SassImportNode.php in Sassy 7.3

File

phpsass/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, '\'"');
        $files = SassFile::get_file($file, $this->parser, TRUE);
        $tree = array();
        if ($files) {
          $tree = SassFile::get_tree(array_shift($files), $this->parser);
          foreach ($files as $file) {
            $file = SassFile::get_tree($file, $this->parser);
            foreach ($file
              ->getChildren() as $child) {
              $tree
                ->addChild($child);
            }
          }
        }
        if (!empty($tree)) {
          $imported = array_merge($imported, $tree
            ->parse($context)->children);
        }
      }
    }
    return $imported;
  }

}

Classes

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