<?php

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// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue

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// SPDX-License-Identifier: BSD-3-Clause

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/**

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* PSR-4 implementation for SimplePie.

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*

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* After registering this autoload function with SPL, the following line

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* would cause the function to attempt to load the \SimplePie\SimplePie class

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* from /src/SimplePie.php:

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*

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* new \SimplePie\SimplePie();

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*

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* @param string $class The fully-qualified class name.

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* @return void

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*/

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spl_autoload_register(function ($class) {

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// project-specific namespace prefix

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$prefix = 'SimplePie\\';

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// base directory for the namespace prefix

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$base_dir = __DIR__ . '/src/';

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// does the class use the namespace prefix?

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$len = strlen($prefix);

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if (strncmp($prefix, $class, $len) !== 0) {

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// no, move to the next registered autoloader

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return;

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}

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// get the relative class name

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$relative_class = substr($class, $len);

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// replace the namespace prefix with the base directory, replace namespace

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// separators with directory separators in the relative class name, append

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// with .php

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$file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';

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// if the file exists, require it

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if (file_exists($file)) {

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require $file;

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}

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});

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// autoloader

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spl_autoload_register(array(new SimplePie_Autoloader(), 'autoload'));

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if (!class_exists('SimplePie'))

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{

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exit('Autoloader not registered properly');

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}

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/**

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* Autoloader class

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*/

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class SimplePie_Autoloader

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{

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protected $path;

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/**

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* Constructor

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*/

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public function __construct()

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{

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$this->path = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'library';

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}

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/**

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* Autoloader

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*

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* @param string $class The name of the class to attempt to load.

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*/

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public function autoload($class)

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{

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// Only load the class if it starts with "SimplePie"

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if (strpos($class, 'SimplePie') !== 0)

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{

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return;

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}

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$filename = $this->path . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';

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include $filename;

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}

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}

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