56 lines
1.4 KiB
PHP
56 lines
1.4 KiB
PHP
<?php
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/**
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* "Singleton"
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*/
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class CSSCache {
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function get() {
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global $__g_css_manager;
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if (!isset($__g_css_manager)) {
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$__g_css_manager = new CSSCache();
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};
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return $__g_css_manager;
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}
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function _getCacheFilename($url) {
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if(!class_exists('G')){
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$realdocuroot = str_replace( '\\', '/', $_SERVER['DOCUMENT_ROOT'] );
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$docuroot = explode( '/', $realdocuroot );
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array_pop( $docuroot );
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$pathhome = implode( '/', $docuroot ) . '/';
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array_pop( $docuroot );
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$pathTrunk = implode( '/', $docuroot ) . '/';
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require_once($pathTrunk.'gulliver/system/class.g.php');
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}
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return CACHE_DIR.G::encryptOld($url).'.css.compiled';
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}
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function _isCached($url) {
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$cache_filename = $this->_getCacheFilename($url);
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return is_readable($cache_filename);
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}
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function _readCached($url) {
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$cache_filename = $this->_getCacheFilename($url);
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return unserialize(file_get_contents($cache_filename));
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}
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function _putCached($url, $css) {
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file_put_contents($this->_getCacheFilename($url), serialize($css));
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}
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function compile($url, $css) {
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if ($this->_isCached($url)) {
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return $this->_readCached($url);
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} else {
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$cssruleset = new CSSRuleset();
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$cssruleset->parse_css($css, new Pipeline());
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$this->_putCached($url, $cssruleset);
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return $cssruleset;
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};
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}
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}
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?>
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