/**
* Returns the parse tree for a file.
* @param string $filename filename to parse
* @param SassParser $parser Sass parser
* @return SassRootNode
*/
public static function get_tree($filename, &$parser)
{
$contents = self::get_file_contents($filename);
$options = array_merge($parser->getOptions(), array('line' => 1));
# attempt at cross-syntax imports.
$ext = substr($filename, strrpos($filename, '.') + 1);
if ($ext == self::SASS || $ext == self::SCSS) {
$options['syntax'] = $ext;
}
$dirName = dirname($filename);
$options['load_paths'][] = $dirName;
if (!in_array($dirName, $parser->load_paths)) {
$parser->load_paths[] = dirname($filename);
}
$sassParser = new SassParser($options);
$tree = $sassParser->parse($contents, FALSE);
return $tree;
}
