SassImportNode.php in Sassy 7

File

phamlp/sass/tree/SassImportNode.php

<?php

/* SVN FILE: $Id$ */

/**
 * SassImportNode 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
 */

/**
 * SassImportNode class.
 * Represents a CSS Import.
 * @package			PHamlP
 * @subpackage	Sass.tree
 */
class SassImportNode extends SassNode {
  const IDENTIFIER = '@';
  const MATCH = '/^@import\\s+(.+)/i';
  const MATCH_CSS = '/^(.+\\.css|url\\(.+\\)|.+" \\w+|"http)/im';
  const FILES = 1;

  /**
   * @var array files to import
   */
  private $files = array();

  /**
   * SassImportNode.
   * @param object source token
   * @return SassImportNode
   */
  public function __construct($token) {
    parent::__construct($token);
    preg_match(self::MATCH, $token->source, $matches);
    foreach (explode(',', $matches[self::FILES]) as $file) {
      $this->files[] = trim($file);
    }
  }

  /**
   * Parse this node.
   * If the node is a CSS import return the CSS import rule.
   * Else returns the rendered tree for the file.
   * @param SassContext the context in which this node is parsed
   * @return array the parsed node
   */
  public function parse($context) {
    $imported = array();
    foreach ($this->files as $file) {
      if (preg_match(self::MATCH_CSS, $file)) {
        return "@import {$file}";
      }
      else {
        $file = trim($file, '\'"');
        $tree = SassFile::getTree(SassFile::getFile($file, $this->parser), $this->parser);
        if (empty($tree)) {
          throw new SassImportNodeException('Unable to create document tree for {file}', array(
            '{file}' => $file,
          ), $this);
        }
        else {
          $imported = array_merge($imported, $tree
            ->parse($context)->children);
        }
      }
    }
    return $imported;
  }

}

Classes

Name	Description
SassImportNode	SassImportNode class. Represents a CSS Import. @package PHamlP @subpackage Sass.tree