1// CodeMirror, copyright (c) by Marijn Haverbeke and others 2// Distributed under an MIT license: http://codemirror.net/LICENSE 3 4(function(mod) { 5 if (typeof exports == "object" && typeof module == "object") // CommonJS 6 mod(require("../../lib/codemirror")); 7 else if (typeof define == "function" && define.amd) // AMD 8 define(["../../lib/codemirror"], mod); 9 else // Plain browser env 10 mod(CodeMirror); 11})(function(CodeMirror) { 12 "use strict"; 13 14 var noOptions = {}; 15 var nonWS = /[^\s\u00a0]/; 16 var Pos = CodeMirror.Pos; 17 18 function firstNonWS(str) { 19 var found = str.search(nonWS); 20 return found == -1 ? 0 : found; 21 } 22 23 CodeMirror.commands.toggleComment = function(cm) { 24 var minLine = Infinity, ranges = cm.listSelections(), mode = null; 25 for (var i = ranges.length - 1; i >= 0; i--) { 26 var from = ranges[i].from(), to = ranges[i].to(); 27 if (from.line >= minLine) continue; 28 if (to.line >= minLine) to = Pos(minLine, 0); 29 minLine = from.line; 30 if (mode == null) { 31 if (cm.uncomment(from, to)) mode = "un"; 32 else { cm.lineComment(from, to); mode = "line"; } 33 } else if (mode == "un") { 34 cm.uncomment(from, to); 35 } else { 36 cm.lineComment(from, to); 37 } 38 } 39 }; 40 41 CodeMirror.defineExtension("lineComment", function(from, to, options) { 42 if (!options) options = noOptions; 43 var self = this, mode = self.getModeAt(from); 44 var commentString = options.lineComment || mode.lineComment; 45 if (!commentString) { 46 if (options.blockCommentStart || mode.blockCommentStart) { 47 options.fullLines = true; 48 self.blockComment(from, to, options); 49 } 50 return; 51 } 52 var firstLine = self.getLine(from.line); 53 if (firstLine == null) return; 54 var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1); 55 var pad = options.padding == null ? " " : options.padding; 56 var blankLines = options.commentBlankLines || from.line == to.line; 57 58 self.operation(function() { 59 if (options.indent) { 60 var baseString = firstLine.slice(0, firstNonWS(firstLine)); 61 for (var i = from.line; i < end; ++i) { 62 var line = self.getLine(i), cut = baseString.length; 63 if (!blankLines && !nonWS.test(line)) continue; 64 if (line.slice(0, cut) != baseString) cut = firstNonWS(line); 65 self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut)); 66 } 67 } else { 68 for (var i = from.line; i < end; ++i) { 69 if (blankLines || nonWS.test(self.getLine(i))) 70 self.replaceRange(commentString + pad, Pos(i, 0)); 71 } 72 } 73 }); 74 }); 75 76 CodeMirror.defineExtension("blockComment", function(from, to, options) { 77 if (!options) options = noOptions; 78 var self = this, mode = self.getModeAt(from); 79 var startString = options.blockCommentStart || mode.blockCommentStart; 80 var endString = options.blockCommentEnd || mode.blockCommentEnd; 81 if (!startString || !endString) { 82 if ((options.lineComment || mode.lineComment) && options.fullLines != false) 83 self.lineComment(from, to, options); 84 return; 85 } 86 87 var end = Math.min(to.line, self.lastLine()); 88 if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end; 89 90 var pad = options.padding == null ? " " : options.padding; 91 if (from.line > end) return; 92 93 self.operation(function() { 94 if (options.fullLines != false) { 95 var lastLineHasText = nonWS.test(self.getLine(end)); 96 self.replaceRange(pad + endString, Pos(end)); 97 self.replaceRange(startString + pad, Pos(from.line, 0)); 98 var lead = options.blockCommentLead || mode.blockCommentLead; 99 if (lead != null) for (var i = from.line + 1; i <= end; ++i) 100 if (i != end || lastLineHasText) 101 self.replaceRange(lead + pad, Pos(i, 0)); 102 } else { 103 self.replaceRange(endString, to); 104 self.replaceRange(startString, from); 105 } 106 }); 107 }); 108 109 CodeMirror.defineExtension("uncomment", function(from, to, options) { 110 if (!options) options = noOptions; 111 var self = this, mode = self.getModeAt(from); 112 var end = Math.min(to.line, self.lastLine()), start = Math.min(from.line, end); 113 114 // Try finding line comments 115 var lineString = options.lineComment || mode.lineComment, lines = []; 116 var pad = options.padding == null ? " " : options.padding, didSomething; 117 lineComment: { 118 if (!lineString) break lineComment; 119 for (var i = start; i <= end; ++i) { 120 var line = self.getLine(i); 121 var found = line.indexOf(lineString); 122 if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1; 123 if (found == -1 && (i != end || i == start) && nonWS.test(line)) break lineComment; 124 if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment; 125 lines.push(line); 126 } 127 self.operation(function() { 128 for (var i = start; i <= end; ++i) { 129 var line = lines[i - start]; 130 var pos = line.indexOf(lineString), endPos = pos + lineString.length; 131 if (pos < 0) continue; 132 if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length; 133 didSomething = true; 134 self.replaceRange("", Pos(i, pos), Pos(i, endPos)); 135 } 136 }); 137 if (didSomething) return true; 138 } 139 140 // Try block comments 141 var startString = options.blockCommentStart || mode.blockCommentStart; 142 var endString = options.blockCommentEnd || mode.blockCommentEnd; 143 if (!startString || !endString) return false; 144 var lead = options.blockCommentLead || mode.blockCommentLead; 145 var startLine = self.getLine(start), endLine = end == start ? startLine : self.getLine(end); 146 var open = startLine.indexOf(startString), close = endLine.lastIndexOf(endString); 147 if (close == -1 && start != end) { 148 endLine = self.getLine(--end); 149 close = endLine.lastIndexOf(endString); 150 } 151 if (open == -1 || close == -1 || 152 !/comment/.test(self.getTokenTypeAt(Pos(start, open + 1))) || 153 !/comment/.test(self.getTokenTypeAt(Pos(end, close + 1)))) 154 return false; 155 156 self.operation(function() { 157 self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)), 158 Pos(end, close + endString.length)); 159 var openEnd = open + startString.length; 160 if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length; 161 self.replaceRange("", Pos(start, open), Pos(start, openEnd)); 162 if (lead) for (var i = start + 1; i <= end; ++i) { 163 var line = self.getLine(i), found = line.indexOf(lead); 164 if (found == -1 || nonWS.test(line.slice(0, found))) continue; 165 var foundEnd = found + lead.length; 166 if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length; 167 self.replaceRange("", Pos(i, found), Pos(i, foundEnd)); 168 } 169 }); 170 return true; 171 }); 172}); 173