// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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 WRAP_CLASS = "CodeMirror-activeline";
  var BACK_CLASS = "CodeMirror-activeline-background";
  var GUTT_CLASS = "CodeMirror-activeline-gutter";

  CodeMirror.defineOption("styleActiveLine", false, function(cm, val, old) {
    var prev = old == CodeMirror.Init ? false : old;
    if (val == prev) return
    if (prev) {
      cm.off("beforeSelectionChange", selectionChange);
      clearActiveLines(cm);
      delete cm.state.activeLines;
    }
    if (val) {
      cm.state.activeLines = [];
      updateActiveLines(cm, cm.listSelections());
      cm.on("beforeSelectionChange", selectionChange);
    }
  });

  function clearActiveLines(cm) {
    for (var i = 0; i < cm.state.activeLines.length; i++) {
      cm.removeLineClass(cm.state.activeLines[i], "wrap", WRAP_CLASS);
      cm.removeLineClass(cm.state.activeLines[i], "background", BACK_CLASS);
      cm.removeLineClass(cm.state.activeLines[i], "gutter", GUTT_CLASS);
    }
  }

  function sameArray(a, b) {
    if (a.length != b.length) return false;
    for (var i = 0; i < a.length; i++)
      if (a[i] != b[i]) return false;
    return true;
  }

  function updateActiveLines(cm, ranges) {
    var active = [];
    for (var i = 0; i < ranges.length; i++) {
      var range = ranges[i];
      var option = cm.getOption("styleActiveLine");
      if (typeof option == "object" && option.nonEmpty ? range.anchor.line != range.head.line : !range.empty())
        continue
      var line = cm.getLineHandleVisualStart(range.head.line);
      if (active[active.length - 1] != line) active.push(line);
    }
    if (sameArray(cm.state.activeLines, active)) return;
    cm.operation(function() {
      clearActiveLines(cm);
      for (var i = 0; i < active.length; i++) {
        cm.addLineClass(active[i], "wrap", WRAP_CLASS);
        cm.addLineClass(active[i], "background", BACK_CLASS);
        cm.addLineClass(active[i], "gutter", GUTT_CLASS);
      }
      cm.state.activeLines = active;
    });
  }

  function selectionChange(cm, sel) {
    updateActiveLines(cm, sel.ranges);
  }
});




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

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"), require("../fold/xml-fold"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror", "../fold/xml-fold"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

  CodeMirror.defineOption("matchTags", false, function(cm, val, old) {
    if (old && old != CodeMirror.Init) {
      cm.off("cursorActivity", doMatchTags);
      cm.off("viewportChange", maybeUpdateMatch);
      clear(cm);
    }
    if (val) {
      cm.state.matchBothTags = typeof val == "object" && val.bothTags;
      cm.on("cursorActivity", doMatchTags);
      cm.on("viewportChange", maybeUpdateMatch);
      doMatchTags(cm);
    }
  });

  function clear(cm) {
    if (cm.state.tagHit) cm.state.tagHit.clear();
    if (cm.state.tagOther) cm.state.tagOther.clear();
    cm.state.tagHit = cm.state.tagOther = null;
  }

  function doMatchTags(cm) {
    cm.state.failedTagMatch = false;
    cm.operation(function() {
      clear(cm);
      if (cm.somethingSelected()) return;
      var cur = cm.getCursor(), range = cm.getViewport();
      range.from = Math.min(range.from, cur.line); range.to = Math.max(cur.line + 1, range.to);
      var match = CodeMirror.findMatchingTag(cm, cur, range);
      if (!match) return;
      if (cm.state.matchBothTags) {
        var hit = match.at == "open" ? match.open : match.close;
        if (hit) cm.state.tagHit = cm.markText(hit.from, hit.to, {className: "CodeMirror-matchingtag"});
      }
      var other = match.at == "close" ? match.open : match.close;
      if (other)
        cm.state.tagOther = cm.markText(other.from, other.to, {className: "CodeMirror-matchingtag"});
      else
        cm.state.failedTagMatch = true;
    });
  }

  function maybeUpdateMatch(cm) {
    if (cm.state.failedTagMatch) doMatchTags(cm);
  }

  CodeMirror.commands.toMatchingTag = function(cm) {
    var found = CodeMirror.findMatchingTag(cm, cm.getCursor());
    if (found) {
      var other = found.at == "close" ? found.open : found.close;
      if (other) cm.extendSelection(other.to, other.from);
    }
  };
});




/**** show-hint.js ****/
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

// declare global: DOMRect

(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 HINT_ELEMENT_CLASS        = "CodeMirror-hint";
  var ACTIVE_HINT_ELEMENT_CLASS = "CodeMirror-hint-active";

  // This is the old interface, kept around for now to stay
  // backwards-compatible.
  CodeMirror.showHint = function(cm, getHints, options) {
    if (!getHints) return cm.showHint(options);
    if (options && options.async) getHints.async = true;
    var newOpts = {hint: getHints};
    if (options) for (var prop in options) newOpts[prop] = options[prop];
    return cm.showHint(newOpts);
  };

  CodeMirror.defineExtension("showHint", function(options) {
    options = parseOptions(this, this.getCursor("start"), options);
    var selections = this.listSelections()
    if (selections.length > 1) return;
    // By default, don't allow completion when something is selected.
    // A hint function can have a `supportsSelection` property to
    // indicate that it can handle selections.
    if (this.somethingSelected()) {
      if (!options.hint.supportsSelection) return;
      // Don't try with cross-line selections
      for (var i = 0; i < selections.length; i++)
        if (selections[i].head.line != selections[i].anchor.line) return;
    }

    if (this.state.completionActive) this.state.completionActive.close();
    var completion = this.state.completionActive = new Completion(this, options);
    if (!completion.options.hint) return;

    CodeMirror.signal(this, "startCompletion", this);
    completion.update(true);
  });

  CodeMirror.defineExtension("closeHint", function() {
    if (this.state.completionActive) this.state.completionActive.close()
  })

  function Completion(cm, options) {
    this.cm = cm;
    this.options = options;
    this.widget = null;
    this.debounce = 0;
    this.tick = 0;
    this.startPos = this.cm.getCursor("start");
    this.startLen = this.cm.getLine(this.startPos.line).length - this.cm.getSelection().length;

    if (this.options.updateOnCursorActivity) {
      var self = this;
      cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); });
    }
  }

  var requestAnimationFrame = window.requestAnimationFrame || function(fn) {
    return setTimeout(fn, 1000/60);
  };
  var cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout;

  Completion.prototype = {
    close: function() {
      if (!this.active()) return;
      this.cm.state.completionActive = null;
      this.tick = null;
      if (this.options.updateOnCursorActivity) {
        this.cm.off("cursorActivity", this.activityFunc);
      }

      if (this.widget && this.data) CodeMirror.signal(this.data, "close");
      if (this.widget) this.widget.close();
      CodeMirror.signal(this.cm, "endCompletion", this.cm);
    },

    active: function() {
      return this.cm.state.completionActive == this;
    },

    pick: function(data, i) {
      var completion = data.list[i], self = this;
      this.cm.operation(function() {
        if (completion.hint)
          completion.hint(self.cm, data, completion);
        else
          self.cm.replaceRange(getText(completion), completion.from || data.from,
                               completion.to || data.to, "complete");
        CodeMirror.signal(data, "pick", completion);
        self.cm.scrollIntoView();
      });
      if (this.options.closeOnPick) {
        this.close();
      }
    },

    cursorActivity: function() {
      if (this.debounce) {
        cancelAnimationFrame(this.debounce);
        this.debounce = 0;
      }

      var identStart = this.startPos;
      if(this.data) {
        identStart = this.data.from;
      }

      var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line);
      if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch ||
          pos.ch < identStart.ch || this.cm.somethingSelected() ||
          (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
        this.close();
      } else {
        var self = this;
        this.debounce = requestAnimationFrame(function() {self.update();});
        if (this.widget) this.widget.disable();
      }
    },

    update: function(first) {
      if (this.tick == null) return
      var self = this, myTick = ++this.tick
      fetchHints(this.options.hint, this.cm, this.options, function(data) {
        if (self.tick == myTick) self.finishUpdate(data, first)
      })
    },

    finishUpdate: function(data, first) {
      if (this.data) CodeMirror.signal(this.data, "update");

      var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle);
      if (this.widget) this.widget.close();

      this.data = data;

      if (data && data.list.length) {
        if (picked && data.list.length == 1) {
          this.pick(data, 0);
        } else {
          this.widget = new Widget(this, data);
          CodeMirror.signal(data, "shown");
        }
      }
    }
  };

  function parseOptions(cm, pos, options) {
    var editor = cm.options.hintOptions;
    var out = {};
    for (var prop in defaultOptions) out[prop] = defaultOptions[prop];
    if (editor) for (var prop in editor)
      if (editor[prop] !== undefined) out[prop] = editor[prop];
    if (options) for (var prop in options)
      if (options[prop] !== undefined) out[prop] = options[prop];
    if (out.hint.resolve) out.hint = out.hint.resolve(cm, pos)
    return out;
  }

  function getText(completion) {
    if (typeof completion == "string") return completion;
    else return completion.text;
  }

  function buildKeyMap(completion, handle) {
    var baseMap = {
      Up: function() {handle.moveFocus(-1);},
      Down: function() {handle.moveFocus(1);},
      PageUp: function() {handle.moveFocus(-handle.menuSize() + 1, true);},
      PageDown: function() {handle.moveFocus(handle.menuSize() - 1, true);},
      Home: function() {handle.setFocus(0);},
      End: function() {handle.setFocus(handle.length - 1);},
      Enter: handle.pick,
      Tab: handle.pick,
      Esc: handle.close
    };

    var mac = /Mac/.test(navigator.platform);

    if (mac) {
      baseMap["Ctrl-P"] = function() {handle.moveFocus(-1);};
      baseMap["Ctrl-N"] = function() {handle.moveFocus(1);};
    }

    var custom = completion.options.customKeys;
    var ourMap = custom ? {} : baseMap;
    function addBinding(key, val) {
      var bound;
      if (typeof val != "string")
        bound = function(cm) { return val(cm, handle); };
      // This mechanism is deprecated
      else if (baseMap.hasOwnProperty(val))
        bound = baseMap[val];
      else
        bound = val;
      ourMap[key] = bound;
    }
    if (custom)
      for (var key in custom) if (custom.hasOwnProperty(key))
        addBinding(key, custom[key]);
    var extra = completion.options.extraKeys;
    if (extra)
      for (var key in extra) if (extra.hasOwnProperty(key))
        addBinding(key, extra[key]);
    return ourMap;
  }

  function getHintElement(hintsElement, el) {
    while (el && el != hintsElement) {
      if (el.nodeName.toUpperCase() === "LI" && el.parentNode == hintsElement) return el;
      el = el.parentNode;
    }
  }

  function Widget(completion, data) {
    this.id = "cm-complete-" + Math.floor(Math.random(1e6))
    this.completion = completion;
    this.data = data;
    this.picked = false;
    var widget = this, cm = completion.cm;
    var ownerDocument = cm.getInputField().ownerDocument;
    var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow;

    var hints = this.hints = ownerDocument.createElement("ul");
    hints.setAttribute("role", "listbox")
    hints.setAttribute("aria-expanded", "true")
    hints.id = this.id
    var theme = completion.cm.options.theme;
    hints.className = "CodeMirror-hints " + theme;
    this.selectedHint = data.selectedHint || 0;

    var completions = data.list;
    for (var i = 0; i < completions.length; ++i) {
      var elt = hints.appendChild(ownerDocument.createElement("li")), cur = completions[i];
      var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS);
      if (cur.className != null) className = cur.className + " " + className;
      elt.className = className;
      if (i == this.selectedHint) elt.setAttribute("aria-selected", "true")
      elt.id = this.id + "-" + i
      elt.setAttribute("role", "option")
      if (cur.render) cur.render(elt, data, cur);
      else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur)));
      elt.hintId = i;
    }

    var container = completion.options.container || ownerDocument.body;
    var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null);
    var left = pos.left, top = pos.bottom, below = true;
    var offsetLeft = 0, offsetTop = 0;
    if (container !== ownerDocument.body) {
      // We offset the cursor position because left and top are relative to the offsetParent's top left corner.
      var isContainerPositioned = ['absolute', 'relative', 'fixed'].indexOf(parentWindow.getComputedStyle(container).position) !== -1;
      var offsetParent = isContainerPositioned ? container : container.offsetParent;
      var offsetParentPosition = offsetParent.getBoundingClientRect();
      var bodyPosition = ownerDocument.body.getBoundingClientRect();
      offsetLeft = (offsetParentPosition.left - bodyPosition.left - offsetParent.scrollLeft);
      offsetTop = (offsetParentPosition.top - bodyPosition.top - offsetParent.scrollTop);
    }
    hints.style.left = (left - offsetLeft) + "px";
    hints.style.top = (top - offsetTop) + "px";

    // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor.
    var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth);
    var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight);
    container.appendChild(hints);
    cm.getInputField().setAttribute("aria-autocomplete", "list")
    cm.getInputField().setAttribute("aria-owns", this.id)
    cm.getInputField().setAttribute("aria-activedescendant", this.id + "-" + this.selectedHint)

    var box = completion.options.moveOnOverlap ? hints.getBoundingClientRect() : new DOMRect();
    var scrolls = completion.options.paddingForScrollbar ? hints.scrollHeight > hints.clientHeight + 1 : false;

    // Compute in the timeout to avoid reflow on init
    var startScroll;
    setTimeout(function() { startScroll = cm.getScrollInfo(); });

    var overlapY = box.bottom - winH;
    if (overlapY > 0) {
      var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top);
      if (curTop - height > 0) { // Fits above cursor
        hints.style.top = (top = pos.top - height - offsetTop) + "px";
        below = false;
      } else if (height > winH) {
        hints.style.height = (winH - 5) + "px";
        hints.style.top = (top = pos.bottom - box.top - offsetTop) + "px";
        var cursor = cm.getCursor();
        if (data.from.ch != cursor.ch) {
          pos = cm.cursorCoords(cursor);
          hints.style.left = (left = pos.left - offsetLeft) + "px";
          box = hints.getBoundingClientRect();
        }
      }
    }
    var overlapX = box.right - winW;
    if (scrolls) overlapX += cm.display.nativeBarWidth;
    if (overlapX > 0) {
      if (box.right - box.left > winW) {
        hints.style.width = (winW - 5) + "px";
        overlapX -= (box.right - box.left) - winW;
      }
      hints.style.left = (left = pos.left - overlapX - offsetLeft) + "px";
    }
    if (scrolls) for (var node = hints.firstChild; node; node = node.nextSibling)
      node.style.paddingRight = cm.display.nativeBarWidth + "px"

    cm.addKeyMap(this.keyMap = buildKeyMap(completion, {
      moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); },
      setFocus: function(n) { widget.changeActive(n); },
      menuSize: function() { return widget.screenAmount(); },
      length: completions.length,
      close: function() { completion.close(); },
      pick: function() { widget.pick(); },
      data: data
    }));

    if (completion.options.closeOnUnfocus) {
      var closingOnBlur;
      cm.on("blur", this.onBlur = function() { closingOnBlur = setTimeout(function() { completion.close(); }, 100); });
      cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); });
    }

    cm.on("scroll", this.onScroll = function() {
      var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
      if (!startScroll) startScroll = cm.getScrollInfo();
      var newTop = top + startScroll.top - curScroll.top;
      var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop);
      if (!below) point += hints.offsetHeight;
      if (point <= editor.top || point >= editor.bottom) return completion.close();
      hints.style.top = newTop + "px";
      hints.style.left = (left + startScroll.left - curScroll.left) + "px";
    });

    CodeMirror.on(hints, "dblclick", function(e) {
      var t = getHintElement(hints, e.target || e.srcElement);
      if (t && t.hintId != null) {widget.changeActive(t.hintId); widget.pick();}
    });

    CodeMirror.on(hints, "click", function(e) {
      var t = getHintElement(hints, e.target || e.srcElement);
      if (t && t.hintId != null) {
        widget.changeActive(t.hintId);
        if (completion.options.completeOnSingleClick) widget.pick();
      }
    });

    CodeMirror.on(hints, "mousedown", function() {
      setTimeout(function(){cm.focus();}, 20);
    });

    // The first hint doesn't need to be scrolled to on init
    var selectedHintRange = this.getSelectedHintRange();
    if (selectedHintRange.from !== 0 || selectedHintRange.to !== 0) {
      this.scrollToActive();
    }

    CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]);
    return true;
  }

  Widget.prototype = {
    close: function() {
      if (this.completion.widget != this) return;
      this.completion.widget = null;
      if (this.hints.parentNode) this.hints.parentNode.removeChild(this.hints);
      this.completion.cm.removeKeyMap(this.keyMap);
      var input = this.completion.cm.getInputField()
      input.removeAttribute("aria-activedescendant")
      input.removeAttribute("aria-owns")

      var cm = this.completion.cm;
      if (this.completion.options.closeOnUnfocus) {
        cm.off("blur", this.onBlur);
        cm.off("focus", this.onFocus);
      }
      cm.off("scroll", this.onScroll);
    },

    disable: function() {
      this.completion.cm.removeKeyMap(this.keyMap);
      var widget = this;
      this.keyMap = {Enter: function() { widget.picked = true; }};
      this.completion.cm.addKeyMap(this.keyMap);
    },

    pick: function() {
      this.completion.pick(this.data, this.selectedHint);
    },

    changeActive: function(i, avoidWrap) {
      if (i >= this.data.list.length)
        i = avoidWrap ? this.data.list.length - 1 : 0;
      else if (i < 0)
        i = avoidWrap ? 0  : this.data.list.length - 1;
      if (this.selectedHint == i) return;
      var node = this.hints.childNodes[this.selectedHint];
      if (node) {
        node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
        node.removeAttribute("aria-selected")
      }
      node = this.hints.childNodes[this.selectedHint = i];
      node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
      node.setAttribute("aria-selected", "true")
      this.completion.cm.getInputField().setAttribute("aria-activedescendant", node.id)
      this.scrollToActive()
      CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node);
    },

    scrollToActive: function() {
      var selectedHintRange = this.getSelectedHintRange();
      var node1 = this.hints.childNodes[selectedHintRange.from];
      var node2 = this.hints.childNodes[selectedHintRange.to];
      var firstNode = this.hints.firstChild;
      if (node1.offsetTop < this.hints.scrollTop)
        this.hints.scrollTop = node1.offsetTop - firstNode.offsetTop;
      else if (node2.offsetTop + node2.offsetHeight > this.hints.scrollTop + this.hints.clientHeight)
        this.hints.scrollTop = node2.offsetTop + node2.offsetHeight - this.hints.clientHeight + firstNode.offsetTop;
    },

    screenAmount: function() {
      return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight) || 1;
    },

    getSelectedHintRange: function() {
      var margin = this.completion.options.scrollMargin || 0;
      return {
        from: Math.max(0, this.selectedHint - margin),
        to: Math.min(this.data.list.length - 1, this.selectedHint + margin),
      };
    }
  };

  function applicableHelpers(cm, helpers) {
    if (!cm.somethingSelected()) return helpers
    var result = []
    for (var i = 0; i < helpers.length; i++)
      if (helpers[i].supportsSelection) result.push(helpers[i])
    return result
  }

  function fetchHints(hint, cm, options, callback) {
    if (hint.async) {
      hint(cm, callback, options)
    } else {
      var result = hint(cm, options)
      if (result && result.then) result.then(callback)
      else callback(result)
    }
  }

  function resolveAutoHints(cm, pos) {
    var helpers = cm.getHelpers(pos, "hint"), words
    if (helpers.length) {
      var resolved = function(cm, callback, options) {
        var app = applicableHelpers(cm, helpers);
        function run(i) {
          if (i == app.length) return callback(null)
          fetchHints(app[i], cm, options, function(result) {
            if (result && result.list.length > 0) callback(result)
            else run(i + 1)
          })
        }
        run(0)
      }
      resolved.async = true
      resolved.supportsSelection = true
      return resolved
    } else if (words = cm.getHelper(cm.getCursor(), "hintWords")) {
      return function(cm) { return CodeMirror.hint.fromList(cm, {words: words}) }
    } else if (CodeMirror.hint.anyword) {
      return function(cm, options) { return CodeMirror.hint.anyword(cm, options) }
    } else {
      return function() {}
    }
  }

  CodeMirror.registerHelper("hint", "auto", {
    resolve: resolveAutoHints
  });

  CodeMirror.registerHelper("hint", "fromList", function(cm, options) {
    var cur = cm.getCursor(), token = cm.getTokenAt(cur)
    var term, from = CodeMirror.Pos(cur.line, token.start), to = cur
    if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) {
      term = token.string.substr(0, cur.ch - token.start)
    } else {
      term = ""
      from = cur
    }
    var found = [];
    for (var i = 0; i < options.words.length; i++) {
      var word = options.words[i];
      if (word.slice(0, term.length) == term)
        found.push(word);
    }

    if (found.length) return {list: found, from: from, to: to};
  });

  CodeMirror.commands.autocomplete = CodeMirror.showHint;

  var defaultOptions = {
    hint: CodeMirror.hint.auto,
    completeSingle: true,
    alignWithWord: true,
    closeCharacters: /[\s()\[\]{};:>,]/,
    closeOnPick: true,
    closeOnUnfocus: true,
    updateOnCursorActivity: true,
    completeOnSingleClick: true,
    container: null,
    customKeys: null,
    extraKeys: null,
    paddingForScrollbar: true,
    moveOnOverlap: true,
  };

  CodeMirror.defineOption("hintOptions", null);
});




/**** xml-fold.js ****/
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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;
      var match = xmlTagStart.exec(iter.text);
      if (match && match.index == lt) return match;
    }
  }

  function toNextTag(iter) {
    for (;;) {
      xmlTagStart.lastIndex = iter.ch;
      var found = xmlTagStart.exec(iter.text);
      if (!found) { if (nextLine(iter)) continue; else return; }
      if (!tagAt(iter, found.index + 1)) { iter.ch = found.index + 1; continue; }
      iter.ch = found.index + found[0].length;
      return found;
    }
  }
  function toPrevTag(iter) {
    for (;;) {
      var gt = iter.ch ? iter.text.lastIndexOf(">", iter.ch - 1) : -1;
      if (gt == -1) { if (prevLine(iter)) continue; else return; }
      if (!tagAt(iter, gt + 1)) { iter.ch = gt; 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 findMatchingClose(iter, tag) {
    var stack = [];
    for (;;) {
      var next = toNextTag(iter), end, startLine = iter.line, startCh = iter.ch - (next ? next[0].length : 0);
      if (!next || !(end = toTagEnd(iter))) return;
      if (end == "selfClose") continue;
      if (next[1]) { // closing tag
        for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == next[2]) {
          stack.length = i;
          break;
        }
        if (i < 0 && (!tag || tag == next[2])) return {
          tag: next[2],
          from: Pos(startLine, startCh),
          to: Pos(iter.line, iter.ch)
        };
      } else { // opening tag
        stack.push(next[2]);
      }
    }
  }
  function findMatchingOpen(iter, tag) {
    var stack = [];
    for (;;) {
      var prev = toPrevTag(iter);
      if (!prev) return;
      if (prev == "selfClose") { toTagStart(iter); continue; }
      var endLine = iter.line, endCh = iter.ch;
      var start = toTagStart(iter);
      if (!start) return;
      if (start[1]) { // closing tag
        stack.push(start[2]);
      } else { // opening tag
        for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == start[2]) {
          stack.length = i;
          break;
        }
        if (i < 0 && (!tag || tag == start[2])) return {
          tag: start[2],
          from: Pos(iter.line, iter.ch),
          to: Pos(endLine, endCh)
        };
      }
    }
  }

  CodeMirror.registerHelper("fold", "xml", function(cm, start) {
    var iter = new Iter(cm, start.line, 0);
    for (;;) {
      var openTag = toNextTag(iter)
      if (!openTag || iter.line != start.line) return
      var end = toTagEnd(iter)
      if (!end) return
      if (!openTag[1] && end != "selfClose") {
        var startPos = Pos(iter.line, iter.ch);
        var endPos = findMatchingClose(iter, openTag[2]);
        return endPos && cmp(endPos.from, startPos) > 0 ? {from: startPos, to: endPos.from} : null
      }
    }
  });
  CodeMirror.findMatchingTag = function(cm, pos, range) {
    var iter = new Iter(cm, pos.line, pos.ch, range);
    if (iter.text.indexOf(">") == -1 && iter.text.indexOf("<") == -1) return;
    var end = toTagEnd(iter), to = end && Pos(iter.line, iter.ch);
    var start = end && toTagStart(iter);
    if (!end || !start || cmp(iter, pos) > 0) return;
    var here = {from: Pos(iter.line, iter.ch), to: to, tag: start[2]};
    if (end == "selfClose") return {open: here, close: null, at: "open"};

    if (start[1]) { // closing tag
      return {open: findMatchingOpen(iter, start[2]), close: here, at: "close"};
    } else { // opening tag
      iter = new Iter(cm, to.line, to.ch, range);
      return {open: here, close: findMatchingClose(iter, start[2]), at: "open"};
    }
  };

  CodeMirror.findEnclosingTag = function(cm, pos, range, tag) {
    var iter = new Iter(cm, pos.line, pos.ch, range);
    for (;;) {
      var open = findMatchingOpen(iter, tag);
      if (!open) break;
      var forward = new Iter(cm, pos.line, pos.ch, range);
      var close = findMatchingClose(forward, open.tag);
      if (close) return {open: open, close: close};
    }
  };

  // Used by addon/edit/closetag.js
  CodeMirror.scanForClosingTag = function(cm, pos, name, end) {
    var iter = new Iter(cm, pos.line, pos.ch, end ? {from: 0, to: end} : null);
    return findMatchingClose(iter, name);
  };
});




/**** xml-hint.js ****/
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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 matches(hint, typed, matchInMiddle) {
    if (matchInMiddle) return hint.indexOf(typed) >= 0;
    else return hint.lastIndexOf(typed, 0) == 0;
  }

  function getHints(cm, options) {
    var tags = options && options.schemaInfo;
    var quote = (options && options.quoteChar) || '"';
    var matchInMiddle = options && options.matchInMiddle;
    if (!tags) return;
    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
    if (token.end > cur.ch) {
      token.end = cur.ch;
      token.string = token.string.slice(0, cur.ch - token.start);
    }
    var inner = CodeMirror.innerMode(cm.getMode(), token.state);
    if (!inner.mode.xmlCurrentTag) return
    var result = [], replaceToken = false, prefix;
    var tag = /\btag\b/.test(token.type) && !/>$/.test(token.string);
    var tagName = tag && /^\w/.test(token.string), tagStart;

    if (tagName) {
      var before = cm.getLine(cur.line).slice(Math.max(0, token.start - 2), token.start);
      var tagType = /<\/$/.test(before) ? "close" : /<$/.test(before) ? "open" : null;
      if (tagType) tagStart = token.start - (tagType == "close" ? 2 : 1);
    } else if (tag && token.string == "<") {
      tagType = "open";
    } else if (tag && token.string == "</") {
      tagType = "close";
    }

    var tagInfo = inner.mode.xmlCurrentTag(inner.state)
    if (!tag && !tagInfo || tagType) {
      if (tagName)
        prefix = token.string;
      replaceToken = tagType;
      var context = inner.mode.xmlCurrentContext ? inner.mode.xmlCurrentContext(inner.state) : []
      var inner = context.length && context[context.length - 1]
      var curTag = inner && tags[inner]
      var childList = inner ? curTag && curTag.children : tags["!top"];
      if (childList && tagType != "close") {
        for (var i = 0; i < childList.length; ++i) if (!prefix || matches(childList[i], prefix, matchInMiddle))
          result.push("<" + childList[i]);
      } else if (tagType != "close") {
        for (var name in tags)
          if (tags.hasOwnProperty(name) && name != "!top" && name != "!attrs" && (!prefix || matches(name, prefix, matchInMiddle)))
            result.push("<" + name);
      }
      if (inner && (!prefix || tagType == "close" && matches(inner, prefix, matchInMiddle)))
        result.push("</" + inner + ">");
    } else {
      // Attribute completion
      var curTag = tagInfo && tags[tagInfo.name], attrs = curTag && curTag.attrs;
      var globalAttrs = tags["!attrs"];
      if (!attrs && !globalAttrs) return;
      if (!attrs) {
        attrs = globalAttrs;
      } else if (globalAttrs) { // Combine tag-local and global attributes
        var set = {};
        for (var nm in globalAttrs) if (globalAttrs.hasOwnProperty(nm)) set[nm] = globalAttrs[nm];
        for (var nm in attrs) if (attrs.hasOwnProperty(nm)) set[nm] = attrs[nm];
        attrs = set;
      }
      if (token.type == "string" || token.string == "=") { // A value
        var before = cm.getRange(Pos(cur.line, Math.max(0, cur.ch - 60)),
                                 Pos(cur.line, token.type == "string" ? token.start : token.end));
        var atName = before.match(/([^\s\u00a0=<>\"\']+)=$/), atValues;
        if (!atName || !attrs.hasOwnProperty(atName[1]) || !(atValues = attrs[atName[1]])) return;
        if (typeof atValues == 'function') atValues = atValues.call(this, cm); // Functions can be used to supply values for autocomplete widget
        if (token.type == "string") {
          prefix = token.string;
          var n = 0;
          if (/['"]/.test(token.string.charAt(0))) {
            quote = token.string.charAt(0);
            prefix = token.string.slice(1);
            n++;
          }
          var len = token.string.length;
          if (/['"]/.test(token.string.charAt(len - 1))) {
            quote = token.string.charAt(len - 1);
            prefix = token.string.substr(n, len - 2);
          }
          if (n) { // an opening quote
            var line = cm.getLine(cur.line);
            if (line.length > token.end && line.charAt(token.end) == quote) token.end++; // include a closing quote
          }
          replaceToken = true;
        }
        var returnHintsFromAtValues = function(atValues) {
          if (atValues)
            for (var i = 0; i < atValues.length; ++i) if (!prefix || matches(atValues[i], prefix, matchInMiddle))
              result.push(quote + atValues[i] + quote);
          return returnHints();
        };
        if (atValues && atValues.then) return atValues.then(returnHintsFromAtValues);
        return returnHintsFromAtValues(atValues);
      } else { // An attribute name
        if (token.type == "attribute") {
          prefix = token.string;
          replaceToken = true;
        }
        for (var attr in attrs) if (attrs.hasOwnProperty(attr) && (!prefix || matches(attr, prefix, matchInMiddle)))
          result.push(attr);
      }
    }
    function returnHints() {
      return {
        list: result,
        from: replaceToken ? Pos(cur.line, tagStart == null ? token.start : tagStart) : cur,
        to: replaceToken ? Pos(cur.line, token.end) : cur
      };
    }
    return returnHints();
  }

  CodeMirror.registerHelper("hint", "xml", getHints);
});




/**** xml.js ****/
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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 htmlConfig = {
  autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
                    'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
                    'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
                    'track': true, 'wbr': true, 'menuitem': true},
  implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
                     'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
                     'th': true, 'tr': true},
  contextGrabbers: {
    'dd': {'dd': true, 'dt': true},
    'dt': {'dd': true, 'dt': true},
    'li': {'li': true},
    'option': {'option': true, 'optgroup': true},
    'optgroup': {'optgroup': true},
    'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
          'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
          'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
          'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
          'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
    'rp': {'rp': true, 'rt': true},
    'rt': {'rp': true, 'rt': true},
    'tbody': {'tbody': true, 'tfoot': true},
    'td': {'td': true, 'th': true},
    'tfoot': {'tbody': true},
    'th': {'td': true, 'th': true},
    'thead': {'tbody': true, 'tfoot': true},
    'tr': {'tr': true}
  },
  doNotIndent: {"pre": true},
  allowUnquoted: true,
  allowMissing: true,
  caseFold: true
}

var xmlConfig = {
  autoSelfClosers: {},
  implicitlyClosed: {},
  contextGrabbers: {},
  doNotIndent: {},
  allowUnquoted: false,
  allowMissing: false,
  allowMissingTagName: false,
  caseFold: false
}

CodeMirror.defineMode("xml", function(editorConf, config_) {
  var indentUnit = editorConf.indentUnit
  var config = {}
  var defaults = config_.htmlMode ? htmlConfig : xmlConfig
  for (var prop in defaults) config[prop] = defaults[prop]
  for (var prop in config_) config[prop] = config_[prop]

  // Return variables for tokenizers
  var type, setStyle;

  function inText(stream, state) {
    function chain(parser) {
      state.tokenize = parser;
      return parser(stream, state);
    }

    var ch = stream.next();
    if (ch == "<") {
      if (stream.eat("!")) {
        if (stream.eat("[")) {
          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
          else return null;
        } else if (stream.match("--")) {
          return chain(inBlock("comment", "-->"));
        } else if (stream.match("DOCTYPE", true, true)) {
          stream.eatWhile(/[\w\._\-]/);
          return chain(doctype(1));
        } else {
          return null;
        }
      } else if (stream.eat("?")) {
        stream.eatWhile(/[\w\._\-]/);
        state.tokenize = inBlock("meta", "?>");
        return "meta";
      } else {
        type = stream.eat("/") ? "closeTag" : "openTag";
        state.tokenize = inTag;
        return "tag bracket";
      }
    } else if (ch == "&") {
      var ok;
      if (stream.eat("#")) {
        if (stream.eat("x")) {
          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
        } else {
          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
        }
      } else {
        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
      }
      return ok ? "atom" : "error";
    } else {
      stream.eatWhile(/[^&<]/);
      return null;
    }
  }
  inText.isInText = true;

  function inTag(stream, state) {
    var ch = stream.next();
    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
      state.tokenize = inText;
      type = ch == ">" ? "endTag" : "selfcloseTag";
      return "tag bracket";
    } else if (ch == "=") {
      type = "equals";
      return null;
    } else if (ch == "<") {
      state.tokenize = inText;
      state.state = baseState;
      state.tagName = state.tagStart = null;
      var next = state.tokenize(stream, state);
      return next ? next + " tag error" : "tag error";
    } else if (/[\'\"]/.test(ch)) {
      state.tokenize = inAttribute(ch);
      state.stringStartCol = stream.column();
      return state.tokenize(stream, state);
    } else {
      stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
      return "word";
    }
  }

  function inAttribute(quote) {
    var closure = function(stream, state) {
      while (!stream.eol()) {
        if (stream.next() == quote) {
          state.tokenize = inTag;
          break;
        }
      }
      return "string";
    };
    closure.isInAttribute = true;
    return closure;
  }

  function inBlock(style, terminator) {
    return function(stream, state) {
      while (!stream.eol()) {
        if (stream.match(terminator)) {
          state.tokenize = inText;
          break;
        }
        stream.next();
      }
      return style;
    }
  }

  function doctype(depth) {
    return function(stream, state) {
      var ch;
      while ((ch = stream.next()) != null) {
        if (ch == "<") {
          state.tokenize = doctype(depth + 1);
          return state.tokenize(stream, state);
        } else if (ch == ">") {
          if (depth == 1) {
            state.tokenize = inText;
            break;
          } else {
            state.tokenize = doctype(depth - 1);
            return state.tokenize(stream, state);
          }
        }
      }
      return "meta";
    };
  }

  function lower(tagName) {
    return tagName && tagName.toLowerCase();
  }

  function Context(state, tagName, startOfLine) {
    this.prev = state.context;
    this.tagName = tagName || "";
    this.indent = state.indented;
    this.startOfLine = startOfLine;
    if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
      this.noIndent = true;
  }
  function popContext(state) {
    if (state.context) state.context = state.context.prev;
  }
  function maybePopContext(state, nextTagName) {
    var parentTagName;
    while (true) {
      if (!state.context) {
        return;
      }
      parentTagName = state.context.tagName;
      if (!config.contextGrabbers.hasOwnProperty(lower(parentTagName)) ||
          !config.contextGrabbers[lower(parentTagName)].hasOwnProperty(lower(nextTagName))) {
        return;
      }
      popContext(state);
    }
  }

  function baseState(type, stream, state) {
    if (type == "openTag") {
      state.tagStart = stream.column();
      return tagNameState;
    } else if (type == "closeTag") {
      return closeTagNameState;
    } else {
      return baseState;
    }
  }
  function tagNameState(type, stream, state) {
    if (type == "word") {
      state.tagName = stream.current();
      setStyle = "tag";
      return attrState;
    } else if (config.allowMissingTagName && type == "endTag") {
      setStyle = "tag bracket";
      return attrState(type, stream, state);
    } else {
      setStyle = "error";
      return tagNameState;
    }
  }
  function closeTagNameState(type, stream, state) {
    if (type == "word") {
      var tagName = stream.current();
      if (state.context && state.context.tagName != tagName &&
          config.implicitlyClosed.hasOwnProperty(lower(state.context.tagName)))
        popContext(state);
      if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
        setStyle = "tag";
        return closeState;
      } else {
        setStyle = "tag error";
        return closeStateErr;
      }
    } else if (config.allowMissingTagName && type == "endTag") {
      setStyle = "tag bracket";
      return closeState(type, stream, state);
    } else {
      setStyle = "error";
      return closeStateErr;
    }
  }

  function closeState(type, _stream, state) {
    if (type != "endTag") {
      setStyle = "error";
      return closeState;
    }
    popContext(state);
    return baseState;
  }
  function closeStateErr(type, stream, state) {
    setStyle = "error";
    return closeState(type, stream, state);
  }

  function attrState(type, _stream, state) {
    if (type == "word") {
      setStyle = "attribute";
      return attrEqState;
    } else if (type == "endTag" || type == "selfcloseTag") {
      var tagName = state.tagName, tagStart = state.tagStart;
      state.tagName = state.tagStart = null;
      if (type == "selfcloseTag" ||
          config.autoSelfClosers.hasOwnProperty(lower(tagName))) {
        maybePopContext(state, tagName);
      } else {
        maybePopContext(state, tagName);
        state.context = new Context(state, tagName, tagStart == state.indented);
      }
      return baseState;
    }
    setStyle = "error";
    return attrState;
  }
  function attrEqState(type, stream, state) {
    if (type == "equals") return attrValueState;
    if (!config.allowMissing) setStyle = "error";
    return attrState(type, stream, state);
  }
  function attrValueState(type, stream, state) {
    if (type == "string") return attrContinuedState;
    if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
    setStyle = "error";
    return attrState(type, stream, state);
  }
  function attrContinuedState(type, stream, state) {
    if (type == "string") return attrContinuedState;
    return attrState(type, stream, state);
  }

  return {
    startState: function(baseIndent) {
      var state = {tokenize: inText,
                   state: baseState,
                   indented: baseIndent || 0,
                   tagName: null, tagStart: null,
                   context: null}
      if (baseIndent != null) state.baseIndent = baseIndent
      return state
    },

    token: function(stream, state) {
      if (!state.tagName && stream.sol())
        state.indented = stream.indentation();

      if (stream.eatSpace()) return null;
      type = null;
      var style = state.tokenize(stream, state);
      if ((style || type) && style != "comment") {
        setStyle = null;
        state.state = state.state(type || style, stream, state);
        if (setStyle)
          style = setStyle == "error" ? style + " error" : setStyle;
      }
      return style;
    },

    indent: function(state, textAfter, fullLine) {
      var context = state.context;
      // Indent multi-line strings (e.g. css).
      if (state.tokenize.isInAttribute) {
        if (state.tagStart == state.indented)
          return state.stringStartCol + 1;
        else
          return state.indented + indentUnit;
      }
      if (context && context.noIndent) return CodeMirror.Pass;
      if (state.tokenize != inTag && state.tokenize != inText)
        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
      // Indent the starts of attribute names.
      if (state.tagName) {
        if (config.multilineTagIndentPastTag !== false)
          return state.tagStart + state.tagName.length + 2;
        else
          return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
      }
      if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
      var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter);
      if (tagAfter && tagAfter[1]) { // Closing tag spotted
        while (context) {
          if (context.tagName == tagAfter[2]) {
            context = context.prev;
            break;
          } else if (config.implicitlyClosed.hasOwnProperty(lower(context.tagName))) {
            context = context.prev;
          } else {
            break;
          }
        }
      } else if (tagAfter) { // Opening tag spotted
        while (context) {
          var grabbers = config.contextGrabbers[lower(context.tagName)];
          if (grabbers && grabbers.hasOwnProperty(lower(tagAfter[2])))
            context = context.prev;
          else
            break;
        }
      }
      while (context && context.prev && !context.startOfLine)
        context = context.prev;
      if (context) return context.indent + indentUnit;
      else return state.baseIndent || 0;
    },

    electricInput: /<\/[\s\w:]+>$/,
    blockCommentStart: "<!--",
    blockCommentEnd: "-->",

    configuration: config.htmlMode ? "html" : "xml",
    helperType: config.htmlMode ? "html" : "xml",

    skipAttribute: function(state) {
      if (state.state == attrValueState)
        state.state = attrState
    },

    xmlCurrentTag: function(state) {
      return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
    },

    xmlCurrentContext: function(state) {
      var context = []
      for (var cx = state.context; cx; cx = cx.prev)
        context.push(cx.tagName)
      return context.reverse()
    }
  };
});

CodeMirror.defineMIME("text/xml", "xml");
CodeMirror.defineMIME("application/xml", "xml");
if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});

});
