<?php
/* SVN FILE: $Id: css.php 173 2009-01-31 12:51:40Z rajesh_04ag02 $ */
/**
 * Short description for file.
 *
 * Long description for file
 *
 * PHP versions 4 and 5
 *
 * CakePHP(tm) :  Rapid Development Framework (http://www.cakephp.org)
 * Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright     Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
 * @link          http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
 * @package       cake
 * @subpackage    cake.app.webroot
 * @since         CakePHP(tm) v 0.2.9
 * @version       $Revision: 7883 $
 * @modifiedby    $LastChangedBy: mark_story $
 * @lastmodified  $Date: 2008-11-21 09:59:22 +0530 (Fri, 21 Nov 2008) $
 * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
 */
if (!defined('CAKE_CORE_INCLUDE_PATH')) {
    header('HTTP/1.1 404 Not Found');
    exit('File Not Found');
}
/**
 * Enter description here...
 */
if (!class_exists('File')) {
    uses('file');
}
/**
 * Enter description here...
 *
 * @param unknown_type $path
 * @param unknown_type $name
 * @return unknown
 */
function make_clean_css($path, $name) 
{
    App::import('Vendor', 'csspp' . DS . 'csspp');
    $data = file_get_contents($path);
    $csspp = new csspp();
    $output = $csspp->compress($data);
    $ratio = 100-(round(strlen($output) /strlen($data) , 3) *100);
    $output = " /* file: $name, ratio: $ratio% */ " . $output;
    return $output;
}
/**
 * Enter description here...
 *
 * @param unknown_type $path
 * @param unknown_type $content
 * @return unknown
 */
function write_css_cache($path, $content) 
{
    if (!is_dir(dirname($path))) {
        mkdir(dirname($path));
    }
    $cache = new File($path);
    return $cache->write($content);
}
if (preg_match('|\.\.|', $url) || !preg_match('|^ccss/(.+)$|i', $url, $regs)) {
    die('Wrong file name.');
}
$filename = 'css/' . $regs[1];
$filepath = CSS . $regs[1];
$cachepath = CACHE . 'css' . DS . str_replace(array(
    '/',
    '\\'
) , '-', $regs[1]);
if (!file_exists($filepath)) {
    die('Wrong file name.');
}
if (file_exists($cachepath)) {
    $templateModified = filemtime($filepath);
    $cacheModified = filemtime($cachepath);
    if ($templateModified > $cacheModified) {
        $output = make_clean_css($filepath, $filename);
        write_css_cache($cachepath, $output);
    } else {
        $output = file_get_contents($cachepath);
    }
} else {
    $output = make_clean_css($filepath, $filename);
    write_css_cache($cachepath, $output);
    $templateModified = time();
}
header("Date: " . date("D, j M Y G:i:s ", $templateModified) . 'GMT');
header("Content-Type: text/css");
header("Expires: " . gmdate("D, j M Y H:i:s", time() +DAY) . " GMT");
header("Cache-Control: max-age=86400, must-revalidate"); // HTTP/1.1
header("Pragma: cache"); // HTTP/1.0
print $output;
?>