/** * * CSS Crush * Extensible CSS preprocessor * * @version 1.4.1 * @license http://www.opensource.org/licenses/mit-license.php (MIT) * @copyright Copyright 2010-2012 Pete Boere * * * <?php * * // Basic usage * require_once 'CssCrush.php'; * $global_css = CssCrush::file( '/css/global.css' ); * * ?> * * <link rel="stylesheet" href="<?php echo $global_css; ?>" /> * */ require_once 'lib/Util.php'; require_once 'lib/Core.php'; CssCrush::init(dirname(__FILE__)); require_once 'lib/Rule.php'; require_once 'lib/Function.php'; CssCrush_Function::init(); require_once 'lib/Importer.php'; require_once 'lib/Color.php'; require_once 'lib/Hook.php';
protected static function compile($stream)
{
$regex = self::$regex;
// Reset properties for current process
self::$tokenUID = 0;
self::$storage = new stdClass();
self::$storage->tokens = (object) array('strings' => array(), 'comments' => array(), 'rules' => array(), 'parens' => array());
self::$storage->variables = array();
// Load in aliases and macros
if (!self::$assetsLoaded) {
self::loadAssets();
self::$assetsLoaded = true;
}
// Set the custom function regular expression
$css_functions = CssCrush_Function::getFunctions();
$regex->function->custom = str_replace('<functions>', implode('|', $css_functions), $regex->function->custom);
// Extract comments
$stream = preg_replace_callback($regex->comment, array('self', 'cb_extractComments'), $stream);
// Extract strings
$stream = preg_replace_callback($regex->string, array('self', 'cb_extractStrings'), $stream);
// Parse variables
$stream = preg_replace_callback($regex->variables, array('self', 'cb_extractVariables'), $stream);
// Calculate the variable stack
self::calculateVariables();
self::log(self::$storage->variables);
// Place the variables
$stream = self::placeVariables($stream);
// Normalize whitespace
$stream = self::normalize($stream);
// Adjust the stream so we can extract the rules cleanly
$map = array('@' => "\n@", '}' => "}\n", '{' => "{\n", ';' => ";\n");
$stream = "\n" . str_replace(array_keys($map), array_values($map), $stream);
// Extract rules
$stream = preg_replace_callback($regex->rule, array('self', 'cb_extractRules'), $stream);
// Alias at-rules (if there are any)
$stream = self::aliasAtRules($stream);
// print it all back
$stream = self::display($stream);
// self::log( self::$storage->tokens->rules );
// self::log( self::$storage->tokens );
self::log(self::$config->data);
// Release memory
self::$storage = null;
return $stream;
}