/lib/exe/js.php
PHP | 378 lines | 267 code | 35 blank | 76 comment | 38 complexity | 0da4571ea68da911937667ac1d195d8f MD5 | raw file
- <?php
- /**
- * DokuWiki JavaScript creator
- *
- * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
- if(!defined('NOSESSION')) define('NOSESSION',true); // we do not use a session or authentication here (better caching)
- if(!defined('NL')) define('NL',"\n");
- if(!defined('DOKU_DISABLE_GZIP_OUTPUT')) define('DOKU_DISABLE_GZIP_OUTPUT',1); // we gzip ourself here
- require_once(DOKU_INC.'inc/init.php');
- // Main (don't run when UNIT test)
- if(!defined('SIMPLE_TEST')){
- header('Content-Type: text/javascript; charset=utf-8');
- js_out();
- }
- // ---------------------- functions ------------------------------
- /**
- * Output all needed JavaScript
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function js_out(){
- global $conf;
- global $lang;
- global $config_cascade;
- // The generated script depends on some dynamic options
- $cache = new cache('scripts'.$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'],'.js');
- $cache->_event = 'JS_CACHE_USE';
- // load minified version for some files
- $min = $conf['compress'] ? '.min' : '';
- // array of core files
- $files = array(
- DOKU_INC."lib/scripts/jquery/jquery$min.js",
- DOKU_INC.'lib/scripts/jquery/jquery.cookie.js',
- DOKU_INC."lib/scripts/jquery/jquery-ui$min.js",
- DOKU_INC."lib/scripts/jquery/jquery-migrate$min.js",
- DOKU_INC."lib/scripts/fileuploader.js",
- DOKU_INC."lib/scripts/fileuploaderextended.js",
- DOKU_INC.'lib/scripts/helpers.js',
- DOKU_INC.'lib/scripts/delay.js',
- DOKU_INC.'lib/scripts/cookie.js',
- DOKU_INC.'lib/scripts/script.js',
- DOKU_INC.'lib/scripts/tw-sack.js',
- DOKU_INC.'lib/scripts/qsearch.js',
- DOKU_INC.'lib/scripts/tree.js',
- DOKU_INC.'lib/scripts/index.js',
- DOKU_INC.'lib/scripts/drag.js',
- DOKU_INC.'lib/scripts/textselection.js',
- DOKU_INC.'lib/scripts/toolbar.js',
- DOKU_INC.'lib/scripts/edit.js',
- DOKU_INC.'lib/scripts/editor.js',
- DOKU_INC.'lib/scripts/locktimer.js',
- DOKU_INC.'lib/scripts/linkwiz.js',
- DOKU_INC.'lib/scripts/media.js',
- # deprecated DOKU_INC.'lib/scripts/compatibility.js',
- # disabled for FS#1958 DOKU_INC.'lib/scripts/hotkeys.js',
- DOKU_INC.'lib/scripts/behaviour.js',
- DOKU_INC.'lib/scripts/page.js',
- tpl_incdir().'script.js',
- );
- // add possible plugin scripts and userscript
- $files = array_merge($files,js_pluginscripts());
- if(isset($config_cascade['userscript']['default'])){
- $files[] = $config_cascade['userscript']['default'];
- }
- $cache_files = array_merge($files, getConfigFiles('main'));
- $cache_files[] = __FILE__;
- // check cache age & handle conditional request
- // This may exit if a cache can be used
- $cache_ok = $cache->useCache(array('files' => $cache_files));
- http_cached($cache->cache, $cache_ok);
- // start output buffering and build the script
- ob_start();
- // add some global variables
- print "var DOKU_BASE = '".DOKU_BASE."';";
- print "var DOKU_TPL = '".tpl_basedir()."';";
- // FIXME: Move those to JSINFO
- print "var DOKU_UHN = ".((int) useHeading('navigation')).";";
- print "var DOKU_UHC = ".((int) useHeading('content')).";";
- // load JS specific translations
- $json = new JSON();
- $lang['js']['plugins'] = js_pluginstrings();
- echo 'LANG = '.$json->encode($lang['js']).";\n";
- // load toolbar
- toolbar_JSdefines('toolbar');
- // load files
- foreach($files as $file){
- $ismin = (substr($file,-7) == '.min.js');
- echo "\n\n/* XXXXXXXXXX begin of ".str_replace(DOKU_INC, '', $file) ." XXXXXXXXXX */\n\n";
- if($ismin) echo "\n/* BEGIN NOCOMPRESS */\n";
- js_load($file);
- if($ismin) echo "\n/* END NOCOMPRESS */\n";
- echo "\n\n/* XXXXXXXXXX end of " . str_replace(DOKU_INC, '', $file) . " XXXXXXXXXX */\n\n";
- }
- // init stuff
- if($conf['locktime'] != 0){
- js_runonstart("dw_locktimer.init(".($conf['locktime'] - 60).",".$conf['usedraft'].")");
- }
- // init hotkeys - must have been done after init of toolbar
- # disabled for FS#1958 js_runonstart('initializeHotkeys()');
- // end output buffering and get contents
- $js = ob_get_contents();
- ob_end_clean();
- // compress whitespace and comments
- if($conf['compress']){
- $js = js_compress($js);
- }
- $js .= "\n"; // https://bugzilla.mozilla.org/show_bug.cgi?id=316033
- http_cached_finish($cache->cache, $js);
- }
- /**
- * Load the given file, handle include calls and print it
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function js_load($file){
- if(!@file_exists($file)) return;
- static $loaded = array();
- $data = io_readFile($file);
- while(preg_match('#/\*\s*DOKUWIKI:include(_once)?\s+([\w\.\-_/]+)\s*\*/#',$data,$match)){
- $ifile = $match[2];
- // is it a include_once?
- if($match[1]){
- $base = utf8_basename($ifile);
- if($loaded[$base]) continue;
- $loaded[$base] = true;
- }
- if($ifile{0} != '/') $ifile = dirname($file).'/'.$ifile;
- if(@file_exists($ifile)){
- $idata = io_readFile($ifile);
- }else{
- $idata = '';
- }
- $data = str_replace($match[0],$idata,$data);
- }
- echo "$data\n";
- }
- /**
- * Returns a list of possible Plugin Scripts (no existance check here)
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function js_pluginscripts(){
- $list = array();
- $plugins = plugin_list();
- foreach ($plugins as $p){
- $list[] = DOKU_PLUGIN."$p/script.js";
- }
- return $list;
- }
- /**
- * Return an two-dimensional array with strings from the language file of each plugin.
- *
- * - $lang['js'] must be an array.
- * - Nothing is returned for plugins without an entry for $lang['js']
- *
- * @author Gabriel Birke <birke@d-scribe.de>
- */
- function js_pluginstrings()
- {
- global $conf;
- $pluginstrings = array();
- $plugins = plugin_list();
- foreach ($plugins as $p){
- if (isset($lang)) unset($lang);
- if (@file_exists(DOKU_PLUGIN."$p/lang/en/lang.php")) {
- include DOKU_PLUGIN."$p/lang/en/lang.php";
- }
- if (isset($conf['lang']) && $conf['lang']!='en' && @file_exists(DOKU_PLUGIN."$p/lang/".$conf['lang']."/lang.php")) {
- include DOKU_PLUGIN."$p/lang/".$conf['lang']."/lang.php";
- }
- if (isset($lang['js'])) {
- $pluginstrings[$p] = $lang['js'];
- }
- }
- return $pluginstrings;
- }
- /**
- * Escapes a String to be embedded in a JavaScript call, keeps \n
- * as newline
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function js_escape($string){
- return str_replace('\\\\n','\\n',addslashes($string));
- }
- /**
- * Adds the given JavaScript code to the window.onload() event
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
- function js_runonstart($func){
- echo "jQuery(function(){ $func; });".NL;
- }
- /**
- * Strip comments and whitespaces from given JavaScript Code
- *
- * This is a port of Nick Galbreath's python tool jsstrip.py which is
- * released under BSD license. See link for original code.
- *
- * @author Nick Galbreath <nickg@modp.com>
- * @author Andreas Gohr <andi@splitbrain.org>
- * @link http://code.google.com/p/jsstrip/
- */
- function js_compress($s){
- $s = ltrim($s); // strip all initial whitespace
- $s .= "\n";
- $i = 0; // char index for input string
- $j = 0; // char forward index for input string
- $line = 0; // line number of file (close to it anyways)
- $slen = strlen($s); // size of input string
- $lch = ''; // last char added
- $result = ''; // we store the final result here
- // items that don't need spaces next to them
- $chars = "^&|!+\-*\/%=\?:;,{}()<>% \t\n\r'\"[]";
- $regex_starters = array("(", "=", "[", "," , ":", "!");
- $whitespaces_chars = array(" ", "\t", "\n", "\r", "\0", "\x0B");
- while($i < $slen){
- // skip all "boring" characters. This is either
- // reserved word (e.g. "for", "else", "if") or a
- // variable/object/method (e.g. "foo.color")
- while ($i < $slen && (strpos($chars,$s[$i]) === false) ){
- $result .= $s{$i};
- $i = $i + 1;
- }
- $ch = $s{$i};
- // multiline comments (keeping IE conditionals)
- if($ch == '/' && $s{$i+1} == '*' && $s{$i+2} != '@'){
- $endC = strpos($s,'*/',$i+2);
- if($endC === false) trigger_error('Found invalid /*..*/ comment', E_USER_ERROR);
- // check if this is a NOCOMPRESS comment
- if(substr($s, $i, $endC+2-$i) == '/* BEGIN NOCOMPRESS */'){
- $endNC = strpos($s, '/* END NOCOMPRESS */', $endC+2);
- if($endNC === false) trigger_error('Found invalid NOCOMPRESS comment', E_USER_ERROR);
- // verbatim copy contents, trimming but putting it on its own line
- $result .= "\n".trim(substr($s, $i + 22, $endNC - ($i + 22)))."\n"; // BEGIN comment = 22 chars
- $i = $endNC + 20; // END comment = 20 chars
- }else{
- $i = $endC + 2;
- }
- continue;
- }
- // singleline
- if($ch == '/' && $s{$i+1} == '/'){
- $endC = strpos($s,"\n",$i+2);
- if($endC === false) trigger_error('Invalid comment', E_USER_ERROR);
- $i = $endC;
- continue;
- }
- // tricky. might be an RE
- if($ch == '/'){
- // rewind, skip white space
- $j = 1;
- while(in_array($s{$i-$j}, $whitespaces_chars)){
- $j = $j + 1;
- }
- if( in_array($s{$i-$j}, $regex_starters) ){
- // yes, this is an re
- // now move forward and find the end of it
- $j = 1;
- while($s{$i+$j} != '/'){
- if($s{$i+$j} == '\\') $j = $j + 2;
- else $j++;
- }
- $result .= substr($s,$i,$j+1);
- $i = $i + $j + 1;
- continue;
- }
- }
- // double quote strings
- if($ch == '"'){
- $j = 1;
- while( $s{$i+$j} != '"' && ($i+$j < $slen)){
- if( $s{$i+$j} == '\\' && ($s{$i+$j+1} == '"' || $s{$i+$j+1} == '\\') ){
- $j += 2;
- }else{
- $j += 1;
- }
- }
- $string = substr($s,$i,$j+1);
- // remove multiline markers:
- $string = str_replace("\\\n",'',$string);
- $result .= $string;
- $i = $i + $j + 1;
- continue;
- }
- // single quote strings
- if($ch == "'"){
- $j = 1;
- while( $s{$i+$j} != "'" && ($i+$j < $slen)){
- if( $s{$i+$j} == '\\' && ($s{$i+$j+1} == "'" || $s{$i+$j+1} == '\\') ){
- $j += 2;
- }else{
- $j += 1;
- }
- }
- $string = substr($s,$i,$j+1);
- // remove multiline markers:
- $string = str_replace("\\\n",'',$string);
- $result .= $string;
- $i = $i + $j + 1;
- continue;
- }
- // whitespaces
- if( $ch == ' ' || $ch == "\r" || $ch == "\n" || $ch == "\t" ){
- // leading spaces
- if($i+1 < $slen && (strpos($chars,$s[$i+1]) !== false)){
- $i = $i + 1;
- continue;
- }
- // trailing spaces
- // if this ch is space AND the last char processed
- // is special, then skip the space
- $lch = substr($result,-1);
- if($lch && (strpos($chars,$lch) !== false)){
- $i = $i + 1;
- continue;
- }
- // else after all of this convert the "whitespace" to
- // a single space. It will get appended below
- $ch = ' ';
- }
- // other chars
- $result .= $ch;
- $i = $i + 1;
- }
- return trim($result);
- }
- //Setup VIM: ex: et ts=4 :