init

vendor/cakephp/core/ClassLoader.php

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+<?php
+declare(strict_types=1);
+
+/**
+ * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
+ * Copyright 2005-2011, Cake Software Foundation, Inc. (https://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
+ * @link          https://cakephp.org CakePHP(tm) Project
+ * @since         3.0.0
+ * @license       https://opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\Core;
+
+/**
+ * ClassLoader
+ *
+ * @deprecated 4.0.3 Use composer to generate autoload files instead.
+ */
+class ClassLoader
+{
+    /**
+     * An associative array where the key is a namespace prefix and the value
+     * is an array of base directories for classes in that namespace.
+     *
+     * @var array<string, array>
+     */
+    protected $_prefixes = [];
+
+    /**
+     * Register loader with SPL autoloader stack.
+     *
+     * @return void
+     */
+    public function register(): void
+    {
+        /** @var callable $callable */
+        $callable = [$this, 'loadClass'];
+        spl_autoload_register($callable);
+    }
+
+    /**
+     * Adds a base directory for a namespace prefix.
+     *
+     * @param string $prefix The namespace prefix.
+     * @param string $baseDir A base directory for class files in the
+     * namespace.
+     * @param bool $prepend If true, prepend the base directory to the stack
+     * instead of appending it; this causes it to be searched first rather
+     * than last.
+     * @return void
+     */
+    public function addNamespace(string $prefix, string $baseDir, bool $prepend = false): void
+    {
+        $prefix = trim($prefix, '\\') . '\\';
+
+        $baseDir = rtrim($baseDir, '/') . DIRECTORY_SEPARATOR;
+        $baseDir = rtrim($baseDir, DIRECTORY_SEPARATOR) . '/';
+
+        $this->_prefixes[$prefix] = $this->_prefixes[$prefix] ?? [];
+
+        if ($prepend) {
+            array_unshift($this->_prefixes[$prefix], $baseDir);
+        } else {
+            $this->_prefixes[$prefix][] = $baseDir;
+        }
+    }
+
+    /**
+     * Loads the class file for a given class name.
+     *
+     * @param string $class The fully-qualified class name.
+     * @return string|false The mapped file name on success, or boolean false on
+     * failure.
+     */
+    public function loadClass(string $class)
+    {
+        $prefix = $class;
+
+        while (($pos = strrpos($prefix, '\\')) !== false) {
+            $prefix = substr($class, 0, $pos + 1);
+            $relativeClass = substr($class, $pos + 1);
+
+            $mappedFile = $this->_loadMappedFile($prefix, $relativeClass);
+            if ($mappedFile) {
+                return $mappedFile;
+            }
+
+            $prefix = rtrim($prefix, '\\');
+        }
+
+        return false;
+    }
+
+    /**
+     * Load the mapped file for a namespace prefix and relative class.
+     *
+     * @param string $prefix The namespace prefix.
+     * @param string $relativeClass The relative class name.
+     * @return string|false Boolean false if no mapped file can be loaded, or the
+     * name of the mapped file that was loaded.
+     */
+    protected function _loadMappedFile(string $prefix, string $relativeClass)
+    {
+        if (!isset($this->_prefixes[$prefix])) {
+            return false;
+        }
+
+        foreach ($this->_prefixes[$prefix] as $baseDir) {
+            $file = $baseDir . str_replace('\\', DIRECTORY_SEPARATOR, $relativeClass) . '.php';
+
+            if ($this->_requireFile($file)) {
+                return $file;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * If a file exists, require it from the file system.
+     *
+     * @param string $file The file to require.
+     * @return bool True if the file exists, false if not.
+     */
+    protected function _requireFile(string $file): bool
+    {
+        if (file_exists($file)) {
+            require $file;
+
+            return true;
+        }
+
+        return false;
+    }
+}