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| 1 (function() { |
| 2 "use strict"; |
| 3 |
| 4 var noOptions = {}; |
| 5 var nonWS = /[^\s\u00a0]/; |
| 6 var Pos = CodeMirror.Pos; |
| 7 |
| 8 function firstNonWS(str) { |
| 9 var found = str.search(nonWS); |
| 10 return found == -1 ? 0 : found; |
| 11 } |
| 12 |
| 13 CodeMirror.commands.toggleComment = function(cm) { |
| 14 var from = cm.getCursor("start"), to = cm.getCursor("end"); |
| 15 cm.uncomment(from, to) || cm.lineComment(from, to); |
| 16 }; |
| 17 |
| 18 CodeMirror.defineExtension("lineComment", function(from, to, options) { |
| 19 if (!options) options = noOptions; |
| 20 var self = this, mode = CodeMirror.innerMode(self.getMode(), self.getTokenAt
(from).state).mode; |
| 21 var commentString = options.lineComment || mode.lineComment; |
| 22 if (!commentString) { |
| 23 if (options.blockCommentStart || mode.blockCommentStart) { |
| 24 options.fullLines = true; |
| 25 self.blockComment(from, to, options); |
| 26 } |
| 27 return; |
| 28 } |
| 29 var firstLine = self.getLine(from.line); |
| 30 if (firstLine == null) return; |
| 31 var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.lin
e, self.lastLine() + 1); |
| 32 var pad = options.padding == null ? " " : options.padding; |
| 33 var blankLines = options.commentBlankLines; |
| 34 |
| 35 self.operation(function() { |
| 36 if (options.indent) { |
| 37 var baseString = firstLine.slice(0, firstNonWS(firstLine)); |
| 38 for (var i = from.line; i < end; ++i) { |
| 39 var line = self.getLine(i), cut = baseString.length; |
| 40 if (!blankLines && !nonWS.test(line)) continue; |
| 41 if (line.slice(0, cut) != baseString) cut = firstNonWS(line); |
| 42 self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i,
cut)); |
| 43 } |
| 44 } else { |
| 45 for (var i = from.line; i < end; ++i) { |
| 46 if (blankLines || nonWS.test(self.getLine(i))) |
| 47 self.replaceRange(commentString + pad, Pos(i, 0)); |
| 48 } |
| 49 } |
| 50 }); |
| 51 }); |
| 52 |
| 53 CodeMirror.defineExtension("blockComment", function(from, to, options) { |
| 54 if (!options) options = noOptions; |
| 55 var self = this, mode = CodeMirror.innerMode(self.getMode(), self.getTokenAt
(from).state).mode; |
| 56 var startString = options.blockCommentStart || mode.blockCommentStart; |
| 57 var endString = options.blockCommentEnd || mode.blockCommentEnd; |
| 58 if (!startString || !endString) { |
| 59 if ((options.lineComment || mode.lineComment) && options.fullLines != fals
e) |
| 60 self.lineComment(from, to, options); |
| 61 return; |
| 62 } |
| 63 |
| 64 var end = Math.min(to.line, self.lastLine()); |
| 65 if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end; |
| 66 |
| 67 var pad = options.padding == null ? " " : options.padding; |
| 68 if (from.line > end) return; |
| 69 |
| 70 self.operation(function() { |
| 71 if (options.fullLines != false) { |
| 72 var lastLineHasText = nonWS.test(self.getLine(end)); |
| 73 self.replaceRange(pad + endString, Pos(end)); |
| 74 self.replaceRange(startString + pad, Pos(from.line, 0)); |
| 75 var lead = options.blockCommentLead || mode.blockCommentLead; |
| 76 if (lead != null) for (var i = from.line + 1; i <= end; ++i) |
| 77 if (i != end || lastLineHasText) |
| 78 self.replaceRange(lead + pad, Pos(i, 0)); |
| 79 } else { |
| 80 self.replaceRange(endString, to); |
| 81 self.replaceRange(startString, from); |
| 82 } |
| 83 }); |
| 84 }); |
| 85 |
| 86 CodeMirror.defineExtension("uncomment", function(from, to, options) { |
| 87 if (!options) options = noOptions; |
| 88 var self = this, mode = CodeMirror.innerMode(self.getMode(), self.getTokenAt
(from).state).mode; |
| 89 var end = Math.min(to.line, self.lastLine()), start = Math.min(from.line, en
d); |
| 90 |
| 91 // Try finding line comments |
| 92 var lineString = options.lineComment || mode.lineComment, lines = []; |
| 93 var pad = options.padding == null ? " " : options.padding; |
| 94 lineComment: for(;;) { |
| 95 if (!lineString) break; |
| 96 for (var i = start; i <= end; ++i) { |
| 97 var line = self.getLine(i); |
| 98 var found = line.indexOf(lineString); |
| 99 if (found == -1 && (i != end || i == start) && nonWS.test(line)) break l
ineComment; |
| 100 if (i != start && found > -1 && nonWS.test(line.slice(0, found))) break
lineComment; |
| 101 lines.push(line); |
| 102 } |
| 103 self.operation(function() { |
| 104 for (var i = start; i <= end; ++i) { |
| 105 var line = lines[i - start]; |
| 106 var pos = line.indexOf(lineString), endPos = pos + lineString.length; |
| 107 if (pos < 0) continue; |
| 108 if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.leng
th; |
| 109 self.replaceRange("", Pos(i, pos), Pos(i, endPos)); |
| 110 } |
| 111 }); |
| 112 return true; |
| 113 } |
| 114 |
| 115 // Try block comments |
| 116 var startString = options.blockCommentStart || mode.blockCommentStart; |
| 117 var endString = options.blockCommentEnd || mode.blockCommentEnd; |
| 118 if (!startString || !endString) return false; |
| 119 var lead = options.blockCommentLead || mode.blockCommentLead; |
| 120 var startLine = self.getLine(start), endLine = end == start ? startLine : se
lf.getLine(end); |
| 121 var open = startLine.indexOf(startString), close = endLine.lastIndexOf(endSt
ring); |
| 122 if (close == -1 && start != end) { |
| 123 endLine = self.getLine(--end); |
| 124 close = endLine.lastIndexOf(endString); |
| 125 } |
| 126 if (open == -1 || close == -1) return false; |
| 127 |
| 128 self.operation(function() { |
| 129 self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.l
ength, close) == pad ? pad.length : 0)), |
| 130 Pos(end, close + endString.length)); |
| 131 var openEnd = open + startString.length; |
| 132 if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd
+= pad.length; |
| 133 self.replaceRange("", Pos(start, open), Pos(start, openEnd)); |
| 134 if (lead) for (var i = start + 1; i <= end; ++i) { |
| 135 var line = self.getLine(i), found = line.indexOf(lead); |
| 136 if (found == -1 || nonWS.test(line.slice(0, found))) continue; |
| 137 var foundEnd = found + lead.length; |
| 138 if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd
+= pad.length; |
| 139 self.replaceRange("", Pos(i, found), Pos(i, foundEnd)); |
| 140 } |
| 141 }); |
| 142 return true; |
| 143 }); |
| 144 })(); |
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