The Tor Browser: browser/devtools/sourceeditor/codemirror/closebrackets.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 (function(mod) {

     2   if (typeof exports == "object" && typeof module == "object") // CommonJS

     3     mod(require("../../lib/codemirror"));

     4   else if (typeof define == "function" && define.amd) // AMD

     5     define(["../../lib/codemirror"], mod);

     6   else // Plain browser env

     7     mod(CodeMirror);

     8 })(function(CodeMirror) {

     9   var DEFAULT_BRACKETS = "()[]{}''\"\"";

    10   var DEFAULT_EXPLODE_ON_ENTER = "[]{}";

    11   var SPACE_CHAR_REGEX = /\s/;

    13   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {

    14     if (old != CodeMirror.Init && old)

    15       cm.removeKeyMap("autoCloseBrackets");

    16     if (!val) return;

    17     var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER;

    18     if (typeof val == "string") pairs = val;

    19     else if (typeof val == "object") {

    20       if (val.pairs != null) pairs = val.pairs;

    21       if (val.explode != null) explode = val.explode;

    22     }

    23     var map = buildKeymap(pairs);

    24     if (explode) map.Enter = buildExplodeHandler(explode);

    25     cm.addKeyMap(map);

    26   });

    28   function charsAround(cm, pos) {

    29     var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1),

    30                           CodeMirror.Pos(pos.line, pos.ch + 1));

    31     return str.length == 2 ? str : null;

    32   }

    34   function buildKeymap(pairs) {

    35     var map = {

    36       name : "autoCloseBrackets",

    37       Backspace: function(cm) {

    38         if (cm.getOption("disableInput")) return CodeMirror.Pass;

    39         var ranges = cm.listSelections();

    40         for (var i = 0; i < ranges.length; i++) {

    41           if (!ranges[i].empty()) return CodeMirror.Pass;

    42           var around = charsAround(cm, ranges[i].head);

    43           if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;

    44         }

    45         for (var i = ranges.length - 1; i >= 0; i--) {

    46           var cur = ranges[i].head;

    47           cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));

    48         }

    49       }

    50     };

    51     var closingBrackets = "";

    52     for (var i = 0; i < pairs.length; i += 2) (function(left, right) {

    53       if (left != right) closingBrackets += right;

    54       map["'" + left + "'"] = function(cm) {

    55         if (cm.getOption("disableInput")) return CodeMirror.Pass;

    56         var ranges = cm.listSelections(), type, next;

    57         for (var i = 0; i < ranges.length; i++) {

    58           var range = ranges[i], cur = range.head, curType;

    59           if (left == "'" && cm.getTokenTypeAt(cur) == "comment")

    60             return CodeMirror.Pass;

    61           var next = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));

    62           if (!range.empty())

    63             curType = "surround";

    64           else if (left == right && next == right)

    65             curType = "skip";

    66           else if (left == right && CodeMirror.isWordChar(next))

    67             return CodeMirror.Pass;

    68           else if (cm.getLine(cur.line).length == cur.ch || closingBrackets.indexOf(next) >= 0 || SPACE_CHAR_REGEX.test(next))

    69             curType = "both";

    70           else

    71             return CodeMirror.Pass;

    72           if (!type) type = curType;

    73           else if (type != curType) return CodeMirror.Pass;

    74         }

    76         if (type == "skip") {

    77           cm.execCommand("goCharRight");

    78         } else if (type == "surround") {

    79           var sels = cm.getSelections();

    80           for (var i = 0; i < sels.length; i++)

    81             sels[i] = left + sels[i] + right;

    82           cm.replaceSelections(sels, "around");

    83         } else if (type == "both") {

    84           cm.replaceSelection(left + right, null);

    85           cm.execCommand("goCharLeft");

    86         }

    87       };

    88       if (left != right) map["'" + right + "'"] = function(cm) {

    89         var ranges = cm.listSelections();

    90         for (var i = 0; i < ranges.length; i++) {

    91           var range = ranges[i];

    92           if (!range.empty() ||

    93               cm.getRange(range.head, CodeMirror.Pos(range.head.line, range.head.ch + 1)) != right)

    94             return CodeMirror.Pass;

    95         }

    96         cm.execCommand("goCharRight");

    97       };

    98     })(pairs.charAt(i), pairs.charAt(i + 1));

    99     return map;

   100   }

   102   function buildExplodeHandler(pairs) {

   103     return function(cm) {

   104       if (cm.getOption("disableInput")) return CodeMirror.Pass;

   105       var ranges = cm.listSelections();

   106       for (var i = 0; i < ranges.length; i++) {

   107         if (!ranges[i].empty()) return CodeMirror.Pass;

   108         var around = charsAround(cm, ranges[i].head);

   109         if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;

   110       }

   111       cm.operation(function() {

   112         cm.replaceSelection("\n\n", null);

   113         cm.execCommand("goCharLeft");

   114         ranges = cm.listSelections();

   115         for (var i = 0; i < ranges.length; i++) {

   116           var line = ranges[i].head.line;

   117           cm.indentLine(line, null, true);

   118           cm.indentLine(line + 1, null, true);

   119         }

   120       });

   121     };

   122   }

   123 });

The Tor Browser / file revision