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62 lines
1.7 KiB
PHP
62 lines
1.7 KiB
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) Daniele Alessandri <suppakilla@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis;
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/**
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* Implements a lightweight PSR-0 compliant autoloader for Predis.
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*
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* @author Eric Naeseth <eric@thumbtack.com>
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* @author Daniele Alessandri <suppakilla@gmail.com>
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*/
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class Autoloader
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{
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private $directory;
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private $prefix;
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private $prefixLength;
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/**
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* @param string $baseDirectory Base directory where the source files are located.
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*/
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public function __construct($baseDirectory = __DIR__)
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{
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$this->directory = $baseDirectory;
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$this->prefix = __NAMESPACE__.'\\';
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$this->prefixLength = strlen($this->prefix);
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}
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/**
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* Registers the autoloader class with the PHP SPL autoloader.
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*
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* @param bool $prepend Prepend the autoloader on the stack instead of appending it.
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*/
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public static function register($prepend = false)
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{
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spl_autoload_register(array(new self(), 'autoload'), true, $prepend);
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}
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/**
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* Loads a class from a file using its fully qualified name.
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*
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* @param string $className Fully qualified name of a class.
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*/
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public function autoload($className)
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{
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if (0 === strpos($className, $this->prefix)) {
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$parts = explode('\\', substr($className, $this->prefixLength));
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$filepath = $this->directory.DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $parts).'.php';
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if (is_file($filepath)) {
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require $filepath;
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}
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}
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}
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}
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