mochikit_v14/examples/view-source/lib/SyntaxHighlighter/shBrushXml.js

   1 dp.sh.Brushes.Xml = function()
   2 {
   3         this.CssClass = 'dp-xml';
   4 }
   5
   6 dp.sh.Brushes.Xml.prototype     = new dp.sh.Highlighter();
   7 dp.sh.Brushes.Xml.Aliases       = ['xml', 'xhtml', 'xslt', 'html', 'xhtml'];
   8
   9 dp.sh.Brushes.Xml.prototype.ProcessRegexList = function()
  10 {
  11         function push(array, value)
  12         {
  13                 array[array.length] = value;
  14         }
  15
  16         /* If only there was a way to get index of a group within a match, the whole XML
  17            could be matched with the expression looking something like that:
  18
  19            (<!\[CDATA\[\s*.*\s*\]\]>)
  20            | (<!--\s*.*\s*?-->)
  21            | (<)*(\w+)*\s*(\w+)\s*=\s*(".*?"|'.*?'|\w+)(/*>)*
  22            | (</?)(.*?)(/?>)
  23         */
  24         var index       = 0;
  25         var match       = null;
  26         var regex       = null;
  27
  28         // Match CDATA in the following format <![ ... [ ... ]]>
  29         // <\!\[[\w\s]*?\[(.|\s)*?\]\]>
  30         this.GetMatches(new RegExp('<\\!\\[[\\w\\s]*?\\[(.|\\s)*?\\]\\]>', 'gm'), 'cdata');
  31
  32         // Match comments
  33         // <!--\s*.*\s*?-->
  34         this.GetMatches(new RegExp('<!--\\s*.*\\s*?-->', 'gm'), 'comments');
  35
  36         // Match attributes and their values
  37         // (\w+)\s*=\s*(".*?"|\'.*?\'|\w+)*
  38         regex = new RegExp('([\\w-\.]+)\\s*=\\s*(".*?"|\'.*?\'|\\w+)*', 'gm');
  39         while((match = regex.exec(this.code)) != null)
  40         {
  41                 push(this.matches, new dp.sh.Match(match[1], match.index, 'attribute'));
  42
  43                 // if xml is invalid and attribute has no property value, ignore it
  44                 if(match[2] != undefined)
  45                 {
  46                         push(this.matches, new dp.sh.Match(match[2], match.index + match[0].indexOf(match[2]), 'attribute-value'));
  47                 }
  48         }
  49
  50         // Match opening and closing tag brackets
  51         // </*\?*(?!\!)|/*\?*>
  52         this.GetMatches(new RegExp('</*\\?*(?!\\!)|/*\\?*>', 'gm'), 'tag');
  53
  54         // Match tag names
  55         // </*\?*\s*(\w+)
  56         regex = new RegExp('</*\\?*\\s*([\\w-\.]+)', 'gm');
  57         while((match = regex.exec(this.code)) != null)
  58         {
  59                 push(this.matches, new dp.sh.Match(match[1], match.index + match[0].indexOf(match[1]), 'tag-name'));
  60         }
  61 }