StudentInformationManagement/X-admin/editormd/lib/codemirror/addon/comment/continuecomment.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  var modes = ["clike", "css", "javascript"];

  for (var i = 0; i < modes.length; ++i)
    CodeMirror.extendMode(modes[i], {blockCommentContinue: " * "});

  function continueComment(cm) {
    if (cm.getOption("disableInput")) return CodeMirror.Pass;
    var ranges = cm.listSelections(), mode, inserts = [];
    for (var i = 0; i < ranges.length; i++) {
      var pos = ranges[i].head, token = cm.getTokenAt(pos);
      if (token.type != "comment") return CodeMirror.Pass;
      var modeHere = CodeMirror.innerMode(cm.getMode(), token.state).mode;
      if (!mode) mode = modeHere;
      else if (mode != modeHere) return CodeMirror.Pass;

      var insert = null;
      if (mode.blockCommentStart && mode.blockCommentContinue) {
        var end = token.string.indexOf(mode.blockCommentEnd);
        var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
        if (end != -1 && end == token.string.length - mode.blockCommentEnd.length && pos.ch >= end) {
          // Comment ended, don't continue it
        } else if (token.string.indexOf(mode.blockCommentStart) == 0) {
          insert = full.slice(0, token.start);
          if (!/^\s*$/.test(insert)) {
            insert = "";
            for (var j = 0; j < token.start; ++j) insert += " ";
          }
        } else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
                   found + mode.blockCommentContinue.length > token.start &&
                   /^\s*$/.test(full.slice(0, found))) {
          insert = full.slice(0, found);
        }
        if (insert != null) insert += mode.blockCommentContinue;
      }
      if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) {
        var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment);
        if (found > -1) {
          insert = line.slice(0, found);
          if (/\S/.test(insert)) insert = null;
          else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0];
        }
      }
      if (insert == null) return CodeMirror.Pass;
      inserts[i] = "\n" + insert;
    }

    cm.operation(function() {
      for (var i = ranges.length - 1; i >= 0; i--)
        cm.replaceRange(inserts[i], ranges[i].from(), ranges[i].to(), "+insert");