1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/devtools/sourceeditor/codemirror/fold/brace-fold.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,93 @@
1.4 +CodeMirror.registerHelper("fold", "brace", function(cm, start) {
1.5 + var line = start.line, lineText = cm.getLine(line);
1.6 + var startCh, tokenType;
1.7 +
1.8 + function findOpening(openCh) {
1.9 + for (var at = start.ch, pass = 0;;) {
1.10 + var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1);
1.11 + if (found == -1) {
1.12 + if (pass == 1) break;
1.13 + pass = 1;
1.14 + at = lineText.length;
1.15 + continue;
1.16 + }
1.17 + if (pass == 1 && found < start.ch) break;
1.18 + tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
1.19 + if (!/^(comment|string)/.test(tokenType)) return found + 1;
1.20 + at = found - 1;
1.21 + }
1.22 + }
1.23 +
1.24 + var startToken = "{", endToken = "}", startCh = findOpening("{");
1.25 + if (startCh == null) {
1.26 + startToken = "[", endToken = "]";
1.27 + startCh = findOpening("[");
1.28 + }
1.29 +
1.30 + if (startCh == null) return;
1.31 + var count = 1, lastLine = cm.lastLine(), end, endCh;
1.32 + outer: for (var i = line; i <= lastLine; ++i) {
1.33 + var text = cm.getLine(i), pos = i == line ? startCh : 0;
1.34 + for (;;) {
1.35 + var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
1.36 + if (nextOpen < 0) nextOpen = text.length;
1.37 + if (nextClose < 0) nextClose = text.length;
1.38 + pos = Math.min(nextOpen, nextClose);
1.39 + if (pos == text.length) break;
1.40 + if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) {
1.41 + if (pos == nextOpen) ++count;
1.42 + else if (!--count) { end = i; endCh = pos; break outer; }
1.43 + }
1.44 + ++pos;
1.45 + }
1.46 + }
1.47 + if (end == null || line == end && endCh == startCh) return;
1.48 + return {from: CodeMirror.Pos(line, startCh),
1.49 + to: CodeMirror.Pos(end, endCh)};
1.50 +});
1.51 +CodeMirror.braceRangeFinder = CodeMirror.fold.brace; // deprecated
1.52 +
1.53 +CodeMirror.registerHelper("fold", "import", function(cm, start) {
1.54 + function hasImport(line) {
1.55 + if (line < cm.firstLine() || line > cm.lastLine()) return null;
1.56 + var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
1.57 + if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
1.58 + if (start.type != "keyword" || start.string != "import") return null;
1.59 + // Now find closing semicolon, return its position
1.60 + for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
1.61 + var text = cm.getLine(i), semi = text.indexOf(";");
1.62 + if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
1.63 + }
1.64 + }
1.65 +
1.66 + var start = start.line, has = hasImport(start), prev;
1.67 + if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1))
1.68 + return null;
1.69 + for (var end = has.end;;) {
1.70 + var next = hasImport(end.line + 1);
1.71 + if (next == null) break;
1.72 + end = next.end;
1.73 + }
1.74 + return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end};
1.75 +});
1.76 +CodeMirror.importRangeFinder = CodeMirror.fold["import"]; // deprecated
1.77 +
1.78 +CodeMirror.registerHelper("fold", "include", function(cm, start) {
1.79 + function hasInclude(line) {
1.80 + if (line < cm.firstLine() || line > cm.lastLine()) return null;
1.81 + var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
1.82 + if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
1.83 + if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
1.84 + }
1.85 +
1.86 + var start = start.line, has = hasInclude(start);
1.87 + if (has == null || hasInclude(start - 1) != null) return null;
1.88 + for (var end = start;;) {
1.89 + var next = hasInclude(end + 1);
1.90 + if (next == null) break;
1.91 + ++end;
1.92 + }
1.93 + return {from: CodeMirror.Pos(start, has + 1),
1.94 + to: cm.clipPos(CodeMirror.Pos(end))};
1.95 +});
1.96 +CodeMirror.includeRangeFinder = CodeMirror.fold.include; // deprecated
