browser/devtools/sourceeditor/codemirror/fold/comment-fold.js@6474c204b198 (annotated)
browser/devtools/sourceeditor/codemirror/fold/comment-fold.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | CodeMirror.registerGlobalHelper("fold", "comment", function(mode) { |
| michael@0 | 2 | return mode.blockCommentStart && mode.blockCommentEnd; |
| michael@0 | 3 | }, function(cm, start) { |
| michael@0 | 4 | var mode = cm.getModeAt(start), startToken = mode.blockCommentStart, endToken = mode.blockCommentEnd; |
| michael@0 | 5 | if (!startToken || !endToken) return; |
| michael@0 | 6 | var line = start.line, lineText = cm.getLine(line); |
| michael@0 | 7 | |
| michael@0 | 8 | var startCh; |
| michael@0 | 9 | for (var at = start.ch, pass = 0;;) { |
| michael@0 | 10 | var found = at <= 0 ? -1 : lineText.lastIndexOf(startToken, at - 1); |
| michael@0 | 11 | if (found == -1) { |
| michael@0 | 12 | if (pass == 1) return; |
| michael@0 | 13 | pass = 1; |
| michael@0 | 14 | at = lineText.length; |
| michael@0 | 15 | continue; |
| michael@0 | 16 | } |
| michael@0 | 17 | if (pass == 1 && found < start.ch) return; |
| michael@0 | 18 | if (/comment/.test(cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1)))) { |
| michael@0 | 19 | startCh = found + startToken.length; |
| michael@0 | 20 | break; |
| michael@0 | 21 | } |
| michael@0 | 22 | at = found - 1; |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | var depth = 1, lastLine = cm.lastLine(), end, endCh; |
| michael@0 | 26 | outer: for (var i = line; i <= lastLine; ++i) { |
| michael@0 | 27 | var text = cm.getLine(i), pos = i == line ? startCh : 0; |
| michael@0 | 28 | for (;;) { |
| michael@0 | 29 | var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos); |
| michael@0 | 30 | if (nextOpen < 0) nextOpen = text.length; |
| michael@0 | 31 | if (nextClose < 0) nextClose = text.length; |
| michael@0 | 32 | pos = Math.min(nextOpen, nextClose); |
| michael@0 | 33 | if (pos == text.length) break; |
| michael@0 | 34 | if (pos == nextOpen) ++depth; |
| michael@0 | 35 | else if (!--depth) { end = i; endCh = pos; break outer; } |
| michael@0 | 36 | ++pos; |
| michael@0 | 37 | } |
| michael@0 | 38 | } |
| michael@0 | 39 | if (end == null || line == end && endCh == startCh) return; |
| michael@0 | 40 | return {from: CodeMirror.Pos(line, startCh), |
| michael@0 | 41 | to: CodeMirror.Pos(end, endCh)}; |
| michael@0 | 42 | }); |
