/**
* Process CSS code
*
* Available settings:
* 'less': enable/disable LESS parser
* 'compress': TRUE to remove whispaces and unused chars from output, FALSE to make it more human readable
* 'absolute_path': absolute path to the file
* 'url_path': url path to the file
* 'cache_path': cache folder
* 'data': variables passed to the css parser for use in the LESS code
*
* @param string $css
* @param array $settings
*
* @return string
*/
public static function process($css, array $settings = array())
{
//Load settings
$settings = $settings + self::default_settings();
// 1. Process the file with LESS
if ($settings['less']) {
$less = new Tinyfier_CSS_LESS();
$css = $less->process($css, $settings);
}
// 2. Optimize, compress and add vendor prefixes
$optimizer = new css_optimizer(array('compress' => $settings['compress'], 'optimize' => $settings['optimize'], 'extra_optimize' => $settings['extra_optimize'], 'remove_ie_hacks' => false, 'prefix' => $settings['prefix']));
$css = $optimizer->process($css);
return $css;
}
$cleaner->project_files = explode(PATH_SEPARATOR, $opts['p']);
$cleaner->method = get('m', 'safe') == 'safe' ? css_cleaner::METHOD_SAFE : css_cleaner::METHOD_BEST_CLEAN;
if (has('e')) {
$cleaner->extensions = get('e');
}
if (has('r')) {
$cleaner->report_path = get('r');
}
$cleaner->clean($css_doc);
}
//Optimize
$optimizer = new css_optimizer();
$optimizer->compress = get('c', true);
$optimizer->optimize = get('o', true);
$optimizer->prefixes = get('v', 'webkit,msie,firefox');
$optimizer->process($css_doc);
//Generate output
$out = $css_doc->render($optimizer->compress);
//Save output
if (!($fout = array_shift($argv))) {
echo $out;
} else {
//Show stats
echo 'Optimized in ' . ReadableTime(microtime(true) - $start) . "\n";
echo 'Input size ' . ReadableSize(strlen($data)) . ' (' . ReadableSize(strlen(gzencode($data, 9))) . ' gziped)' . "\n";
$ratio = round(strlen($out) / strlen($data), 2) * 100;
echo 'Output size ' . ReadableSize(strlen($out)) . " ({$ratio}% of original, " . ReadableSize(strlen(gzencode($out, 9))) . ' gziped)' . "\n";
//Save file
file_put_contents($fout, $out);
}
} catch (exception $ex) {
function optimize($css, $settings, &$errors = null)
{
$optimizer = new css_optimizer($settings);
$result = $optimizer->process($css);
//$errors = $optimizer->errors();
return $result;
}
