wcfsetup/install/files/js/3rdParty/codemirror/addon/comment/comment.js

   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";
  10
  11   var noOptions = {};
  12   var nonWS = /[^\s\u00a0]/;
  13   var Pos = CodeMirror.Pos;
  14
  15   function firstNonWS(str) {
  16     var found = str.search(nonWS);
  17     return found == -1 ? 0 : found;
  18   }
  19
  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   };
  37
  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;
  54
  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   });
  72
  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     }
  83
  84     var end = Math.min(to.line, self.lastLine());
  85     if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end;
  86
  87     var pad = options.padding == null ? " " : options.padding;
  88     if (from.line > end) return;
  89
  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   });
 105
 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);
 110
 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     }
 136
 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;
 152
 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 });