persist;
+    }
+
+    /**
+     * Checks whether the wrapped stream is a blocking one.
+     * 
+     * @return bool TRUE if the stream is a blocking one, FALSE otherwise. 
+     */
+    public function isBlocking()
+    {
+        return $this->isBlocking;
+    }
+
+    /**
+     * Sets blocking mode.
+     * 
+     * @param bool $block Sets whether the stream is in blocking mode.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function setIsBlocking($block)
+    {
+        $block = (bool)$block;
+        if (stream_set_blocking($this->stream, (int)$block)) {
+            $this->isBlocking = $block;
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Sets the timeout for the stream.
+     * 
+     * @param int $seconds      Timeout in seconds.
+     * @param int $microseconds Timeout in microseconds to be added to the
+     *     seconds.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function setTimeout($seconds, $microseconds = 0)
+    {
+        return stream_set_timeout($this->stream, $seconds, $microseconds);
+    }
+    
+    /**
+     * Sets the size of a stream's buffer.
+     * 
+     * @param int    $size      The desired size of the buffer, in bytes.
+     * @param string $direction The buffer of which direction to set. Valid
+     *     values are the DIRECTION_* constants.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function setBuffer($size, $direction = self::DIRECTION_ALL)
+    {
+        switch($direction) {
+        case self::DIRECTION_SEND:
+            return stream_set_write_buffer($this->stream, $size) === 0;
+        case self::DIRECTION_RECEIVE:
+            return stream_set_read_buffer($this->stream, $size) === 0;
+        case self::DIRECTION_ALL:
+            return $this->setBuffer($size, self::DIRECTION_RECEIVE)
+                && $this->setBuffer($size, self::DIRECTION_SEND);
+        }
+        return false;
+    }
+    
+    /**
+     * Sets the size of the chunk.
+     * 
+     * To ensure data integrity, as well as to allow for lower memory
+     * consumption, data is sent/received in chunks. This function
+     * allows you to set the size of each chunk. The default is 0xFFFFF.
+     * 
+     * @param int    $size      The desired size of the chunk, in bytes.
+     * @param string $direction The chunk of which direction to set. Valid
+     *     values are the DIRECTION_* constants.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function setChunk($size, $direction = self::DIRECTION_ALL)
+    {
+        $size = (int) $size;
+        if ($size <= 0) {
+            return false;
+        }
+        switch($direction) {
+        case self::DIRECTION_SEND:
+        case self::DIRECTION_RECEIVE:
+            $this->chunkSize[$direction] = $size;
+            return true;
+        case self::DIRECTION_ALL:
+            $this->chunkSize[self::DIRECTION_SEND]
+                = $this->chunkSize[self::DIRECTION_RECEIVE] = $size;
+            return true;
+        }
+        return false;
+    }
+    
+    /**
+     * Gets the size of the chunk.
+     * 
+     * @param string $direction The chunk of which direction to get. Valid
+     *     values are the DIRECTION_* constants.
+     * 
+     * @return int|array|false The chunk size in bytes,
+     *     or an array of chunk sizes with the directions as keys.
+     *     FALSE on invalid direction.
+     */
+    public function getChunk($direction = self::DIRECTION_ALL)
+    {
+        switch($direction) {
+        case self::DIRECTION_SEND:
+        case self::DIRECTION_RECEIVE:
+            return $this->chunkSize[$direction];
+        case self::DIRECTION_ALL:
+            return $this->chunkSize;
+        }
+        return false;
+    }
+
+    /**
+     * Sends a string or stream over the wrapped stream.
+     * 
+     * Sends a string or stream over the wrapped stream. If a seekable stream is
+     * provided, it will be seeked back to the same position it was passed as,
+     * regardless of the $offset parameter.
+     * 
+     * @param string|resource $contents The string or stream to send.
+     * @param int             $offset   The offset from which to start sending.
+     *     If a stream is provided, and this is set to NULL, sending will start
+     *     from the current stream position.
+     * @param int             $length   The maximum length to send. If omitted,
+     *     the string/stream will be sent to its end.
+     * 
+     * @return int The number of bytes sent.
+     */
+    public function send($contents, $offset = null, $length = null)
+    {
+        $bytes = 0;
+        $chunkSize = $this->chunkSize[self::DIRECTION_SEND];
+        $lengthIsNotNull = null !== $length;
+        $offsetIsNotNull = null !== $offset;
+        if (self::isStream($contents)) {
+            if ($offsetIsNotNull) {
+                $oldPos = ftell($contents);
+                fseek($contents, $offset, SEEK_SET);
+            }
+            while (!feof($contents)) {
+                if ($lengthIsNotNull
+                    && 0 === $chunkSize = min($chunkSize, $length - $bytes)
+                ) {
+                    break;
+                }
+                $bytesNow = @fwrite(
+                    $this->stream,
+                    fread($contents, $chunkSize)
+                );
+                if (0 != $bytesNow) {
+                    $bytes += $bytesNow;
+                } elseif ($this->isBlocking || false === $bytesNow) {
+                    throw $this->createException(
+                        'Failed while sending stream.',
+                        2,
+                        null,
+                        $bytes
+                    );
+                } else {
+                    usleep(300000);
+                }
+                $this->isAcceptingData(null);
+            }
+            if ($offsetIsNotNull) {
+                fseek($contents, $oldPos, SEEK_SET);
+            } else {
+                fseek($contents, -$bytes, SEEK_CUR);
+            }
+        } else {
+            $contents = (string) $contents;
+            if ($offsetIsNotNull) {
+                $contents = substr($contents, $offset);
+            }
+            if ($lengthIsNotNull) {
+                $contents = substr($contents, 0, $length);
+            }
+            $bytesToSend = (double) sprintf('%u', strlen($contents));
+            while ($bytes < $bytesToSend) {
+                $bytesNow = @fwrite(
+                    $this->stream,
+                    substr($contents, $bytes, $chunkSize)
+                );
+                if (0 != $bytesNow) {
+                    $bytes += $bytesNow;
+                } elseif ($this->isBlocking || false === $bytesNow) {
+                    throw $this->createException(
+                        'Failed while sending string.',
+                        3,
+                        null,
+                        $bytes
+                    );
+                } else {
+                    usleep(300000);
+                }
+                $this->isAcceptingData(null);
+            }
+        }
+        return $bytes;
+    }
+
+    /**
+     * Reads from the wrapped stream to receive.
+     * 
+     * Reads from the wrapped stream to receive content as a string.
+     * 
+     * @param int    $length The number of bytes to receive.
+     * @param string $what   Descriptive string about what is being received
+     *     (used in exception messages).
+     * 
+     * @return string The received content.
+     */
+    public function receive($length, $what = 'data')
+    {
+        $result = '';
+        $chunkSize = $this->chunkSize[self::DIRECTION_RECEIVE];
+        while ($length > 0) {
+            while ($this->isAvailable()) {
+                $fragment = fread($this->stream, min($length, $chunkSize));
+                if ('' != $fragment) {
+                    $length -= strlen($fragment);
+                    $result .= $fragment;
+                    continue 2;
+                } elseif (!$this->isBlocking && !(false === $fragment)) {
+                    usleep(3000);
+                    continue 2;
+                }
+            }
+            throw $this->createException(
+                "Failed while receiving {$what}",
+                4,
+                null,
+                $result
+            );
+        }
+        return $result;
+    }
+
+    /**
+     * Reads from the wrapped stream to receive.
+     * 
+     * Reads from the wrapped stream to receive content as a stream.
+     * 
+     * @param int              $length  The number of bytes to receive.
+     * @param FilterCollection $filters A collection of filters to apply to the
+     *     stream while receiving. Note that the filters will not be present on
+     *     the stream after receiving is done.
+     * @param string           $what    Descriptive string about what is being
+     *     received (used in exception messages).
+     * 
+     * @return resource The received content.
+     */
+    public function receiveStream(
+        $length,
+        FilterCollection $filters = null,
+        $what = 'stream data'
+    ) {
+        $result = fopen('php://temp', 'r+b');
+        $appliedFilters = array();
+        if (null !== $filters) {
+            foreach ($filters as $filtername => $params) {
+                $appliedFilters[] = stream_filter_append(
+                    $result,
+                    $filtername,
+                    STREAM_FILTER_WRITE,
+                    $params
+                );
+            }
+        }
+        
+        $chunkSize = $this->chunkSize[self::DIRECTION_RECEIVE];
+        while ($length > 0) {
+            while ($this->isAvailable()) {
+                $fragment = fread($this->stream, min($length, $chunkSize));
+                if ('' != $fragment) {
+                    $length -= strlen($fragment);
+                    fwrite($result, $fragment);
+                    continue 2;
+                } elseif (!$this->isBlocking && !(false === $fragment)) {
+                    usleep(3000);
+                    continue 2;
+                }
+            }
+
+            foreach ($appliedFilters as $filter) {
+                stream_filter_remove($filter);
+            }
+            rewind($result);
+            throw $this->createException(
+                "Failed while receiving {$what}",
+                5,
+                null,
+                $result
+            );
+        }
+
+        foreach ($appliedFilters as $filter) {
+            stream_filter_remove($filter);
+        }
+        rewind($result);
+        return $result;
+    }
+
+    /**
+     * Checks whether the stream is available for operations.
+     * 
+     * For network streams, this means whether the other end has closed the
+     * connection.
+     * 
+     * @return bool TRUE if the stream is available, FALSE otherwise.
+     */
+    public function isAvailable()
+    {
+        return self::isStream($this->stream) && !feof($this->stream);
+    }
+
+    /**
+     * Checks whether there is data to be read from the wrapped stream.
+     * 
+     * @param int|null $sTimeout  If theere isn't data awaiting currently,
+     *     wait for it this many seconds for data to arrive. If NULL is
+     *     specified, wait indefinetly for that.
+     * @param int      $usTimeout Microseconds to add to the waiting time.
+     * 
+     * @return bool TRUE if there is data to be read, FALSE otherwise.
+     * @SuppressWarnings(PHPMD.ShortVariable)
+     */
+    public function isDataAwaiting($sTimeout = 0, $usTimeout = 0)
+    {
+        if (self::isStream($this->stream)) {
+            if (null === $sTimeout && !$this->isBlocking) {
+                $meta = stream_get_meta_data($this->stream);
+                return !$meta['eof'];
+            }
+
+            $w = $e = null;
+            $r = array($this->stream);
+            return 1 === @/* due to PHP bug #54563 */stream_select(
+                $r,
+                $w,
+                $e,
+                $sTimeout,
+                $usTimeout
+            );
+        }
+        return false;
+    }
+
+    /**
+     * Checks whether the wrapped stream can be written to without a block.
+     * 
+     * @param int|null $sTimeout  If the stream isn't currently accepting data,
+     *     wait for it this many seconds to start accepting data. If NULL is
+     *     specified, wait indefinetly for that.
+     * @param int      $usTimeout Microseconds to add to the waiting time.
+     * 
+     * @return bool TRUE if the wrapped stream would not block on a write, FALSE
+     *     otherwise.
+     * @SuppressWarnings(PHPMD.ShortVariable)
+     */
+    public function isAcceptingData($sTimeout = 0, $usTimeout = 0)
+    {
+        if (self::isStream($this->stream)) {
+            if (!$this->isBlocking) {
+                $meta = stream_get_meta_data($this->stream);
+                return !$meta['eof'];
+            } elseif (feof($this->stream)) {
+                return false;
+            }
+
+            $r = $e = null;
+            $w = array($this->stream);
+            return 1 === @/* due to PHP bug #54563 */stream_select(
+                $r,
+                $w,
+                $e,
+                $sTimeout,
+                $usTimeout
+            );
+        }
+        return false;
+    }
+
+    /**
+     * Closes the opened stream, unless it's a persistent one.
+     */
+    public function __destruct()
+    {
+        if ((!$this->persist) && $this->autoClose) {
+            $this->close();
+        }
+    }
+
+    /**
+     * Closes the opened stream, even if it is a persistent one.
+     * 
+     * @return bool TRUE on success, FALSE on failure.
+     */
+    public function close()
+    {
+        return self::isStream($this->stream) && fclose($this->stream);
+    }
+
+    /**
+     * Creates a new exception.
+     * 
+     * Creates a new exception. Used by the rest of the functions in this class.
+     * Override in derived classes for custom exception handling.
+     * 
+     * @param string                   $message  The exception message.
+     * @param int                      $code     The exception code.
+     * @param E|null                   $previous Previous exception thrown,
+     *     or NULL if there is none.
+     * @param int|string|resource|null $fragment The fragment up until the
+     *     point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     * 
+     * @return StreamException The exception to then be thrown.
+     */
+    protected function createException(
+        $message,
+        $code = 0,
+        E $previous = null,
+        $fragment = null
+    ) {
+        return new StreamException($message, $code, $previous, $fragment);
+    }
+}

PEAR2/Net/Transmitter/StreamException.php

@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * Base for this exception.
+ */
+use RuntimeException;
+
+/**
+ * Used to enable any exception in chaining.
+ */
+use Exception as E;
+
+/**
+ * Exception thrown when something goes wrong with the connection.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class StreamException extends RuntimeException implements Exception
+{
+    /**
+     * @var int|string|resource|null The fragment up until the point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     *     NULL if the failure occured before the operation started.
+     */
+    protected $fragment = null;
+
+    /**
+     * Creates a new stream exception.
+     * 
+     * @param string                   $message  The Exception message to throw.
+     * @param int                      $code     The Exception code.
+     * @param E|null                   $previous Previous exception thrown,
+     *     or NULL if there is none.
+     * @param int|string|resource|null $fragment The fragment up until the
+     *     point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     *     NULL if the failure occured before the operation started.
+     */
+    public function __construct(
+        $message,
+        $code,
+        E $previous = null,
+        $fragment = null
+    ) {
+        parent::__construct($message, $code, $previous);
+        $this->fragment = $fragment;
+    }
+
+    /**
+     * Gets the stream fragment.
+     * 
+     * @return int|string|resource|null The fragment up until the
+     *     point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     *     NULL if the failure occured before the operation started.
+     */
+    public function getFragment()
+    {
+        return $this->fragment;
+    }
+
+    // @codeCoverageIgnoreStart
+    // Unreliable in testing.
+
+    /**
+     * Returns a string representation of the exception.
+     * 
+     * @return string The exception as a string.
+     */
+    public function __toString()
+    {
+        $result = parent::__toString();
+        if (null !== $this->fragment) {
+            $result .= "\nFragment: ";
+            if (is_scalar($this->fragment)) {
+                $result .= (string)$this->fragment;
+            } else {
+                $result .= stream_get_contents($this->fragment);
+            }
+        }
+        return $result;
+    }
+    // @codeCoverageIgnoreEnd
+}

PEAR2/Net/Transmitter/TcpClient.php

@@ -0,0 +1,400 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+/**
+ * Used for managing persistent connections.
+ */
+use PEAR2\Cache\SHM;
+
+/**
+ * Used for matching arbitrary exceptions in
+ * {@link TcpClient::createException()} and releasing locks properly.
+ */
+use Exception as E;
+
+/**
+ * A socket transmitter.
+ * 
+ * This is a convinience wrapper for socket functionality. Used to ensure data
+ * integrity.
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class TcpClient extends NetworkStream
+{
+
+    /**
+     * @var int The error code of the last error on the socket.
+     */
+    protected $errorNo = 0;
+
+    /**
+     * @var string The error message of the last error on the socket.
+     */
+    protected $errorStr = null;
+    
+    /**
+     * @var SHM Persistent connection handler. Remains NULL for non-persistent
+     *     connections. 
+     */
+    protected $shmHandler = null;
+    
+    /**
+     * @var array An array with all connections from this PHP request (as keys)
+     *     and their lock state (as a value). 
+     */
+    protected static $lockState = array();
+    
+    protected static $cryptoScheme = array(
+        parent::CRYPTO_OFF => 'tcp',
+        parent::CRYPTO_SSL2 => 'sslv2',
+        parent::CRYPTO_SSL3 => 'sslv3',
+        parent::CRYPTO_SSL => 'ssl',
+        parent::CRYPTO_TLS => 'tls'
+    );
+    
+    /**
+     * @var string The URI of this connection.
+     */
+    protected $uri;
+
+    /**
+     * Creates a new connection with the specified options.
+     * 
+     * @param string   $host    Hostname (IP or domain) of the server.
+     * @param int      $port    The port on the server.
+     * @param bool     $persist Whether or not the connection should be a
+     *     persistent one.
+     * @param float    $timeout The timeout for the connection.
+     * @param string   $key     A string that uniquely identifies the
+     *     connection.
+     * @param string   $crypto  Encryption setting. Must be one of the
+     *     NetworkStream::CRYPTO_* constants. By default, encryption is
+     *     disabled. If the setting has an associated scheme for it, it will be
+     *     used, and if not, the setting will be adjusted right after the
+     *     connection is estabilished.
+     * @param resource $context A context for the socket.
+     */
+    public function __construct(
+        $host,
+        $port,
+        $persist = false,
+        $timeout = null,
+        $key = '',
+        $crypto = parent::CRYPTO_OFF,
+        $context = null
+    ) {
+        $this->streamType = '_CLIENT';
+
+        if (strpos($host, ':') !== false) {
+            $host = "[{$host}]";
+        }
+        $flags = STREAM_CLIENT_CONNECT;
+        if ($persist) {
+            $flags |= STREAM_CLIENT_PERSISTENT;
+        }
+
+        $timeout
+            = null == $timeout ? ini_get('default_socket_timeout') : $timeout;
+
+        $key = rawurlencode($key);
+
+        if (null === $context) {
+            $context = stream_context_get_default();
+        } elseif ((!is_resource($context))
+            || ('stream-context' !== get_resource_type($context))
+        ) {
+            throw $this->createException('Invalid context supplied.', 6);
+        }
+        $hasCryptoScheme = array_key_exists($crypto, static::$cryptoScheme);
+        $scheme = $hasCryptoScheme ? static::$cryptoScheme[$crypto] : 'tcp';
+        $this->uri = "{$scheme}://{$host}:{$port}/{$key}";
+        set_error_handler(array($this, 'handleError'));
+        try {
+            parent::__construct(
+                stream_socket_client(
+                    $this->uri,
+                    $this->errorNo,
+                    $this->errorStr,
+                    $timeout,
+                    $flags,
+                    $context
+                )
+            );
+            restore_error_handler();
+        } catch (E $e) {
+            restore_error_handler();
+            if (0 === $this->errorNo) {
+                throw $this->createException(
+                    'Failed to initialize socket.',
+                    7,
+                    $e
+                );
+            }
+            throw $this->createException(
+                'Failed to connect with socket.',
+                8,
+                $e
+            );
+        }
+
+        if ($hasCryptoScheme) {
+            $this->crypto = $crypto;
+        } elseif (parent::CRYPTO_OFF !== $crypto) {
+            $this->setCrypto($crypto);
+        }
+        $this->setIsBlocking(parent::CRYPTO_OFF === $crypto);
+
+        if ($persist) {
+            $this->shmHandler = SHM::factory(
+                __CLASS__ . ' ' . $this->uri . ' '
+            );
+            self::$lockState[$this->uri] = self::DIRECTION_NONE;
+        }
+    }
+
+    /**
+     * Creates a new exception.
+     * 
+     * Creates a new exception. Used by the rest of the functions in this class.
+     * 
+     * @param string                   $message  The exception message.
+     * @param int                      $code     The exception code.
+     * @param E|null                   $previous Previous exception thrown,
+     *     or NULL if there is none.
+     * @param int|string|resource|null $fragment The fragment up until the
+     *     point of failure.
+     *     On failure with sending, this is the number of bytes sent
+     *     successfully before the failure.
+     *     On failure when receiving, this is a string/stream holding
+     *     the contents received successfully before the failure.
+     * 
+     * @return SocketException The exception to then be thrown.
+     */
+    protected function createException(
+        $message,
+        $code = 0,
+        E $previous = null,
+        $fragment = null
+    ) {
+        return new SocketException(
+            $message,
+            $code,
+            $previous,
+            $fragment,
+            $this->errorNo,
+            $this->errorStr
+        );
+    }
+    
+    /**
+     * Locks transmission.
+     * 
+     * Locks transmission in one or more directions. Useful when dealing with
+     * persistent connections. Note that every send/receive call implicitly
+     * calls this function and then restores it to the previous state. You only
+     * need to call this function if you need to do an uninterrputed sequence of
+     * such calls.
+     * 
+     * @param int  $direction The direction(s) to have locked. Acceptable values
+     *     are the DIRECTION_* constants. If a lock for a direction can't be
+     *     obtained immediatly, the function will block until one is aquired.
+     *     Note that if you specify {@link DIRECTION_ALL}, the sending lock will
+     *     be obtained before the receiving one, and if obtaining the receiving
+     *     lock afterwards fails, the sending lock will be released too.
+     * @param bool $replace   Whether to replace all locks with the specified
+     *     ones. Setting this to FALSE will make the function only obtain the
+     *     locks which are not already obtained.
+     * 
+     * @return int|false The previous state or FALSE if the connection is not
+     *     persistent or arguments are invalid.
+     */
+    public function lock($direction = self::DIRECTION_ALL, $replace = false)
+    {
+        if ($this->persist && is_int($direction)) {
+            $old = self::$lockState[$this->uri];
+
+            if ($direction & self::DIRECTION_SEND) {
+                if (($old & self::DIRECTION_SEND)
+                    || $this->shmHandler->lock(self::DIRECTION_SEND)
+                ) {
+                    self::$lockState[$this->uri] |= self::DIRECTION_SEND;
+                } else {
+                    throw new LockException('Unable to obtain sending lock.');
+                }
+            } elseif ($replace) {
+                if (!($old & self::DIRECTION_SEND)
+                    || $this->shmHandler->unlock(self::DIRECTION_SEND)
+                ) {
+                    self::$lockState[$this->uri] &= ~self::DIRECTION_SEND;
+                } else {
+                    throw new LockException('Unable to release sending lock.');
+                }
+            }
+            
+            try {
+                if ($direction & self::DIRECTION_RECEIVE) {
+                    if (($old & self::DIRECTION_RECEIVE)
+                        || $this->shmHandler->lock(self::DIRECTION_RECEIVE)
+                    ) {
+                        self::$lockState[$this->uri] |= self::DIRECTION_RECEIVE;
+                    } else {
+                        throw new LockException(
+                            'Unable to obtain receiving lock.'
+                        );
+                    }
+                } elseif ($replace) {
+                    if (!($old & self::DIRECTION_RECEIVE)
+                        || $this->shmHandler->unlock(self::DIRECTION_RECEIVE)
+                    ) {
+                        self::$lockState[$this->uri]
+                            &= ~self::DIRECTION_RECEIVE;
+                    } else {
+                        throw new LockException(
+                            'Unable to release receiving lock.'
+                        );
+                    }
+                }
+            } catch (LockException $e) {
+                if ($direction & self::DIRECTION_SEND
+                    && !($old & self::DIRECTION_SEND)
+                ) {
+                    $this->shmHandler->unlock(self::DIRECTION_SEND);
+                }
+                throw $e;
+            }
+            return $old;
+        }
+        return false;
+    }
+    
+
+    /**
+     * Sends a string or stream to the server.
+     * 
+     * Sends a string or stream to the server. If a seekable stream is
+     * provided, it will be seeked back to the same position it was passed as,
+     * regardless of the $offset parameter.
+     * 
+     * @param string|resource $contents The string or stream to send.
+     * @param int             $offset   The offset from which to start sending.
+     *     If a stream is provided, and this is set to NULL, sending will start
+     *     from the current stream position.
+     * @param int             $length   The maximum length to send. If omitted,
+     *     the string/stream will be sent to its end.
+     * 
+     * @return int The number of bytes sent.
+     */
+    public function send($contents, $offset = null, $length = null)
+    {
+        if (false === ($previousState = $this->lock(self::DIRECTION_SEND))
+            && $this->persist
+        ) {
+            throw $this->createException(
+                'Unable to obtain sending lock',
+                10
+            );
+        }
+        try {
+            $result = parent::send($contents, $offset, $length);
+        } catch (E $e) {
+            $this->lock($previousState, true);
+            throw $e;
+        }
+        $this->lock($previousState, true);
+        return $result;
+    }
+
+    /**
+     * Receives data from the server.
+     * 
+     * Receives data from the server as a string.
+     * 
+     * @param int    $length The number of bytes to receive.
+     * @param string $what   Descriptive string about what is being received
+     *     (used in exception messages).
+     * 
+     * @return string The received content.
+     */
+    public function receive($length, $what = 'data')
+    {
+        if (false === ($previousState = $this->lock(self::DIRECTION_RECEIVE))
+            && $this->persist
+        ) {
+            throw $this->createException(
+                'Unable to obtain receiving lock',
+                9
+            );
+        }
+        try {
+            $result = parent::receive($length, $what);
+        } catch (E $e) {
+            $this->lock($previousState, true);
+            throw $e;
+        }
+        $this->lock($previousState, true);
+        return $result;
+    }
+
+    /**
+     * Receives data from the server.
+     * 
+     * Receives data from the server as a stream.
+     * 
+     * @param int              $length  The number of bytes to receive.
+     * @param FilterCollection $filters A collection of filters to apply to the
+     *     stream while receiving. Note that the filters will not be present on
+     *     the stream after receiving is done.
+     * @param string           $what    Descriptive string about what is being
+     *     received (used in exception messages).
+     * 
+     * @return resource The received content.
+     */
+    public function receiveStream(
+        $length,
+        FilterCollection $filters = null,
+        $what = 'stream data'
+    ) {
+        if (false === ($previousState = $this->lock(self::DIRECTION_RECEIVE))
+            && $this->persist
+        ) {
+            throw $this->createException(
+                'Unable to obtain receiving lock',
+                9
+            );
+        }
+        try {
+            $result = parent::receiveStream($length, $filters, $what);
+        } catch (E $e) {
+            $this->lock($previousState, true);
+            throw $e;
+        }
+        $this->lock($previousState, true);
+        return $result;
+    }
+}

PEAR2/Net/Transmitter/TcpServerConnection.php

@@ -0,0 +1,147 @@
+<?php
+
+/**
+ * Wrapper for network stream functionality.
+ * 
+ * PHP has built in support for various types of network streams, such as HTTP and TCP sockets. One problem that arises with them is the fact that a single fread/fwrite call might not read/write all the data you intended, regardless of whether you're in blocking mode or not. While the PHP manual offers a workaround in the form of a loop with a few variables, using it every single time you want to read/write can be tedious.
+
+This package abstracts this away, so that when you want to get exactly N amount of bytes, you can be sure the upper levels of your app will be dealing with N bytes. Oh, and the functionality is nicely wrapped in an object (but that's just the icing on the cake).
+ * 
+ * PHP version 5
+ * 
+ * @category  Net
+ * @package   PEAR2_Net_Transmitter
+ * @author    Vasil Rangelov <boen.robot@gmail.com>
+ * @copyright 2011 Vasil Rangelov
+ * @license   http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version   1.0.0a5
+ * @link      http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+/**
+ * The namespace declaration.
+ */
+namespace PEAR2\Net\Transmitter;
+
+use Exception as E;
+
+/**
+ * A transmitter for connections to a socket server.
+ * 
+ * This is a convinience wrapper for functionality of socket server connections.
+ * Used to ensure data integrity. Server handling is not part of the class in
+ * order to allow its usage as part of various server implementations (e.g. fork
+ * and/or sequential).
+ * 
+ * @category Net
+ * @package  PEAR2_Net_Transmitter
+ * @author   Vasil Rangelov <boen.robot@gmail.com>
+ * @license  http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @link     http://pear2.php.net/PEAR2_Net_Transmitter
+ */
+class TcpServerConnection extends NetworkStream
+{
+
+    /**
+     * @var string The IP address of the connected client.
+     */
+    protected $peerIP;
+
+    /**
+     * @var int The port of the connected client.
+     */
+    protected $peerPort;
+
+    /**
+     * Creates a new connection with the specified options.
+     * 
+     * @param resource $server  A socket server, created with
+     * {@link stream_socket_server()}.
+     * @param float    $timeout The timeout for the connection.
+     */
+    public function __construct($server, $timeout = null)
+    {
+        $this->streamType = '_SERVER';
+
+        if (!self::isStream($server)) {
+            throw $this->createException('Invalid server supplied.', 9);
+        }
+        $timeout
+            = null == $timeout ? ini_get('default_socket_timeout') : $timeout;
+
+        set_error_handler(array($this, 'handleError'));
+        try {
+            parent::__construct(
+                stream_socket_accept($server, $timeout, $peername)
+            );
+            restore_error_handler();
+            $portString = strrchr($peername, ':');
+            $this->peerPort = (int) substr($portString, 1);
+            $ipString = substr(
+                $peername,
+                0,
+                strlen($peername) - strlen($portString)
+            );
+            if (strpos($ipString, '[') === 0
+                && strpos(strrev($ipString), ']') === 0
+            ) {
+                $ipString = substr($ipString, 1, strlen($ipString) - 2);
+            }
+            $this->peerIP = $ipString;
+        } catch (E $e) {
+            restore_error_handler();
+            throw $this->createException(
+                'Failed to initialize connection.',
+                10,
+                $e
+            );
+        }
+    }
+    
+    /**
+     * Gets the IP address of the connected client.
+     * 
+     * @return string The IP address of the connected client.
+     */
+    public function getPeerIP()
+    {
+        return $this->peerIP;
+    }
+    
+    /**
+     * Gets the port of the connected client.
+     * 
+     * @return int The port of the connected client.
+     */
+    public function getPeerPort()
+    {
+        return $this->peerPort;
+    }
+
+    /**
+     * Creates a new exception.
+     * 
+     * Creates a new exception. Used by the rest of the functions in this class.
+     * 
+     * @param string      $message  The exception message.
+     * @param int         $code     The exception code.
+     * @param E|null      $previous Previous exception thrown, or NULL if there
+     *     is none.
+     * @param string|null $fragment The fragment up until the point of failure.
+     *     NULL if the failure occured before the operation started.
+     * 
+     * @return SocketException The exception to then be thrown.
+     */
+    protected function createException(
+        $message,
+        $code = 0,
+        E $previous = null,
+        $fragment = null
+    ) {
+        return new SocketException(
+            $message,
+            $code,
+            $previous,
+            $fragment
+        );
+    }
+}

ajax_add_profile.php

@@ -0,0 +1,55 @@
+<?php
+header('Content-Type: application/json');
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+if ( !isset($_SESSION) ) session_start();
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+
+$profile_name=strtolower($_GET['profile_name']);
+$session_timeout=$_GET['session_timeout'];
+$shared_users=$_GET['shared_users'];
+$mac_cookie_timeout=$_GET['mac_cookie_timeout'];
+$keepalive_timeout=$_GET['keepalive_timeout'];
+$rx_rate_limit=$_GET['rx_rate_limit'];
+$tx_rate_limit=$_GET['tx_rate_limit'];
+
+$rate_limit = $rx_rate_limit.'/'.$tx_rate_limit;
+if (empty($session_timeout)) $session_timeout = '3d 00:00:00';
+if (empty($mac_cookie_timeout)) $mac_cookie_timeout = '3d 00:00:00';
+if (empty($keepalive_timeout)) $keepalive_timeout = '00:02:00';
+
+if ($_SESSION['user_level'] == 1) {
+	
+	if (!empty($profile_name)) {
+		
+			$util->setMenu('/ip hotspot user profile');
+			if(strtolower($session_timeout) == 'none') $session_timeout = '00:00:00';
+			$util->add(
+				array(
+					'name' => "$profile_name",
+					'rate-limit' => "$rate_limit",
+					'session-timeout' => "$session_timeout",
+					'shared-users' => "$shared_users",
+					'mac-cookie-timeout' => "$mac_cookie_timeout",
+					'keepalive-timeout' => "$keepalive_timeout"
+				)
+			);
+			/*
+			if(strtolower($session_timeout) == 'none') {
+				$id = $client->sendSync(new Request('/ip/hotspot/user/profile/print .proplist=.id', null, Query::where('name', $profile_name)))->getArgument('.id');
+				$util->setMenu('/ip hotspot user profile');
+				$util->unsetValue($id, 'session-timeout');
+			} */
+			echo 2; //Success
+		}
+	else
+		{
+		echo 1; //Profile name/Session Timeout Empty
+	}
+}
+else
+	{
+		echo 0; //Not Authorised
+}
+?>

ajax_add_sysuser.php

@@ -0,0 +1,34 @@
+<?php 
+if ( !isset($_SESSION) ) session_start();
+if (($_SESSION['user_level'] == 1) and (!empty($_GET['username']))) { 
+	include('dbconfig.php');
+	$password='password';
+	$password=sha1($password);
+	$username=strtolower($_GET['username']);
+	$firstname=$_GET['firstname'];
+	$lastname=$_GET['lastname'];
+	$user_level=$_GET['user_level'];
+	$status=$_GET['status'];
+	
+	
+	$stmt = $DB_con->prepare("SELECT * FROM hotspot_users WHERE username =:username");
+	$stmt->execute(array(':username' => $username));
+	$count = $stmt->rowCount();
+	
+	if ($count != 0) {
+		echo 1;
+	}
+ else
+	{
+		$stmt = $DB_con->prepare("insert into hotspot_users (username, password, firstname, lastname, date_added, user_level, status)
+			values(:username, :password, :firstname, :lastname, CURDATE(), :user_level, :status)");
+		$stmt->execute(array(':username' => $username, ':password' => $password, ':firstname' => $firstname,
+			':lastname' => $lastname, ':user_level' => $user_level, ':status' => $status));
+		echo 2;
+	}
+}
+else {
+	echo 0;
+}	
+// End Adding a new System User Details, Returned from modal_add_user.php
+?>

ajax_adduser.php

@@ -0,0 +1,116 @@
+<?php
+require_once 'settings.php';
+
+if (isset($_GET['name'])) $username = $_GET['name'];
+if (isset($_GET['psd'])) $password = $_GET['psd'];
+if (isset($_GET['limit_uptime'])) $limit_uptime = $_GET['limit_uptime'];
+if (isset($_GET['limit_bytes'])) $limit_bytes = $_GET['limit_bytes'];
+if (isset($_GET['profile'])) $profile = $_GET['profile'];
+if ( !isset($_SESSION) ) session_start();
+
+$util->setMenu('/ip hotspot user');
+$iv = count($util);
+
+if ((!empty($username)) and (!empty($password)) and (!empty($profile))) {
+	if (intval($limit_bytes) != 0) {
+		$limit_bytes_total = (intval($limit_bytes) * 1024 * 1024 * 1024 );
+		$util->add(
+			array(
+				'name' => "$username",
+				'password' => "$password",
+				'limit-uptime' => "$limit_uptime",
+				'limit-bytes-total' => "$limit_bytes_total",
+				'profile' => "$profile"
+			)
+		);
+	}
+	else
+		{
+			$util->add(
+			array(
+				'name' => "$username",
+				'password' => "$password",
+				'limit-uptime' => "$limit_uptime",
+				'profile' => "$profile"
+			)
+		);
+		$limit_bytes = 0; // For Adding it to Local database
+	}		
+
+	if ($iv != count($util)) {
+		include('dbconfig.php');
+		$stmt = $DB_con->prepare("SELECT booking_id from hotspot_vouchers ORDER BY booking_id DESC LIMIT 1");
+		$stmt->execute(array());
+		$row = $stmt->fetch(PDO::FETCH_ASSOC);
+		$booking_id = $row['booking_id'];
+		$booking_id++;
+		$uid = $booking_id.'-1-'.date('dmY');
+		//$creator = $_SESSION['username'].'['.$_SESSION['id'].']';
+		$stmt = $DB_con->prepare("UPDATE hotspot_vouchers set status=:status WHERE 1");
+		$stmt->execute(array(':status' => 'Over'));
+			$stmt = $DB_con->prepare("insert into hotspot_vouchers (created_on, created_by, creator, user_name, password, printed_times,
+			printed_last, status, group_of, booking_id, limit_uptime, limit_bytes, profile, uid)
+			values(NOW(), :created_by, :creator, :user_name, :password, :printed_times, :printed_last, :status, :group_of, 
+			:booking_id, :limit_uptime, :limit_bytes, :profile, :uid)");
+		$stmt->execute(array(':created_by' => $_SESSION['username'], ':creator' => $_SESSION['id'], ':user_name' => $username, ':password' => $password,
+			':printed_times' => 0, ':printed_last' => '', ':status' => 'Active', ':group_of' => 1,
+			':booking_id' => $booking_id, ':limit_uptime' => $limit_uptime, ':limit_bytes' => $limit_bytes,
+			':profile' => $profile, ':uid' => $uid));	
+			
+		// here starts Echo String
+		$echo_text ='			
+			<div class="container">
+				<div class="row" style="padding-top:20px;">	
+					<div class="col-sm-12 col-md-12">
+						<div class="panel panel-primary">
+							<div class="panel-heading"><h3 class="text-center">Hotspot User Voucher</h3></div>
+							<div class="panel-body">
+								<form id="userForm" class="form-horizontal" method="GET" action="" enctype="multipart/form-data">
+									<div class="col-sm-12 col-md-12">
+										<table cellpadding="0" cellspacing="0" border="0" class="table table-bordered" id="example">
+											<thead>
+												<tr>
+													<th width="10%"></th>
+													<th colspan="2">Username</th>                                 
+													<th colspan="2">Password</th>
+												</tr>
+											</thead>
+											<tbody>';
+											$echo_text .= '<tr>
+													<td width="10%" style="margin:0px; border: 0px; padding: 2px;"><img src="images/logo.png" width="250" height="50"></td>
+													<td colspan="2"><input type="text" name="username" class="form-control" value="Username : '.$username.'" placeholder="User Name" readonly></td>
+													<td colspan="2"><input type="text" name="password" class="form-control" value="Password : '.$password.'" placeholder="Password"  readonly></td>
+												</tr>
+												<tr>';
+												if (intval($limit_bytes) != 0) {
+													$echo_text .= '<td colspan="5">Validity : '.$limit_uptime.'ays; Counts from First login;  Data usage Maximum : '.$limit_bytes_total.' Bytes; Bandwidth : '.$profile.'; HAPPY BROWSING...</td>';
+													}
+												else
+													{
+													$echo_text .= '<td colspan="5">Validity : '.$limit_uptime.'ays; Counts from First login; Bandwidth/Profile : '.$profile.'; HAPPY BROWSING...</td>';
+													}
+												$echo_text .= '
+												</tr>
+											</tbody>
+										</table>
+									</div>
+								</form>
+							</div>
+						</div>
+					</div>
+					<div class="col-sm-3 col-sm-offset-5">
+						<button onclick="window.print();" class="btn btn-primary" ><i class="icon-save icon-large"></i></a>&nbsp;PRINT</button>&nbsp;&nbsp;
+						<button onclick="document.getElementById("single").style.display="none !important;" type="reset" class="btn btn-danger"><i class="icon-save icon-large"></i></a>&nbsp;Reset</button>&nbsp;&nbsp;
+						<button data-dismiss="modal" class="btn btn-info" ><i class="icon-save icon-large"></i></a>&nbsp;BACK</button>&nbsp;&nbsp;
+					</div>
+				</div>
+			</div>';
+				echo $echo_text;
+		}
+	else
+		{
+		echo '<script>cmodalOkCancel("ERROR/DUPLICATE", " Username '.$username.' is not added, Found as Duplicate. Try some other name", "error");</script>';
+	}	
+}
+//End Adding a Guest User
+?>

ajax_addusers.php

@@ -0,0 +1,90 @@
+<?php  error_reporting(E_ALL);
+ini_set('display_errors', 1);
+require_once 'settings.php';
+
+if (isset($_GET['no_of_users'])) $no_of_users = $_GET['no_of_users'];
+if (isset($_GET['pass_length'])) $passLength = $_GET['pass_length'];
+if (isset($_GET['user_prefix'])) $user_prefix = $_GET['user_prefix'];
+if (isset($_GET['limit_uptime'])) $limit_uptime = $_GET['limit_uptime'];
+if (isset($_GET['limit_bytes'])) $limit_bytes = $_GET['limit_bytes'];
+if (isset($_GET['profile'])) $profile = $_GET['profile'];
+if (isset($_GET['same_pass'])) $same_pass = $_GET['same_pass'];
+
+if ( !isset($_SESSION) ) session_start();
+
+if($_SESSION['user_level'] >= 1 and $_SESSION['user_level'] <= 3) {
+	include('dbconfig.php');
+	$stmt = $DB_con->prepare("SELECT booking_id from hotspot_vouchers ORDER BY booking_id DESC LIMIT 1");
+	$stmt->execute(array());
+	$row = $stmt->fetch(PDO::FETCH_ASSOC);
+	$booking_id = $row['booking_id'];
+	$booking_id++;
+	
+	$stmt = $DB_con->prepare("UPDATE hotspot_vouchers set status=:status WHERE 1");
+	$stmt->execute(array(':status' => 'Over'));
+
+	$stmt = $DB_con->prepare("insert into hotspot_vouchers (created_on, created_by, creator, user_name, password, printed_times,
+		printed_last, status, group_of, booking_id, limit_uptime, limit_bytes, profile, uid)
+		values(NOW(), :created_by, :creator,  :user_name, :password, :printed_times, :printed_last, :status, :group_of, 
+		:booking_id, :limit_uptime, :limit_bytes, :profile, :uid)");
+		
+	$k = 1;
+	for($i=0; $i < $no_of_users; $i++){
+		$passAlphabet = 'abcdefghikmnpqrstuvxyz23456789';
+		$passAlphabetLimit = strlen($passAlphabet)-1;
+		$pass = '';
+		$uid = '';
+		for ($j = 0; $j < $passLength; ++$j) {
+			$pass .= $passAlphabet[mt_rand(0, $passAlphabetLimit)];
+		}
+		for ($j = 0; $j < $passLength; ++$j) {
+			$uid .= $passAlphabet[mt_rand(0, $passAlphabetLimit)];
+		}
+		$user_name = $user_prefix.$uid;
+		if ($same_pass == 2) {	$pass_word = $pass; } else { $pass_word = $user_name; }
+		$util->setMenu('/ip hotspot user');
+		$iv = count($util);
+		
+
+		if (intval($limit_bytes) != 0) {
+			$limit_bytes_total = (intval($limit_bytes) * 1024 * 1024 * 1024 );
+			$util->add(
+				array(
+					'name' => "$user_name",
+					'password' => "$pass_word",
+					'limit-uptime' => "$limit_uptime",
+					'limit-bytes-total' => "$limit_bytes_total",
+					'profile' => "$profile"
+				)
+			);
+		}
+		else
+			{
+			$util->add(
+				array(
+					'name' => "$user_name",
+					'password' => "$pass_word",
+					'limit-uptime' => "$limit_uptime",
+					'profile' => "$profile"
+				)
+			);
+			$limit_bytes = 0; // For Adding it to Local database
+		}	
+
+		if ($iv != count($util)) {
+			$uid = $booking_id.'-'.$k.'-'.$no_of_users.date('dmY');
+			//$creator = $_SESSION['username'].'['.$_SESSION['id'].']';
+			$stmt->execute(array(':created_by' => $_SESSION['username'], ':creator' => $_SESSION['id'], ':user_name' => $user_name, ':password' => $pass_word,
+				':printed_times' => 0, ':printed_last' => '', ':status' => 'Active', ':group_of' => $no_of_users,
+				':booking_id' => $booking_id, ':limit_uptime' => $limit_uptime, ':limit_bytes' => $limit_bytes,
+				':profile' => $profile, ':uid' => $uid));			
+			$k++;	
+		} 	
+	}
+	echo $k - 1; //Successful
+}
+else
+	{
+	echo 0; // Not an Authorised User
+}
+?>

ajax_change_syspass.php

@@ -0,0 +1,16 @@
+<?php 
+if ( !isset($_SESSION) ) session_start();
+include('dbconfig.php');
+
+$np = $_GET['np'];
+If ($_SESSION['user_level'] <= 3) {
+	$np = sha1($np);
+	$stmt = $DB_con->prepare("update hotspot_users set password = :np where user_id = :session_id");
+	$stmt->execute(array(':np' => $np, ':session_id' => $_SESSION['id']));
+	echo 1;
+	}
+else
+	{
+		echo 0;
+}
+?>

ajax_del_profile.php

@@ -0,0 +1,40 @@
+<?php
+header('Content-Type: application/json');
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+if ( !isset($_SESSION) ) session_start();
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+
+$profile_name=strtolower($_GET['profile_name']);
+
+if ($_SESSION['user_level'] == 1) {
+	
+	if (!empty($profile_name)) {
+		
+		$printRequest = new RouterOS\Request('/ip hotspot user profile print');
+		$printRequest->setArgument('.proplist', '.id,name');
+		$printRequest->setQuery(RouterOS\Query::where('name', $profile_name)); 
+
+		$idList = '';
+		foreach ($client->sendSync($printRequest)->getAllOfType(RouterOS\Response::TYPE_DATA) as $item) {
+			$idList .= ',' . $item->getProperty('.id');
+		}
+		$idList = substr($idList, 1);
+		//$idList now contains a comma separated list of all IDs.
+
+		$removeRequest = new RouterOS\Request('/ip hotspot user profile remove');
+		$removeRequest->setArgument('numbers', $idList);
+		$client->sendSync($removeRequest); 
+		echo 2; //Success
+		}
+	else
+		{
+		echo 1; //Profile name Empty
+	}
+}
+else
+	{
+		echo 0; //Not Authorised
+}
+?>

ajax_del_sysuser.php

@@ -0,0 +1,16 @@
+<?php 
+if ( !isset($_SESSION) ) session_start();
+if (($_SESSION['user_level'] == 1) and (!empty($_GET['user_id']))) { 
+	include('dbconfig.php');
+	$id=$_GET['user_id'];
+	$myself = $_SESSION['id'];
+	$stmt = $DB_con->prepare("delete from hotspot_users where user_id=:id and user_id != :myself");
+	$stmt->execute(array(':id' => $id, ':myself' => $myself));
+	echo 1;
+	}
+else
+	{
+		echo 0;
+	}
+// End Adding a new System User Details, Returned from modal_add_user.php
+?>

ajax_edit_profile.php

@@ -0,0 +1,65 @@
+<?php
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+//$client = new RouterOS\Client("$host", "$user", "$pass");
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+
+if ( !isset($_SESSION) ) session_start();
+
+$profile_name=strtolower($_GET['profile_name']);
+$rx_rate_limit=$_GET['rx_rate_limit'];
+$tx_rate_limit=$_GET['tx_rate_limit'];
+$session_timeout=$_GET['session_timeout'];
+$shared_users=$_GET['shared_users'];
+$mac_cookie_timeout=$_GET['mac_cookie_timeout'];
+$keepalive_timeout=$_GET['keepalive_timeout'];
+if (empty($rx_rate_limit))  $rx_rate_limit = "256k";
+if (empty($tx_rate_limit))  $tx_rate_limit = "128k";
+$rate_limit = $rx_rate_limit.'/'.$tx_rate_limit;
+if (empty($session_timeout))  $session_timeout = "1d 00:00:00";
+if (empty($shared_users))  $shared_users = 1;
+if (empty($mac_cookie_timeout))  $mac_cookie_timeout = "1d 00:00:00";
+if (empty($keepalive_timeout))  $keepalive_timeout = "00:02:00";
+if ($_SESSION['user_level'] == 1) {
+	
+	if (!empty($profile_name)) {
+		
+		$printRequest = new RouterOS\Request('/ip/hotspot/user/profile/print');
+		$printRequest->setArgument('.proplist', '.id');
+		$printRequest->setQuery(RouterOS\Query::where('name', $profile_name));
+		$id = $client->sendSync($printRequest)->getProperty('.id');
+
+		$setRequest = new RouterOS\Request('/ip/hotspot/user/profile/set');
+		$setRequest->setArgument('numbers', $id);
+		$setRequest->setArgument('rate-limit', $rate_limit);
+		if(strtolower($session_timeout) != 'none') { 
+			$setRequest->setArgument('session-timeout', $session_timeout);
+		}
+		else
+			{
+			$setRequest->setArgument('session-timeout', '00:00:00');
+		}
+		$setRequest->setArgument('shared-users', $shared_users);
+		$setRequest->setArgument('mac-cookie-timeout', $mac_cookie_timeout);
+		$setRequest->setArgument('keepalive-timeout', $keepalive_timeout);
+
+		$client->sendSync($setRequest);
+		/*
+		if(strtolower($session_timeout) == 'none') {
+			$id = $client->sendSync(new Request('/ip/hotspot/user/profile/print .proplist=.id', null, Query::where('name', $profile_name)))->getArgument('.id');
+			$util->setMenu('/ip hotspot user profile');
+			$util->unsetValue($id, 'session-timeout');
+		} */
+		echo 2; //Success
+	}
+	else
+		{
+		echo 1; //Profile name Improper
+	}
+}
+else
+	{
+		echo 0; //Not Authorised
+}
+?>

ajax_edit_sysuser.php

@@ -0,0 +1,35 @@
+<?php 
+if ( !isset($_SESSION) ) session_start();
+
+if (($_SESSION['user_level'] == 1) and (!empty($_GET['user_id']))) { 
+	include('dbconfig.php');
+
+	$user_id=$_GET['user_id'];
+	$username=strtolower($_GET['username']);
+	$stmt = $DB_con->prepare("SELECT * FROM hotspot_users WHERE username = :username AND user_id != :user_id");
+	$stmt->execute(array(':username' => $username, ':user_id' => $user_id));
+	$count = $stmt->rowCount();
+
+	if ($count != 0) {
+		echo 1;
+		}
+	else
+		{
+		$firstname=$_GET['firstname'];
+		$lastname=$_GET['lastname'];
+		$user_level=$_GET['user_level'];
+		$status=$_GET['status'];
+
+		$stmt = $DB_con->prepare("update hotspot_users set username=:username, firstname = :firstname , lastname = :lastname,
+			user_level = :user_level, status = :status where user_id= :user_id");
+		$stmt->execute(array(':username' => $username, ':firstname' => $firstname, ':lastname' => $lastname,
+			':user_level' => $user_level, ':user_id' => $user_id, ':status' => $status));
+		echo 2;
+	}
+}
+else
+	{
+	echo 0;
+}	
+// End Adding a new System User Details, Returned from modal_add_user.php
+?>

ajax_expired.php

@@ -0,0 +1,31 @@
+<?php
+//Start Removing All Validity Expired Guest User Accounts
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+if ( !isset($_SESSION) ) session_start();
+if ($_SESSION['user_level'] <= 3) {	
+	
+	$printRequest = new RouterOS\Request('/ip hotspot user print');
+	$printRequest->setArgument('.proplist', '.id,limit-uptime,uptime,name');
+	//$printRequest->setQuery(RouterOS\Query::where('name', 'admin', RouterOS\Query::OP_EQ) ->not()); 
+	$printRequest->setQuery(RouterOS\Query::where('.id', '*0', RouterOS\Query::OP_EQ) ->not()); 
+
+	$idList = '';
+	foreach ($client->sendSync($printRequest)->getAllOfType(RouterOS\Response::TYPE_DATA) as $item) {
+		if (!empty($item->getProperty('limit-uptime'))) {
+			if (!($item->getProperty('uptime') < $item->getProperty('limit-uptime'))) {
+				$idList .= ',' . $item->getProperty('.id');
+			}
+		}	
+	}
+	$idList = substr($idList, 1);
+	//$idList now contains a comma separated list of all IDs.
+
+	$removeRequest = new RouterOS\Request('/ip hotspot user remove');
+	$removeRequest->setArgument('numbers', $idList);
+	$client->sendSync($removeRequest); 
+}
+//End Removing All Validity Expired Guest User Accounts
+?>

ajax_get_profiles.php

@@ -0,0 +1,35 @@
+<?php
+header('Content-Type: application/json');
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+if ( !isset($_SESSION) ) session_start();
+if ($_SESSION['user_level'] == 1) {
+	$util->setMenu('/ip hotspot user profile print');
+	$profile_name=$_GET['profile_name'];
+	
+	$printRequest = new RouterOS\Request('/ip hotspot user profile print');
+	$printRequest->setArgument('.proplist', '.id,name,address-pool,rate-limit,session-timeout,shared-users,mac-cookie-timeout,keepalive-timeout');
+	$printRequest->setQuery(RouterOS\Query::where('name', $profile_name)); 
+
+	foreach ($client->sendSync($printRequest)->getAllOfType(RouterOS\Response::TYPE_DATA) as $item) {
+
+	$tname =  $item->getProperty("name");
+	$taddress_pool =  $item->getProperty("address-pool");
+	$tshared_users =  $item->getProperty("shared-users");
+	$trate_limit =  $item->getProperty("rate-limit");
+	$tsession_timeout =  $item->getProperty("session-timeout");
+	$tshared_users =  $item->getProperty("shared-users");
+	$tmac_cookie_timeout =  $item->getProperty("mac-cookie-timeout");
+	$tkeepalive_timeout =  $item->getProperty("keepalive-timeout");
+
+	$arr = array('name' => $tname, 'address_pool' => $taddress_pool, 'rate_limit' => $trate_limit, 'session_timeout' => $tsession_timeout,
+		'shared_users' => $tshared_users, 'mac_cookie_timeout' => $tmac_cookie_timeout,
+		'keepalive_timeout' => $tkeepalive_timeout );
+
+	echo json_encode($arr); 
+	}
+}	
+?>

ajax_get_sysuser.php

@@ -0,0 +1,15 @@
+<?php
+header('Content-Type: application/json');
+if ( !isset($_SESSION) ) session_start();
+if (($_SESSION['user_level'] == 1) and (!empty($_GET['user_id']))) { 
+	include('dbconfig.php');
+	$user_id=$_GET['user_id'];
+	
+	$stmt = $DB_con->prepare("SELECT * FROM hotspot_users WHERE user_id =:user_id");
+	$stmt->execute(array(':user_id' => $user_id));
+
+	$row=$stmt->fetch(PDO::FETCH_ASSOC);
+	echo json_encode($row);
+}
+// End Getting Sysuser details
+?>

ajax_rem_selected.php

@@ -0,0 +1,38 @@
+<?php
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+if ( !isset($_SESSION) ) session_start();
+$i = 0;
+
+if ($_SESSION['user_level'] <= 3) {	
+
+	$guest_list=$_GET['removal_list'];
+	if (count($guest_list) != 0) {
+		$printRequest = new RouterOS\Request('/ip/hotspot/user/print');
+		$printRequest->setArgument('.proplist', '.id,name');
+		$removeRequest = new RouterOS\Request('/ip/hotspot/user/remove');
+		foreach ($guest_list as $guest) {
+			$i++;
+			//$printRequest->setArgument('.proplist', '.id,name');
+			$printRequest->setQuery(RouterOS\Query::where('name', $guest));
+			$id = $client->sendSync($printRequest)->getProperty('.id');
+
+			//$removeRequest = new RouterOS\Request('/ip/hotspot/user/remove');
+			$removeRequest->setArgument('numbers', $id);
+			$client->sendSync($removeRequest);
+		}
+		echo $i;
+	}
+	else
+	{
+		echo -1;
+	}
+}	
+else
+	{
+	echo 0; 
+}
+//$id = $client->sendSync(new Request('/ip/hotspot/user/profile/print .proplist=.id', null, Query::where('name', $profile_name)))->getArgument('.id');
+?>

ajax_rem_user.php

@@ -0,0 +1,18 @@
+<?php
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+if ( !isset($_SESSION) ) session_start();
+
+$guest_name=trim($_GET['username']);
+
+$printRequest = new RouterOS\Request('/ip/hotspot/user/print');
+$printRequest->setArgument('.proplist', '.id,name');
+$printRequest->setQuery(RouterOS\Query::where('name', $guest_name));
+$id = $client->sendSync($printRequest)->getProperty('.id');
+
+$removeRequest = new RouterOS\Request('/ip/hotspot/user/remove');
+$removeRequest->setArgument('numbers', $id);
+$client->sendSync($removeRequest);
+?>

ajax_reset_pass.php

@@ -0,0 +1,26 @@
+<?php 
+if ( !isset($_SESSION) ) session_start();
+if ($_SESSION['user_level'] == 1) { 
+	include('dbconfig.php');
+	$user_id= $_GET['user_id'];
+	$password='password';
+	$password=sha1($password);
+	$stmt = $DB_con->prepare("SELECT * FROM hotspot_users WHERE user_id = :user_id");
+	$stmt->execute(array(':user_id' => $user_id));
+	$count = $stmt->rowCount();
+	if ($count == 0){
+		echo 1;
+		}
+	else
+		{
+		$stmt = $DB_con->prepare("update hotspot_users set password=:password where user_id= :user_id");
+		$stmt->execute(array(':password' => $password, ':user_id' => $user_id));
+		echo 2;
+	}	
+}
+else
+	{
+	echo 0;
+}
+//End Resetting a System User Password, called from modal_reset_psd.php Modal
+?>

ajax_uninitiated.php

@@ -0,0 +1,28 @@
+<?php
+//Start Removing All Un-initiated Guest User Accounts
+use PEAR2\Net\RouterOS;
+require_once 'PEAR2/Autoload.php';
+require_once 'config.php';
+$util = new RouterOS\Util($client = new RouterOS\Client("$host", "$user", "$pass"));
+if ( !isset($_SESSION) ) session_start();
+if ($_SESSION['user_level'] <= 2) {
+	$printRequest = new RouterOS\Request('/ip hotspot user print');
+	$printRequest->setArgument('.proplist', '.id,limit-uptime,uptime,name');
+	//$printRequest->setQuery(RouterOS\Query::where('name', 'default-trial', RouterOS\Query::OP_EQ) ->not()); 
+	$printRequest->setQuery(RouterOS\Query::where('.id', '*0', RouterOS\Query::OP_EQ) ->not()); 
+
+	$idList = '';
+	foreach ($client->sendSync($printRequest)->getAllOfType(RouterOS\Response::TYPE_DATA) as $item) {
+		if ($item->getProperty('uptime') == 0) {
+			$idList .= ',' . $item->getProperty('.id');
+		}
+	}
+	$idList = substr($idList, 1);
+	//$idList now contains a comma separated list of all IDs.
+
+	$removeRequest = new RouterOS\Request('/ip hotspot user remove');
+	$removeRequest->setArgument('numbers', $idList);
+	$client->sendSync($removeRequest); 
+}
+//End Removing All Un-initiated Guest User Accounts
+?>

backup.php

@@ -0,0 +1,66 @@
+<?php include('session.php'); ?>
+<?php header( 'Content-Type: text/plain' ); ?>
+<?php include('header.php'); ?>
+<?php include('navbar.php'); ?>
+<?php
+$progress_val = 100; ?>
+<div class="progress">
+  <div class="progress-bar progress-bar-striped active" role="progressbar"
+  aria-valuenow="<?php echo $progress_val; ?>" aria-valuemin="0" aria-valuemax="100" style="width:<?php echo $progress_val; ?>%">
+    <?php echo $progress_val.'%'; ?>
+  </div>
+</div>
+<?php
+$folder = $_SESSION['backup_folder'];
+if (!is_dir($folder)) { mkdir($folder, 0777, true); }
+chmod($folder, 0777);
+$date = date('d-m-Y-H-i-s', time()); 
+$filename = $folder."db-backup-".$date; 
+include('dbconfig.php'); 
+define( 'DUMPFILE', $filename . '.sql' );
+ 
+try {
+    //$DB_con = new PDO( 'mysql:host=' . DBHOST . ';dbname=' . DBNAME, DBUSER, DBPASS );
+    $f = fopen( DUMPFILE, 'wt' );
+ 
+    $tables = $DB_con->query( 'SHOW TABLES' );
+    foreach ( $tables as $table ) {
+		//echo   $table[0] . ' ... ';
+		flush();
+        $sql = '-- TABLE: ' . $table[0] . PHP_EOL;
+        $create = $DB_con->query( 'SHOW CREATE TABLE `' . $table[0] . '`' )->fetch();
+        $sql .= $create['Create Table'] . ';' . PHP_EOL;
+        fwrite( $f, $sql );
+ 
+        $rows = $DB_con->query( 'SELECT * FROM `' . $table[0] . '`' );
+        $rows->setFetchMode( PDO::FETCH_ASSOC );
+        foreach ( $rows as $row ) {
+            $row = array_map( array( $DB_con, 'quote' ), $row );
+            $sql = 'INSERT INTO `' . $table[0] . '` (`' . implode( '`, `', array_keys( $row ) ) . '`) VALUES (' . implode( ', ', $row ) . ');' . PHP_EOL;
+            fwrite( $f, $sql );
+        }
+ 
+        $sql = PHP_EOL;
+        $result = fwrite( $f, $sql );
+        if ( $result !== FALSE ) {
+           echo '';
+        } else {
+         //   echo 'ERROR!!' . PHP_EOL;
+        }
+        flush();
+    }
+    fclose( $f );
+} catch (Exception $e) {
+    echo 'Damn it! ' . $e->getMessage() . PHP_EOL;
+}
+?>
+<a id="dlink" href=<?php echo '"'.$filename.'.sql"'?> download>
+
+<script>
+	var btnDownload = function() {
+		document.getElementById("dlink").click();
+		window.location = "admin.php";
+	}
+	btns = [{text:"No",action:"admin.php",style:"cmodal-cancel"}, {text:"Yes",action:btnDownload,style:"cmodal-ok"}];
+	cmodalOkCancel("Backup Complete", "Backing-up of Database Tables to the Selected Path Completed Successfully. Do you want to download the backup ?", "information", btns);
+</script>

config.php

@@ -0,0 +1,5 @@
+<?php 
+$host = '192.168.0.200';
+$user = 'admin';
+$pass = 'admin';
+?>

css/awesome-bootstrap-checkbox.css

@@ -0,0 +1,317 @@
+.checkbox {
+  padding-left: 20px;
+}
+.checkbox label {
+  display: inline-block;
+  vertical-align: middle;
+  position: relative;
+  padding-left: 5px;
+}
+.checkbox label::before {
+  content: "";
+  display: inline-block;
+  position: absolute;
+  width: 17px;
+  height: 17px;
+  left: 0;
+  margin-left: -20px;
+  border: 1px solid #cccccc;
+  border-radius: 3px;
+  background-color: #fff;
+  -webkit-transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
+  -o-transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
+  transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
+}
+.checkbox label::after {
+  display: inline-block;
+  position: absolute;
+  width: 16px;
+  height: 16px;
+  left: 0;
+  top: 0;
+  margin-left: -20px;
+  padding-left: 3px;
+  padding-top: 1px;
+  font-size: 11px;
+  color: #555555;
+}
+.checkbox input[type="checkbox"],
+.checkbox input[type="radio"] {
+  opacity: 0;
+  z-index: 1;
+}
+.checkbox input[type="checkbox"]:focus + label::before,
+.checkbox input[type="radio"]:focus + label::before {
+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+.checkbox input[type="checkbox"]:checked + label::after,
+.checkbox input[type="radio"]:checked + label::after {
+  font-family: "FontAwesome";
+  content: "\f00c";
+}
+.checkbox input[type="checkbox"]:indeterminate + label::after,
+.checkbox input[type="radio"]:indeterminate + label::after {
+  display: block;
+  content: "";
+  width: 10px;
+  height: 3px;
+  background-color: #555555;
+  border-radius: 2px;
+  margin-left: -16.5px;
+  margin-top: 7px;
+}
+.checkbox input[type="checkbox"]:disabled + label,
+.checkbox input[type="radio"]:disabled + label {
+  opacity: 0.65;
+}
+.checkbox input[type="checkbox"]:disabled + label::before,
+.checkbox input[type="radio"]:disabled + label::before {
+  background-color: #eeeeee;
+  cursor: not-allowed;
+}
+.checkbox.checkbox-circle label::before {
+  border-radius: 50%;
+}
+.checkbox.checkbox-inline {
+  margin-top: 0;
+}
+
+.checkbox-primary input[type="checkbox"]:checked + label::before,
+.checkbox-primary input[type="radio"]:checked + label::before {
+  background-color: #337ab7;
+  border-color: #337ab7;
+}
+.checkbox-primary input[type="checkbox"]:checked + label::after,
+.checkbox-primary input[type="radio"]:checked + label::after {
+  color: #fff;
+}
+
+.checkbox-danger input[type="checkbox"]:checked + label::before,
+.checkbox-danger input[type="radio"]:checked + label::before {
+  background-color: #d9534f;
+  border-color: #d9534f;
+}
+.checkbox-danger input[type="checkbox"]:checked + label::after,
+.checkbox-danger input[type="radio"]:checked + label::after {
+  color: #fff;
+}
+
+.checkbox-info input[type="checkbox"]:checked + label::before,
+.checkbox-info input[type="radio"]:checked + label::before {
+  background-color: #5bc0de;
+  border-color: #5bc0de;
+}
+.checkbox-info input[type="checkbox"]:checked + label::after,
+.checkbox-info input[type="radio"]:checked + label::after {
+  color: #fff;
+}
+
+.checkbox-warning input[type="checkbox"]:checked + label::before,
+.checkbox-warning input[type="radio"]:checked + label::before {
+  background-color: #f0ad4e;
+  border-color: #f0ad4e;
+}
+.checkbox-warning input[type="checkbox"]:checked + label::after,
+.checkbox-warning input[type="radio"]:checked + label::after {
+  color: #fff;
+}
+
+.checkbox-success input[type="checkbox"]:checked + label::before,
+.checkbox-success input[type="radio"]:checked + label::before {
+  background-color: #5cb85c;
+  border-color: #5cb85c;
+}
+.checkbox-success input[type="checkbox"]:checked + label::after,
+.checkbox-success input[type="radio"]:checked + label::after {
+  color: #fff;
+}
+
+.checkbox-primary input[type="checkbox"]:indeterminate + label::before,
+.checkbox-primary input[type="radio"]:indeterminate + label::before {
+  background-color: #337ab7;
+  border-color: #337ab7;
+}
+
+.checkbox-primary input[type="checkbox"]:indeterminate + label::after,
+.checkbox-primary input[type="radio"]:indeterminate + label::after {
+  background-color: #fff;
+}
+
+.checkbox-danger input[type="checkbox"]:indeterminate + label::before,
+.checkbox-danger input[type="radio"]:indeterminate + label::before {
+  background-color: #d9534f;
+  border-color: #d9534f;
+}
+
+.checkbox-danger input[type="checkbox"]:indeterminate + label::after,
+.checkbox-danger input[type="radio"]:indeterminate + label::after {
+  background-color: #fff;
+}
+
+.checkbox-info input[type="checkbox"]:indeterminate + label::before,
+.checkbox-info input[type="radio"]:indeterminate + label::before {
+  background-color: #5bc0de;
+  border-color: #5bc0de;
+}
+
+.checkbox-info input[type="checkbox"]:indeterminate + label::after,
+.checkbox-info input[type="radio"]:indeterminate + label::after {
+  background-color: #fff;
+}
+
+.checkbox-warning input[type="checkbox"]:indeterminate + label::before,
+.checkbox-warning input[type="radio"]:indeterminate + label::before {
+  background-color: #f0ad4e;
+  border-color: #f0ad4e;
+}
+
+.checkbox-warning input[type="checkbox"]:indeterminate + label::after,
+.checkbox-warning input[type="radio"]:indeterminate + label::after {
+  background-color: #fff;
+}
+
+.checkbox-success input[type="checkbox"]:indeterminate + label::before,
+.checkbox-success input[type="radio"]:indeterminate + label::before {
+  background-color: #5cb85c;
+  border-color: #5cb85c;
+}
+
+.checkbox-success input[type="checkbox"]:indeterminate + label::after,
+.checkbox-success input[type="radio"]:indeterminate + label::after {
+  background-color: #fff;
+}
+
+.radio {
+  padding-left: 20px;
+}
+.radio label {
+  display: inline-block;
+  vertical-align: middle;
+  position: relative;
+  padding-left: 5px;
+}
+.radio label::before {
+  content: "";
+  display: inline-block;
+  position: absolute;
+  width: 17px;
+  height: 17px;
+  left: 0;
+  margin-left: -20px;
+  border: 1px solid #cccccc;
+  border-radius: 50%;
+  background-color: #fff;
+  -webkit-transition: border 0.15s ease-in-out;
+  -o-transition: border 0.15s ease-in-out;
+  transition: border 0.15s ease-in-out;
+}
+.radio label::after {
+  display: inline-block;
+  position: absolute;
+  content: " ";
+  width: 11px;
+  height: 11px;
+  left: 3px;
+  top: 3px;
+  margin-left: -20px;
+  border-radius: 50%;
+  background-color: #555555;
+  -webkit-transform: scale(0, 0);
+  -ms-transform: scale(0, 0);
+  -o-transform: scale(0, 0);
+  transform: scale(0, 0);
+  -webkit-transition: -webkit-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
+  -moz-transition: -moz-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
+  -o-transition: -o-transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
+  transition: transform 0.1s cubic-bezier(0.8, -0.33, 0.2, 1.33);
+}
+.radio input[type="radio"] {
+  opacity: 0;
+  z-index: 1;
+}
+.radio input[type="radio"]:focus + label::before {
+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+.radio input[type="radio"]:checked + label::after {
+  -webkit-transform: scale(1, 1);
+  -ms-transform: scale(1, 1);
+  -o-transform: scale(1, 1);
+  transform: scale(1, 1);
+}
+.radio input[type="radio"]:disabled + label {
+  opacity: 0.65;
+}
+.radio input[type="radio"]:disabled + label::before {
+  cursor: not-allowed;
+}
+.radio.radio-inline {
+  margin-top: 0;
+}
+
+.radio-primary input[type="radio"] + label::after {
+  background-color: #337ab7;
+}
+.radio-primary input[type="radio"]:checked + label::before {
+  border-color: #337ab7;
+}
+.radio-primary input[type="radio"]:checked + label::after {
+  background-color: #337ab7;
+}
+
+.radio-danger input[type="radio"] + label::after {
+  background-color: #d9534f;
+}
+.radio-danger input[type="radio"]:checked + label::before {
+  border-color: #d9534f;
+}
+.radio-danger input[type="radio"]:checked + label::after {
+  background-color: #d9534f;
+}
+
+.radio-info input[type="radio"] + label::after {
+  background-color: #5bc0de;
+}
+.radio-info input[type="radio"]:checked + label::before {
+  border-color: #5bc0de;
+}
+.radio-info input[type="radio"]:checked + label::after {
+  background-color: #5bc0de;
+}
+
+.radio-warning input[type="radio"] + label::after {
+  background-color: #f0ad4e;
+}
+.radio-warning input[type="radio"]:checked + label::before {
+  border-color: #f0ad4e;
+}
+.radio-warning input[type="radio"]:checked + label::after {
+  background-color: #f0ad4e;
+}
+
+.radio-success input[type="radio"] + label::after {
+  background-color: #5cb85c;
+}
+.radio-success input[type="radio"]:checked + label::before {
+  border-color: #5cb85c;
+}
+.radio-success input[type="radio"]:checked + label::after {
+  background-color: #5cb85c;
+}
+
+input[type="checkbox"].styled:checked + label:after,
+input[type="radio"].styled:checked + label:after {
+  font-family: 'FontAwesome';
+  content: "\f00c";
+}
+input[type="checkbox"] .styled:checked + label::before,
+input[type="radio"] .styled:checked + label::before {
+  color: #fff;
+}
+input[type="checkbox"] .styled:checked + label::after,
+input[type="radio"] .styled:checked + label::after {
+  color: #fff;
+}

css/customModal.css

@@ -0,0 +1,168 @@
+.custom-modal {
+    display: none;
+    position: fixed;
+    z-index: 1053;
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 100%;
+    overflow: auto;
+    background-color: rgb(0,0,0);
+    background-color: rgba(0,0,0,0.5);
+}
+
+.cmodal-content {
+    position: relative;
+    margin: 10% auto;
+    border: 1px solid #888;
+    border-radius: 10px;
+    width: 40%;
+    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
+    -webkit-animation: cmodalmove .4s ;
+    -o-animation: cmodalmove .4s;
+    -moz-animation: cmodalmove .4s;
+    animation: cmodalmove .4s;
+}
+
+@-webkit-keyframes cmodalmove {
+    0%   {top:-400px;}
+    100% {top:0px;}
+}
+
+@keyframes cmodalmove {
+    0%   {top:-400px;}
+    100% {top:0px;}
+}
+
+.cmodal-header {
+    display: block;
+    height: fit-content;
+    width: 100%;
+    border-radius: 10px 10px 0px 0px;
+    background-color: rgb(0,0,0);
+    background-color: rgba(0,0,0,0.25);
+    color: white;
+    padding: -30px;
+}
+
+.cmodal-title {
+    font-size: 1.08em;
+    display: inline;
+    padding: 10px;
+    font-weight: 500;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+.cmodal-close:hover {
+    background-color: orangered;
+}
+
+.cmodal-close {
+    float: right;
+    height: 100%;
+    border-color: rgba(0,0,0,0);
+    border-radius: 5px 5px 0px 5px;
+    text-align: center;
+    font-weight: bold;
+    box-shadow: none;
+    background: lightgrey;
+    cursor: pointer;
+}
+
+.cmodal-body {
+    display: inline;
+}
+
+.cmodal-message {
+    display: block;
+    padding: 20px 10px;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+.cmodal-icon {
+    float: right;
+}
+
+.cmodal-footer {
+    display: block;
+    z-index: -1;
+    border-radius: 0px 0px 10px 10px;
+    background-color: rgb(255,255,255);
+    background-color: rgba(255,255,255,.4);
+    text-align: right;
+}
+
+.cmodal-button {
+    display: inline;
+    margin: 3px 3px;
+    padding: 3px;
+    color: white;
+    min-width: 70px;
+    cursor: pointer;
+    border-radius: 6px;
+    border-color: black;
+    border-color: rgba(0,0,0,0);
+    -webkit-transition: all .2s; 
+    -moz-transition: all .2s; 
+    transition: all .2s;
+    text-decoration: none;
+    text-align: center;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
+}
+
+.cmodal-button:hover {
+    opacity: .95;
+    box-shadow: 2px 2px 1px black;
+}
+
+.cmodal-ok {
+    background: green;
+    background:  linear-gradient( green, mediumseagreen);
+}
+
+.cmodal-cancel { 
+    background: red;
+    background: linear-gradient( red, indianred);
+}
+
+.cmodal-generic { 
+    background: purple;
+    background: linear-gradient( purple, mediumpurple);
+}
+
+.cmodal-blue {
+    background-color: skyblue;
+    background: linear-gradient( dodgerblue, deepskyblue);
+}
+
+.error {
+    background: red;
+	background: -moz-linear-gradient(red, indianred);
+	background: -webkit-linear-gradient(red, indianred);
+	background: -o-linear-gradient(red, indianred);
+    background: linear-gradient(red, indianred);
+}
+
+.information {
+    background: dodgerblue;
+	background: -moz-linear-gradient(dodgerblue, lightblue);
+	background: -webkit-linear-gradient(dodgerblue, lightblue);
+	background: -o-linear-gradient(dodgerblue, lightblue);
+    background: linear-gradient(dodgerblue, lightblue);
+}
+
+.success {
+    background: green;
+	background: -moz-linear-gradient(green, mediumseagreen);
+	background: -webkit-linear-gradient(green, mediumseagreen);
+	background: -o-linear-gradient(green, mediumseagreen);
+    background: linear-gradient(green, mediumseagreen);
+}
+
+.warning {
+    background: darkorange;
+	background: -moz-linear-gradient(orangered, darkorange);
+	background: -webkit-linear-gradient(orangered, darkorange);
+	background: -o-linear-gradient(orangered, darkorange);
+    background: linear-gradient(orangered, darkorange);
+}

css/print.css

@@ -0,0 +1,77 @@
+.navbar{
+display:none;
+}
+.modal{
+	display:none;
+}
+.action{
+	display:none;
+}
+h1{
+	text-transform:uppercase;
+}
+.title, img {
+	display:visible;
+}
+th{
+	text-align:left;
+}
+td{
+	text-align:left;
+	border-top:1px solid;
+	padding:2px;
+}
+.btn{
+	display:none;
+}
+.alert{
+	display:none;
+}
+body{
+	font-family:arial;
+	font-size:13px;
+}
+.no_print{
+	display:none;
+}
+.printable{
+display:visible;
+}
+span{
+text-transform:uppercase;
+}
+/*
+.name span{
+display:block;
+}
+.name span strong{
+margin-left:10px;
+}
+.add_grade{
+display:none;
+}
+.act{
+display:none;
+}
+.logout{
+display:none;
+}
+#add{
+display:none;
+}
+.dataTables_filter{
+display:none;
+}
+.nav{
+display:none;
+}
+.dataTables_paginate {
+display:none;
+}
+#example_length{
+display:none;
+}
+.dataTables_info{
+	display:none;
+}
+*/

css/style.css

@@ -0,0 +1,341 @@
+@import url(http://fonts.googleapis.com/css?family=Open+Sans:400,300,700,600);
+@import url(http://fonts.googleapis.com/css?family=Oswald:400,300);
+
+body {
+    background: url(../images/bg.jpg);
+    background-attachment: fixed;
+    background-size: cover;
+    background-position: 50% 50%;
+    font-family: 'Open Sans', sans-serif;
+}
+
+a,
+a:hover,
+a:focus,
+a:active,
+a.active {
+    outline: 0;
+}
+
+ul,ol {
+    margin: 0;
+    padding: 0;
+}
+
+li {
+    list-style: none;
+}
+
+a {
+    color: #FF432E;
+    text-decoration: none;
+}
+
+a:hover {
+    text-decoration: none;
+}
+
+p {
+    font-family: 'Open Sans', sans-serif;
+    font-size: 13px;
+    line-height: 21px;
+}
+
+/**** Start Logo Section ****/
+
+#logo-section {
+    
+}
+
+.logo h1 {
+    font-family: 'Lobster', cursive;
+    color: #fff;
+    font-size: 60px;
+}
+
+.logo span {
+    color: #999;
+}
+
+
+
+/**** Start Background Color ****/
+
+.blue {
+    background: #28ABE3;
+}
+
+.green {
+    background: #72bf48;
+}
+
+.red {
+    background: #FF432E;
+}
+
+.olive {
+    background: #808000;
+}
+
+.purple {
+    background: #800080;
+}
+.fuchsia {
+    background: #FF00FF;
+}
+.navy {
+    background: #000080;
+}
+.bisque {
+    background: #FFE4C4;
+}
+.gold {
+    background: #FFD700;
+}
+.skyblue {
+    background: #87CEEB;
+}
+.lavender {
+    background: #E6E6FA;
+}
+.coral {
+    background: #FB7F50; /* wrong code for color */
+}
+
+
+/**** Start Main Body Section ****/
+.mainbody-section {
+    padding-top: 50px;
+    padding-bottom: 30px;
+}
+
+.menu-item {
+    color: #fff;
+    padding-top: 20px;
+    padding-bottom: 20px;
+    margin-bottom: 30px;
+	-webkit-transition: all 0.3s;
+	transition: all 0.3s;
+	
+}
+
+.menu-item a {
+    color: #fff;
+    display: block;
+	-webkit-transition: all 0.3s;
+	transition: all 0.3s;
+}
+
+.menu-item a p {
+    font-family: 'Oswald', sans-serif;
+    font-weight: 300;
+    font-size: 20px;
+}
+
+.menu-item a i {
+    font-size: 50px;
+    padding-bottom: 20px;
+}
+
+.menu-item:hover a {
+    text-decoration: none;
+    //color: #333;
+	animation: wobble;
+	-webkit-animation: wobble;
+	animation-duration: 1000ms;
+	-webkit-animation-duration: 1000ms;
+}
+
+@media only screen 
+and (min-width : 600px) 
+and (max-width : 991px) {
+    
+    .menu-item {
+        display: inline-block;
+        width: 32.8%;
+    }
+    
+    .menu-item.responsive {
+        width: 49.5%;
+        float: left;
+        margin-right: 3px;
+    }
+    
+    .menu-item.responsive-2 {
+        width: 49.5%;
+        float: right;
+    }
+    
+}
+
+@media only screen 
+and (min-width : 992px) 
+and (max-width : 1199px) {
+    
+    .menu-item {
+        padding-top: 15px;
+        padding-bottom: 15px;
+    }
+    
+    .menu-item a i {
+        font-size: 32px;
+    }
+    
+    .menu-item a p {
+        font-size: 16px;
+    }
+    
+}
+
+/**** Start Modal Section ****/
+
+.modal-content {
+	overflow:visible !important;
+}
+.child-modal .modal-content {
+	padding: 50px 0 !important;
+	margin-top: 120px !important;
+	margin-right: 20px !important;
+	margin-left: 20px !important;
+	margin-bottom: 80px !important;
+	min-height: auto !important;
+    border: 2 !important;
+    border-radius: 6 !important;
+    background-clip: border-box;
+    -webkit-box-shadow: none !important;
+    -moz-box-shadow: none !important;
+    box-shadow: 10px 10px 5px 3px #888888 !important;
+    font-weight: 200;
+	color: #666 !important;
+    font-family: 'Oswald', sans-serif;
+    text-transform: none;
+}
+
+.modal-footer {
+	padding: 1px !important;
+}	
+
+table#table-01 {
+    width:100%;
+	border-radius: 10 !important;
+	border-spacing: 5px !important;
+}
+table, th, td {
+    border: 1px solid black;
+    border-collapse: collapse;
+	border-spacing: 5px !important;
+}
+th, td {
+    padding: 5px;
+    text-align: left;
+}
+table#table-01 tr:nth-child(even) {
+    background-color: #eee;
+}
+table#table-01 tr:nth-child(odd) {
+   background-color:#fff;
+}
+table#table-01 th {
+    background-color: black;
+    color: white;
+}
+.card-columns {
+
+ @include media-breakpoint-only(lg) {
+    column-count: 4;
+  }
+  @include media-breakpoint-only(xl) {
+    column-count: 5;
+  }
+ @include media-breakpoint-only(sm) {
+    column-count: 3;
+ }
+	@include media-breakpoint-only(xs) {
+    column-count: 3;	
+}
+}
+img.center {
+    display: block;
+    margin: 0 auto;
+}
+.center-element {
+width: 100%;
+margin: 0px auto 0px auto;
+}
+/*
+@media print {
+  *,
+  *:before,enter code here
+  *:after {
+    color: #000 !important;
+    text-shadow: none !important;
+    background: transparent !important;
+    -webkit-box-shadow: none !important;
+            box-shadow: none !important;
+  }
+  a,
+  a:visited {
+    text-decoration: underline;
+  }
+  a[href]:after {
+    content: " (" attr(href) ")";
+  }
+  abbr[title]:after {
+    content: " (" attr(title) ")";
+  }
+  a[href^="#"]:after,
+  a[href^="javascript:"]:after {
+    content: "";
+  }
+  pre,
+  blockquote {
+    border: 1px solid #999;
+
+    page-break-inside: avoid;
+  }
+  thead {
+    display: table-header-group;
+  }
+  tr,
+  img {
+    page-break-inside: avoid;
+  }
+  img {
+    max-width: 100% !important;
+  }
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3;
+  }
+  h2,
+  h3 {
+    page-break-after: avoid;
+  }
+  select {
+    background: #fff !important;
+  }
+  .navbar {
+    display: none;
+  }
+  .btn > .caret,
+  .dropup > .btn > .caret {
+    border-top-color: #000 !important;
+  }
+  .label {
+    border: 1px solid #000;
+  }
+  .table {
+    border-collapse: collapse !important;
+  }
+  .table td,
+  .table th {
+    background-color: #fff !important;
+  }
+  .table-bordered th,
+  .table-bordered td {
+    border: 1px solid #ddd !important;
+  }
+}
+*/

database.php

@@ -0,0 +1,60 @@
+<?php
+$stmt = $DB_con->prepare("SET SQL_MODE = 'NO_AUTO_VALUE_ON_ZERO'");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("SET time_zone = '+05:30'");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("CREATE TABLE IF NOT EXISTS `hotspot_users` (
+  `user_id` int(11) NOT NULL,
+  `email` varchar(200) NOT NULL,
+  `date_added` date NOT NULL,
+  `firstname` varchar(30) NOT NULL,
+  `lastname` varchar(30) NOT NULL,
+  `password` varchar(60) NOT NULL,
+  `created_at` datetime NOT NULL,
+  `username` varchar(30) NOT NULL,
+  `user_level` int(11) NOT NULL DEFAULT '3',
+  `user_group` int(1) NOT NULL,
+  `image_path` varchar(50) NOT NULL,
+  `thumb_path` varchar(50) NOT NULL,
+  `status` varchar(20) NOT NULL
+) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("ALTER TABLE `hotspot_users`
+  ADD PRIMARY KEY (`user_id`),
+  ADD KEY `username` (`username`)");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("ALTER TABLE `hotspot_users`
+  MODIFY `user_id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=1");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("CREATE TABLE IF NOT EXISTS `hotspot_vouchers` (
+  `id` int(11) NOT NULL,
+  `created_on` datetime DEFAULT NULL,
+  `created_by` varchar(30) DEFAULT NULL,
+  `creator` int(3) DEFAULT NULL,
+  `user_name` varchar(30) DEFAULT NULL,
+  `password` varchar(30) DEFAULT NULL,
+  `printed_times` int(3) DEFAULT NULL,
+  `printed_last` varchar(30) DEFAULT NULL,
+  `status` varchar(10) DEFAULT NULL,
+  `group_of` int(4) DEFAULT NULL,
+  `booking_id` int(11) DEFAULT NULL,
+  `limit_uptime` varchar(30) DEFAULT NULL,
+  `limit_bytes` varchar(30) DEFAULT NULL,
+  `profile` varchar(30) DEFAULT NULL,
+  `uid` VARCHAR(30) NOT NULL
+) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("ALTER TABLE `hotspot_vouchers`
+  ADD PRIMARY KEY (`id`)");
+$stmt->execute(array());
+
+$stmt = $DB_con->prepare("ALTER TABLE `hotspot_vouchers`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT");
+$stmt->execute(array());
+?>

dbconfig.php

@@ -0,0 +1,24 @@
+<?php
+	$DB_host = "localhost";
+	$DB_user = "root";
+	$DB_pass = "root123";
+	$DB_name = "mikrotik";
+
+	try
+		{
+			$DB_con = new PDO("mysql:host={$DB_host}",$DB_user,$DB_pass);
+			$DB_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+			
+			$dbname = "`".str_replace("`","``",$DB_name)."`";
+			$DB_con->query("CREATE DATABASE IF NOT EXISTS $dbname");
+			$DB_con->query("use $dbname");
+		}
+		catch(PDOException $e) {
+			echo "Error Creating/Locating Database $dbname: " . $e->getMessage();
+	}
+	
+	/* Old Version, NOT creating DB if NOT Exist
+	$DB_con = new PDO("mysql:host={$DB_host};dbname={$DB_name}",$DB_user,$DB_pass);
+	$DB_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+	*/
+?>

fonts/fontawesome-webfont.svg

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+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata></metadata>
+<defs>
+<font id="fontawesomeregular" horiz-adv-x="1536" >
+<font-face units-per-em="1792" ascent="1536" descent="-256" />
+<missing-glyph horiz-adv-x="448" />
+<glyph unicode=" "  horiz-adv-x="448" />
+<glyph unicode="&#x09;" horiz-adv-x="448" />
+<glyph unicode="&#xa0;" horiz-adv-x="448" />
+<glyph unicode="&#xa8;" horiz-adv-x="1792" />
+<glyph unicode="&#xa9;" horiz-adv-x="1792" />
+<glyph unicode="&#xae;" horiz-adv-x="1792" />
+<glyph unicode="&#xb4;" horiz-adv-x="1792" />
+<glyph unicode="&#xc6;" horiz-adv-x="1792" />
+<glyph unicode="&#xd8;" horiz-adv-x="1792" />
+<glyph unicode="&#x2000;" horiz-adv-x="768" />
+<glyph unicode="&#x2001;" horiz-adv-x="1537" />
+<glyph unicode="&#x2002;" horiz-adv-x="768" />
+<glyph unicode="&#x2003;" horiz-adv-x="1537" />
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+<glyph unicode="&#x2009;" horiz-adv-x="307" />
+<glyph unicode="&#x200a;" horiz-adv-x="85" />
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