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