protected static function compile($stream)
{
$regex = self::$regex;
$options = self::$options;
// Load in aliases and macros
if (!self::$assetsLoaded) {
self::loadAssets();
self::$assetsLoaded = true;
}
// Set aliases. May be pruned if a vendor target is set
self::$aliases = self::$aliasesRaw;
self::pruneAliases();
// Parse variables
$stream = self::extractVariables($stream);
// Calculate the variable stack
self::calculateVariables();
self::log(self::$storage->variables);
// Place the variables
$stream = self::placeVariables($stream);
// Normalize whitespace
$stream = csscrush_util::normalizeWhiteSpace($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);
// Rules
$stream = self::extractAndProcessRules($stream);
// Alias at-rules (if there are any)
$stream = self::aliasAtRules($stream);
// print it all back
$stream = self::display($stream);
// Add in boilerplate
if ($options['boilerplate']) {
$stream = self::getBoilerplate() . "\n{$stream}";
}
self::log(self::$config->data);
// Release memory
self::$storage = null;
return $stream;
}
