'use strict';



var Preprocessor = require('./preprocessor'),

    LocationInfoMixin = require('./location_info_mixin'),

    UNICODE = require('../common/unicode'),

    NAMED_ENTITY_TRIE = require('./named_entity_trie');



//Aliases

var $ = UNICODE.CODE_POINTS,

    $$ = UNICODE.CODE_POINT_SEQUENCES;



//Replacement code points for numeric entities

var NUMERIC_ENTITY_REPLACEMENTS = {

    0x00: 0xFFFD, 0x0D: 0x000D, 0x80: 0x20AC, 0x81: 0x0081, 0x82: 0x201A, 0x83: 0x0192, 0x84: 0x201E,

    0x85: 0x2026, 0x86: 0x2020, 0x87: 0x2021, 0x88: 0x02C6, 0x89: 0x2030, 0x8A: 0x0160, 0x8B: 0x2039,

    0x8C: 0x0152, 0x8D: 0x008D, 0x8E: 0x017D, 0x8F: 0x008F, 0x90: 0x0090, 0x91: 0x2018, 0x92: 0x2019,

    0x93: 0x201C, 0x94: 0x201D, 0x95: 0x2022, 0x96: 0x2013, 0x97: 0x2014, 0x98: 0x02DC, 0x99: 0x2122,

    0x9A: 0x0161, 0x9B: 0x203A, 0x9C: 0x0153, 0x9D: 0x009D, 0x9E: 0x017E, 0x9F: 0x0178

};



//States

var DATA_STATE = 'DATA_STATE',

    CHARACTER_REFERENCE_IN_DATA_STATE = 'CHARACTER_REFERENCE_IN_DATA_STATE',

    RCDATA_STATE = 'RCDATA_STATE',

    CHARACTER_REFERENCE_IN_RCDATA_STATE = 'CHARACTER_REFERENCE_IN_RCDATA_STATE',

    RAWTEXT_STATE = 'RAWTEXT_STATE',

    SCRIPT_DATA_STATE = 'SCRIPT_DATA_STATE',

    PLAINTEXT_STATE = 'PLAINTEXT_STATE',

    TAG_OPEN_STATE = 'TAG_OPEN_STATE',

    END_TAG_OPEN_STATE = 'END_TAG_OPEN_STATE',

    TAG_NAME_STATE = 'TAG_NAME_STATE',

    RCDATA_LESS_THAN_SIGN_STATE = 'RCDATA_LESS_THAN_SIGN_STATE',

    RCDATA_END_TAG_OPEN_STATE = 'RCDATA_END_TAG_OPEN_STATE',

    RCDATA_END_TAG_NAME_STATE = 'RCDATA_END_TAG_NAME_STATE',

    RAWTEXT_LESS_THAN_SIGN_STATE = 'RAWTEXT_LESS_THAN_SIGN_STATE',

    RAWTEXT_END_TAG_OPEN_STATE = 'RAWTEXT_END_TAG_OPEN_STATE',

    RAWTEXT_END_TAG_NAME_STATE = 'RAWTEXT_END_TAG_NAME_STATE',

    SCRIPT_DATA_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_LESS_THAN_SIGN_STATE',

    SCRIPT_DATA_END_TAG_OPEN_STATE = 'SCRIPT_DATA_END_TAG_OPEN_STATE',

    SCRIPT_DATA_END_TAG_NAME_STATE = 'SCRIPT_DATA_END_TAG_NAME_STATE',

    SCRIPT_DATA_ESCAPE_START_STATE = 'SCRIPT_DATA_ESCAPE_START_STATE',

    SCRIPT_DATA_ESCAPE_START_DASH_STATE = 'SCRIPT_DATA_ESCAPE_START_DASH_STATE',

    SCRIPT_DATA_ESCAPED_STATE = 'SCRIPT_DATA_ESCAPED_STATE',

    SCRIPT_DATA_ESCAPED_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_STATE',

    SCRIPT_DATA_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_DASH_STATE',

    SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE',

    SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE',

    SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPED_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE',

    SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE',

    BEFORE_ATTRIBUTE_NAME_STATE = 'BEFORE_ATTRIBUTE_NAME_STATE',

    ATTRIBUTE_NAME_STATE = 'ATTRIBUTE_NAME_STATE',

    AFTER_ATTRIBUTE_NAME_STATE = 'AFTER_ATTRIBUTE_NAME_STATE',

    BEFORE_ATTRIBUTE_VALUE_STATE = 'BEFORE_ATTRIBUTE_VALUE_STATE',

    ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE',

    ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE',

    ATTRIBUTE_VALUE_UNQUOTED_STATE = 'ATTRIBUTE_VALUE_UNQUOTED_STATE',

    CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE = 'CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE',

    AFTER_ATTRIBUTE_VALUE_QUOTED_STATE = 'AFTER_ATTRIBUTE_VALUE_QUOTED_STATE',

    SELF_CLOSING_START_TAG_STATE = 'SELF_CLOSING_START_TAG_STATE',

    BOGUS_COMMENT_STATE = 'BOGUS_COMMENT_STATE',

    MARKUP_DECLARATION_OPEN_STATE = 'MARKUP_DECLARATION_OPEN_STATE',

    COMMENT_START_STATE = 'COMMENT_START_STATE',

    COMMENT_START_DASH_STATE = 'COMMENT_START_DASH_STATE',

    COMMENT_STATE = 'COMMENT_STATE',

    COMMENT_END_DASH_STATE = 'COMMENT_END_DASH_STATE',

    COMMENT_END_STATE = 'COMMENT_END_STATE',

    COMMENT_END_BANG_STATE = 'COMMENT_END_BANG_STATE',

    DOCTYPE_STATE = 'DOCTYPE_STATE',

    BEFORE_DOCTYPE_NAME_STATE = 'BEFORE_DOCTYPE_NAME_STATE',

    DOCTYPE_NAME_STATE = 'DOCTYPE_NAME_STATE',

    AFTER_DOCTYPE_NAME_STATE = 'AFTER_DOCTYPE_NAME_STATE',

    AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE = 'AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE',

    BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE',

    DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE',

    DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE',

    AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE',

    BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE = 'BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE',

    AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE = 'AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE',

    BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE',

    DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE',

    DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE',

    AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE',

    BOGUS_DOCTYPE_STATE = 'BOGUS_DOCTYPE_STATE',

    CDATA_SECTION_STATE = 'CDATA_SECTION_STATE';



//Utils



//OPTIMIZATION: these utility functions should not be moved out of this module. V8 Crankshaft will not inline

//this functions if they will be situated in another module due to context switch.

//Always perform inlining check before modifying this functions ('node --trace-inlining').

function isWhitespace(cp) {

    return cp === $.SPACE || cp === $.LINE_FEED || cp === $.TABULATION || cp === $.FORM_FEED;

}



function isAsciiDigit(cp) {

    return cp >= $.DIGIT_0 && cp <= $.DIGIT_9;

}



function isAsciiUpper(cp) {

    return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_Z;

}



function isAsciiLower(cp) {

    return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_Z;

}



function isAsciiAlphaNumeric(cp) {

    return isAsciiDigit(cp) || isAsciiUpper(cp) || isAsciiLower(cp);

}



function isDigit(cp, isHex) {

    return isAsciiDigit(cp) || (isHex && ((cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_F) ||

                                          (cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_F)));

}



function isReservedCodePoint(cp) {

    return cp >= 0xD800 && cp <= 0xDFFF || cp > 0x10FFFF;

}



function toAsciiLowerCodePoint(cp) {

    return cp + 0x0020;

}



//NOTE: String.fromCharCode() function can handle only characters from BMP subset.

//So, we need to workaround this manually.

//(see: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/fromCharCode#Getting_it_to_work_with_higher_values)

function toChar(cp) {

    if (cp <= 0xFFFF)

        return String.fromCharCode(cp);



    cp -= 0x10000;

    return String.fromCharCode(cp >>> 10 & 0x3FF | 0xD800) + String.fromCharCode(0xDC00 | cp & 0x3FF);

}



function toAsciiLowerChar(cp) {

    return String.fromCharCode(toAsciiLowerCodePoint(cp));

}



//Tokenizer

var Tokenizer = module.exports = function (html, options) {

    this.disableEntitiesDecoding = false;



    this.preprocessor = new Preprocessor(html);



    this.tokenQueue = [];



    this.allowCDATA = false;



    this.state = DATA_STATE;

    this.returnState = '';



    this.consumptionPos = 0;



    this.tempBuff = [];

    this.additionalAllowedCp = void 0;

    this.lastStartTagName = '';



    this.currentCharacterToken = null;

    this.currentToken = null;

    this.currentAttr = null;



    if (options) {

        this.disableEntitiesDecoding = !options.decodeHtmlEntities;



        if (options.locationInfo)

            LocationInfoMixin.assign(this);

    }

};



//Token types

Tokenizer.CHARACTER_TOKEN = 'CHARACTER_TOKEN';

Tokenizer.NULL_CHARACTER_TOKEN = 'NULL_CHARACTER_TOKEN';

Tokenizer.WHITESPACE_CHARACTER_TOKEN = 'WHITESPACE_CHARACTER_TOKEN';

Tokenizer.START_TAG_TOKEN = 'START_TAG_TOKEN';

Tokenizer.END_TAG_TOKEN = 'END_TAG_TOKEN';

Tokenizer.COMMENT_TOKEN = 'COMMENT_TOKEN';

Tokenizer.DOCTYPE_TOKEN = 'DOCTYPE_TOKEN';

Tokenizer.EOF_TOKEN = 'EOF_TOKEN';



//Tokenizer initial states for different modes

Tokenizer.MODE = Tokenizer.prototype.MODE = {

    DATA: DATA_STATE,

    RCDATA: RCDATA_STATE,

    RAWTEXT: RAWTEXT_STATE,

    SCRIPT_DATA: SCRIPT_DATA_STATE,

    PLAINTEXT: PLAINTEXT_STATE

};



//Static

Tokenizer.getTokenAttr = function (token, attrName) {

    for (var i = token.attrs.length - 1; i >= 0; i--) {

        if (token.attrs[i].name === attrName)

            return token.attrs[i].value;

    }



    return null;

};



//Get token

Tokenizer.prototype.getNextToken = function () {

    while (!this.tokenQueue.length)

        this[this.state](this._consume());



    return this.tokenQueue.shift();

};



//Consumption

Tokenizer.prototype._consume = function () {

    this.consumptionPos++;

    return this.preprocessor.advanceAndPeekCodePoint();

};



Tokenizer.prototype._unconsume = function () {

    this.consumptionPos--;

    this.preprocessor.retreat();

};



Tokenizer.prototype._unconsumeSeveral = function (count) {

    while (count--)

        this._unconsume();

};



Tokenizer.prototype._reconsumeInState = function (state) {

    this.state = state;

    this._unconsume();

};



Tokenizer.prototype._consumeSubsequentIfMatch = function (pattern, startCp, caseSensitive) {

    var rollbackPos = this.consumptionPos,

        isMatch = true,

        patternLength = pattern.length,

        patternPos = 0,

        cp = startCp,

        patternCp = void 0;



    for (; patternPos < patternLength; patternPos++) {

        if (patternPos > 0)

            cp = this._consume();



        if (cp === $.EOF) {

            isMatch = false;

            break;

        }



        patternCp = pattern[patternPos];



        if (cp !== patternCp && (caseSensitive || cp !== toAsciiLowerCodePoint(patternCp))) {

            isMatch = false;

            break;

        }

    }



    if (!isMatch)

        this._unconsumeSeveral(this.consumptionPos - rollbackPos);



    return isMatch;

};



//Lookahead

Tokenizer.prototype._lookahead = function () {

    var cp = this.preprocessor.advanceAndPeekCodePoint();

    this.preprocessor.retreat();



    return cp;

};



//Temp buffer

Tokenizer.prototype.isTempBufferEqualToScriptString = function () {

    if (this.tempBuff.length !== $$.SCRIPT_STRING.length)

        return false;



    for (var i = 0; i < this.tempBuff.length; i++) {

        if (this.tempBuff[i] !== $$.SCRIPT_STRING[i])

            return false;

    }



    return true;

};



//Token creation

Tokenizer.prototype.buildStartTagToken = function (tagName) {

    return {

        type: Tokenizer.START_TAG_TOKEN,

        tagName: tagName,

        selfClosing: false,

        attrs: []

    };

};



Tokenizer.prototype.buildEndTagToken = function (tagName) {

    return {

        type: Tokenizer.END_TAG_TOKEN,

        tagName: tagName,

        ignored: false,

        attrs: []

    };

};



Tokenizer.prototype._createStartTagToken = function (tagNameFirstCh) {

    this.currentToken = this.buildStartTagToken(tagNameFirstCh);

};



Tokenizer.prototype._createEndTagToken = function (tagNameFirstCh) {

    this.currentToken = this.buildEndTagToken(tagNameFirstCh);

};



Tokenizer.prototype._createCommentToken = function () {

    this.currentToken = {

        type: Tokenizer.COMMENT_TOKEN,

        data: ''

    };

};



Tokenizer.prototype._createDoctypeToken = function (doctypeNameFirstCh) {

    this.currentToken = {

        type: Tokenizer.DOCTYPE_TOKEN,

        name: doctypeNameFirstCh || '',

        forceQuirks: false,

        publicId: null,

        systemId: null

    };

};



Tokenizer.prototype._createCharacterToken = function (type, ch) {

    this.currentCharacterToken = {

        type: type,

        chars: ch

    };

};



//Tag attributes

Tokenizer.prototype._createAttr = function (attrNameFirstCh) {

    this.currentAttr = {

        name: attrNameFirstCh,

        value: ''

    };

};



Tokenizer.prototype._isDuplicateAttr = function () {

    return Tokenizer.getTokenAttr(this.currentToken, this.currentAttr.name) !== null;

};



Tokenizer.prototype._leaveAttrName = function (toState) {

    this.state = toState;



    if (!this._isDuplicateAttr())

        this.currentToken.attrs.push(this.currentAttr);

};



//Appropriate end tag token

//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#appropriate-end-tag-token)

Tokenizer.prototype._isAppropriateEndTagToken = function () {

    return this.lastStartTagName === this.currentToken.tagName;

};



//Token emission

Tokenizer.prototype._emitCurrentToken = function () {

    this._emitCurrentCharacterToken();



    //NOTE: store emited start tag's tagName to determine is the following end tag token is appropriate.

    if (this.currentToken.type === Tokenizer.START_TAG_TOKEN)

        this.lastStartTagName = this.currentToken.tagName;



    this.tokenQueue.push(this.currentToken);

    this.currentToken = null;

};



Tokenizer.prototype._emitCurrentCharacterToken = function () {

    if (this.currentCharacterToken) {

        this.tokenQueue.push(this.currentCharacterToken);

        this.currentCharacterToken = null;

    }

};



Tokenizer.prototype._emitEOFToken = function () {

    this._emitCurrentCharacterToken();

    this.tokenQueue.push({type: Tokenizer.EOF_TOKEN});

};



//Characters emission



//OPTIMIZATION: specification uses only one type of character tokens (one token per character).

//This causes a huge memory overhead and a lot of unnecessary parser loops. parse5 uses 3 groups of characters.

//If we have a sequence of characters that belong to the same group, parser can process it

//as a single solid character token.

//So, there are 3 types of character tokens in parse5:

//1)NULL_CHARACTER_TOKEN - \u0000-character sequences (e.g. '\u0000\u0000\u0000')

//2)WHITESPACE_CHARACTER_TOKEN - any whitespace/new-line character sequences (e.g. '\n  \r\t   \f')

//3)CHARACTER_TOKEN - any character sequence which don't belong to groups 1 and 2 (e.g. 'abcdef1234@@#$%^')

Tokenizer.prototype._appendCharToCurrentCharacterToken = function (type, ch) {

    if (this.currentCharacterToken && this.currentCharacterToken.type !== type)

        this._emitCurrentCharacterToken();



    if (this.currentCharacterToken)

        this.currentCharacterToken.chars += ch;



    else

        this._createCharacterToken(type, ch);

};



Tokenizer.prototype._emitCodePoint = function (cp) {

    var type = Tokenizer.CHARACTER_TOKEN;



    if (isWhitespace(cp))

        type = Tokenizer.WHITESPACE_CHARACTER_TOKEN;



    else if (cp === $.NULL)

        type = Tokenizer.NULL_CHARACTER_TOKEN;



    this._appendCharToCurrentCharacterToken(type, toChar(cp));

};



Tokenizer.prototype._emitSeveralCodePoints = function (codePoints) {

    for (var i = 0; i < codePoints.length; i++)

        this._emitCodePoint(codePoints[i]);

};



//NOTE: used then we emit character explicitly. This is always a non-whitespace and a non-null character.

//So we can avoid additional checks here.

Tokenizer.prototype._emitChar = function (ch) {

    this._appendCharToCurrentCharacterToken(Tokenizer.CHARACTER_TOKEN, ch);

};



//Character reference tokenization

Tokenizer.prototype._consumeNumericEntity = function (isHex) {

    var digits = '',

        nextCp = void 0;



    do {

        digits += toChar(this._consume());

        nextCp = this._lookahead();

    } while (nextCp !== $.EOF && isDigit(nextCp, isHex));



    if (this._lookahead() === $.SEMICOLON)

        this._consume();



    var referencedCp = parseInt(digits, isHex ? 16 : 10),

        replacement = NUMERIC_ENTITY_REPLACEMENTS[referencedCp];



    if (replacement)

        return replacement;



    if (isReservedCodePoint(referencedCp))

        return $.REPLACEMENT_CHARACTER;



    return referencedCp;

};



Tokenizer.prototype._consumeNamedEntity = function (startCp, inAttr) {

    var referencedCodePoints = null,

        entityCodePointsCount = 0,

        cp = startCp,

        leaf = NAMED_ENTITY_TRIE[cp],

        consumedCount = 1,

        semicolonTerminated = false;



    for (; leaf && cp !== $.EOF; cp = this._consume(), consumedCount++, leaf = leaf.l && leaf.l[cp]) {

        if (leaf.c) {

            //NOTE: we have at least one named reference match. But we don't stop lookup at this point,

            //because longer matches still can be found (e.g. '&not' and '&notin;') except the case

            //then found match is terminated by semicolon.

            referencedCodePoints = leaf.c;

            entityCodePointsCount = consumedCount;



            if (cp === $.SEMICOLON) {

                semicolonTerminated = true;

                break;

            }

        }

    }



    if (referencedCodePoints) {

        if (!semicolonTerminated) {

            //NOTE: unconsume excess (e.g. 'it' in '&notit')

            this._unconsumeSeveral(consumedCount - entityCodePointsCount);



            //NOTE: If the character reference is being consumed as part of an attribute and the next character

            //is either a U+003D EQUALS SIGN character (=) or an alphanumeric ASCII character, then, for historical

            //reasons, all the characters that were matched after the U+0026 AMPERSAND character (&) must be

            //unconsumed, and nothing is returned.

            //However, if this next character is in fact a U+003D EQUALS SIGN character (=), then this is a

            //parse error, because some legacy user agents will misinterpret the markup in those cases.

            //(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#tokenizing-character-references)

            if (inAttr) {

                var nextCp = this._lookahead();



                if (nextCp === $.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp)) {

                    this._unconsumeSeveral(entityCodePointsCount);

                    return null;

                }

            }

        }



        return referencedCodePoints;

    }



    this._unconsumeSeveral(consumedCount);



    return null;

};



Tokenizer.prototype._consumeCharacterReference = function (startCp, inAttr) {

    if (this.disableEntitiesDecoding || isWhitespace(startCp) || startCp === $.GREATER_THAN_SIGN ||

        startCp === $.AMPERSAND || startCp === this.additionalAllowedCp || startCp === $.EOF) {

        //NOTE: not a character reference. No characters are consumed, and nothing is returned.

        this._unconsume();

        return null;

    }



    else if (startCp === $.NUMBER_SIGN) {

        //NOTE: we have a numeric entity candidate, now we should determine if it's hex or decimal

        var isHex = false,

            nextCp = this._lookahead();



        if (nextCp === $.LATIN_SMALL_X || nextCp === $.LATIN_CAPITAL_X) {

            this._consume();

            isHex = true;

        }



        nextCp = this._lookahead();



        //NOTE: if we have at least one digit this is a numeric entity for sure, so we consume it

        if (nextCp !== $.EOF && isDigit(nextCp, isHex))

            return [this._consumeNumericEntity(isHex)];



        else {

            //NOTE: otherwise this is a bogus number entity and a parse error. Unconsume the number sign

            //and the 'x'-character if appropriate.

            this._unconsumeSeveral(isHex ? 2 : 1);

            return null;

        }

    }



    else

        return this._consumeNamedEntity(startCp, inAttr);

};



//State machine

var _ = Tokenizer.prototype;



//12.2.4.1 Data state

//------------------------------------------------------------------

_[DATA_STATE] = function dataState(cp) {

    if (cp === $.AMPERSAND)

        this.state = CHARACTER_REFERENCE_IN_DATA_STATE;



    else if (cp === $.LESS_THAN_SIGN)

        this.state = TAG_OPEN_STATE;



    else if (cp === $.NULL)

        this._emitCodePoint(cp);



    else if (cp === $.EOF)

        this._emitEOFToken();



    else

        this._emitCodePoint(cp);

};





//12.2.4.2 Character reference in data state

//------------------------------------------------------------------

_[CHARACTER_REFERENCE_IN_DATA_STATE] = function characterReferenceInDataState(cp) {

    this.state = DATA_STATE;

    this.additionalAllowedCp = void 0;



    var referencedCodePoints = this._consumeCharacterReference(cp, false);



    if (referencedCodePoints)

        this._emitSeveralCodePoints(referencedCodePoints);

    else

        this._emitChar('&');

};





//12.2.4.3 RCDATA state

//------------------------------------------------------------------

_[RCDATA_STATE] = function rcdataState(cp) {

    if (cp === $.AMPERSAND)

        this.state = CHARACTER_REFERENCE_IN_RCDATA_STATE;



    else if (cp === $.LESS_THAN_SIGN)

        this.state = RCDATA_LESS_THAN_SIGN_STATE;



    else if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._emitEOFToken();



    else

        this._emitCodePoint(cp);

};





//12.2.4.4 Character reference in RCDATA state

//------------------------------------------------------------------

_[CHARACTER_REFERENCE_IN_RCDATA_STATE] = function characterReferenceInRcdataState(cp) {

    this.state = RCDATA_STATE;

    this.additionalAllowedCp = void 0;



    var referencedCodePoints = this._consumeCharacterReference(cp, false);



    if (referencedCodePoints)

        this._emitSeveralCodePoints(referencedCodePoints);

    else

        this._emitChar('&');

};





//12.2.4.5 RAWTEXT state

//------------------------------------------------------------------

_[RAWTEXT_STATE] = function rawtextState(cp) {

    if (cp === $.LESS_THAN_SIGN)

        this.state = RAWTEXT_LESS_THAN_SIGN_STATE;



    else if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._emitEOFToken();



    else

        this._emitCodePoint(cp);

};





//12.2.4.6 Script data state

//------------------------------------------------------------------

_[SCRIPT_DATA_STATE] = function scriptDataState(cp) {

    if (cp === $.LESS_THAN_SIGN)

        this.state = SCRIPT_DATA_LESS_THAN_SIGN_STATE;



    else if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._emitEOFToken();



    else

        this._emitCodePoint(cp);

};





//12.2.4.7 PLAINTEXT state

//------------------------------------------------------------------

_[PLAINTEXT_STATE] = function plaintextState(cp) {

    if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._emitEOFToken();



    else

        this._emitCodePoint(cp);

};





//12.2.4.8 Tag open state

//------------------------------------------------------------------

_[TAG_OPEN_STATE] = function tagOpenState(cp) {

    if (cp === $.EXCLAMATION_MARK)

        this.state = MARKUP_DECLARATION_OPEN_STATE;



    else if (cp === $.SOLIDUS)

        this.state = END_TAG_OPEN_STATE;



    else if (isAsciiUpper(cp)) {

        this._createStartTagToken(toAsciiLowerChar(cp));

        this.state = TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createStartTagToken(toChar(cp));

        this.state = TAG_NAME_STATE;

    }



    else if (cp === $.QUESTION_MARK) {

        //NOTE: call bogus comment state directly with current consumed character to avoid unnecessary reconsumption.

        this[BOGUS_COMMENT_STATE](cp);

    }



    else {

        this._emitChar('<');

        this._reconsumeInState(DATA_STATE);

    }

};





//12.2.4.9 End tag open state

//------------------------------------------------------------------

_[END_TAG_OPEN_STATE] = function endTagOpenState(cp) {

    if (isAsciiUpper(cp)) {

        this._createEndTagToken(toAsciiLowerChar(cp));

        this.state = TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createEndTagToken(toChar(cp));

        this.state = TAG_NAME_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN)

        this.state = DATA_STATE;



    else if (cp === $.EOF) {

        this._reconsumeInState(DATA_STATE);

        this._emitChar('<');

        this._emitChar('/');

    }



    else {

        //NOTE: call bogus comment state directly with current consumed character to avoid unnecessary reconsumption.

        this[BOGUS_COMMENT_STATE](cp);

    }

};





//12.2.4.10 Tag name state

//------------------------------------------------------------------

_[TAG_NAME_STATE] = function tagNameState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_ATTRIBUTE_NAME_STATE;



    else if (cp === $.SOLIDUS)

        this.state = SELF_CLOSING_START_TAG_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (isAsciiUpper(cp))

        this.currentToken.tagName += toAsciiLowerChar(cp);



    else if (cp === $.NULL)

        this.currentToken.tagName += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this.currentToken.tagName += toChar(cp);

};





//12.2.4.11 RCDATA less-than sign state

//------------------------------------------------------------------

_[RCDATA_LESS_THAN_SIGN_STATE] = function rcdataLessThanSignState(cp) {

    if (cp === $.SOLIDUS) {

        this.tempBuff = [];

        this.state = RCDATA_END_TAG_OPEN_STATE;

    }



    else {

        this._emitChar('<');

        this._reconsumeInState(RCDATA_STATE);

    }

};





//12.2.4.12 RCDATA end tag open state

//------------------------------------------------------------------

_[RCDATA_END_TAG_OPEN_STATE] = function rcdataEndTagOpenState(cp) {

    if (isAsciiUpper(cp)) {

        this._createEndTagToken(toAsciiLowerChar(cp));

        this.tempBuff.push(cp);

        this.state = RCDATA_END_TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createEndTagToken(toChar(cp));

        this.tempBuff.push(cp);

        this.state = RCDATA_END_TAG_NAME_STATE;

    }



    else {

        this._emitChar('<');

        this._emitChar('/');

        this._reconsumeInState(RCDATA_STATE);

    }

};





//12.2.4.13 RCDATA end tag name state

//------------------------------------------------------------------

_[RCDATA_END_TAG_NAME_STATE] = function rcdataEndTagNameState(cp) {

    if (isAsciiUpper(cp)) {

        this.currentToken.tagName += toAsciiLowerChar(cp);

        this.tempBuff.push(cp);

    }



    else if (isAsciiLower(cp)) {

        this.currentToken.tagName += toChar(cp);

        this.tempBuff.push(cp);

    }



    else {

        if (this._isAppropriateEndTagToken()) {

            if (isWhitespace(cp)) {

                this.state = BEFORE_ATTRIBUTE_NAME_STATE;

                return;

            }



            if (cp === $.SOLIDUS) {

                this.state = SELF_CLOSING_START_TAG_STATE;

                return;

            }



            if (cp === $.GREATER_THAN_SIGN) {

                this.state = DATA_STATE;

                this._emitCurrentToken();

                return;

            }

        }



        this._emitChar('<');

        this._emitChar('/');

        this._emitSeveralCodePoints(this.tempBuff);

        this._reconsumeInState(RCDATA_STATE);

    }

};





//12.2.4.14 RAWTEXT less-than sign state

//------------------------------------------------------------------

_[RAWTEXT_LESS_THAN_SIGN_STATE] = function rawtextLessThanSignState(cp) {

    if (cp === $.SOLIDUS) {

        this.tempBuff = [];

        this.state = RAWTEXT_END_TAG_OPEN_STATE;

    }



    else {

        this._emitChar('<');

        this._reconsumeInState(RAWTEXT_STATE);

    }

};





//12.2.4.15 RAWTEXT end tag open state

//------------------------------------------------------------------

_[RAWTEXT_END_TAG_OPEN_STATE] = function rawtextEndTagOpenState(cp) {

    if (isAsciiUpper(cp)) {

        this._createEndTagToken(toAsciiLowerChar(cp));

        this.tempBuff.push(cp);

        this.state = RAWTEXT_END_TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createEndTagToken(toChar(cp));

        this.tempBuff.push(cp);

        this.state = RAWTEXT_END_TAG_NAME_STATE;

    }



    else {

        this._emitChar('<');

        this._emitChar('/');

        this._reconsumeInState(RAWTEXT_STATE);

    }

};





//12.2.4.16 RAWTEXT end tag name state

//------------------------------------------------------------------

_[RAWTEXT_END_TAG_NAME_STATE] = function rawtextEndTagNameState(cp) {

    if (isAsciiUpper(cp)) {

        this.currentToken.tagName += toAsciiLowerChar(cp);

        this.tempBuff.push(cp);

    }



    else if (isAsciiLower(cp)) {

        this.currentToken.tagName += toChar(cp);

        this.tempBuff.push(cp);

    }



    else {

        if (this._isAppropriateEndTagToken()) {

            if (isWhitespace(cp)) {

                this.state = BEFORE_ATTRIBUTE_NAME_STATE;

                return;

            }



            if (cp === $.SOLIDUS) {

                this.state = SELF_CLOSING_START_TAG_STATE;

                return;

            }



            if (cp === $.GREATER_THAN_SIGN) {

                this._emitCurrentToken();

                this.state = DATA_STATE;

                return;

            }

        }



        this._emitChar('<');

        this._emitChar('/');

        this._emitSeveralCodePoints(this.tempBuff);

        this._reconsumeInState(RAWTEXT_STATE);

    }

};





//12.2.4.17 Script data less-than sign state

//------------------------------------------------------------------

_[SCRIPT_DATA_LESS_THAN_SIGN_STATE] = function scriptDataLessThanSignState(cp) {

    if (cp === $.SOLIDUS) {

        this.tempBuff = [];

        this.state = SCRIPT_DATA_END_TAG_OPEN_STATE;

    }



    else if (cp === $.EXCLAMATION_MARK) {

        this.state = SCRIPT_DATA_ESCAPE_START_STATE;

        this._emitChar('<');

        this._emitChar('!');

    }



    else {

        this._emitChar('<');

        this._reconsumeInState(SCRIPT_DATA_STATE);

    }

};





//12.2.4.18 Script data end tag open state

//------------------------------------------------------------------

_[SCRIPT_DATA_END_TAG_OPEN_STATE] = function scriptDataEndTagOpenState(cp) {

    if (isAsciiUpper(cp)) {

        this._createEndTagToken(toAsciiLowerChar(cp));

        this.tempBuff.push(cp);

        this.state = SCRIPT_DATA_END_TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createEndTagToken(toChar(cp));

        this.tempBuff.push(cp);

        this.state = SCRIPT_DATA_END_TAG_NAME_STATE;

    }



    else {

        this._emitChar('<');

        this._emitChar('/');

        this._reconsumeInState(SCRIPT_DATA_STATE);

    }

};





//12.2.4.19 Script data end tag name state

//------------------------------------------------------------------

_[SCRIPT_DATA_END_TAG_NAME_STATE] = function scriptDataEndTagNameState(cp) {

    if (isAsciiUpper(cp)) {

        this.currentToken.tagName += toAsciiLowerChar(cp);

        this.tempBuff.push(cp);

    }



    else if (isAsciiLower(cp)) {

        this.currentToken.tagName += toChar(cp);

        this.tempBuff.push(cp);

    }



    else {

        if (this._isAppropriateEndTagToken()) {

            if (isWhitespace(cp)) {

                this.state = BEFORE_ATTRIBUTE_NAME_STATE;

                return;

            }



            else if (cp === $.SOLIDUS) {

                this.state = SELF_CLOSING_START_TAG_STATE;

                return;

            }



            else if (cp === $.GREATER_THAN_SIGN) {

                this._emitCurrentToken();

                this.state = DATA_STATE;

                return;

            }

        }



        this._emitChar('<');

        this._emitChar('/');

        this._emitSeveralCodePoints(this.tempBuff);

        this._reconsumeInState(SCRIPT_DATA_STATE);

    }

};





//12.2.4.20 Script data escape start state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPE_START_STATE] = function scriptDataEscapeStartState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_ESCAPE_START_DASH_STATE;

        this._emitChar('-');

    }



    else

        this._reconsumeInState(SCRIPT_DATA_STATE);

};





//12.2.4.21 Script data escape start dash state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPE_START_DASH_STATE] = function scriptDataEscapeStartDashState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE;

        this._emitChar('-');

    }



    else

        this._reconsumeInState(SCRIPT_DATA_STATE);

};





//12.2.4.22 Script data escaped state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_STATE] = function scriptDataEscapedState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_ESCAPED_DASH_STATE;

        this._emitChar('-');

    }



    else if (cp === $.LESS_THAN_SIGN)

        this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE;



    else if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this._emitCodePoint(cp);

};





//12.2.4.23 Script data escaped dash state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_DASH_STATE] = function scriptDataEscapedDashState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE;

        this._emitChar('-');

    }



    else if (cp === $.LESS_THAN_SIGN)

        this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE;



    else if (cp === $.NULL) {

        this.state = SCRIPT_DATA_ESCAPED_STATE;

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this.state = SCRIPT_DATA_ESCAPED_STATE;

        this._emitCodePoint(cp);

    }

};





//12.2.4.24 Script data escaped dash dash state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_DASH_DASH_STATE] = function scriptDataEscapedDashDashState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this._emitChar('-');



    else if (cp === $.LESS_THAN_SIGN)

        this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = SCRIPT_DATA_STATE;

        this._emitChar('>');

    }



    else if (cp === $.NULL) {

        this.state = SCRIPT_DATA_ESCAPED_STATE;

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this.state = SCRIPT_DATA_ESCAPED_STATE;

        this._emitCodePoint(cp);

    }

};





//12.2.4.25 Script data escaped less-than sign state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE] = function scriptDataEscapedLessThanSignState(cp) {

    if (cp === $.SOLIDUS) {

        this.tempBuff = [];

        this.state = SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE;

    }



    else if (isAsciiUpper(cp)) {

        this.tempBuff = [];

        this.tempBuff.push(toAsciiLowerCodePoint(cp));

        this.state = SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE;

        this._emitChar('<');

        this._emitCodePoint(cp);

    }



    else if (isAsciiLower(cp)) {

        this.tempBuff = [];

        this.tempBuff.push(cp);

        this.state = SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE;

        this._emitChar('<');

        this._emitCodePoint(cp);

    }



    else {

        this._emitChar('<');

        this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);

    }

};





//12.2.4.26 Script data escaped end tag open state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE] = function scriptDataEscapedEndTagOpenState(cp) {

    if (isAsciiUpper(cp)) {

        this._createEndTagToken(toAsciiLowerChar(cp));

        this.tempBuff.push(cp);

        this.state = SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE;

    }



    else if (isAsciiLower(cp)) {

        this._createEndTagToken(toChar(cp));

        this.tempBuff.push(cp);

        this.state = SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE;

    }



    else {

        this._emitChar('<');

        this._emitChar('/');

        this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);

    }

};





//12.2.4.27 Script data escaped end tag name state

//------------------------------------------------------------------

_[SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE] = function scriptDataEscapedEndTagNameState(cp) {

    if (isAsciiUpper(cp)) {

        this.currentToken.tagName += toAsciiLowerChar(cp);

        this.tempBuff.push(cp);

    }



    else if (isAsciiLower(cp)) {

        this.currentToken.tagName += toChar(cp);

        this.tempBuff.push(cp);

    }



    else {

        if (this._isAppropriateEndTagToken()) {

            if (isWhitespace(cp)) {

                this.state = BEFORE_ATTRIBUTE_NAME_STATE;

                return;

            }



            if (cp === $.SOLIDUS) {

                this.state = SELF_CLOSING_START_TAG_STATE;

                return;

            }



            if (cp === $.GREATER_THAN_SIGN) {

                this._emitCurrentToken();

                this.state = DATA_STATE;

                return;

            }

        }



        this._emitChar('<');

        this._emitChar('/');

        this._emitSeveralCodePoints(this.tempBuff);

        this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);

    }

};





//12.2.4.28 Script data double escape start state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE] = function scriptDataDoubleEscapeStartState(cp) {

    if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN) {

        this.state = this.isTempBufferEqualToScriptString() ? SCRIPT_DATA_DOUBLE_ESCAPED_STATE : SCRIPT_DATA_ESCAPED_STATE;

        this._emitCodePoint(cp);

    }



    else if (isAsciiUpper(cp)) {

        this.tempBuff.push(toAsciiLowerCodePoint(cp));

        this._emitCodePoint(cp);

    }



    else if (isAsciiLower(cp)) {

        this.tempBuff.push(cp);

        this._emitCodePoint(cp);

    }



    else

        this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);

};





//12.2.4.29 Script data double escaped state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPED_STATE] = function scriptDataDoubleEscapedState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE;

        this._emitChar('-');

    }



    else if (cp === $.LESS_THAN_SIGN) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;

        this._emitChar('<');

    }



    else if (cp === $.NULL)

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this._emitCodePoint(cp);

};





//12.2.4.30 Script data double escaped dash state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE] = function scriptDataDoubleEscapedDashState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE;

        this._emitChar('-');

    }



    else if (cp === $.LESS_THAN_SIGN) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;

        this._emitChar('<');

    }



    else if (cp === $.NULL) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;

        this._emitCodePoint(cp);

    }

};





//12.2.4.31 Script data double escaped dash dash state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE] = function scriptDataDoubleEscapedDashDashState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this._emitChar('-');



    else if (cp === $.LESS_THAN_SIGN) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;

        this._emitChar('<');

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = SCRIPT_DATA_STATE;

        this._emitChar('>');

    }



    else if (cp === $.NULL) {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;

        this._emitChar(UNICODE.REPLACEMENT_CHARACTER);

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;

        this._emitCodePoint(cp);

    }

};





//12.2.4.32 Script data double escaped less-than sign state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE] = function scriptDataDoubleEscapedLessThanSignState(cp) {

    if (cp === $.SOLIDUS) {

        this.tempBuff = [];

        this.state = SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE;

        this._emitChar('/');

    }



    else

        this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPED_STATE);

};





//12.2.4.33 Script data double escape end state

//------------------------------------------------------------------

_[SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE] = function scriptDataDoubleEscapeEndState(cp) {

    if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN) {

        this.state = this.isTempBufferEqualToScriptString() ? SCRIPT_DATA_ESCAPED_STATE : SCRIPT_DATA_DOUBLE_ESCAPED_STATE;



        this._emitCodePoint(cp);

    }



    else if (isAsciiUpper(cp)) {

        this.tempBuff.push(toAsciiLowerCodePoint(cp));

        this._emitCodePoint(cp);

    }



    else if (isAsciiLower(cp)) {

        this.tempBuff.push(cp);

        this._emitCodePoint(cp);

    }



    else

        this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPED_STATE);

};





//12.2.4.34 Before attribute name state

//------------------------------------------------------------------

_[BEFORE_ATTRIBUTE_NAME_STATE] = function beforeAttributeNameState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.SOLIDUS)

        this.state = SELF_CLOSING_START_TAG_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (isAsciiUpper(cp)) {

        this._createAttr(toAsciiLowerChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.NULL) {

        this._createAttr(UNICODE.REPLACEMENT_CHARACTER);

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN || cp === $.EQUALS_SIGN) {

        this._createAttr(toChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this._createAttr(toChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }

};





//12.2.4.35 Attribute name state

//------------------------------------------------------------------

_[ATTRIBUTE_NAME_STATE] = function attributeNameState(cp) {

    if (isWhitespace(cp))

        this._leaveAttrName(AFTER_ATTRIBUTE_NAME_STATE);



    else if (cp === $.SOLIDUS)

        this._leaveAttrName(SELF_CLOSING_START_TAG_STATE);



    else if (cp === $.EQUALS_SIGN)

        this._leaveAttrName(BEFORE_ATTRIBUTE_VALUE_STATE);



    else if (cp === $.GREATER_THAN_SIGN) {

        this._leaveAttrName(DATA_STATE);

        this._emitCurrentToken();

    }



    else if (isAsciiUpper(cp))

        this.currentAttr.name += toAsciiLowerChar(cp);



    else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN)

        this.currentAttr.name += toChar(cp);



    else if (cp === $.NULL)

        this.currentAttr.name += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this.currentAttr.name += toChar(cp);

};





//12.2.4.36 After attribute name state

//------------------------------------------------------------------

_[AFTER_ATTRIBUTE_NAME_STATE] = function afterAttributeNameState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.SOLIDUS)

        this.state = SELF_CLOSING_START_TAG_STATE;



    else if (cp === $.EQUALS_SIGN)

        this.state = BEFORE_ATTRIBUTE_VALUE_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (isAsciiUpper(cp)) {

        this._createAttr(toAsciiLowerChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.NULL) {

        this._createAttr(UNICODE.REPLACEMENT_CHARACTER);

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN) {

        this._createAttr(toChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this._createAttr(toChar(cp));

        this.state = ATTRIBUTE_NAME_STATE;

    }

};





//12.2.4.37 Before attribute value state

//------------------------------------------------------------------

_[BEFORE_ATTRIBUTE_VALUE_STATE] = function beforeAttributeValueState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.QUOTATION_MARK)

        this.state = ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE;



    else if (cp === $.AMPERSAND)

        this._reconsumeInState(ATTRIBUTE_VALUE_UNQUOTED_STATE);



    else if (cp === $.APOSTROPHE)

        this.state = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE;



    else if (cp === $.NULL) {

        this.currentAttr.value += UNICODE.REPLACEMENT_CHARACTER;

        this.state = ATTRIBUTE_VALUE_UNQUOTED_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.LESS_THAN_SIGN || cp === $.EQUALS_SIGN || cp === $.GRAVE_ACCENT) {

        this.currentAttr.value += toChar(cp);

        this.state = ATTRIBUTE_VALUE_UNQUOTED_STATE;

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else {

        this.currentAttr.value += toChar(cp);

        this.state = ATTRIBUTE_VALUE_UNQUOTED_STATE;

    }

};





//12.2.4.38 Attribute value (double-quoted) state

//------------------------------------------------------------------

_[ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE] = function attributeValueDoubleQuotedState(cp) {

    if (cp === $.QUOTATION_MARK)

        this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE;



    else if (cp === $.AMPERSAND) {

        this.additionalAllowedCp = $.QUOTATION_MARK;

        this.returnState = this.state;

        this.state = CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE;

    }



    else if (cp === $.NULL)

        this.currentAttr.value += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this.currentAttr.value += toChar(cp);

};





//12.2.4.39 Attribute value (single-quoted) state

//------------------------------------------------------------------

_[ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE] = function attributeValueSingleQuotedState(cp) {

    if (cp === $.APOSTROPHE)

        this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE;



    else if (cp === $.AMPERSAND) {

        this.additionalAllowedCp = $.APOSTROPHE;

        this.returnState = this.state;

        this.state = CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE;

    }



    else if (cp === $.NULL)

        this.currentAttr.value += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this.currentAttr.value += toChar(cp);

};





//12.2.4.40 Attribute value (unquoted) state

//------------------------------------------------------------------

_[ATTRIBUTE_VALUE_UNQUOTED_STATE] = function attributeValueUnquotedState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_ATTRIBUTE_NAME_STATE;



    else if (cp === $.AMPERSAND) {

        this.additionalAllowedCp = $.GREATER_THAN_SIGN;

        this.returnState = this.state;

        this.state = CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.NULL)

        this.currentAttr.value += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN ||

             cp === $.EQUALS_SIGN || cp === $.GRAVE_ACCENT) {

        this.currentAttr.value += toChar(cp);

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this.currentAttr.value += toChar(cp);

};





//12.2.4.41 Character reference in attribute value state

//------------------------------------------------------------------

_[CHARACTER_REFERENCE_IN_ATTRIBUTE_VALUE_STATE] = function characterReferenceInAttributeValueState(cp) {

    var referencedCodePoints = this._consumeCharacterReference(cp, true);



    if (referencedCodePoints) {

        for (var i = 0; i < referencedCodePoints.length; i++)

            this.currentAttr.value += toChar(referencedCodePoints[i]);

    } else

        this.currentAttr.value += '&';



    this.state = this.returnState;

};





//12.2.4.42 After attribute value (quoted) state

//------------------------------------------------------------------

_[AFTER_ATTRIBUTE_VALUE_QUOTED_STATE] = function afterAttributeValueQuotedState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_ATTRIBUTE_NAME_STATE;



    else if (cp === $.SOLIDUS)

        this.state = SELF_CLOSING_START_TAG_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE);

};





//12.2.4.43 Self-closing start tag state

//------------------------------------------------------------------

_[SELF_CLOSING_START_TAG_STATE] = function selfClosingStartTagState(cp) {

    if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.selfClosing = true;

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EOF)

        this._reconsumeInState(DATA_STATE);



    else

        this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE);

};





//12.2.4.44 Bogus comment state

//------------------------------------------------------------------

_[BOGUS_COMMENT_STATE] = function bogusCommentState(cp) {

    this._createCommentToken();



    while (true) {

        if (cp === $.GREATER_THAN_SIGN) {

            this.state = DATA_STATE;

            break;

        }



        else if (cp === $.EOF) {

            this._reconsumeInState(DATA_STATE);

            break;

        }



        else {

            this.currentToken.data += cp === $.NULL ? UNICODE.REPLACEMENT_CHARACTER : toChar(cp);

            cp = this._consume();

        }

    }



    this._emitCurrentToken();

};





//12.2.4.45 Markup declaration open state

//------------------------------------------------------------------

_[MARKUP_DECLARATION_OPEN_STATE] = function markupDeclarationOpenState(cp) {

    if (this._consumeSubsequentIfMatch($$.DASH_DASH_STRING, cp, true)) {

        this._createCommentToken();

        this.state = COMMENT_START_STATE;

    }



    else if (this._consumeSubsequentIfMatch($$.DOCTYPE_STRING, cp, false))

        this.state = DOCTYPE_STATE;



    else if (this.allowCDATA && this._consumeSubsequentIfMatch($$.CDATA_START_STRING, cp, true))

        this.state = CDATA_SECTION_STATE;



    else {

        //NOTE: call bogus comment state directly with current consumed character to avoid unnecessary reconsumption.

        this[BOGUS_COMMENT_STATE](cp);

    }

};





//12.2.4.46 Comment start state

//------------------------------------------------------------------

_[COMMENT_START_STATE] = function commentStartState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this.state = COMMENT_START_DASH_STATE;



    else if (cp === $.NULL) {

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;

        this.state = COMMENT_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.data += toChar(cp);

        this.state = COMMENT_STATE;

    }

};





//12.2.4.47 Comment start dash state

//------------------------------------------------------------------

_[COMMENT_START_DASH_STATE] = function commentStartDashState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this.state = COMMENT_END_STATE;



    else if (cp === $.NULL) {

        this.currentToken.data += '-';

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;

        this.state = COMMENT_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.data += '-';

        this.currentToken.data += toChar(cp);

        this.state = COMMENT_STATE;

    }

};





//12.2.4.48 Comment state

//------------------------------------------------------------------

_[COMMENT_STATE] = function commentState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this.state = COMMENT_END_DASH_STATE;



    else if (cp === $.NULL)

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.data += toChar(cp);

};





//12.2.4.49 Comment end dash state

//------------------------------------------------------------------

_[COMMENT_END_DASH_STATE] = function commentEndDashState(cp) {

    if (cp === $.HYPHEN_MINUS)

        this.state = COMMENT_END_STATE;



    else if (cp === $.NULL) {

        this.currentToken.data += '-';

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;

        this.state = COMMENT_STATE;

    }



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.data += '-';

        this.currentToken.data += toChar(cp);

        this.state = COMMENT_STATE;

    }

};





//12.2.4.50 Comment end state

//------------------------------------------------------------------

_[COMMENT_END_STATE] = function commentEndState(cp) {

    if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EXCLAMATION_MARK)

        this.state = COMMENT_END_BANG_STATE;



    else if (cp === $.HYPHEN_MINUS)

        this.currentToken.data += '-';



    else if (cp === $.NULL) {

        this.currentToken.data += '--';

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;

        this.state = COMMENT_STATE;

    }



    else if (cp === $.EOF) {

        this._reconsumeInState(DATA_STATE);

        this._emitCurrentToken();

    }



    else {

        this.currentToken.data += '--';

        this.currentToken.data += toChar(cp);

        this.state = COMMENT_STATE;

    }

};





//12.2.4.51 Comment end bang state

//------------------------------------------------------------------

_[COMMENT_END_BANG_STATE] = function commentEndBangState(cp) {

    if (cp === $.HYPHEN_MINUS) {

        this.currentToken.data += '--!';

        this.state = COMMENT_END_DASH_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.NULL) {

        this.currentToken.data += '--!';

        this.currentToken.data += UNICODE.REPLACEMENT_CHARACTER;

        this.state = COMMENT_STATE;

    }



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.data += '--!';

        this.currentToken.data += toChar(cp);

        this.state = COMMENT_STATE;

    }

};





//12.2.4.52 DOCTYPE state

//------------------------------------------------------------------

_[DOCTYPE_STATE] = function doctypeState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_DOCTYPE_NAME_STATE;



    else if (cp === $.EOF) {

        this._createDoctypeToken();

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this._reconsumeInState(BEFORE_DOCTYPE_NAME_STATE);

};





//12.2.4.53 Before DOCTYPE name state

//------------------------------------------------------------------

_[BEFORE_DOCTYPE_NAME_STATE] = function beforeDoctypeNameState(cp) {

    if (isWhitespace(cp))

        return;



    if (isAsciiUpper(cp)) {

        this._createDoctypeToken(toAsciiLowerChar(cp));

        this.state = DOCTYPE_NAME_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this._createDoctypeToken();

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this._createDoctypeToken();

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else if (cp === $.NULL) {

        this._createDoctypeToken(UNICODE.REPLACEMENT_CHARACTER);

        this.state = DOCTYPE_NAME_STATE;

    }



    else {

        this._createDoctypeToken(toChar(cp));

        this.state = DOCTYPE_NAME_STATE;

    }

};





//12.2.4.54 DOCTYPE name state

//------------------------------------------------------------------

_[DOCTYPE_NAME_STATE] = function doctypeNameState(cp) {

    if (isWhitespace(cp))

        this.state = AFTER_DOCTYPE_NAME_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (isAsciiUpper(cp))

        this.currentToken.name += toAsciiLowerChar(cp);



    else if (cp === $.NULL)

        this.currentToken.name += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.name += toChar(cp);

};





//12.2.4.55 After DOCTYPE name state

//------------------------------------------------------------------

_[AFTER_DOCTYPE_NAME_STATE] = function afterDoctypeNameState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.GREATER_THAN_SIGN) {

        this.state = DATA_STATE;

        this._emitCurrentToken();

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else if (this._consumeSubsequentIfMatch($$.PUBLIC_STRING, cp, false))

        this.state = AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE;



    else if (this._consumeSubsequentIfMatch($$.SYSTEM_STRING, cp, false))

        this.state = AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE;



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.56 After DOCTYPE public keyword state

//------------------------------------------------------------------

_[AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE] = function afterDoctypePublicKeywordState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE;



    else if (cp === $.QUOTATION_MARK) {

        this.currentToken.publicId = '';

        this.state = DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }



    else if (cp === $.APOSTROPHE) {

        this.currentToken.publicId = '';

        this.state = DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.57 Before DOCTYPE public identifier state

//------------------------------------------------------------------

_[BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE] = function beforeDoctypePublicIdentifierState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.QUOTATION_MARK) {

        this.currentToken.publicId = '';

        this.state = DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }



    else if (cp === $.APOSTROPHE) {

        this.currentToken.publicId = '';

        this.state = DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.58 DOCTYPE public identifier (double-quoted) state

//------------------------------------------------------------------

_[DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE] = function doctypePublicIdentifierDoubleQuotedState(cp) {

    if (cp === $.QUOTATION_MARK)

        this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE;



    else if (cp === $.NULL)

        this.currentToken.publicId += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.publicId += toChar(cp);

};





//12.2.4.59 DOCTYPE public identifier (single-quoted) state

//------------------------------------------------------------------

_[DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE] = function doctypePublicIdentifierSingleQuotedState(cp) {

    if (cp === $.APOSTROPHE)

        this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE;



    else if (cp === $.NULL)

        this.currentToken.publicId += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.publicId += toChar(cp);

};





//12.2.4.60 After DOCTYPE public identifier state

//------------------------------------------------------------------

_[AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE] = function afterDoctypePublicIdentifierState(cp) {

    if (isWhitespace(cp))

        this.state = BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.QUOTATION_MARK) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }



    else if (cp === $.APOSTROPHE) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.61 Between DOCTYPE public and system identifiers state

//------------------------------------------------------------------

_[BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE] = function betweenDoctypePublicAndSystemIdentifiersState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.GREATER_THAN_SIGN) {

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.QUOTATION_MARK) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }





    else if (cp === $.APOSTROPHE) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.62 After DOCTYPE system keyword state

//------------------------------------------------------------------

_[AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE] = function afterDoctypeSystemKeywordState(cp) {

    if (isWhitespace(cp))

        this.state = BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE;



    else if (cp === $.QUOTATION_MARK) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }



    else if (cp === $.APOSTROPHE) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.63 Before DOCTYPE system identifier state

//------------------------------------------------------------------

_[BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE] = function beforeDoctypeSystemIdentifierState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.QUOTATION_MARK) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;

    }



    else if (cp === $.APOSTROPHE) {

        this.currentToken.systemId = '';

        this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;

    }



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else {

        this.currentToken.forceQuirks = true;

        this.state = BOGUS_DOCTYPE_STATE;

    }

};





//12.2.4.64 DOCTYPE system identifier (double-quoted) state

//------------------------------------------------------------------

_[DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE] = function doctypeSystemIdentifierDoubleQuotedState(cp) {

    if (cp === $.QUOTATION_MARK)

        this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.NULL)

        this.currentToken.systemId += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.systemId += toChar(cp);

};





//12.2.4.65 DOCTYPE system identifier (single-quoted) state

//------------------------------------------------------------------

_[DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE] = function doctypeSystemIdentifierSingleQuotedState(cp) {

    if (cp === $.APOSTROPHE)

        this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE;



    else if (cp === $.GREATER_THAN_SIGN) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.NULL)

        this.currentToken.systemId += UNICODE.REPLACEMENT_CHARACTER;



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.currentToken.systemId += toChar(cp);

};





//12.2.4.66 After DOCTYPE system identifier state

//------------------------------------------------------------------

_[AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE] = function afterDoctypeSystemIdentifierState(cp) {

    if (isWhitespace(cp))

        return;



    if (cp === $.GREATER_THAN_SIGN) {

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this.currentToken.forceQuirks = true;

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }



    else

        this.state = BOGUS_DOCTYPE_STATE;

};





//12.2.4.67 Bogus DOCTYPE state

//------------------------------------------------------------------

_[BOGUS_DOCTYPE_STATE] = function bogusDoctypeState(cp) {

    if (cp === $.GREATER_THAN_SIGN) {

        this._emitCurrentToken();

        this.state = DATA_STATE;

    }



    else if (cp === $.EOF) {

        this._emitCurrentToken();

        this._reconsumeInState(DATA_STATE);

    }

};





//12.2.4.68 CDATA section state

//------------------------------------------------------------------

_[CDATA_SECTION_STATE] = function cdataSectionState(cp) {

    while (true) {

        if (cp === $.EOF) {

            this._reconsumeInState(DATA_STATE);

            break;

        }



        else if (this._consumeSubsequentIfMatch($$.CDATA_END_STRING, cp, true)) {

            this.state = DATA_STATE;

            break;

        }



        else {

            this._emitCodePoint(cp);

            cp = this._consume();

        }

    }

};