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<?php |
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/****** |
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* |
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* EditArea PHP compressor |
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* Developped by Christophe Dolivet |
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* Released under LGPL, Apache and BSD licenses |
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* v1.1.3 (2007/01/18) |
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* |
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******/ |
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// CONFIG |
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$param['cache_duration']= 3600 * 24 * 10; // 10 days util client cache expires |
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$param['compress'] = true; // enable the code compression, should be activated but it can be usefull to desactivate it for easier error retrieving (true or false) |
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$param['debug'] = false; // Enable this option if you need debuging info |
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$param['use_disk_cache']= true; // If you enable this option gzip files will be cached on disk. |
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$param['use_gzip']= true; // Enable gzip compression |
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// END CONFIG |
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$compressor= new Compressor($param); |
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class Compressor{ |
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function compressor($param) |
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{ |
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$this->__construct($param); |
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} |
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function __construct($param) |
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{ |
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$this->start_time= $this->get_microtime(); |
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$this->file_loaded_size=0; |
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$this->param= $param; |
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$this->script_list=""; |
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$this->path= dirname(__FILE__)."/"; |
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if(isset($_GET['plugins'])){ |
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$this->load_all_plugins= true; |
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$this->full_cache_file= $this->path."edit_area_full_with_plugins.js"; |
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$this->gzip_cache_file= $this->path."edit_area_full_with_plugins.gz"; |
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}else{ |
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$this->load_all_plugins= false; |
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$this->full_cache_file= $this->path."edit_area_full.js"; |
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$this->gzip_cache_file= $this->path."edit_area_full.gz"; |
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} |
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$this->check_gzip_use(); |
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$this->send_headers(); |
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$this->check_cache(); |
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$this->load_files(); |
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$this->send_datas(); |
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} |
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function send_headers() |
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{ |
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header("Content-type: text/javascript; charset: UTF-8"); |
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header("Vary: Accept-Encoding"); // Handle proxies |
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header(sprintf("Expires: %s GMT", gmdate("D, d M Y H:i:s", time() + $this->param['cache_duration'])) ); |
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if($this->use_gzip) |
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header("Content-Encoding: ".$this->gzip_enc_header); |
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} |
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function check_gzip_use() |
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{ |
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$encodings = array(); |
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$desactivate_gzip=false; |
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if (isset($_SERVER['HTTP_ACCEPT_ENCODING'])) |
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$encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING']))); |
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// desactivate gzip for IE version < 7 |
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if(preg_match("/(?:msie )([0-9.]+)/i", $_SERVER['HTTP_USER_AGENT'], $ie)) |
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{ |
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if($ie[1]<7) |
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$desactivate_gzip=true; |
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} |
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// Check for gzip header or northon internet securities |
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if (!$desactivate_gzip && $this->param['use_gzip'] && (in_array('gzip', $encodings) || in_array('x-gzip', $encodings) || isset($_SERVER['---------------'])) && function_exists('ob_gzhandler') && !ini_get('zlib.output_compression')) { |
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$this->gzip_enc_header= in_array('x-gzip', $encodings) ? "x-gzip" : "gzip"; |
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$this->use_gzip=true; |
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$this->cache_file=$this->gzip_cache_file; |
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}else{ |
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$this->use_gzip=false; |
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$this->cache_file=$this->full_cache_file; |
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} |
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} |
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function check_cache() |
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{ |
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// Only gzip the contents if clients and server support it |
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if (file_exists($this->cache_file)) { |
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// check if cache file must be updated |
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$cache_date=0; |
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if ($dir = opendir($this->path)) { |
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while (($file = readdir($dir)) !== false) { |
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if(is_file($this->path.$file) && $file!="." && $file!="..") |
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$cache_date= max($cache_date, filemtime($this->path.$file)); |
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} |
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closedir($dir); |
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} |
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if($this->load_all_plugins){ |
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$plug_path= $this->path."plugins/"; |
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if (($dir = @opendir($plug_path)) !== false) |
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{ |
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while (($file = readdir($dir)) !== false) |
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{ |
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if ($file !== "." && $file !== "..") |
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{ |
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if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js")) |
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$cache_date= max($cache_date, filemtime("plugins/".$file."/".$file.".js")); |
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} |
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} |
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closedir($dir); |
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} |
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} |
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if(filemtime($this->cache_file) >= $cache_date){ |
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// if cache file is up to date |
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$last_modified = gmdate("D, d M Y H:i:s",filemtime($this->cache_file))." GMT"; |
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if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && strcasecmp($_SERVER["HTTP_IF_MODIFIED_SINCE"], $last_modified) === 0) |
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{ |
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header("HTTP/1.1 304 Not Modified"); |
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header("Last-modified: ".$last_modified); |
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header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache |
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header("Pragma:"); // Tells HTTP 1.0 clients to cache |
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} |
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else |
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{ |
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header("Last-modified: ".$last_modified); |
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header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache |
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header("Pragma:"); // Tells HTTP 1.0 clients to cache |
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header('Content-Length: '.filesize($this->cache_file)); |
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echo file_get_contents($this->cache_file); |
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} |
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die; |
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} |
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} |
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return false; |
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} |
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function load_files() |
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{ |
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$loader= $this->get_content("edit_area_loader.js")."\n"; |
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// get the list of other files to load |
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$loader= preg_replace("/(t\.scripts_to_load=\s*)\[([^\]]*)\];/e" |
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, "\$this->replace_scripts('script_list', '\\1', '\\2')" |
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, $loader); |
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$loader= preg_replace("/(t\.sub_scripts_to_load=\s*)\[([^\]]*)\];/e" |
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, "\$this->replace_scripts('sub_script_list', '\\1', '\\2')" |
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, $loader); |
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// replace languages names |
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$reg_path= $this->path."reg_syntax/"; |
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$a_displayName = array(); |
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if (($dir = @opendir($reg_path)) !== false) |
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{ |
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while (($file = readdir($dir)) !== false) |
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{ |
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if( $file !== "." && $file !== ".." && ( $pos = strpos( $file, '.js' ) ) !== false ) |
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{ |
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$jsContent = $this->file_get_contents( $reg_path.$file ); |
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if( preg_match( '@(\'|")DISPLAY_NAME\1\s*:\s*(\'|")(.*)\2@', $jsContent, $match ) ) |
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{ |
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$a_displayName[] = "'". substr( $file, 0, $pos ) ."':'". htmlspecialchars( $match[3], ENT_QUOTES ) ."'"; |
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} |
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} |
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} |
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closedir($dir); |
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} |
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$loader = str_replace( '/*syntax_display_name_AUTO-FILL-BY-COMPRESSOR*/', implode( ",", $a_displayName ), $loader ); |
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$this->datas= $loader; |
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$this->compress_javascript($this->datas); |
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// load other scripts needed for the loader |
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preg_match_all('/"([^"]*)"/', $this->script_list, $match); |
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foreach($match[1] as $key => $value) |
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{ |
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$content= $this->get_content(preg_replace("/\\|\//i", "", $value).".js"); |
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$this->compress_javascript($content); |
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$this->datas.= $content."\n"; |
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} |
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//$this->datas); |
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//$this->datas= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $this->datas); |
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// improved compression step 1/2 |
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$this->datas= preg_replace(array("/(\b)EditAreaLoader(\b)/", "/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/"), array("EAL", "eAL", "eAs"), $this->datas); |
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//$this->datas= str_replace(array("EditAreaLoader", "editAreaLoader", "editAreas"), array("EAL", "eAL", "eAs"), $this->datas); |
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$this->datas.= "var editAreaLoader= eAL;var editAreas=eAs;EditAreaLoader=EAL;"; |
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// load sub scripts |
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$sub_scripts=""; |
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$sub_scripts_list= array(); |
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preg_match_all('/"([^"]*)"/', $this->sub_script_list, $match); |
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foreach($match[1] as $value){ |
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$sub_scripts_list[]= preg_replace("/\\|\//i", "", $value).".js"; |
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} |
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if($this->load_all_plugins){ |
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// load plugins scripts |
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$plug_path= $this->path."plugins/"; |
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if (($dir = @opendir($plug_path)) !== false) |
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{ |
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while (($file = readdir($dir)) !== false) |
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{ |
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if ($file !== "." && $file !== "..") |
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{ |
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if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js")) |
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$sub_scripts_list[]= "plugins/".$file."/".$file.".js"; |
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} |
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} |
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closedir($dir); |
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} |
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} |
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foreach($sub_scripts_list as $value){ |
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$sub_scripts.= $this->get_javascript_content($value); |
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} |
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// improved compression step 2/2 |
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$sub_scripts= preg_replace(array("/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/", "/(\b)editArea(\b)/", "/(\b)EditArea(\b)/"), array("eAL", "eAs", "eA", "EA"), $sub_scripts); |
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// $sub_scripts= str_replace(array("editAreaLoader", "editAreas", "editArea", "EditArea"), array("eAL", "eAs", "eA", "EA"), $sub_scripts); |
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$sub_scripts.= "var editArea= eA;EditArea=EA;"; |
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// add the scripts |
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// $this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\";\n", $sub_scripts); |
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// add the script and use a last compression |
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if( $this->param['compress'] ) |
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{ |
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$last_comp = array( 'Á' => 'this', |
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'Â' => 'textarea', |
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'Ã' => 'function', |
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'Ä' => 'prototype', |
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'Å' => 'settings', |
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'Æ' => 'length', |
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'Ç' => 'style', |
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'È' => 'parent', |
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'É' => 'last_selection', |
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'Ê' => 'value', |
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'Ë' => 'true', |
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'Ì' => 'false' |
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/*, |
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'Î' => '"', |
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'Ï' => "\n", |
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'À' => "\r"*/); |
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} |
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else |
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{ |
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$last_comp = array(); |
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} |
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$js_replace= ''; |
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foreach( $last_comp as $key => $val ) |
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$js_replace .= ".replace(/". $key ."/g,'". str_replace( array("\n", "\r"), array('\n','\r'), $val ) ."')"; |
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$this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\"%s;\n", |
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str_replace( array_values($last_comp), array_keys($last_comp), $sub_scripts ), |
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$js_replace); |
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if($this->load_all_plugins) |
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$this->datas.="editAreaLoader.all_plugins_loaded=true;\n"; |
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// load the template |
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$this->datas.= sprintf("editAreaLoader.template= \"%s\";\n", $this->get_html_content("template.html")); |
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// load the css |
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$this->datas.= sprintf("editAreaLoader.iframe_css= \"<style>%s</style>\";\n", $this->get_css_content("edit_area.css")); |
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// $this->datas= "function editArea(){};editArea.prototype.loader= function(){alert('bouhbouh');} var a= new editArea();a.loader();"; |
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} |
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276
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277
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|
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function send_datas() |
|
|
|
|
|
|
278
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|
|
{ |
|
279
|
|
|
if($this->param['debug']){ |
|
280
|
|
|
$header=sprintf("/* USE PHP COMPRESSION\n"); |
|
281
|
|
|
$header.=sprintf("javascript size: based files: %s => PHP COMPRESSION => %s ", $this->file_loaded_size, strlen($this->datas)); |
|
282
|
|
|
if($this->use_gzip){ |
|
283
|
|
|
$gzip_datas= gzencode($this->datas, 9, FORCE_GZIP); |
|
284
|
|
|
$header.=sprintf("=> GZIP COMPRESSION => %s", strlen($gzip_datas)); |
|
285
|
|
|
$ratio = round(100 - strlen($gzip_datas) / $this->file_loaded_size * 100.0); |
|
286
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|
|
}else{ |
|
287
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|
|
$ratio = round(100 - strlen($this->datas) / $this->file_loaded_size * 100.0); |
|
288
|
|
|
} |
|
289
|
|
|
$header.=sprintf(", reduced by %s%%\n", $ratio); |
|
290
|
|
|
$header.=sprintf("compression time: %s\n", $this->get_microtime()-$this->start_time); |
|
291
|
|
|
$header.=sprintf("%s\n", implode("\n", $this->infos)); |
|
292
|
|
|
$header.=sprintf("*/\n"); |
|
293
|
|
|
$this->datas= $header.$this->datas; |
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|
|
|
|
|
294
|
|
|
} |
|
295
|
|
|
$mtime= time(); // ensure that the 2 disk files will have the same update time |
|
296
|
|
|
// generate gzip file and cahce it if using disk cache |
|
297
|
|
|
if($this->use_gzip){ |
|
298
|
|
|
$this->gzip_datas= gzencode($this->datas, 9, FORCE_GZIP); |
|
|
|
|
|
|
299
|
|
|
if($this->param['use_disk_cache']) |
|
300
|
|
|
$this->file_put_contents($this->gzip_cache_file, $this->gzip_datas, $mtime); |
|
301
|
|
|
} |
|
302
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|
|
|
|
303
|
|
|
// generate full js file and cache it if using disk cache |
|
304
|
|
|
if($this->param['use_disk_cache']) |
|
305
|
|
|
$this->file_put_contents($this->full_cache_file, $this->datas, $mtime); |
|
306
|
|
|
|
|
307
|
|
|
// generate output |
|
308
|
|
|
if($this->use_gzip) |
|
309
|
|
|
echo $this->gzip_datas; |
|
310
|
|
|
else |
|
311
|
|
|
echo $this->datas; |
|
312
|
|
|
|
|
313
|
|
|
// die; |
|
314
|
|
|
} |
|
315
|
|
|
|
|
316
|
|
|
|
|
317
|
|
|
function get_content($end_uri) |
|
|
|
|
|
|
318
|
|
|
{ |
|
319
|
|
|
$end_uri=preg_replace("/\.\./", "", $end_uri); // Remove any .. (security) |
|
320
|
|
|
$file= $this->path.$end_uri; |
|
321
|
|
|
if(file_exists($file)){ |
|
322
|
|
|
$this->infos[]=sprintf("'%s' loaded", $end_uri); |
|
|
|
|
|
|
323
|
|
|
/*$fd = fopen($file, 'rb'); |
|
324
|
|
|
$content = fread($fd, filesize($file)); |
|
325
|
|
|
fclose($fd); |
|
326
|
|
|
return $content;*/ |
|
327
|
|
|
return $this->file_get_contents($file); |
|
328
|
|
|
}else{ |
|
329
|
|
|
$this->infos[]=sprintf("'%s' not loaded", $end_uri); |
|
330
|
|
|
return ""; |
|
331
|
|
|
} |
|
332
|
|
|
} |
|
333
|
|
|
|
|
334
|
|
|
function get_javascript_content($end_uri) |
|
|
|
|
|
|
335
|
|
|
{ |
|
336
|
|
|
$val=$this->get_content($end_uri); |
|
337
|
|
|
|
|
338
|
|
|
$this->compress_javascript($val); |
|
339
|
|
|
$this->prepare_string_for_quotes($val); |
|
340
|
|
|
return $val; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
function compress_javascript(&$code) |
|
|
|
|
|
|
344
|
|
|
{ |
|
345
|
|
|
if($this->param['compress']) |
|
346
|
|
|
{ |
|
347
|
|
|
// remove all comments |
|
348
|
|
|
// (\"(?:[^\"\\]*(?:\\\\)*(?:\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\]*(?:\\\\)*(?:\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$)) |
|
349
|
|
|
$code= preg_replace("/(\"(?:[^\"\\\\]*(?:\\\\\\\\)*(?:\\\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\\\]*(?:\\\\\\\\)*(?:\\\\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code); |
|
350
|
|
|
// remove line return, empty line and tabulation |
|
351
|
|
|
$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code); |
|
352
|
|
|
// add line break before "else" otherwise navigators can't manage to parse the file |
|
353
|
|
|
$code= preg_replace('/(\b(else)\b)/', "\n$1", $code); |
|
354
|
|
|
// remove unnecessary spaces |
|
355
|
|
|
$code= preg_replace('/( |\t|\r)*(;|\{|\}|=|==|\-|\+|,|\(|\)|\|\||&\&|\:)( |\t|\r)*/', "$2", $code); |
|
356
|
|
|
} |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
function get_css_content($end_uri){ |
|
|
|
|
|
|
360
|
|
|
$code=$this->get_content($end_uri); |
|
361
|
|
|
// remove comments |
|
362
|
|
|
$code= preg_replace("/(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "", $code); |
|
363
|
|
|
// remove spaces |
|
364
|
|
|
$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $code); |
|
365
|
|
|
// remove spaces |
|
366
|
|
|
$code= preg_replace('/( |\t|\r)?(\:|,|\{|\})( |\t|\r)+/', "$2", $code); |
|
367
|
|
|
|
|
368
|
|
|
$this->prepare_string_for_quotes($code); |
|
369
|
|
|
return $code; |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
function get_html_content($end_uri){ |
|
|
|
|
|
|
373
|
|
|
$code=$this->get_content($end_uri); |
|
374
|
|
|
//$code= preg_replace('/(\"(?:\\\"|[^\"])*(?:\"|$))|' . "(\'(?:\\\'|[^\'])*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code); |
|
375
|
|
|
$code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code); |
|
376
|
|
|
$this->prepare_string_for_quotes($code); |
|
377
|
|
|
return $code; |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
|
|
function prepare_string_for_quotes(&$str){ |
|
|
|
|
|
|
381
|
|
|
// prepare the code to be putted into quotes |
|
382
|
|
|
/*$pattern= array("/(\\\\)?\"/", '/\\\n/' , '/\\\r/' , "/(\r?\n)/"); |
|
383
|
|
|
$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , '\\\n"$1+"');*/ |
|
384
|
|
|
$pattern= array("/(\\\\)?\"/", '/\\\n/' , '/\\\r/' , "/(\r?\n)/"); |
|
385
|
|
|
if($this->param['compress']) |
|
386
|
|
|
$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , '\n'); |
|
387
|
|
|
else |
|
388
|
|
|
$replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , "\\n\"\n+\""); |
|
389
|
|
|
$str= preg_replace($pattern, $replace, $str); |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
function replace_scripts($var, $param1, $param2) |
|
|
|
|
|
|
393
|
|
|
{ |
|
394
|
|
|
$this->$var=stripslashes($param2); |
|
395
|
|
|
return $param1."[];"; |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/* for php version that have not thoses functions */ |
|
399
|
|
|
function file_get_contents($file) |
|
|
|
|
|
|
400
|
|
|
{ |
|
401
|
|
|
$fd = fopen($file, 'rb'); |
|
402
|
|
|
$content = fread($fd, filesize($file)); |
|
|
|
|
|
|
403
|
|
|
fclose($fd); |
|
|
|
|
|
|
404
|
|
|
$this->file_loaded_size+= strlen($content); |
|
405
|
|
|
return $content; |
|
406
|
|
|
} |
|
407
|
|
|
|
|
408
|
|
|
function file_put_contents($file, &$content, $mtime=-1) |
|
|
|
|
|
|
409
|
|
|
{ |
|
410
|
|
|
if($mtime==-1) |
|
411
|
|
|
$mtime=time(); |
|
412
|
|
|
$fp = @fopen($file, "wb"); |
|
413
|
|
|
if ($fp) { |
|
|
|
|
|
|
414
|
|
|
fwrite($fp, $content); |
|
415
|
|
|
fclose($fp); |
|
416
|
|
|
touch($file, $mtime); |
|
417
|
|
|
return true; |
|
418
|
|
|
} |
|
419
|
|
|
return false; |
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
function get_microtime() |
|
|
|
|
|
|
423
|
|
|
{ |
|
424
|
|
|
list($usec, $sec) = explode(" ", microtime()); |
|
425
|
|
|
return ((float)$usec + (float)$sec); |
|
426
|
|
|
} |
|
427
|
|
|
} |
|
428
|
|
|
?> |
|
|
|
|
|
|
429
|
|
|
|
crocodic-studio /
crudbooster
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.