SassRootNode.php in Sassy 7

File

phamlp/sass/tree/SassRootNode.php

<?php

/* SVN FILE: $Id$ */

/**
 * SassRootNode 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
 */
require_once dirname(__FILE__) . '/../script/SassScriptParser.php';
require_once dirname(__FILE__) . '/../renderers/SassRenderer.php';

/**
 * SassRootNode class.
 * Also the root node of a document.
 * @package			PHamlP
 * @subpackage	Sass.tree
 */
class SassRootNode extends SassNode {

  /**
   * @var SassScriptParser SassScript parser
   */
  protected $script;

  /**
   * @var SassRenderer the renderer for this node
   */
  protected $renderer;

  /**
   * @var SassParser
   */
  protected $parser;

  /**
   * @var array extenders for this tree in the form extendee=>extender
   */
  protected $extenders = array();

  /**
   * Root SassNode constructor.
   * @param SassParser Sass parser
   * @return SassNode
   */
  public function __construct($parser) {
    parent::__construct((object) array(
      'source' => '',
      'level' => -1,
      'filename' => $parser->filename,
      'line' => 0,
    ));
    $this->parser = $parser;
    $this->script = new SassScriptParser();
    $this->renderer = SassRenderer::getRenderer($parser->style);
    $this->root = $this;
  }

  /**
   * Parses this node and its children into the render tree.
   * Dynamic nodes are evaluated, files imported, etc.
   * Only static nodes for rendering are in the resulting tree.
   * @param SassContext the context in which this node is parsed
   * @return SassNode root node of the render tree
   */
  public function parse($context) {
    $node = clone $this;
    $node->children = $this
      ->parseChildren($context);
    return $node;
  }

  /**
   * Render this node.
   * @return string the rendered node
   */
  public function render() {
    $node = $this
      ->parse(new SassContext());
    $output = '';
    foreach ($node->children as $child) {
      $output .= $child
        ->render();
    }

    // foreach
    return $output;
  }
  public function extend($extendee, $selectors) {
    $this->extenders[$extendee] = isset($this->extenders[$extendee]) ? array_merge($this->extenders[$extendee], $selectors) : $selectors;
  }
  public function getExtenders() {
    return $this->extenders;
  }

  /**
   * Returns a value indicating if the line represents this type of node.
   * Child classes must override this method.
   * @throws SassNodeException if not overriden
   */
  public static function isa($line) {
    throw new SassNodeException('Child classes must override this method');
  }

}

Classes

Name	Description
SassRootNode	SassRootNode class. Also the root node of a document. @package PHamlP @subpackage Sass.tree