text: "use strict";
  var __importDefault = (this && this.__importDefault) || function (mod) {
      return (mod && mod.__esModule) ? mod : { "default": mod };
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  var decode_codepoint_1 = __importDefault(require("entities/lib/decode_codepoint"));
  var entities_json_1 = __importDefault(require("entities/lib/maps/entities.json"));
  var legacy_json_1 = __importDefault(require("entities/lib/maps/legacy.json"));
  var xml_json_1 = __importDefault(require("entities/lib/maps/xml.json"));
  function whitespace(c) {
      return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
  }
  function ifElseState(upper, SUCCESS, FAILURE) {
      var lower = upper.toLowerCase();
      if (upper === lower) {
          return function (t, c) {
              if (c === lower) {
                  t._state = SUCCESS;
              }
              else {
                  t._state = FAILURE;
                  t._index--;
              }
          };
      }
      else {
          return function (t, c) {
              if (c === lower || c === upper) {
                  t._state = SUCCESS;
              }
              else {
                  t._state = FAILURE;
                  t._index--;
              }
          };
      }
  }
  function consumeSpecialNameChar(upper, NEXT_STATE) {
      var lower = upper.toLowerCase();
      return function (t, c) {
          if (c === lower || c === upper) {
              t._state = NEXT_STATE;
          }
          else {
              t._state = 3 /* InTagName */;
              t._index--; //consume the token again
          }
      };
  }
  var stateBeforeCdata1 = ifElseState("C", 23 /* BeforeCdata2 */, 16 /* InDeclaration */);
  var stateBeforeCdata2 = ifElseState("D", 24 /* BeforeCdata3 */, 16 /* InDeclaration */);
  var stateBeforeCdata3 = ifElseState("A", 25 /* BeforeCdata4 */, 16 /* InDeclaration */);
  var stateBeforeCdata4 = ifElseState("T", 26 /* BeforeCdata5 */, 16 /* InDeclaration */);
  var stateBeforeCdata5 = ifElseState("A", 27 /* BeforeCdata6 */, 16 /* InDeclaration */);
  var stateBeforeScript1 = consumeSpecialNameChar("R", 34 /* BeforeScript2 */);
  var stateBeforeScript2 = consumeSpecialNameChar("I", 35 /* BeforeScript3 */);
  var stateBeforeScript3 = consumeSpecialNameChar("P", 36 /* BeforeScript4 */);
  var stateBeforeScript4 = consumeSpecialNameChar("T", 37 /* BeforeScript5 */);
  var stateAfterScript1 = ifElseState("R", 39 /* AfterScript2 */, 1 /* Text */);
  var stateAfterScript2 = ifElseState("I", 40 /* AfterScript3 */, 1 /* Text */);
  var stateAfterScript3 = ifElseState("P", 41 /* AfterScript4 */, 1 /* Text */);
  var stateAfterScript4 = ifElseState("T", 42 /* AfterScript5 */, 1 /* Text */);
  var stateBeforeStyle1 = consumeSpecialNameChar("Y", 44 /* BeforeStyle2 */);
  var stateBeforeStyle2 = consumeSpecialNameChar("L", 45 /* BeforeStyle3 */);
  var stateBeforeStyle3 = consumeSpecialNameChar("E", 46 /* BeforeStyle4 */);
  var stateAfterStyle1 = ifElseState("Y", 48 /* AfterStyle2 */, 1 /* Text */);
  var stateAfterStyle2 = ifElseState("L", 49 /* AfterStyle3 */, 1 /* Text */);
  var stateAfterStyle3 = ifElseState("E", 50 /* AfterStyle4 */, 1 /* Text */);
  var stateBeforeEntity = ifElseState("#", 52 /* BeforeNumericEntity */, 53 /* InNamedEntity */);
  var stateBeforeNumericEntity = ifElseState("X", 55 /* InHexEntity */, 54 /* InNumericEntity */);
  var Tokenizer = /** @class */ (function () {
      function Tokenizer(options, cbs) {
          /** The current state the tokenizer is in. */
          this._state = 1 /* Text */;
          /** The read buffer. */
          this._buffer = "";
          /** The beginning of the section that is currently being read. */
          this._sectionStart = 0;
          /** The index within the buffer that we are currently looking at. */
          this._index = 0;
          /**
           * Data that has already been processed will be removed from the buffer occasionally.
           * `_bufferOffset` keeps track of how many characters have been removed, to make sure position information is accurate.
           */
          this._bufferOffset = 0;
          /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
          this._baseState = 1 /* Text */;
          /** For special parsing behavior inside of script and style tags. */
          this._special = 1 /* None */;
          /** Indicates whether the tokenizer has been paused. */
          this._running = true;
          /** Indicates whether the tokenizer has finished running / `.end` has been called. */
          this._ended = false;
          this._cbs = cbs;
          this._xmlMode = !!(options && options.xmlMode);
          this._decodeEntities = !!(options && options.decodeEntities);
      }
      Tokenizer.prototype.reset = function () {
          this._state = 1 /* Text */;
          this._buffer = "";
          this._sectionStart = 0;
          this._index = 0;
          this._bufferOffset = 0;
          this._baseState = 1 /* Text */;
          this._special = 1 /* None */;
          this._running = true;
          this._ended = false;
      };
      Tokenizer.prototype._stateText = function (c) {
          if (c === "<") {
              if (this._index > this._sectionStart) {
                  this._cbs.ontext(this._getSection());
              }
              this._state = 2 /* BeforeTagName */;
              this._sectionStart = this._index;
          }
          else if (this._decodeEntities &&
              this._special === 1 /* None */ &&
              c === "&") {
              if (this._index > this._sectionStart) {
                  this._cbs.ontext(this._getSection());
              }
              this._baseState = 1 /* Text */;
              this._state = 51 /* BeforeEntity */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateBeforeTagName = function (c) {
          if (c === "/") {
              this._state = 5 /* BeforeClosingTagName */;
          }
          else if (c === "<") {
              this._cbs.ontext(this._getSection());
              this._sectionStart = this._index;
          }
          else if (c === ">" ||
              this._special !== 1 /* None */ ||
              whitespace(c)) {
              this._state = 1 /* Text */;
          }
          else if (c === "!") {
              this._state = 15 /* BeforeDeclaration */;
              this._sectionStart = this._index + 1;
          }
          else if (c === "?") {
              this._state = 17 /* InProcessingInstruction */;
              this._sectionStart = this._index + 1;
          }
          else {
              this._state =
                  !this._xmlMode && (c === "s" || c === "S")
                      ? 31 /* BeforeSpecial */
                      : 3 /* InTagName */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateInTagName = function (c) {
          if (c === "/" || c === ">" || whitespace(c)) {
              this._emitToken("onopentagname");
              this._state = 8 /* BeforeAttributeName */;
              this._index--;
          }
      };
      Tokenizer.prototype._stateBeforeClosingTagName = function (c) {
          if (whitespace(c)) {
              // ignore
          }
          else if (c === ">") {
              this._state = 1 /* Text */;
          }
          else if (this._special !== 1 /* None */) {
              if (c === "s" || c === "S") {
                  this._state = 32 /* BeforeSpecialEnd */;
              }
              else {
                  this._state = 1 /* Text */;
                  this._index--;
              }
          }
          else {
              this._state = 6 /* InClosingTagName */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateInClosingTagName = function (c) {
          if (c === ">" || whitespace(c)) {
              this._emitToken("onclosetag");
              this._state = 7 /* AfterClosingTagName */;
              this._index--;
          }
      };
      Tokenizer.prototype._stateAfterClosingTagName = function (c) {
          //skip everything until ">"
          if (c === ">") {
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
      };
      Tokenizer.prototype._stateBeforeAttributeName = function (c) {
          if (c === ">") {
              this._cbs.onopentagend();
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
          else if (c === "/") {
              this._state = 4 /* InSelfClosingTag */;
          }
          else if (!whitespace(c)) {
              this._state = 9 /* InAttributeName */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateInSelfClosingTag = function (c) {
          if (c === ">") {
              this._cbs.onselfclosingtag();
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
          else if (!whitespace(c)) {
              this._state = 8 /* BeforeAttributeName */;
              this._index--;
          }
      };
      Tokenizer.prototype._stateInAttributeName = function (c) {
          if (c === "=" || c === "/" || c === ">" || whitespace(c)) {
              this._cbs.onattribname(this._getSection());
              this._sectionStart = -1;
              this._state = 10 /* AfterAttributeName */;
              this._index--;
          }
      };
      Tokenizer.prototype._stateAfterAttributeName = function (c) {
          if (c === "=") {
              this._state = 11 /* BeforeAttributeValue */;
          }
          else if (c === "/" || c === ">") {
              this._cbs.onattribend();
              this._state = 8 /* BeforeAttributeName */;
              this._index--;
          }
          else if (!whitespace(c)) {
              this._cbs.onattribend();
              this._state = 9 /* InAttributeName */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateBeforeAttributeValue = function (c) {
          if (c === '"') {
              this._state = 12 /* InAttributeValueDq */;
              this._sectionStart = this._index + 1;
          }
          else if (c === "'") {
              this._state = 13 /* InAttributeValueSq */;
              this._sectionStart = this._index + 1;
          }
          else if (!whitespace(c)) {
              this._state = 14 /* InAttributeValueNq */;
              this._sectionStart = this._index;
              this._index--; //reconsume token
          }
      };
      Tokenizer.prototype._stateInAttributeValueDoubleQuotes = function (c) {
          if (c === '"') {
              this._emitToken("onattribdata");
              this._cbs.onattribend();
              this._state = 8 /* BeforeAttributeName */;
          }
          else if (this._decodeEntities && c === "&") {
              this._emitToken("onattribdata");
              this._baseState = this._state;
              this._state = 51 /* BeforeEntity */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateInAttributeValueSingleQuotes = function (c) {
          if (c === "'") {
              this._emitToken("onattribdata");
              this._cbs.onattribend();
              this._state = 8 /* BeforeAttributeName */;
          }
          else if (this._decodeEntities && c === "&") {
              this._emitToken("onattribdata");
              this._baseState = this._state;
              this._state = 51 /* BeforeEntity */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateInAttributeValueNoQuotes = function (c) {
          if (whitespace(c) || c === ">") {
              this._emitToken("onattribdata");
              this._cbs.onattribend();
              this._state = 8 /* BeforeAttributeName */;
              this._index--;
          }
          else if (this._decodeEntities && c === "&") {
              this._emitToken("onattribdata");
              this._baseState = this._state;
              this._state = 51 /* BeforeEntity */;
              this._sectionStart = this._index;
          }
      };
      Tokenizer.prototype._stateBeforeDeclaration = function (c) {
          this._state =
              c === "["
                  ? 22 /* BeforeCdata1 */
                  : c === "-"
                      ? 18 /* BeforeComment */
                      : 16 /* InDeclaration */;
      };
      Tokenizer.prototype._stateInDeclaration = function (c) {
          if (c === ">") {
              this._cbs.ondeclaration(this._getSection());
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
      };
      Tokenizer.prototype._stateInProcessingInstruction = function (c) {
          if (c === ">") {
              this._cbs.onprocessinginstruction(this._getSection());
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
      };
      Tokenizer.prototype._stateBeforeComment = function (c) {
          if (c === "-") {
              this._state = 19 /* InComment */;
              this._sectionStart = this._index + 1;
          }
          else {
              this._state = 16 /* InDeclaration */;
          }
      };
      Tokenizer.prototype._stateInComment = function (c) {
          if (c === "-")
              this._state = 20 /* AfterComment1 */;
      };
      Tokenizer.prototype._stateAfterComment1 = function (c) {
          if (c === "-") {
              this._state = 21 /* AfterComment2 */;
          }
          else {
              this._state = 19 /* InComment */;
          }
      };
      Tokenizer.prototype._stateAfterComment2 = function (c) {
          if (c === ">") {
              //remove 2 trailing chars
              this._cbs.oncomment(this._buffer.substring(this._sectionStart, this._index - 2));
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
          else if (c !== "-") {
              this._state = 19 /* InComment */;
          }
          // else: stay in AFTER_COMMENT_2 (`--->`)
      };
      Tokenizer.prototype._stateBeforeCdata6 = function (c) {
          if (c === "[") {
              this._state = 28 /* InCdata */;
              this._sectionStart = this._index + 1;
          }
          else {
              this._state = 16 /* InDeclaration */;
              this._index--;
          }
      };
      Tokenizer.prototype._stateInCdata = function (c) {
          if (c === "]")
              this._state = 29 /* AfterCdata1 */;
      };
      Tokenizer.prototype._stateAfterCdata1 = function (c) {
          if (c === "]")
              this._state = 30 /* AfterCdata2 */;
          else
              this._state = 28 /* InCdata */;
      };
      Tokenizer.prototype._stateAfterCdata2 = function (c) {
          if (c === ">") {
              //remove 2 trailing chars
              this._cbs.oncdata(this._buffer.substring(this._sectionStart, this._index - 2));
              this._state = 1 /* Text */;
              this._sectionStart = this._index + 1;
          }
          else if (c !== "]") {
              this._state = 28 /* InCdata */;
          }
          //else: stay in AFTER_CDATA_2 (`]]]>`)
      };
      Tokenizer.prototype._stateBeforeSpecial = function (c) {
          if (c === "c" || c === "C") {
              this._state = 33 /* BeforeScript1 */;
          }
          else if (c === "t" || c === "T") {
              this._state = 43 /* BeforeStyle1 */;
          }
          else {
              this._state = 3 /* InTagName */;
              this._index--; //consume the token again
          }
      };
      Tokenizer.prototype._stateBeforeSpecialEnd = function (c) {
          if (this._special === 2 /* Script */ && (c === "c" || c === "C")) {
              this._state = 38 /* AfterScript1 */;
          }
          else if (this._special === 3 /* Style */ &&
              (c === "t" || c === "T")) {
              this._state = 47 /* AfterStyle1 */;
          }
          else
              this._state = 1 /* Text */;
      };
      Tokenizer.prototype._stateBeforeScript5 = function (c) {
          if (c === "/" || c === ">" || whitespace(c)) {
              this._special = 2 /* Script */;
          }
          this._state = 3 /* InTagName */;
          this._index--; //consume the token again
      };
      Tokenizer.prototype._stateAfterScript5 = function (c) {
          if (c === ">" || whitespace(c)) {
              this._special = 1 /* None */;
              this._state = 6 /* InClosingTagName */;
              this._sectionStart = this._index - 6;
              this._index--; //reconsume the token
          }
          else
              this._state = 1 /* Text */;
      };
      Tokenizer.prototype._stateBeforeStyle4 = function (c) {
          if (c === "/" || c === ">" || whitespace(c)) {
              this._special = 3 /* Style */;
          }
          this._state = 3 /* InTagName */;
          this._index--; //consume the token again
      };
      Tokenizer.prototype._stateAfterStyle4 = function (c) {
          if (c === ">" || whitespace(c)) {
              this._special = 1 /* None */;
              this._state = 6 /* InClosingTagName */;
              this._sectionStart = this._index - 5;
              this._index--; //reconsume the token
          }
          else
              this._state = 1 /* Text */;
      };
      //for entities terminated with a semicolon
      Tokenizer.prototype._parseNamedEntityStrict = function () {
          //offset = 1
          if (this._sectionStart + 1 < this._index) {
              var entity = this._buffer.substring(this._sectionStart + 1, this._index), map = this._xmlMode ? xml_json_1.default : entities_json_1.default;
              if (Object.prototype.hasOwnProperty.call(map, entity)) {
                  // @ts-ignore
                  this._emitPartial(map[entity]);
                  this._sectionStart = this._index + 1;
              }
          }
      };
      //parses legacy entities (without trailing semicolon)
      Tokenizer.prototype._parseLegacyEntity = function () {
          var start = this._sectionStart + 1;
          var limit = this._index - start;
          if (limit > 6)
              limit = 6; // The max length of legacy entities is 6
          while (limit >= 2) {
              // The min length of legacy entities is 2
              var entity = this._buffer.substr(start, limit);
              if (Object.prototype.hasOwnProperty.call(legacy_json_1.default, entity)) {
                  // @ts-ignore
                  this._emitPartial(legacy_json_1.default[entity]);
                  this._sectionStart += limit + 1;
                  return;
              }
              else {
                  limit--;
              }
          }
      };
      Tokenizer.prototype._stateInNamedEntity = function (c) {
          if (c === ";") {
              this._parseNamedEntityStrict();
              if (this._sectionStart + 1 < this._index && !this._xmlMode) {
                  this._parseLegacyEntity();
              }
              this._state = this._baseState;
          }
          else if ((c < "a" || c > "z") &&
              (c < "A" || c > "Z") &&
              (c < "0" || c > "9")) {
              if (this._xmlMode || this._sectionStart + 1 === this._index) {
                  // ignore
              }
              else if (this._baseState !== 1 /* Text */) {
                  if (c !== "=") {
                      this._parseNamedEntityStrict();
                  }
              }
              else {
                  this._parseLegacyEntity();
              }
              this._state = this._baseState;
              this._index--;
          }
      };
      Tokenizer.prototype._decodeNumericEntity = function (offset, base) {
          var sectionStart = this._sectionStart + offset;
          if (sectionStart !== this._index) {
              //parse entity
              var entity = this._buffer.substring(sectionStart, this._index);
              var parsed = parseInt(entity, base);
              this._emitPartial(decode_codepoint_1.default(parsed));
              this._sectionStart = this._index;
          }
          else {
              this._sectionStart--;
          }
          this._state = this._baseState;
      };
      Tokenizer.prototype._stateInNumericEntity = function (c) {
          if (c === ";") {
              this._decodeNumericEntity(2, 10);
              this._sectionStart++;
          }
          else if (c < "0" || c > "9") {
              if (!this._xmlMode) {
                  this._decodeNumericEntity(2, 10);
              }
              else {
                  this._state = this._baseState;
              }
              this._index--;
          }
      };
      Tokenizer.prototype._stateInHexEntity = function (c) {
          if (c === ";") {
              this._decodeNumericEntity(3, 16);
              this._sectionStart++;
          }
          else if ((c < "a" || c > "f") &&
              (c < "A" || c > "F") &&
              (c < "0" || c > "9")) {
              if (!this._xmlMode) {
                  this._decodeNumericEntity(3, 16);
              }
              else {
                  this._state = this._baseState;
              }
              this._index--;
          }
      };
      Tokenizer.prototype._cleanup = function () {
          if (this._sectionStart < 0) {
              this._buffer = "";
              this._bufferOffset += this._index;
              this._index = 0;
          }
          else if (this._running) {
              if (this._state === 1 /* Text */) {
                  if (this._sectionStart !== this._index) {
                      this._cbs.ontext(this._buffer.substr(this._sectionStart));
                  }
                  this._buffer = "";
                  this._bufferOffset += this._index;
                  this._index = 0;
              }
              else if (this._sectionStart === this._index) {
                  //the section just started
                  this._buffer = "";
                  this._bufferOffset += this._index;
                  this._index = 0;
              }
              else {
                  //remove everything unnecessary
                  this._buffer = this._buffer.substr(this._sectionStart);
                  this._index -= this._sectionStart;
                  this._bufferOffset += this._sectionStart;
              }
              this._sectionStart = 0;
          }
      };
      //TODO make events conditional
      Tokenizer.prototype.write = function (chunk) {
          if (this._ended)
              this._cbs.onerror(Error(".write() after done!"));
          this._buffer += chunk;
          this._parse();
      };
      // Iterates through the buffer, calling the function corresponding to the current state.
      // States that are more likely to be hit are higher up, as a performance improvement.
      Tokenizer.prototype._parse = function () {
          while (this._index < this._buffer.length && this._running) {
              var c = this._buffer.charAt(this._index);
              if (this._state === 1 /* Text */) {
                  this._stateText(c);
              }
              else if (this._state === 12 /* InAttributeValueDq */) {
                  this._stateInAttributeValueDoubleQuotes(c);
              }
              else if (this._state === 9 /* InAttributeName */) {
                  this._stateInAttributeName(c);
              }
              else if (this._state === 19 /* InComment */) {
                  this._stateInComment(c);
              }
              else if (this._state === 8 /* BeforeAttributeName */) {
                  this._stateBeforeAttributeName(c);
              }
              else if (this._state === 3 /* InTagName */) {
                  this._stateInTagName(c);
              }
              else if (this._state === 6 /* InClosingTagName */) {
                  this._stateInClosingTagName(c);
              }
              else if (this._state === 2 /* BeforeTagName */) {
                  this._stateBeforeTagName(c);
              }
              else if (this._state === 10 /* AfterAttributeName */) {
                  this._stateAfterAttributeName(c);
              }
              else if (this._state === 13 /* InAttributeValueSq */) {
                  this._stateInAttributeValueSingleQuotes(c);
              }
              else if (this._state === 11 /* BeforeAttributeValue */) {
                  this._stateBeforeAttributeValue(c);
              }
              else if (this._state === 5 /* BeforeClosingTagName */) {
                  this._stateBeforeClosingTagName(c);
              }
              else if (this._state === 7 /* AfterClosingTagName */) {
                  this._stateAfterClosingTagName(c);
              }
              else if (this._state === 31 /* BeforeSpecial */) {
                  this._stateBeforeSpecial(c);
              }
              else if (this._state === 20 /* AfterComment1 */) {
                  this._stateAfterComment1(c);
              }
              else if (this._state === 14 /* InAttributeValueNq */) {
                  this._stateInAttributeValueNoQuotes(c);
              }
              else if (this._state === 4 /* InSelfClosingTag */) {
                  this._stateInSelfClosingTag(c);
              }
              else if (this._state === 16 /* InDeclaration */) {
                  this._stateInDeclaration(c);
              }
              else if (this._state === 15 /* BeforeDeclaration */) {
                  this._stateBeforeDeclaration(c);
              }
              else if (this._state === 21 /* AfterComment2 */) {
                  this._stateAfterComment2(c);
              }
              else if (this._state === 18 /* BeforeComment */) {
                  this._stateBeforeComment(c);
              }
              else if (this._state === 32 /* BeforeSpecialEnd */) {
                  this._stateBeforeSpecialEnd(c);
              }
              else if (this._state === 38 /* AfterScript1 */) {
                  stateAfterScript1(this, c);
              }
              else if (this._state === 39 /* AfterScript2 */) {
                  stateAfterScript2(this, c);
              }
              else if (this._state === 40 /* AfterScript3 */) {
                  stateAfterScript3(this, c);
              }
              else if (this._state === 33 /* BeforeScript1 */) {
                  stateBeforeScript1(this, c);
              }
              else if (this._state === 34 /* BeforeScript2 */) {
                  stateBeforeScript2(this, c);
              }
              else if (this._state === 35 /* BeforeScript3 */) {
                  stateBeforeScript3(this, c);
              }
              else if (this._state === 36 /* BeforeScript4 */) {
                  stateBeforeScript4(this, c);
              }
              else if (this._state === 37 /* BeforeScript5 */) {
                  this._stateBeforeScript5(c);
              }
              else if (this._state === 41 /* AfterScript4 */) {
                  stateAfterScript4(this, c);
              }
              else if (this._state === 42 /* AfterScript5 */) {
                  this._stateAfterScript5(c);
              }
              else if (this._state === 43 /* BeforeStyle1 */) {
                  stateBeforeStyle1(this, c);
              }
              else if (this._state === 28 /* InCdata */) {
                  this._stateInCdata(c);
              }
              else if (this._state === 44 /* BeforeStyle2 */) {
                  stateBeforeStyle2(this, c);
              }
              else if (this._state === 45 /* BeforeStyle3 */) {
                  stateBeforeStyle3(this, c);
              }
              else if (this._state === 46 /* BeforeStyle4 */) {
                  this._stateBeforeStyle4(c);
              }
              else if (this._state === 47 /* AfterStyle1 */) {
                  stateAfterStyle1(this, c);
              }
              else if (this._state === 48 /* AfterStyle2 */) {
                  stateAfterStyle2(this, c);
              }
              else if (this._state === 49 /* AfterStyle3 */) {
                  stateAfterStyle3(this, c);
              }
              else if (this._state === 50 /* AfterStyle4 */) {
                  this._stateAfterStyle4(c);
              }
              else if (this._state === 17 /* InProcessingInstruction */) {
                  this._stateInProcessingInstruction(c);
              }
              else if (this._state === 53 /* InNamedEntity */) {
                  this._stateInNamedEntity(c);
              }
              else if (this._state === 22 /* BeforeCdata1 */) {
                  stateBeforeCdata1(this, c);
              }
              else if (this._state === 51 /* BeforeEntity */) {
                  stateBeforeEntity(this, c);
              }
              else if (this._state === 23 /* BeforeCdata2 */) {
                  stateBeforeCdata2(this, c);
              }
              else if (this._state === 24 /* BeforeCdata3 */) {
                  stateBeforeCdata3(this, c);
              }
              else if (this._state === 29 /* AfterCdata1 */) {
                  this._stateAfterCdata1(c);
              }
              else if (this._state === 30 /* AfterCdata2 */) {
                  this._stateAfterCdata2(c);
              }
              else if (this._state === 25 /* BeforeCdata4 */) {
                  stateBeforeCdata4(this, c);
              }
              else if (this._state === 26 /* BeforeCdata5 */) {
                  stateBeforeCdata5(this, c);
              }
              else if (this._state === 27 /* BeforeCdata6 */) {
                  this._stateBeforeCdata6(c);
              }
              else if (this._state === 55 /* InHexEntity */) {
                  this._stateInHexEntity(c);
              }
              else if (this._state === 54 /* InNumericEntity */) {
                  this._stateInNumericEntity(c);
              }
              else if (this._state === 52 /* BeforeNumericEntity */) {
                  stateBeforeNumericEntity(this, c);
              }
              else {
                  this._cbs.onerror(Error("unknown _state"), this._state);
              }
              this._index++;
          }
          this._cleanup();
      };
      Tokenizer.prototype.pause = function () {
          this._running = false;
      };
      Tokenizer.prototype.resume = function () {
          this._running = true;
          if (this._index < this._buffer.length) {
              this._parse();
          }
          if (this._ended) {
              this._finish();
          }
      };
      Tokenizer.prototype.end = function (chunk) {
          if (this._ended)
              this._cbs.onerror(Error(".end() after done!"));
          if (chunk)
              this.write(chunk);
          this._ended = true;
          if (this._running)
              this._finish();
      };
      Tokenizer.prototype._finish = function () {
          //if there is remaining data, emit it in a reasonable way
          if (this._sectionStart < this._index) {
              this._handleTrailingData();
          }
          this._cbs.onend();
      };
      Tokenizer.prototype._handleTrailingData = function () {
          var data = this._buffer.substr(this._sectionStart);
          if (this._state === 28 /* InCdata */ ||
              this._state === 29 /* AfterCdata1 */ ||
              this._state === 30 /* AfterCdata2 */) {
              this._cbs.oncdata(data);
          }
          else if (this._state === 19 /* InComment */ ||
              this._state === 20 /* AfterComment1 */ ||
              this._state === 21 /* AfterComment2 */) {
              this._cbs.oncomment(data);
          }
          else if (this._state === 53 /* InNamedEntity */ && !this._xmlMode) {
              this._parseLegacyEntity();
              if (this._sectionStart < this._index) {
                  this._state = this._baseState;
                  this._handleTrailingData();
              }
          }
          else if (this._state === 54 /* InNumericEntity */ && !this._xmlMode) {
              this._decodeNumericEntity(2, 10);
              if (this._sectionStart < this._index) {
                  this._state = this._baseState;
                  this._handleTrailingData();
              }
          }
          else if (this._state === 55 /* InHexEntity */ && !this._xmlMode) {
              this._decodeNumericEntity(3, 16);
              if (this._sectionStart < this._index) {
                  this._state = this._baseState;
                  this._handleTrailingData();
              }
          }
          else if (this._state !== 3 /* InTagName */ &&
              this._state !== 8 /* BeforeAttributeName */ &&
              this._state !== 11 /* BeforeAttributeValue */ &&
              this._state !== 10 /* AfterAttributeName */ &&
              this._state !== 9 /* InAttributeName */ &&
              this._state !== 13 /* InAttributeValueSq */ &&
              this._state !== 12 /* InAttributeValueDq */ &&
              this._state !== 14 /* InAttributeValueNq */ &&
              this._state !== 6 /* InClosingTagName */) {
              this._cbs.ontext(data);
          }
          //else, ignore remaining data
          //TODO add a way to remove current tag
      };
      Tokenizer.prototype.getAbsoluteIndex = function () {
          return this._bufferOffset + this._index;
      };
      Tokenizer.prototype._getSection = function () {
          return this._buffer.substring(this._sectionStart, this._index);
      };
      Tokenizer.prototype._emitToken = function (name) {
          this._cbs[name](this._getSection());
          this._sectionStart = -1;
      };
      Tokenizer.prototype._emitPartial = function (value) {
          if (this._baseState !== 1 /* Text */) {
              this._cbs.onattribdata(value); //TODO implement the new event
          }
          else {
              this._cbs.ontext(value);
          }
      };
      return Tokenizer;
  }());
  exports.default = Tokenizer;
  