DevTools: roll CodeMirror to v4.0.3

Source/devtools/front_end/cm/closebrackets.js

-(function() {
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
   var DEFAULT_BRACKETS = "()[]{}''\"\"";
   var DEFAULT_EXPLODE_ON_ENTER = "[]{}";
   var SPACE_CHAR_REGEX = /\s/;
 
+  var Pos = CodeMirror.Pos;
+
   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
     if (old != CodeMirror.Init && old)
       cm.removeKeyMap("autoCloseBrackets");
     if (!val) return;
     var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER;
     if (typeof val == "string") pairs = val;
     else if (typeof val == "object") {
       if (val.pairs != null) pairs = val.pairs;
       if (val.explode != null) explode = val.explode;
     }
     var map = buildKeymap(pairs);
     if (explode) map.Enter = buildExplodeHandler(explode);
     cm.addKeyMap(map);
   });
 
   function charsAround(cm, pos) {
-    var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1),
-                          CodeMirror.Pos(pos.line, pos.ch + 1));
+    var str = cm.getRange(Pos(pos.line, pos.ch - 1),
+                          Pos(pos.line, pos.ch + 1));
     return str.length == 2 ? str : null;
   }
 
   function buildKeymap(pairs) {
     var map = {
       name : "autoCloseBrackets",
       Backspace: function(cm) {
-        if (cm.somethingSelected()) return CodeMirror.Pass;
-        var cur = cm.getCursor(), around = charsAround(cm, cur);
-        if (around && pairs.indexOf(around) % 2 == 0)
-          cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));
-        else
-          return CodeMirror.Pass;
+        if (cm.getOption("disableInput")) return CodeMirror.Pass;
+        var ranges = cm.listSelections();
+        for (var i = 0; i < ranges.length; i++) {
+          if (!ranges[i].empty()) return CodeMirror.Pass;
+          var around = charsAround(cm, ranges[i].head);
+          if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+        }
+        for (var i = ranges.length - 1; i >= 0; i--) {
+          var cur = ranges[i].head;
+          cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1));
+        }
       }
     };
     var closingBrackets = "";
     for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
       if (left != right) closingBrackets += right;
-      function surround(cm) {
-        var selection = cm.getSelection();
-        cm.replaceSelection(left + selection + right);
-      }
-      function maybeOverwrite(cm) {
-        var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
-        if (ahead != right || cm.somethingSelected()) return CodeMirror.Pass;
-        else cm.execCommand("goCharRight");
-      }
       map["'" + left + "'"] = function(cm) {
-        if (left == "'" && cm.getTokenAt(cm.getCursor()).type == "comment")
-          return CodeMirror.Pass;
-        if (cm.somethingSelected()) return surround(cm);
-        if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return;
-        var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1);
-        var line = cm.getLine(cur.line), nextChar = line.charAt(cur.ch), curChar = cur.ch > 0 ? line.charAt(cur.ch - 1) : "";
-        if (left == right && CodeMirror.isWordChar(curChar))
-          return CodeMirror.Pass;
-        if (line.length == cur.ch || closingBrackets.indexOf(nextChar) >= 0 || SPACE_CHAR_REGEX.test(nextChar))
-          cm.replaceSelection(left + right, {head: ahead, anchor: ahead});
-        else
-          return CodeMirror.Pass;
+        if (cm.getOption("disableInput")) return CodeMirror.Pass;
+        var ranges = cm.listSelections(), type, next;
+        for (var i = 0; i < ranges.length; i++) {
+          var range = ranges[i], cur = range.head, curType;
+          if (left == "'" && cm.getTokenTypeAt(cur) == "comment")
+            return CodeMirror.Pass;
+          var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
+          if (!range.empty())
+            curType = "surround";
+          else if (left == right && next == right) {
+            if (cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == left + left + left)
+              curType = "skipThree";
+            else
+              curType = "skip";
+          } else if (left == right && cur.ch > 1 &&
+                     cm.getRange(Pos(cur.line, cur.ch - 2), cur) == left + left)
+            curType = "addFour";
+          else if (left == right && CodeMirror.isWordChar(next))
+            return CodeMirror.Pass;
+          else if (cm.getLine(cur.line).length == cur.ch || closingBrackets.indexOf(next) >= 0 || SPACE_CHAR_REGEX.test(next))
+            curType = "both";
+          else
+            return CodeMirror.Pass;
+          if (!type) type = curType;
+          else if (type != curType) return CodeMirror.Pass;
+        }
+
+        cm.operation(function() {
+          if (type == "skip") {
+            cm.execCommand("goCharRight");
+          } else if (type == "skipThree") {
+            for (var i = 0; i < 3; i++)
+              cm.execCommand("goCharRight");
+          } else if (type == "surround") {
+            var sels = cm.getSelections();
+            for (var i = 0; i < sels.length; i++)
+              sels[i] = left + sels[i] + right;
+            cm.replaceSelections(sels, "around");
+          } else if (type == "both") {
+            cm.replaceSelection(left + right, null);
+            cm.execCommand("goCharLeft");
+          } else if (type == "addFour") {
+            cm.replaceSelection(left + left + left + left, "before");
+            cm.execCommand("goCharRight");
+          }
+        });
       };
-      if (left != right) map["'" + right + "'"] = maybeOverwrite;
+      if (left != right) map["'" + right + "'"] = function(cm) {
+        var ranges = cm.listSelections();
+        for (var i = 0; i < ranges.length; i++) {
+          var range = ranges[i];
+          if (!range.empty() ||
+              cm.getRange(range.head, Pos(range.head.line, range.head.ch + 1)) != right)
+            return CodeMirror.Pass;
+        }
+        cm.execCommand("goCharRight");
+      };
     })(pairs.charAt(i), pairs.charAt(i + 1));
     return map;
   }
 
   function buildExplodeHandler(pairs) {
     return function(cm) {
-      var cur = cm.getCursor(), around = charsAround(cm, cur);
-      if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+      if (cm.getOption("disableInput")) return CodeMirror.Pass;
+      var ranges = cm.listSelections();
+      for (var i = 0; i < ranges.length; i++) {
+        if (!ranges[i].empty()) return CodeMirror.Pass;
+        var around = charsAround(cm, ranges[i].head);
+        if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+      }
       cm.operation(function() {
-        var newPos = CodeMirror.Pos(cur.line + 1, 0);
-        cm.replaceSelection("\n\n", {anchor: newPos, head: newPos}, "+input");
-        cm.indentLine(cur.line + 1, null, true);
-        cm.indentLine(cur.line + 2, null, true);
+        cm.replaceSelection("\n\n", null);
+        cm.execCommand("goCharLeft");
+        ranges = cm.listSelections();
+        for (var i = 0; i < ranges.length; i++) {
+          var line = ranges[i].head.line;
+          cm.indentLine(line, null, true);
+          cm.indentLine(line + 1, null, true);
+        }
       });
     };
   }
-})();
+});