SassDirectiveNode.php in Sassy 7

File

phamlp/sass/tree/SassDirectiveNode.php

<?php

/* SVN FILE: $Id$ */

/**
 * SassDirectiveNode class file.
 * @author			Chris Yates <[e-mail]>
 * @copyright 	Copyright (c) 2010 PBM Web Development
 * @license			http://phamlp.googlecode.com/files/license.txt
 * @package			PHamlP
 * @subpackage	Sass.tree
 */

/**
 * SassDirectiveNode class.
 * Represents a CSS directive.
 * @package			PHamlP
 * @subpackage	Sass.tree
 */
class SassDirectiveNode extends SassNode {
  const NODE_IDENTIFIER = '@';
  const MATCH = '/^(@[\\w-]+)/';

  /**
   * SassDirectiveNode.
   * @param object source token
   * @return SassDirectiveNode
   */
  public function __construct($token) {
    parent::__construct($token);
  }
  protected function getDirective() {
    preg_match('/^(@[\\w-]+)(?:\\s*(\\w+))*/', $this->token->source, $matches);
    array_shift($matches);
    $parts = implode(' ', $matches);
    return strtolower($parts);
  }

  /**
   * Parse this node.
   * @param SassContext the context in which this node is parsed
   * @return array the parsed node
   */
  public function parse($context) {
    $this->children = $this
      ->parseChildren($context);
    return array(
      $this,
    );
  }

  /**
   * Render this node.
   * @return string the rendered node
   */
  public function render() {
    $properties = array();
    foreach ($this->children as $child) {
      $properties[] = $child
        ->render();
    }

    // foreach
    return $this->renderer
      ->renderDirective($this, $properties);
  }

  /**
   * Returns a value indicating if the token represents this type of node.
   * @param object token
   * @return boolean true if the token represents this type of node, false if not
   */
  public static function isa($token) {
    return $token->source[0] === self::NODE_IDENTIFIER;
  }

  /**
   * Returns the directive
   * @param object token
   * @return string the directive
   */
  public static function extractDirective($token) {
    preg_match(self::MATCH, $token->source, $matches);
    return strtolower($matches[1]);
  }

}

Classes

Name	Description
SassDirectiveNode	SassDirectiveNode class. Represents a CSS directive. @package PHamlP @subpackage Sass.tree