The Tor Browser: browser/devtools/sourceeditor/codemirror/fold/brace-fold.js@6474c204b198

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

     1 CodeMirror.registerHelper("fold", "brace", function(cm, start) {

     2   var line = start.line, lineText = cm.getLine(line);

     3   var startCh, tokenType;

     5   function findOpening(openCh) {

     6     for (var at = start.ch, pass = 0;;) {

     7       var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1);

     8       if (found == -1) {

     9         if (pass == 1) break;

    10         pass = 1;

    11         at = lineText.length;

    12         continue;

    13       }

    14       if (pass == 1 && found < start.ch) break;

    15       tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));

    16       if (!/^(comment|string)/.test(tokenType)) return found + 1;

    17       at = found - 1;

    18     }

    19   }

    21   var startToken = "{", endToken = "}", startCh = findOpening("{");

    22   if (startCh == null) {

    23     startToken = "[", endToken = "]";

    24     startCh = findOpening("[");

    25   }

    27   if (startCh == null) return;

    28   var count = 1, lastLine = cm.lastLine(), end, endCh;

    29   outer: for (var i = line; i <= lastLine; ++i) {

    30     var text = cm.getLine(i), pos = i == line ? startCh : 0;

    31     for (;;) {

    32       var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);

    33       if (nextOpen < 0) nextOpen = text.length;

    34       if (nextClose < 0) nextClose = text.length;

    35       pos = Math.min(nextOpen, nextClose);

    36       if (pos == text.length) break;

    37       if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) {

    38         if (pos == nextOpen) ++count;

    39         else if (!--count) { end = i; endCh = pos; break outer; }

    40       }

    41       ++pos;

    42     }

    43   }

    44   if (end == null || line == end && endCh == startCh) return;

    45   return {from: CodeMirror.Pos(line, startCh),

    46           to: CodeMirror.Pos(end, endCh)};

    47 });

    48 CodeMirror.braceRangeFinder = CodeMirror.fold.brace; // deprecated

    50 CodeMirror.registerHelper("fold", "import", function(cm, start) {

    51   function hasImport(line) {

    52     if (line < cm.firstLine() || line > cm.lastLine()) return null;

    53     var start = cm.getTokenAt(CodeMirror.Pos(line, 1));

    54     if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));

    55     if (start.type != "keyword" || start.string != "import") return null;

    56     // Now find closing semicolon, return its position

    57     for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {

    58       var text = cm.getLine(i), semi = text.indexOf(";");

    59       if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};

    60     }

    61   }

    63   var start = start.line, has = hasImport(start), prev;

    64   if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1))

    65     return null;

    66   for (var end = has.end;;) {

    67     var next = hasImport(end.line + 1);

    68     if (next == null) break;

    69     end = next.end;

    70   }

    71   return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end};

    72 });

    73 CodeMirror.importRangeFinder = CodeMirror.fold["import"]; // deprecated

    75 CodeMirror.registerHelper("fold", "include", function(cm, start) {

    76   function hasInclude(line) {

    77     if (line < cm.firstLine() || line > cm.lastLine()) return null;

    78     var start = cm.getTokenAt(CodeMirror.Pos(line, 1));

    79     if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));

    80     if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;

    81   }

    83   var start = start.line, has = hasInclude(start);

    84   if (has == null || hasInclude(start - 1) != null) return null;

    85   for (var end = start;;) {

    86     var next = hasInclude(end + 1);

    87     if (next == null) break;

    88     ++end;

    89   }

    90   return {from: CodeMirror.Pos(start, has + 1),

    91           to: cm.clipPos(CodeMirror.Pos(end))};

    92 });

    93 CodeMirror.includeRangeFinder = CodeMirror.fold.include; // deprecated

The Tor Browser / file revision