/** * Gets the list of prioritised extractor classes * * @return array */ protected static function get_extractor_classes() { // Check cache if (self::$sorted_extractor_classes) { return self::$sorted_extractor_classes; } // Generate the sorted list of extractors on demand. $classes = ClassInfo::subclassesFor("FileTextExtractor"); array_shift($classes); $classPriorities = array(); foreach ($classes as $class) { $classPriorities[$class] = Config::inst()->get($class, 'priority'); } arsort($classPriorities); // Save classes $sortedClasses = array_keys($classPriorities); return self::$sorted_extractor_classes = $sortedClasses; }
/** * @param String $path * @return FileTextExtractor */ static function for_file($path) { $extension = pathinfo($path, PATHINFO_EXTENSION); if (!self::$sorted_extractor_classes) { // Generate the sorted list of extractors on demand. $classes = ClassInfo::subclassesFor("FileTextExtractor"); array_shift($classes); $sortedClasses = array(); foreach ($classes as $class) { $sortedClasses[$class] = Config::inst()->get($class, 'priority'); } arsort($sortedClasses); self::$sorted_extractor_classes = $sortedClasses; } foreach (self::$sorted_extractor_classes as $className => $priority) { $formatter = new $className(); $matched = array_filter($formatter->supportedExtensions(), function ($compare) use($extension) { return strtolower($compare) == strtolower($extension); }); if ($matched) { return $formatter; } } }