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

   1 CodeMirror.braceRangeFinder = function(cm, start) {
   2   var line = start.line, lineText = cm.getLine(line);
   3   var at = lineText.length, startChar, tokenType;
   4   for (; at > 0;) {
   5     var found = lineText.lastIndexOf("{", at);
   6     var startToken = '{', endToken = '}';
   7     if (found < start.ch) {
   8       found = lineText.lastIndexOf("[", at);
   9       if (found < start.ch) break;
  10       startToken = '['; endToken = ']';
  11     }
  12
  13     tokenType = cm.getTokenAt(CodeMirror.Pos(line, found + 1)).type;
  14     if (!/^(comment|string)/.test(tokenType)) { startChar = found; break; }
  15     at = found - 1;
  16   }
  17   if (startChar == null || lineText.lastIndexOf(startToken) > startChar) return;
  18   var count = 1, lastLine = cm.lineCount(), end, endCh;
  19   outer: for (var i = line + 1; i < lastLine; ++i) {
  20     var text = cm.getLine(i), pos = 0;
  21     for (;;) {
  22       var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
  23       if (nextOpen < 0) nextOpen = text.length;
  24       if (nextClose < 0) nextClose = text.length;
  25       pos = Math.min(nextOpen, nextClose);
  26       if (pos == text.length) break;
  27       if (cm.getTokenAt(CodeMirror.Pos(i, pos + 1)).type == tokenType) {
  28         if (pos == nextOpen) ++count;
  29         else if (!--count) { end = i; endCh = pos; break outer; }
  30       }
  31       ++pos;
  32     }
  33   }
  34   if (end == null || end == line + 1) return;
  35   return {from: CodeMirror.Pos(line, startChar + 1),
  36           to: CodeMirror.Pos(end, endCh)};
  37 };