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setup-python/node_modules/parse5/lib/tokenizer/index.js
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00

2144 lines
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JavaScript
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'use strict';
var Preprocessor = require('./preprocessor'),
UNICODE = require('../common/unicode'),
neTree = require('./named_entity_data');
//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
};
// Named entity tree flags
var HAS_DATA_FLAG = 1 << 0;
var DATA_DUPLET_FLAG = 1 << 1;
var HAS_BRANCHES_FLAG = 1 << 2;
var MAX_BRANCH_MARKER_VALUE = HAS_DATA_FLAG | DATA_DUPLET_FLAG | HAS_BRANCHES_FLAG;
//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',
BOGUS_COMMENT_STATE_CONTINUATION = 'BOGUS_COMMENT_STATE_CONTINUATION',
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',
DOCTYPE_NAME_STATE = 'DOCTYPE_NAME_STATE',
AFTER_DOCTYPE_NAME_STATE = 'AFTER_DOCTYPE_NAME_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',
BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE = 'BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_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 isAsciiLetter(cp) {
return isAsciiLower(cp) || isAsciiUpper(cp);
}
function isAsciiAlphaNumeric(cp) {
return isAsciiLetter(cp) || isAsciiDigit(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));
}
function findNamedEntityTreeBranch(nodeIx, cp) {
var branchCount = neTree[++nodeIx],
lo = ++nodeIx,
hi = lo + branchCount - 1;
while (lo <= hi) {
var mid = lo + hi >>> 1,
midCp = neTree[mid];
if (midCp < cp)
lo = mid + 1;
else if (midCp > cp)
hi = mid - 1;
else
return neTree[mid + branchCount];
}
return -1;
}
//Tokenizer
var Tokenizer = module.exports = function () {
this.preprocessor = new Preprocessor();
this.tokenQueue = [];
this.allowCDATA = false;
this.state = DATA_STATE;
this.returnState = '';
this.tempBuff = [];
this.additionalAllowedCp = void 0;
this.lastStartTagName = '';
this.consumedAfterSnapshot = -1;
this.active = false;
this.currentCharacterToken = null;
this.currentToken = null;
this.currentAttr = null;
};
//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 (var i = token.attrs.length - 1; i >= 0; i--) {
if (token.attrs[i].name === attrName)
return token.attrs[i].value;
}
return null;
};
//API
Tokenizer.prototype.getNextToken = function () {
while (!this.tokenQueue.length && this.active) {
this._hibernationSnapshot();
var cp = this._consume();
if (!this._ensureHibernation())
this[this.state](cp);
}
return this.tokenQueue.shift();
};
Tokenizer.prototype.write = function (chunk, isLastChunk) {
this.active = true;
this.preprocessor.write(chunk, isLastChunk);
};
Tokenizer.prototype.insertHtmlAtCurrentPos = function (chunk) {
this.active = true;
this.preprocessor.insertHtmlAtCurrentPos(chunk);
};
//Hibernation
Tokenizer.prototype._hibernationSnapshot = function () {
this.consumedAfterSnapshot = 0;
};
Tokenizer.prototype._ensureHibernation = function () {
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
Tokenizer.prototype._consume = function () {
this.consumedAfterSnapshot++;
return this.preprocessor.advance();
};
Tokenizer.prototype._unconsume = function () {
this.consumedAfterSnapshot--;
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 consumedCount = 0,
isMatch = true,
patternLength = pattern.length,
patternPos = 0,
cp = startCp,
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)
this._unconsumeSeveral(consumedCount);
return isMatch;
};
//Lookahead
Tokenizer.prototype._lookahead = function () {
var cp = this._consume();
this._unconsume();
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._createStartTagToken = function () {
this.currentToken = {
type: Tokenizer.START_TAG_TOKEN,
tagName: '',
selfClosing: false,
attrs: []
};
};
Tokenizer.prototype._createEndTagToken = function () {
this.currentToken = {
type: Tokenizer.END_TAG_TOKEN,
tagName: '',
attrs: []
};
};
Tokenizer.prototype._createCommentToken = function () {
this.currentToken = {
type: Tokenizer.COMMENT_TOKEN,
data: ''
};
};
Tokenizer.prototype._createDoctypeToken = function (initialName) {
this.currentToken = {
type: Tokenizer.DOCTYPE_TOKEN,
name: initialName,
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);
};
Tokenizer.prototype._leaveAttrValue = function (toState) {
this.state = toState;
};
//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;
};
// NOTE: for the details on this algorithm see
// https://github.com/inikulin/parse5/tree/master/scripts/generate_named_entity_data/README.md
Tokenizer.prototype._consumeNamedEntity = function (inAttr) {
var referencedCodePoints = null,
referenceSize = 0,
cp = null,
consumedCount = 0,
semicolonTerminated = false;
for (var i = 0; i > -1;) {
var current = neTree[i],
inNode = current < MAX_BRANCH_MARKER_VALUE,
nodeWithData = inNode && current & HAS_DATA_FLAG;
if (nodeWithData) {
referencedCodePoints = current & DATA_DUPLET_FLAG ? [neTree[++i], neTree[++i]] : [neTree[++i]];
referenceSize = consumedCount;
if (cp === $.SEMICOLON) {
semicolonTerminated = true;
break;
}
}
cp = this._consume();
consumedCount++;
if (cp === $.EOF)
break;
if (inNode)
i = current & HAS_BRANCHES_FLAG ? findNamedEntityTreeBranch(i, cp) : -1;
else
i = cp === current ? ++i : -1;
}
if (referencedCodePoints) {
if (!semicolonTerminated) {
//NOTE: unconsume excess (e.g. 'it' in '&notit')
this._unconsumeSeveral(consumedCount - referenceSize);
//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(referenceSize);
return null;
}
}
}
return referencedCodePoints;
}
this._unconsumeSeveral(consumedCount);
return null;
};
Tokenizer.prototype._consumeCharacterReference = function (startCp, inAttr) {
if (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;
}
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)];
//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;
}
this._unconsume();
return this._consumeNamedEntity(inAttr);
};
//State machine
var _ = Tokenizer.prototype;
//12.2.4.1 Data state
//------------------------------------------------------------------
_[DATA_STATE] = function dataState(cp) {
this.preprocessor.dropParsedChunk();
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.additionalAllowedCp = void 0;
var referencedCodePoints = this._consumeCharacterReference(cp, false);
if (!this._ensureHibernation()) {
if (referencedCodePoints)
this._emitSeveralCodePoints(referencedCodePoints);
else
this._emitChar('&');
this.state = DATA_STATE;
}
};
//12.2.4.3 RCDATA state
//------------------------------------------------------------------
_[RCDATA_STATE] = function rcdataState(cp) {
this.preprocessor.dropParsedChunk();
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.additionalAllowedCp = void 0;
var referencedCodePoints = this._consumeCharacterReference(cp, false);
if (!this._ensureHibernation()) {
if (referencedCodePoints)
this._emitSeveralCodePoints(referencedCodePoints);
else
this._emitChar('&');
this.state = RCDATA_STATE;
}
};
//12.2.4.5 RAWTEXT state
//------------------------------------------------------------------
_[RAWTEXT_STATE] = function rawtextState(cp) {
this.preprocessor.dropParsedChunk();
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) {
this.preprocessor.dropParsedChunk();
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) {
this.preprocessor.dropParsedChunk();
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 (isAsciiLetter(cp)) {
this._createStartTagToken();
this._reconsumeInState(TAG_NAME_STATE);
}
else if (cp === $.QUESTION_MARK)
this._reconsumeInState(BOGUS_COMMENT_STATE);
else {
this._emitChar('<');
this._reconsumeInState(DATA_STATE);
}
};
//12.2.4.9 End tag open state
//------------------------------------------------------------------
_[END_TAG_OPEN_STATE] = function endTagOpenState(cp) {
if (isAsciiLetter(cp)) {
this._createEndTagToken();
this._reconsumeInState(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
this._reconsumeInState(BOGUS_COMMENT_STATE);
};
//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 (isAsciiLetter(cp)) {
this._createEndTagToken();
this._reconsumeInState(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 (isAsciiLetter(cp)) {
this._createEndTagToken();
this._reconsumeInState(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 (isAsciiLetter(cp)) {
this._createEndTagToken();
this._reconsumeInState(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 (isAsciiLetter(cp)) {
this.tempBuff = [];
this._emitChar('<');
this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE);
}
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 (isAsciiLetter(cp)) {
this._createEndTagToken();
this._reconsumeInState(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 || cp === $.GREATER_THAN_SIGN || cp === $.EOF)
this._reconsumeInState(AFTER_ATTRIBUTE_NAME_STATE);
else if (cp === $.EQUALS_SIGN) {
this._createAttr('=');
this.state = ATTRIBUTE_NAME_STATE;
}
else {
this._createAttr('');
this._reconsumeInState(ATTRIBUTE_NAME_STATE);
}
};
//12.2.4.35 Attribute name state
//------------------------------------------------------------------
_[ATTRIBUTE_NAME_STATE] = function attributeNameState(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.currentAttr.name += toChar(cp);
else if (cp === $.NULL)
this.currentAttr.name += UNICODE.REPLACEMENT_CHARACTER;
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 (cp === $.EOF)
this._reconsumeInState(DATA_STATE);
else {
this._createAttr('');
this._reconsumeInState(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 === $.APOSTROPHE)
this.state = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE;
else
this._reconsumeInState(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._leaveAttrValue(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._leaveAttrValue(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 (!this._ensureHibernation()) {
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._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._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() {
this._createCommentToken();
this._reconsumeInState(BOGUS_COMMENT_STATE_CONTINUATION);
};
//HACK: to support streaming and make BOGUS_COMMENT_STATE reentrant we've
//introduced BOGUS_COMMENT_STATE_CONTINUATION state which will not produce
//comment token on each call.
_[BOGUS_COMMENT_STATE_CONTINUATION] = function bogusCommentStateContinuation(cp) {
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);
this._hibernationSnapshot();
cp = this._consume();
if (this._ensureHibernation())
return;
}
}
this._emitCurrentToken();
};
//12.2.4.45 Markup declaration open state
//------------------------------------------------------------------
_[MARKUP_DECLARATION_OPEN_STATE] = function markupDeclarationOpenState(cp) {
var dashDashMatch = this._consumeSubsequentIfMatch($$.DASH_DASH_STRING, cp, true),
doctypeMatch = !dashDashMatch && this._consumeSubsequentIfMatch($$.DOCTYPE_STRING, cp, false),
cdataMatch = !dashDashMatch && !doctypeMatch &&
this.allowCDATA &&
this._consumeSubsequentIfMatch($$.CDATA_START_STRING, cp, true);
if (!this._ensureHibernation()) {
if (dashDashMatch) {
this._createCommentToken();
this.state = COMMENT_START_STATE;
}
else if (doctypeMatch)
this.state = DOCTYPE_STATE;
else if (cdataMatch)
this.state = CDATA_SECTION_STATE;
else
this._reconsumeInState(BOGUS_COMMENT_STATE);
}
};
//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))
return;
else if (cp === $.GREATER_THAN_SIGN) {
this._createDoctypeToken(null);
this.currentToken.forceQuirks = true;
this._emitCurrentToken();
this.state = DATA_STATE;
}
else if (cp === $.EOF) {
this._createDoctypeToken(null);
this.currentToken.forceQuirks = true;
this._emitCurrentToken();
this._reconsumeInState(DATA_STATE);
}
else {
this._createDoctypeToken('');
this._reconsumeInState(DOCTYPE_NAME_STATE);
}
};
//12.2.4.54 DOCTYPE name state
//------------------------------------------------------------------
_[DOCTYPE_NAME_STATE] = function doctypeNameState(cp) {
if (isWhitespace(cp) || cp === $.GREATER_THAN_SIGN || cp === $.EOF)
this._reconsumeInState(AFTER_DOCTYPE_NAME_STATE);
else if (isAsciiUpper(cp))
this.currentToken.name += toAsciiLowerChar(cp);
else if (cp === $.NULL)
this.currentToken.name += UNICODE.REPLACEMENT_CHARACTER;
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 {
var publicMatch = this._consumeSubsequentIfMatch($$.PUBLIC_STRING, cp, false),
systemMatch = !publicMatch && this._consumeSubsequentIfMatch($$.SYSTEM_STRING, cp, false);
if (!this._ensureHibernation()) {
if (publicMatch)
this.state = BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE;
else if (systemMatch)
this.state = BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_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 {
this.currentToken.forceQuirks = true;
this._reconsumeInState(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 = BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_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 = BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_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);
};
//12.2.4.61 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 {
this.currentToken.forceQuirks = true;
this._reconsumeInState(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 {
this.currentToken.forceQuirks = true;
this._reconsumeInState(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 {
var cdataEndMatch = this._consumeSubsequentIfMatch($$.CDATA_END_STRING, cp, true);
if (this._ensureHibernation())
break;
if (cdataEndMatch) {
this.state = DATA_STATE;
break;
}
this._emitCodePoint(cp);
this._hibernationSnapshot();
cp = this._consume();
if (this._ensureHibernation())
break;
}
}
};
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