Pipe\Environment::__construct PHP Метод

    function __construct($root = null)
    {
        $this->root = $root;
        $this->loadPaths = new FileUtils\PathStack($this->root);
        $this->engines = Template::getEngines();
        # Enable resolving logical paths without extension.
        $this->loadPaths->appendExtensions(array_keys($this->engines->getEngines()));
        $this->loadPaths->appendExtensions(array_keys($this->contentTypes));
        $this->preProcessors = new ProcessorRegistry();
        $this->postProcessors = new ProcessorRegistry();
        $this->bundleProcessors = new ProcessorRegistry();
        $this->registerEngine('\\Pipe\\JstProcessor', '.jst');
        # Override Mustache compiler with more useful Mustache to JS compiler,
        # which is usable with the JST processor
        $this->registerEngine('\\MetaTemplate\\Template\\MustacheJsTemplate', '.mustache');
        # Register default processors
        $this->registerPreProcessor('text/css', '\\Pipe\\ImportProcessor');
        $this->registerPreProcessor('text/css', '\\Pipe\\DirectiveProcessor');
        $this->registerPreProcessor('application/javascript', '\\Pipe\\DirectiveProcessor');
        $this->registerPostProcessor('application/javascript', '\\Pipe\\SafetyColons');
    }