main

// 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) {

  "use strict";

​

  var Pos = CodeMirror.Pos;

  function cmp(a, b) { return a.line - b.line || a.ch - b.ch; }

​

  var nameStartChar = "A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";

  var nameChar = nameStartChar + "\-\:\.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";

  var xmlTagStart = new RegExp("<(/?)([" + nameStartChar + "][" + nameChar + "]*)", "g");

​

  function Iter(cm, line, ch, range) {

    this.line = line; this.ch = ch;

    this.cm = cm; this.text = cm.getLine(line);

    this.min = range ? Math.max(range.from, cm.firstLine()) : cm.firstLine();

    this.max = range ? Math.min(range.to - 1, cm.lastLine()) : cm.lastLine();

  }

​

  function tagAt(iter, ch) {

    var type = iter.cm.getTokenTypeAt(Pos(iter.line, ch));

    return type && /\btag\b/.test(type);

  }

​

  function nextLine(iter) {

    if (iter.line >= iter.max) return;

    iter.ch = 0;

    iter.text = iter.cm.getLine(++iter.line);

    return true;

  }

  function prevLine(iter) {

    if (iter.line <= iter.min) return;

    iter.text = iter.cm.getLine(--iter.line);

    iter.ch = iter.text.length;

    return true;

  }

​

  function toTagEnd(iter) {

    for (;;) {

      var gt = iter.text.indexOf(">", iter.ch);

      if (gt == -1) { if (nextLine(iter)) continue; else return; }

      if (!tagAt(iter, gt + 1)) { iter.ch = gt + 1; continue; }

      var lastSlash = iter.text.lastIndexOf("/", gt);

      var selfClose = lastSlash > -1 && !/\S/.test(iter.text.slice(lastSlash + 1, gt));

      iter.ch = gt + 1;

      return selfClose ? "selfClose" : "regular";

    }

  }

  function toTagStart(iter) {

    for (;;) {

      var lt = iter.ch ? iter.text.lastIndexOf("<", iter.ch - 1) : -1;

      if (lt == -1) { if (prevLine(iter)) continue; else return; }

      if (!tagAt(iter, lt + 1)) { iter.ch = lt; continue; }

      xmlTagStart.lastIndex = lt;

      iter.ch = lt;