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diff --git a/alarm/node_modules/parse5/lib/tokenizer/index.js b/alarm/node_modules/parse5/lib/tokenizer/index.js
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+'use strict';
+
+const Preprocessor = require('./preprocessor');
+const unicode = require('../common/unicode');
+const neTree = require('./named-entity-data');
+const ERR = require('../common/error-codes');
+
+//Aliases
+const $ = unicode.CODE_POINTS;
+const $$ = unicode.CODE_POINT_SEQUENCES;
+
+//C1 Unicode control character reference replacements
+const C1_CONTROLS_REFERENCE_REPLACEMENTS = {
+ 0x80: 0x20ac,
+ 0x82: 0x201a,
+ 0x83: 0x0192,
+ 0x84: 0x201e,
+ 0x85: 0x2026,
+ 0x86: 0x2020,
+ 0x87: 0x2021,
+ 0x88: 0x02c6,
+ 0x89: 0x2030,
+ 0x8a: 0x0160,
+ 0x8b: 0x2039,
+ 0x8c: 0x0152,
+ 0x8e: 0x017d,
+ 0x91: 0x2018,
+ 0x92: 0x2019,
+ 0x93: 0x201c,
+ 0x94: 0x201d,
+ 0x95: 0x2022,
+ 0x96: 0x2013,
+ 0x97: 0x2014,
+ 0x98: 0x02dc,
+ 0x99: 0x2122,
+ 0x9a: 0x0161,
+ 0x9b: 0x203a,
+ 0x9c: 0x0153,
+ 0x9e: 0x017e,
+ 0x9f: 0x0178
+};
+
+// Named entity tree flags
+const HAS_DATA_FLAG = 1 << 0;
+const DATA_DUPLET_FLAG = 1 << 1;
+const HAS_BRANCHES_FLAG = 1 << 2;
+const MAX_BRANCH_MARKER_VALUE = HAS_DATA_FLAG | DATA_DUPLET_FLAG | HAS_BRANCHES_FLAG;
+
+//States
+const DATA_STATE = 'DATA_STATE';
+const RCDATA_STATE = 'RCDATA_STATE';
+const RAWTEXT_STATE = 'RAWTEXT_STATE';
+const SCRIPT_DATA_STATE = 'SCRIPT_DATA_STATE';
+const PLAINTEXT_STATE = 'PLAINTEXT_STATE';
+const TAG_OPEN_STATE = 'TAG_OPEN_STATE';
+const END_TAG_OPEN_STATE = 'END_TAG_OPEN_STATE';
+const TAG_NAME_STATE = 'TAG_NAME_STATE';
+const RCDATA_LESS_THAN_SIGN_STATE = 'RCDATA_LESS_THAN_SIGN_STATE';
+const RCDATA_END_TAG_OPEN_STATE = 'RCDATA_END_TAG_OPEN_STATE';
+const RCDATA_END_TAG_NAME_STATE = 'RCDATA_END_TAG_NAME_STATE';
+const RAWTEXT_LESS_THAN_SIGN_STATE = 'RAWTEXT_LESS_THAN_SIGN_STATE';
+const RAWTEXT_END_TAG_OPEN_STATE = 'RAWTEXT_END_TAG_OPEN_STATE';
+const RAWTEXT_END_TAG_NAME_STATE = 'RAWTEXT_END_TAG_NAME_STATE';
+const SCRIPT_DATA_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_LESS_THAN_SIGN_STATE';
+const SCRIPT_DATA_END_TAG_OPEN_STATE = 'SCRIPT_DATA_END_TAG_OPEN_STATE';
+const SCRIPT_DATA_END_TAG_NAME_STATE = 'SCRIPT_DATA_END_TAG_NAME_STATE';
+const SCRIPT_DATA_ESCAPE_START_STATE = 'SCRIPT_DATA_ESCAPE_START_STATE';
+const SCRIPT_DATA_ESCAPE_START_DASH_STATE = 'SCRIPT_DATA_ESCAPE_START_DASH_STATE';
+const SCRIPT_DATA_ESCAPED_STATE = 'SCRIPT_DATA_ESCAPED_STATE';
+const SCRIPT_DATA_ESCAPED_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_STATE';
+const SCRIPT_DATA_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_DASH_STATE';
+const SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE';
+const SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE';
+const SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPED_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE';
+const SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE';
+const BEFORE_ATTRIBUTE_NAME_STATE = 'BEFORE_ATTRIBUTE_NAME_STATE';
+const ATTRIBUTE_NAME_STATE = 'ATTRIBUTE_NAME_STATE';
+const AFTER_ATTRIBUTE_NAME_STATE = 'AFTER_ATTRIBUTE_NAME_STATE';
+const BEFORE_ATTRIBUTE_VALUE_STATE = 'BEFORE_ATTRIBUTE_VALUE_STATE';
+const ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE';
+const ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE';
+const ATTRIBUTE_VALUE_UNQUOTED_STATE = 'ATTRIBUTE_VALUE_UNQUOTED_STATE';
+const AFTER_ATTRIBUTE_VALUE_QUOTED_STATE = 'AFTER_ATTRIBUTE_VALUE_QUOTED_STATE';
+const SELF_CLOSING_START_TAG_STATE = 'SELF_CLOSING_START_TAG_STATE';
+const BOGUS_COMMENT_STATE = 'BOGUS_COMMENT_STATE';
+const MARKUP_DECLARATION_OPEN_STATE = 'MARKUP_DECLARATION_OPEN_STATE';
+const COMMENT_START_STATE = 'COMMENT_START_STATE';
+const COMMENT_START_DASH_STATE = 'COMMENT_START_DASH_STATE';
+const COMMENT_STATE = 'COMMENT_STATE';
+const COMMENT_LESS_THAN_SIGN_STATE = 'COMMENT_LESS_THAN_SIGN_STATE';
+const COMMENT_LESS_THAN_SIGN_BANG_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_STATE';
+const COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE';
+const COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE';
+const COMMENT_END_DASH_STATE = 'COMMENT_END_DASH_STATE';
+const COMMENT_END_STATE = 'COMMENT_END_STATE';
+const COMMENT_END_BANG_STATE = 'COMMENT_END_BANG_STATE';
+const DOCTYPE_STATE = 'DOCTYPE_STATE';
+const BEFORE_DOCTYPE_NAME_STATE = 'BEFORE_DOCTYPE_NAME_STATE';
+const DOCTYPE_NAME_STATE = 'DOCTYPE_NAME_STATE';
+const AFTER_DOCTYPE_NAME_STATE = 'AFTER_DOCTYPE_NAME_STATE';
+const AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE = 'AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE';
+const BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE';
+const DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE';
+const DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE';
+const AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE';
+const BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE = 'BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE';
+const AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE = 'AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE';
+const BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE';
+const DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE';
+const DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE';
+const AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE';
+const BOGUS_DOCTYPE_STATE = 'BOGUS_DOCTYPE_STATE';
+const CDATA_SECTION_STATE = 'CDATA_SECTION_STATE';
+const CDATA_SECTION_BRACKET_STATE = 'CDATA_SECTION_BRACKET_STATE';
+const CDATA_SECTION_END_STATE = 'CDATA_SECTION_END_STATE';
+const CHARACTER_REFERENCE_STATE = 'CHARACTER_REFERENCE_STATE';
+const NAMED_CHARACTER_REFERENCE_STATE = 'NAMED_CHARACTER_REFERENCE_STATE';
+const AMBIGUOUS_AMPERSAND_STATE = 'AMBIGUOS_AMPERSAND_STATE';
+const NUMERIC_CHARACTER_REFERENCE_STATE = 'NUMERIC_CHARACTER_REFERENCE_STATE';
+const HEXADEMICAL_CHARACTER_REFERENCE_START_STATE = 'HEXADEMICAL_CHARACTER_REFERENCE_START_STATE';
+const DECIMAL_CHARACTER_REFERENCE_START_STATE = 'DECIMAL_CHARACTER_REFERENCE_START_STATE';
+const HEXADEMICAL_CHARACTER_REFERENCE_STATE = 'HEXADEMICAL_CHARACTER_REFERENCE_STATE';
+const DECIMAL_CHARACTER_REFERENCE_STATE = 'DECIMAL_CHARACTER_REFERENCE_STATE';
+const NUMERIC_CHARACTER_REFERENCE_END_STATE = 'NUMERIC_CHARACTER_REFERENCE_END_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 isAsciiLetter(cp) {
+ return isAsciiLower(cp) || isAsciiUpper(cp);
+}
+
+function isAsciiAlphaNumeric(cp) {
+ return isAsciiLetter(cp) || isAsciiDigit(cp);
+}
+
+function isAsciiUpperHexDigit(cp) {
+ return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_F;
+}
+
+function isAsciiLowerHexDigit(cp) {
+ return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_F;
+}
+
+function isAsciiHexDigit(cp) {
+ return isAsciiDigit(cp) || isAsciiUpperHexDigit(cp) || isAsciiLowerHexDigit(cp);
+}
+
+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));
+}
+
+function findNamedEntityTreeBranch(nodeIx, cp) {
+ const branchCount = neTree[++nodeIx];
+ let lo = ++nodeIx;
+ let hi = lo + branchCount - 1;
+
+ while (lo <= hi) {
+ const mid = (lo + hi) >>> 1;
+ const midCp = neTree[mid];
+
+ if (midCp < cp) {
+ lo = mid + 1;
+ } else if (midCp > cp) {
+ hi = mid - 1;
+ } else {
+ return neTree[mid + branchCount];
+ }
+ }
+
+ return -1;
+}
+
+//Tokenizer
+class Tokenizer {
+ constructor() {
+ this.preprocessor = new Preprocessor();
+
+ this.tokenQueue = [];
+
+ this.allowCDATA = false;
+
+ this.state = DATA_STATE;
+ this.returnState = '';
+
+ this.charRefCode = -1;
+ this.tempBuff = [];
+ this.lastStartTagName = '';
+
+ this.consumedAfterSnapshot = -1;
+ this.active = false;
+
+ this.currentCharacterToken = null;
+ this.currentToken = null;
+ this.currentAttr = null;
+ }
+
+ //Errors
+ _err() {
+ // NOTE: err reporting is noop by default. Enabled by mixin.
+ }
+
+ _errOnNextCodePoint(err) {
+ this._consume();
+ this._err(err);
+ this._unconsume();
+ }
+
+ //API
+ getNextToken() {
+ while (!this.tokenQueue.length && this.active) {
+ this.consumedAfterSnapshot = 0;
+
+ const cp = this._consume();
+
+ if (!this._ensureHibernation()) {
+ this[this.state](cp);
+ }
+ }
+
+ return this.tokenQueue.shift();
+ }
+
+ write(chunk, isLastChunk) {
+ this.active = true;
+ this.preprocessor.write(chunk, isLastChunk);
+ }
+
+ insertHtmlAtCurrentPos(chunk) {
+ this.active = true;
+ this.preprocessor.insertHtmlAtCurrentPos(chunk);
+ }
+
+ //Hibernation
+ _ensureHibernation() {
+ if (this.preprocessor.endOfChunkHit) {
+ for (; this.consumedAfterSnapshot > 0; this.consumedAfterSnapshot--) {
+ this.preprocessor.retreat();
+ }
+
+ this.active = false;
+ this.tokenQueue.push({ type: Tokenizer.HIBERNATION_TOKEN });
+
+ return true;
+ }
+
+ return false;
+ }
+
+ //Consumption
+ _consume() {
+ this.consumedAfterSnapshot++;
+ return this.preprocessor.advance();
+ }
+
+ _unconsume() {
+ this.consumedAfterSnapshot--;
+ this.preprocessor.retreat();
+ }
+
+ _reconsumeInState(state) {
+ this.state = state;
+ this._unconsume();
+ }
+
+ _consumeSequenceIfMatch(pattern, startCp, caseSensitive) {
+ let consumedCount = 0;
+ let isMatch = true;
+ const patternLength = pattern.length;
+ let patternPos = 0;
+ let cp = startCp;
+ let patternCp = void 0;
+
+ for (; patternPos < patternLength; patternPos++) {
+ if (patternPos > 0) {
+ cp = this._consume();
+ consumedCount++;
+ }
+
+ if (cp === $.EOF) {
+ isMatch = false;
+ break;
+ }
+
+ patternCp = pattern[patternPos];
+
+ if (cp !== patternCp && (caseSensitive || cp !== toAsciiLowerCodePoint(patternCp))) {
+ isMatch = false;
+ break;
+ }
+ }
+
+ if (!isMatch) {
+ while (consumedCount--) {
+ this._unconsume();
+ }
+ }
+
+ return isMatch;
+ }
+
+ //Temp buffer
+ _isTempBufferEqualToScriptString() {
+ if (this.tempBuff.length !== $$.SCRIPT_STRING.length) {
+ return false;
+ }
+
+ for (let i = 0; i < this.tempBuff.length; i++) {
+ if (this.tempBuff[i] !== $$.SCRIPT_STRING[i]) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ //Token creation
+ _createStartTagToken() {
+ this.currentToken = {
+ type: Tokenizer.START_TAG_TOKEN,
+ tagName: '',
+ selfClosing: false,
+ ackSelfClosing: false,
+ attrs: []
+ };
+ }
+
+ _createEndTagToken() {
+ this.currentToken = {
+ type: Tokenizer.END_TAG_TOKEN,
+ tagName: '',
+ selfClosing: false,
+ attrs: []
+ };
+ }
+
+ _createCommentToken() {
+ this.currentToken = {
+ type: Tokenizer.COMMENT_TOKEN,
+ data: ''
+ };
+ }
+
+ _createDoctypeToken(initialName) {
+ this.currentToken = {
+ type: Tokenizer.DOCTYPE_TOKEN,
+ name: initialName,
+ forceQuirks: false,
+ publicId: null,
+ systemId: null
+ };
+ }
+
+ _createCharacterToken(type, ch) {
+ this.currentCharacterToken = {
+ type: type,
+ chars: ch
+ };
+ }
+
+ _createEOFToken() {
+ this.currentToken = { type: Tokenizer.EOF_TOKEN };
+ }
+
+ //Tag attributes
+ _createAttr(attrNameFirstCh) {
+ this.currentAttr = {
+ name: attrNameFirstCh,
+ value: ''
+ };
+ }
+
+ _leaveAttrName(toState) {
+ if (Tokenizer.getTokenAttr(this.currentToken, this.currentAttr.name) === null) {
+ this.currentToken.attrs.push(this.currentAttr);
+ } else {
+ this._err(ERR.duplicateAttribute);
+ }
+
+ this.state = toState;
+ }
+
+ _leaveAttrValue(toState) {
+ this.state = toState;
+ }
+
+ //Token emission
+ _emitCurrentToken() {
+ this._emitCurrentCharacterToken();
+
+ const ct = this.currentToken;
+
+ this.currentToken = null;
+
+ //NOTE: store emited start tag's tagName to determine is the following end tag token is appropriate.
+ if (ct.type === Tokenizer.START_TAG_TOKEN) {
+ this.lastStartTagName = ct.tagName;
+ } else if (ct.type === Tokenizer.END_TAG_TOKEN) {
+ if (ct.attrs.length > 0) {
+ this._err(ERR.endTagWithAttributes);
+ }
+
+ if (ct.selfClosing) {
+ this._err(ERR.endTagWithTrailingSolidus);
+ }
+ }
+
+ this.tokenQueue.push(ct);
+ }
+
+ _emitCurrentCharacterToken() {
+ if (this.currentCharacterToken) {
+ this.tokenQueue.push(this.currentCharacterToken);
+ this.currentCharacterToken = null;
+ }
+ }
+
+ _emitEOFToken() {
+ this._createEOFToken();
+ this._emitCurrentToken();
+ }
+
+ //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@@#$%^')
+ _appendCharToCurrentCharacterToken(type, ch) {
+ if (this.currentCharacterToken && this.currentCharacterToken.type !== type) {
+ this._emitCurrentCharacterToken();
+ }
+
+ if (this.currentCharacterToken) {
+ this.currentCharacterToken.chars += ch;
+ } else {
+ this._createCharacterToken(type, ch);
+ }
+ }
+
+ _emitCodePoint(cp) {
+ let 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));
+ }
+
+ _emitSeveralCodePoints(codePoints) {
+ for (let 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.
+ _emitChars(ch) {
+ this._appendCharToCurrentCharacterToken(Tokenizer.CHARACTER_TOKEN, ch);
+ }
+
+ // Character reference helpers
+ _matchNamedCharacterReference(startCp) {
+ let result = null;
+ let excess = 1;
+ let i = findNamedEntityTreeBranch(0, startCp);
+
+ this.tempBuff.push(startCp);
+
+ while (i > -1) {
+ const current = neTree[i];
+ const inNode = current < MAX_BRANCH_MARKER_VALUE;
+ const nodeWithData = inNode && current & HAS_DATA_FLAG;
+
+ if (nodeWithData) {
+ //NOTE: we use greedy search, so we continue lookup at this point
+ result = current & DATA_DUPLET_FLAG ? [neTree[++i], neTree[++i]] : [neTree[++i]];
+ excess = 0;
+ }
+
+ const cp = this._consume();
+
+ this.tempBuff.push(cp);
+ excess++;
+
+ if (cp === $.EOF) {
+ break;
+ }
+
+ if (inNode) {
+ i = current & HAS_BRANCHES_FLAG ? findNamedEntityTreeBranch(i, cp) : -1;
+ } else {
+ i = cp === current ? ++i : -1;
+ }
+ }
+
+ while (excess--) {
+ this.tempBuff.pop();
+ this._unconsume();
+ }
+
+ return result;
+ }
+
+ _isCharacterReferenceInAttribute() {
+ return (
+ this.returnState === ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE ||
+ this.returnState === ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE ||
+ this.returnState === ATTRIBUTE_VALUE_UNQUOTED_STATE
+ );
+ }
+
+ _isCharacterReferenceAttributeQuirk(withSemicolon) {
+ if (!withSemicolon && this._isCharacterReferenceInAttribute()) {
+ const nextCp = this._consume();
+
+ this._unconsume();
+
+ return nextCp === $.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp);
+ }
+
+ return false;
+ }
+
+ _flushCodePointsConsumedAsCharacterReference() {
+ if (this._isCharacterReferenceInAttribute()) {
+ for (let i = 0; i < this.tempBuff.length; i++) {
+ this.currentAttr.value += toChar(this.tempBuff[i]);
+ }
+ } else {
+ this._emitSeveralCodePoints(this.tempBuff);
+ }
+
+ this.tempBuff = [];
+ }
+
+ // State machine
+
+ // Data state
+ //------------------------------------------------------------------
+ [DATA_STATE](cp) {
+ this.preprocessor.dropParsedChunk();
+
+ if (cp === $.LESS_THAN_SIGN) {
+ this.state = TAG_OPEN_STATE;
+ } else if (cp === $.AMPERSAND) {
+ this.returnState = DATA_STATE;
+ this.state = CHARACTER_REFERENCE_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitCodePoint(cp);
+ } else if (cp === $.EOF) {
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // RCDATA state
+ //------------------------------------------------------------------
+ [RCDATA_STATE](cp) {
+ this.preprocessor.dropParsedChunk();
+
+ if (cp === $.AMPERSAND) {
+ this.returnState = RCDATA_STATE;
+ this.state = CHARACTER_REFERENCE_STATE;
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = RCDATA_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // RAWTEXT state
+ //------------------------------------------------------------------
+ [RAWTEXT_STATE](cp) {
+ this.preprocessor.dropParsedChunk();
+
+ if (cp === $.LESS_THAN_SIGN) {
+ this.state = RAWTEXT_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_STATE](cp) {
+ this.preprocessor.dropParsedChunk();
+
+ if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // PLAINTEXT state
+ //------------------------------------------------------------------
+ [PLAINTEXT_STATE](cp) {
+ this.preprocessor.dropParsedChunk();
+
+ if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Tag open state
+ //------------------------------------------------------------------
+ [TAG_OPEN_STATE](cp) {
+ if (cp === $.EXCLAMATION_MARK) {
+ this.state = MARKUP_DECLARATION_OPEN_STATE;
+ } else if (cp === $.SOLIDUS) {
+ this.state = END_TAG_OPEN_STATE;
+ } else if (isAsciiLetter(cp)) {
+ this._createStartTagToken();
+ this._reconsumeInState(TAG_NAME_STATE);
+ } else if (cp === $.QUESTION_MARK) {
+ this._err(ERR.unexpectedQuestionMarkInsteadOfTagName);
+ this._createCommentToken();
+ this._reconsumeInState(BOGUS_COMMENT_STATE);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofBeforeTagName);
+ this._emitChars('<');
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.invalidFirstCharacterOfTagName);
+ this._emitChars('<');
+ this._reconsumeInState(DATA_STATE);
+ }
+ }
+
+ // End tag open state
+ //------------------------------------------------------------------
+ [END_TAG_OPEN_STATE](cp) {
+ if (isAsciiLetter(cp)) {
+ this._createEndTagToken();
+ this._reconsumeInState(TAG_NAME_STATE);
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.missingEndTagName);
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofBeforeTagName);
+ this._emitChars('</');
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.invalidFirstCharacterOfTagName);
+ this._createCommentToken();
+ this._reconsumeInState(BOGUS_COMMENT_STATE);
+ }
+ }
+
+ // Tag name state
+ //------------------------------------------------------------------
+ [TAG_NAME_STATE](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._err(ERR.unexpectedNullCharacter);
+ this.currentToken.tagName += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this.currentToken.tagName += toChar(cp);
+ }
+ }
+
+ // RCDATA less-than sign state
+ //------------------------------------------------------------------
+ [RCDATA_LESS_THAN_SIGN_STATE](cp) {
+ if (cp === $.SOLIDUS) {
+ this.tempBuff = [];
+ this.state = RCDATA_END_TAG_OPEN_STATE;
+ } else {
+ this._emitChars('<');
+ this._reconsumeInState(RCDATA_STATE);
+ }
+ }
+
+ // RCDATA end tag open state
+ //------------------------------------------------------------------
+ [RCDATA_END_TAG_OPEN_STATE](cp) {
+ if (isAsciiLetter(cp)) {
+ this._createEndTagToken();
+ this._reconsumeInState(RCDATA_END_TAG_NAME_STATE);
+ } else {
+ this._emitChars('</');
+ this._reconsumeInState(RCDATA_STATE);
+ }
+ }
+
+ // RCDATA end tag name state
+ //------------------------------------------------------------------
+ [RCDATA_END_TAG_NAME_STATE](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.lastStartTagName === this.currentToken.tagName) {
+ 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._emitChars('</');
+ this._emitSeveralCodePoints(this.tempBuff);
+ this._reconsumeInState(RCDATA_STATE);
+ }
+ }
+
+ // RAWTEXT less-than sign state
+ //------------------------------------------------------------------
+ [RAWTEXT_LESS_THAN_SIGN_STATE](cp) {
+ if (cp === $.SOLIDUS) {
+ this.tempBuff = [];
+ this.state = RAWTEXT_END_TAG_OPEN_STATE;
+ } else {
+ this._emitChars('<');
+ this._reconsumeInState(RAWTEXT_STATE);
+ }
+ }
+
+ // RAWTEXT end tag open state
+ //------------------------------------------------------------------
+ [RAWTEXT_END_TAG_OPEN_STATE](cp) {
+ if (isAsciiLetter(cp)) {
+ this._createEndTagToken();
+ this._reconsumeInState(RAWTEXT_END_TAG_NAME_STATE);
+ } else {
+ this._emitChars('</');
+ this._reconsumeInState(RAWTEXT_STATE);
+ }
+ }
+
+ // RAWTEXT end tag name state
+ //------------------------------------------------------------------
+ [RAWTEXT_END_TAG_NAME_STATE](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.lastStartTagName === this.currentToken.tagName) {
+ 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._emitChars('</');
+ this._emitSeveralCodePoints(this.tempBuff);
+ this._reconsumeInState(RAWTEXT_STATE);
+ }
+ }
+
+ // Script data less-than sign state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_LESS_THAN_SIGN_STATE](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._emitChars('<!');
+ } else {
+ this._emitChars('<');
+ this._reconsumeInState(SCRIPT_DATA_STATE);
+ }
+ }
+
+ // Script data end tag open state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_END_TAG_OPEN_STATE](cp) {
+ if (isAsciiLetter(cp)) {
+ this._createEndTagToken();
+ this._reconsumeInState(SCRIPT_DATA_END_TAG_NAME_STATE);
+ } else {
+ this._emitChars('</');
+ this._reconsumeInState(SCRIPT_DATA_STATE);
+ }
+ }
+
+ // Script data end tag name state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_END_TAG_NAME_STATE](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.lastStartTagName === this.currentToken.tagName) {
+ 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._emitChars('</');
+ this._emitSeveralCodePoints(this.tempBuff);
+ this._reconsumeInState(SCRIPT_DATA_STATE);
+ }
+ }
+
+ // Script data escape start state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPE_START_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_ESCAPE_START_DASH_STATE;
+ this._emitChars('-');
+ } else {
+ this._reconsumeInState(SCRIPT_DATA_STATE);
+ }
+ }
+
+ // Script data escape start dash state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPE_START_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE;
+ this._emitChars('-');
+ } else {
+ this._reconsumeInState(SCRIPT_DATA_STATE);
+ }
+ }
+
+ // Script data escaped state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_ESCAPED_DASH_STATE;
+ this._emitChars('-');
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data escaped dash state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE;
+ this._emitChars('-');
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.state = SCRIPT_DATA_ESCAPED_STATE;
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this.state = SCRIPT_DATA_ESCAPED_STATE;
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data escaped dash dash state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_DASH_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this._emitChars('-');
+ } 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._emitChars('>');
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.state = SCRIPT_DATA_ESCAPED_STATE;
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this.state = SCRIPT_DATA_ESCAPED_STATE;
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data escaped less-than sign state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE](cp) {
+ if (cp === $.SOLIDUS) {
+ this.tempBuff = [];
+ this.state = SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE;
+ } else if (isAsciiLetter(cp)) {
+ this.tempBuff = [];
+ this._emitChars('<');
+ this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE);
+ } else {
+ this._emitChars('<');
+ this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);
+ }
+ }
+
+ // Script data escaped end tag open state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE](cp) {
+ if (isAsciiLetter(cp)) {
+ this._createEndTagToken();
+ this._reconsumeInState(SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE);
+ } else {
+ this._emitChars('</');
+ this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);
+ }
+ }
+
+ // Script data escaped end tag name state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE](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.lastStartTagName === this.currentToken.tagName) {
+ 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._emitChars('</');
+ this._emitSeveralCodePoints(this.tempBuff);
+ this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE);
+ }
+ }
+
+ // Script data double escape start state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE](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);
+ }
+ }
+
+ // Script data double escaped state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPED_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE;
+ this._emitChars('-');
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;
+ this._emitChars('<');
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data double escaped dash state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE;
+ this._emitChars('-');
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;
+ this._emitChars('<');
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data double escaped dash dash state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this._emitChars('-');
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE;
+ this._emitChars('<');
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this.state = SCRIPT_DATA_STATE;
+ this._emitChars('>');
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;
+ this._emitChars(unicode.REPLACEMENT_CHARACTER);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInScriptHtmlCommentLikeText);
+ this._emitEOFToken();
+ } else {
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE;
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // Script data double escaped less-than sign state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE](cp) {
+ if (cp === $.SOLIDUS) {
+ this.tempBuff = [];
+ this.state = SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE;
+ this._emitChars('/');
+ } else {
+ this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPED_STATE);
+ }
+ }
+
+ // Script data double escape end state
+ //------------------------------------------------------------------
+ [SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE](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);
+ }
+ }
+
+ // Before attribute name state
+ //------------------------------------------------------------------
+ [BEFORE_ATTRIBUTE_NAME_STATE](cp) {
+ if (isWhitespace(cp)) {
+ return;
+ }
+
+ if (cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN || cp === $.EOF) {
+ this._reconsumeInState(AFTER_ATTRIBUTE_NAME_STATE);
+ } else if (cp === $.EQUALS_SIGN) {
+ this._err(ERR.unexpectedEqualsSignBeforeAttributeName);
+ this._createAttr('=');
+ this.state = ATTRIBUTE_NAME_STATE;
+ } else {
+ this._createAttr('');
+ this._reconsumeInState(ATTRIBUTE_NAME_STATE);
+ }
+ }
+
+ // Attribute name state
+ //------------------------------------------------------------------
+ [ATTRIBUTE_NAME_STATE](cp) {
+ if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN || cp === $.EOF) {
+ this._leaveAttrName(AFTER_ATTRIBUTE_NAME_STATE);
+ this._unconsume();
+ } else if (cp === $.EQUALS_SIGN) {
+ this._leaveAttrName(BEFORE_ATTRIBUTE_VALUE_STATE);
+ } else if (isAsciiUpper(cp)) {
+ this.currentAttr.name += toAsciiLowerChar(cp);
+ } else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN) {
+ this._err(ERR.unexpectedCharacterInAttributeName);
+ this.currentAttr.name += toChar(cp);
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentAttr.name += unicode.REPLACEMENT_CHARACTER;
+ } else {
+ this.currentAttr.name += toChar(cp);
+ }
+ }
+
+ // After attribute name state
+ //------------------------------------------------------------------
+ [AFTER_ATTRIBUTE_NAME_STATE](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 (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this._createAttr('');
+ this._reconsumeInState(ATTRIBUTE_NAME_STATE);
+ }
+ }
+
+ // Before attribute value state
+ //------------------------------------------------------------------
+ [BEFORE_ATTRIBUTE_VALUE_STATE](cp) {
+ if (isWhitespace(cp)) {
+ return;
+ }
+
+ if (cp === $.QUOTATION_MARK) {
+ this.state = ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE;
+ } else if (cp === $.APOSTROPHE) {
+ this.state = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.missingAttributeValue);
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else {
+ this._reconsumeInState(ATTRIBUTE_VALUE_UNQUOTED_STATE);
+ }
+ }
+
+ // Attribute value (double-quoted) state
+ //------------------------------------------------------------------
+ [ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE](cp) {
+ if (cp === $.QUOTATION_MARK) {
+ this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE;
+ } else if (cp === $.AMPERSAND) {
+ this.returnState = ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE;
+ this.state = CHARACTER_REFERENCE_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentAttr.value += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this.currentAttr.value += toChar(cp);
+ }
+ }
+
+ // Attribute value (single-quoted) state
+ //------------------------------------------------------------------
+ [ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE](cp) {
+ if (cp === $.APOSTROPHE) {
+ this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE;
+ } else if (cp === $.AMPERSAND) {
+ this.returnState = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE;
+ this.state = CHARACTER_REFERENCE_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentAttr.value += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this.currentAttr.value += toChar(cp);
+ }
+ }
+
+ // Attribute value (unquoted) state
+ //------------------------------------------------------------------
+ [ATTRIBUTE_VALUE_UNQUOTED_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this._leaveAttrValue(BEFORE_ATTRIBUTE_NAME_STATE);
+ } else if (cp === $.AMPERSAND) {
+ this.returnState = ATTRIBUTE_VALUE_UNQUOTED_STATE;
+ this.state = CHARACTER_REFERENCE_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._leaveAttrValue(DATA_STATE);
+ this._emitCurrentToken();
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentAttr.value += unicode.REPLACEMENT_CHARACTER;
+ } else if (
+ cp === $.QUOTATION_MARK ||
+ cp === $.APOSTROPHE ||
+ cp === $.LESS_THAN_SIGN ||
+ cp === $.EQUALS_SIGN ||
+ cp === $.GRAVE_ACCENT
+ ) {
+ this._err(ERR.unexpectedCharacterInUnquotedAttributeValue);
+ this.currentAttr.value += toChar(cp);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this.currentAttr.value += toChar(cp);
+ }
+ }
+
+ // After attribute value (quoted) state
+ //------------------------------------------------------------------
+ [AFTER_ATTRIBUTE_VALUE_QUOTED_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this._leaveAttrValue(BEFORE_ATTRIBUTE_NAME_STATE);
+ } else if (cp === $.SOLIDUS) {
+ this._leaveAttrValue(SELF_CLOSING_START_TAG_STATE);
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._leaveAttrValue(DATA_STATE);
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingWhitespaceBetweenAttributes);
+ this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE);
+ }
+ }
+
+ // Self-closing start tag state
+ //------------------------------------------------------------------
+ [SELF_CLOSING_START_TAG_STATE](cp) {
+ if (cp === $.GREATER_THAN_SIGN) {
+ this.currentToken.selfClosing = true;
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInTag);
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.unexpectedSolidusInTag);
+ this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE);
+ }
+ }
+
+ // Bogus comment state
+ //------------------------------------------------------------------
+ [BOGUS_COMMENT_STATE](cp) {
+ if (cp === $.GREATER_THAN_SIGN) {
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.data += unicode.REPLACEMENT_CHARACTER;
+ } else {
+ this.currentToken.data += toChar(cp);
+ }
+ }
+
+ // Markup declaration open state
+ //------------------------------------------------------------------
+ [MARKUP_DECLARATION_OPEN_STATE](cp) {
+ if (this._consumeSequenceIfMatch($$.DASH_DASH_STRING, cp, true)) {
+ this._createCommentToken();
+ this.state = COMMENT_START_STATE;
+ } else if (this._consumeSequenceIfMatch($$.DOCTYPE_STRING, cp, false)) {
+ this.state = DOCTYPE_STATE;
+ } else if (this._consumeSequenceIfMatch($$.CDATA_START_STRING, cp, true)) {
+ if (this.allowCDATA) {
+ this.state = CDATA_SECTION_STATE;
+ } else {
+ this._err(ERR.cdataInHtmlContent);
+ this._createCommentToken();
+ this.currentToken.data = '[CDATA[';
+ this.state = BOGUS_COMMENT_STATE;
+ }
+ }
+
+ //NOTE: sequence lookup can be abrupted by hibernation. In that case lookup
+ //results are no longer valid and we will need to start over.
+ else if (!this._ensureHibernation()) {
+ this._err(ERR.incorrectlyOpenedComment);
+ this._createCommentToken();
+ this._reconsumeInState(BOGUS_COMMENT_STATE);
+ }
+ }
+
+ // Comment start state
+ //------------------------------------------------------------------
+ [COMMENT_START_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_START_DASH_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptClosingOfEmptyComment);
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else {
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment start dash state
+ //------------------------------------------------------------------
+ [COMMENT_START_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_END_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptClosingOfEmptyComment);
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInComment);
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.data += '-';
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment state
+ //------------------------------------------------------------------
+ [COMMENT_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_END_DASH_STATE;
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.currentToken.data += '<';
+ this.state = COMMENT_LESS_THAN_SIGN_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.data += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInComment);
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.data += toChar(cp);
+ }
+ }
+
+ // Comment less-than sign state
+ //------------------------------------------------------------------
+ [COMMENT_LESS_THAN_SIGN_STATE](cp) {
+ if (cp === $.EXCLAMATION_MARK) {
+ this.currentToken.data += '!';
+ this.state = COMMENT_LESS_THAN_SIGN_BANG_STATE;
+ } else if (cp === $.LESS_THAN_SIGN) {
+ this.currentToken.data += '!';
+ } else {
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment less-than sign bang state
+ //------------------------------------------------------------------
+ [COMMENT_LESS_THAN_SIGN_BANG_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE;
+ } else {
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment less-than sign bang dash state
+ //------------------------------------------------------------------
+ [COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE;
+ } else {
+ this._reconsumeInState(COMMENT_END_DASH_STATE);
+ }
+ }
+
+ // Comment less-than sign bang dash dash state
+ //------------------------------------------------------------------
+ [COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE](cp) {
+ if (cp !== $.GREATER_THAN_SIGN && cp !== $.EOF) {
+ this._err(ERR.nestedComment);
+ }
+
+ this._reconsumeInState(COMMENT_END_STATE);
+ }
+
+ // Comment end dash state
+ //------------------------------------------------------------------
+ [COMMENT_END_DASH_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.state = COMMENT_END_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInComment);
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.data += '-';
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment end state
+ //------------------------------------------------------------------
+ [COMMENT_END_STATE](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 === $.EOF) {
+ this._err(ERR.eofInComment);
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.data += '--';
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // Comment end bang state
+ //------------------------------------------------------------------
+ [COMMENT_END_BANG_STATE](cp) {
+ if (cp === $.HYPHEN_MINUS) {
+ this.currentToken.data += '--!';
+ this.state = COMMENT_END_DASH_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.incorrectlyClosedComment);
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInComment);
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.data += '--!';
+ this._reconsumeInState(COMMENT_STATE);
+ }
+ }
+
+ // DOCTYPE state
+ //------------------------------------------------------------------
+ [DOCTYPE_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this.state = BEFORE_DOCTYPE_NAME_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._reconsumeInState(BEFORE_DOCTYPE_NAME_STATE);
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this._createDoctypeToken(null);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingWhitespaceBeforeDoctypeName);
+ this._reconsumeInState(BEFORE_DOCTYPE_NAME_STATE);
+ }
+ }
+
+ // Before DOCTYPE name state
+ //------------------------------------------------------------------
+ [BEFORE_DOCTYPE_NAME_STATE](cp) {
+ if (isWhitespace(cp)) {
+ return;
+ }
+
+ if (isAsciiUpper(cp)) {
+ this._createDoctypeToken(toAsciiLowerChar(cp));
+ this.state = DOCTYPE_NAME_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this._createDoctypeToken(unicode.REPLACEMENT_CHARACTER);
+ this.state = DOCTYPE_NAME_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.missingDoctypeName);
+ this._createDoctypeToken(null);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this._createDoctypeToken(null);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._createDoctypeToken(toChar(cp));
+ this.state = DOCTYPE_NAME_STATE;
+ }
+ }
+
+ // DOCTYPE name state
+ //------------------------------------------------------------------
+ [DOCTYPE_NAME_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this.state = AFTER_DOCTYPE_NAME_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (isAsciiUpper(cp)) {
+ this.currentToken.name += toAsciiLowerChar(cp);
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.name += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.name += toChar(cp);
+ }
+ }
+
+ // After DOCTYPE name state
+ //------------------------------------------------------------------
+ [AFTER_DOCTYPE_NAME_STATE](cp) {
+ if (isWhitespace(cp)) {
+ return;
+ }
+
+ if (cp === $.GREATER_THAN_SIGN) {
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else if (this._consumeSequenceIfMatch($$.PUBLIC_STRING, cp, false)) {
+ this.state = AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE;
+ } else if (this._consumeSequenceIfMatch($$.SYSTEM_STRING, cp, false)) {
+ this.state = AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE;
+ }
+ //NOTE: sequence lookup can be abrupted by hibernation. In that case lookup
+ //results are no longer valid and we will need to start over.
+ else if (!this._ensureHibernation()) {
+ this._err(ERR.invalidCharacterSequenceAfterDoctypeName);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // After DOCTYPE public keyword state
+ //------------------------------------------------------------------
+ [AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this.state = BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE;
+ } else if (cp === $.QUOTATION_MARK) {
+ this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
+ this.currentToken.publicId = '';
+ this.state = DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE;
+ } else if (cp === $.APOSTROPHE) {
+ this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
+ this.currentToken.publicId = '';
+ this.state = DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.missingDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // Before DOCTYPE public identifier state
+ //------------------------------------------------------------------
+ [BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE](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._err(ERR.missingDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // DOCTYPE public identifier (double-quoted) state
+ //------------------------------------------------------------------
+ [DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE](cp) {
+ if (cp === $.QUOTATION_MARK) {
+ this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.publicId += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.publicId += toChar(cp);
+ }
+ }
+
+ // DOCTYPE public identifier (single-quoted) state
+ //------------------------------------------------------------------
+ [DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE](cp) {
+ if (cp === $.APOSTROPHE) {
+ this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.publicId += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptDoctypePublicIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.publicId += toChar(cp);
+ }
+ }
+
+ // After DOCTYPE public identifier state
+ //------------------------------------------------------------------
+ [AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this.state = BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.QUOTATION_MARK) {
+ this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
+ this.currentToken.systemId = '';
+ this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;
+ } else if (cp === $.APOSTROPHE) {
+ this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
+ this.currentToken.systemId = '';
+ this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // Between DOCTYPE public and system identifiers state
+ //------------------------------------------------------------------
+ [BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE](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._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // After DOCTYPE system keyword state
+ //------------------------------------------------------------------
+ [AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE](cp) {
+ if (isWhitespace(cp)) {
+ this.state = BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE;
+ } else if (cp === $.QUOTATION_MARK) {
+ this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
+ this.currentToken.systemId = '';
+ this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;
+ } else if (cp === $.APOSTROPHE) {
+ this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
+ this.currentToken.systemId = '';
+ this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.missingDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // Before DOCTYPE system identifier state
+ //------------------------------------------------------------------
+ [BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE](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._err(ERR.missingDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this.state = DATA_STATE;
+ this._emitCurrentToken();
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // DOCTYPE system identifier (double-quoted) state
+ //------------------------------------------------------------------
+ [DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE](cp) {
+ if (cp === $.QUOTATION_MARK) {
+ this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.systemId += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.systemId += toChar(cp);
+ }
+ }
+
+ // DOCTYPE system identifier (single-quoted) state
+ //------------------------------------------------------------------
+ [DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE](cp) {
+ if (cp === $.APOSTROPHE) {
+ this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ this.currentToken.systemId += unicode.REPLACEMENT_CHARACTER;
+ } else if (cp === $.GREATER_THAN_SIGN) {
+ this._err(ERR.abruptDoctypeSystemIdentifier);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this.currentToken.systemId += toChar(cp);
+ }
+ }
+
+ // After DOCTYPE system identifier state
+ //------------------------------------------------------------------
+ [AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE](cp) {
+ if (isWhitespace(cp)) {
+ return;
+ }
+
+ if (cp === $.GREATER_THAN_SIGN) {
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInDoctype);
+ this.currentToken.forceQuirks = true;
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ } else {
+ this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier);
+ this._reconsumeInState(BOGUS_DOCTYPE_STATE);
+ }
+ }
+
+ // Bogus DOCTYPE state
+ //------------------------------------------------------------------
+ [BOGUS_DOCTYPE_STATE](cp) {
+ if (cp === $.GREATER_THAN_SIGN) {
+ this._emitCurrentToken();
+ this.state = DATA_STATE;
+ } else if (cp === $.NULL) {
+ this._err(ERR.unexpectedNullCharacter);
+ } else if (cp === $.EOF) {
+ this._emitCurrentToken();
+ this._emitEOFToken();
+ }
+ }
+
+ // CDATA section state
+ //------------------------------------------------------------------
+ [CDATA_SECTION_STATE](cp) {
+ if (cp === $.RIGHT_SQUARE_BRACKET) {
+ this.state = CDATA_SECTION_BRACKET_STATE;
+ } else if (cp === $.EOF) {
+ this._err(ERR.eofInCdata);
+ this._emitEOFToken();
+ } else {
+ this._emitCodePoint(cp);
+ }
+ }
+
+ // CDATA section bracket state
+ //------------------------------------------------------------------
+ [CDATA_SECTION_BRACKET_STATE](cp) {
+ if (cp === $.RIGHT_SQUARE_BRACKET) {
+ this.state = CDATA_SECTION_END_STATE;
+ } else {
+ this._emitChars(']');
+ this._reconsumeInState(CDATA_SECTION_STATE);
+ }
+ }
+
+ // CDATA section end state
+ //------------------------------------------------------------------
+ [CDATA_SECTION_END_STATE](cp) {
+ if (cp === $.GREATER_THAN_SIGN) {
+ this.state = DATA_STATE;
+ } else if (cp === $.RIGHT_SQUARE_BRACKET) {
+ this._emitChars(']');
+ } else {
+ this._emitChars(']]');
+ this._reconsumeInState(CDATA_SECTION_STATE);
+ }
+ }
+
+ // Character reference state
+ //------------------------------------------------------------------
+ [CHARACTER_REFERENCE_STATE](cp) {
+ this.tempBuff = [$.AMPERSAND];
+
+ if (cp === $.NUMBER_SIGN) {
+ this.tempBuff.push(cp);
+ this.state = NUMERIC_CHARACTER_REFERENCE_STATE;
+ } else if (isAsciiAlphaNumeric(cp)) {
+ this._reconsumeInState(NAMED_CHARACTER_REFERENCE_STATE);
+ } else {
+ this._flushCodePointsConsumedAsCharacterReference();
+ this._reconsumeInState(this.returnState);
+ }
+ }
+
+ // Named character reference state
+ //------------------------------------------------------------------
+ [NAMED_CHARACTER_REFERENCE_STATE](cp) {
+ const matchResult = this._matchNamedCharacterReference(cp);
+
+ //NOTE: matching can be abrupted by hibernation. In that case match
+ //results are no longer valid and we will need to start over.
+ if (this._ensureHibernation()) {
+ this.tempBuff = [$.AMPERSAND];
+ } else if (matchResult) {
+ const withSemicolon = this.tempBuff[this.tempBuff.length - 1] === $.SEMICOLON;
+
+ if (!this._isCharacterReferenceAttributeQuirk(withSemicolon)) {
+ if (!withSemicolon) {
+ this._errOnNextCodePoint(ERR.missingSemicolonAfterCharacterReference);
+ }
+
+ this.tempBuff = matchResult;
+ }
+
+ this._flushCodePointsConsumedAsCharacterReference();
+ this.state = this.returnState;
+ } else {
+ this._flushCodePointsConsumedAsCharacterReference();
+ this.state = AMBIGUOUS_AMPERSAND_STATE;
+ }
+ }
+
+ // Ambiguos ampersand state
+ //------------------------------------------------------------------
+ [AMBIGUOUS_AMPERSAND_STATE](cp) {
+ if (isAsciiAlphaNumeric(cp)) {
+ if (this._isCharacterReferenceInAttribute()) {
+ this.currentAttr.value += toChar(cp);
+ } else {
+ this._emitCodePoint(cp);
+ }
+ } else {
+ if (cp === $.SEMICOLON) {
+ this._err(ERR.unknownNamedCharacterReference);
+ }
+
+ this._reconsumeInState(this.returnState);
+ }
+ }
+
+ // Numeric character reference state
+ //------------------------------------------------------------------
+ [NUMERIC_CHARACTER_REFERENCE_STATE](cp) {
+ this.charRefCode = 0;
+
+ if (cp === $.LATIN_SMALL_X || cp === $.LATIN_CAPITAL_X) {
+ this.tempBuff.push(cp);
+ this.state = HEXADEMICAL_CHARACTER_REFERENCE_START_STATE;
+ } else {
+ this._reconsumeInState(DECIMAL_CHARACTER_REFERENCE_START_STATE);
+ }
+ }
+
+ // Hexademical character reference start state
+ //------------------------------------------------------------------
+ [HEXADEMICAL_CHARACTER_REFERENCE_START_STATE](cp) {
+ if (isAsciiHexDigit(cp)) {
+ this._reconsumeInState(HEXADEMICAL_CHARACTER_REFERENCE_STATE);
+ } else {
+ this._err(ERR.absenceOfDigitsInNumericCharacterReference);
+ this._flushCodePointsConsumedAsCharacterReference();
+ this._reconsumeInState(this.returnState);
+ }
+ }
+
+ // Decimal character reference start state
+ //------------------------------------------------------------------
+ [DECIMAL_CHARACTER_REFERENCE_START_STATE](cp) {
+ if (isAsciiDigit(cp)) {
+ this._reconsumeInState(DECIMAL_CHARACTER_REFERENCE_STATE);
+ } else {
+ this._err(ERR.absenceOfDigitsInNumericCharacterReference);
+ this._flushCodePointsConsumedAsCharacterReference();
+ this._reconsumeInState(this.returnState);
+ }
+ }
+
+ // Hexademical character reference state
+ //------------------------------------------------------------------
+ [HEXADEMICAL_CHARACTER_REFERENCE_STATE](cp) {
+ if (isAsciiUpperHexDigit(cp)) {
+ this.charRefCode = this.charRefCode * 16 + cp - 0x37;
+ } else if (isAsciiLowerHexDigit(cp)) {
+ this.charRefCode = this.charRefCode * 16 + cp - 0x57;
+ } else if (isAsciiDigit(cp)) {
+ this.charRefCode = this.charRefCode * 16 + cp - 0x30;
+ } else if (cp === $.SEMICOLON) {
+ this.state = NUMERIC_CHARACTER_REFERENCE_END_STATE;
+ } else {
+ this._err(ERR.missingSemicolonAfterCharacterReference);
+ this._reconsumeInState(NUMERIC_CHARACTER_REFERENCE_END_STATE);
+ }
+ }
+
+ // Decimal character reference state
+ //------------------------------------------------------------------
+ [DECIMAL_CHARACTER_REFERENCE_STATE](cp) {
+ if (isAsciiDigit(cp)) {
+ this.charRefCode = this.charRefCode * 10 + cp - 0x30;
+ } else if (cp === $.SEMICOLON) {
+ this.state = NUMERIC_CHARACTER_REFERENCE_END_STATE;
+ } else {
+ this._err(ERR.missingSemicolonAfterCharacterReference);
+ this._reconsumeInState(NUMERIC_CHARACTER_REFERENCE_END_STATE);
+ }
+ }
+
+ // Numeric character reference end state
+ //------------------------------------------------------------------
+ [NUMERIC_CHARACTER_REFERENCE_END_STATE]() {
+ if (this.charRefCode === $.NULL) {
+ this._err(ERR.nullCharacterReference);
+ this.charRefCode = $.REPLACEMENT_CHARACTER;
+ } else if (this.charRefCode > 0x10ffff) {
+ this._err(ERR.characterReferenceOutsideUnicodeRange);
+ this.charRefCode = $.REPLACEMENT_CHARACTER;
+ } else if (unicode.isSurrogate(this.charRefCode)) {
+ this._err(ERR.surrogateCharacterReference);
+ this.charRefCode = $.REPLACEMENT_CHARACTER;
+ } else if (unicode.isUndefinedCodePoint(this.charRefCode)) {
+ this._err(ERR.noncharacterCharacterReference);
+ } else if (unicode.isControlCodePoint(this.charRefCode) || this.charRefCode === $.CARRIAGE_RETURN) {
+ this._err(ERR.controlCharacterReference);
+
+ const replacement = C1_CONTROLS_REFERENCE_REPLACEMENTS[this.charRefCode];
+
+ if (replacement) {
+ this.charRefCode = replacement;
+ }
+ }
+
+ this.tempBuff = [this.charRefCode];
+
+ this._flushCodePointsConsumedAsCharacterReference();
+ this._reconsumeInState(this.returnState);
+ }
+}
+
+//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.HIBERNATION_TOKEN = 'HIBERNATION_TOKEN';
+
+//Tokenizer initial states for different modes
+Tokenizer.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 (let i = token.attrs.length - 1; i >= 0; i--) {
+ if (token.attrs[i].name === attrName) {
+ return token.attrs[i].value;
+ }
+ }
+
+ return null;
+};
+
+module.exports = Tokenizer;
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