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// CodeMirror, copyright (c) by Marijn Haverbeke and others |
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// Distributed under an MIT license: http://codemirror.net/LICENSE |
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|
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(function(mod) { |
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if (typeof exports == "object" && typeof module == "object") // CommonJS |
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mod(require("../../lib/codemirror")); |
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else if (typeof define == "function" && define.amd) // AMD |
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define(["../../lib/codemirror"], mod); |
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else // Plain browser env |
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mod(CodeMirror); |
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})(function(CodeMirror) { |
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"use strict"; |
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|
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var noOptions = {}; |
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var nonWS = /[^\s\u00a0]/; |
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var Pos = CodeMirror.Pos; |
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|
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function firstNonWS(str) { |
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var found = str.search(nonWS); |
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return found == -1 ? 0 : found; |
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} |
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|
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CodeMirror.commands.toggleComment = function(cm) { |
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cm.toggleComment(); |
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}; |
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|
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CodeMirror.defineExtension("toggleComment", function(options) { |
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if (!options) options = noOptions; |
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var cm = this; |
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var minLine = Infinity, ranges = this.listSelections(), mode = null; |
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for (var i = ranges.length - 1; i >= 0; i--) { |
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var from = ranges[i].from(), to = ranges[i].to(); |
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if (from.line >= minLine) continue; |
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if (to.line >= minLine) to = Pos(minLine, 0); |
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minLine = from.line; |
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if (mode == null) { |
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if (cm.uncomment(from, to, options)) mode = "un"; |
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else { cm.lineComment(from, to, options); mode = "line"; } |
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} else if (mode == "un") { |
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cm.uncomment(from, to, options); |
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} else { |
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cm.lineComment(from, to, options); |
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} |
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} |
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}); |
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|
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// Rough heuristic to try and detect lines that are part of multi-line string |
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function probablyInsideString(cm, pos, line) { |
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return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"\`]/.test(line) |
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} |
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|
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function getMode(cm, pos) { |
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var mode = cm.getMode() |
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return mode.useInnerComments === false || !mode.innerMode ? mode : cm.getModeAt(pos) |
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} |
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|
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CodeMirror.defineExtension("lineComment", function(from, to, options) { |
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if (!options) options = noOptions; |
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var self = this, mode = getMode(self, from); |
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var firstLine = self.getLine(from.line); |
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if (firstLine == null || probablyInsideString(self, from, firstLine)) return; |
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|
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var commentString = options.lineComment || mode.lineComment; |
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if (!commentString) { |
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if (options.blockCommentStart || mode.blockCommentStart) { |
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options.fullLines = true; |
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self.blockComment(from, to, options); |
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} |
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return; |
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} |
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|
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var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1); |
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var pad = options.padding == null ? " " : options.padding; |
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var blankLines = options.commentBlankLines || from.line == to.line; |
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|
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self.operation(function() { |
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if (options.indent) { |
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var baseString = null; |
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for (var i = from.line; i < end; ++i) { |
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var line = self.getLine(i); |
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var whitespace = line.slice(0, firstNonWS(line)); |
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if (baseString == null || baseString.length > whitespace.length) { |
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baseString = whitespace; |
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} |
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} |
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for (var i = from.line; i < end; ++i) { |
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var line = self.getLine(i), cut = baseString.length; |
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if (!blankLines && !nonWS.test(line)) continue; |
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if (line.slice(0, cut) != baseString) cut = firstNonWS(line); |
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self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut)); |
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} |
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} else { |
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for (var i = from.line; i < end; ++i) { |
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if (blankLines || nonWS.test(self.getLine(i))) |
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self.replaceRange(commentString + pad, Pos(i, 0)); |
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} |
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} |
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}); |
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}); |
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|
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CodeMirror.defineExtension("blockComment", function(from, to, options) { |
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if (!options) options = noOptions; |
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var self = this, mode = getMode(self, from); |
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var startString = options.blockCommentStart || mode.blockCommentStart; |
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var endString = options.blockCommentEnd || mode.blockCommentEnd; |
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if (!startString || !endString) { |
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if ((options.lineComment || mode.lineComment) && options.fullLines != false) |
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self.lineComment(from, to, options); |
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return; |
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} |
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if (/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line, 0)))) return |
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|
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var end = Math.min(to.line, self.lastLine()); |
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if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end; |
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|
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var pad = options.padding == null ? " " : options.padding; |
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if (from.line > end) return; |
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|
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self.operation(function() { |
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if (options.fullLines != false) { |
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var lastLineHasText = nonWS.test(self.getLine(end)); |
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self.replaceRange(pad + endString, Pos(end)); |
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self.replaceRange(startString + pad, Pos(from.line, 0)); |
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var lead = options.blockCommentLead || mode.blockCommentLead; |
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if (lead != null) for (var i = from.line + 1; i <= end; ++i) |
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if (i != end || lastLineHasText) |
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self.replaceRange(lead + pad, Pos(i, 0)); |
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} else { |
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self.replaceRange(endString, to); |
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self.replaceRange(startString, from); |
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} |
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}); |
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}); |
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|
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CodeMirror.defineExtension("uncomment", function(from, to, options) { |
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if (!options) options = noOptions; |
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var self = this, mode = getMode(self, from); |
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var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end); |
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|
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// Try finding line comments |
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var lineString = options.lineComment || mode.lineComment, lines = []; |
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var pad = options.padding == null ? " " : options.padding, didSomething; |
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lineComment: { |
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if (!lineString) break lineComment; |
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for (var i = start; i <= end; ++i) { |
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var line = self.getLine(i); |
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var found = line.indexOf(lineString); |
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if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1; |
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if (found == -1 && nonWS.test(line)) break lineComment; |
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if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment; |
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lines.push(line); |
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} |
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self.operation(function() { |
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for (var i = start; i <= end; ++i) { |
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var line = lines[i - start]; |
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var pos = line.indexOf(lineString), endPos = pos + lineString.length; |
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if (pos < 0) continue; |
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if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length; |
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didSomething = true; |
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self.replaceRange("", Pos(i, pos), Pos(i, endPos)); |
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} |
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}); |
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if (didSomething) return true; |
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} |
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|
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// Try block comments |
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var startString = options.blockCommentStart || mode.blockCommentStart; |
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var endString = options.blockCommentEnd || mode.blockCommentEnd; |
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if (!startString || !endString) return false; |
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var lead = options.blockCommentLead || mode.blockCommentLead; |
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var startLine = self.getLine(start), open = startLine.indexOf(startString) |
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if (open == -1) return false |
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var endLine = end == start ? startLine : self.getLine(end) |
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var close = endLine.indexOf(endString, end == start ? open + startString.length : 0); |
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var insideStart = Pos(start, open + 1), insideEnd = Pos(end, close + 1) |
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if (close == -1 || |
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!/comment/.test(self.getTokenTypeAt(insideStart)) || |
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!/comment/.test(self.getTokenTypeAt(insideEnd)) || |
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self.getRange(insideStart, insideEnd, "\n").indexOf(endString) > -1) |
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return false; |
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|
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// Avoid killing block comments completely outside the selection. |
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// Positions of the last startString before the start of the selection, and the first endString after it. |
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var lastStart = startLine.lastIndexOf(startString, from.ch); |
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var firstEnd = lastStart == -1 ? -1 : startLine.slice(0, from.ch).indexOf(endString, lastStart + startString.length); |
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if (lastStart != -1 && firstEnd != -1 && firstEnd + endString.length != from.ch) return false; |
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// Positions of the first endString after the end of the selection, and the last startString before it. |
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firstEnd = endLine.indexOf(endString, to.ch); |
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var almostLastStart = endLine.slice(to.ch).lastIndexOf(startString, firstEnd - to.ch); |
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lastStart = (firstEnd == -1 || almostLastStart == -1) ? -1 : to.ch + almostLastStart; |
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if (firstEnd != -1 && lastStart != -1 && lastStart != to.ch) return false; |
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|
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self.operation(function() { |
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self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)), |
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Pos(end, close + endString.length)); |
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var openEnd = open + startString.length; |
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if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length; |
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self.replaceRange("", Pos(start, open), Pos(start, openEnd)); |
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if (lead) for (var i = start + 1; i <= end; ++i) { |
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var line = self.getLine(i), found = line.indexOf(lead); |
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if (found == -1 || nonWS.test(line.slice(0, found))) continue; |
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var foundEnd = found + lead.length; |
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if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length; |
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self.replaceRange("", Pos(i, found), Pos(i, foundEnd)); |
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} |
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}); |
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return true; |
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}); |
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}); |
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