wcfsetup/install/files/js/3rdParty/codemirror/addon/fold/xml-fold.js

   1 CodeMirror.tagRangeFinder = (function() {
   2   var nameStartChar = "A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";
   3   var nameChar = nameStartChar + "\-\:\.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";
   4   var xmlTagStart = new RegExp("<(/?)([" + nameStartChar + "][" + nameChar + "]*)", "g");
   5
   6   return function(cm, start) {
   7     var line = start.line, ch = start.ch, lineText = cm.getLine(line);
   8
   9     function nextLine() {
  10       if (line >= cm.lastLine()) return;
  11       ch = 0;
  12       lineText = cm.getLine(++line);
  13       return true;
  14     }
  15     function toTagEnd() {
  16       for (;;) {
  17         var gt = lineText.indexOf(">", ch);
  18         if (gt == -1) { if (nextLine()) continue; else return; }
  19         var lastSlash = lineText.lastIndexOf("/", gt);
  20         var selfClose = lastSlash > -1 && /^\s*$/.test(lineText.slice(lastSlash + 1, gt));
  21         ch = gt + 1;
  22         return selfClose ? "selfClose" : "regular";
  23       }
  24     }
  25     function toNextTag() {
  26       for (;;) {
  27         xmlTagStart.lastIndex = ch;
  28         var found = xmlTagStart.exec(lineText);
  29         if (!found) { if (nextLine()) continue; else return; }
  30         ch = found.index + found[0].length;
  31         return found;
  32       }
  33     }
  34
  35     var stack = [], startCh;
  36     for (;;) {
  37       var openTag = toNextTag(), end;
  38       if (!openTag || line != start.line || !(end = toTagEnd())) return;
  39       if (!openTag[1] && end != "selfClose") {
  40         stack.push(openTag[2]);
  41         startCh = ch;
  42         break;
  43       }
  44     }
  45
  46     for (;;) {
  47       var next = toNextTag(), end, tagLine = line, tagCh = ch - (next ? next[0].length : 0);
  48       if (!next || !(end = toTagEnd())) return;
  49       if (end == "selfClose") continue;
  50       if (next[1]) { // closing tag
  51         for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == next[2]) {
  52           stack.length = i;
  53           break;
  54         }
  55         if (!stack.length) return {
  56           from: CodeMirror.Pos(start.line, startCh),
  57           to: CodeMirror.Pos(tagLine, tagCh)
  58         };
  59       } else { // opening tag
  60         stack.push(next[2]);
  61       }
  62     }
  63   };
  64 })();