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contributions/jcssmanager/behaviour/commands/jcssmanager/yui/compress.base.cmd.php

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<?php
Load::commands('jcssmanager/base/compress.base');

class JCSSManagerCompressBaseYuiCommand extends JCSSManagerCompressBaseCommand {
        /**
         * COmpress given files 
         * 
         * @return Status
         */
        protected function compress($in_files, $out_file, &$files_to_unlink) {
                $ret = new Status();
                if (count($in_files) > 0) {
                        $sourcefile = $this->concat($in_files, $ret);
                        $files_to_unlink[] = $sourcefile;
                        
                        $ret->merge($this->invoke_yui($sourcefile, $out_file));
                }
                
                return $ret;
        }
        
        /**
         * Concat the gicen files into one
         * 
         * @param array $arr_files
         * @param Status $err
         * @return string Created concatenation file
         */
        protected function concat($arr_files, Status $err) {
                $tmp_file = tempnam('/tmp', 'jcss');
                if ($tmp_file === false) {
                        $err->merge('JCSSManager: Could not create tempfile');
                }
                else {
                        $handle = fopen($tmp_file, 'w');
                        foreach($arr_files as $file) {
                                if (substr($file, 0, 1) !== '/') {
                                        $file = Config::get_value(Config::URL_ABSPATH) . $file;
                                }
                                fwrite($handle, $this->get_file_contents($file));
                        }                       
                        fclose($handle);
                }
                return $tmp_file;
        }

        /**
         * Return file content
         * 
         * @param string $file
         * @return string
         */
        protected function get_file_contents($file) {
                return file_get_contents($file);
        }
        
        /**
         * Invoke YUICOmpressor. TO be overloaded
         * 
         * @param string $in_file
         * @param string $out_file
         * @return Status 
         */
        protected function invoke_yui($in_file, $out_file) {
                $ret = new Status();
                return $ret;
        }
        
        /**
         * Invoke YUICOmpressor
         * 
         * @param string $in_file
         * @param string $out_file
         * @param array $yui_options
         * @return Status 
         */
        protected function run_yui($in_file, $out_file, $type) {
                $module_dir = Load::get_module_dir('jcssmanager');
                $yui_cmd = 'java -jar ' . $module_dir . '3rdparty/yuicompressor/yuicompressor.jar';
                
                $yui_options = array();
                $yui_options['--type'] = $type;
                $yui_options['--charset'] = GyroLocale::get_charset();
                $yui_options['--line-break'] = 1000;
                $yui_options['-o'] = $out_file;
                
                $yui_cmd = $yui_cmd . ' ' . Arr::implode(' ', $yui_options, ' ') . ' ' . $in_file;
                
                $output = array();
                $return = 0;
                exec($yui_cmd, $output, $return);

                $ret = new Status();
                if ($return) {
                        $ret->append('JCSSManager: Error running yuicompressor.');
                        $ret->append(implode(' ', $output));
                }
                
                return $ret;            
        } 
}

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