text: define("ace/snippets",["require","exports","module","ace/lib/oop","ace/lib/event_emitter","ace/lib/lang","ace/range","ace/range_list","ace/keyboard/hash_handler","ace/tokenizer","ace/clipboard","ace/lib/dom","ace/editor"], function(require, exports, module) {
  "use strict";
  var oop = require("./lib/oop");
  var EventEmitter = require("./lib/event_emitter").EventEmitter;
  var lang = require("./lib/lang");
  var Range = require("./range").Range;
  var RangeList = require("./range_list").RangeList;
  var HashHandler = require("./keyboard/hash_handler").HashHandler;
  var Tokenizer = require("./tokenizer").Tokenizer;
  var clipboard = require("./clipboard");
  
  var VARIABLES = {
      CURRENT_WORD: function(editor) {
          return editor.session.getTextRange(editor.session.getWordRange());
      },
      SELECTION: function(editor, name, indentation) {
          var text = editor.session.getTextRange();
          if (indentation)
              return text.replace(/\n\r?([ \t]*\S)/g, "\n" + indentation + "$1");
          return text;
      },
      CURRENT_LINE: function(editor) {
          return editor.session.getLine(editor.getCursorPosition().row);
      },
      PREV_LINE: function(editor) {
          return editor.session.getLine(editor.getCursorPosition().row - 1);
      },
      LINE_INDEX: function(editor) {
          return editor.getCursorPosition().row;
      },
      LINE_NUMBER: function(editor) {
          return editor.getCursorPosition().row + 1;
      },
      SOFT_TABS: function(editor) {
          return editor.session.getUseSoftTabs() ? "YES" : "NO";
      },
      TAB_SIZE: function(editor) {
          return editor.session.getTabSize();
      },
      CLIPBOARD: function(editor) {
          return clipboard.getText && clipboard.getText();
      },
      FILENAME: function(editor) {
          return /[^/\\]*$/.exec(this.FILEPATH(editor))[0];
      },
      FILENAME_BASE: function(editor) {
          return /[^/\\]*$/.exec(this.FILEPATH(editor))[0].replace(/\.[^.]*$/, "");
      },
      DIRECTORY: function(editor) {
          return this.FILEPATH(editor).replace(/[^/\\]*$/, "");
      },
      FILEPATH: function(editor) { return "/not implemented.txt"; },
      WORKSPACE_NAME: function() { return "Unknown"; },
      FULLNAME: function() { return "Unknown"; },
      BLOCK_COMMENT_START: function(editor) {
          var mode = editor.session.$mode || {};
          return mode.blockComment && mode.blockComment.start || "";
      },
      BLOCK_COMMENT_END: function(editor) {
          var mode = editor.session.$mode || {};
          return mode.blockComment && mode.blockComment.end || "";
      },
      LINE_COMMENT: function(editor) {
          var mode = editor.session.$mode || {};
          return mode.lineCommentStart || "";
      },
      CURRENT_YEAR: date.bind(null, {year: "numeric"}),
      CURRENT_YEAR_SHORT: date.bind(null, {year: "2-digit"}),
      CURRENT_MONTH: date.bind(null, {month: "numeric"}),
      CURRENT_MONTH_NAME: date.bind(null, {month: "long"}),
      CURRENT_MONTH_NAME_SHORT: date.bind(null, {month: "short"}),
      CURRENT_DATE: date.bind(null, {day: "2-digit"}),
      CURRENT_DAY_NAME: date.bind(null, {weekday: "long"}),
      CURRENT_DAY_NAME_SHORT: date.bind(null, {weekday: "short"}),
      CURRENT_HOUR: date.bind(null, {hour: "2-digit", hour12: false}),
      CURRENT_MINUTE: date.bind(null, {minute: "2-digit"}),
      CURRENT_SECOND: date.bind(null, {second: "2-digit"})
  };
  
  VARIABLES.SELECTED_TEXT = VARIABLES.SELECTION;
  
  function date(dateFormat) {
      var str = new Date().toLocaleString("en-us", dateFormat);
      return str.length == 1 ? "0" + str : str;
  }
  
  var SnippetManager = function() {
      this.snippetMap = {};
      this.snippetNameMap = {};
  };
  
  (function() {
      oop.implement(this, EventEmitter);
      
      this.getTokenizer = function() {
          return SnippetManager.$tokenizer || this.createTokenizer();
      };
      
      this.createTokenizer = function() {
          function TabstopToken(str) {
              str = str.substr(1);
              if (/^\d+$/.test(str))
                  return [{tabstopId: parseInt(str, 10)}];
              return [{text: str}];
          }
          function escape(ch) {
              return "(?:[^\\\\" + ch + "]|\\\\.)";
          }
          var formatMatcher = {
              regex: "/(" + escape("/") + "+)/", 
              onMatch: function(val, state, stack) {
                  var ts = stack[0];
                  ts.fmtString = true;
                  ts.guard = val.slice(1, -1);
                  ts.flag = "";
                  return "";
              },
              next: "formatString"
          };
          
          SnippetManager.$tokenizer = new Tokenizer({
              start: [
                  {regex: /\\./, onMatch: function(val, state, stack) {
                      var ch = val[1];
                      if (ch == "}" && stack.length) {
                          val = ch;
                      } else if ("`$\\".indexOf(ch) != -1) {
                          val = ch;
                      }
                      return [val];
                  }},
                  {regex: /}/, onMatch: function(val, state, stack) {
                      return [stack.length ? stack.shift() : val];
                  }},
                  {regex: /\$(?:\d+|\w+)/, onMatch: TabstopToken},
                  {regex: /\$\{[\dA-Z_a-z]+/, onMatch: function(str, state, stack) {
                      var t = TabstopToken(str.substr(1));
                      stack.unshift(t[0]);
                      return t;
                  }, next: "snippetVar"},
                  {regex: /\n/, token: "newline", merge: false}
              ],
              snippetVar: [
                  {regex: "\\|" + escape("\\|") + "*\\|", onMatch: function(val, state, stack) {
                      var choices = val.slice(1, -1).replace(/\\[,|\\]|,/g, function(operator) {
                          return operator.length == 2 ? operator[1] : "\x00";
                      }).split("\x00").map(function(value){
                          return {value: value};
                      });
                      stack[0].choices = choices;
                      return [choices[0]];
                  }, next: "start"},
                  formatMatcher,
                  {regex: "([^:}\\\\]|\\\\.)*:?", token: "", next: "start"}
              ],
              formatString: [
                  {regex: /:/, onMatch: function(val, state, stack) {
                      if (stack.length && stack[0].expectElse) {
                          stack[0].expectElse = false;
                          stack[0].ifEnd = {elseEnd: stack[0]};
                          return [stack[0].ifEnd];
                      }
                      return ":";
                  }},
                  {regex: /\\./, onMatch: function(val, state, stack) {
                      var ch = val[1];
                      if (ch == "}" && stack.length)
                          val = ch;
                      else if ("`$\\".indexOf(ch) != -1)
                          val = ch;
                      else if (ch == "n")
                          val = "\n";
                      else if (ch == "t")
                          val = "\t";
                      else if ("ulULE".indexOf(ch) != -1)
                          val = {changeCase: ch, local: ch > "a"};
                      return [val];
                  }},
                  {regex: "/\\w*}", onMatch: function(val, state, stack) {
                      var next = stack.shift();
                      if (next)
                          next.flag = val.slice(1, -1);
                      this.next = next && next.tabstopId ? "start" : "";
                      return [next || val];
                  }, next: "start"},
                  {regex: /\$(?:\d+|\w+)/, onMatch: function(val, state, stack) {
                      return [{text: val.slice(1)}];
                  }},
                  {regex: /\${\w+/, onMatch: function(val, state, stack) {
                      var token = {text: val.slice(2)};
                      stack.unshift(token);
                      return [token];
                  }, next: "formatStringVar"},
                  {regex: /\n/, token: "newline", merge: false},
                  {regex: /}/, onMatch: function(val, state, stack) {
                      var next = stack.shift();
                      this.next = next && next.tabstopId ? "start" : "";
                      return [next || val];
                  }, next: "start"}
              ],
              formatStringVar: [
                  {regex: /:\/\w+}/, onMatch: function(val, state, stack) {
                      var ts = stack[0];
                      ts.formatFunction = val.slice(2, -1);
                      return [stack.shift()];
                  }, next: "formatString"},
                  formatMatcher,
                  {regex: /:[\?\-+]?/, onMatch: function(val, state, stack) {
                      if (val[1] == "+")
                          stack[0].ifEnd = stack[0];
                      if (val[1] == "?")
                          stack[0].expectElse = true;
                  }, next: "formatString"},
                  {regex: "([^:}\\\\]|\\\\.)*:?", token: "", next: "formatString"}
              ]
          });
          return SnippetManager.$tokenizer;
      };
  
      this.tokenizeTmSnippet = function(str, startState) {
          return this.getTokenizer().getLineTokens(str, startState).tokens.map(function(x) {
              return x.value || x;
          });
      };
      
      this.getVariableValue = function(editor, name, indentation) {
          if (/^\d+$/.test(name))
              return (this.variables.__ || {})[name] || "";
          if (/^[A-Z]\d+$/.test(name))
              return (this.variables[name[0] + "__"] || {})[name.substr(1)] || "";
          
          name = name.replace(/^TM_/, "");
          if (!this.variables.hasOwnProperty(name))
              return "";
          var value = this.variables[name];
          if (typeof value == "function")
              value = this.variables[name](editor, name, indentation);
          return value == null ? "" : value;
      };
      
      this.variables = VARIABLES;
      this.tmStrFormat = function(str, ch, editor) {
          if (!ch.fmt) return str;
          var flag = ch.flag || "";
          var re = ch.guard;
          re = new RegExp(re, flag.replace(/[^gim]/g, ""));
          var fmtTokens = typeof ch.fmt == "string" ? this.tokenizeTmSnippet(ch.fmt, "formatString") : ch.fmt;
          var _self = this;
          var formatted = str.replace(re, function() {
              var oldArgs = _self.variables.__;
              _self.variables.__ = [].slice.call(arguments);
              var fmtParts = _self.resolveVariables(fmtTokens, editor);
              var gChangeCase = "E";
              for (var i  = 0; i < fmtParts.length; i++) {
                  var ch = fmtParts[i];
                  if (typeof ch == "object") {
                      fmtParts[i] = "";
                      if (ch.changeCase && ch.local) {
                          var next = fmtParts[i + 1];
                          if (next && typeof next == "string") {
                              if (ch.changeCase == "u")
                                  fmtParts[i] = next[0].toUpperCase();
                              else
                                  fmtParts[i] = next[0].toLowerCase();
                              fmtParts[i + 1] = next.substr(1);
                          }
                      } else if (ch.changeCase) {
                          gChangeCase = ch.changeCase;
                      }
                  } else if (gChangeCase == "U") {
                      fmtParts[i] = ch.toUpperCase();
                  } else if (gChangeCase == "L") {
                      fmtParts[i] = ch.toLowerCase();
                  }
              }
              _self.variables.__ = oldArgs;
              return fmtParts.join("");
          });
          return formatted;
      };
      
      this.tmFormatFunction = function(str, ch, editor) {
          if (ch.formatFunction == "upcase")
              return str.toUpperCase();
          if (ch.formatFunction == "downcase")
              return str.toLowerCase();
          return str;
      };
  
      this.resolveVariables = function(snippet, editor) {
          var result = [];
          var indentation = "";
          var afterNewLine = true;
          for (var i = 0; i < snippet.length; i++) {
              var ch = snippet[i];
              if (typeof ch == "string") {
                  result.push(ch);
                  if (ch == "\n") {
                      afterNewLine = true;
                      indentation = "";
                  }
                  else if (afterNewLine) {
                      indentation = /^\t*/.exec(ch)[0];
                      afterNewLine = /\S/.test(ch);
                  }
                  continue;
              }
              if (!ch)  continue;
              afterNewLine = false;
              
              if (ch.fmtString) {
                  var j = snippet.indexOf(ch, i + 1);
                  if (j == -1) j = snippet.length;
                  ch.fmt = snippet.slice(i + 1, j);
                  i = j;
              }
              
              if (ch.text) {
                  var value = this.getVariableValue(editor, ch.text, indentation) + "";
                  if (ch.fmtString)
                      value = this.tmStrFormat(value, ch, editor);
                  if (ch.formatFunction)
                      value = this.tmFormatFunction(value, ch, editor);
                  
                  if (value && !ch.ifEnd) {
                      result.push(value);
                      gotoNext(ch);
                  } else if (!value && ch.ifEnd) {
                      gotoNext(ch.ifEnd);
                  }
              } else if (ch.elseEnd) {
                  gotoNext(ch.elseEnd);
              } else if (ch.tabstopId != null) {
                  result.push(ch);
              } else if (ch.changeCase != null) {
                  result.push(ch);
              }
          }
          function gotoNext(ch) {
              var i1 = snippet.indexOf(ch, i + 1);
              if (i1 != -1)
                  i = i1;
          }
          return result;
      };
  
      this.insertSnippetForSelection = function(editor, snippetText) {
          var cursor = editor.getCursorPosition();
          var line = editor.session.getLine(cursor.row);
          var tabString = editor.session.getTabString();
          var indentString = line.match(/^\s*/)[0];
          
          if (cursor.column < indentString.length)
              indentString = indentString.slice(0, cursor.column);
  
          snippetText = snippetText.replace(/\r/g, "");
          var tokens = this.tokenizeTmSnippet(snippetText);
          tokens = this.resolveVariables(tokens, editor);
          tokens = tokens.map(function(x) {
              if (x == "\n")
                  return x + indentString;
              if (typeof x == "string")
                  return x.replace(/\t/g, tabString);
              return x;
          });
          var tabstops = [];
          tokens.forEach(function(p, i) {
              if (typeof p != "object")
                  return;
              var id = p.tabstopId;
              var ts = tabstops[id];
              if (!ts) {
                  ts = tabstops[id] = [];
                  ts.index = id;
                  ts.value = "";
                  ts.parents = {};
              }
              if (ts.indexOf(p) !== -1)
                  return;
              if (p.choices && !ts.choices)
                  ts.choices = p.choices;
              ts.push(p);
              var i1 = tokens.indexOf(p, i + 1);
              if (i1 === -1)
                  return;
  
              var value = tokens.slice(i + 1, i1);
              var isNested = value.some(function(t) {return typeof t === "object";});
              if (isNested && !ts.value) {
                  ts.value = value;
              } else if (value.length && (!ts.value || typeof ts.value !== "string")) {
                  ts.value = value.join("");
              }
          });
          tabstops.forEach(function(ts) {ts.length = 0;});
          var expanding = {};
          function copyValue(val) {
              var copy = [];
              for (var i = 0; i < val.length; i++) {
                  var p = val[i];
                  if (typeof p == "object") {
                      if (expanding[p.tabstopId])
                          continue;
                      var j = val.lastIndexOf(p, i - 1);
                      p = copy[j] || {tabstopId: p.tabstopId};
                  }
                  copy[i] = p;
              }
              return copy;
          }
          for (var i = 0; i < tokens.length; i++) {
              var p = tokens[i];
              if (typeof p != "object")
                  continue;
              var id = p.tabstopId;
              var ts = tabstops[id];
              var i1 = tokens.indexOf(p, i + 1);
              if (expanding[id]) {
                  if (expanding[id] === p) {
                      delete expanding[id];
                      Object.keys(expanding).forEach(function(parentId) {
                          ts.parents[parentId] = true;
                      });
                  }
                  continue;
              }
              expanding[id] = p;
              var value = ts.value;
              if (typeof value !== "string")
                  value = copyValue(value);
              else if (p.fmt)
                  value = this.tmStrFormat(value, p, editor);
              tokens.splice.apply(tokens, [i + 1, Math.max(0, i1 - i)].concat(value, p));
  
              if (ts.indexOf(p) === -1)
                  ts.push(p);
          }
          var row = 0, column = 0;
          var text = "";
          tokens.forEach(function(t) {
              if (typeof t === "string") {
                  var lines = t.split("\n");
                  if (lines.length > 1){
                      column = lines[lines.length - 1].length;
                      row += lines.length - 1;
                  } else
                      column += t.length;
                  text += t;
              } else if (t) {
                  if (!t.start)
                      t.start = {row: row, column: column};
                  else
                      t.end = {row: row, column: column};
              }
          });
          var range = editor.getSelectionRange();
          var end = editor.session.replace(range, text);
  
          var tabstopManager = new TabstopManager(editor);
          var selectionId = editor.inVirtualSelectionMode && editor.selection.index;
          tabstopManager.addTabstops(tabstops, range.start, end, selectionId);
      };
      
      this.insertSnippet = function(editor, snippetText) {
          var self = this;
          if (editor.inVirtualSelectionMode)
              return self.insertSnippetForSelection(editor, snippetText);
          
          editor.forEachSelection(function() {
              self.insertSnippetForSelection(editor, snippetText);
          }, null, {keepOrder: true});
          
          if (editor.tabstopManager)
              editor.tabstopManager.tabNext();
      };
  
      this.$getScope = function(editor) {
          var scope = editor.session.$mode.$id || "";
          scope = scope.split("/").pop();
          if (scope === "html" || scope === "php") {
              if (scope === "php" && !editor.session.$mode.inlinePhp) 
                  scope = "html";
              var c = editor.getCursorPosition();
              var state = editor.session.getState(c.row);
              if (typeof state === "object") {
                  state = state[0];
              }
              if (state.substring) {
                  if (state.substring(0, 3) == "js-")
                      scope = "javascript";
                  else if (state.substring(0, 4) == "css-")
                      scope = "css";
                  else if (state.substring(0, 4) == "php-")
                      scope = "php";
              }
          }
          
          return scope;
      };
  
      this.getActiveScopes = function(editor) {
          var scope = this.$getScope(editor);
          var scopes = [scope];
          var snippetMap = this.snippetMap;
          if (snippetMap[scope] && snippetMap[scope].includeScopes) {
              scopes.push.apply(scopes, snippetMap[scope].includeScopes);
          }
          scopes.push("_");
          return scopes;
      };
  
      this.expandWithTab = function(editor, options) {
          var self = this;
          var result = editor.forEachSelection(function() {
              return self.expandSnippetForSelection(editor, options);
          }, null, {keepOrder: true});
          if (result && editor.tabstopManager)
              editor.tabstopManager.tabNext();
          return result;
      };
      
      this.expandSnippetForSelection = function(editor, options) {
          var cursor = editor.getCursorPosition();
          var line = editor.session.getLine(cursor.row);
          var before = line.substring(0, cursor.column);
          var after = line.substr(cursor.column);
  
          var snippetMap = this.snippetMap;
          var snippet;
          this.getActiveScopes(editor).some(function(scope) {
              var snippets = snippetMap[scope];
              if (snippets)
                  snippet = this.findMatchingSnippet(snippets, before, after);
              return !!snippet;
          }, this);
          if (!snippet)
              return false;
          if (options && options.dryRun)
              return true;
          editor.session.doc.removeInLine(cursor.row,
              cursor.column - snippet.replaceBefore.length,
              cursor.column + snippet.replaceAfter.length
          );
  
          this.variables.M__ = snippet.matchBefore;
          this.variables.T__ = snippet.matchAfter;
          this.insertSnippetForSelection(editor, snippet.content);
  
          this.variables.M__ = this.variables.T__ = null;
          return true;
      };
  
      this.findMatchingSnippet = function(snippetList, before, after) {
          for (var i = snippetList.length; i--;) {
              var s = snippetList[i];
              if (s.startRe && !s.startRe.test(before))
                  continue;
              if (s.endRe && !s.endRe.test(after))
                  continue;
              if (!s.startRe && !s.endRe)
                  continue;
  
              s.matchBefore = s.startRe ? s.startRe.exec(before) : [""];
              s.matchAfter = s.endRe ? s.endRe.exec(after) : [""];
              s.replaceBefore = s.triggerRe ? s.triggerRe.exec(before)[0] : "";
              s.replaceAfter = s.endTriggerRe ? s.endTriggerRe.exec(after)[0] : "";
              return s;
          }
      };
  
      this.snippetMap = {};
      this.snippetNameMap = {};
      this.register = function(snippets, scope) {
          var snippetMap = this.snippetMap;
          var snippetNameMap = this.snippetNameMap;
          var self = this;
          
          if (!snippets) 
              snippets = [];
          
          function wrapRegexp(src) {
              if (src && !/^\^?\(.*\)\$?$|^\\b$/.test(src))
                  src = "(?:" + src + ")";
  
              return src || "";
          }
          function guardedRegexp(re, guard, opening) {
              re = wrapRegexp(re);
              guard = wrapRegexp(guard);
              if (opening) {
                  re = guard + re;
                  if (re && re[re.length - 1] != "$")
                      re = re + "$";
              } else {
                  re = re + guard;
                  if (re && re[0] != "^")
                      re = "^" + re;
              }
              return new RegExp(re);
          }
  
          function addSnippet(s) {
              if (!s.scope)
                  s.scope = scope || "_";
              scope = s.scope;
              if (!snippetMap[scope]) {
                  snippetMap[scope] = [];
                  snippetNameMap[scope] = {};
              }
  
              var map = snippetNameMap[scope];
              if (s.name) {
                  var old = map[s.name];
                  if (old)
                      self.unregister(old);
                  map[s.name] = s;
              }
              snippetMap[scope].push(s);
  
              if (s.prefix)
                  s.tabTrigger = s.prefix;
  
              if (!s.content && s.body)
                  s.content = Array.isArray(s.body) ? s.body.join("\n") : s.body;
  
              if (s.tabTrigger && !s.trigger) {
                  if (!s.guard && /^\w/.test(s.tabTrigger))
                      s.guard = "\\b";
                  s.trigger = lang.escapeRegExp(s.tabTrigger);
              }
              
              if (!s.trigger && !s.guard && !s.endTrigger && !s.endGuard)
                  return;
              
              s.startRe = guardedRegexp(s.trigger, s.guard, true);
              s.triggerRe = new RegExp(s.trigger);
  
              s.endRe = guardedRegexp(s.endTrigger, s.endGuard, true);
              s.endTriggerRe = new RegExp(s.endTrigger);
          }
  
          if (Array.isArray(snippets)) {
              snippets.forEach(addSnippet);
          } else {
              Object.keys(snippets).forEach(function(key) {
                  addSnippet(snippets[key]);
              });
          }
          
          this._signal("registerSnippets", {scope: scope});
      };
      this.unregister = function(snippets, scope) {
          var snippetMap = this.snippetMap;
          var snippetNameMap = this.snippetNameMap;
  
          function removeSnippet(s) {
              var nameMap = snippetNameMap[s.scope||scope];
              if (nameMap && nameMap[s.name]) {
                  delete nameMap[s.name];
                  var map = snippetMap[s.scope||scope];
                  var i = map && map.indexOf(s);
                  if (i >= 0)
                      map.splice(i, 1);
              }
          }
          if (snippets.content)
              removeSnippet(snippets);
          else if (Array.isArray(snippets))
              snippets.forEach(removeSnippet);
      };
      this.parseSnippetFile = function(str) {
          str = str.replace(/\r/g, "");
          var list = [], snippet = {};
          var re = /^#.*|^({[\s\S]*})\s*$|^(\S+) (.*)$|^((?:\n*\t.*)+)/gm;
          var m;
          while (m = re.exec(str)) {
              if (m[1]) {
                  try {
                      snippet = JSON.parse(m[1]);
                      list.push(snippet);
                  } catch (e) {}
              } if (m[4]) {
                  snippet.content = m[4].replace(/^\t/gm, "");
                  list.push(snippet);
                  snippet = {};
              } else {
                  var key = m[2], val = m[3];
                  if (key == "regex") {
                      var guardRe = /\/((?:[^\/\\]|\\.)*)|$/g;
                      snippet.guard = guardRe.exec(val)[1];
                      snippet.trigger = guardRe.exec(val)[1];
                      snippet.endTrigger = guardRe.exec(val)[1];
                      snippet.endGuard = guardRe.exec(val)[1];
                  } else if (key == "snippet") {
                      snippet.tabTrigger = val.match(/^\S*/)[0];
                      if (!snippet.name)
                          snippet.name = val;
                  } else if (key) {
                      snippet[key] = val;
                  }
              }
          }
          return list;
      };
      this.getSnippetByName = function(name, editor) {
          var snippetMap = this.snippetNameMap;
          var snippet;
          this.getActiveScopes(editor).some(function(scope) {
              var snippets = snippetMap[scope];
              if (snippets)
                  snippet = snippets[name];
              return !!snippet;
          }, this);
          return snippet;
      };
  
  }).call(SnippetManager.prototype);
  
  
  var TabstopManager = function(editor) {
      if (editor.tabstopManager)
          return editor.tabstopManager;
      editor.tabstopManager = this;
      this.$onChange = this.onChange.bind(this);
      this.$onChangeSelection = lang.delayedCall(this.onChangeSelection.bind(this)).schedule;
      this.$onChangeSession = this.onChangeSession.bind(this);
      this.$onAfterExec = this.onAfterExec.bind(this);
      this.attach(editor);
  };
  (function() {
      this.attach = function(editor) {
          this.index = 0;
          this.ranges = [];
          this.tabstops = [];
          this.$openTabstops = null;
          this.selectedTabstop = null;
  
          this.editor = editor;
          this.editor.on("change", this.$onChange);
          this.editor.on("changeSelection", this.$onChangeSelection);
          this.editor.on("changeSession", this.$onChangeSession);
          this.editor.commands.on("afterExec", this.$onAfterExec);
          this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
      };
      this.detach = function() {
          this.tabstops.forEach(this.removeTabstopMarkers, this);
          this.ranges = null;
          this.tabstops = null;
          this.selectedTabstop = null;
          this.editor.removeListener("change", this.$onChange);
          this.editor.removeListener("changeSelection", this.$onChangeSelection);
          this.editor.removeListener("changeSession", this.$onChangeSession);
          this.editor.commands.removeListener("afterExec", this.$onAfterExec);
          this.editor.keyBinding.removeKeyboardHandler(this.keyboardHandler);
          this.editor.tabstopManager = null;
          this.editor = null;
      };
  
      this.onChange = function(delta) {
          var isRemove = delta.action[0] == "r";
          var selectedTabstop = this.selectedTabstop || {};
          var parents = selectedTabstop.parents || {};
          var tabstops = (this.tabstops || []).slice();
          for (var i = 0; i < tabstops.length; i++) {
              var ts = tabstops[i];
              var active = ts == selectedTabstop || parents[ts.index];
              ts.rangeList.$bias = active ? 0 : 1;
              
              if (delta.action == "remove" && ts !== selectedTabstop) {
                  var parentActive = ts.parents && ts.parents[selectedTabstop.index];
                  var startIndex = ts.rangeList.pointIndex(delta.start, parentActive);
                  startIndex = startIndex < 0 ? -startIndex - 1 : startIndex + 1;
                  var endIndex = ts.rangeList.pointIndex(delta.end, parentActive);
                  endIndex = endIndex < 0 ? -endIndex - 1 : endIndex - 1;
                  var toRemove = ts.rangeList.ranges.slice(startIndex, endIndex);
                  for (var j = 0; j < toRemove.length; j++)
                      this.removeRange(toRemove[j]);
              }
              ts.rangeList.$onChange(delta);
          }
          var session = this.editor.session;
          if (!this.$inChange && isRemove && session.getLength() == 1 && !session.getValue())
              this.detach();
      };
      this.updateLinkedFields = function() {
          var ts = this.selectedTabstop;
          if (!ts || !ts.hasLinkedRanges || !ts.firstNonLinked)
              return;
          this.$inChange = true;
          var session = this.editor.session;
          var text = session.getTextRange(ts.firstNonLinked);
          for (var i = 0; i < ts.length; i++) {
              var range = ts[i];
              if (!range.linked)
                  continue;
              var original = range.original;
              var fmt = exports.snippetManager.tmStrFormat(text, original, this.editor);
              session.replace(range, fmt);
          }
          this.$inChange = false;
      };
      this.onAfterExec = function(e) {
          if (e.command && !e.command.readOnly)
              this.updateLinkedFields();
      };
      this.onChangeSelection = function() {
          if (!this.editor)
              return;
          var lead = this.editor.selection.lead;
          var anchor = this.editor.selection.anchor;
          var isEmpty = this.editor.selection.isEmpty();
          for (var i = 0; i < this.ranges.length; i++) {
              if (this.ranges[i].linked)
                  continue;
              var containsLead = this.ranges[i].contains(lead.row, lead.column);
              var containsAnchor = isEmpty || this.ranges[i].contains(anchor.row, anchor.column);
              if (containsLead && containsAnchor)
                  return;
          }
          this.detach();
      };
      this.onChangeSession = function() {
          this.detach();
      };
      this.tabNext = function(dir) {
          var max = this.tabstops.length;
          var index = this.index + (dir || 1);
          index = Math.min(Math.max(index, 1), max);
          if (index == max)
              index = 0;
          this.selectTabstop(index);
          if (index === 0)
              this.detach();
      };
      this.selectTabstop = function(index) {
          this.$openTabstops = null;
          var ts = this.tabstops[this.index];
          if (ts)
              this.addTabstopMarkers(ts);
          this.index = index;
          ts = this.tabstops[this.index];
          if (!ts || !ts.length)
              return;
          
          this.selectedTabstop = ts;
          var range = ts.firstNonLinked || ts;
          if (ts.choices) range.cursor = range.start;
          if (!this.editor.inVirtualSelectionMode) {
              var sel = this.editor.multiSelect;
              sel.toSingleRange(range);
              for (var i = 0; i < ts.length; i++) {
                  if (ts.hasLinkedRanges && ts[i].linked)
                      continue;
                  sel.addRange(ts[i].clone(), true);
              }
          } else {
              this.editor.selection.fromOrientedRange(range);
          }
          
          this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
          if (this.selectedTabstop && this.selectedTabstop.choices)
              this.editor.execCommand("startAutocomplete", {matches: this.selectedTabstop.choices});
      };
      this.addTabstops = function(tabstops, start, end) {
          var useLink = this.useLink || !this.editor.getOption("enableMultiselect");
          
          if (!this.$openTabstops)
              this.$openTabstops = [];
          if (!tabstops[0]) {
              var p = Range.fromPoints(end, end);
              moveRelative(p.start, start);
              moveRelative(p.end, start);
              tabstops[0] = [p];
              tabstops[0].index = 0;
          }
  
          var i = this.index;
          var arg = [i + 1, 0];
          var ranges = this.ranges;
          tabstops.forEach(function(ts, index) {
              var dest = this.$openTabstops[index] || ts;
              
              for (var i = 0; i < ts.length; i++) {
                  var p = ts[i];
                  var range = Range.fromPoints(p.start, p.end || p.start);
                  movePoint(range.start, start);
                  movePoint(range.end, start);
                  range.original = p;
                  range.tabstop = dest;
                  ranges.push(range);
                  if (dest != ts)
                      dest.unshift(range);
                  else
                      dest[i] = range;
                  if (p.fmtString || (dest.firstNonLinked && useLink)) {
                      range.linked = true;
                      dest.hasLinkedRanges = true;
                  } else if (!dest.firstNonLinked)
                      dest.firstNonLinked = range;
              }
              if (!dest.firstNonLinked)
                  dest.hasLinkedRanges = false;
              if (dest === ts) {
                  arg.push(dest);
                  this.$openTabstops[index] = dest;
              }
              this.addTabstopMarkers(dest);
              dest.rangeList = dest.rangeList || new RangeList();
              dest.rangeList.$bias = 0;
              dest.rangeList.addList(dest);
          }, this);
          
          if (arg.length > 2) {
              if (this.tabstops.length)
                  arg.push(arg.splice(2, 1)[0]);
              this.tabstops.splice.apply(this.tabstops, arg);
          }
      };
  
      this.addTabstopMarkers = function(ts) {
          var session = this.editor.session;
          ts.forEach(function(range) {
              if  (!range.markerId)
                  range.markerId = session.addMarker(range, "ace_snippet-marker", "text");
          });
      };
      this.removeTabstopMarkers = function(ts) {
          var session = this.editor.session;
          ts.forEach(function(range) {
              session.removeMarker(range.markerId);
              range.markerId = null;
          });
      };
      this.removeRange = function(range) {
          var i = range.tabstop.indexOf(range);
          if (i != -1) range.tabstop.splice(i, 1);
          i = this.ranges.indexOf(range);
          if (i != -1) this.ranges.splice(i, 1);
          i = range.tabstop.rangeList.ranges.indexOf(range);
          if (i != -1) range.tabstop.splice(i, 1);
          this.editor.session.removeMarker(range.markerId);
          if (!range.tabstop.length) {
              i = this.tabstops.indexOf(range.tabstop);
              if (i != -1)
                  this.tabstops.splice(i, 1);
              if (!this.tabstops.length)
                  this.detach();
          }
      };
  
      this.keyboardHandler = new HashHandler();
      this.keyboardHandler.bindKeys({
          "Tab": function(editor) {
              if (exports.snippetManager && exports.snippetManager.expandWithTab(editor))
                  return;
              editor.tabstopManager.tabNext(1);
              editor.renderer.scrollCursorIntoView();
          },
          "Shift-Tab": function(editor) {
              editor.tabstopManager.tabNext(-1);
              editor.renderer.scrollCursorIntoView();
          },
          "Esc": function(editor) {
              editor.tabstopManager.detach();
          }
      });
  }).call(TabstopManager.prototype);
  
  
  
  var movePoint = function(point, diff) {
      if (point.row == 0)
          point.column += diff.column;
      point.row += diff.row;
  };
  
  var moveRelative = function(point, start) {
      if (point.row == start.row)
          point.column -= start.column;
      point.row -= start.row;
  };
  
  
  require("./lib/dom").importCssString("\
  .ace_snippet-marker {\
      -moz-box-sizing: border-box;\
      box-sizing: border-box;\
      background: rgba(194, 193, 208, 0.09);\
      border: 1px dotted rgba(211, 208, 235, 0.62);\
      position: absolute;\
  }");
  
  exports.snippetManager = new SnippetManager();
  
  
  var Editor = require("./editor").Editor;
  (function() {
      this.insertSnippet = function(content, options) {
          return exports.snippetManager.insertSnippet(this, content, options);
      };
      this.expandSnippet = function(options) {
          return exports.snippetManager.expandWithTab(this, options);
      };
  }).call(Editor.prototype);
  
  });
  
  define("ace/ext/emmet",["require","exports","module","ace/keyboard/hash_handler","ace/editor","ace/snippets","ace/range","ace/config","resources","resources","tabStops","resources","utils","actions"], function(require, exports, module) {
  "use strict";
  var HashHandler = require("../keyboard/hash_handler").HashHandler;
  var Editor = require("../editor").Editor;
  var snippetManager = require("../snippets").snippetManager;
  var Range = require("../range").Range;
  var config = require("../config");
  var emmet, emmetPath;
  function AceEmmetEditor() {}
  
  AceEmmetEditor.prototype = {
      setupContext: function(editor) {
          this.ace = editor;
          this.indentation = editor.session.getTabString();
          if (!emmet)
              emmet = window.emmet;
          var resources = emmet.resources || emmet.require("resources");
          resources.setVariable("indentation", this.indentation);
          this.$syntax = null;
          this.$syntax = this.getSyntax();
      },
      getSelectionRange: function() {
          var range = this.ace.getSelectionRange();
          var doc = this.ace.session.doc;
          return {
              start: doc.positionToIndex(range.start),
              end: doc.positionToIndex(range.end)
          };
      },
      createSelection: function(start, end) {
          var doc = this.ace.session.doc;
          this.ace.selection.setRange({
              start: doc.indexToPosition(start),
              end: doc.indexToPosition(end)
          });
      },
      getCurrentLineRange: function() {
          var ace = this.ace;
          var row = ace.getCursorPosition().row;
          var lineLength = ace.session.getLine(row).length;
          var index = ace.session.doc.positionToIndex({row: row, column: 0});
          return {
              start: index,
              end: index + lineLength
          };
      },
      getCaretPos: function(){
          var pos = this.ace.getCursorPosition();
          return this.ace.session.doc.positionToIndex(pos);
      },
      setCaretPos: function(index){
          var pos = this.ace.session.doc.indexToPosition(index);
          this.ace.selection.moveToPosition(pos);
      },
      getCurrentLine: function() {
          var row = this.ace.getCursorPosition().row;
          return this.ace.session.getLine(row);
      },
      replaceContent: function(value, start, end, noIndent) {
          if (end == null)
              end = start == null ? this.getContent().length : start;
          if (start == null)
              start = 0;        
          
          var editor = this.ace;
          var doc = editor.session.doc;
          var range = Range.fromPoints(doc.indexToPosition(start), doc.indexToPosition(end));
          editor.session.remove(range);
          
          range.end = range.start;
          
          value = this.$updateTabstops(value);
          snippetManager.insertSnippet(editor, value);
      },
      getContent: function(){
          return this.ace.getValue();
      },
      getSyntax: function() {
          if (this.$syntax)
              return this.$syntax;
          var syntax = this.ace.session.$modeId.split("/").pop();
          if (syntax == "html" || syntax == "php") {
              var cursor = this.ace.getCursorPosition();
              var state = this.ace.session.getState(cursor.row);
              if (typeof state != "string")
                  state = state[0];
              if (state) {
                  state = state.split("-");
                  if (state.length > 1)
                      syntax = state[0];
                  else if (syntax == "php")
                      syntax = "html";
              }
          }
          return syntax;
      },
      getProfileName: function() {
          var resources = emmet.resources || emmet.require("resources");
          switch (this.getSyntax()) {
            case "css": return "css";
            case "xml":
            case "xsl":
              return "xml";
            case "html":
              var profile = resources.getVariable("profile");
              if (!profile)
                  profile = this.ace.session.getLines(0,2).join("").search(/<!DOCTYPE[^>]+XHTML/i) != -1 ? "xhtml": "html";
              return profile;
            default:
              var mode = this.ace.session.$mode;
              return mode.emmetConfig && mode.emmetConfig.profile || "xhtml";
          }
      },
      prompt: function(title) {
          return prompt(title); // eslint-disable-line no-alert
      },
      getSelection: function() {
          return this.ace.session.getTextRange();
      },
      getFilePath: function() {
          return "";
      },
      $updateTabstops: function(value) {
          var base = 1000;
          var zeroBase = 0;
          var lastZero = null;
          var ts = emmet.tabStops || emmet.require('tabStops');
          var resources = emmet.resources || emmet.require("resources");
          var settings = resources.getVocabulary("user");
          var tabstopOptions = {
              tabstop: function(data) {
                  var group = parseInt(data.group, 10);
                  var isZero = group === 0;
                  if (isZero)
                      group = ++zeroBase;
                  else
                      group += base;
  
                  var placeholder = data.placeholder;
                  if (placeholder) {
                      placeholder = ts.processText(placeholder, tabstopOptions);
                  }
  
                  var result = '${' + group + (placeholder ? ':' + placeholder : '') + '}';
  
                  if (isZero) {
                      lastZero = [data.start, result];
                  }
  
                  return result;
              },
              escape: function(ch) {
                  if (ch == '$') return '\\$';
                  if (ch == '\\') return '\\\\';
                  return ch;
              }
          };
  
          value = ts.processText(value, tabstopOptions);
  
          if (settings.variables['insert_final_tabstop'] && !/\$\{0\}$/.test(value)) {
              value += '${0}';
          } else if (lastZero) {
              var common = emmet.utils ? emmet.utils.common : emmet.require('utils');
              value = common.replaceSubstring(value, '${0}', lastZero[0], lastZero[1]);
          }
          
          return value;
      }
  };
  
  
  var keymap = {
      expand_abbreviation: {"mac": "ctrl+alt+e", "win": "alt+e"},
      match_pair_outward: {"mac": "ctrl+d", "win": "ctrl+,"},
      match_pair_inward: {"mac": "ctrl+j", "win": "ctrl+shift+0"},
      matching_pair: {"mac": "ctrl+alt+j", "win": "alt+j"},
      next_edit_point: "alt+right",
      prev_edit_point: "alt+left",
      toggle_comment: {"mac": "command+/", "win": "ctrl+/"},
      split_join_tag: {"mac": "shift+command+'", "win": "shift+ctrl+`"},
      remove_tag: {"mac": "command+'", "win": "shift+ctrl+;"},
      evaluate_math_expression: {"mac": "shift+command+y", "win": "shift+ctrl+y"},
      increment_number_by_1: "ctrl+up",
      decrement_number_by_1: "ctrl+down",
      increment_number_by_01: "alt+up",
      decrement_number_by_01: "alt+down",
      increment_number_by_10: {"mac": "alt+command+up", "win": "shift+alt+up"},
      decrement_number_by_10: {"mac": "alt+command+down", "win": "shift+alt+down"},
      select_next_item: {"mac": "shift+command+.", "win": "shift+ctrl+."},
      select_previous_item: {"mac": "shift+command+,", "win": "shift+ctrl+,"},
      reflect_css_value: {"mac": "shift+command+r", "win": "shift+ctrl+r"},
  
      encode_decode_data_url: {"mac": "shift+ctrl+d", "win": "ctrl+'"},
      expand_abbreviation_with_tab: "Tab",
      wrap_with_abbreviation: {"mac": "shift+ctrl+a", "win": "shift+ctrl+a"}
  };
  
  var editorProxy = new AceEmmetEditor();
  exports.commands = new HashHandler();
  exports.runEmmetCommand = function runEmmetCommand(editor) {
      if (this.action == "expand_abbreviation_with_tab") {
          if (!editor.selection.isEmpty())
              return false;
          var pos = editor.selection.lead;
          var token = editor.session.getTokenAt(pos.row, pos.column);
          if (token && /\btag\b/.test(token.type))
              return false;
      }
      try {
          editorProxy.setupContext(editor);
          var actions = emmet.actions || emmet.require("actions");
          
          if (this.action == "wrap_with_abbreviation") {
              return setTimeout(function() {
                  actions.run("wrap_with_abbreviation", editorProxy);
              }, 0);
          }
          
          var result = actions.run(this.action, editorProxy);
      } catch(e) {
          if (!emmet) {
              var loading = exports.load(runEmmetCommand.bind(this, editor));
              if (this.action == "expand_abbreviation_with_tab")
                  return false;
              return loading;
          }
          editor._signal("changeStatus", typeof e == "string" ? e : e.message);
          config.warn(e);
          result = false;
      }
      return result;
  };
  
  for (var command in keymap) {
      exports.commands.addCommand({
          name: "emmet:" + command,
          action: command,
          bindKey: keymap[command],
          exec: exports.runEmmetCommand,
          multiSelectAction: "forEach"
      });
  }
  
  exports.updateCommands = function(editor, enabled) {
      if (enabled) {
          editor.keyBinding.addKeyboardHandler(exports.commands);
      } else {
          editor.keyBinding.removeKeyboardHandler(exports.commands);
      }
  };
  
  exports.isSupportedMode = function(mode) {
      if (!mode) return false;
      if (mode.emmetConfig) return true;
      var id = mode.$id || mode;
      return /css|less|scss|sass|stylus|html|php|twig|ejs|handlebars/.test(id);
  };
  
  exports.isAvailable = function(editor, command) {
      if (/(evaluate_math_expression|expand_abbreviation)$/.test(command))
          return true;
      var mode = editor.session.$mode;
      var isSupported = exports.isSupportedMode(mode);
      if (isSupported && mode.$modes) {
          try {
              editorProxy.setupContext(editor);
              if (/js|php/.test(editorProxy.getSyntax()))
                  isSupported = false;
          } catch(e) {}
      }
      return isSupported;
  };
  
  var onChangeMode = function(e, target) {
      var editor = target;
      if (!editor)
          return;
      var enabled = exports.isSupportedMode(editor.session.$mode);
      if (e.enableEmmet === false)
          enabled = false;
      if (enabled)
          exports.load();
      exports.updateCommands(editor, enabled);
  };
  
  exports.load = function(cb) {
      if (typeof emmetPath !== "string") {
          config.warn("script for emmet-core is not loaded");
          return false;
      }
      config.loadModule(emmetPath, function() {
          emmetPath = null;
          cb && cb();
      });
      return true;
  };
  
  exports.AceEmmetEditor = AceEmmetEditor;
  config.defineOptions(Editor.prototype, "editor", {
      enableEmmet: {
          set: function(val) {
              this[val ? "on" : "removeListener"]("changeMode", onChangeMode);
              onChangeMode({enableEmmet: !!val}, this);
          },
          value: true
      }
  });
  
  exports.setCore = function(e) {
      if (typeof e == "string")
         emmetPath = e;
      else
         emmet = e;
  };
  });                (function() {
                      window.require(["ace/ext/emmet"], function(m) {
                          if (typeof module == "object" && typeof exports == "object" && module) {
                              module.exports = m;
                          }
                      });
                  })();
              