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Editing: class.auto-loader.php
<?php namespace WPGMZA; if(!defined('ABSPATH')) return; /** * The AutoLoader class can be used to scan a directory and register any * classes found in the PHP files there, recursively. * * These classes will be registered for autoloading. * * This class may be built on to use a JSON cache in the future. */ class AutoLoader { protected $filenamesByClass; /** * The AutoLoader constructor. */ public function __construct() { // TODO: Maybe cache these in a JSON object and only refreshin developer mode $this->filenamesByClass = array(); } /** * Updates the JSON cache of classes * @todo implement * @return void */ protected function updateCache() { // TODO: Not yet implemented /*$dst = plugin_dir_path(__FILE__) . 'classes.json'; $json = json_encode((object)array( 'filenamesByClass' => $this->filenamesByClass )); file_put_contents($dst, $json);*/ } /** * Gets the first class defined in the specified file * @param string $file The file to scan for a class * @return string The fully qualified class, or NULL if none found * NB: With thanks to netcoder - https://stackoverflow.com/questions/7153000/get-class-name-from-file */ public function getClassesInFile($file) { $fp = fopen($file, 'r'); $class = $namespace = $buffer = ''; $i = 0; $results = array(); $buffer = file_get_contents($file); /* Regex only based autoloader - Default as of 2024-11-18 */ if(preg_match('/^\s*namespace\s+(.+);/m', $buffer, $m)){ $namespace = '\\' . trim($m[1]); } if(preg_match('/^(abstract)?\s*class\s+(\w+)/m', $buffer, $m)){ $class = trim($m[2]); } $result = $namespace . '\\' . $class; /* Disabled as of 2024-11-18 */ /* This if/else logic block is failing in some environments. We should revisit it, but for now the regex only method seems very reliable on all environments */ /* if(!function_exists('token_get_all')) { // Regex fallback for users without token_get_all if(preg_match('/^\s*namespace\s+(.+);/m', $buffer, $m)){ $namespace = '\\' . trim($m[1]); } if(preg_match('/^(abstract)?\s*class\s+(\w+)/m', $buffer, $m)){ $class = trim($m[2]); } $result = $namespace . '\\' . $class; } else { $triggerFallback = false; try{ $tokens = @token_get_all($buffer); for (;$i<count($tokens);$i++) { if ($tokens[$i][0] === T_NAMESPACE) { for ($j=$i+1;$j<count($tokens); $j++) { // We need to be sure 'T_NAME_QUALIFIED' is defined before testing it if ($tokens[$j][0] === T_STRING || (defined('T_NAME_QUALIFIED') && $tokens[$j][0] === T_NAME_QUALIFIED)) { $namespace .= '\\'.$tokens[$j][1]; } else if ($tokens[$j] === '{' || $tokens[$j] === ';') { break; } } } if ($tokens[$i][0] === T_CLASS) { for ($j=$i+1;$j<count($tokens);$j++) { if ($tokens[$j] === '{') { if(!empty($tokens[$i+2]) && !empty($tokens[$i+2][1])){ $class = $tokens[$i+2][1]; } else { $triggerFallback = true; } } } } if(!empty($class)){ break; } } $result = $namespace . '\\' . $class; } catch (\Exception $ex){ $triggerFallback = true; } catch (\Error $err){ $triggerFallback = true; } // Final fallback check if(empty($class) && !empty($triggerFallback)){ // Regex fallback for users without token_get_all if(preg_match('/^\s*namespace\s+(.+);/m', $buffer, $m)){ $namespace = '\\' . trim($m[1]); } if(preg_match('/^(abstract)?\s*class\s+(\w+)/m', $buffer, $m)){ $class = trim($m[2]); } $result = $namespace . '\\' . $class; } } */ if(empty($class)){ return null; } return $result; } /** * Gets all the classes in PHP files in the specified path, recursively * @param string $path The path to scan * @return array An array of all the fully qualified */ public function getClassesInPathByFilename($path) { $results = array(); $dir = new \RecursiveDirectoryIterator($path); $iter = new \RecursiveIteratorIterator($dir); $regex = new \RegexIterator($iter, '/^.+(\.php)$/i', \RecursiveRegexIterator::GET_MATCH); $phpVersionFiles = array(); foreach($regex as $m) { $file = $m[0]; $dir = basename(dirname($file)); $filename = basename($file); if(strpos($dir, 'php') !== FALSE){ if(version_compare(phpversion(), str_replace('php', '', $dir), '>=')){ $phpVersionFiles[] = $filename; } else { /* Environment doesn't support this PHP version */ continue; } } $classes = $this->getClassesInFile($file); $results[$file] = $classes; } /* Unload any version dependent classes, example: below V8 PHP */ /* Note: There are definitely better ways to go about this, but for now, this will help users on V8 PHP */ if(!empty($phpVersionFiles)){ foreach($phpVersionFiles as $file){ foreach($results as $comparison => $class){ $dir = basename(dirname($comparison)); $filename = basename($comparison); if($filename === $file && strpos($dir, 'php') === FALSE){ unset($results[$comparison]); } } } } return $results; } /** * Recursively scans all PHP files in the given patch and registers any classes found. * @param string $path The path to scan * @return void */ public function registerClassesInPath($path) { global $wpgmza; //$cacheFile = $relative . 'includes/auto-loader-cache.json'; //$useCache = !$wpgmza->isInDeveloperMode() && file_exists($cacheFile); $classesByFilename = $this->getClassesInPathByFilename($path); foreach($classesByFilename as $file => $class) { if(!empty($class)) $this->filenamesByClass[$class] = $file; } $this->updateCache(); } /** * This function is registered with PHPs native spl_autoloader_register to require the file associated with the class. This function is to be treated as private and should only be called by PHP itself. * @internal * @param string $class The class passed in by PHP * @return void */ public function callback($class) { $pattern = "/^(\\\\?)WPGMZA/"; if(!preg_match($pattern, $class, $m)) return; if(empty($m[1])) $class = '\\' . $class; if(!isset($this->filenamesByClass[$class])) return; $file = $this->filenamesByClass[$class]; if(wpgmza_preload_is_in_developer_mode()) wpgmza_require_once( $file ); else try{ wpgmza_require_once( $file ); }catch(\Exception $e) { add_action('admin_notices', function() use ($e) { ?> <div class="notice notice-error is-dismissible"> <p> <strong> <?php _e('WP Go Maps', 'wp-google-maps'); ?></strong>: <?php _e('The plugins autoloader failed to register one or more modules. This is usually due to missing files. Please re-install the plugin and any relevant add-ons. Technical details are as follows: ', 'wp-google-maps'); echo $e->getMessage(); ?> </p> </div> <?php }); } } } global $wpgmza_auto_loader; $wpgmza_auto_loader = new AutoLoader(); $wpgmza_auto_loader->registerClassesInPath(__DIR__); spl_autoload_register(array($wpgmza_auto_loader, 'callback'));
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