[ Index ]

PHP Cross Reference of DokuWiki

title

Body

[close]

/lib/exe/ -> css.php (source)

   1  <?php
   2  /**
   3   * DokuWiki StyleSheet creator
   4   *
   5   * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
   6   * @author     Andreas Gohr <andi@splitbrain.org>
   7   */
   8  
   9  use dokuwiki\Cache\Cache;
  10  use dokuwiki\Extension\Event;
  11  
  12  if(!defined('DOKU_INC')) define('DOKU_INC', __DIR__ .'/../../');
  13  if(!defined('NOSESSION')) define('NOSESSION',true); // we do not use a session or authentication here (better caching)
  14  if(!defined('DOKU_DISABLE_GZIP_OUTPUT')) define('DOKU_DISABLE_GZIP_OUTPUT',1); // we gzip ourself here
  15  if(!defined('NL')) define('NL',"\n");
  16  require_once (DOKU_INC.'inc/init.php');
  17  
  18  // Main (don't run when UNIT test)
  19  if(!defined('SIMPLE_TEST')){
  20      header('Content-Type: text/css; charset=utf-8');
  21      css_out();
  22  }
  23  
  24  
  25  // ---------------------- functions ------------------------------
  26  
  27  /**
  28   * Output all needed Styles
  29   *
  30   * @author Andreas Gohr <andi@splitbrain.org>
  31   */
  32  function css_out(){
  33      global $conf;
  34      global $lang;
  35      global $config_cascade;
  36      global $INPUT;
  37  
  38      if ($INPUT->str('s') == 'feed') {
  39          $mediatypes = array('feed');
  40          $type = 'feed';
  41      } else {
  42          $mediatypes = array('screen', 'all', 'print', 'speech');
  43          $type = '';
  44      }
  45  
  46      // decide from where to get the template
  47      $tpl = trim(preg_replace('/[^\w-]+/','',$INPUT->str('t')));
  48      if(!$tpl) $tpl = $conf['template'];
  49  
  50      // load style.ini
  51      $styleUtil = new \dokuwiki\StyleUtils($tpl, $INPUT->bool('preview'));
  52      $styleini = $styleUtil->cssStyleini();
  53  
  54      // cache influencers
  55      $tplinc = tpl_incdir($tpl);
  56      $cache_files = getConfigFiles('main');
  57      $cache_files[] = $tplinc.'style.ini';
  58      $cache_files[] = DOKU_CONF."tpl/$tpl/style.ini";
  59      $cache_files[] = __FILE__;
  60      if($INPUT->bool('preview')) $cache_files[] = $conf['cachedir'].'/preview.ini';
  61  
  62      // Array of needed files and their web locations, the latter ones
  63      // are needed to fix relative paths in the stylesheets
  64      $media_files = array();
  65      foreach($mediatypes as $mediatype) {
  66          $files = array();
  67  
  68          // load core styles
  69          $files[DOKU_INC.'lib/styles/'.$mediatype.'.css'] = DOKU_BASE.'lib/styles/';
  70  
  71          // load jQuery-UI theme
  72          if ($mediatype == 'screen') {
  73              $files[DOKU_INC.'lib/scripts/jquery/jquery-ui-theme/smoothness.css'] =
  74                  DOKU_BASE.'lib/scripts/jquery/jquery-ui-theme/';
  75          }
  76          // load plugin styles
  77          $files = array_merge($files, css_pluginstyles($mediatype));
  78          // load template styles
  79          if (isset($styleini['stylesheets'][$mediatype])) {
  80              $files = array_merge($files, $styleini['stylesheets'][$mediatype]);
  81          }
  82          // load user styles
  83          if(is_array($config_cascade['userstyle'][$mediatype])) {
  84              foreach($config_cascade['userstyle'][$mediatype] as $userstyle) {
  85                  $files[$userstyle] = DOKU_BASE;
  86              }
  87          }
  88  
  89          // Let plugins decide to either put more styles here or to remove some
  90          $media_files[$mediatype] = css_filewrapper($mediatype, $files);
  91          $CSSEvt = new Event('CSS_STYLES_INCLUDED', $media_files[$mediatype]);
  92  
  93          // Make it preventable.
  94          if ( $CSSEvt->advise_before() ) {
  95              $cache_files = array_merge($cache_files, array_keys($media_files[$mediatype]['files']));
  96          } else {
  97              // unset if prevented. Nothing will be printed for this mediatype.
  98              unset($media_files[$mediatype]);
  99          }
 100  
 101          // finish event.
 102          $CSSEvt->advise_after();
 103      }
 104  
 105      // The generated script depends on some dynamic options
 106      $cache = new Cache(
 107          'styles' .
 108          $_SERVER['HTTP_HOST'] .
 109          $_SERVER['SERVER_PORT'] .
 110          $INPUT->bool('preview') .
 111          DOKU_BASE .
 112          $tpl .
 113          $type,
 114          '.css'
 115      );
 116      $cache->setEvent('CSS_CACHE_USE');
 117  
 118      // check cache age & handle conditional request
 119      // This may exit if a cache can be used
 120      $cache_ok = $cache->useCache(array('files' => $cache_files));
 121      http_cached($cache->cache, $cache_ok);
 122  
 123      // start output buffering
 124      ob_start();
 125  
 126      // Fire CSS_STYLES_INCLUDED for one last time to let the
 127      // plugins decide whether to include the DW default styles.
 128      // This can be done by preventing the Default.
 129      $media_files['DW_DEFAULT'] = css_filewrapper('DW_DEFAULT');
 130      Event::createAndTrigger('CSS_STYLES_INCLUDED', $media_files['DW_DEFAULT'], 'css_defaultstyles');
 131  
 132      // build the stylesheet
 133      foreach ($mediatypes as $mediatype) {
 134  
 135          // Check if there is a wrapper set for this type.
 136          if ( !isset($media_files[$mediatype]) ) {
 137              continue;
 138          }
 139  
 140          $cssData = $media_files[$mediatype];
 141  
 142          // Print the styles.
 143          print NL;
 144          if ( $cssData['encapsulate'] === true ) print $cssData['encapsulationPrefix'] . ' {';
 145          print '/* START '.$cssData['mediatype'].' styles */'.NL;
 146  
 147          // load files
 148          foreach($cssData['files'] as $file => $location){
 149              $display = str_replace(fullpath(DOKU_INC), '', fullpath($file));
 150              print "\n/* XXXXXXXXX $display XXXXXXXXX */\n";
 151              print css_loadfile($file, $location);
 152          }
 153  
 154          print NL;
 155          if ( $cssData['encapsulate'] === true ) print '} /* /@media ';
 156          else print '/*';
 157          print ' END '.$cssData['mediatype'].' styles */'.NL;
 158      }
 159  
 160      // end output buffering and get contents
 161      $css = ob_get_contents();
 162      ob_end_clean();
 163  
 164      // strip any source maps
 165      stripsourcemaps($css);
 166  
 167      // apply style replacements
 168      $css = css_applystyle($css, $styleini['replacements']);
 169  
 170      // parse less
 171      $css = css_parseless($css);
 172  
 173      // compress whitespace and comments
 174      if($conf['compress']){
 175          $css = css_compress($css);
 176      }
 177  
 178      // embed small images right into the stylesheet
 179      if($conf['cssdatauri']){
 180          $base = preg_quote(DOKU_BASE,'#');
 181          $css = preg_replace_callback('#(url\([ \'"]*)('.$base.')(.*?(?:\.(png|gif)))#i','css_datauri',$css);
 182      }
 183  
 184      http_cached_finish($cache->cache, $css);
 185  }
 186  
 187  /**
 188   * Uses phpless to parse LESS in our CSS
 189   *
 190   * most of this function is error handling to show a nice useful error when
 191   * LESS compilation fails
 192   *
 193   * @param string $css
 194   * @return string
 195   */
 196  function css_parseless($css) {
 197      global $conf;
 198  
 199      $less = new lessc();
 200      $less->importDir = array(DOKU_INC);
 201      $less->setPreserveComments(!$conf['compress']);
 202  
 203      if (defined('DOKU_UNITTEST')){
 204          $less->importDir[] = TMP_DIR;
 205      }
 206  
 207      try {
 208          return $less->compile($css);
 209      } catch(Exception $e) {
 210          // get exception message
 211          $msg = str_replace(array("\n", "\r", "'"), array(), $e->getMessage());
 212  
 213          // try to use line number to find affected file
 214          if(preg_match('/line: (\d+)$/', $msg, $m)){
 215              $msg = substr($msg, 0, -1* strlen($m[0])); //remove useless linenumber
 216              $lno = $m[1];
 217  
 218              // walk upwards to last include
 219              $lines = explode("\n", $css);
 220              for($i=$lno-1; $i>=0; $i--){
 221                  if(preg_match('/\/(\* XXXXXXXXX )(.*?)( XXXXXXXXX \*)\//', $lines[$i], $m)){
 222                      // we found it, add info to message
 223                      $msg .= ' in '.$m[2].' at line '.($lno-$i);
 224                      break;
 225                  }
 226              }
 227          }
 228  
 229          // something went wrong
 230          $error = 'A fatal error occured during compilation of the CSS files. '.
 231              'If you recently installed a new plugin or template it '.
 232              'might be broken and you should try disabling it again. ['.$msg.']';
 233  
 234          echo ".dokuwiki:before {
 235              content: '$error';
 236              background-color: red;
 237              display: block;
 238              background-color: #fcc;
 239              border-color: #ebb;
 240              color: #000;
 241              padding: 0.5em;
 242          }";
 243  
 244          exit;
 245      }
 246  }
 247  
 248  /**
 249   * Does placeholder replacements in the style according to
 250   * the ones defined in a templates style.ini file
 251   *
 252   * This also adds the ini defined placeholders as less variables
 253   * (sans the surrounding __ and with a ini_ prefix)
 254   *
 255   * @author Andreas Gohr <andi@splitbrain.org>
 256   *
 257   * @param string $css
 258   * @param array $replacements  array(placeholder => value)
 259   * @return string
 260   */
 261  function css_applystyle($css, $replacements) {
 262      // we convert ini replacements to LESS variable names
 263      // and build a list of variable: value; pairs
 264      $less = '';
 265      foreach((array) $replacements as $key => $value) {
 266          $lkey = trim($key, '_');
 267          $lkey = '@ini_'.$lkey;
 268          $less .= "$lkey: $value;\n";
 269  
 270          $replacements[$key] = $lkey;
 271      }
 272  
 273      // we now replace all old ini replacements with LESS variables
 274      $css = strtr($css, $replacements);
 275  
 276      // now prepend the list of LESS variables as the very first thing
 277      $css = $less.$css;
 278      return $css;
 279  }
 280  
 281  /**
 282   * Wrapper for the files, content and mediatype for the event CSS_STYLES_INCLUDED
 283   *
 284   * @author Gerry Weißbach <gerry.w@gammaproduction.de>
 285   *
 286   * @param string $mediatype type ofthe current media files/content set
 287   * @param array $files set of files that define the current mediatype
 288   * @return array
 289   */
 290  function css_filewrapper($mediatype, $files=array()){
 291      return array(
 292              'files'                 => $files,
 293              'mediatype'             => $mediatype,
 294              'encapsulate'           => $mediatype != 'all',
 295              'encapsulationPrefix'   => '@media '.$mediatype
 296          );
 297  }
 298  
 299  /**
 300   * Prints the @media encapsulated default styles of DokuWiki
 301   *
 302   * @author Gerry Weißbach <gerry.w@gammaproduction.de>
 303   *
 304   * This function is being called by a CSS_STYLES_INCLUDED event
 305   * The event can be distinguished by the mediatype which is:
 306   *   DW_DEFAULT
 307   */
 308  function css_defaultstyles(){
 309      // print the default classes for interwiki links and file downloads
 310      print '@media screen {';
 311      css_interwiki();
 312      css_filetypes();
 313      print '}';
 314  }
 315  
 316  /**
 317   * Prints classes for interwikilinks
 318   *
 319   * Interwiki links have two classes: 'interwiki' and 'iw_$name>' where
 320   * $name is the identifier given in the config. All Interwiki links get
 321   * an default style with a default icon. If a special icon is available
 322   * for an interwiki URL it is set in it's own class. Both classes can be
 323   * overwritten in the template or userstyles.
 324   *
 325   * @author Andreas Gohr <andi@splitbrain.org>
 326   */
 327  function css_interwiki(){
 328  
 329      // default style
 330      echo 'a.interwiki {';
 331      echo ' background: transparent url('.DOKU_BASE.'lib/images/interwiki.png) 0px 1px no-repeat;';
 332      echo ' padding: 1px 0px 1px 16px;';
 333      echo '}';
 334  
 335      // additional styles when icon available
 336      $iwlinks = getInterwiki();
 337      foreach(array_keys($iwlinks) as $iw){
 338          $class = preg_replace('/[^_\-a-z0-9]+/i','_',$iw);
 339          if(file_exists(DOKU_INC.'lib/images/interwiki/'.$iw.'.png')){
 340              echo "a.iw_$class {";
 341              echo '  background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$iw.'.png)';
 342              echo '}';
 343          }elseif(file_exists(DOKU_INC.'lib/images/interwiki/'.$iw.'.gif')){
 344              echo "a.iw_$class {";
 345              echo '  background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$iw.'.gif)';
 346              echo '}';
 347          }
 348      }
 349  }
 350  
 351  /**
 352   * Prints classes for file download links
 353   *
 354   * @author Andreas Gohr <andi@splitbrain.org>
 355   */
 356  function css_filetypes(){
 357  
 358      // default style
 359      echo '.mediafile {';
 360      echo ' background: transparent url('.DOKU_BASE.'lib/images/fileicons/file.png) 0px 1px no-repeat;';
 361      echo ' padding-left: 18px;';
 362      echo ' padding-bottom: 1px;';
 363      echo '}';
 364  
 365      // additional styles when icon available
 366      // scan directory for all icons
 367      $exts = array();
 368      if($dh = opendir(DOKU_INC.'lib/images/fileicons')){
 369          while(false !== ($file = readdir($dh))){
 370              if(preg_match('/([_\-a-z0-9]+(?:\.[_\-a-z0-9]+)*?)\.(png|gif)/i',$file,$match)){
 371                  $ext = strtolower($match[1]);
 372                  $type = '.'.strtolower($match[2]);
 373                  if($ext!='file' && (!isset($exts[$ext]) || $type=='.png')){
 374                      $exts[$ext] = $type;
 375                  }
 376              }
 377          }
 378          closedir($dh);
 379      }
 380      foreach($exts as $ext=>$type){
 381          $class = preg_replace('/[^_\-a-z0-9]+/','_',$ext);
 382          echo ".mf_$class {";
 383          echo '  background-image: url('.DOKU_BASE.'lib/images/fileicons/'.$ext.$type.')';
 384          echo '}';
 385      }
 386  }
 387  
 388  /**
 389   * Loads a given file and fixes relative URLs with the
 390   * given location prefix
 391   *
 392   * @param string $file file system path
 393   * @param string $location
 394   * @return string
 395   */
 396  function css_loadfile($file,$location=''){
 397      $css_file = new DokuCssFile($file);
 398      return $css_file->load($location);
 399  }
 400  
 401  /**
 402   *  Helper class to abstract loading of css/less files
 403   *
 404   *  @author Chris Smith <chris@jalakai.co.uk>
 405   */
 406  class DokuCssFile {
 407  
 408      protected $filepath;             // file system path to the CSS/Less file
 409      protected $location;             // base url location of the CSS/Less file
 410      protected $relative_path = null;
 411  
 412      public function __construct($file) {
 413          $this->filepath = $file;
 414      }
 415  
 416      /**
 417       * Load the contents of the css/less file and adjust any relative paths/urls (relative to this file) to be
 418       * relative to the dokuwiki root: the web root (DOKU_BASE) for most files; the file system root (DOKU_INC)
 419       * for less files.
 420       *
 421       * @param   string   $location   base url for this file
 422       * @return  string               the CSS/Less contents of the file
 423       */
 424      public function load($location='') {
 425          if (!file_exists($this->filepath)) return '';
 426  
 427          $css = io_readFile($this->filepath);
 428          if (!$location) return $css;
 429  
 430          $this->location = $location;
 431  
 432          $css = preg_replace_callback('#(url\( *)([\'"]?)(.*?)(\2)( *\))#',array($this,'replacements'),$css);
 433          $css = preg_replace_callback('#(@import\s+)([\'"])(.*?)(\2)#',array($this,'replacements'),$css);
 434  
 435          return $css;
 436      }
 437  
 438      /**
 439       * Get the relative file system path of this file, relative to dokuwiki's root folder, DOKU_INC
 440       *
 441       * @return string   relative file system path
 442       */
 443      protected function getRelativePath(){
 444  
 445          if (is_null($this->relative_path)) {
 446              $basedir = array(DOKU_INC);
 447  
 448              // during testing, files may be found relative to a second base dir, TMP_DIR
 449              if (defined('DOKU_UNITTEST')) {
 450                  $basedir[] = realpath(TMP_DIR);
 451              }
 452  
 453              $basedir = array_map('preg_quote_cb', $basedir);
 454              $regex = '/^('.join('|',$basedir).')/';
 455              $this->relative_path = preg_replace($regex, '', dirname($this->filepath));
 456          }
 457  
 458          return $this->relative_path;
 459      }
 460  
 461      /**
 462       * preg_replace callback to adjust relative urls from relative to this file to relative
 463       * to the appropriate dokuwiki root location as described in the code
 464       *
 465       * @param  array    see http://php.net/preg_replace_callback
 466       * @return string   see http://php.net/preg_replace_callback
 467       */
 468      public function replacements($match) {
 469  
 470          if (preg_match('#^(/|data:|https?://)#', $match[3])) { // not a relative url? - no adjustment required
 471              return $match[0];
 472          } elseif (substr($match[3], -5) == '.less') { // a less file import? - requires a file system location
 473              if ($match[3][0] != '/') {
 474                  $match[3] = $this->getRelativePath() . '/' . $match[3];
 475              }
 476          } else { // everything else requires a url adjustment
 477              $match[3] = $this->location . $match[3];
 478          }
 479  
 480          return join('',array_slice($match,1));
 481      }
 482  }
 483  
 484  /**
 485   * Convert local image URLs to data URLs if the filesize is small
 486   *
 487   * Callback for preg_replace_callback
 488   *
 489   * @param array $match
 490   * @return string
 491   */
 492  function css_datauri($match){
 493      global $conf;
 494  
 495      $pre   = unslash($match[1]);
 496      $base  = unslash($match[2]);
 497      $url   = unslash($match[3]);
 498      $ext   = unslash($match[4]);
 499  
 500      $local = DOKU_INC.$url;
 501      $size  = @filesize($local);
 502      if($size && $size < $conf['cssdatauri']){
 503          $data = base64_encode(file_get_contents($local));
 504      }
 505      if (!empty($data)){
 506          $url = 'data:image/'.$ext.';base64,'.$data;
 507      }else{
 508          $url = $base.$url;
 509      }
 510      return $pre.$url;
 511  }
 512  
 513  
 514  /**
 515   * Returns a list of possible Plugin Styles (no existance check here)
 516   *
 517   * @author Andreas Gohr <andi@splitbrain.org>
 518   *
 519   * @param string $mediatype
 520   * @return array
 521   */
 522  function css_pluginstyles($mediatype='screen'){
 523      $list = array();
 524      $plugins = plugin_list();
 525      foreach ($plugins as $p){
 526          $list[DOKU_PLUGIN."$p/$mediatype.css"]  = DOKU_BASE."lib/plugins/$p/";
 527          $list[DOKU_PLUGIN."$p/$mediatype.less"]  = DOKU_BASE."lib/plugins/$p/";
 528          // alternative for screen.css
 529          if ($mediatype=='screen') {
 530              $list[DOKU_PLUGIN."$p/style.css"]  = DOKU_BASE."lib/plugins/$p/";
 531              $list[DOKU_PLUGIN."$p/style.less"]  = DOKU_BASE."lib/plugins/$p/";
 532          }
 533      }
 534      return $list;
 535  }
 536  
 537  /**
 538   * Very simple CSS optimizer
 539   *
 540   * @author Andreas Gohr <andi@splitbrain.org>
 541   *
 542   * @param string $css
 543   * @return string
 544   */
 545  function css_compress($css){
 546      //strip comments through a callback
 547      $css = preg_replace_callback('#(/\*)(.*?)(\*/)#s','css_comment_cb',$css);
 548  
 549      //strip (incorrect but common) one line comments
 550      $css = preg_replace_callback('/^.*\/\/.*$/m','css_onelinecomment_cb',$css);
 551  
 552      // strip whitespaces
 553      $css = preg_replace('![\r\n\t ]+!',' ',$css);
 554      $css = preg_replace('/ ?([;,{}\/]) ?/','\\1',$css);
 555      $css = preg_replace('/ ?: /',':',$css);
 556  
 557      // number compression
 558      $css = preg_replace(
 559          '/([: ])0+(\.\d+?)0*((?:pt|pc|in|mm|cm|em|ex|px)\b|%)(?=[^\{]*[;\}])/',
 560          '$1$2$3',
 561          $css
 562      ); // "0.1em" to ".1em", "1.10em" to "1.1em"
 563      $css = preg_replace(
 564          '/([: ])\.(0)+((?:pt|pc|in|mm|cm|em|ex|px)\b|%)(?=[^\{]*[;\}])/',
 565          '$1$2',
 566          $css
 567      ); // ".0em" to "0"
 568      $css = preg_replace(
 569          '/([: ]0)0*(\.0*)?((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/',
 570          '$1',
 571          $css
 572      ); // "0.0em" to "0"
 573      $css = preg_replace(
 574          '/([: ]\d+)(\.0*)((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/',
 575          '$1$3',
 576          $css
 577      ); // "1.0em" to "1em"
 578      $css = preg_replace(
 579          '/([: ])0+(\d+|\d*\.\d+)((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/',
 580          '$1$2$3',
 581          $css
 582      ); // "001em" to "1em"
 583  
 584      // shorten attributes (1em 1em 1em 1em -> 1em)
 585      $css = preg_replace(
 586          '/(?<![\w\-])((?:margin|padding|border|border-(?:width|radius)):)([\w\.]+)( \2)+(?=[;\}]| !)/',
 587          '$1$2',
 588          $css
 589      ); // "1em 1em 1em 1em" to "1em"
 590      $css = preg_replace(
 591          '/(?<![\w\-])((?:margin|padding|border|border-(?:width)):)([\w\.]+) ([\w\.]+) \2 \3(?=[;\}]| !)/',
 592          '$1$2 $3',
 593          $css
 594      ); // "1em 2em 1em 2em" to "1em 2em"
 595  
 596      // shorten colors
 597      $css = preg_replace(
 598          "/#([0-9a-fA-F]{1})\\1([0-9a-fA-F]{1})\\2([0-9a-fA-F]{1})\\3(?=[^\{]*[;\}])/",
 599          "#\\1\\2\\3",
 600          $css
 601      );
 602  
 603      return $css;
 604  }
 605  
 606  /**
 607   * Callback for css_compress()
 608   *
 609   * Keeps short comments (< 5 chars) to maintain typical browser hacks
 610   *
 611   * @author Andreas Gohr <andi@splitbrain.org>
 612   *
 613   * @param array $matches
 614   * @return string
 615   */
 616  function css_comment_cb($matches){
 617      if(strlen($matches[2]) > 4) return '';
 618      return $matches[0];
 619  }
 620  
 621  /**
 622   * Callback for css_compress()
 623   *
 624   * Strips one line comments but makes sure it will not destroy url() constructs with slashes
 625   *
 626   * @param array $matches
 627   * @return string
 628   */
 629  function css_onelinecomment_cb($matches) {
 630      $line = $matches[0];
 631  
 632      $i = 0;
 633      $len = strlen($line);
 634  
 635      while ($i< $len){
 636          $nextcom = strpos($line, '//', $i);
 637          $nexturl = stripos($line, 'url(', $i);
 638  
 639          if($nextcom === false) {
 640              // no more comments, we're done
 641              $i = $len;
 642              break;
 643          }
 644  
 645          // keep any quoted string that starts before a comment
 646          $nextsqt = strpos($line, "'", $i);
 647          $nextdqt = strpos($line, '"', $i);
 648          if(min($nextsqt, $nextdqt) < $nextcom) {
 649              $skipto = false;
 650              if($nextsqt !== false && ($nextdqt === false || $nextsqt < $nextdqt)) {
 651                  $skipto = strpos($line, "'", $nextsqt+1) +1;
 652              } else if ($nextdqt !== false) {
 653                  $skipto = strpos($line, '"', $nextdqt+1) +1;
 654              }
 655  
 656              if($skipto !== false) {
 657                  $i = $skipto;
 658                  continue;
 659              }
 660          }
 661  
 662          if($nexturl === false || $nextcom < $nexturl) {
 663              // no url anymore, strip comment and be done
 664              $i = $nextcom;
 665              break;
 666          }
 667  
 668          // we have an upcoming url
 669          $i = strpos($line, ')', $nexturl);
 670      }
 671  
 672      return substr($line, 0, $i);
 673  }
 674  
 675  //Setup VIM: ex: et ts=4 :