--- /dev/null
+(function() {
+ "use strict";
+
+ var noOptions = {};
+ var nonWS = /[^\s\u00a0]/;
+ var Pos = CodeMirror.Pos;
+
+ function firstNonWS(str) {
+ var found = str.search(nonWS);
+ return found == -1 ? 0 : found;
+ }
+
+ CodeMirror.commands.toggleComment = function(cm) {
+ var from = cm.getCursor("start"), to = cm.getCursor("end");
+ cm.uncomment(from, to) || cm.lineComment(from, to);
+ };
+
+ CodeMirror.defineExtension("lineComment", function(from, to, options) {
+ if (!options) options = noOptions;
+ var self = this, mode = self.getModeAt(from);
+ var commentString = options.lineComment || mode.lineComment;
+ if (!commentString) {
+ if (options.blockCommentStart || mode.blockCommentStart) {
+ options.fullLines = true;
+ self.blockComment(from, to, options);
+ }
+ return;
+ }
+ var firstLine = self.getLine(from.line);
+ if (firstLine == null) return;
+ var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);
+ var pad = options.padding == null ? " " : options.padding;
+ var blankLines = options.commentBlankLines || from.line == to.line;
+
+ self.operation(function() {
+ if (options.indent) {
+ var baseString = firstLine.slice(0, firstNonWS(firstLine));
+ for (var i = from.line; i < end; ++i) {
+ var line = self.getLine(i), cut = baseString.length;
+ if (!blankLines && !nonWS.test(line)) continue;
+ if (line.slice(0, cut) != baseString) cut = firstNonWS(line);
+ self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut));
+ }
+ } else {
+ for (var i = from.line; i < end; ++i) {
+ if (blankLines || nonWS.test(self.getLine(i)))
+ self.replaceRange(commentString + pad, Pos(i, 0));
+ }
+ }
+ });
+ });
+
+ CodeMirror.defineExtension("blockComment", function(from, to, options) {
+ if (!options) options = noOptions;
+ var self = this, mode = self.getModeAt(from);
+ var startString = options.blockCommentStart || mode.blockCommentStart;
+ var endString = options.blockCommentEnd || mode.blockCommentEnd;
+ if (!startString || !endString) {
+ if ((options.lineComment || mode.lineComment) && options.fullLines != false)
+ self.lineComment(from, to, options);
+ return;
+ }
+
+ var end = Math.min(to.line, self.lastLine());
+ if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end;
+
+ var pad = options.padding == null ? " " : options.padding;
+ if (from.line > end) return;
+
+ self.operation(function() {
+ if (options.fullLines != false) {
+ var lastLineHasText = nonWS.test(self.getLine(end));
+ self.replaceRange(pad + endString, Pos(end));
+ self.replaceRange(startString + pad, Pos(from.line, 0));
+ var lead = options.blockCommentLead || mode.blockCommentLead;
+ if (lead != null) for (var i = from.line + 1; i <= end; ++i)
+ if (i != end || lastLineHasText)
+ self.replaceRange(lead + pad, Pos(i, 0));
+ } else {
+ self.replaceRange(endString, to);
+ self.replaceRange(startString, from);
+ }
+ });
+ });
+
+ CodeMirror.defineExtension("uncomment", function(from, to, options) {
+ if (!options) options = noOptions;
+ var self = this, mode = self.getModeAt(from);
+ var end = Math.min(to.line, self.lastLine()), start = Math.min(from.line, end);
+
+ // Try finding line comments
+ var lineString = options.lineComment || mode.lineComment, lines = [];
+ var pad = options.padding == null ? " " : options.padding, didSomething;
+ lineComment: {
+ if (!lineString) break lineComment;
+ for (var i = start; i <= end; ++i) {
+ var line = self.getLine(i);
+ var found = line.indexOf(lineString);
+ if (found == -1 && (i != end || i == start) && nonWS.test(line)) break lineComment;
+ if (i != start && found > -1 && nonWS.test(line.slice(0, found))) break lineComment;
+ lines.push(line);
+ }
+ self.operation(function() {
+ for (var i = start; i <= end; ++i) {
+ var line = lines[i - start];
+ var pos = line.indexOf(lineString), endPos = pos + lineString.length;
+ if (pos < 0) continue;
+ if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length;
+ didSomething = true;
+ self.replaceRange("", Pos(i, pos), Pos(i, endPos));
+ }
+ });
+ if (didSomething) return true;
+ }
+
+ // Try block comments
+ var startString = options.blockCommentStart || mode.blockCommentStart;
+ var endString = options.blockCommentEnd || mode.blockCommentEnd;
+ if (!startString || !endString) return false;
+ var lead = options.blockCommentLead || mode.blockCommentLead;
+ var startLine = self.getLine(start), endLine = end == start ? startLine : self.getLine(end);
+ var open = startLine.indexOf(startString), close = endLine.lastIndexOf(endString);
+ if (close == -1 && start != end) {
+ endLine = self.getLine(--end);
+ close = endLine.lastIndexOf(endString);
+ }
+ if (open == -1 || close == -1) return false;
+
+ self.operation(function() {
+ self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)),
+ Pos(end, close + endString.length));
+ var openEnd = open + startString.length;
+ if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length;
+ self.replaceRange("", Pos(start, open), Pos(start, openEnd));
+ if (lead) for (var i = start + 1; i <= end; ++i) {
+ var line = self.getLine(i), found = line.indexOf(lead);
+ if (found == -1 || nonWS.test(line.slice(0, found))) continue;
+ var foundEnd = found + lead.length;
+ if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length;
+ self.replaceRange("", Pos(i, found), Pos(i, foundEnd));
+ }
+ });
+ return true;
+ });
+})();