third-party/codemirror-3.15/addon/edit/continuecomment.js

   1 (function() {
   2   var modes = ["clike", "css", "javascript"];
   3   for (var i = 0; i < modes.length; ++i)
   4     CodeMirror.extendMode(modes[i], {blockCommentStart: "/*",
   5                                      blockCommentEnd: "*/",
   6                                      blockCommentContinue: " * "});
   7
   8   function continueComment(cm) {
   9     var pos = cm.getCursor(), token = cm.getTokenAt(pos);
  10     var mode = CodeMirror.innerMode(cm.getMode(), token.state).mode;
  11     var space;
  12
  13     if (token.type == "comment" && mode.blockCommentStart) {
  14       var end = token.string.indexOf(mode.blockCommentEnd);
  15       var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
  16       if (end != -1 && end == token.string.length - mode.blockCommentEnd.length) {
  17         // Comment ended, don't continue it
  18       } else if (token.string.indexOf(mode.blockCommentStart) == 0) {
  19         space = full.slice(0, token.start);
  20         if (!/^\s*$/.test(space)) {
  21           space = "";
  22           for (var i = 0; i < token.start; ++i) space += " ";
  23         }
  24       } else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
  25                  found + mode.blockCommentContinue.length > token.start &&
  26                  /^\s*$/.test(full.slice(0, found))) {
  27         space = full.slice(0, found);
  28       }
  29     }
  30
  31     if (space != null)
  32       cm.replaceSelection("\n" + space + mode.blockCommentContinue, "end");
  33     else
  34       return CodeMirror.Pass;
  35   }
  36
  37   CodeMirror.defineOption("continueComments", null, function(cm, val, prev) {
  38     if (prev && prev != CodeMirror.Init)
  39       cm.removeKeyMap("continueComment");
  40     var map = {name: "continueComment"};
  41     map[typeof val == "string" ? val : "Enter"] = continueComment;
  42     cm.addKeyMap(map);
  43   });
  44 })();