diff options
author | patdenice <patdenice@piwigo.org> | 2010-03-17 15:27:14 +0000 |
---|---|---|
committer | patdenice <patdenice@piwigo.org> | 2010-03-17 15:27:14 +0000 |
commit | 3c10b3da9feaf945c68f4c698bf0e341b0e8e557 (patch) | |
tree | 83d304a4d703875e67a26a3598594efcad3bd488 /plugins/LocalFilesEditor/editarea/edit_area_compressor.php | |
parent | 595a87ac7e5aa7fad3260849be0a9f11edd665fe (diff) |
[LocalFiles Editor]
Update editarea to 0.8.2.
Remove CSS tab.
Fix jQuery path.
git-svn-id: http://piwigo.org/svn/trunk@5160 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r-- | plugins/LocalFilesEditor/editarea/edit_area_compressor.php | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/plugins/LocalFilesEditor/editarea/edit_area_compressor.php b/plugins/LocalFilesEditor/editarea/edit_area_compressor.php new file mode 100644 index 000000000..518e1b7bc --- /dev/null +++ b/plugins/LocalFilesEditor/editarea/edit_area_compressor.php @@ -0,0 +1,428 @@ +<?php
+ /******
+ *
+ * EditArea PHP compressor
+ * Developped by Christophe Dolivet
+ * Released under LGPL, Apache and BSD licenses
+ * v1.1.3 (2007/01/18)
+ *
+ ******/
+
+ // CONFIG
+ $param['cache_duration']= 3600 * 24 * 10; // 10 days util client cache expires
+ $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)
+ $param['debug'] = false; // Enable this option if you need debuging info
+ $param['use_disk_cache']= true; // If you enable this option gzip files will be cached on disk.
+ $param['use_gzip']= true; // Enable gzip compression
+ // END CONFIG
+
+ $compressor= new Compressor($param);
+
+ class Compressor{
+
+
+ function compressor($param)
+ {
+ $this->__construct($param);
+ }
+
+ function __construct($param)
+ {
+ $this->start_time= $this->get_microtime();
+ $this->file_loaded_size=0;
+ $this->param= $param;
+ $this->script_list="";
+ $this->path= dirname(__FILE__)."/";
+ if(isset($_GET['plugins'])){
+ $this->load_all_plugins= true;
+ $this->full_cache_file= $this->path."edit_area_full_with_plugins.js";
+ $this->gzip_cache_file= $this->path."edit_area_full_with_plugins.gz";
+ }else{
+ $this->load_all_plugins= false;
+ $this->full_cache_file= $this->path."edit_area_full.js";
+ $this->gzip_cache_file= $this->path."edit_area_full.gz";
+ }
+
+ $this->check_gzip_use();
+ $this->send_headers();
+ $this->check_cache();
+ $this->load_files();
+ $this->send_datas();
+ }
+
+ function send_headers()
+ {
+ header("Content-type: text/javascript; charset: UTF-8");
+ header("Vary: Accept-Encoding"); // Handle proxies
+ header(sprintf("Expires: %s GMT", gmdate("D, d M Y H:i:s", time() + $this->param['cache_duration'])) );
+ if($this->use_gzip)
+ header("Content-Encoding: ".$this->gzip_enc_header);
+ }
+
+ function check_gzip_use()
+ {
+ $encodings = array();
+ $desactivate_gzip=false;
+
+ if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
+ $encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING'])));
+
+ // desactivate gzip for IE version < 7
+ if(preg_match("/(?:msie )([0-9.]+)/i", $_SERVER['HTTP_USER_AGENT'], $ie))
+ {
+ if($ie[1]<7)
+ $desactivate_gzip=true;
+ }
+
+ // Check for gzip header or northon internet securities
+ if (!$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')) {
+ $this->gzip_enc_header= in_array('x-gzip', $encodings) ? "x-gzip" : "gzip";
+ $this->use_gzip=true;
+ $this->cache_file=$this->gzip_cache_file;
+ }else{
+ $this->use_gzip=false;
+ $this->cache_file=$this->full_cache_file;
+ }
+ }
+
+ function check_cache()
+ {
+ // Only gzip the contents if clients and server support it
+ if (file_exists($this->cache_file)) {
+ // check if cache file must be updated
+ $cache_date=0;
+ if ($dir = opendir($this->path)) {
+ while (($file = readdir($dir)) !== false) {
+ if(is_file($this->path.$file) && $file!="." && $file!="..")
+ $cache_date= max($cache_date, filemtime($this->path.$file));
+ }
+ closedir($dir);
+ }
+ if($this->load_all_plugins){
+ $plug_path= $this->path."plugins/";
+ if (($dir = @opendir($plug_path)) !== false)
+ {
+ while (($file = readdir($dir)) !== false)
+ {
+ if ($file !== "." && $file !== "..")
+ {
+ if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js"))
+ $cache_date= max($cache_date, filemtime("plugins/".$file."/".$file.".js"));
+ }
+ }
+ closedir($dir);
+ }
+ }
+
+ if(filemtime($this->cache_file) >= $cache_date){
+ // if cache file is up to date
+ $last_modified = gmdate("D, d M Y H:i:s",filemtime($this->cache_file))." GMT";
+ if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && strcasecmp($_SERVER["HTTP_IF_MODIFIED_SINCE"], $last_modified) === 0)
+ {
+ header("HTTP/1.1 304 Not Modified");
+ header("Last-modified: ".$last_modified);
+ header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache
+ header("Pragma:"); // Tells HTTP 1.0 clients to cache
+ }
+ else
+ {
+ header("Last-modified: ".$last_modified);
+ header("Cache-Control: Public"); // Tells HTTP 1.1 clients to cache
+ header("Pragma:"); // Tells HTTP 1.0 clients to cache
+ header('Content-Length: '.filesize($this->cache_file));
+ echo file_get_contents($this->cache_file);
+ }
+ die;
+ }
+ }
+ return false;
+ }
+
+ function load_files()
+ {
+ $loader= $this->get_content("edit_area_loader.js")."\n";
+
+ // get the list of other files to load
+ $loader= preg_replace("/(t\.scripts_to_load=\s*)\[([^\]]*)\];/e"
+ , "\$this->replace_scripts('script_list', '\\1', '\\2')"
+ , $loader);
+
+ $loader= preg_replace("/(t\.sub_scripts_to_load=\s*)\[([^\]]*)\];/e"
+ , "\$this->replace_scripts('sub_script_list', '\\1', '\\2')"
+ , $loader);
+
+ // replace languages names
+ $reg_path= $this->path."reg_syntax/";
+ $a_displayName = array();
+ if (($dir = @opendir($reg_path)) !== false)
+ {
+ while (($file = readdir($dir)) !== false)
+ {
+ if( $file !== "." && $file !== ".." && ( $pos = strpos( $file, '.js' ) ) !== false )
+ {
+ $jsContent = $this->file_get_contents( $reg_path.$file );
+ if( preg_match( '@(\'|")DISPLAY_NAME\1\s*:\s*(\'|")(.*)\2@', $jsContent, $match ) )
+ {
+ $a_displayName[] = "'". substr( $file, 0, $pos ) ."':'". htmlspecialchars( $match[3], ENT_QUOTES ) ."'";
+ }
+ }
+ }
+ closedir($dir);
+ }
+ $loader = str_replace( '/*syntax_display_name_AUTO-FILL-BY-COMPRESSOR*/', implode( ",", $a_displayName ), $loader );
+
+ $this->datas= $loader;
+ $this->compress_javascript($this->datas);
+
+ // load other scripts needed for the loader
+ preg_match_all('/"([^"]*)"/', $this->script_list, $match);
+ foreach($match[1] as $key => $value)
+ {
+ $content= $this->get_content(preg_replace("/\\|\//i", "", $value).".js");
+ $this->compress_javascript($content);
+ $this->datas.= $content."\n";
+ }
+ //$this->datas);
+ //$this->datas= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $this->datas);
+
+ // improved compression step 1/2
+ $this->datas= preg_replace(array("/(\b)EditAreaLoader(\b)/", "/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/"), array("EAL", "eAL", "eAs"), $this->datas);
+ //$this->datas= str_replace(array("EditAreaLoader", "editAreaLoader", "editAreas"), array("EAL", "eAL", "eAs"), $this->datas);
+ $this->datas.= "var editAreaLoader= eAL;var editAreas=eAs;EditAreaLoader=EAL;";
+
+ // load sub scripts
+ $sub_scripts="";
+ $sub_scripts_list= array();
+ preg_match_all('/"([^"]*)"/', $this->sub_script_list, $match);
+ foreach($match[1] as $value){
+ $sub_scripts_list[]= preg_replace("/\\|\//i", "", $value).".js";
+ }
+
+ if($this->load_all_plugins){
+ // load plugins scripts
+ $plug_path= $this->path."plugins/";
+ if (($dir = @opendir($plug_path)) !== false)
+ {
+ while (($file = readdir($dir)) !== false)
+ {
+ if ($file !== "." && $file !== "..")
+ {
+ if(is_dir($plug_path.$file) && file_exists($plug_path.$file."/".$file.".js"))
+ $sub_scripts_list[]= "plugins/".$file."/".$file.".js";
+ }
+ }
+ closedir($dir);
+ }
+ }
+
+ foreach($sub_scripts_list as $value){
+ $sub_scripts.= $this->get_javascript_content($value);
+ }
+ // improved compression step 2/2
+ $sub_scripts= preg_replace(array("/(\b)editAreaLoader(\b)/", "/(\b)editAreas(\b)/", "/(\b)editArea(\b)/", "/(\b)EditArea(\b)/"), array("eAL", "eAs", "eA", "EA"), $sub_scripts);
+ // $sub_scripts= str_replace(array("editAreaLoader", "editAreas", "editArea", "EditArea"), array("eAL", "eAs", "eA", "EA"), $sub_scripts);
+ $sub_scripts.= "var editArea= eA;EditArea=EA;";
+
+
+ // add the scripts
+ // $this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\";\n", $sub_scripts);
+
+
+ // add the script and use a last compression
+ if( $this->param['compress'] )
+ {
+ $last_comp = array( 'Á' => 'this',
+ 'Â' => 'textarea',
+ 'Ã' => 'function',
+ 'Ä' => 'prototype',
+ 'Å' => 'settings',
+ 'Æ' => 'length',
+ 'Ç' => 'style',
+ 'È' => 'parent',
+ 'É' => 'last_selection',
+ 'Ê' => 'value',
+ 'Ë' => 'true',
+ 'Ì' => 'false'
+ /*,
+ 'Î' => '"',
+ 'Ï' => "\n",
+ 'À' => "\r"*/);
+ }
+ else
+ {
+ $last_comp = array();
+ }
+
+ $js_replace= '';
+ foreach( $last_comp as $key => $val )
+ $js_replace .= ".replace(/". $key ."/g,'". str_replace( array("\n", "\r"), array('\n','\r'), $val ) ."')";
+
+ $this->datas.= sprintf("editAreaLoader.iframe_script= \"<script type='text/javascript'>%s</script>\"%s;\n",
+ str_replace( array_values($last_comp), array_keys($last_comp), $sub_scripts ),
+ $js_replace);
+
+ if($this->load_all_plugins)
+ $this->datas.="editAreaLoader.all_plugins_loaded=true;\n";
+
+
+ // load the template
+ $this->datas.= sprintf("editAreaLoader.template= \"%s\";\n", $this->get_html_content("template.html"));
+ // load the css
+ $this->datas.= sprintf("editAreaLoader.iframe_css= \"<style>%s</style>\";\n", $this->get_css_content("edit_area.css"));
+
+ // $this->datas= "function editArea(){};editArea.prototype.loader= function(){alert('bouhbouh');} var a= new editArea();a.loader();";
+
+ }
+
+ function send_datas()
+ {
+ if($this->param['debug']){
+ $header=sprintf("/* USE PHP COMPRESSION\n");
+ $header.=sprintf("javascript size: based files: %s => PHP COMPRESSION => %s ", $this->file_loaded_size, strlen($this->datas));
+ if($this->use_gzip){
+ $gzip_datas= gzencode($this->datas, 9, FORCE_GZIP);
+ $header.=sprintf("=> GZIP COMPRESSION => %s", strlen($gzip_datas));
+ $ratio = round(100 - strlen($gzip_datas) / $this->file_loaded_size * 100.0);
+ }else{
+ $ratio = round(100 - strlen($this->datas) / $this->file_loaded_size * 100.0);
+ }
+ $header.=sprintf(", reduced by %s%%\n", $ratio);
+ $header.=sprintf("compression time: %s\n", $this->get_microtime()-$this->start_time);
+ $header.=sprintf("%s\n", implode("\n", $this->infos));
+ $header.=sprintf("*/\n");
+ $this->datas= $header.$this->datas;
+ }
+ $mtime= time(); // ensure that the 2 disk files will have the same update time
+ // generate gzip file and cahce it if using disk cache
+ if($this->use_gzip){
+ $this->gzip_datas= gzencode($this->datas, 9, FORCE_GZIP);
+ if($this->param['use_disk_cache'])
+ $this->file_put_contents($this->gzip_cache_file, $this->gzip_datas, $mtime);
+ }
+
+ // generate full js file and cache it if using disk cache
+ if($this->param['use_disk_cache'])
+ $this->file_put_contents($this->full_cache_file, $this->datas, $mtime);
+
+ // generate output
+ if($this->use_gzip)
+ echo $this->gzip_datas;
+ else
+ echo $this->datas;
+
+// die;
+ }
+
+
+ function get_content($end_uri)
+ {
+ $end_uri=preg_replace("/\.\./", "", $end_uri); // Remove any .. (security)
+ $file= $this->path.$end_uri;
+ if(file_exists($file)){
+ $this->infos[]=sprintf("'%s' loaded", $end_uri);
+ /*$fd = fopen($file, 'rb');
+ $content = fread($fd, filesize($file));
+ fclose($fd);
+ return $content;*/
+ return $this->file_get_contents($file);
+ }else{
+ $this->infos[]=sprintf("'%s' not loaded", $end_uri);
+ return "";
+ }
+ }
+
+ function get_javascript_content($end_uri)
+ {
+ $val=$this->get_content($end_uri);
+
+ $this->compress_javascript($val);
+ $this->prepare_string_for_quotes($val);
+ return $val;
+ }
+
+ function compress_javascript(&$code)
+ {
+ if($this->param['compress'])
+ {
+ // remove all comments
+ // (\"(?:[^\"\\]*(?:\\\\)*(?:\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\]*(?:\\\\)*(?:\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))
+ $code= preg_replace("/(\"(?:[^\"\\\\]*(?:\\\\\\\\)*(?:\\\\\"?)?)*(?:\"|$))|(\'(?:[^\'\\\\]*(?:\\\\\\\\)*(?:\\\\\'?)?)*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code);
+ // remove line return, empty line and tabulation
+ $code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code);
+ // add line break before "else" otherwise navigators can't manage to parse the file
+ $code= preg_replace('/(\b(else)\b)/', "\n$1", $code);
+ // remove unnecessary spaces
+ $code= preg_replace('/( |\t|\r)*(;|\{|\}|=|==|\-|\+|,|\(|\)|\|\||&\&|\:)( |\t|\r)*/', "$2", $code);
+ }
+ }
+
+ function get_css_content($end_uri){
+ $code=$this->get_content($end_uri);
+ // remove comments
+ $code= preg_replace("/(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "", $code);
+ // remove spaces
+ $code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', "", $code);
+ // remove spaces
+ $code= preg_replace('/( |\t|\r)?(\:|,|\{|\})( |\t|\r)+/', "$2", $code);
+
+ $this->prepare_string_for_quotes($code);
+ return $code;
+ }
+
+ function get_html_content($end_uri){
+ $code=$this->get_content($end_uri);
+ //$code= preg_replace('/(\"(?:\\\"|[^\"])*(?:\"|$))|' . "(\'(?:\\\'|[^\'])*(?:\'|$))|(?:\/\/(?:.|\r|\t)*?(\n|$))|(?:\/\*(?:.|\n|\r|\t)*?(?:\*\/|$))/s", "$1$2$3", $code);
+ $code= preg_replace('/(( |\t|\r)*\n( |\t)*)+/s', " ", $code);
+ $this->prepare_string_for_quotes($code);
+ return $code;
+ }
+
+ function prepare_string_for_quotes(&$str){
+ // prepare the code to be putted into quotes
+ /*$pattern= array("/(\\\\)?\"/", '/\\\n/' , '/\\\r/' , "/(\r?\n)/");
+ $replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , '\\\n"$1+"');*/
+ $pattern= array("/(\\\\)?\"/", '/\\\n/' , '/\\\r/' , "/(\r?\n)/");
+ if($this->param['compress'])
+ $replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , '\n');
+ else
+ $replace= array('$1$1\\"', '\\\\\\n', '\\\\\\r' , "\\n\"\n+\"");
+ $str= preg_replace($pattern, $replace, $str);
+ }
+
+ function replace_scripts($var, $param1, $param2)
+ {
+ $this->$var=stripslashes($param2);
+ return $param1."[];";
+ }
+
+ /* for php version that have not thoses functions */
+ function file_get_contents($file)
+ {
+ $fd = fopen($file, 'rb');
+ $content = fread($fd, filesize($file));
+ fclose($fd);
+ $this->file_loaded_size+= strlen($content);
+ return $content;
+ }
+
+ function file_put_contents($file, &$content, $mtime=-1)
+ {
+ if($mtime==-1)
+ $mtime=time();
+ $fp = @fopen($file, "wb");
+ if ($fp) {
+ fwrite($fp, $content);
+ fclose($fp);
+ touch($file, $mtime);
+ return true;
+ }
+ return false;
+ }
+
+ function get_microtime()
+ {
+ list($usec, $sec) = explode(" ", microtime());
+ return ((float)$usec + (float)$sec);
+ }
+ }
+?>
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