browser/devtools/sourceeditor/codemirror/comment.js@b8a032363ba2
browser/devtools/sourceeditor/codemirror/comment.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 (function(mod) {
2 if (typeof exports == "object" && typeof module == "object") // CommonJS
3 mod(require("../../lib/codemirror"));
4 else if (typeof define == "function" && define.amd) // AMD
5 define(["../../lib/codemirror"], mod);
6 else // Plain browser env
7 mod(CodeMirror);
8 })(function(CodeMirror) {
9 "use strict";
11 var noOptions = {};
12 var nonWS = /[^\s\u00a0]/;
13 var Pos = CodeMirror.Pos;
15 function firstNonWS(str) {
16 var found = str.search(nonWS);
17 return found == -1 ? 0 : found;
18 }
20 CodeMirror.commands.toggleComment = function(cm) {
21 var minLine = Infinity, ranges = cm.listSelections(), mode = null;
22 for (var i = ranges.length - 1; i >= 0; i--) {
23 var from = ranges[i].from(), to = ranges[i].to();
24 if (from.line >= minLine) continue;
25 if (to.line >= minLine) to = Pos(minLine, 0);
26 minLine = from.line;
27 if (mode == null) {
28 if (cm.uncomment(from, to)) mode = "un";
29 else { cm.lineComment(from, to); mode = "line"; }
30 } else if (mode == "un") {
31 cm.uncomment(from, to);
32 } else {
33 cm.lineComment(from, to);
34 }
35 }
36 };
38 CodeMirror.defineExtension("lineComment", function(from, to, options) {
39 if (!options) options = noOptions;
40 var self = this, mode = self.getModeAt(from);
41 var commentString = options.lineComment || mode.lineComment;
42 if (!commentString) {
43 if (options.blockCommentStart || mode.blockCommentStart) {
44 options.fullLines = true;
45 self.blockComment(from, to, options);
46 }
47 return;
48 }
49 var firstLine = self.getLine(from.line);
50 if (firstLine == null) return;
51 var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);
52 var pad = options.padding == null ? " " : options.padding;
53 var blankLines = options.commentBlankLines || from.line == to.line;
55 self.operation(function() {
56 if (options.indent) {
57 var baseString = firstLine.slice(0, firstNonWS(firstLine));
58 for (var i = from.line; i < end; ++i) {
59 var line = self.getLine(i), cut = baseString.length;
60 if (!blankLines && !nonWS.test(line)) continue;
61 if (line.slice(0, cut) != baseString) cut = firstNonWS(line);
62 self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut));
63 }
64 } else {
65 for (var i = from.line; i < end; ++i) {
66 if (blankLines || nonWS.test(self.getLine(i)))
67 self.replaceRange(commentString + pad, Pos(i, 0));
68 }
69 }
70 });
71 });
73 CodeMirror.defineExtension("blockComment", function(from, to, options) {
74 if (!options) options = noOptions;
75 var self = this, mode = self.getModeAt(from);
76 var startString = options.blockCommentStart || mode.blockCommentStart;
77 var endString = options.blockCommentEnd || mode.blockCommentEnd;
78 if (!startString || !endString) {
79 if ((options.lineComment || mode.lineComment) && options.fullLines != false)
80 self.lineComment(from, to, options);
81 return;
82 }
84 var end = Math.min(to.line, self.lastLine());
85 if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end;
87 var pad = options.padding == null ? " " : options.padding;
88 if (from.line > end) return;
90 self.operation(function() {
91 if (options.fullLines != false) {
92 var lastLineHasText = nonWS.test(self.getLine(end));
93 self.replaceRange(pad + endString, Pos(end));
94 self.replaceRange(startString + pad, Pos(from.line, 0));
95 var lead = options.blockCommentLead || mode.blockCommentLead;
96 if (lead != null) for (var i = from.line + 1; i <= end; ++i)
97 if (i != end || lastLineHasText)
98 self.replaceRange(lead + pad, Pos(i, 0));
99 } else {
100 self.replaceRange(endString, to);
101 self.replaceRange(startString, from);
102 }
103 });
104 });
106 CodeMirror.defineExtension("uncomment", function(from, to, options) {
107 if (!options) options = noOptions;
108 var self = this, mode = self.getModeAt(from);
109 var end = Math.min(to.line, self.lastLine()), start = Math.min(from.line, end);
111 // Try finding line comments
112 var lineString = options.lineComment || mode.lineComment, lines = [];
113 var pad = options.padding == null ? " " : options.padding, didSomething;
114 lineComment: {
115 if (!lineString) break lineComment;
116 for (var i = start; i <= end; ++i) {
117 var line = self.getLine(i);
118 var found = line.indexOf(lineString);
119 if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1;
120 if (found == -1 && (i != end || i == start) && nonWS.test(line)) break lineComment;
121 if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment;
122 lines.push(line);
123 }
124 self.operation(function() {
125 for (var i = start; i <= end; ++i) {
126 var line = lines[i - start];
127 var pos = line.indexOf(lineString), endPos = pos + lineString.length;
128 if (pos < 0) continue;
129 if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length;
130 didSomething = true;
131 self.replaceRange("", Pos(i, pos), Pos(i, endPos));
132 }
133 });
134 if (didSomething) return true;
135 }
137 // Try block comments
138 var startString = options.blockCommentStart || mode.blockCommentStart;
139 var endString = options.blockCommentEnd || mode.blockCommentEnd;
140 if (!startString || !endString) return false;
141 var lead = options.blockCommentLead || mode.blockCommentLead;
142 var startLine = self.getLine(start), endLine = end == start ? startLine : self.getLine(end);
143 var open = startLine.indexOf(startString), close = endLine.lastIndexOf(endString);
144 if (close == -1 && start != end) {
145 endLine = self.getLine(--end);
146 close = endLine.lastIndexOf(endString);
147 }
148 if (open == -1 || close == -1 ||
149 !/comment/.test(self.getTokenTypeAt(Pos(start, open + 1))) ||
150 !/comment/.test(self.getTokenTypeAt(Pos(end, close + 1))))
151 return false;
153 self.operation(function() {
154 self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)),
155 Pos(end, close + endString.length));
156 var openEnd = open + startString.length;
157 if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length;
158 self.replaceRange("", Pos(start, open), Pos(start, openEnd));
159 if (lead) for (var i = start + 1; i <= end; ++i) {
160 var line = self.getLine(i), found = line.indexOf(lead);
161 if (found == -1 || nonWS.test(line.slice(0, found))) continue;
162 var foundEnd = found + lead.length;
163 if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length;
164 self.replaceRange("", Pos(i, found), Pos(i, foundEnd));
165 }
166 });
167 return true;
168 });
169 });
