browser/devtools/sourceeditor/codemirror/fold/brace-fold.js@6474c204b198 (annotated)
browser/devtools/sourceeditor/codemirror/fold/brace-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.registerHelper("fold", "brace", function(cm, start) { |
| michael@0 | 2 | var line = start.line, lineText = cm.getLine(line); |
| michael@0 | 3 | var startCh, tokenType; |
| michael@0 | 4 | |
| michael@0 | 5 | function findOpening(openCh) { |
| michael@0 | 6 | for (var at = start.ch, pass = 0;;) { |
| michael@0 | 7 | var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1); |
| michael@0 | 8 | if (found == -1) { |
| michael@0 | 9 | if (pass == 1) break; |
| michael@0 | 10 | pass = 1; |
| michael@0 | 11 | at = lineText.length; |
| michael@0 | 12 | continue; |
| michael@0 | 13 | } |
| michael@0 | 14 | if (pass == 1 && found < start.ch) break; |
| michael@0 | 15 | tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1)); |
| michael@0 | 16 | if (!/^(comment|string)/.test(tokenType)) return found + 1; |
| michael@0 | 17 | at = found - 1; |
| michael@0 | 18 | } |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | var startToken = "{", endToken = "}", startCh = findOpening("{"); |
| michael@0 | 22 | if (startCh == null) { |
| michael@0 | 23 | startToken = "[", endToken = "]"; |
| michael@0 | 24 | startCh = findOpening("["); |
| michael@0 | 25 | } |
| michael@0 | 26 | |
| michael@0 | 27 | if (startCh == null) return; |
| michael@0 | 28 | var count = 1, lastLine = cm.lastLine(), end, endCh; |
| michael@0 | 29 | outer: for (var i = line; i <= lastLine; ++i) { |
| michael@0 | 30 | var text = cm.getLine(i), pos = i == line ? startCh : 0; |
| michael@0 | 31 | for (;;) { |
| michael@0 | 32 | var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos); |
| michael@0 | 33 | if (nextOpen < 0) nextOpen = text.length; |
| michael@0 | 34 | if (nextClose < 0) nextClose = text.length; |
| michael@0 | 35 | pos = Math.min(nextOpen, nextClose); |
| michael@0 | 36 | if (pos == text.length) break; |
| michael@0 | 37 | if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) { |
| michael@0 | 38 | if (pos == nextOpen) ++count; |
| michael@0 | 39 | else if (!--count) { end = i; endCh = pos; break outer; } |
| michael@0 | 40 | } |
| michael@0 | 41 | ++pos; |
| michael@0 | 42 | } |
| michael@0 | 43 | } |
| michael@0 | 44 | if (end == null || line == end && endCh == startCh) return; |
| michael@0 | 45 | return {from: CodeMirror.Pos(line, startCh), |
| michael@0 | 46 | to: CodeMirror.Pos(end, endCh)}; |
| michael@0 | 47 | }); |
| michael@0 | 48 | CodeMirror.braceRangeFinder = CodeMirror.fold.brace; // deprecated |
| michael@0 | 49 | |
| michael@0 | 50 | CodeMirror.registerHelper("fold", "import", function(cm, start) { |
| michael@0 | 51 | function hasImport(line) { |
| michael@0 | 52 | if (line < cm.firstLine() || line > cm.lastLine()) return null; |
| michael@0 | 53 | var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); |
| michael@0 | 54 | if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); |
| michael@0 | 55 | if (start.type != "keyword" || start.string != "import") return null; |
| michael@0 | 56 | // Now find closing semicolon, return its position |
| michael@0 | 57 | for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) { |
| michael@0 | 58 | var text = cm.getLine(i), semi = text.indexOf(";"); |
| michael@0 | 59 | if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)}; |
| michael@0 | 60 | } |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | var start = start.line, has = hasImport(start), prev; |
| michael@0 | 64 | if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1)) |
| michael@0 | 65 | return null; |
| michael@0 | 66 | for (var end = has.end;;) { |
| michael@0 | 67 | var next = hasImport(end.line + 1); |
| michael@0 | 68 | if (next == null) break; |
| michael@0 | 69 | end = next.end; |
| michael@0 | 70 | } |
| michael@0 | 71 | return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end}; |
| michael@0 | 72 | }); |
| michael@0 | 73 | CodeMirror.importRangeFinder = CodeMirror.fold["import"]; // deprecated |
| michael@0 | 74 | |
| michael@0 | 75 | CodeMirror.registerHelper("fold", "include", function(cm, start) { |
| michael@0 | 76 | function hasInclude(line) { |
| michael@0 | 77 | if (line < cm.firstLine() || line > cm.lastLine()) return null; |
| michael@0 | 78 | var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); |
| michael@0 | 79 | if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); |
| michael@0 | 80 | if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8; |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | var start = start.line, has = hasInclude(start); |
| michael@0 | 84 | if (has == null || hasInclude(start - 1) != null) return null; |
| michael@0 | 85 | for (var end = start;;) { |
| michael@0 | 86 | var next = hasInclude(end + 1); |
| michael@0 | 87 | if (next == null) break; |
| michael@0 | 88 | ++end; |
| michael@0 | 89 | } |
| michael@0 | 90 | return {from: CodeMirror.Pos(start, has + 1), |
| michael@0 | 91 | to: cm.clipPos(CodeMirror.Pos(end))}; |
| michael@0 | 92 | }); |
| michael@0 | 93 | CodeMirror.includeRangeFinder = CodeMirror.fold.include; // deprecated |
