wcfsetup/install/files/js/3rdParty/codemirror/addon/edit/closebrackets.js

   1 (function() {
   2   var DEFAULT_BRACKETS = "()[]{}''\"\"";
   3   var SPACE_CHAR_REGEX = /\s/;
   4
   5   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
   6     var wasOn = old && old != CodeMirror.Init;
   7     if (val && !wasOn)
   8       cm.addKeyMap(buildKeymap(typeof val == "string" ? val : DEFAULT_BRACKETS));
   9     else if (!val && wasOn)
  10       cm.removeKeyMap("autoCloseBrackets");
  11   });
  12
  13   function buildKeymap(pairs) {
  14     var map = {
  15       name : "autoCloseBrackets",
  16       Backspace: function(cm) {
  17         if (cm.somethingSelected()) return CodeMirror.Pass;
  18         var cur = cm.getCursor(), line = cm.getLine(cur.line);
  19         if (cur.ch && cur.ch < line.length &&
  20           pairs.indexOf(line.slice(cur.ch - 1, cur.ch + 1)) % 2 == 0)
  21           cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));
  22         else
  23           return CodeMirror.Pass;
  24       }
  25     };
  26     var closingBrackets = "";
  27     for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
  28       if (left != right) closingBrackets += right;
  29       function surround(cm) {
  30         var selection = cm.getSelection();
  31         cm.replaceSelection(left + selection + right);
  32       }
  33       function maybeOverwrite(cm) {
  34         var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
  35         if (ahead != right || cm.somethingSelected()) return CodeMirror.Pass;
  36         else cm.execCommand("goCharRight");
  37       }
  38       map["'" + left + "'"] = function(cm) {
  39         if (left == "'" && cm.getTokenAt(cm.getCursor()).type == "comment")
  40           return CodeMirror.Pass;
  41         if (cm.somethingSelected()) return surround(cm);
  42         if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return;
  43         var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1);
  44         var line = cm.getLine(cur.line), nextChar = line.charAt(cur.ch);
  45         if (line.length == cur.ch || closingBrackets.indexOf(nextChar) >= 0 || SPACE_CHAR_REGEX.test(nextChar))
  46           cm.replaceSelection(left + right, {head: ahead, anchor: ahead});
  47         else
  48           return CodeMirror.Pass;
  49       };
  50       if (left != right) map["'" + right + "'"] = maybeOverwrite;
  51     })(pairs.charAt(i), pairs.charAt(i + 1));
  52     return map;
  53   }
  54 })();