wcfsetup/install/files/js/3rdParty/codemirror/addon/comment/continuecomment.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   var modes = ["clike", "css", "javascript"];
  10
  11   for (var i = 0; i < modes.length; ++i)
  12     CodeMirror.extendMode(modes[i], {blockCommentContinue: " * "});
  13
  14   function continueComment(cm) {
  15     if (cm.getOption("disableInput")) return CodeMirror.Pass;
  16     var ranges = cm.listSelections(), mode, inserts = [];
  17     for (var i = 0; i < ranges.length; i++) {
  18       var pos = ranges[i].head, token = cm.getTokenAt(pos);
  19       if (token.type != "comment") return CodeMirror.Pass;
  20       var modeHere = CodeMirror.innerMode(cm.getMode(), token.state).mode;
  21       if (!mode) mode = modeHere;
  22       else if (mode != modeHere) return CodeMirror.Pass;
  23
  24       var insert = null;
  25       if (mode.blockCommentStart && mode.blockCommentContinue) {
  26         var end = token.string.indexOf(mode.blockCommentEnd);
  27         var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
  28         if (end != -1 && end == token.string.length - mode.blockCommentEnd.length && pos.ch >= end) {
  29           // Comment ended, don't continue it
  30         } else if (token.string.indexOf(mode.blockCommentStart) == 0) {
  31           insert = full.slice(0, token.start);
  32           if (!/^\s*$/.test(insert)) {
  33             insert = "";
  34             for (var j = 0; j < token.start; ++j) insert += " ";
  35           }
  36         } else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
  37                    found + mode.blockCommentContinue.length > token.start &&
  38                    /^\s*$/.test(full.slice(0, found))) {
  39           insert = full.slice(0, found);
  40         }
  41         if (insert != null) insert += mode.blockCommentContinue;
  42       }
  43       if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) {
  44         var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment);
  45         if (found > -1) {
  46           insert = line.slice(0, found);
  47           if (/\S/.test(insert)) insert = null;
  48           else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0];
  49         }
  50       }
  51       if (insert == null) return CodeMirror.Pass;
  52       inserts[i] = "\n" + insert;
  53     }
  54
  55     cm.operation(function() {
  56       for (var i = ranges.length - 1; i >= 0; i--)
  57         cm.replaceRange(inserts[i], ranges[i].from(), ranges[i].to(), "+insert");
  58     });
  59   }
  60
  61   function continueLineCommentEnabled(cm) {
  62     var opt = cm.getOption("continueComments");
  63     if (opt && typeof opt == "object")
  64       return opt.continueLineComment !== false;
  65     return true;
  66   }
  67
  68   CodeMirror.defineOption("continueComments", null, function(cm, val, prev) {
  69     if (prev && prev != CodeMirror.Init)
  70       cm.removeKeyMap("continueComment");
  71     if (val) {
  72       var key = "Enter";
  73       if (typeof val == "string")
  74         key = val;
  75       else if (typeof val == "object" && val.key)
  76         key = val.key;
  77       var map = {name: "continueComment"};
  78       map[key] = continueComment;
  79       cm.addKeyMap(map);
  80     }
  81   });
  82 });