84 lines
2.8 KiB
PHP
84 lines
2.8 KiB
PHP
<?php
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/**
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* System - PHP Framework
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*
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* PHP Version 5.6
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*
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* @copyright 2016 Ulf Gebhardt (http://www.webcraft-media.de)
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link https://github.com/webcraftmedia/system
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* @package SYSTEM\CACHE
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*/
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namespace SYSTEM\CACHE;
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/**
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* CSS Cache Class provided by System for caching CSS in the Database.
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*/
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class cache_css {
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/** int Cache ID for CSS cache */
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const CACHE_CSS = 10;
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/**
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* Put Data into the Cache
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*
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* @param sha1 $ident String Identifier for the cached Content
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* @param int $data Data to cache
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* @return mixed Returns the cached Cache Content or NULL
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*/
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public static function put($ident,$data){
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return \SYSTEM\CACHE\cache::put(self::CACHE_CSS, $ident, 'CSS', $data);}
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/**
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* Get Data from Cache
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*
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* @param sha1 $ident String Identifier for the cached Content
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* @param bool $header Send Header
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* @return mixed Returns the requested Cache Content or NULL
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*/
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public static function get($ident,$header = false){
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return \SYSTEM\CACHE\cache::get(self::CACHE_CSS, $ident,$header);}
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/**
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* Calculate Ident for a list of Files
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*
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* @param array $files List of Files to be cached into one Cacheentry
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* @return sha1 Returns the requested Ident
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*/
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public static function ident($files){
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$ident = '';
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foreach($files as $f){
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if(!file_exists($f->SERVERPATH())){
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throw new \SYSTEM\LOG\ERROR('Could not find file: '.$f->SERVERPATH());}
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$ident .= $f->SERVERPATH().';'.filemtime($f->SERVERPATH()).';';}
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return sha1($ident);
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}
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/**
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* Minify CSS and calculate URL from it
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*
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* @param array $files List of Files to be cached into one Cacheentry
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* @return url Returns the requested Cache-URL
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*/
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public static function minify($files){
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$ident = self::ident($files);
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if(!\SYSTEM\CACHE\cache_css::get($ident)){
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\LIB\lib_minify::php();
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\LIB\lib_scssphp::php();
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$minifier = new \MatthiasMullie\Minify\CSS();
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$sccs = new \Leafo\ScssPhp\Compiler();
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foreach($files as $f){
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// Determin CSS/SCSS based on file extension
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$path = $f->SERVERPATH();
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$tmp = explode(".", $path); //rediculus
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if(strtolower(end($tmp)) == 'scss'){
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// Compile SCSS
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$minifier->add($sccs->compile(file_get_contents($path)));
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} else {
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// Normal CSS
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$minifier->add($path);
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}
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}
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\SYSTEM\CACHE\cache_css::put($ident, $minifier->minify());}
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return './cache/'.self::CACHE_CSS.'/'.$ident;
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}
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} |