AlkantarClanX12
Your IP : 18.117.94.77
<?php
namespace EmbedPress;
(defined('ABSPATH') && defined('EMBEDPRESS_IS_LOADED')) or die("No direct script access allowed.");
/**
* Entity responsible for autoloading classes using the PSR-4 pattern.
*
* @package EmbedPress
* @author EmbedPress <help@embedpress.com>
* @copyright Copyright (C) 2023 WPDeveloper. All rights reserved.
* @license GPLv3 or later
* @since 1.0.0
*/
class AutoLoader
{
/**
* Associative array where the key is a namespace prefix and the value
* is an array of base directories for classes in that namespace.
*
* @since 1.0.0
* @access protected
* @static
*
* @var array
*/
protected static $prefixes = [];
/**
* Associative array of prefixes for loading specialized camelCase classes
* where Uppercase letters in the class name indicate directory structure
*
* @since 1.0.0
* @access protected
* @static
*
* @var array
*/
protected static $camelPrefixes = [];
/**
* @since 1.0.0
* @access protected
* @static
*
* @var AutoLoader
*/
protected static $instance = null;
/**
* Register a new loader.
*
* @since 1.0.0
* @access protected
* @static
*
* @param string $method The method name which will be called.
*
* @return void
*/
protected static function registerLoader($method)
{
if (static::$instance === null) {
static::$instance = new static();
}
spl_autoload_register([static::$instance, $method]);
}
/**
* Register a psr4 namespace
*
* @since 1.0.0
* @static
*
* @param string $prefix The namespace prefix.
* @param string $baseDir A base directory for class files in the namespace.
* @param bool $prepend If true, prepend the base directory to the stack instead of
* appending it; this causes it to be searched first rather than last.
*
* @return void
*/
public static function register($prefix = null, $baseDir = null, $prepend = false)
{
if ($prefix === null || $baseDir === null) {
// Recognize old-style instantiations for backward compatibility
return;
}
if (count(self::$prefixes) == 0) {
// Register function on first call
static::registerLoader('loadClass');
}
// normalize namespace prefix
$prefix = trim($prefix, '\\') . '\\';
// normalize the base directory with a trailing separator
$baseDir = rtrim($baseDir, '\\/') . '/';
// initialise the namespace prefix array
if (empty(self::$prefixes[$prefix])) {
self::$prefixes[$prefix] = [];
}
// retain the base directory for the namespace prefix
if ($prepend) {
array_unshift(self::$prefixes[$prefix], $baseDir);
} else {
array_push(self::$prefixes[$prefix], $baseDir);
}
}
/**
* Loads the class file for a given class name.
*
* @since 1.0.0
* @access protected
* @static
*
* @param string $class The fully-qualified class name.
*
* @return mixed The mapped file name on success, or boolean false on failure.
*/
protected function loadClass($class)
{
$prefixes = explode('\\', $class);
$className = '';
while ($prefixes) {
$className = array_pop($prefixes) . $className;
$prefix = join('\\', $prefixes) . '\\';
if ($filePath = $this->loadMappedFile($prefix, $className)) {
return $filePath;
}
$className = '\\' . $className;
}
// never found a mapped file
return false;
}
/**
* Load the mapped file for a namespace prefix and class.
*
* @since 1.0.0
* @access protected
* @static
*
* @param string $prefix The namespace prefix.
* @param string $className The relative class name.
*
* @return mixed False if no mapped file can be loaded | path that was loaded
*/
protected function loadMappedFile($prefix, $className)
{
// are there any base directories for this namespace prefix?
if (isset(self::$prefixes[$prefix]) === false) {
return false;
}
// look through base directories for this namespace prefix
foreach (self::$prefixes[$prefix] as $baseDir) {
$path = $baseDir . str_replace('\\', '/', $className) . '.php';
if (is_file($path)) {
require_once $path;
return $path;
}
}
// never found it
return false;
}
/**
* Register a base directory for classes organized using camelCase.
* Class names beginning with the prefix will be automatically loaded
* if there is a matching file in the directory tree starting with $baseDir.
* File names and directory names are all expected to be lower case.
*
* @since 1.0.0
* @static
*
* @param string $prefix
* @param string $baseDir
*
* @return void
* @throws \Exception
*/
public static function registerCamelBase($prefix, $baseDir)
{
if ( ! is_dir($baseDir)) {
throw new \Exception("Cannot register '{$prefix}'. The requested base directory does not exist!'");
}
if (count(self::$camelPrefixes) == 0) {
// Register function on first call
static::registerLoader('loadCamelClass');
}
if (empty(self::$camelPrefixes[$prefix])) {
self::$camelPrefixes[$prefix] = $baseDir;
}
}
/**
* Autoload a class using the camelCase structure
*
* @since 1.0.0
* @access protected
*
* @param string $class
*
* @return mixed Bool/string
*/
protected function loadCamelClass($class)
{
if ( ! class_exists($class)) {
foreach (self::$camelPrefixes as $prefix => $baseDir) {
if (strpos($class, $prefix) === 0) {
$parts = preg_split('/(?<=[a-z])(?=[A-Z])/x', substr($class, strlen($prefix)));
$file = strtolower(join('/', $parts));
$filePath = $baseDir . '/' . $file . '.php';
if (is_file($filePath)) {
require_once $filePath;
return $filePath;
}
}
}
}
// No file found
return false;
}
}