111 lines
2.9 KiB
PHP
111 lines
2.9 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\Template;
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use Leafo\ScssPhp\Compiler;
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use Leafo\ScssPhp\Exception\ParserException;
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class SCSSCacher {
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protected $root;
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protected $file;
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protected $fileName;
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protected $fileLoc;
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protected $fileCache;
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protected $rootCssLoc;
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/** Cache folder from serverroot */
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private $scssCache = "assets";
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/** @var \OCP\ILogger */
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protected $logger;
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/**
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* @param \OCP\ILogger $logger
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* @param string $root
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* @param string $file
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*/
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public function __construct(\OCP\ILogger $logger, $root, $file) {
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$this->logger = $logger;
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$this->root = $root;
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$this->file = explode('/', $root.'/'.$file);
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$this->fileName = array_pop($this->file);
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$this->fileLoc = implode('/', $this->file);
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$this->fileCache = str_replace('.scss', '.css', $this->scssCache.'/'.$this->fileName);
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// base uri to css file
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$this->rootCssLoc = explode('/', $file);
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array_pop($this->rootCssLoc);
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$this->rootCssLoc = implode('/', $this->rootCssLoc);
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}
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public function process() {
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if($this->is_cached($this->root.'/'.$this->fileCache, $this->fileLoc.'/'.$this->fileName)) {
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return true;
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} else {
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return $this->cache();
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}
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return false;
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}
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private function is_cached($in, $out) {
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if (! is_file($out) || filemtime($in) > filemtime($out)) {
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return true;
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}
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return false;
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}
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private function cache() {
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$scss = new Compiler();
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$scss->setImportPaths($this->fileLoc);
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if(\OC::$server->getSystemConfig()->getValue('debug')) {
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// Debug mode
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$scss->setFormatter('Leafo\ScssPhp\Formatter\Expanded');
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$scss->setLineNumberStyle(Compiler::LINE_COMMENTS);
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} else {
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$scss->setFormatter('Leafo\ScssPhp\Formatter\Crunched');
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}
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try {
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$compiledScss = $scss->compile('@import "'.$this->fileName.'";');
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} catch(ParserException $e) {
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$this->logger->error($e, ['app' => 'SCSSPHP']);
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return false;
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}
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return file_put_contents($this->fileCache, $this->rebaseUrls($compiledScss));
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}
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private function rebaseUrls($css) {
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$re = '/url\([\'"](.*)[\'"]\)/x';
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$subst = 'url(\'../'.$this->rootCssLoc.'/$1\')';
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return preg_replace($re, $subst, $css);
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}
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public function getCachedSCSS() {
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return $this->fileCache;
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}
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}
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