class.autoloader.php

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<?php
/*
 * Copyright (c) 2021-2024 Bearsampp
 * License:  GNU General Public License version 3 or later; see LICENSE.txt
 * Author: Bear
 * Website: https://bearsampp.com
 * Github: https://github.com/Bearsampp
 */
 
/**
 * Class Autoloader
 *
 * This class handles the autoloading of classes within the Bearsampp application.
 * It registers itself with the SPL autoload stack and loads classes based on naming conventions.
 */
class Autoloader
{
    /**
     * Autoloader constructor.
     *
     * Initializes the Autoloader object.
     */
    public function __construct()
    {
    }
 
    /**
     * Loads the specified class file based on the class name.
     *
     * @param string $class The name of the class to load.
     * @return bool True if the class file was successfully loaded, false otherwise.
     */
    public function load($class)
    {
        global $bearsamppRoot;
 
        $class = strtolower($class);
        $rootPath = $bearsamppRoot->getCorePath();
 
        $file = $rootPath . '/classes/class.' . $class . '.php';
        if (Util::startWith($class, 'bin')) {
            $class = $class != 'bins' ? substr_replace($class, '.', 3, 0) : $class;
            $file = $rootPath . '/classes/bins/class.' . $class . '.php';
        } elseif (Util::startWith($class, 'tool')) {
            $class = $class != 'tools' ? substr_replace($class, '.', 4, 0) : $class;
            $file = $rootPath . '/classes/tools/class.' . $class . '.php';
        } elseif (Util::startWith($class, 'app')) {
            $class = $class != 'apps' ? substr_replace($class, '.', 3, 0) : $class;
            $file = $rootPath . '/classes/apps/class.' . $class . '.php';
        } elseif (Util::startWith($class, 'action')) {
            $class = $class != 'action' ? substr_replace($class, '.', 6, 0) : $class;
            $file = $rootPath . '/classes/actions/class.' . $class . '.php';
        } elseif (Util::startWith($class, 'tplapp') && $class != 'tplapp') {
            $class = substr_replace(substr_replace($class, '.', 3, 0), '.', 7, 0);
            $file = $rootPath . '/classes/tpls/app/class.' . $class . '.php';
        } elseif (Util::startWith($class, 'tpl')) {
            $class = $class != 'tpls' ? substr_replace($class, '.', 3, 0) : $class;
            $file = $rootPath . '/classes/tpls/class.' . $class . '.php';
        }
 
        if (!file_exists($file)) {
            return false;
        }
 
        require_once $file;
        return true;
    }
 
    /**
     * Registers the autoloader with the SPL autoload stack.
     *
     * @return bool True on success, false on failure.
     */
    public function register()
    {
        return spl_autoload_register(array($this, 'load'));
    }
 
    /**
     * Unregisters the autoloader from the SPL autoload stack.
     *
     * @return bool True on success, false on failure.
     */
    public function unregister()
    {
        return spl_autoload_unregister(array($this, 'load'));
    }
}