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IOTConnect-Web/node_modules/vite/dist/node/chunks/dep-kjUoH5nk.js

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Initial commit
2024-05-09 01:49:52 +00:00
import { fileURLToPath as __cjs_fileURLToPath } from 'node:url';
import { dirname as __cjs_dirname } from 'node:path';
import { createRequire as __cjs_createRequire } from 'node:module';
const __filename = __cjs_fileURLToPath(import.meta.url);
const __dirname = __cjs_dirname(__filename);
const require = __cjs_createRequire(import.meta.url);
const __require = require;
const UNDEFINED_CODE_POINTS = new Set([
65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214,
393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894,
720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574,
1048575, 1114110, 1114111,
]);
const REPLACEMENT_CHARACTER = '\uFFFD';
var CODE_POINTS;
(function (CODE_POINTS) {
CODE_POINTS[CODE_POINTS["EOF"] = -1] = "EOF";
CODE_POINTS[CODE_POINTS["NULL"] = 0] = "NULL";
CODE_POINTS[CODE_POINTS["TABULATION"] = 9] = "TABULATION";
CODE_POINTS[CODE_POINTS["CARRIAGE_RETURN"] = 13] = "CARRIAGE_RETURN";
CODE_POINTS[CODE_POINTS["LINE_FEED"] = 10] = "LINE_FEED";
CODE_POINTS[CODE_POINTS["FORM_FEED"] = 12] = "FORM_FEED";
CODE_POINTS[CODE_POINTS["SPACE"] = 32] = "SPACE";
CODE_POINTS[CODE_POINTS["EXCLAMATION_MARK"] = 33] = "EXCLAMATION_MARK";
CODE_POINTS[CODE_POINTS["QUOTATION_MARK"] = 34] = "QUOTATION_MARK";
CODE_POINTS[CODE_POINTS["NUMBER_SIGN"] = 35] = "NUMBER_SIGN";
CODE_POINTS[CODE_POINTS["AMPERSAND"] = 38] = "AMPERSAND";
CODE_POINTS[CODE_POINTS["APOSTROPHE"] = 39] = "APOSTROPHE";
CODE_POINTS[CODE_POINTS["HYPHEN_MINUS"] = 45] = "HYPHEN_MINUS";
CODE_POINTS[CODE_POINTS["SOLIDUS"] = 47] = "SOLIDUS";
CODE_POINTS[CODE_POINTS["DIGIT_0"] = 48] = "DIGIT_0";
CODE_POINTS[CODE_POINTS["DIGIT_9"] = 57] = "DIGIT_9";
CODE_POINTS[CODE_POINTS["SEMICOLON"] = 59] = "SEMICOLON";
CODE_POINTS[CODE_POINTS["LESS_THAN_SIGN"] = 60] = "LESS_THAN_SIGN";
CODE_POINTS[CODE_POINTS["EQUALS_SIGN"] = 61] = "EQUALS_SIGN";
CODE_POINTS[CODE_POINTS["GREATER_THAN_SIGN"] = 62] = "GREATER_THAN_SIGN";
CODE_POINTS[CODE_POINTS["QUESTION_MARK"] = 63] = "QUESTION_MARK";
CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_A"] = 65] = "LATIN_CAPITAL_A";
CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_F"] = 70] = "LATIN_CAPITAL_F";
CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_X"] = 88] = "LATIN_CAPITAL_X";
CODE_POINTS[CODE_POINTS["LATIN_CAPITAL_Z"] = 90] = "LATIN_CAPITAL_Z";
CODE_POINTS[CODE_POINTS["RIGHT_SQUARE_BRACKET"] = 93] = "RIGHT_SQUARE_BRACKET";
CODE_POINTS[CODE_POINTS["GRAVE_ACCENT"] = 96] = "GRAVE_ACCENT";
CODE_POINTS[CODE_POINTS["LATIN_SMALL_A"] = 97] = "LATIN_SMALL_A";
CODE_POINTS[CODE_POINTS["LATIN_SMALL_F"] = 102] = "LATIN_SMALL_F";
CODE_POINTS[CODE_POINTS["LATIN_SMALL_X"] = 120] = "LATIN_SMALL_X";
CODE_POINTS[CODE_POINTS["LATIN_SMALL_Z"] = 122] = "LATIN_SMALL_Z";
CODE_POINTS[CODE_POINTS["REPLACEMENT_CHARACTER"] = 65533] = "REPLACEMENT_CHARACTER";
})(CODE_POINTS = CODE_POINTS || (CODE_POINTS = {}));
const SEQUENCES = {
DASH_DASH: '--',
CDATA_START: '[CDATA[',
DOCTYPE: 'doctype',
SCRIPT: 'script',
PUBLIC: 'public',
SYSTEM: 'system',
};
//Surrogates
function isSurrogate(cp) {
return cp >= 55296 && cp <= 57343;
}
function isSurrogatePair(cp) {
return cp >= 56320 && cp <= 57343;
}
function getSurrogatePairCodePoint(cp1, cp2) {
return (cp1 - 55296) * 1024 + 9216 + cp2;
}
//NOTE: excluding NULL and ASCII whitespace
function isControlCodePoint(cp) {
return ((cp !== 0x20 && cp !== 0x0a && cp !== 0x0d && cp !== 0x09 && cp !== 0x0c && cp >= 0x01 && cp <= 0x1f) ||
(cp >= 0x7f && cp <= 0x9f));
}
function isUndefinedCodePoint(cp) {
return (cp >= 64976 && cp <= 65007) || UNDEFINED_CODE_POINTS.has(cp);
}
var ERR;
(function (ERR) {
ERR["controlCharacterInInputStream"] = "control-character-in-input-stream";
ERR["noncharacterInInputStream"] = "noncharacter-in-input-stream";
ERR["surrogateInInputStream"] = "surrogate-in-input-stream";
ERR["nonVoidHtmlElementStartTagWithTrailingSolidus"] = "non-void-html-element-start-tag-with-trailing-solidus";
ERR["endTagWithAttributes"] = "end-tag-with-attributes";
ERR["endTagWithTrailingSolidus"] = "end-tag-with-trailing-solidus";
ERR["unexpectedSolidusInTag"] = "unexpected-solidus-in-tag";
ERR["unexpectedNullCharacter"] = "unexpected-null-character";
ERR["unexpectedQuestionMarkInsteadOfTagName"] = "unexpected-question-mark-instead-of-tag-name";
ERR["invalidFirstCharacterOfTagName"] = "invalid-first-character-of-tag-name";
ERR["unexpectedEqualsSignBeforeAttributeName"] = "unexpected-equals-sign-before-attribute-name";
ERR["missingEndTagName"] = "missing-end-tag-name";
ERR["unexpectedCharacterInAttributeName"] = "unexpected-character-in-attribute-name";
ERR["unknownNamedCharacterReference"] = "unknown-named-character-reference";
ERR["missingSemicolonAfterCharacterReference"] = "missing-semicolon-after-character-reference";
ERR["unexpectedCharacterAfterDoctypeSystemIdentifier"] = "unexpected-character-after-doctype-system-identifier";
ERR["unexpectedCharacterInUnquotedAttributeValue"] = "unexpected-character-in-unquoted-attribute-value";
ERR["eofBeforeTagName"] = "eof-before-tag-name";
ERR["eofInTag"] = "eof-in-tag";
ERR["missingAttributeValue"] = "missing-attribute-value";
ERR["missingWhitespaceBetweenAttributes"] = "missing-whitespace-between-attributes";
ERR["missingWhitespaceAfterDoctypePublicKeyword"] = "missing-whitespace-after-doctype-public-keyword";
ERR["missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers"] = "missing-whitespace-between-doctype-public-and-system-identifiers";
ERR["missingWhitespaceAfterDoctypeSystemKeyword"] = "missing-whitespace-after-doctype-system-keyword";
ERR["missingQuoteBeforeDoctypePublicIdentifier"] = "missing-quote-before-doctype-public-identifier";
ERR["missingQuoteBeforeDoctypeSystemIdentifier"] = "missing-quote-before-doctype-system-identifier";
ERR["missingDoctypePublicIdentifier"] = "missing-doctype-public-identifier";
ERR["missingDoctypeSystemIdentifier"] = "missing-doctype-system-identifier";
ERR["abruptDoctypePublicIdentifier"] = "abrupt-doctype-public-identifier";
ERR["abruptDoctypeSystemIdentifier"] = "abrupt-doctype-system-identifier";
ERR["cdataInHtmlContent"] = "cdata-in-html-content";
ERR["incorrectlyOpenedComment"] = "incorrectly-opened-comment";
ERR["eofInScriptHtmlCommentLikeText"] = "eof-in-script-html-comment-like-text";
ERR["eofInDoctype"] = "eof-in-doctype";
ERR["nestedComment"] = "nested-comment";
ERR["abruptClosingOfEmptyComment"] = "abrupt-closing-of-empty-comment";
ERR["eofInComment"] = "eof-in-comment";
ERR["incorrectlyClosedComment"] = "incorrectly-closed-comment";
ERR["eofInCdata"] = "eof-in-cdata";
ERR["absenceOfDigitsInNumericCharacterReference"] = "absence-of-digits-in-numeric-character-reference";
ERR["nullCharacterReference"] = "null-character-reference";
ERR["surrogateCharacterReference"] = "surrogate-character-reference";
ERR["characterReferenceOutsideUnicodeRange"] = "character-reference-outside-unicode-range";
ERR["controlCharacterReference"] = "control-character-reference";
ERR["noncharacterCharacterReference"] = "noncharacter-character-reference";
ERR["missingWhitespaceBeforeDoctypeName"] = "missing-whitespace-before-doctype-name";
ERR["missingDoctypeName"] = "missing-doctype-name";
ERR["invalidCharacterSequenceAfterDoctypeName"] = "invalid-character-sequence-after-doctype-name";
ERR["duplicateAttribute"] = "duplicate-attribute";
ERR["nonConformingDoctype"] = "non-conforming-doctype";
ERR["missingDoctype"] = "missing-doctype";
ERR["misplacedDoctype"] = "misplaced-doctype";
ERR["endTagWithoutMatchingOpenElement"] = "end-tag-without-matching-open-element";
ERR["closingOfElementWithOpenChildElements"] = "closing-of-element-with-open-child-elements";
ERR["disallowedContentInNoscriptInHead"] = "disallowed-content-in-noscript-in-head";
ERR["openElementsLeftAfterEof"] = "open-elements-left-after-eof";
ERR["abandonedHeadElementChild"] = "abandoned-head-element-child";
ERR["misplacedStartTagForHeadElement"] = "misplaced-start-tag-for-head-element";
ERR["nestedNoscriptInHead"] = "nested-noscript-in-head";
ERR["eofInElementThatCanContainOnlyText"] = "eof-in-element-that-can-contain-only-text";
})(ERR = ERR || (ERR = {}));
//Const
const DEFAULT_BUFFER_WATERLINE = 1 << 16;
//Preprocessor
//NOTE: HTML input preprocessing
//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#preprocessing-the-input-stream)
class Preprocessor {
constructor(handler) {
this.handler = handler;
this.html = '';
this.pos = -1;
// NOTE: Initial `lastGapPos` is -2, to ensure `col` on initialisation is 0
this.lastGapPos = -2;
this.gapStack = [];
this.skipNextNewLine = false;
this.lastChunkWritten = false;
this.endOfChunkHit = false;
this.bufferWaterline = DEFAULT_BUFFER_WATERLINE;
this.isEol = false;
this.lineStartPos = 0;
this.droppedBufferSize = 0;
this.line = 1;
//NOTE: avoid reporting errors twice on advance/retreat
this.lastErrOffset = -1;
}
/** The column on the current line. If we just saw a gap (eg. a surrogate pair), return the index before. */
get col() {
return this.pos - this.lineStartPos + Number(this.lastGapPos !== this.pos);
}
get offset() {
return this.droppedBufferSize + this.pos;
}
getError(code) {
const { line, col, offset } = this;
return {
code,
startLine: line,
endLine: line,
startCol: col,
endCol: col,
startOffset: offset,
endOffset: offset,
};
}
_err(code) {
if (this.handler.onParseError && this.lastErrOffset !== this.offset) {
this.lastErrOffset = this.offset;
this.handler.onParseError(this.getError(code));
}
}
_addGap() {
this.gapStack.push(this.lastGapPos);
this.lastGapPos = this.pos;
}
_processSurrogate(cp) {
//NOTE: try to peek a surrogate pair
if (this.pos !== this.html.length - 1) {
const nextCp = this.html.charCodeAt(this.pos + 1);
if (isSurrogatePair(nextCp)) {
//NOTE: we have a surrogate pair. Peek pair character and recalculate code point.
this.pos++;
//NOTE: add a gap that should be avoided during retreat
this._addGap();
return getSurrogatePairCodePoint(cp, nextCp);
}
}
//NOTE: we are at the end of a chunk, therefore we can't infer the surrogate pair yet.
else if (!this.lastChunkWritten) {
this.endOfChunkHit = true;
return CODE_POINTS.EOF;
}
//NOTE: isolated surrogate
this._err(ERR.surrogateInInputStream);
return cp;
}
willDropParsedChunk() {
return this.pos > this.bufferWaterline;
}
dropParsedChunk() {
if (this.willDropParsedChunk()) {
this.html = this.html.substring(this.pos);
this.lineStartPos -= this.pos;
this.droppedBufferSize += this.pos;
this.pos = 0;
this.lastGapPos = -2;
this.gapStack.length = 0;
}
}
write(chunk, isLastChunk) {
if (this.html.length > 0) {
this.html += chunk;
}
else {
this.html = chunk;
}
this.endOfChunkHit = false;
this.lastChunkWritten = isLastChunk;
}
insertHtmlAtCurrentPos(chunk) {
this.html = this.html.substring(0, this.pos + 1) + chunk + this.html.substring(this.pos + 1);
this.endOfChunkHit = false;
}
startsWith(pattern, caseSensitive) {
// Check if our buffer has enough characters
if (this.pos + pattern.length > this.html.length) {
this.endOfChunkHit = !this.lastChunkWritten;
return false;
}
if (caseSensitive) {
return this.html.startsWith(pattern, this.pos);
}
for (let i = 0; i < pattern.length; i++) {
const cp = this.html.charCodeAt(this.pos + i) | 0x20;
if (cp !== pattern.charCodeAt(i)) {
return false;
}
}
return true;
}
peek(offset) {
const pos = this.pos + offset;
if (pos >= this.html.length) {
this.endOfChunkHit = !this.lastChunkWritten;
return CODE_POINTS.EOF;
}
const code = this.html.charCodeAt(pos);
return code === CODE_POINTS.CARRIAGE_RETURN ? CODE_POINTS.LINE_FEED : code;
}
advance() {
this.pos++;
//NOTE: LF should be in the last column of the line
if (this.isEol) {
this.isEol = false;
this.line++;
this.lineStartPos = this.pos;
}
if (this.pos >= this.html.length) {
this.endOfChunkHit = !this.lastChunkWritten;
return CODE_POINTS.EOF;
}
let cp = this.html.charCodeAt(this.pos);
//NOTE: all U+000D CARRIAGE RETURN (CR) characters must be converted to U+000A LINE FEED (LF) characters
if (cp === CODE_POINTS.CARRIAGE_RETURN) {
this.isEol = true;
this.skipNextNewLine = true;
return CODE_POINTS.LINE_FEED;
}
//NOTE: any U+000A LINE FEED (LF) characters that immediately follow a U+000D CARRIAGE RETURN (CR) character
//must be ignored.
if (cp === CODE_POINTS.LINE_FEED) {
this.isEol = true;
if (this.skipNextNewLine) {
// `line` will be bumped again in the recursive call.
this.line--;
this.skipNextNewLine = false;
this._addGap();
return this.advance();
}
}
this.skipNextNewLine = false;
if (isSurrogate(cp)) {
cp = this._processSurrogate(cp);
}
//OPTIMIZATION: first check if code point is in the common allowed
//range (ASCII alphanumeric, whitespaces, big chunk of BMP)
//before going into detailed performance cost validation.
const isCommonValidRange = this.handler.onParseError === null ||
(cp > 0x1f && cp < 0x7f) ||
cp === CODE_POINTS.LINE_FEED ||
cp === CODE_POINTS.CARRIAGE_RETURN ||
(cp > 0x9f && cp < 64976);
if (!isCommonValidRange) {
this._checkForProblematicCharacters(cp);
}
return cp;
}
_checkForProblematicCharacters(cp) {
if (isControlCodePoint(cp)) {
this._err(ERR.controlCharacterInInputStream);
}
else if (isUndefinedCodePoint(cp)) {
this._err(ERR.noncharacterInInputStream);
}
}
retreat(count) {
this.pos -= count;
while (this.pos < this.lastGapPos) {
this.lastGapPos = this.gapStack.pop();
this.pos--;
}
this.isEol = false;
}
}
var TokenType;
(function (TokenType) {
TokenType[TokenType["CHARACTER"] = 0] = "CHARACTER";
TokenType[TokenType["NULL_CHARACTER"] = 1] = "NULL_CHARACTER";
TokenType[TokenType["WHITESPACE_CHARACTER"] = 2] = "WHITESPACE_CHARACTER";
TokenType[TokenType["START_TAG"] = 3] = "START_TAG";
TokenType[TokenType["END_TAG"] = 4] = "END_TAG";
TokenType[TokenType["COMMENT"] = 5] = "COMMENT";
TokenType[TokenType["DOCTYPE"] = 6] = "DOCTYPE";
TokenType[TokenType["EOF"] = 7] = "EOF";
TokenType[TokenType["HIBERNATION"] = 8] = "HIBERNATION";
})(TokenType = TokenType || (TokenType = {}));
function getTokenAttr(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;
}
// Generated using scripts/write-decode-map.ts
var htmlDecodeTree = new Uint16Array(
// prettier-ignore
"\u1d41<\xd5\u0131\u028a\u049d\u057b\u05d0\u0675\u06de\u07a2\u07d6\u080f\u0a4a\u0a91\u0da1\u0e6d\u0f09\u0f26\u10ca\u1228\u12e1\u1415\u149d\u14c3\u14df\u1525\0\0\0\0\0\0\u156b\u16cd\u198d\u1c12\u1ddd\u1f7e\u2060\u21b0\u228d\u23c0\u23fb\u2442\u2824\u2912\u2d08\u2e48\u2fce\u3016\u32ba\u3639\u37ac\u38fe\u3a28\u3a71\u3ae0\u3b2e\u0800EMabcfglmnoprstu\\bfms\x7f\x84\x8b\x90\x95\x98\xa6\xb3\xb9\xc8\xcflig\u803b\xc6\u40c6P\u803b&\u4026cute\u803b\xc1\u40c1reve;\u4102\u0100iyx}rc\u803b\xc2\u40c2;\u4410r;\uc000\ud835\udd04rave\u803b\xc0\u40c0pha;\u4391acr;\u4100d;\u6a53\u0100gp\x9d\xa1on;\u4104f;\uc000\ud835\udd38plyFunction;\u6061ing\u803b\xc5\u40c5\u0100cs\xbe\xc3r;\uc000\ud835\udc9cign;\u6254ilde\u803b\xc3\u40c3ml\u803b\xc4\u40c4\u0400aceforsu\xe5\xfb\xfe\u0117\u011c\u0122\u0127\u012a\u0100cr\xea\xf2kslash;\u6216\u0176\xf6\xf8;\u6ae7ed;\u6306y;\u4411\u0180crt\u0105\u010b\u0114ause;\u6235noullis;\u612ca;\u4392r;\uc000\ud835\udd05pf;\uc000\ud835\udd39eve;\u42d8c\xf2\u0113mpeq;\u624e\u0700HOacdefhilorsu\u014d\u0151\u0156\u0180\u019e\u01a2\u01b5\u01b7\u01ba\u01dc\u0215\u0273\u0278\u027ecy;\u4427PY\u803b\xa9\u40a9\u0180cpy\u015d\u0162\u017aute;\u4106\u0100;i\u0167\u0168\u62d2talDifferentialD;\u6145leys;\u612d\u0200aeio\u0189\u018e\u0194\u0198ron;\u410cdil\u803b\xc7\u40c7rc;\u4108nint;\u6230ot;\u410a\u0100dn\u01a7\u01adilla;\u40b8terDot;\u40b7\xf2\u017fi;\u43a7rcle\u0200DMPT\u01c7\u01cb\u01d1\u01d6ot;\u6299inus;\u6296lus;\u6295imes;\u6297o\u0100cs\u01e2\u01f8kwiseContourIntegral;\u6232eCurly\u0100DQ\u0203\u020foubleQuote;\u601duote;\u6019\u0200lnpu\u021e\u0228\u0247\u0255on\u0100;e\u0225\u0226\u6237;\u6a74\u0180git\u022f\u0236\u023aruent;\u6261nt;\u622fourIntegral;\u622e\u0100fr\u024c\u024e;\u6102oduct;\u6210nterClockwiseContourIntegral;\u6233oss;\u6a2fcr;\uc000\ud835\udc9ep\u0100;C\u0284\u0285\u62d3ap;\u624d\u0580DJSZacefios\u02a0\u02ac\u02b0\u02b4\u02b8\u02cb\u02d7\u02e1\u02e6\u0333\u048d\u0100;o\u0179\u02a5trahd;\u6911cy;\u4402cy;\u4405cy;\u440f\u0180grs\u02bf\u02c4\u02c7ger;\u6021r;\u61a1hv;\u6ae4\u0100ay\u02d0\u02d5ron;\u410e;\u4414l\u0100;t\u02dd\u02de\u6207a;\u4394r;\uc000\ud835\udd07\u0100af\u02eb\u0327\u0100cm\u02f0\u0322ritical\u0200ADGT\u0300\u0306\u0316\u031ccute;\u40b4o\u0174\u030b\u030d;\u42d9bleAcute;\u42ddrave;\u4060ilde;\u42dcond;\u62c4ferentialD;\u6146\u0470\u033d\0\0\0\u0342\u0354\0\u0405f;\uc000\ud835\udd3b\u0180;DE\u0348\u0349\u034d\u40a8ot;\u60dcqual;\u6250ble\u0300CDLRUV\u0363\u0372\u0382\u03cf\u03e2\u03f8ontourIntegra\xec\u0239o\u0274\u0379\0\0\u037b\xbb\u0349nArrow;\u61d3\u0100eo\u0387\u03a4ft\u0180ART\u0390\u0396\u03a1rrow;\u61d0ightArrow;\u61d4e\xe5\u02cang\u0100LR\u03ab\u03c4eft\u0100AR\u03b3\u03b9rrow;\u67f8ightArrow;\u67faightArrow;\u67f9ight\u0100AT\u03d8\u03derrow;\u61d2ee;\u62a8p\u0241\u03e9\0\0\u03efrrow;\u61d1ownArrow;\u61d5erticalBar;\u6225n\u0300ABLRTa\u0412\u042a\u0430\u045e\u047f\u037crrow\u0180;BU\u041d\u041e\u0422\u6193ar;\u6913pArrow;\u61f5reve;\u4311eft\u02d2\u043a\0\u0446\0\u0450ightVector;\u6950eeVector;\u695eector\u0100;B\u0459\u045a\u61bdar;\u6956ight\u01d4\u0467\0\u0471eeVector;\u695fector\u0100;B\u047a\u047b\u61c1ar;\u6957ee\u0100;A\u0486\u0487\u62a4rrow;\u61a7\u0100ct\u0492\u0497r;\uc000\ud835\udc9frok;\u4110\u0800NTacdfglmopqstux\u04bd\u04c0\u04c4\u04cb\u04de\u04e2\u04e7\u04ee\u04f5\u0521\u052f\u0536\u0552\u055d\u0560\u0565G;\u414aH\u803b\xd0\u40d0cute\u803b\xc9\u40c9\u0180aiy\u04d2\u04d7\u04dcron;\u411arc\u803b\xca\u40ca;\u442dot;\u4116r;\uc000\ud835\udd08rave\u803b\xc8\u40c8ement;\u6208\u0100ap\u04fa\u04fecr;\u4112ty\u0253\u0506\0\0\u0512mallSquare;\u65fberySmallSquare;\u65ab\u0100gp\u0526\u052aon;\u4118f;\uc000\ud835\udd3csilon;\u4395u\u0100ai\u053c\u0549l\u0100;T\u0542\u0543\u6a75ilde;\u6242librium;\u61cc\u0100ci\u0557\u055ar;\u6130m;\u6a73a;\u4397ml\u803b\xcb\u40cb\u0100ip\u056a\u056fsts;\u6203onentialE;\u6147\u0280cfios\u0585\u0588\u058d\u05b2\u05ccy;\u4424r;\uc000\ud835\udd09lled\u0253\u0597\0\0\u05a3mallSquare;\u65fcerySmallSquare;\u65aa\u0370\u05ba\0\u05bf\0\0\u05c4f;\uc000\ud835\udd3dAll;\u6200riertrf;\u6131c\xf2\u05cb\u0600JTabcdfgorst\u05e8\u05ec\u05ef\u05fa\u0600\u0612\u06
.split("")
.map((c) => c.charCodeAt(0)));
// Generated using scripts/write-decode-map.ts
new Uint16Array(
// prettier-ignore
"\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022"
.split("")
.map((c) => c.charCodeAt(0)));
var CharCodes;
(function (CharCodes) {
CharCodes[CharCodes["NUM"] = 35] = "NUM";
CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
CharCodes[CharCodes["NINE"] = 57] = "NINE";
CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
/** Bit that needs to be set to convert an upper case ASCII character to lower case */
CharCodes[CharCodes["To_LOWER_BIT"] = 32] = "To_LOWER_BIT";
})(CharCodes || (CharCodes = {}));
var BinTrieFlags;
(function (BinTrieFlags) {
BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
})(BinTrieFlags || (BinTrieFlags = {}));
function determineBranch(decodeTree, current, nodeIdx, char) {
const branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
const jumpOffset = current & BinTrieFlags.JUMP_TABLE;
// Case 1: Single branch encoded in jump offset
if (branchCount === 0) {
return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
}
// Case 2: Multiple branches encoded in jump table
if (jumpOffset) {
const value = char - jumpOffset;
return value < 0 || value >= branchCount
? -1
: decodeTree[nodeIdx + value] - 1;
}
// Case 3: Multiple branches encoded in dictionary
// Binary search for the character.
let lo = nodeIdx;
let hi = lo + branchCount - 1;
while (lo <= hi) {
const mid = (lo + hi) >>> 1;
const midVal = decodeTree[mid];
if (midVal < char) {
lo = mid + 1;
}
else if (midVal > char) {
hi = mid - 1;
}
else {
return decodeTree[mid + branchCount];
}
}
return -1;
}
/** All valid namespaces in HTML. */
var NS;
(function (NS) {
NS["HTML"] = "http://www.w3.org/1999/xhtml";
NS["MATHML"] = "http://www.w3.org/1998/Math/MathML";
NS["SVG"] = "http://www.w3.org/2000/svg";
NS["XLINK"] = "http://www.w3.org/1999/xlink";
NS["XML"] = "http://www.w3.org/XML/1998/namespace";
NS["XMLNS"] = "http://www.w3.org/2000/xmlns/";
})(NS = NS || (NS = {}));
var ATTRS;
(function (ATTRS) {
ATTRS["TYPE"] = "type";
ATTRS["ACTION"] = "action";
ATTRS["ENCODING"] = "encoding";
ATTRS["PROMPT"] = "prompt";
ATTRS["NAME"] = "name";
ATTRS["COLOR"] = "color";
ATTRS["FACE"] = "face";
ATTRS["SIZE"] = "size";
})(ATTRS = ATTRS || (ATTRS = {}));
/**
* The mode of the document.
*
* @see {@link https://dom.spec.whatwg.org/#concept-document-limited-quirks}
*/
var DOCUMENT_MODE;
(function (DOCUMENT_MODE) {
DOCUMENT_MODE["NO_QUIRKS"] = "no-quirks";
DOCUMENT_MODE["QUIRKS"] = "quirks";
DOCUMENT_MODE["LIMITED_QUIRKS"] = "limited-quirks";
})(DOCUMENT_MODE = DOCUMENT_MODE || (DOCUMENT_MODE = {}));
var TAG_NAMES;
(function (TAG_NAMES) {
TAG_NAMES["A"] = "a";
TAG_NAMES["ADDRESS"] = "address";
TAG_NAMES["ANNOTATION_XML"] = "annotation-xml";
TAG_NAMES["APPLET"] = "applet";
TAG_NAMES["AREA"] = "area";
TAG_NAMES["ARTICLE"] = "article";
TAG_NAMES["ASIDE"] = "aside";
TAG_NAMES["B"] = "b";
TAG_NAMES["BASE"] = "base";
TAG_NAMES["BASEFONT"] = "basefont";
TAG_NAMES["BGSOUND"] = "bgsound";
TAG_NAMES["BIG"] = "big";
TAG_NAMES["BLOCKQUOTE"] = "blockquote";
TAG_NAMES["BODY"] = "body";
TAG_NAMES["BR"] = "br";
TAG_NAMES["BUTTON"] = "button";
TAG_NAMES["CAPTION"] = "caption";
TAG_NAMES["CENTER"] = "center";
TAG_NAMES["CODE"] = "code";
TAG_NAMES["COL"] = "col";
TAG_NAMES["COLGROUP"] = "colgroup";
TAG_NAMES["DD"] = "dd";
TAG_NAMES["DESC"] = "desc";
TAG_NAMES["DETAILS"] = "details";
TAG_NAMES["DIALOG"] = "dialog";
TAG_NAMES["DIR"] = "dir";
TAG_NAMES["DIV"] = "div";
TAG_NAMES["DL"] = "dl";
TAG_NAMES["DT"] = "dt";
TAG_NAMES["EM"] = "em";
TAG_NAMES["EMBED"] = "embed";
TAG_NAMES["FIELDSET"] = "fieldset";
TAG_NAMES["FIGCAPTION"] = "figcaption";
TAG_NAMES["FIGURE"] = "figure";
TAG_NAMES["FONT"] = "font";
TAG_NAMES["FOOTER"] = "footer";
TAG_NAMES["FOREIGN_OBJECT"] = "foreignObject";
TAG_NAMES["FORM"] = "form";
TAG_NAMES["FRAME"] = "frame";
TAG_NAMES["FRAMESET"] = "frameset";
TAG_NAMES["H1"] = "h1";
TAG_NAMES["H2"] = "h2";
TAG_NAMES["H3"] = "h3";
TAG_NAMES["H4"] = "h4";
TAG_NAMES["H5"] = "h5";
TAG_NAMES["H6"] = "h6";
TAG_NAMES["HEAD"] = "head";
TAG_NAMES["HEADER"] = "header";
TAG_NAMES["HGROUP"] = "hgroup";
TAG_NAMES["HR"] = "hr";
TAG_NAMES["HTML"] = "html";
TAG_NAMES["I"] = "i";
TAG_NAMES["IMG"] = "img";
TAG_NAMES["IMAGE"] = "image";
TAG_NAMES["INPUT"] = "input";
TAG_NAMES["IFRAME"] = "iframe";
TAG_NAMES["KEYGEN"] = "keygen";
TAG_NAMES["LABEL"] = "label";
TAG_NAMES["LI"] = "li";
TAG_NAMES["LINK"] = "link";
TAG_NAMES["LISTING"] = "listing";
TAG_NAMES["MAIN"] = "main";
TAG_NAMES["MALIGNMARK"] = "malignmark";
TAG_NAMES["MARQUEE"] = "marquee";
TAG_NAMES["MATH"] = "math";
TAG_NAMES["MENU"] = "menu";
TAG_NAMES["META"] = "meta";
TAG_NAMES["MGLYPH"] = "mglyph";
TAG_NAMES["MI"] = "mi";
TAG_NAMES["MO"] = "mo";
TAG_NAMES["MN"] = "mn";
TAG_NAMES["MS"] = "ms";
TAG_NAMES["MTEXT"] = "mtext";
TAG_NAMES["NAV"] = "nav";
TAG_NAMES["NOBR"] = "nobr";
TAG_NAMES["NOFRAMES"] = "noframes";
TAG_NAMES["NOEMBED"] = "noembed";
TAG_NAMES["NOSCRIPT"] = "noscript";
TAG_NAMES["OBJECT"] = "object";
TAG_NAMES["OL"] = "ol";
TAG_NAMES["OPTGROUP"] = "optgroup";
TAG_NAMES["OPTION"] = "option";
TAG_NAMES["P"] = "p";
TAG_NAMES["PARAM"] = "param";
TAG_NAMES["PLAINTEXT"] = "plaintext";
TAG_NAMES["PRE"] = "pre";
TAG_NAMES["RB"] = "rb";
TAG_NAMES["RP"] = "rp";
TAG_NAMES["RT"] = "rt";
TAG_NAMES["RTC"] = "rtc";
TAG_NAMES["RUBY"] = "ruby";
TAG_NAMES["S"] = "s";
TAG_NAMES["SCRIPT"] = "script";
TAG_NAMES["SECTION"] = "section";
TAG_NAMES["SELECT"] = "select";
TAG_NAMES["SOURCE"] = "source";
TAG_NAMES["SMALL"] = "small";
TAG_NAMES["SPAN"] = "span";
TAG_NAMES["STRIKE"] = "strike";
TAG_NAMES["STRONG"] = "strong";
TAG_NAMES["STYLE"] = "style";
TAG_NAMES["SUB"] = "sub";
TAG_NAMES["SUMMARY"] = "summary";
TAG_NAMES["SUP"] = "sup";
TAG_NAMES["TABLE"] = "table";
TAG_NAMES["TBODY"] = "tbody";
TAG_NAMES["TEMPLATE"] = "template";
TAG_NAMES["TEXTAREA"] = "textarea";
TAG_NAMES["TFOOT"] = "tfoot";
TAG_NAMES["TD"] = "td";
TAG_NAMES["TH"] = "th";
TAG_NAMES["THEAD"] = "thead";
TAG_NAMES["TITLE"] = "title";
TAG_NAMES["TR"] = "tr";
TAG_NAMES["TRACK"] = "track";
TAG_NAMES["TT"] = "tt";
TAG_NAMES["U"] = "u";
TAG_NAMES["UL"] = "ul";
TAG_NAMES["SVG"] = "svg";
TAG_NAMES["VAR"] = "var";
TAG_NAMES["WBR"] = "wbr";
TAG_NAMES["XMP"] = "xmp";
})(TAG_NAMES = TAG_NAMES || (TAG_NAMES = {}));
/**
* Tag IDs are numeric IDs for known tag names.
*
* We use tag IDs to improve the performance of tag name comparisons.
*/
var TAG_ID;
(function (TAG_ID) {
TAG_ID[TAG_ID["UNKNOWN"] = 0] = "UNKNOWN";
TAG_ID[TAG_ID["A"] = 1] = "A";
TAG_ID[TAG_ID["ADDRESS"] = 2] = "ADDRESS";
TAG_ID[TAG_ID["ANNOTATION_XML"] = 3] = "ANNOTATION_XML";
TAG_ID[TAG_ID["APPLET"] = 4] = "APPLET";
TAG_ID[TAG_ID["AREA"] = 5] = "AREA";
TAG_ID[TAG_ID["ARTICLE"] = 6] = "ARTICLE";
TAG_ID[TAG_ID["ASIDE"] = 7] = "ASIDE";
TAG_ID[TAG_ID["B"] = 8] = "B";
TAG_ID[TAG_ID["BASE"] = 9] = "BASE";
TAG_ID[TAG_ID["BASEFONT"] = 10] = "BASEFONT";
TAG_ID[TAG_ID["BGSOUND"] = 11] = "BGSOUND";
TAG_ID[TAG_ID["BIG"] = 12] = "BIG";
TAG_ID[TAG_ID["BLOCKQUOTE"] = 13] = "BLOCKQUOTE";
TAG_ID[TAG_ID["BODY"] = 14] = "BODY";
TAG_ID[TAG_ID["BR"] = 15] = "BR";
TAG_ID[TAG_ID["BUTTON"] = 16] = "BUTTON";
TAG_ID[TAG_ID["CAPTION"] = 17] = "CAPTION";
TAG_ID[TAG_ID["CENTER"] = 18] = "CENTER";
TAG_ID[TAG_ID["CODE"] = 19] = "CODE";
TAG_ID[TAG_ID["COL"] = 20] = "COL";
TAG_ID[TAG_ID["COLGROUP"] = 21] = "COLGROUP";
TAG_ID[TAG_ID["DD"] = 22] = "DD";
TAG_ID[TAG_ID["DESC"] = 23] = "DESC";
TAG_ID[TAG_ID["DETAILS"] = 24] = "DETAILS";
TAG_ID[TAG_ID["DIALOG"] = 25] = "DIALOG";
TAG_ID[TAG_ID["DIR"] = 26] = "DIR";
TAG_ID[TAG_ID["DIV"] = 27] = "DIV";
TAG_ID[TAG_ID["DL"] = 28] = "DL";
TAG_ID[TAG_ID["DT"] = 29] = "DT";
TAG_ID[TAG_ID["EM"] = 30] = "EM";
TAG_ID[TAG_ID["EMBED"] = 31] = "EMBED";
TAG_ID[TAG_ID["FIELDSET"] = 32] = "FIELDSET";
TAG_ID[TAG_ID["FIGCAPTION"] = 33] = "FIGCAPTION";
TAG_ID[TAG_ID["FIGURE"] = 34] = "FIGURE";
TAG_ID[TAG_ID["FONT"] = 35] = "FONT";
TAG_ID[TAG_ID["FOOTER"] = 36] = "FOOTER";
TAG_ID[TAG_ID["FOREIGN_OBJECT"] = 37] = "FOREIGN_OBJECT";
TAG_ID[TAG_ID["FORM"] = 38] = "FORM";
TAG_ID[TAG_ID["FRAME"] = 39] = "FRAME";
TAG_ID[TAG_ID["FRAMESET"] = 40] = "FRAMESET";
TAG_ID[TAG_ID["H1"] = 41] = "H1";
TAG_ID[TAG_ID["H2"] = 42] = "H2";
TAG_ID[TAG_ID["H3"] = 43] = "H3";
TAG_ID[TAG_ID["H4"] = 44] = "H4";
TAG_ID[TAG_ID["H5"] = 45] = "H5";
TAG_ID[TAG_ID["H6"] = 46] = "H6";
TAG_ID[TAG_ID["HEAD"] = 47] = "HEAD";
TAG_ID[TAG_ID["HEADER"] = 48] = "HEADER";
TAG_ID[TAG_ID["HGROUP"] = 49] = "HGROUP";
TAG_ID[TAG_ID["HR"] = 50] = "HR";
TAG_ID[TAG_ID["HTML"] = 51] = "HTML";
TAG_ID[TAG_ID["I"] = 52] = "I";
TAG_ID[TAG_ID["IMG"] = 53] = "IMG";
TAG_ID[TAG_ID["IMAGE"] = 54] = "IMAGE";
TAG_ID[TAG_ID["INPUT"] = 55] = "INPUT";
TAG_ID[TAG_ID["IFRAME"] = 56] = "IFRAME";
TAG_ID[TAG_ID["KEYGEN"] = 57] = "KEYGEN";
TAG_ID[TAG_ID["LABEL"] = 58] = "LABEL";
TAG_ID[TAG_ID["LI"] = 59] = "LI";
TAG_ID[TAG_ID["LINK"] = 60] = "LINK";
TAG_ID[TAG_ID["LISTING"] = 61] = "LISTING";
TAG_ID[TAG_ID["MAIN"] = 62] = "MAIN";
TAG_ID[TAG_ID["MALIGNMARK"] = 63] = "MALIGNMARK";
TAG_ID[TAG_ID["MARQUEE"] = 64] = "MARQUEE";
TAG_ID[TAG_ID["MATH"] = 65] = "MATH";
TAG_ID[TAG_ID["MENU"] = 66] = "MENU";
TAG_ID[TAG_ID["META"] = 67] = "META";
TAG_ID[TAG_ID["MGLYPH"] = 68] = "MGLYPH";
TAG_ID[TAG_ID["MI"] = 69] = "MI";
TAG_ID[TAG_ID["MO"] = 70] = "MO";
TAG_ID[TAG_ID["MN"] = 71] = "MN";
TAG_ID[TAG_ID["MS"] = 72] = "MS";
TAG_ID[TAG_ID["MTEXT"] = 73] = "MTEXT";
TAG_ID[TAG_ID["NAV"] = 74] = "NAV";
TAG_ID[TAG_ID["NOBR"] = 75] = "NOBR";
TAG_ID[TAG_ID["NOFRAMES"] = 76] = "NOFRAMES";
TAG_ID[TAG_ID["NOEMBED"] = 77] = "NOEMBED";
TAG_ID[TAG_ID["NOSCRIPT"] = 78] = "NOSCRIPT";
TAG_ID[TAG_ID["OBJECT"] = 79] = "OBJECT";
TAG_ID[TAG_ID["OL"] = 80] = "OL";
TAG_ID[TAG_ID["OPTGROUP"] = 81] = "OPTGROUP";
TAG_ID[TAG_ID["OPTION"] = 82] = "OPTION";
TAG_ID[TAG_ID["P"] = 83] = "P";
TAG_ID[TAG_ID["PARAM"] = 84] = "PARAM";
TAG_ID[TAG_ID["PLAINTEXT"] = 85] = "PLAINTEXT";
TAG_ID[TAG_ID["PRE"] = 86] = "PRE";
TAG_ID[TAG_ID["RB"] = 87] = "RB";
TAG_ID[TAG_ID["RP"] = 88] = "RP";
TAG_ID[TAG_ID["RT"] = 89] = "RT";
TAG_ID[TAG_ID["RTC"] = 90] = "RTC";
TAG_ID[TAG_ID["RUBY"] = 91] = "RUBY";
TAG_ID[TAG_ID["S"] = 92] = "S";
TAG_ID[TAG_ID["SCRIPT"] = 93] = "SCRIPT";
TAG_ID[TAG_ID["SECTION"] = 94] = "SECTION";
TAG_ID[TAG_ID["SELECT"] = 95] = "SELECT";
TAG_ID[TAG_ID["SOURCE"] = 96] = "SOURCE";
TAG_ID[TAG_ID["SMALL"] = 97] = "SMALL";
TAG_ID[TAG_ID["SPAN"] = 98] = "SPAN";
TAG_ID[TAG_ID["STRIKE"] = 99] = "STRIKE";
TAG_ID[TAG_ID["STRONG"] = 100] = "STRONG";
TAG_ID[TAG_ID["STYLE"] = 101] = "STYLE";
TAG_ID[TAG_ID["SUB"] = 102] = "SUB";
TAG_ID[TAG_ID["SUMMARY"] = 103] = "SUMMARY";
TAG_ID[TAG_ID["SUP"] = 104] = "SUP";
TAG_ID[TAG_ID["TABLE"] = 105] = "TABLE";
TAG_ID[TAG_ID["TBODY"] = 106] = "TBODY";
TAG_ID[TAG_ID["TEMPLATE"] = 107] = "TEMPLATE";
TAG_ID[TAG_ID["TEXTAREA"] = 108] = "TEXTAREA";
TAG_ID[TAG_ID["TFOOT"] = 109] = "TFOOT";
TAG_ID[TAG_ID["TD"] = 110] = "TD";
TAG_ID[TAG_ID["TH"] = 111] = "TH";
TAG_ID[TAG_ID["THEAD"] = 112] = "THEAD";
TAG_ID[TAG_ID["TITLE"] = 113] = "TITLE";
TAG_ID[TAG_ID["TR"] = 114] = "TR";
TAG_ID[TAG_ID["TRACK"] = 115] = "TRACK";
TAG_ID[TAG_ID["TT"] = 116] = "TT";
TAG_ID[TAG_ID["U"] = 117] = "U";
TAG_ID[TAG_ID["UL"] = 118] = "UL";
TAG_ID[TAG_ID["SVG"] = 119] = "SVG";
TAG_ID[TAG_ID["VAR"] = 120] = "VAR";
TAG_ID[TAG_ID["WBR"] = 121] = "WBR";
TAG_ID[TAG_ID["XMP"] = 122] = "XMP";
})(TAG_ID = TAG_ID || (TAG_ID = {}));
const TAG_NAME_TO_ID = new Map([
[TAG_NAMES.A, TAG_ID.A],
[TAG_NAMES.ADDRESS, TAG_ID.ADDRESS],
[TAG_NAMES.ANNOTATION_XML, TAG_ID.ANNOTATION_XML],
[TAG_NAMES.APPLET, TAG_ID.APPLET],
[TAG_NAMES.AREA, TAG_ID.AREA],
[TAG_NAMES.ARTICLE, TAG_ID.ARTICLE],
[TAG_NAMES.ASIDE, TAG_ID.ASIDE],
[TAG_NAMES.B, TAG_ID.B],
[TAG_NAMES.BASE, TAG_ID.BASE],
[TAG_NAMES.BASEFONT, TAG_ID.BASEFONT],
[TAG_NAMES.BGSOUND, TAG_ID.BGSOUND],
[TAG_NAMES.BIG, TAG_ID.BIG],
[TAG_NAMES.BLOCKQUOTE, TAG_ID.BLOCKQUOTE],
[TAG_NAMES.BODY, TAG_ID.BODY],
[TAG_NAMES.BR, TAG_ID.BR],
[TAG_NAMES.BUTTON, TAG_ID.BUTTON],
[TAG_NAMES.CAPTION, TAG_ID.CAPTION],
[TAG_NAMES.CENTER, TAG_ID.CENTER],
[TAG_NAMES.CODE, TAG_ID.CODE],
[TAG_NAMES.COL, TAG_ID.COL],
[TAG_NAMES.COLGROUP, TAG_ID.COLGROUP],
[TAG_NAMES.DD, TAG_ID.DD],
[TAG_NAMES.DESC, TAG_ID.DESC],
[TAG_NAMES.DETAILS, TAG_ID.DETAILS],
[TAG_NAMES.DIALOG, TAG_ID.DIALOG],
[TAG_NAMES.DIR, TAG_ID.DIR],
[TAG_NAMES.DIV, TAG_ID.DIV],
[TAG_NAMES.DL, TAG_ID.DL],
[TAG_NAMES.DT, TAG_ID.DT],
[TAG_NAMES.EM, TAG_ID.EM],
[TAG_NAMES.EMBED, TAG_ID.EMBED],
[TAG_NAMES.FIELDSET, TAG_ID.FIELDSET],
[TAG_NAMES.FIGCAPTION, TAG_ID.FIGCAPTION],
[TAG_NAMES.FIGURE, TAG_ID.FIGURE],
[TAG_NAMES.FONT, TAG_ID.FONT],
[TAG_NAMES.FOOTER, TAG_ID.FOOTER],
[TAG_NAMES.FOREIGN_OBJECT, TAG_ID.FOREIGN_OBJECT],
[TAG_NAMES.FORM, TAG_ID.FORM],
[TAG_NAMES.FRAME, TAG_ID.FRAME],
[TAG_NAMES.FRAMESET, TAG_ID.FRAMESET],
[TAG_NAMES.H1, TAG_ID.H1],
[TAG_NAMES.H2, TAG_ID.H2],
[TAG_NAMES.H3, TAG_ID.H3],
[TAG_NAMES.H4, TAG_ID.H4],
[TAG_NAMES.H5, TAG_ID.H5],
[TAG_NAMES.H6, TAG_ID.H6],
[TAG_NAMES.HEAD, TAG_ID.HEAD],
[TAG_NAMES.HEADER, TAG_ID.HEADER],
[TAG_NAMES.HGROUP, TAG_ID.HGROUP],
[TAG_NAMES.HR, TAG_ID.HR],
[TAG_NAMES.HTML, TAG_ID.HTML],
[TAG_NAMES.I, TAG_ID.I],
[TAG_NAMES.IMG, TAG_ID.IMG],
[TAG_NAMES.IMAGE, TAG_ID.IMAGE],
[TAG_NAMES.INPUT, TAG_ID.INPUT],
[TAG_NAMES.IFRAME, TAG_ID.IFRAME],
[TAG_NAMES.KEYGEN, TAG_ID.KEYGEN],
[TAG_NAMES.LABEL, TAG_ID.LABEL],
[TAG_NAMES.LI, TAG_ID.LI],
[TAG_NAMES.LINK, TAG_ID.LINK],
[TAG_NAMES.LISTING, TAG_ID.LISTING],
[TAG_NAMES.MAIN, TAG_ID.MAIN],
[TAG_NAMES.MALIGNMARK, TAG_ID.MALIGNMARK],
[TAG_NAMES.MARQUEE, TAG_ID.MARQUEE],
[TAG_NAMES.MATH, TAG_ID.MATH],
[TAG_NAMES.MENU, TAG_ID.MENU],
[TAG_NAMES.META, TAG_ID.META],
[TAG_NAMES.MGLYPH, TAG_ID.MGLYPH],
[TAG_NAMES.MI, TAG_ID.MI],
[TAG_NAMES.MO, TAG_ID.MO],
[TAG_NAMES.MN, TAG_ID.MN],
[TAG_NAMES.MS, TAG_ID.MS],
[TAG_NAMES.MTEXT, TAG_ID.MTEXT],
[TAG_NAMES.NAV, TAG_ID.NAV],
[TAG_NAMES.NOBR, TAG_ID.NOBR],
[TAG_NAMES.NOFRAMES, TAG_ID.NOFRAMES],
[TAG_NAMES.NOEMBED, TAG_ID.NOEMBED],
[TAG_NAMES.NOSCRIPT, TAG_ID.NOSCRIPT],
[TAG_NAMES.OBJECT, TAG_ID.OBJECT],
[TAG_NAMES.OL, TAG_ID.OL],
[TAG_NAMES.OPTGROUP, TAG_ID.OPTGROUP],
[TAG_NAMES.OPTION, TAG_ID.OPTION],
[TAG_NAMES.P, TAG_ID.P],
[TAG_NAMES.PARAM, TAG_ID.PARAM],
[TAG_NAMES.PLAINTEXT, TAG_ID.PLAINTEXT],
[TAG_NAMES.PRE, TAG_ID.PRE],
[TAG_NAMES.RB, TAG_ID.RB],
[TAG_NAMES.RP, TAG_ID.RP],
[TAG_NAMES.RT, TAG_ID.RT],
[TAG_NAMES.RTC, TAG_ID.RTC],
[TAG_NAMES.RUBY, TAG_ID.RUBY],
[TAG_NAMES.S, TAG_ID.S],
[TAG_NAMES.SCRIPT, TAG_ID.SCRIPT],
[TAG_NAMES.SECTION, TAG_ID.SECTION],
[TAG_NAMES.SELECT, TAG_ID.SELECT],
[TAG_NAMES.SOURCE, TAG_ID.SOURCE],
[TAG_NAMES.SMALL, TAG_ID.SMALL],
[TAG_NAMES.SPAN, TAG_ID.SPAN],
[TAG_NAMES.STRIKE, TAG_ID.STRIKE],
[TAG_NAMES.STRONG, TAG_ID.STRONG],
[TAG_NAMES.STYLE, TAG_ID.STYLE],
[TAG_NAMES.SUB, TAG_ID.SUB],
[TAG_NAMES.SUMMARY, TAG_ID.SUMMARY],
[TAG_NAMES.SUP, TAG_ID.SUP],
[TAG_NAMES.TABLE, TAG_ID.TABLE],
[TAG_NAMES.TBODY, TAG_ID.TBODY],
[TAG_NAMES.TEMPLATE, TAG_ID.TEMPLATE],
[TAG_NAMES.TEXTAREA, TAG_ID.TEXTAREA],
[TAG_NAMES.TFOOT, TAG_ID.TFOOT],
[TAG_NAMES.TD, TAG_ID.TD],
[TAG_NAMES.TH, TAG_ID.TH],
[TAG_NAMES.THEAD, TAG_ID.THEAD],
[TAG_NAMES.TITLE, TAG_ID.TITLE],
[TAG_NAMES.TR, TAG_ID.TR],
[TAG_NAMES.TRACK, TAG_ID.TRACK],
[TAG_NAMES.TT, TAG_ID.TT],
[TAG_NAMES.U, TAG_ID.U],
[TAG_NAMES.UL, TAG_ID.UL],
[TAG_NAMES.SVG, TAG_ID.SVG],
[TAG_NAMES.VAR, TAG_ID.VAR],
[TAG_NAMES.WBR, TAG_ID.WBR],
[TAG_NAMES.XMP, TAG_ID.XMP],
]);
function getTagID(tagName) {
var _a;
return (_a = TAG_NAME_TO_ID.get(tagName)) !== null && _a !== void 0 ? _a : TAG_ID.UNKNOWN;
}
const $ = TAG_ID;
const SPECIAL_ELEMENTS = {
[NS.HTML]: new Set([
$.ADDRESS,
$.APPLET,
$.AREA,
$.ARTICLE,
$.ASIDE,
$.BASE,
$.BASEFONT,
$.BGSOUND,
$.BLOCKQUOTE,
$.BODY,
$.BR,
$.BUTTON,
$.CAPTION,
$.CENTER,
$.COL,
$.COLGROUP,
$.DD,
$.DETAILS,
$.DIR,
$.DIV,
$.DL,
$.DT,
$.EMBED,
$.FIELDSET,
$.FIGCAPTION,
$.FIGURE,
$.FOOTER,
$.FORM,
$.FRAME,
$.FRAMESET,
$.H1,
$.H2,
$.H3,
$.H4,
$.H5,
$.H6,
$.HEAD,
$.HEADER,
$.HGROUP,
$.HR,
$.HTML,
$.IFRAME,
$.IMG,
$.INPUT,
$.LI,
$.LINK,
$.LISTING,
$.MAIN,
$.MARQUEE,
$.MENU,
$.META,
$.NAV,
$.NOEMBED,
$.NOFRAMES,
$.NOSCRIPT,
$.OBJECT,
$.OL,
$.P,
$.PARAM,
$.PLAINTEXT,
$.PRE,
$.SCRIPT,
$.SECTION,
$.SELECT,
$.SOURCE,
$.STYLE,
$.SUMMARY,
$.TABLE,
$.TBODY,
$.TD,
$.TEMPLATE,
$.TEXTAREA,
$.TFOOT,
$.TH,
$.THEAD,
$.TITLE,
$.TR,
$.TRACK,
$.UL,
$.WBR,
$.XMP,
]),
[NS.MATHML]: new Set([$.MI, $.MO, $.MN, $.MS, $.MTEXT, $.ANNOTATION_XML]),
[NS.SVG]: new Set([$.TITLE, $.FOREIGN_OBJECT, $.DESC]),
[NS.XLINK]: new Set(),
[NS.XML]: new Set(),
[NS.XMLNS]: new Set(),
};
function isNumberedHeader(tn) {
return tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6;
}
//C1 Unicode control character reference replacements
const C1_CONTROLS_REFERENCE_REPLACEMENTS = new Map([
[0x80, 8364],
[0x82, 8218],
[0x83, 402],
[0x84, 8222],
[0x85, 8230],
[0x86, 8224],
[0x87, 8225],
[0x88, 710],
[0x89, 8240],
[0x8a, 352],
[0x8b, 8249],
[0x8c, 338],
[0x8e, 381],
[0x91, 8216],
[0x92, 8217],
[0x93, 8220],
[0x94, 8221],
[0x95, 8226],
[0x96, 8211],
[0x97, 8212],
[0x98, 732],
[0x99, 8482],
[0x9a, 353],
[0x9b, 8250],
[0x9c, 339],
[0x9e, 382],
[0x9f, 376],
]);
//States
var State;
(function (State) {
State[State["DATA"] = 0] = "DATA";
State[State["RCDATA"] = 1] = "RCDATA";
State[State["RAWTEXT"] = 2] = "RAWTEXT";
State[State["SCRIPT_DATA"] = 3] = "SCRIPT_DATA";
State[State["PLAINTEXT"] = 4] = "PLAINTEXT";
State[State["TAG_OPEN"] = 5] = "TAG_OPEN";
State[State["END_TAG_OPEN"] = 6] = "END_TAG_OPEN";
State[State["TAG_NAME"] = 7] = "TAG_NAME";
State[State["RCDATA_LESS_THAN_SIGN"] = 8] = "RCDATA_LESS_THAN_SIGN";
State[State["RCDATA_END_TAG_OPEN"] = 9] = "RCDATA_END_TAG_OPEN";
State[State["RCDATA_END_TAG_NAME"] = 10] = "RCDATA_END_TAG_NAME";
State[State["RAWTEXT_LESS_THAN_SIGN"] = 11] = "RAWTEXT_LESS_THAN_SIGN";
State[State["RAWTEXT_END_TAG_OPEN"] = 12] = "RAWTEXT_END_TAG_OPEN";
State[State["RAWTEXT_END_TAG_NAME"] = 13] = "RAWTEXT_END_TAG_NAME";
State[State["SCRIPT_DATA_LESS_THAN_SIGN"] = 14] = "SCRIPT_DATA_LESS_THAN_SIGN";
State[State["SCRIPT_DATA_END_TAG_OPEN"] = 15] = "SCRIPT_DATA_END_TAG_OPEN";
State[State["SCRIPT_DATA_END_TAG_NAME"] = 16] = "SCRIPT_DATA_END_TAG_NAME";
State[State["SCRIPT_DATA_ESCAPE_START"] = 17] = "SCRIPT_DATA_ESCAPE_START";
State[State["SCRIPT_DATA_ESCAPE_START_DASH"] = 18] = "SCRIPT_DATA_ESCAPE_START_DASH";
State[State["SCRIPT_DATA_ESCAPED"] = 19] = "SCRIPT_DATA_ESCAPED";
State[State["SCRIPT_DATA_ESCAPED_DASH"] = 20] = "SCRIPT_DATA_ESCAPED_DASH";
State[State["SCRIPT_DATA_ESCAPED_DASH_DASH"] = 21] = "SCRIPT_DATA_ESCAPED_DASH_DASH";
State[State["SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN"] = 22] = "SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN";
State[State["SCRIPT_DATA_ESCAPED_END_TAG_OPEN"] = 23] = "SCRIPT_DATA_ESCAPED_END_TAG_OPEN";
State[State["SCRIPT_DATA_ESCAPED_END_TAG_NAME"] = 24] = "SCRIPT_DATA_ESCAPED_END_TAG_NAME";
State[State["SCRIPT_DATA_DOUBLE_ESCAPE_START"] = 25] = "SCRIPT_DATA_DOUBLE_ESCAPE_START";
State[State["SCRIPT_DATA_DOUBLE_ESCAPED"] = 26] = "SCRIPT_DATA_DOUBLE_ESCAPED";
State[State["SCRIPT_DATA_DOUBLE_ESCAPED_DASH"] = 27] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH";
State[State["SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH"] = 28] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH";
State[State["SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN"] = 29] = "SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN";
State[State["SCRIPT_DATA_DOUBLE_ESCAPE_END"] = 30] = "SCRIPT_DATA_DOUBLE_ESCAPE_END";
State[State["BEFORE_ATTRIBUTE_NAME"] = 31] = "BEFORE_ATTRIBUTE_NAME";
State[State["ATTRIBUTE_NAME"] = 32] = "ATTRIBUTE_NAME";
State[State["AFTER_ATTRIBUTE_NAME"] = 33] = "AFTER_ATTRIBUTE_NAME";
State[State["BEFORE_ATTRIBUTE_VALUE"] = 34] = "BEFORE_ATTRIBUTE_VALUE";
State[State["ATTRIBUTE_VALUE_DOUBLE_QUOTED"] = 35] = "ATTRIBUTE_VALUE_DOUBLE_QUOTED";
State[State["ATTRIBUTE_VALUE_SINGLE_QUOTED"] = 36] = "ATTRIBUTE_VALUE_SINGLE_QUOTED";
State[State["ATTRIBUTE_VALUE_UNQUOTED"] = 37] = "ATTRIBUTE_VALUE_UNQUOTED";
State[State["AFTER_ATTRIBUTE_VALUE_QUOTED"] = 38] = "AFTER_ATTRIBUTE_VALUE_QUOTED";
State[State["SELF_CLOSING_START_TAG"] = 39] = "SELF_CLOSING_START_TAG";
State[State["BOGUS_COMMENT"] = 40] = "BOGUS_COMMENT";
State[State["MARKUP_DECLARATION_OPEN"] = 41] = "MARKUP_DECLARATION_OPEN";
State[State["COMMENT_START"] = 42] = "COMMENT_START";
State[State["COMMENT_START_DASH"] = 43] = "COMMENT_START_DASH";
State[State["COMMENT"] = 44] = "COMMENT";
State[State["COMMENT_LESS_THAN_SIGN"] = 45] = "COMMENT_LESS_THAN_SIGN";
State[State["COMMENT_LESS_THAN_SIGN_BANG"] = 46] = "COMMENT_LESS_THAN_SIGN_BANG";
State[State["COMMENT_LESS_THAN_SIGN_BANG_DASH"] = 47] = "COMMENT_LESS_THAN_SIGN_BANG_DASH";
State[State["COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH"] = 48] = "COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH";
State[State["COMMENT_END_DASH"] = 49] = "COMMENT_END_DASH";
State[State["COMMENT_END"] = 50] = "COMMENT_END";
State[State["COMMENT_END_BANG"] = 51] = "COMMENT_END_BANG";
State[State["DOCTYPE"] = 52] = "DOCTYPE";
State[State["BEFORE_DOCTYPE_NAME"] = 53] = "BEFORE_DOCTYPE_NAME";
State[State["DOCTYPE_NAME"] = 54] = "DOCTYPE_NAME";
State[State["AFTER_DOCTYPE_NAME"] = 55] = "AFTER_DOCTYPE_NAME";
State[State["AFTER_DOCTYPE_PUBLIC_KEYWORD"] = 56] = "AFTER_DOCTYPE_PUBLIC_KEYWORD";
State[State["BEFORE_DOCTYPE_PUBLIC_IDENTIFIER"] = 57] = "BEFORE_DOCTYPE_PUBLIC_IDENTIFIER";
State[State["DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED"] = 58] = "DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED";
State[State["DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED"] = 59] = "DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED";
State[State["AFTER_DOCTYPE_PUBLIC_IDENTIFIER"] = 60] = "AFTER_DOCTYPE_PUBLIC_IDENTIFIER";
State[State["BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS"] = 61] = "BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS";
State[State["AFTER_DOCTYPE_SYSTEM_KEYWORD"] = 62] = "AFTER_DOCTYPE_SYSTEM_KEYWORD";
State[State["BEFORE_DOCTYPE_SYSTEM_IDENTIFIER"] = 63] = "BEFORE_DOCTYPE_SYSTEM_IDENTIFIER";
State[State["DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED"] = 64] = "DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED";
State[State["DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED"] = 65] = "DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED";
State[State["AFTER_DOCTYPE_SYSTEM_IDENTIFIER"] = 66] = "AFTER_DOCTYPE_SYSTEM_IDENTIFIER";
State[State["BOGUS_DOCTYPE"] = 67] = "BOGUS_DOCTYPE";
State[State["CDATA_SECTION"] = 68] = "CDATA_SECTION";
State[State["CDATA_SECTION_BRACKET"] = 69] = "CDATA_SECTION_BRACKET";
State[State["CDATA_SECTION_END"] = 70] = "CDATA_SECTION_END";
State[State["CHARACTER_REFERENCE"] = 71] = "CHARACTER_REFERENCE";
State[State["NAMED_CHARACTER_REFERENCE"] = 72] = "NAMED_CHARACTER_REFERENCE";
State[State["AMBIGUOUS_AMPERSAND"] = 73] = "AMBIGUOUS_AMPERSAND";
State[State["NUMERIC_CHARACTER_REFERENCE"] = 74] = "NUMERIC_CHARACTER_REFERENCE";
State[State["HEXADEMICAL_CHARACTER_REFERENCE_START"] = 75] = "HEXADEMICAL_CHARACTER_REFERENCE_START";
State[State["HEXADEMICAL_CHARACTER_REFERENCE"] = 76] = "HEXADEMICAL_CHARACTER_REFERENCE";
State[State["DECIMAL_CHARACTER_REFERENCE"] = 77] = "DECIMAL_CHARACTER_REFERENCE";
State[State["NUMERIC_CHARACTER_REFERENCE_END"] = 78] = "NUMERIC_CHARACTER_REFERENCE_END";
})(State || (State = {}));
//Tokenizer initial states for different modes
const TokenizerMode = {
DATA: State.DATA,
RCDATA: State.RCDATA,
RAWTEXT: State.RAWTEXT,
SCRIPT_DATA: State.SCRIPT_DATA,
PLAINTEXT: State.PLAINTEXT,
CDATA_SECTION: State.CDATA_SECTION,
};
//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 isAsciiDigit(cp) {
return cp >= CODE_POINTS.DIGIT_0 && cp <= CODE_POINTS.DIGIT_9;
}
function isAsciiUpper(cp) {
return cp >= CODE_POINTS.LATIN_CAPITAL_A && cp <= CODE_POINTS.LATIN_CAPITAL_Z;
}
function isAsciiLower(cp) {
return cp >= CODE_POINTS.LATIN_SMALL_A && cp <= CODE_POINTS.LATIN_SMALL_Z;
}
function isAsciiLetter(cp) {
return isAsciiLower(cp) || isAsciiUpper(cp);
}
function isAsciiAlphaNumeric(cp) {
return isAsciiLetter(cp) || isAsciiDigit(cp);
}
function isAsciiUpperHexDigit(cp) {
return cp >= CODE_POINTS.LATIN_CAPITAL_A && cp <= CODE_POINTS.LATIN_CAPITAL_F;
}
function isAsciiLowerHexDigit(cp) {
return cp >= CODE_POINTS.LATIN_SMALL_A && cp <= CODE_POINTS.LATIN_SMALL_F;
}
function isAsciiHexDigit(cp) {
return isAsciiDigit(cp) || isAsciiUpperHexDigit(cp) || isAsciiLowerHexDigit(cp);
}
function toAsciiLower(cp) {
return cp + 32;
}
function isWhitespace(cp) {
return cp === CODE_POINTS.SPACE || cp === CODE_POINTS.LINE_FEED || cp === CODE_POINTS.TABULATION || cp === CODE_POINTS.FORM_FEED;
}
function isEntityInAttributeInvalidEnd(nextCp) {
return nextCp === CODE_POINTS.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp);
}
function isScriptDataDoubleEscapeSequenceEnd(cp) {
return isWhitespace(cp) || cp === CODE_POINTS.SOLIDUS || cp === CODE_POINTS.GREATER_THAN_SIGN;
}
//Tokenizer
class Tokenizer {
constructor(options, handler) {
this.options = options;
this.handler = handler;
this.paused = false;
/** Ensures that the parsing loop isn't run multiple times at once. */
this.inLoop = false;
/**
* Indicates that the current adjusted node exists, is not an element in the HTML namespace,
* and that it is not an integration point for either MathML or HTML.
*
* @see {@link https://html.spec.whatwg.org/multipage/parsing.html#tree-construction}
*/
this.inForeignNode = false;
this.lastStartTagName = '';
this.active = false;
this.state = State.DATA;
this.returnState = State.DATA;
this.charRefCode = -1;
this.consumedAfterSnapshot = -1;
this.currentCharacterToken = null;
this.currentToken = null;
this.currentAttr = { name: '', value: '' };
this.preprocessor = new Preprocessor(handler);
this.currentLocation = this.getCurrentLocation(-1);
}
//Errors
_err(code) {
var _a, _b;
(_b = (_a = this.handler).onParseError) === null || _b === void 0 ? void 0 : _b.call(_a, this.preprocessor.getError(code));
}
// NOTE: `offset` may never run across line boundaries.
getCurrentLocation(offset) {
if (!this.options.sourceCodeLocationInfo) {
return null;
}
return {
startLine: this.preprocessor.line,
startCol: this.preprocessor.col - offset,
startOffset: this.preprocessor.offset - offset,
endLine: -1,
endCol: -1,
endOffset: -1,
};
}
_runParsingLoop() {
if (this.inLoop)
return;
this.inLoop = true;
while (this.active && !this.paused) {
this.consumedAfterSnapshot = 0;
const cp = this._consume();
if (!this._ensureHibernation()) {
this._callState(cp);
}
}
this.inLoop = false;
}
//API
pause() {
this.paused = true;
}
resume(writeCallback) {
if (!this.paused) {
throw new Error('Parser was already resumed');
}
this.paused = false;
// Necessary for synchronous resume.
if (this.inLoop)
return;
this._runParsingLoop();
if (!this.paused) {
writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();
}
}
write(chunk, isLastChunk, writeCallback) {
this.active = true;
this.preprocessor.write(chunk, isLastChunk);
this._runParsingLoop();
if (!this.paused) {
writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();
}
}
insertHtmlAtCurrentPos(chunk) {
this.active = true;
this.preprocessor.insertHtmlAtCurrentPos(chunk);
this._runParsingLoop();
}
//Hibernation
_ensureHibernation() {
if (this.preprocessor.endOfChunkHit) {
this._unconsume(this.consumedAfterSnapshot);
this.active = false;
return true;
}
return false;
}
//Consumption
_consume() {
this.consumedAfterSnapshot++;
return this.preprocessor.advance();
}
_unconsume(count) {
this.consumedAfterSnapshot -= count;
this.preprocessor.retreat(count);
}
_reconsumeInState(state, cp) {
this.state = state;
this._callState(cp);
}
_advanceBy(count) {
this.consumedAfterSnapshot += count;
for (let i = 0; i < count; i++) {
this.preprocessor.advance();
}
}
_consumeSequenceIfMatch(pattern, caseSensitive) {
if (this.preprocessor.startsWith(pattern, caseSensitive)) {
// We will already have consumed one character before calling this method.
this._advanceBy(pattern.length - 1);
return true;
}
return false;
}
//Token creation
_createStartTagToken() {
this.currentToken = {
type: TokenType.START_TAG,
tagName: '',
tagID: TAG_ID.UNKNOWN,
selfClosing: false,
ackSelfClosing: false,
attrs: [],
location: this.getCurrentLocation(1),
};
}
_createEndTagToken() {
this.currentToken = {
type: TokenType.END_TAG,
tagName: '',
tagID: TAG_ID.UNKNOWN,
selfClosing: false,
ackSelfClosing: false,
attrs: [],
location: this.getCurrentLocation(2),
};
}
_createCommentToken(offset) {
this.currentToken = {
type: TokenType.COMMENT,
data: '',
location: this.getCurrentLocation(offset),
};
}
_createDoctypeToken(initialName) {
this.currentToken = {
type: TokenType.DOCTYPE,
name: initialName,
forceQuirks: false,
publicId: null,
systemId: null,
location: this.currentLocation,
};
}
_createCharacterToken(type, chars) {
this.currentCharacterToken = {
type,
chars,
location: this.currentLocation,
};
}
//Tag attributes
_createAttr(attrNameFirstCh) {
this.currentAttr = {
name: attrNameFirstCh,
value: '',
};
this.currentLocation = this.getCurrentLocation(0);
}
_leaveAttrName() {
var _a;
var _b;
const token = this.currentToken;
if (getTokenAttr(token, this.currentAttr.name) === null) {
token.attrs.push(this.currentAttr);
if (token.location && this.currentLocation) {
const attrLocations = ((_a = (_b = token.location).attrs) !== null && _a !== void 0 ? _a : (_b.attrs = Object.create(null)));
attrLocations[this.currentAttr.name] = this.currentLocation;
// Set end location
this._leaveAttrValue();
}
}
else {
this._err(ERR.duplicateAttribute);
}
}
_leaveAttrValue() {
if (this.currentLocation) {
this.currentLocation.endLine = this.preprocessor.line;
this.currentLocation.endCol = this.preprocessor.col;
this.currentLocation.endOffset = this.preprocessor.offset;
}
}
//Token emission
prepareToken(ct) {
this._emitCurrentCharacterToken(ct.location);
this.currentToken = null;
if (ct.location) {
ct.location.endLine = this.preprocessor.line;
ct.location.endCol = this.preprocessor.col + 1;
ct.location.endOffset = this.preprocessor.offset + 1;
}
this.currentLocation = this.getCurrentLocation(-1);
}
emitCurrentTagToken() {
const ct = this.currentToken;
this.prepareToken(ct);
ct.tagID = getTagID(ct.tagName);
if (ct.type === TokenType.START_TAG) {
this.lastStartTagName = ct.tagName;
this.handler.onStartTag(ct);
}
else {
if (ct.attrs.length > 0) {
this._err(ERR.endTagWithAttributes);
}
if (ct.selfClosing) {
this._err(ERR.endTagWithTrailingSolidus);
}
this.handler.onEndTag(ct);
}
this.preprocessor.dropParsedChunk();
}
emitCurrentComment(ct) {
this.prepareToken(ct);
this.handler.onComment(ct);
this.preprocessor.dropParsedChunk();
}
emitCurrentDoctype(ct) {
this.prepareToken(ct);
this.handler.onDoctype(ct);
this.preprocessor.dropParsedChunk();
}
_emitCurrentCharacterToken(nextLocation) {
if (this.currentCharacterToken) {
//NOTE: if we have a pending character token, make it's end location equal to the
//current token's start location.
if (nextLocation && this.currentCharacterToken.location) {
this.currentCharacterToken.location.endLine = nextLocation.startLine;
this.currentCharacterToken.location.endCol = nextLocation.startCol;
this.currentCharacterToken.location.endOffset = nextLocation.startOffset;
}
switch (this.currentCharacterToken.type) {
case TokenType.CHARACTER: {
this.handler.onCharacter(this.currentCharacterToken);
break;
}
case TokenType.NULL_CHARACTER: {
this.handler.onNullCharacter(this.currentCharacterToken);
break;
}
case TokenType.WHITESPACE_CHARACTER: {
this.handler.onWhitespaceCharacter(this.currentCharacterToken);
break;
}
}
this.currentCharacterToken = null;
}
}
_emitEOFToken() {
const location = this.getCurrentLocation(0);
if (location) {
location.endLine = location.startLine;
location.endCol = location.startCol;
location.endOffset = location.startOffset;
}
this._emitCurrentCharacterToken(location);
this.handler.onEof({ type: TokenType.EOF, location });
this.active = false;
}
//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, the parser can process it
//as a single solid character token.
//So, there are 3 types of character tokens in parse5:
//1)TokenType.NULL_CHARACTER - \u0000-character sequences (e.g. '\u0000\u0000\u0000')
//2)TokenType.WHITESPACE_CHARACTER - any whitespace/new-line character sequences (e.g. '\n \r\t \f')
//3)TokenType.CHARACTER - any character sequence which don't belong to groups 1 and 2 (e.g. 'abcdef1234@@#$%^')
_appendCharToCurrentCharacterToken(type, ch) {
if (this.currentCharacterToken) {
if (this.currentCharacterToken.type !== type) {
this.currentLocation = this.getCurrentLocation(0);
this._emitCurrentCharacterToken(this.currentLocation);
this.preprocessor.dropParsedChunk();
}
else {
this.currentCharacterToken.chars += ch;
return;
}
}
this._createCharacterToken(type, ch);
}
_emitCodePoint(cp) {
const type = isWhitespace(cp)
? TokenType.WHITESPACE_CHARACTER
: cp === CODE_POINTS.NULL
? TokenType.NULL_CHARACTER
: TokenType.CHARACTER;
this._appendCharToCurrentCharacterToken(type, String.fromCodePoint(cp));
}
//NOTE: used when we emit characters explicitly.
//This is always for non-whitespace and non-null characters, which allows us to avoid additional checks.
_emitChars(ch) {
this._appendCharToCurrentCharacterToken(TokenType.CHARACTER, ch);
}
// Character reference helpers
_matchNamedCharacterReference(cp) {
let result = null;
let excess = 0;
let withoutSemicolon = false;
for (let i = 0, current = htmlDecodeTree[0]; i >= 0; cp = this._consume()) {
i = determineBranch(htmlDecodeTree, current, i + 1, cp);
if (i < 0)
break;
excess += 1;
current = htmlDecodeTree[i];
const masked = current & BinTrieFlags.VALUE_LENGTH;
// If the branch is a value, store it and continue
if (masked) {
// The mask is the number of bytes of the value, including the current byte.
const valueLength = (masked >> 14) - 1;
// Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
// See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
if (cp !== CODE_POINTS.SEMICOLON &&
this._isCharacterReferenceInAttribute() &&
isEntityInAttributeInvalidEnd(this.preprocessor.peek(1))) {
//NOTE: we don't flush all consumed code points here, and instead switch back to the original state after
//emitting an ampersand. This is fine, as alphanumeric characters won't be parsed differently in attributes.
result = [CODE_POINTS.AMPERSAND];
// Skip over the value.
i += valueLength;
}
else {
// If this is a surrogate pair, consume the next two bytes.
result =
valueLength === 0
? [htmlDecodeTree[i] & ~BinTrieFlags.VALUE_LENGTH]
: valueLength === 1
? [htmlDecodeTree[++i]]
: [htmlDecodeTree[++i], htmlDecodeTree[++i]];
excess = 0;
withoutSemicolon = cp !== CODE_POINTS.SEMICOLON;
}
if (valueLength === 0) {
// If the value is zero-length, we're done.
this._consume();
break;
}
}
}
this._unconsume(excess);
if (withoutSemicolon && !this.preprocessor.endOfChunkHit) {
this._err(ERR.missingSemicolonAfterCharacterReference);
}
// We want to emit the error above on the code point after the entity.
// We always consume one code point too many in the loop, and we wait to
// unconsume it until after the error is emitted.
this._unconsume(1);
return result;
}
_isCharacterReferenceInAttribute() {
return (this.returnState === State.ATTRIBUTE_VALUE_DOUBLE_QUOTED ||
this.returnState === State.ATTRIBUTE_VALUE_SINGLE_QUOTED ||
this.returnState === State.ATTRIBUTE_VALUE_UNQUOTED);
}
_flushCodePointConsumedAsCharacterReference(cp) {
if (this._isCharacterReferenceInAttribute()) {
this.currentAttr.value += String.fromCodePoint(cp);
}
else {
this._emitCodePoint(cp);
}
}
// Calling states this way turns out to be much faster than any other approach.
_callState(cp) {
switch (this.state) {
case State.DATA: {
this._stateData(cp);
break;
}
case State.RCDATA: {
this._stateRcdata(cp);
break;
}
case State.RAWTEXT: {
this._stateRawtext(cp);
break;
}
case State.SCRIPT_DATA: {
this._stateScriptData(cp);
break;
}
case State.PLAINTEXT: {
this._statePlaintext(cp);
break;
}
case State.TAG_OPEN: {
this._stateTagOpen(cp);
break;
}
case State.END_TAG_OPEN: {
this._stateEndTagOpen(cp);
break;
}
case State.TAG_NAME: {
this._stateTagName(cp);
break;
}
case State.RCDATA_LESS_THAN_SIGN: {
this._stateRcdataLessThanSign(cp);
break;
}
case State.RCDATA_END_TAG_OPEN: {
this._stateRcdataEndTagOpen(cp);
break;
}
case State.RCDATA_END_TAG_NAME: {
this._stateRcdataEndTagName(cp);
break;
}
case State.RAWTEXT_LESS_THAN_SIGN: {
this._stateRawtextLessThanSign(cp);
break;
}
case State.RAWTEXT_END_TAG_OPEN: {
this._stateRawtextEndTagOpen(cp);
break;
}
case State.RAWTEXT_END_TAG_NAME: {
this._stateRawtextEndTagName(cp);
break;
}
case State.SCRIPT_DATA_LESS_THAN_SIGN: {
this._stateScriptDataLessThanSign(cp);
break;
}
case State.SCRIPT_DATA_END_TAG_OPEN: {
this._stateScriptDataEndTagOpen(cp);
break;
}
case State.SCRIPT_DATA_END_TAG_NAME: {
this._stateScriptDataEndTagName(cp);
break;
}
case State.SCRIPT_DATA_ESCAPE_START: {
this._stateScriptDataEscapeStart(cp);
break;
}
case State.SCRIPT_DATA_ESCAPE_START_DASH: {
this._stateScriptDataEscapeStartDash(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED: {
this._stateScriptDataEscaped(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED_DASH: {
this._stateScriptDataEscapedDash(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED_DASH_DASH: {
this._stateScriptDataEscapedDashDash(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN: {
this._stateScriptDataEscapedLessThanSign(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN: {
this._stateScriptDataEscapedEndTagOpen(cp);
break;
}
case State.SCRIPT_DATA_ESCAPED_END_TAG_NAME: {
this._stateScriptDataEscapedEndTagName(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPE_START: {
this._stateScriptDataDoubleEscapeStart(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPED: {
this._stateScriptDataDoubleEscaped(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH: {
this._stateScriptDataDoubleEscapedDash(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH: {
this._stateScriptDataDoubleEscapedDashDash(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN: {
this._stateScriptDataDoubleEscapedLessThanSign(cp);
break;
}
case State.SCRIPT_DATA_DOUBLE_ESCAPE_END: {
this._stateScriptDataDoubleEscapeEnd(cp);
break;
}
case State.BEFORE_ATTRIBUTE_NAME: {
this._stateBeforeAttributeName(cp);
break;
}
case State.ATTRIBUTE_NAME: {
this._stateAttributeName(cp);
break;
}
case State.AFTER_ATTRIBUTE_NAME: {
this._stateAfterAttributeName(cp);
break;
}
case State.BEFORE_ATTRIBUTE_VALUE: {
this._stateBeforeAttributeValue(cp);
break;
}
case State.ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
this._stateAttributeValueDoubleQuoted(cp);
break;
}
case State.ATTRIBUTE_VALUE_SINGLE_QUOTED: {
this._stateAttributeValueSingleQuoted(cp);
break;
}
case State.ATTRIBUTE_VALUE_UNQUOTED: {
this._stateAttributeValueUnquoted(cp);
break;
}
case State.AFTER_ATTRIBUTE_VALUE_QUOTED: {
this._stateAfterAttributeValueQuoted(cp);
break;
}
case State.SELF_CLOSING_START_TAG: {
this._stateSelfClosingStartTag(cp);
break;
}
case State.BOGUS_COMMENT: {
this._stateBogusComment(cp);
break;
}
case State.MARKUP_DECLARATION_OPEN: {
this._stateMarkupDeclarationOpen(cp);
break;
}
case State.COMMENT_START: {
this._stateCommentStart(cp);
break;
}
case State.COMMENT_START_DASH: {
this._stateCommentStartDash(cp);
break;
}
case State.COMMENT: {
this._stateComment(cp);
break;
}
case State.COMMENT_LESS_THAN_SIGN: {
this._stateCommentLessThanSign(cp);
break;
}
case State.COMMENT_LESS_THAN_SIGN_BANG: {
this._stateCommentLessThanSignBang(cp);
break;
}
case State.COMMENT_LESS_THAN_SIGN_BANG_DASH: {
this._stateCommentLessThanSignBangDash(cp);
break;
}
case State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH: {
this._stateCommentLessThanSignBangDashDash(cp);
break;
}
case State.COMMENT_END_DASH: {
this._stateCommentEndDash(cp);
break;
}
case State.COMMENT_END: {
this._stateCommentEnd(cp);
break;
}
case State.COMMENT_END_BANG: {
this._stateCommentEndBang(cp);
break;
}
case State.DOCTYPE: {
this._stateDoctype(cp);
break;
}
case State.BEFORE_DOCTYPE_NAME: {
this._stateBeforeDoctypeName(cp);
break;
}
case State.DOCTYPE_NAME: {
this._stateDoctypeName(cp);
break;
}
case State.AFTER_DOCTYPE_NAME: {
this._stateAfterDoctypeName(cp);
break;
}
case State.AFTER_DOCTYPE_PUBLIC_KEYWORD: {
this._stateAfterDoctypePublicKeyword(cp);
break;
}
case State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER: {
this._stateBeforeDoctypePublicIdentifier(cp);
break;
}
case State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED: {
this._stateDoctypePublicIdentifierDoubleQuoted(cp);
break;
}
case State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED: {
this._stateDoctypePublicIdentifierSingleQuoted(cp);
break;
}
case State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER: {
this._stateAfterDoctypePublicIdentifier(cp);
break;
}
case State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS: {
this._stateBetweenDoctypePublicAndSystemIdentifiers(cp);
break;
}
case State.AFTER_DOCTYPE_SYSTEM_KEYWORD: {
this._stateAfterDoctypeSystemKeyword(cp);
break;
}
case State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER: {
this._stateBeforeDoctypeSystemIdentifier(cp);
break;
}
case State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED: {
this._stateDoctypeSystemIdentifierDoubleQuoted(cp);
break;
}
case State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED: {
this._stateDoctypeSystemIdentifierSingleQuoted(cp);
break;
}
case State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER: {
this._stateAfterDoctypeSystemIdentifier(cp);
break;
}
case State.BOGUS_DOCTYPE: {
this._stateBogusDoctype(cp);
break;
}
case State.CDATA_SECTION: {
this._stateCdataSection(cp);
break;
}
case State.CDATA_SECTION_BRACKET: {
this._stateCdataSectionBracket(cp);
break;
}
case State.CDATA_SECTION_END: {
this._stateCdataSectionEnd(cp);
break;
}
case State.CHARACTER_REFERENCE: {
this._stateCharacterReference(cp);
break;
}
case State.NAMED_CHARACTER_REFERENCE: {
this._stateNamedCharacterReference(cp);
break;
}
case State.AMBIGUOUS_AMPERSAND: {
this._stateAmbiguousAmpersand(cp);
break;
}
case State.NUMERIC_CHARACTER_REFERENCE: {
this._stateNumericCharacterReference(cp);
break;
}
case State.HEXADEMICAL_CHARACTER_REFERENCE_START: {
this._stateHexademicalCharacterReferenceStart(cp);
break;
}
case State.HEXADEMICAL_CHARACTER_REFERENCE: {
this._stateHexademicalCharacterReference(cp);
break;
}
case State.DECIMAL_CHARACTER_REFERENCE: {
this._stateDecimalCharacterReference(cp);
break;
}
case State.NUMERIC_CHARACTER_REFERENCE_END: {
this._stateNumericCharacterReferenceEnd(cp);
break;
}
default: {
throw new Error('Unknown state');
}
}
}
// State machine
// Data state
//------------------------------------------------------------------
_stateData(cp) {
switch (cp) {
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.TAG_OPEN;
break;
}
case CODE_POINTS.AMPERSAND: {
this.returnState = State.DATA;
this.state = State.CHARACTER_REFERENCE;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitCodePoint(cp);
break;
}
case CODE_POINTS.EOF: {
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// RCDATA state
//------------------------------------------------------------------
_stateRcdata(cp) {
switch (cp) {
case CODE_POINTS.AMPERSAND: {
this.returnState = State.RCDATA;
this.state = State.CHARACTER_REFERENCE;
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.RCDATA_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// RAWTEXT state
//------------------------------------------------------------------
_stateRawtext(cp) {
switch (cp) {
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.RAWTEXT_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// Script data state
//------------------------------------------------------------------
_stateScriptData(cp) {
switch (cp) {
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// PLAINTEXT state
//------------------------------------------------------------------
_statePlaintext(cp) {
switch (cp) {
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// Tag open state
//------------------------------------------------------------------
_stateTagOpen(cp) {
if (isAsciiLetter(cp)) {
this._createStartTagToken();
this.state = State.TAG_NAME;
this._stateTagName(cp);
}
else
switch (cp) {
case CODE_POINTS.EXCLAMATION_MARK: {
this.state = State.MARKUP_DECLARATION_OPEN;
break;
}
case CODE_POINTS.SOLIDUS: {
this.state = State.END_TAG_OPEN;
break;
}
case CODE_POINTS.QUESTION_MARK: {
this._err(ERR.unexpectedQuestionMarkInsteadOfTagName);
this._createCommentToken(1);
this.state = State.BOGUS_COMMENT;
this._stateBogusComment(cp);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofBeforeTagName);
this._emitChars('<');
this._emitEOFToken();
break;
}
default: {
this._err(ERR.invalidFirstCharacterOfTagName);
this._emitChars('<');
this.state = State.DATA;
this._stateData(cp);
}
}
}
// End tag open state
//------------------------------------------------------------------
_stateEndTagOpen(cp) {
if (isAsciiLetter(cp)) {
this._createEndTagToken();
this.state = State.TAG_NAME;
this._stateTagName(cp);
}
else
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingEndTagName);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofBeforeTagName);
this._emitChars('</');
this._emitEOFToken();
break;
}
default: {
this._err(ERR.invalidFirstCharacterOfTagName);
this._createCommentToken(2);
this.state = State.BOGUS_COMMENT;
this._stateBogusComment(cp);
}
}
}
// Tag name state
//------------------------------------------------------------------
_stateTagName(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.BEFORE_ATTRIBUTE_NAME;
break;
}
case CODE_POINTS.SOLIDUS: {
this.state = State.SELF_CLOSING_START_TAG;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.tagName += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
token.tagName += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
}
}
}
// RCDATA less-than sign state
//------------------------------------------------------------------
_stateRcdataLessThanSign(cp) {
if (cp === CODE_POINTS.SOLIDUS) {
this.state = State.RCDATA_END_TAG_OPEN;
}
else {
this._emitChars('<');
this.state = State.RCDATA;
this._stateRcdata(cp);
}
}
// RCDATA end tag open state
//------------------------------------------------------------------
_stateRcdataEndTagOpen(cp) {
if (isAsciiLetter(cp)) {
this.state = State.RCDATA_END_TAG_NAME;
this._stateRcdataEndTagName(cp);
}
else {
this._emitChars('</');
this.state = State.RCDATA;
this._stateRcdata(cp);
}
}
handleSpecialEndTag(_cp) {
if (!this.preprocessor.startsWith(this.lastStartTagName, false)) {
return !this._ensureHibernation();
}
this._createEndTagToken();
const token = this.currentToken;
token.tagName = this.lastStartTagName;
const cp = this.preprocessor.peek(this.lastStartTagName.length);
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this._advanceBy(this.lastStartTagName.length);
this.state = State.BEFORE_ATTRIBUTE_NAME;
return false;
}
case CODE_POINTS.SOLIDUS: {
this._advanceBy(this.lastStartTagName.length);
this.state = State.SELF_CLOSING_START_TAG;
return false;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._advanceBy(this.lastStartTagName.length);
this.emitCurrentTagToken();
this.state = State.DATA;
return false;
}
default: {
return !this._ensureHibernation();
}
}
}
// RCDATA end tag name state
//------------------------------------------------------------------
_stateRcdataEndTagName(cp) {
if (this.handleSpecialEndTag(cp)) {
this._emitChars('</');
this.state = State.RCDATA;
this._stateRcdata(cp);
}
}
// RAWTEXT less-than sign state
//------------------------------------------------------------------
_stateRawtextLessThanSign(cp) {
if (cp === CODE_POINTS.SOLIDUS) {
this.state = State.RAWTEXT_END_TAG_OPEN;
}
else {
this._emitChars('<');
this.state = State.RAWTEXT;
this._stateRawtext(cp);
}
}
// RAWTEXT end tag open state
//------------------------------------------------------------------
_stateRawtextEndTagOpen(cp) {
if (isAsciiLetter(cp)) {
this.state = State.RAWTEXT_END_TAG_NAME;
this._stateRawtextEndTagName(cp);
}
else {
this._emitChars('</');
this.state = State.RAWTEXT;
this._stateRawtext(cp);
}
}
// RAWTEXT end tag name state
//------------------------------------------------------------------
_stateRawtextEndTagName(cp) {
if (this.handleSpecialEndTag(cp)) {
this._emitChars('</');
this.state = State.RAWTEXT;
this._stateRawtext(cp);
}
}
// Script data less-than sign state
//------------------------------------------------------------------
_stateScriptDataLessThanSign(cp) {
switch (cp) {
case CODE_POINTS.SOLIDUS: {
this.state = State.SCRIPT_DATA_END_TAG_OPEN;
break;
}
case CODE_POINTS.EXCLAMATION_MARK: {
this.state = State.SCRIPT_DATA_ESCAPE_START;
this._emitChars('<!');
break;
}
default: {
this._emitChars('<');
this.state = State.SCRIPT_DATA;
this._stateScriptData(cp);
}
}
}
// Script data end tag open state
//------------------------------------------------------------------
_stateScriptDataEndTagOpen(cp) {
if (isAsciiLetter(cp)) {
this.state = State.SCRIPT_DATA_END_TAG_NAME;
this._stateScriptDataEndTagName(cp);
}
else {
this._emitChars('</');
this.state = State.SCRIPT_DATA;
this._stateScriptData(cp);
}
}
// Script data end tag name state
//------------------------------------------------------------------
_stateScriptDataEndTagName(cp) {
if (this.handleSpecialEndTag(cp)) {
this._emitChars('</');
this.state = State.SCRIPT_DATA;
this._stateScriptData(cp);
}
}
// Script data escape start state
//------------------------------------------------------------------
_stateScriptDataEscapeStart(cp) {
if (cp === CODE_POINTS.HYPHEN_MINUS) {
this.state = State.SCRIPT_DATA_ESCAPE_START_DASH;
this._emitChars('-');
}
else {
this.state = State.SCRIPT_DATA;
this._stateScriptData(cp);
}
}
// Script data escape start dash state
//------------------------------------------------------------------
_stateScriptDataEscapeStartDash(cp) {
if (cp === CODE_POINTS.HYPHEN_MINUS) {
this.state = State.SCRIPT_DATA_ESCAPED_DASH_DASH;
this._emitChars('-');
}
else {
this.state = State.SCRIPT_DATA;
this._stateScriptData(cp);
}
}
// Script data escaped state
//------------------------------------------------------------------
_stateScriptDataEscaped(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.SCRIPT_DATA_ESCAPED_DASH;
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// Script data escaped dash state
//------------------------------------------------------------------
_stateScriptDataEscapedDash(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.SCRIPT_DATA_ESCAPED_DASH_DASH;
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.state = State.SCRIPT_DATA_ESCAPED;
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this.state = State.SCRIPT_DATA_ESCAPED;
this._emitCodePoint(cp);
}
}
}
// Script data escaped dash dash state
//------------------------------------------------------------------
_stateScriptDataEscapedDashDash(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.SCRIPT_DATA;
this._emitChars('>');
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.state = State.SCRIPT_DATA_ESCAPED;
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this.state = State.SCRIPT_DATA_ESCAPED;
this._emitCodePoint(cp);
}
}
}
// Script data escaped less-than sign state
//------------------------------------------------------------------
_stateScriptDataEscapedLessThanSign(cp) {
if (cp === CODE_POINTS.SOLIDUS) {
this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN;
}
else if (isAsciiLetter(cp)) {
this._emitChars('<');
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_START;
this._stateScriptDataDoubleEscapeStart(cp);
}
else {
this._emitChars('<');
this.state = State.SCRIPT_DATA_ESCAPED;
this._stateScriptDataEscaped(cp);
}
}
// Script data escaped end tag open state
//------------------------------------------------------------------
_stateScriptDataEscapedEndTagOpen(cp) {
if (isAsciiLetter(cp)) {
this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_NAME;
this._stateScriptDataEscapedEndTagName(cp);
}
else {
this._emitChars('</');
this.state = State.SCRIPT_DATA_ESCAPED;
this._stateScriptDataEscaped(cp);
}
}
// Script data escaped end tag name state
//------------------------------------------------------------------
_stateScriptDataEscapedEndTagName(cp) {
if (this.handleSpecialEndTag(cp)) {
this._emitChars('</');
this.state = State.SCRIPT_DATA_ESCAPED;
this._stateScriptDataEscaped(cp);
}
}
// Script data double escape start state
//------------------------------------------------------------------
_stateScriptDataDoubleEscapeStart(cp) {
if (this.preprocessor.startsWith(SEQUENCES.SCRIPT, false) &&
isScriptDataDoubleEscapeSequenceEnd(this.preprocessor.peek(SEQUENCES.SCRIPT.length))) {
this._emitCodePoint(cp);
for (let i = 0; i < SEQUENCES.SCRIPT.length; i++) {
this._emitCodePoint(this._consume());
}
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
}
else if (!this._ensureHibernation()) {
this.state = State.SCRIPT_DATA_ESCAPED;
this._stateScriptDataEscaped(cp);
}
}
// Script data double escaped state
//------------------------------------------------------------------
_stateScriptDataDoubleEscaped(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH;
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
this._emitChars('<');
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// Script data double escaped dash state
//------------------------------------------------------------------
_stateScriptDataDoubleEscapedDash(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH;
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
this._emitChars('<');
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._emitCodePoint(cp);
}
}
}
// Script data double escaped dash dash state
//------------------------------------------------------------------
_stateScriptDataDoubleEscapedDashDash(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this._emitChars('-');
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
this._emitChars('<');
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.SCRIPT_DATA;
this._emitChars('>');
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._emitChars(REPLACEMENT_CHARACTER);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInScriptHtmlCommentLikeText);
this._emitEOFToken();
break;
}
default: {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._emitCodePoint(cp);
}
}
}
// Script data double escaped less-than sign state
//------------------------------------------------------------------
_stateScriptDataDoubleEscapedLessThanSign(cp) {
if (cp === CODE_POINTS.SOLIDUS) {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_END;
this._emitChars('/');
}
else {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._stateScriptDataDoubleEscaped(cp);
}
}
// Script data double escape end state
//------------------------------------------------------------------
_stateScriptDataDoubleEscapeEnd(cp) {
if (this.preprocessor.startsWith(SEQUENCES.SCRIPT, false) &&
isScriptDataDoubleEscapeSequenceEnd(this.preprocessor.peek(SEQUENCES.SCRIPT.length))) {
this._emitCodePoint(cp);
for (let i = 0; i < SEQUENCES.SCRIPT.length; i++) {
this._emitCodePoint(this._consume());
}
this.state = State.SCRIPT_DATA_ESCAPED;
}
else if (!this._ensureHibernation()) {
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
this._stateScriptDataDoubleEscaped(cp);
}
}
// Before attribute name state
//------------------------------------------------------------------
_stateBeforeAttributeName(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.SOLIDUS:
case CODE_POINTS.GREATER_THAN_SIGN:
case CODE_POINTS.EOF: {
this.state = State.AFTER_ATTRIBUTE_NAME;
this._stateAfterAttributeName(cp);
break;
}
case CODE_POINTS.EQUALS_SIGN: {
this._err(ERR.unexpectedEqualsSignBeforeAttributeName);
this._createAttr('=');
this.state = State.ATTRIBUTE_NAME;
break;
}
default: {
this._createAttr('');
this.state = State.ATTRIBUTE_NAME;
this._stateAttributeName(cp);
}
}
}
// Attribute name state
//------------------------------------------------------------------
_stateAttributeName(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED:
case CODE_POINTS.SOLIDUS:
case CODE_POINTS.GREATER_THAN_SIGN:
case CODE_POINTS.EOF: {
this._leaveAttrName();
this.state = State.AFTER_ATTRIBUTE_NAME;
this._stateAfterAttributeName(cp);
break;
}
case CODE_POINTS.EQUALS_SIGN: {
this._leaveAttrName();
this.state = State.BEFORE_ATTRIBUTE_VALUE;
break;
}
case CODE_POINTS.QUOTATION_MARK:
case CODE_POINTS.APOSTROPHE:
case CODE_POINTS.LESS_THAN_SIGN: {
this._err(ERR.unexpectedCharacterInAttributeName);
this.currentAttr.name += String.fromCodePoint(cp);
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.currentAttr.name += REPLACEMENT_CHARACTER;
break;
}
default: {
this.currentAttr.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
}
}
}
// After attribute name state
//------------------------------------------------------------------
_stateAfterAttributeName(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.SOLIDUS: {
this.state = State.SELF_CLOSING_START_TAG;
break;
}
case CODE_POINTS.EQUALS_SIGN: {
this.state = State.BEFORE_ATTRIBUTE_VALUE;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this._createAttr('');
this.state = State.ATTRIBUTE_NAME;
this._stateAttributeName(cp);
}
}
}
// Before attribute value state
//------------------------------------------------------------------
_stateBeforeAttributeValue(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.QUOTATION_MARK: {
this.state = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
this.state = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingAttributeValue);
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
default: {
this.state = State.ATTRIBUTE_VALUE_UNQUOTED;
this._stateAttributeValueUnquoted(cp);
}
}
}
// Attribute value (double-quoted) state
//------------------------------------------------------------------
_stateAttributeValueDoubleQuoted(cp) {
switch (cp) {
case CODE_POINTS.QUOTATION_MARK: {
this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;
break;
}
case CODE_POINTS.AMPERSAND: {
this.returnState = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;
this.state = State.CHARACTER_REFERENCE;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.currentAttr.value += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this.currentAttr.value += String.fromCodePoint(cp);
}
}
}
// Attribute value (single-quoted) state
//------------------------------------------------------------------
_stateAttributeValueSingleQuoted(cp) {
switch (cp) {
case CODE_POINTS.APOSTROPHE: {
this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;
break;
}
case CODE_POINTS.AMPERSAND: {
this.returnState = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;
this.state = State.CHARACTER_REFERENCE;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.currentAttr.value += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this.currentAttr.value += String.fromCodePoint(cp);
}
}
}
// Attribute value (unquoted) state
//------------------------------------------------------------------
_stateAttributeValueUnquoted(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this._leaveAttrValue();
this.state = State.BEFORE_ATTRIBUTE_NAME;
break;
}
case CODE_POINTS.AMPERSAND: {
this.returnState = State.ATTRIBUTE_VALUE_UNQUOTED;
this.state = State.CHARACTER_REFERENCE;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._leaveAttrValue();
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this.currentAttr.value += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.QUOTATION_MARK:
case CODE_POINTS.APOSTROPHE:
case CODE_POINTS.LESS_THAN_SIGN:
case CODE_POINTS.EQUALS_SIGN:
case CODE_POINTS.GRAVE_ACCENT: {
this._err(ERR.unexpectedCharacterInUnquotedAttributeValue);
this.currentAttr.value += String.fromCodePoint(cp);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this.currentAttr.value += String.fromCodePoint(cp);
}
}
}
// After attribute value (quoted) state
//------------------------------------------------------------------
_stateAfterAttributeValueQuoted(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this._leaveAttrValue();
this.state = State.BEFORE_ATTRIBUTE_NAME;
break;
}
case CODE_POINTS.SOLIDUS: {
this._leaveAttrValue();
this.state = State.SELF_CLOSING_START_TAG;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._leaveAttrValue();
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingWhitespaceBetweenAttributes);
this.state = State.BEFORE_ATTRIBUTE_NAME;
this._stateBeforeAttributeName(cp);
}
}
}
// Self-closing start tag state
//------------------------------------------------------------------
_stateSelfClosingStartTag(cp) {
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
const token = this.currentToken;
token.selfClosing = true;
this.state = State.DATA;
this.emitCurrentTagToken();
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInTag);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.unexpectedSolidusInTag);
this.state = State.BEFORE_ATTRIBUTE_NAME;
this._stateBeforeAttributeName(cp);
}
}
}
// Bogus comment state
//------------------------------------------------------------------
_stateBogusComment(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentComment(token);
break;
}
case CODE_POINTS.EOF: {
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.data += REPLACEMENT_CHARACTER;
break;
}
default: {
token.data += String.fromCodePoint(cp);
}
}
}
// Markup declaration open state
//------------------------------------------------------------------
_stateMarkupDeclarationOpen(cp) {
if (this._consumeSequenceIfMatch(SEQUENCES.DASH_DASH, true)) {
this._createCommentToken(SEQUENCES.DASH_DASH.length + 1);
this.state = State.COMMENT_START;
}
else if (this._consumeSequenceIfMatch(SEQUENCES.DOCTYPE, false)) {
// NOTE: Doctypes tokens are created without fixed offsets. We keep track of the moment a doctype *might* start here.
this.currentLocation = this.getCurrentLocation(SEQUENCES.DOCTYPE.length + 1);
this.state = State.DOCTYPE;
}
else if (this._consumeSequenceIfMatch(SEQUENCES.CDATA_START, true)) {
if (this.inForeignNode) {
this.state = State.CDATA_SECTION;
}
else {
this._err(ERR.cdataInHtmlContent);
this._createCommentToken(SEQUENCES.CDATA_START.length + 1);
this.currentToken.data = '[CDATA[';
this.state = State.BOGUS_COMMENT;
}
}
//NOTE: Sequence lookups 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(2);
this.state = State.BOGUS_COMMENT;
this._stateBogusComment(cp);
}
}
// Comment start state
//------------------------------------------------------------------
_stateCommentStart(cp) {
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.COMMENT_START_DASH;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptClosingOfEmptyComment);
this.state = State.DATA;
const token = this.currentToken;
this.emitCurrentComment(token);
break;
}
default: {
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// Comment start dash state
//------------------------------------------------------------------
_stateCommentStartDash(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.COMMENT_END;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptClosingOfEmptyComment);
this.state = State.DATA;
this.emitCurrentComment(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInComment);
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
default: {
token.data += '-';
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// Comment state
//------------------------------------------------------------------
_stateComment(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.COMMENT_END_DASH;
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
token.data += '<';
this.state = State.COMMENT_LESS_THAN_SIGN;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.data += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInComment);
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
default: {
token.data += String.fromCodePoint(cp);
}
}
}
// Comment less-than sign state
//------------------------------------------------------------------
_stateCommentLessThanSign(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.EXCLAMATION_MARK: {
token.data += '!';
this.state = State.COMMENT_LESS_THAN_SIGN_BANG;
break;
}
case CODE_POINTS.LESS_THAN_SIGN: {
token.data += '<';
break;
}
default: {
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// Comment less-than sign bang state
//------------------------------------------------------------------
_stateCommentLessThanSignBang(cp) {
if (cp === CODE_POINTS.HYPHEN_MINUS) {
this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH;
}
else {
this.state = State.COMMENT;
this._stateComment(cp);
}
}
// Comment less-than sign bang dash state
//------------------------------------------------------------------
_stateCommentLessThanSignBangDash(cp) {
if (cp === CODE_POINTS.HYPHEN_MINUS) {
this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH;
}
else {
this.state = State.COMMENT_END_DASH;
this._stateCommentEndDash(cp);
}
}
// Comment less-than sign bang dash dash state
//------------------------------------------------------------------
_stateCommentLessThanSignBangDashDash(cp) {
if (cp !== CODE_POINTS.GREATER_THAN_SIGN && cp !== CODE_POINTS.EOF) {
this._err(ERR.nestedComment);
}
this.state = State.COMMENT_END;
this._stateCommentEnd(cp);
}
// Comment end dash state
//------------------------------------------------------------------
_stateCommentEndDash(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
this.state = State.COMMENT_END;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInComment);
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
default: {
token.data += '-';
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// Comment end state
//------------------------------------------------------------------
_stateCommentEnd(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentComment(token);
break;
}
case CODE_POINTS.EXCLAMATION_MARK: {
this.state = State.COMMENT_END_BANG;
break;
}
case CODE_POINTS.HYPHEN_MINUS: {
token.data += '-';
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInComment);
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
default: {
token.data += '--';
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// Comment end bang state
//------------------------------------------------------------------
_stateCommentEndBang(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.HYPHEN_MINUS: {
token.data += '--!';
this.state = State.COMMENT_END_DASH;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.incorrectlyClosedComment);
this.state = State.DATA;
this.emitCurrentComment(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInComment);
this.emitCurrentComment(token);
this._emitEOFToken();
break;
}
default: {
token.data += '--!';
this.state = State.COMMENT;
this._stateComment(cp);
}
}
}
// DOCTYPE state
//------------------------------------------------------------------
_stateDoctype(cp) {
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.BEFORE_DOCTYPE_NAME;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.BEFORE_DOCTYPE_NAME;
this._stateBeforeDoctypeName(cp);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
this._createDoctypeToken(null);
const token = this.currentToken;
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingWhitespaceBeforeDoctypeName);
this.state = State.BEFORE_DOCTYPE_NAME;
this._stateBeforeDoctypeName(cp);
}
}
}
// Before DOCTYPE name state
//------------------------------------------------------------------
_stateBeforeDoctypeName(cp) {
if (isAsciiUpper(cp)) {
this._createDoctypeToken(String.fromCharCode(toAsciiLower(cp)));
this.state = State.DOCTYPE_NAME;
}
else
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
this._createDoctypeToken(REPLACEMENT_CHARACTER);
this.state = State.DOCTYPE_NAME;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingDoctypeName);
this._createDoctypeToken(null);
const token = this.currentToken;
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
this._createDoctypeToken(null);
const token = this.currentToken;
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._createDoctypeToken(String.fromCodePoint(cp));
this.state = State.DOCTYPE_NAME;
}
}
}
// DOCTYPE name state
//------------------------------------------------------------------
_stateDoctypeName(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.AFTER_DOCTYPE_NAME;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.name += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
token.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
}
}
}
// After DOCTYPE name state
//------------------------------------------------------------------
_stateAfterDoctypeName(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
if (this._consumeSequenceIfMatch(SEQUENCES.PUBLIC, false)) {
this.state = State.AFTER_DOCTYPE_PUBLIC_KEYWORD;
}
else if (this._consumeSequenceIfMatch(SEQUENCES.SYSTEM, false)) {
this.state = State.AFTER_DOCTYPE_SYSTEM_KEYWORD;
}
//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);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
}
// After DOCTYPE public keyword state
//------------------------------------------------------------------
_stateAfterDoctypePublicKeyword(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER;
break;
}
case CODE_POINTS.QUOTATION_MARK: {
this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
token.publicId = '';
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
token.publicId = '';
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingDoctypePublicIdentifier);
token.forceQuirks = true;
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// Before DOCTYPE public identifier state
//------------------------------------------------------------------
_stateBeforeDoctypePublicIdentifier(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.QUOTATION_MARK: {
token.publicId = '';
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
token.publicId = '';
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingDoctypePublicIdentifier);
token.forceQuirks = true;
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// DOCTYPE public identifier (double-quoted) state
//------------------------------------------------------------------
_stateDoctypePublicIdentifierDoubleQuoted(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.QUOTATION_MARK: {
this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.publicId += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptDoctypePublicIdentifier);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
token.publicId += String.fromCodePoint(cp);
}
}
}
// DOCTYPE public identifier (single-quoted) state
//------------------------------------------------------------------
_stateDoctypePublicIdentifierSingleQuoted(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.APOSTROPHE: {
this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.publicId += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptDoctypePublicIdentifier);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
token.publicId += String.fromCodePoint(cp);
}
}
}
// After DOCTYPE public identifier state
//------------------------------------------------------------------
_stateAfterDoctypePublicIdentifier(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.QUOTATION_MARK: {
this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// Between DOCTYPE public and system identifiers state
//------------------------------------------------------------------
_stateBetweenDoctypePublicAndSystemIdentifiers(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.QUOTATION_MARK: {
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// After DOCTYPE system keyword state
//------------------------------------------------------------------
_stateAfterDoctypeSystemKeyword(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
this.state = State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER;
break;
}
case CODE_POINTS.QUOTATION_MARK: {
this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// Before DOCTYPE system identifier state
//------------------------------------------------------------------
_stateBeforeDoctypeSystemIdentifier(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.QUOTATION_MARK: {
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
break;
}
case CODE_POINTS.APOSTROPHE: {
token.systemId = '';
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.missingDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.DATA;
this.emitCurrentDoctype(token);
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
token.forceQuirks = true;
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// DOCTYPE system identifier (double-quoted) state
//------------------------------------------------------------------
_stateDoctypeSystemIdentifierDoubleQuoted(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.QUOTATION_MARK: {
this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.systemId += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptDoctypeSystemIdentifier);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
token.systemId += String.fromCodePoint(cp);
}
}
}
// DOCTYPE system identifier (single-quoted) state
//------------------------------------------------------------------
_stateDoctypeSystemIdentifierSingleQuoted(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.APOSTROPHE: {
this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
token.systemId += REPLACEMENT_CHARACTER;
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this._err(ERR.abruptDoctypeSystemIdentifier);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
token.systemId += String.fromCodePoint(cp);
}
}
}
// After DOCTYPE system identifier state
//------------------------------------------------------------------
_stateAfterDoctypeSystemIdentifier(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.SPACE:
case CODE_POINTS.LINE_FEED:
case CODE_POINTS.TABULATION:
case CODE_POINTS.FORM_FEED: {
// Ignore whitespace
break;
}
case CODE_POINTS.GREATER_THAN_SIGN: {
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInDoctype);
token.forceQuirks = true;
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
default: {
this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier);
this.state = State.BOGUS_DOCTYPE;
this._stateBogusDoctype(cp);
}
}
}
// Bogus DOCTYPE state
//------------------------------------------------------------------
_stateBogusDoctype(cp) {
const token = this.currentToken;
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
this.emitCurrentDoctype(token);
this.state = State.DATA;
break;
}
case CODE_POINTS.NULL: {
this._err(ERR.unexpectedNullCharacter);
break;
}
case CODE_POINTS.EOF: {
this.emitCurrentDoctype(token);
this._emitEOFToken();
break;
}
// Do nothing
}
}
// CDATA section state
//------------------------------------------------------------------
_stateCdataSection(cp) {
switch (cp) {
case CODE_POINTS.RIGHT_SQUARE_BRACKET: {
this.state = State.CDATA_SECTION_BRACKET;
break;
}
case CODE_POINTS.EOF: {
this._err(ERR.eofInCdata);
this._emitEOFToken();
break;
}
default: {
this._emitCodePoint(cp);
}
}
}
// CDATA section bracket state
//------------------------------------------------------------------
_stateCdataSectionBracket(cp) {
if (cp === CODE_POINTS.RIGHT_SQUARE_BRACKET) {
this.state = State.CDATA_SECTION_END;
}
else {
this._emitChars(']');
this.state = State.CDATA_SECTION;
this._stateCdataSection(cp);
}
}
// CDATA section end state
//------------------------------------------------------------------
_stateCdataSectionEnd(cp) {
switch (cp) {
case CODE_POINTS.GREATER_THAN_SIGN: {
this.state = State.DATA;
break;
}
case CODE_POINTS.RIGHT_SQUARE_BRACKET: {
this._emitChars(']');
break;
}
default: {
this._emitChars(']]');
this.state = State.CDATA_SECTION;
this._stateCdataSection(cp);
}
}
}
// Character reference state
//------------------------------------------------------------------
_stateCharacterReference(cp) {
if (cp === CODE_POINTS.NUMBER_SIGN) {
this.state = State.NUMERIC_CHARACTER_REFERENCE;
}
else if (isAsciiAlphaNumeric(cp)) {
this.state = State.NAMED_CHARACTER_REFERENCE;
this._stateNamedCharacterReference(cp);
}
else {
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.AMPERSAND);
this._reconsumeInState(this.returnState, cp);
}
}
// Named character reference state
//------------------------------------------------------------------
_stateNamedCharacterReference(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()) ;
else if (matchResult) {
for (let i = 0; i < matchResult.length; i++) {
this._flushCodePointConsumedAsCharacterReference(matchResult[i]);
}
this.state = this.returnState;
}
else {
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.AMPERSAND);
this.state = State.AMBIGUOUS_AMPERSAND;
}
}
// Ambiguos ampersand state
//------------------------------------------------------------------
_stateAmbiguousAmpersand(cp) {
if (isAsciiAlphaNumeric(cp)) {
this._flushCodePointConsumedAsCharacterReference(cp);
}
else {
if (cp === CODE_POINTS.SEMICOLON) {
this._err(ERR.unknownNamedCharacterReference);
}
this._reconsumeInState(this.returnState, cp);
}
}
// Numeric character reference state
//------------------------------------------------------------------
_stateNumericCharacterReference(cp) {
this.charRefCode = 0;
if (cp === CODE_POINTS.LATIN_SMALL_X || cp === CODE_POINTS.LATIN_CAPITAL_X) {
this.state = State.HEXADEMICAL_CHARACTER_REFERENCE_START;
}
// Inlined decimal character reference start state
else if (isAsciiDigit(cp)) {
this.state = State.DECIMAL_CHARACTER_REFERENCE;
this._stateDecimalCharacterReference(cp);
}
else {
this._err(ERR.absenceOfDigitsInNumericCharacterReference);
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.AMPERSAND);
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.NUMBER_SIGN);
this._reconsumeInState(this.returnState, cp);
}
}
// Hexademical character reference start state
//------------------------------------------------------------------
_stateHexademicalCharacterReferenceStart(cp) {
if (isAsciiHexDigit(cp)) {
this.state = State.HEXADEMICAL_CHARACTER_REFERENCE;
this._stateHexademicalCharacterReference(cp);
}
else {
this._err(ERR.absenceOfDigitsInNumericCharacterReference);
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.AMPERSAND);
this._flushCodePointConsumedAsCharacterReference(CODE_POINTS.NUMBER_SIGN);
this._unconsume(2);
this.state = this.returnState;
}
}
// Hexademical character reference state
//------------------------------------------------------------------
_stateHexademicalCharacterReference(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 === CODE_POINTS.SEMICOLON) {
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
}
else {
this._err(ERR.missingSemicolonAfterCharacterReference);
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
this._stateNumericCharacterReferenceEnd(cp);
}
}
// Decimal character reference state
//------------------------------------------------------------------
_stateDecimalCharacterReference(cp) {
if (isAsciiDigit(cp)) {
this.charRefCode = this.charRefCode * 10 + cp - 0x30;
}
else if (cp === CODE_POINTS.SEMICOLON) {
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
}
else {
this._err(ERR.missingSemicolonAfterCharacterReference);
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
this._stateNumericCharacterReferenceEnd(cp);
}
}
// Numeric character reference end state
//------------------------------------------------------------------
_stateNumericCharacterReferenceEnd(cp) {
if (this.charRefCode === CODE_POINTS.NULL) {
this._err(ERR.nullCharacterReference);
this.charRefCode = CODE_POINTS.REPLACEMENT_CHARACTER;
}
else if (this.charRefCode > 1114111) {
this._err(ERR.characterReferenceOutsideUnicodeRange);
this.charRefCode = CODE_POINTS.REPLACEMENT_CHARACTER;
}
else if (isSurrogate(this.charRefCode)) {
this._err(ERR.surrogateCharacterReference);
this.charRefCode = CODE_POINTS.REPLACEMENT_CHARACTER;
}
else if (isUndefinedCodePoint(this.charRefCode)) {
this._err(ERR.noncharacterCharacterReference);
}
else if (isControlCodePoint(this.charRefCode) || this.charRefCode === CODE_POINTS.CARRIAGE_RETURN) {
this._err(ERR.controlCharacterReference);
const replacement = C1_CONTROLS_REFERENCE_REPLACEMENTS.get(this.charRefCode);
if (replacement !== undefined) {
this.charRefCode = replacement;
}
}
this._flushCodePointConsumedAsCharacterReference(this.charRefCode);
this._reconsumeInState(this.returnState, cp);
}
}
//Element utils
const IMPLICIT_END_TAG_REQUIRED = new Set([TAG_ID.DD, TAG_ID.DT, TAG_ID.LI, TAG_ID.OPTGROUP, TAG_ID.OPTION, TAG_ID.P, TAG_ID.RB, TAG_ID.RP, TAG_ID.RT, TAG_ID.RTC]);
const IMPLICIT_END_TAG_REQUIRED_THOROUGHLY = new Set([
...IMPLICIT_END_TAG_REQUIRED,
TAG_ID.CAPTION,
TAG_ID.COLGROUP,
TAG_ID.TBODY,
TAG_ID.TD,
TAG_ID.TFOOT,
TAG_ID.TH,
TAG_ID.THEAD,
TAG_ID.TR,
]);
const SCOPING_ELEMENT_NS = new Map([
[TAG_ID.APPLET, NS.HTML],
[TAG_ID.CAPTION, NS.HTML],
[TAG_ID.HTML, NS.HTML],
[TAG_ID.MARQUEE, NS.HTML],
[TAG_ID.OBJECT, NS.HTML],
[TAG_ID.TABLE, NS.HTML],
[TAG_ID.TD, NS.HTML],
[TAG_ID.TEMPLATE, NS.HTML],
[TAG_ID.TH, NS.HTML],
[TAG_ID.ANNOTATION_XML, NS.MATHML],
[TAG_ID.MI, NS.MATHML],
[TAG_ID.MN, NS.MATHML],
[TAG_ID.MO, NS.MATHML],
[TAG_ID.MS, NS.MATHML],
[TAG_ID.MTEXT, NS.MATHML],
[TAG_ID.DESC, NS.SVG],
[TAG_ID.FOREIGN_OBJECT, NS.SVG],
[TAG_ID.TITLE, NS.SVG],
]);
const NAMED_HEADERS = [TAG_ID.H1, TAG_ID.H2, TAG_ID.H3, TAG_ID.H4, TAG_ID.H5, TAG_ID.H6];
const TABLE_ROW_CONTEXT = [TAG_ID.TR, TAG_ID.TEMPLATE, TAG_ID.HTML];
const TABLE_BODY_CONTEXT = [TAG_ID.TBODY, TAG_ID.TFOOT, TAG_ID.THEAD, TAG_ID.TEMPLATE, TAG_ID.HTML];
const TABLE_CONTEXT = [TAG_ID.TABLE, TAG_ID.TEMPLATE, TAG_ID.HTML];
const TABLE_CELLS = [TAG_ID.TD, TAG_ID.TH];
//Stack of open elements
class OpenElementStack {
get currentTmplContentOrNode() {
return this._isInTemplate() ? this.treeAdapter.getTemplateContent(this.current) : this.current;
}
constructor(document, treeAdapter, handler) {
this.treeAdapter = treeAdapter;
this.handler = handler;
this.items = [];
this.tagIDs = [];
this.stackTop = -1;
this.tmplCount = 0;
this.currentTagId = TAG_ID.UNKNOWN;
this.current = document;
}
//Index of element
_indexOf(element) {
return this.items.lastIndexOf(element, this.stackTop);
}
//Update current element
_isInTemplate() {
return this.currentTagId === TAG_ID.TEMPLATE && this.treeAdapter.getNamespaceURI(this.current) === NS.HTML;
}
_updateCurrentElement() {
this.current = this.items[this.stackTop];
this.currentTagId = this.tagIDs[this.stackTop];
}
//Mutations
push(element, tagID) {
this.stackTop++;
this.items[this.stackTop] = element;
this.current = element;
this.tagIDs[this.stackTop] = tagID;
this.currentTagId = tagID;
if (this._isInTemplate()) {
this.tmplCount++;
}
this.handler.onItemPush(element, tagID, true);
}
pop() {
const popped = this.current;
if (this.tmplCount > 0 && this._isInTemplate()) {
this.tmplCount--;
}
this.stackTop--;
this._updateCurrentElement();
this.handler.onItemPop(popped, true);
}
replace(oldElement, newElement) {
const idx = this._indexOf(oldElement);
this.items[idx] = newElement;
if (idx === this.stackTop) {
this.current = newElement;
}
}
insertAfter(referenceElement, newElement, newElementID) {
const insertionIdx = this._indexOf(referenceElement) + 1;
this.items.splice(insertionIdx, 0, newElement);
this.tagIDs.splice(insertionIdx, 0, newElementID);
this.stackTop++;
if (insertionIdx === this.stackTop) {
this._updateCurrentElement();
}
this.handler.onItemPush(this.current, this.currentTagId, insertionIdx === this.stackTop);
}
popUntilTagNamePopped(tagName) {
let targetIdx = this.stackTop + 1;
do {
targetIdx = this.tagIDs.lastIndexOf(tagName, targetIdx - 1);
} while (targetIdx > 0 && this.treeAdapter.getNamespaceURI(this.items[targetIdx]) !== NS.HTML);
this.shortenToLength(targetIdx < 0 ? 0 : targetIdx);
}
shortenToLength(idx) {
while (this.stackTop >= idx) {
const popped = this.current;
if (this.tmplCount > 0 && this._isInTemplate()) {
this.tmplCount -= 1;
}
this.stackTop--;
this._updateCurrentElement();
this.handler.onItemPop(popped, this.stackTop < idx);
}
}
popUntilElementPopped(element) {
const idx = this._indexOf(element);
this.shortenToLength(idx < 0 ? 0 : idx);
}
popUntilPopped(tagNames, targetNS) {
const idx = this._indexOfTagNames(tagNames, targetNS);
this.shortenToLength(idx < 0 ? 0 : idx);
}
popUntilNumberedHeaderPopped() {
this.popUntilPopped(NAMED_HEADERS, NS.HTML);
}
popUntilTableCellPopped() {
this.popUntilPopped(TABLE_CELLS, NS.HTML);
}
popAllUpToHtmlElement() {
//NOTE: here we assume that the root <html> element is always first in the open element stack, so
//we perform this fast stack clean up.
this.tmplCount = 0;
this.shortenToLength(1);
}
_indexOfTagNames(tagNames, namespace) {
for (let i = this.stackTop; i >= 0; i--) {
if (tagNames.includes(this.tagIDs[i]) && this.treeAdapter.getNamespaceURI(this.items[i]) === namespace) {
return i;
}
}
return -1;
}
clearBackTo(tagNames, targetNS) {
const idx = this._indexOfTagNames(tagNames, targetNS);
this.shortenToLength(idx + 1);
}
clearBackToTableContext() {
this.clearBackTo(TABLE_CONTEXT, NS.HTML);
}
clearBackToTableBodyContext() {
this.clearBackTo(TABLE_BODY_CONTEXT, NS.HTML);
}
clearBackToTableRowContext() {
this.clearBackTo(TABLE_ROW_CONTEXT, NS.HTML);
}
remove(element) {
const idx = this._indexOf(element);
if (idx >= 0) {
if (idx === this.stackTop) {
this.pop();
}
else {
this.items.splice(idx, 1);
this.tagIDs.splice(idx, 1);
this.stackTop--;
this._updateCurrentElement();
this.handler.onItemPop(element, false);
}
}
}
//Search
tryPeekProperlyNestedBodyElement() {
//Properly nested <body> element (should be second element in stack).
return this.stackTop >= 1 && this.tagIDs[1] === TAG_ID.BODY ? this.items[1] : null;
}
contains(element) {
return this._indexOf(element) > -1;
}
getCommonAncestor(element) {
const elementIdx = this._indexOf(element) - 1;
return elementIdx >= 0 ? this.items[elementIdx] : null;
}
isRootHtmlElementCurrent() {
return this.stackTop === 0 && this.tagIDs[0] === TAG_ID.HTML;
}
//Element in scope
hasInScope(tagName) {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (tn === tagName && ns === NS.HTML) {
return true;
}
if (SCOPING_ELEMENT_NS.get(tn) === ns) {
return false;
}
}
return true;
}
hasNumberedHeaderInScope() {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (isNumberedHeader(tn) && ns === NS.HTML) {
return true;
}
if (SCOPING_ELEMENT_NS.get(tn) === ns) {
return false;
}
}
return true;
}
hasInListItemScope(tagName) {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (tn === tagName && ns === NS.HTML) {
return true;
}
if (((tn === TAG_ID.UL || tn === TAG_ID.OL) && ns === NS.HTML) || SCOPING_ELEMENT_NS.get(tn) === ns) {
return false;
}
}
return true;
}
hasInButtonScope(tagName) {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (tn === tagName && ns === NS.HTML) {
return true;
}
if ((tn === TAG_ID.BUTTON && ns === NS.HTML) || SCOPING_ELEMENT_NS.get(tn) === ns) {
return false;
}
}
return true;
}
hasInTableScope(tagName) {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (ns !== NS.HTML) {
continue;
}
if (tn === tagName) {
return true;
}
if (tn === TAG_ID.TABLE || tn === TAG_ID.TEMPLATE || tn === TAG_ID.HTML) {
return false;
}
}
return true;
}
hasTableBodyContextInTableScope() {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (ns !== NS.HTML) {
continue;
}
if (tn === TAG_ID.TBODY || tn === TAG_ID.THEAD || tn === TAG_ID.TFOOT) {
return true;
}
if (tn === TAG_ID.TABLE || tn === TAG_ID.HTML) {
return false;
}
}
return true;
}
hasInSelectScope(tagName) {
for (let i = this.stackTop; i >= 0; i--) {
const tn = this.tagIDs[i];
const ns = this.treeAdapter.getNamespaceURI(this.items[i]);
if (ns !== NS.HTML) {
continue;
}
if (tn === tagName) {
return true;
}
if (tn !== TAG_ID.OPTION && tn !== TAG_ID.OPTGROUP) {
return false;
}
}
return true;
}
//Implied end tags
generateImpliedEndTags() {
while (IMPLICIT_END_TAG_REQUIRED.has(this.currentTagId)) {
this.pop();
}
}
generateImpliedEndTagsThoroughly() {
while (IMPLICIT_END_TAG_REQUIRED_THOROUGHLY.has(this.currentTagId)) {
this.pop();
}
}
generateImpliedEndTagsWithExclusion(exclusionId) {
while (this.currentTagId !== exclusionId && IMPLICIT_END_TAG_REQUIRED_THOROUGHLY.has(this.currentTagId)) {
this.pop();
}
}
}
//Const
const NOAH_ARK_CAPACITY = 3;
var EntryType;
(function (EntryType) {
EntryType[EntryType["Marker"] = 0] = "Marker";
EntryType[EntryType["Element"] = 1] = "Element";
})(EntryType = EntryType || (EntryType = {}));
const MARKER = { type: EntryType.Marker };
//List of formatting elements
class FormattingElementList {
constructor(treeAdapter) {
this.treeAdapter = treeAdapter;
this.entries = [];
this.bookmark = null;
}
//Noah Ark's condition
//OPTIMIZATION: at first we try to find possible candidates for exclusion using
//lightweight heuristics without thorough attributes check.
_getNoahArkConditionCandidates(newElement, neAttrs) {
const candidates = [];
const neAttrsLength = neAttrs.length;
const neTagName = this.treeAdapter.getTagName(newElement);
const neNamespaceURI = this.treeAdapter.getNamespaceURI(newElement);
for (let i = 0; i < this.entries.length; i++) {
const entry = this.entries[i];
if (entry.type === EntryType.Marker) {
break;
}
const { element } = entry;
if (this.treeAdapter.getTagName(element) === neTagName &&
this.treeAdapter.getNamespaceURI(element) === neNamespaceURI) {
const elementAttrs = this.treeAdapter.getAttrList(element);
if (elementAttrs.length === neAttrsLength) {
candidates.push({ idx: i, attrs: elementAttrs });
}
}
}
return candidates;
}
_ensureNoahArkCondition(newElement) {
if (this.entries.length < NOAH_ARK_CAPACITY)
return;
const neAttrs = this.treeAdapter.getAttrList(newElement);
const candidates = this._getNoahArkConditionCandidates(newElement, neAttrs);
if (candidates.length < NOAH_ARK_CAPACITY)
return;
//NOTE: build attrs map for the new element, so we can perform fast lookups
const neAttrsMap = new Map(neAttrs.map((neAttr) => [neAttr.name, neAttr.value]));
let validCandidates = 0;
//NOTE: remove bottommost candidates, until Noah's Ark condition will not be met
for (let i = 0; i < candidates.length; i++) {
const candidate = candidates[i];
// We know that `candidate.attrs.length === neAttrs.length`
if (candidate.attrs.every((cAttr) => neAttrsMap.get(cAttr.name) === cAttr.value)) {
validCandidates += 1;
if (validCandidates >= NOAH_ARK_CAPACITY) {
this.entries.splice(candidate.idx, 1);
}
}
}
}
//Mutations
insertMarker() {
this.entries.unshift(MARKER);
}
pushElement(element, token) {
this._ensureNoahArkCondition(element);
this.entries.unshift({
type: EntryType.Element,
element,
token,
});
}
insertElementAfterBookmark(element, token) {
const bookmarkIdx = this.entries.indexOf(this.bookmark);
this.entries.splice(bookmarkIdx, 0, {
type: EntryType.Element,
element,
token,
});
}
removeEntry(entry) {
const entryIndex = this.entries.indexOf(entry);
if (entryIndex >= 0) {
this.entries.splice(entryIndex, 1);
}
}
/**
* Clears the list of formatting elements up to the last marker.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-list-of-active-formatting-elements-up-to-the-last-marker
*/
clearToLastMarker() {
const markerIdx = this.entries.indexOf(MARKER);
if (markerIdx >= 0) {
this.entries.splice(0, markerIdx + 1);
}
else {
this.entries.length = 0;
}
}
//Search
getElementEntryInScopeWithTagName(tagName) {
const entry = this.entries.find((entry) => entry.type === EntryType.Marker || this.treeAdapter.getTagName(entry.element) === tagName);
return entry && entry.type === EntryType.Element ? entry : null;
}
getElementEntry(element) {
return this.entries.find((entry) => entry.type === EntryType.Element && entry.element === element);
}
}
function createTextNode(value) {
return {
nodeName: '#text',
value,
parentNode: null,
};
}
const defaultTreeAdapter = {
//Node construction
createDocument() {
return {
nodeName: '#document',
mode: DOCUMENT_MODE.NO_QUIRKS,
childNodes: [],
};
},
createDocumentFragment() {
return {
nodeName: '#document-fragment',
childNodes: [],
};
},
createElement(tagName, namespaceURI, attrs) {
return {
nodeName: tagName,
tagName,
attrs,
namespaceURI,
childNodes: [],
parentNode: null,
};
},
createCommentNode(data) {
return {
nodeName: '#comment',
data,
parentNode: null,
};
},
//Tree mutation
appendChild(parentNode, newNode) {
parentNode.childNodes.push(newNode);
newNode.parentNode = parentNode;
},
insertBefore(parentNode, newNode, referenceNode) {
const insertionIdx = parentNode.childNodes.indexOf(referenceNode);
parentNode.childNodes.splice(insertionIdx, 0, newNode);
newNode.parentNode = parentNode;
},
setTemplateContent(templateElement, contentElement) {
templateElement.content = contentElement;
},
getTemplateContent(templateElement) {
return templateElement.content;
},
setDocumentType(document, name, publicId, systemId) {
const doctypeNode = document.childNodes.find((node) => node.nodeName === '#documentType');
if (doctypeNode) {
doctypeNode.name = name;
doctypeNode.publicId = publicId;
doctypeNode.systemId = systemId;
}
else {
const node = {
nodeName: '#documentType',
name,
publicId,
systemId,
parentNode: null,
};
defaultTreeAdapter.appendChild(document, node);
}
},
setDocumentMode(document, mode) {
document.mode = mode;
},
getDocumentMode(document) {
return document.mode;
},
detachNode(node) {
if (node.parentNode) {
const idx = node.parentNode.childNodes.indexOf(node);
node.parentNode.childNodes.splice(idx, 1);
node.parentNode = null;
}
},
insertText(parentNode, text) {
if (parentNode.childNodes.length > 0) {
const prevNode = parentNode.childNodes[parentNode.childNodes.length - 1];
if (defaultTreeAdapter.isTextNode(prevNode)) {
prevNode.value += text;
return;
}
}
defaultTreeAdapter.appendChild(parentNode, createTextNode(text));
},
insertTextBefore(parentNode, text, referenceNode) {
const prevNode = parentNode.childNodes[parentNode.childNodes.indexOf(referenceNode) - 1];
if (prevNode && defaultTreeAdapter.isTextNode(prevNode)) {
prevNode.value += text;
}
else {
defaultTreeAdapter.insertBefore(parentNode, createTextNode(text), referenceNode);
}
},
adoptAttributes(recipient, attrs) {
const recipientAttrsMap = new Set(recipient.attrs.map((attr) => attr.name));
for (let j = 0; j < attrs.length; j++) {
if (!recipientAttrsMap.has(attrs[j].name)) {
recipient.attrs.push(attrs[j]);
}
}
},
//Tree traversing
getFirstChild(node) {
return node.childNodes[0];
},
getChildNodes(node) {
return node.childNodes;
},
getParentNode(node) {
return node.parentNode;
},
getAttrList(element) {
return element.attrs;
},
//Node data
getTagName(element) {
return element.tagName;
},
getNamespaceURI(element) {
return element.namespaceURI;
},
getTextNodeContent(textNode) {
return textNode.value;
},
getCommentNodeContent(commentNode) {
return commentNode.data;
},
getDocumentTypeNodeName(doctypeNode) {
return doctypeNode.name;
},
getDocumentTypeNodePublicId(doctypeNode) {
return doctypeNode.publicId;
},
getDocumentTypeNodeSystemId(doctypeNode) {
return doctypeNode.systemId;
},
//Node types
isTextNode(node) {
return node.nodeName === '#text';
},
isCommentNode(node) {
return node.nodeName === '#comment';
},
isDocumentTypeNode(node) {
return node.nodeName === '#documentType';
},
isElementNode(node) {
return Object.prototype.hasOwnProperty.call(node, 'tagName');
},
// Source code location
setNodeSourceCodeLocation(node, location) {
node.sourceCodeLocation = location;
},
getNodeSourceCodeLocation(node) {
return node.sourceCodeLocation;
},
updateNodeSourceCodeLocation(node, endLocation) {
node.sourceCodeLocation = { ...node.sourceCodeLocation, ...endLocation };
},
};
//Const
const VALID_DOCTYPE_NAME = 'html';
const VALID_SYSTEM_ID = 'about:legacy-compat';
const QUIRKS_MODE_SYSTEM_ID = 'http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd';
const QUIRKS_MODE_PUBLIC_ID_PREFIXES = [
'+//silmaril//dtd html pro v0r11 19970101//',
'-//as//dtd html 3.0 aswedit + extensions//',
'-//advasoft ltd//dtd html 3.0 aswedit + extensions//',
'-//ietf//dtd html 2.0 level 1//',
'-//ietf//dtd html 2.0 level 2//',
'-//ietf//dtd html 2.0 strict level 1//',
'-//ietf//dtd html 2.0 strict level 2//',
'-//ietf//dtd html 2.0 strict//',
'-//ietf//dtd html 2.0//',
'-//ietf//dtd html 2.1e//',
'-//ietf//dtd html 3.0//',
'-//ietf//dtd html 3.2 final//',
'-//ietf//dtd html 3.2//',
'-//ietf//dtd html 3//',
'-//ietf//dtd html level 0//',
'-//ietf//dtd html level 1//',
'-//ietf//dtd html level 2//',
'-//ietf//dtd html level 3//',
'-//ietf//dtd html strict level 0//',
'-//ietf//dtd html strict level 1//',
'-//ietf//dtd html strict level 2//',
'-//ietf//dtd html strict level 3//',
'-//ietf//dtd html strict//',
'-//ietf//dtd html//',
'-//metrius//dtd metrius presentational//',
'-//microsoft//dtd internet explorer 2.0 html strict//',
'-//microsoft//dtd internet explorer 2.0 html//',
'-//microsoft//dtd internet explorer 2.0 tables//',
'-//microsoft//dtd internet explorer 3.0 html strict//',
'-//microsoft//dtd internet explorer 3.0 html//',
'-//microsoft//dtd internet explorer 3.0 tables//',
'-//netscape comm. corp.//dtd html//',
'-//netscape comm. corp.//dtd strict html//',
"-//o'reilly and associates//dtd html 2.0//",
"-//o'reilly and associates//dtd html extended 1.0//",
"-//o'reilly and associates//dtd html extended relaxed 1.0//",
'-//sq//dtd html 2.0 hotmetal + extensions//',
'-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//',
'-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//',
'-//spyglass//dtd html 2.0 extended//',
'-//sun microsystems corp.//dtd hotjava html//',
'-//sun microsystems corp.//dtd hotjava strict html//',
'-//w3c//dtd html 3 1995-03-24//',
'-//w3c//dtd html 3.2 draft//',
'-//w3c//dtd html 3.2 final//',
'-//w3c//dtd html 3.2//',
'-//w3c//dtd html 3.2s draft//',
'-//w3c//dtd html 4.0 frameset//',
'-//w3c//dtd html 4.0 transitional//',
'-//w3c//dtd html experimental 19960712//',
'-//w3c//dtd html experimental 970421//',
'-//w3c//dtd w3 html//',
'-//w3o//dtd w3 html 3.0//',
'-//webtechs//dtd mozilla html 2.0//',
'-//webtechs//dtd mozilla html//',
];
const QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES = [
...QUIRKS_MODE_PUBLIC_ID_PREFIXES,
'-//w3c//dtd html 4.01 frameset//',
'-//w3c//dtd html 4.01 transitional//',
];
const QUIRKS_MODE_PUBLIC_IDS = new Set([
'-//w3o//dtd w3 html strict 3.0//en//',
'-/w3c/dtd html 4.0 transitional/en',
'html',
]);
const LIMITED_QUIRKS_PUBLIC_ID_PREFIXES = ['-//w3c//dtd xhtml 1.0 frameset//', '-//w3c//dtd xhtml 1.0 transitional//'];
const LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES = [
...LIMITED_QUIRKS_PUBLIC_ID_PREFIXES,
'-//w3c//dtd html 4.01 frameset//',
'-//w3c//dtd html 4.01 transitional//',
];
//Utils
function hasPrefix(publicId, prefixes) {
return prefixes.some((prefix) => publicId.startsWith(prefix));
}
//API
function isConforming(token) {
return (token.name === VALID_DOCTYPE_NAME &&
token.publicId === null &&
(token.systemId === null || token.systemId === VALID_SYSTEM_ID));
}
function getDocumentMode(token) {
if (token.name !== VALID_DOCTYPE_NAME) {
return DOCUMENT_MODE.QUIRKS;
}
const { systemId } = token;
if (systemId && systemId.toLowerCase() === QUIRKS_MODE_SYSTEM_ID) {
return DOCUMENT_MODE.QUIRKS;
}
let { publicId } = token;
if (publicId !== null) {
publicId = publicId.toLowerCase();
if (QUIRKS_MODE_PUBLIC_IDS.has(publicId)) {
return DOCUMENT_MODE.QUIRKS;
}
let prefixes = systemId === null ? QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES : QUIRKS_MODE_PUBLIC_ID_PREFIXES;
if (hasPrefix(publicId, prefixes)) {
return DOCUMENT_MODE.QUIRKS;
}
prefixes =
systemId === null ? LIMITED_QUIRKS_PUBLIC_ID_PREFIXES : LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES;
if (hasPrefix(publicId, prefixes)) {
return DOCUMENT_MODE.LIMITED_QUIRKS;
}
}
return DOCUMENT_MODE.NO_QUIRKS;
}
//MIME types
const MIME_TYPES = {
TEXT_HTML: 'text/html',
APPLICATION_XML: 'application/xhtml+xml',
};
//Attributes
const DEFINITION_URL_ATTR = 'definitionurl';
const ADJUSTED_DEFINITION_URL_ATTR = 'definitionURL';
const SVG_ATTRS_ADJUSTMENT_MAP = new Map([
'attributeName',
'attributeType',
'baseFrequency',
'baseProfile',
'calcMode',
'clipPathUnits',
'diffuseConstant',
'edgeMode',
'filterUnits',
'glyphRef',
'gradientTransform',
'gradientUnits',
'kernelMatrix',
'kernelUnitLength',
'keyPoints',
'keySplines',
'keyTimes',
'lengthAdjust',
'limitingConeAngle',
'markerHeight',
'markerUnits',
'markerWidth',
'maskContentUnits',
'maskUnits',
'numOctaves',
'pathLength',
'patternContentUnits',
'patternTransform',
'patternUnits',
'pointsAtX',
'pointsAtY',
'pointsAtZ',
'preserveAlpha',
'preserveAspectRatio',
'primitiveUnits',
'refX',
'refY',
'repeatCount',
'repeatDur',
'requiredExtensions',
'requiredFeatures',
'specularConstant',
'specularExponent',
'spreadMethod',
'startOffset',
'stdDeviation',
'stitchTiles',
'surfaceScale',
'systemLanguage',
'tableValues',
'targetX',
'targetY',
'textLength',
'viewBox',
'viewTarget',
'xChannelSelector',
'yChannelSelector',
'zoomAndPan',
].map((attr) => [attr.toLowerCase(), attr]));
const XML_ATTRS_ADJUSTMENT_MAP = new Map([
['xlink:actuate', { prefix: 'xlink', name: 'actuate', namespace: NS.XLINK }],
['xlink:arcrole', { prefix: 'xlink', name: 'arcrole', namespace: NS.XLINK }],
['xlink:href', { prefix: 'xlink', name: 'href', namespace: NS.XLINK }],
['xlink:role', { prefix: 'xlink', name: 'role', namespace: NS.XLINK }],
['xlink:show', { prefix: 'xlink', name: 'show', namespace: NS.XLINK }],
['xlink:title', { prefix: 'xlink', name: 'title', namespace: NS.XLINK }],
['xlink:type', { prefix: 'xlink', name: 'type', namespace: NS.XLINK }],
['xml:base', { prefix: 'xml', name: 'base', namespace: NS.XML }],
['xml:lang', { prefix: 'xml', name: 'lang', namespace: NS.XML }],
['xml:space', { prefix: 'xml', name: 'space', namespace: NS.XML }],
['xmlns', { prefix: '', name: 'xmlns', namespace: NS.XMLNS }],
['xmlns:xlink', { prefix: 'xmlns', name: 'xlink', namespace: NS.XMLNS }],
]);
//SVG tag names adjustment map
const SVG_TAG_NAMES_ADJUSTMENT_MAP = new Map([
'altGlyph',
'altGlyphDef',
'altGlyphItem',
'animateColor',
'animateMotion',
'animateTransform',
'clipPath',
'feBlend',
'feColorMatrix',
'feComponentTransfer',
'feComposite',
'feConvolveMatrix',
'feDiffuseLighting',
'feDisplacementMap',
'feDistantLight',
'feFlood',
'feFuncA',
'feFuncB',
'feFuncG',
'feFuncR',
'feGaussianBlur',
'feImage',
'feMerge',
'feMergeNode',
'feMorphology',
'feOffset',
'fePointLight',
'feSpecularLighting',
'feSpotLight',
'feTile',
'feTurbulence',
'foreignObject',
'glyphRef',
'linearGradient',
'radialGradient',
'textPath',
].map((tn) => [tn.toLowerCase(), tn]));
//Tags that causes exit from foreign content
const EXITS_FOREIGN_CONTENT = new Set([
TAG_ID.B,
TAG_ID.BIG,
TAG_ID.BLOCKQUOTE,
TAG_ID.BODY,
TAG_ID.BR,
TAG_ID.CENTER,
TAG_ID.CODE,
TAG_ID.DD,
TAG_ID.DIV,
TAG_ID.DL,
TAG_ID.DT,
TAG_ID.EM,
TAG_ID.EMBED,
TAG_ID.H1,
TAG_ID.H2,
TAG_ID.H3,
TAG_ID.H4,
TAG_ID.H5,
TAG_ID.H6,
TAG_ID.HEAD,
TAG_ID.HR,
TAG_ID.I,
TAG_ID.IMG,
TAG_ID.LI,
TAG_ID.LISTING,
TAG_ID.MENU,
TAG_ID.META,
TAG_ID.NOBR,
TAG_ID.OL,
TAG_ID.P,
TAG_ID.PRE,
TAG_ID.RUBY,
TAG_ID.S,
TAG_ID.SMALL,
TAG_ID.SPAN,
TAG_ID.STRONG,
TAG_ID.STRIKE,
TAG_ID.SUB,
TAG_ID.SUP,
TAG_ID.TABLE,
TAG_ID.TT,
TAG_ID.U,
TAG_ID.UL,
TAG_ID.VAR,
]);
//Check exit from foreign content
function causesExit(startTagToken) {
const tn = startTagToken.tagID;
const isFontWithAttrs = tn === TAG_ID.FONT &&
startTagToken.attrs.some(({ name }) => name === ATTRS.COLOR || name === ATTRS.SIZE || name === ATTRS.FACE);
return isFontWithAttrs || EXITS_FOREIGN_CONTENT.has(tn);
}
//Token adjustments
function adjustTokenMathMLAttrs(token) {
for (let i = 0; i < token.attrs.length; i++) {
if (token.attrs[i].name === DEFINITION_URL_ATTR) {
token.attrs[i].name = ADJUSTED_DEFINITION_URL_ATTR;
break;
}
}
}
function adjustTokenSVGAttrs(token) {
for (let i = 0; i < token.attrs.length; i++) {
const adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);
if (adjustedAttrName != null) {
token.attrs[i].name = adjustedAttrName;
}
}
}
function adjustTokenXMLAttrs(token) {
for (let i = 0; i < token.attrs.length; i++) {
const adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);
if (adjustedAttrEntry) {
token.attrs[i].prefix = adjustedAttrEntry.prefix;
token.attrs[i].name = adjustedAttrEntry.name;
token.attrs[i].namespace = adjustedAttrEntry.namespace;
}
}
}
function adjustTokenSVGTagName(token) {
const adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP.get(token.tagName);
if (adjustedTagName != null) {
token.tagName = adjustedTagName;
token.tagID = getTagID(token.tagName);
}
}
//Integration points
function isMathMLTextIntegrationPoint(tn, ns) {
return ns === NS.MATHML && (tn === TAG_ID.MI || tn === TAG_ID.MO || tn === TAG_ID.MN || tn === TAG_ID.MS || tn === TAG_ID.MTEXT);
}
function isHtmlIntegrationPoint(tn, ns, attrs) {
if (ns === NS.MATHML && tn === TAG_ID.ANNOTATION_XML) {
for (let i = 0; i < attrs.length; i++) {
if (attrs[i].name === ATTRS.ENCODING) {
const value = attrs[i].value.toLowerCase();
return value === MIME_TYPES.TEXT_HTML || value === MIME_TYPES.APPLICATION_XML;
}
}
}
return ns === NS.SVG && (tn === TAG_ID.FOREIGN_OBJECT || tn === TAG_ID.DESC || tn === TAG_ID.TITLE);
}
function isIntegrationPoint(tn, ns, attrs, foreignNS) {
return (((!foreignNS || foreignNS === NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs)) ||
((!foreignNS || foreignNS === NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns)));
}
//Misc constants
const HIDDEN_INPUT_TYPE = 'hidden';
//Adoption agency loops iteration count
const AA_OUTER_LOOP_ITER = 8;
const AA_INNER_LOOP_ITER = 3;
//Insertion modes
var InsertionMode;
(function (InsertionMode) {
InsertionMode[InsertionMode["INITIAL"] = 0] = "INITIAL";
InsertionMode[InsertionMode["BEFORE_HTML"] = 1] = "BEFORE_HTML";
InsertionMode[InsertionMode["BEFORE_HEAD"] = 2] = "BEFORE_HEAD";
InsertionMode[InsertionMode["IN_HEAD"] = 3] = "IN_HEAD";
InsertionMode[InsertionMode["IN_HEAD_NO_SCRIPT"] = 4] = "IN_HEAD_NO_SCRIPT";
InsertionMode[InsertionMode["AFTER_HEAD"] = 5] = "AFTER_HEAD";
InsertionMode[InsertionMode["IN_BODY"] = 6] = "IN_BODY";
InsertionMode[InsertionMode["TEXT"] = 7] = "TEXT";
InsertionMode[InsertionMode["IN_TABLE"] = 8] = "IN_TABLE";
InsertionMode[InsertionMode["IN_TABLE_TEXT"] = 9] = "IN_TABLE_TEXT";
InsertionMode[InsertionMode["IN_CAPTION"] = 10] = "IN_CAPTION";
InsertionMode[InsertionMode["IN_COLUMN_GROUP"] = 11] = "IN_COLUMN_GROUP";
InsertionMode[InsertionMode["IN_TABLE_BODY"] = 12] = "IN_TABLE_BODY";
InsertionMode[InsertionMode["IN_ROW"] = 13] = "IN_ROW";
InsertionMode[InsertionMode["IN_CELL"] = 14] = "IN_CELL";
InsertionMode[InsertionMode["IN_SELECT"] = 15] = "IN_SELECT";
InsertionMode[InsertionMode["IN_SELECT_IN_TABLE"] = 16] = "IN_SELECT_IN_TABLE";
InsertionMode[InsertionMode["IN_TEMPLATE"] = 17] = "IN_TEMPLATE";
InsertionMode[InsertionMode["AFTER_BODY"] = 18] = "AFTER_BODY";
InsertionMode[InsertionMode["IN_FRAMESET"] = 19] = "IN_FRAMESET";
InsertionMode[InsertionMode["AFTER_FRAMESET"] = 20] = "AFTER_FRAMESET";
InsertionMode[InsertionMode["AFTER_AFTER_BODY"] = 21] = "AFTER_AFTER_BODY";
InsertionMode[InsertionMode["AFTER_AFTER_FRAMESET"] = 22] = "AFTER_AFTER_FRAMESET";
})(InsertionMode || (InsertionMode = {}));
const BASE_LOC = {
startLine: -1,
startCol: -1,
startOffset: -1,
endLine: -1,
endCol: -1,
endOffset: -1,
};
const TABLE_STRUCTURE_TAGS = new Set([TAG_ID.TABLE, TAG_ID.TBODY, TAG_ID.TFOOT, TAG_ID.THEAD, TAG_ID.TR]);
const defaultParserOptions = {
scriptingEnabled: true,
sourceCodeLocationInfo: false,
treeAdapter: defaultTreeAdapter,
onParseError: null,
};
//Parser
class Parser {
constructor(options, document, fragmentContext = null, scriptHandler = null) {
this.fragmentContext = fragmentContext;
this.scriptHandler = scriptHandler;
this.currentToken = null;
this.stopped = false;
this.insertionMode = InsertionMode.INITIAL;
this.originalInsertionMode = InsertionMode.INITIAL;
this.headElement = null;
this.formElement = null;
/** Indicates that the current node is not an element in the HTML namespace */
this.currentNotInHTML = false;
/**
* The template insertion mode stack is maintained from the left.
* Ie. the topmost element will always have index 0.
*/
this.tmplInsertionModeStack = [];
this.pendingCharacterTokens = [];
this.hasNonWhitespacePendingCharacterToken = false;
this.framesetOk = true;
this.skipNextNewLine = false;
this.fosterParentingEnabled = false;
this.options = {
...defaultParserOptions,
...options,
};
this.treeAdapter = this.options.treeAdapter;
this.onParseError = this.options.onParseError;
// Always enable location info if we report parse errors.
if (this.onParseError) {
this.options.sourceCodeLocationInfo = true;
}
this.document = document !== null && document !== void 0 ? document : this.treeAdapter.createDocument();
this.tokenizer = new Tokenizer(this.options, this);
this.activeFormattingElements = new FormattingElementList(this.treeAdapter);
this.fragmentContextID = fragmentContext ? getTagID(this.treeAdapter.getTagName(fragmentContext)) : TAG_ID.UNKNOWN;
this._setContextModes(fragmentContext !== null && fragmentContext !== void 0 ? fragmentContext : this.document, this.fragmentContextID);
this.openElements = new OpenElementStack(this.document, this.treeAdapter, this);
}
// API
static parse(html, options) {
const parser = new this(options);
parser.tokenizer.write(html, true);
return parser.document;
}
static getFragmentParser(fragmentContext, options) {
const opts = {
...defaultParserOptions,
...options,
};
//NOTE: use a <template> element as the fragment context if no context element was provided,
//so we will parse in a "forgiving" manner
fragmentContext !== null && fragmentContext !== void 0 ? fragmentContext : (fragmentContext = opts.treeAdapter.createElement(TAG_NAMES.TEMPLATE, NS.HTML, []));
//NOTE: create a fake element which will be used as the `document` for fragment parsing.
//This is important for jsdom, where a new `document` cannot be created. This led to
//fragment parsing messing with the main `document`.
const documentMock = opts.treeAdapter.createElement('documentmock', NS.HTML, []);
const parser = new this(opts, documentMock, fragmentContext);
if (parser.fragmentContextID === TAG_ID.TEMPLATE) {
parser.tmplInsertionModeStack.unshift(InsertionMode.IN_TEMPLATE);
}
parser._initTokenizerForFragmentParsing();
parser._insertFakeRootElement();
parser._resetInsertionMode();
parser._findFormInFragmentContext();
return parser;
}
getFragment() {
const rootElement = this.treeAdapter.getFirstChild(this.document);
const fragment = this.treeAdapter.createDocumentFragment();
this._adoptNodes(rootElement, fragment);
return fragment;
}
//Errors
_err(token, code, beforeToken) {
var _a;
if (!this.onParseError)
return;
const loc = (_a = token.location) !== null && _a !== void 0 ? _a : BASE_LOC;
const err = {
code,
startLine: loc.startLine,
startCol: loc.startCol,
startOffset: loc.startOffset,
endLine: beforeToken ? loc.startLine : loc.endLine,
endCol: beforeToken ? loc.startCol : loc.endCol,
endOffset: beforeToken ? loc.startOffset : loc.endOffset,
};
this.onParseError(err);
}
//Stack events
onItemPush(node, tid, isTop) {
var _a, _b;
(_b = (_a = this.treeAdapter).onItemPush) === null || _b === void 0 ? void 0 : _b.call(_a, node);
if (isTop && this.openElements.stackTop > 0)
this._setContextModes(node, tid);
}
onItemPop(node, isTop) {
var _a, _b;
if (this.options.sourceCodeLocationInfo) {
this._setEndLocation(node, this.currentToken);
}
(_b = (_a = this.treeAdapter).onItemPop) === null || _b === void 0 ? void 0 : _b.call(_a, node, this.openElements.current);
if (isTop) {
let current;
let currentTagId;
if (this.openElements.stackTop === 0 && this.fragmentContext) {
current = this.fragmentContext;
currentTagId = this.fragmentContextID;
}
else {
({ current, currentTagId } = this.openElements);
}
this._setContextModes(current, currentTagId);
}
}
_setContextModes(current, tid) {
const isHTML = current === this.document || this.treeAdapter.getNamespaceURI(current) === NS.HTML;
this.currentNotInHTML = !isHTML;
this.tokenizer.inForeignNode = !isHTML && !this._isIntegrationPoint(tid, current);
}
_switchToTextParsing(currentToken, nextTokenizerState) {
this._insertElement(currentToken, NS.HTML);
this.tokenizer.state = nextTokenizerState;
this.originalInsertionMode = this.insertionMode;
this.insertionMode = InsertionMode.TEXT;
}
switchToPlaintextParsing() {
this.insertionMode = InsertionMode.TEXT;
this.originalInsertionMode = InsertionMode.IN_BODY;
this.tokenizer.state = TokenizerMode.PLAINTEXT;
}
//Fragment parsing
_getAdjustedCurrentElement() {
return this.openElements.stackTop === 0 && this.fragmentContext
? this.fragmentContext
: this.openElements.current;
}
_findFormInFragmentContext() {
let node = this.fragmentContext;
while (node) {
if (this.treeAdapter.getTagName(node) === TAG_NAMES.FORM) {
this.formElement = node;
break;
}
node = this.treeAdapter.getParentNode(node);
}
}
_initTokenizerForFragmentParsing() {
if (!this.fragmentContext || this.treeAdapter.getNamespaceURI(this.fragmentContext) !== NS.HTML) {
return;
}
switch (this.fragmentContextID) {
case TAG_ID.TITLE:
case TAG_ID.TEXTAREA: {
this.tokenizer.state = TokenizerMode.RCDATA;
break;
}
case TAG_ID.STYLE:
case TAG_ID.XMP:
case TAG_ID.IFRAME:
case TAG_ID.NOEMBED:
case TAG_ID.NOFRAMES:
case TAG_ID.NOSCRIPT: {
this.tokenizer.state = TokenizerMode.RAWTEXT;
break;
}
case TAG_ID.SCRIPT: {
this.tokenizer.state = TokenizerMode.SCRIPT_DATA;
break;
}
case TAG_ID.PLAINTEXT: {
this.tokenizer.state = TokenizerMode.PLAINTEXT;
break;
}
// Do nothing
}
}
//Tree mutation
_setDocumentType(token) {
const name = token.name || '';
const publicId = token.publicId || '';
const systemId = token.systemId || '';
this.treeAdapter.setDocumentType(this.document, name, publicId, systemId);
if (token.location) {
const documentChildren = this.treeAdapter.getChildNodes(this.document);
const docTypeNode = documentChildren.find((node) => this.treeAdapter.isDocumentTypeNode(node));
if (docTypeNode) {
this.treeAdapter.setNodeSourceCodeLocation(docTypeNode, token.location);
}
}
}
_attachElementToTree(element, location) {
if (this.options.sourceCodeLocationInfo) {
const loc = location && {
...location,
startTag: location,
};
this.treeAdapter.setNodeSourceCodeLocation(element, loc);
}
if (this._shouldFosterParentOnInsertion()) {
this._fosterParentElement(element);
}
else {
const parent = this.openElements.currentTmplContentOrNode;
this.treeAdapter.appendChild(parent, element);
}
}
_appendElement(token, namespaceURI) {
const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs);
this._attachElementToTree(element, token.location);
}
_insertElement(token, namespaceURI) {
const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs);
this._attachElementToTree(element, token.location);
this.openElements.push(element, token.tagID);
}
_insertFakeElement(tagName, tagID) {
const element = this.treeAdapter.createElement(tagName, NS.HTML, []);
this._attachElementToTree(element, null);
this.openElements.push(element, tagID);
}
_insertTemplate(token) {
const tmpl = this.treeAdapter.createElement(token.tagName, NS.HTML, token.attrs);
const content = this.treeAdapter.createDocumentFragment();
this.treeAdapter.setTemplateContent(tmpl, content);
this._attachElementToTree(tmpl, token.location);
this.openElements.push(tmpl, token.tagID);
if (this.options.sourceCodeLocationInfo)
this.treeAdapter.setNodeSourceCodeLocation(content, null);
}
_insertFakeRootElement() {
const element = this.treeAdapter.createElement(TAG_NAMES.HTML, NS.HTML, []);
if (this.options.sourceCodeLocationInfo)
this.treeAdapter.setNodeSourceCodeLocation(element, null);
this.treeAdapter.appendChild(this.openElements.current, element);
this.openElements.push(element, TAG_ID.HTML);
}
_appendCommentNode(token, parent) {
const commentNode = this.treeAdapter.createCommentNode(token.data);
this.treeAdapter.appendChild(parent, commentNode);
if (this.options.sourceCodeLocationInfo) {
this.treeAdapter.setNodeSourceCodeLocation(commentNode, token.location);
}
}
_insertCharacters(token) {
let parent;
let beforeElement;
if (this._shouldFosterParentOnInsertion()) {
({ parent, beforeElement } = this._findFosterParentingLocation());
if (beforeElement) {
this.treeAdapter.insertTextBefore(parent, token.chars, beforeElement);
}
else {
this.treeAdapter.insertText(parent, token.chars);
}
}
else {
parent = this.openElements.currentTmplContentOrNode;
this.treeAdapter.insertText(parent, token.chars);
}
if (!token.location)
return;
const siblings = this.treeAdapter.getChildNodes(parent);
const textNodeIdx = beforeElement ? siblings.lastIndexOf(beforeElement) : siblings.length;
const textNode = siblings[textNodeIdx - 1];
//NOTE: if we have a location assigned by another token, then just update the end position
const tnLoc = this.treeAdapter.getNodeSourceCodeLocation(textNode);
if (tnLoc) {
const { endLine, endCol, endOffset } = token.location;
this.treeAdapter.updateNodeSourceCodeLocation(textNode, { endLine, endCol, endOffset });
}
else if (this.options.sourceCodeLocationInfo) {
this.treeAdapter.setNodeSourceCodeLocation(textNode, token.location);
}
}
_adoptNodes(donor, recipient) {
for (let child = this.treeAdapter.getFirstChild(donor); child; child = this.treeAdapter.getFirstChild(donor)) {
this.treeAdapter.detachNode(child);
this.treeAdapter.appendChild(recipient, child);
}
}
_setEndLocation(element, closingToken) {
if (this.treeAdapter.getNodeSourceCodeLocation(element) && closingToken.location) {
const ctLoc = closingToken.location;
const tn = this.treeAdapter.getTagName(element);
const endLoc =
// NOTE: For cases like <p> <p> </p> - First 'p' closes without a closing
// tag and for cases like <td> <p> </td> - 'p' closes without a closing tag.
closingToken.type === TokenType.END_TAG && tn === closingToken.tagName
? {
endTag: { ...ctLoc },
endLine: ctLoc.endLine,
endCol: ctLoc.endCol,
endOffset: ctLoc.endOffset,
}
: {
endLine: ctLoc.startLine,
endCol: ctLoc.startCol,
endOffset: ctLoc.startOffset,
};
this.treeAdapter.updateNodeSourceCodeLocation(element, endLoc);
}
}
//Token processing
shouldProcessStartTagTokenInForeignContent(token) {
// Check that neither current === document, or ns === NS.HTML
if (!this.currentNotInHTML)
return false;
let current;
let currentTagId;
if (this.openElements.stackTop === 0 && this.fragmentContext) {
current = this.fragmentContext;
currentTagId = this.fragmentContextID;
}
else {
({ current, currentTagId } = this.openElements);
}
if (token.tagID === TAG_ID.SVG &&
this.treeAdapter.getTagName(current) === TAG_NAMES.ANNOTATION_XML &&
this.treeAdapter.getNamespaceURI(current) === NS.MATHML) {
return false;
}
return (
// Check that `current` is not an integration point for HTML or MathML elements.
this.tokenizer.inForeignNode ||
// If it _is_ an integration point, then we might have to check that it is not an HTML
// integration point.
((token.tagID === TAG_ID.MGLYPH || token.tagID === TAG_ID.MALIGNMARK) &&
!this._isIntegrationPoint(currentTagId, current, NS.HTML)));
}
_processToken(token) {
switch (token.type) {
case TokenType.CHARACTER: {
this.onCharacter(token);
break;
}
case TokenType.NULL_CHARACTER: {
this.onNullCharacter(token);
break;
}
case TokenType.COMMENT: {
this.onComment(token);
break;
}
case TokenType.DOCTYPE: {
this.onDoctype(token);
break;
}
case TokenType.START_TAG: {
this._processStartTag(token);
break;
}
case TokenType.END_TAG: {
this.onEndTag(token);
break;
}
case TokenType.EOF: {
this.onEof(token);
break;
}
case TokenType.WHITESPACE_CHARACTER: {
this.onWhitespaceCharacter(token);
break;
}
}
}
//Integration points
_isIntegrationPoint(tid, element, foreignNS) {
const ns = this.treeAdapter.getNamespaceURI(element);
const attrs = this.treeAdapter.getAttrList(element);
return isIntegrationPoint(tid, ns, attrs, foreignNS);
}
//Active formatting elements reconstruction
_reconstructActiveFormattingElements() {
const listLength = this.activeFormattingElements.entries.length;
if (listLength) {
const endIndex = this.activeFormattingElements.entries.findIndex((entry) => entry.type === EntryType.Marker || this.openElements.contains(entry.element));
const unopenIdx = endIndex < 0 ? listLength - 1 : endIndex - 1;
for (let i = unopenIdx; i >= 0; i--) {
const entry = this.activeFormattingElements.entries[i];
this._insertElement(entry.token, this.treeAdapter.getNamespaceURI(entry.element));
entry.element = this.openElements.current;
}
}
}
//Close elements
_closeTableCell() {
this.openElements.generateImpliedEndTags();
this.openElements.popUntilTableCellPopped();
this.activeFormattingElements.clearToLastMarker();
this.insertionMode = InsertionMode.IN_ROW;
}
_closePElement() {
this.openElements.generateImpliedEndTagsWithExclusion(TAG_ID.P);
this.openElements.popUntilTagNamePopped(TAG_ID.P);
}
//Insertion modes
_resetInsertionMode() {
for (let i = this.openElements.stackTop; i >= 0; i--) {
//Insertion mode reset map
switch (i === 0 && this.fragmentContext ? this.fragmentContextID : this.openElements.tagIDs[i]) {
case TAG_ID.TR: {
this.insertionMode = InsertionMode.IN_ROW;
return;
}
case TAG_ID.TBODY:
case TAG_ID.THEAD:
case TAG_ID.TFOOT: {
this.insertionMode = InsertionMode.IN_TABLE_BODY;
return;
}
case TAG_ID.CAPTION: {
this.insertionMode = InsertionMode.IN_CAPTION;
return;
}
case TAG_ID.COLGROUP: {
this.insertionMode = InsertionMode.IN_COLUMN_GROUP;
return;
}
case TAG_ID.TABLE: {
this.insertionMode = InsertionMode.IN_TABLE;
return;
}
case TAG_ID.BODY: {
this.insertionMode = InsertionMode.IN_BODY;
return;
}
case TAG_ID.FRAMESET: {
this.insertionMode = InsertionMode.IN_FRAMESET;
return;
}
case TAG_ID.SELECT: {
this._resetInsertionModeForSelect(i);
return;
}
case TAG_ID.TEMPLATE: {
this.insertionMode = this.tmplInsertionModeStack[0];
return;
}
case TAG_ID.HTML: {
this.insertionMode = this.headElement ? InsertionMode.AFTER_HEAD : InsertionMode.BEFORE_HEAD;
return;
}
case TAG_ID.TD:
case TAG_ID.TH: {
if (i > 0) {
this.insertionMode = InsertionMode.IN_CELL;
return;
}
break;
}
case TAG_ID.HEAD: {
if (i > 0) {
this.insertionMode = InsertionMode.IN_HEAD;
return;
}
break;
}
}
}
this.insertionMode = InsertionMode.IN_BODY;
}
_resetInsertionModeForSelect(selectIdx) {
if (selectIdx > 0) {
for (let i = selectIdx - 1; i > 0; i--) {
const tn = this.openElements.tagIDs[i];
if (tn === TAG_ID.TEMPLATE) {
break;
}
else if (tn === TAG_ID.TABLE) {
this.insertionMode = InsertionMode.IN_SELECT_IN_TABLE;
return;
}
}
}
this.insertionMode = InsertionMode.IN_SELECT;
}
//Foster parenting
_isElementCausesFosterParenting(tn) {
return TABLE_STRUCTURE_TAGS.has(tn);
}
_shouldFosterParentOnInsertion() {
return this.fosterParentingEnabled && this._isElementCausesFosterParenting(this.openElements.currentTagId);
}
_findFosterParentingLocation() {
for (let i = this.openElements.stackTop; i >= 0; i--) {
const openElement = this.openElements.items[i];
switch (this.openElements.tagIDs[i]) {
case TAG_ID.TEMPLATE: {
if (this.treeAdapter.getNamespaceURI(openElement) === NS.HTML) {
return { parent: this.treeAdapter.getTemplateContent(openElement), beforeElement: null };
}
break;
}
case TAG_ID.TABLE: {
const parent = this.treeAdapter.getParentNode(openElement);
if (parent) {
return { parent, beforeElement: openElement };
}
return { parent: this.openElements.items[i - 1], beforeElement: null };
}
// Do nothing
}
}
return { parent: this.openElements.items[0], beforeElement: null };
}
_fosterParentElement(element) {
const location = this._findFosterParentingLocation();
if (location.beforeElement) {
this.treeAdapter.insertBefore(location.parent, element, location.beforeElement);
}
else {
this.treeAdapter.appendChild(location.parent, element);
}
}
//Special elements
_isSpecialElement(element, id) {
const ns = this.treeAdapter.getNamespaceURI(element);
return SPECIAL_ELEMENTS[ns].has(id);
}
onCharacter(token) {
this.skipNextNewLine = false;
if (this.tokenizer.inForeignNode) {
characterInForeignContent(this, token);
return;
}
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
tokenInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HTML: {
tokenBeforeHtml(this, token);
break;
}
case InsertionMode.BEFORE_HEAD: {
tokenBeforeHead(this, token);
break;
}
case InsertionMode.IN_HEAD: {
tokenInHead(this, token);
break;
}
case InsertionMode.IN_HEAD_NO_SCRIPT: {
tokenInHeadNoScript(this, token);
break;
}
case InsertionMode.AFTER_HEAD: {
tokenAfterHead(this, token);
break;
}
case InsertionMode.IN_BODY:
case InsertionMode.IN_CAPTION:
case InsertionMode.IN_CELL:
case InsertionMode.IN_TEMPLATE: {
characterInBody(this, token);
break;
}
case InsertionMode.TEXT:
case InsertionMode.IN_SELECT:
case InsertionMode.IN_SELECT_IN_TABLE: {
this._insertCharacters(token);
break;
}
case InsertionMode.IN_TABLE:
case InsertionMode.IN_TABLE_BODY:
case InsertionMode.IN_ROW: {
characterInTable(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
characterInTableText(this, token);
break;
}
case InsertionMode.IN_COLUMN_GROUP: {
tokenInColumnGroup(this, token);
break;
}
case InsertionMode.AFTER_BODY: {
tokenAfterBody(this, token);
break;
}
case InsertionMode.AFTER_AFTER_BODY: {
tokenAfterAfterBody(this, token);
break;
}
// Do nothing
}
}
onNullCharacter(token) {
this.skipNextNewLine = false;
if (this.tokenizer.inForeignNode) {
nullCharacterInForeignContent(this, token);
return;
}
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
tokenInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HTML: {
tokenBeforeHtml(this, token);
break;
}
case InsertionMode.BEFORE_HEAD: {
tokenBeforeHead(this, token);
break;
}
case InsertionMode.IN_HEAD: {
tokenInHead(this, token);
break;
}
case InsertionMode.IN_HEAD_NO_SCRIPT: {
tokenInHeadNoScript(this, token);
break;
}
case InsertionMode.AFTER_HEAD: {
tokenAfterHead(this, token);
break;
}
case InsertionMode.TEXT: {
this._insertCharacters(token);
break;
}
case InsertionMode.IN_TABLE:
case InsertionMode.IN_TABLE_BODY:
case InsertionMode.IN_ROW: {
characterInTable(this, token);
break;
}
case InsertionMode.IN_COLUMN_GROUP: {
tokenInColumnGroup(this, token);
break;
}
case InsertionMode.AFTER_BODY: {
tokenAfterBody(this, token);
break;
}
case InsertionMode.AFTER_AFTER_BODY: {
tokenAfterAfterBody(this, token);
break;
}
// Do nothing
}
}
onComment(token) {
this.skipNextNewLine = false;
if (this.currentNotInHTML) {
appendComment(this, token);
return;
}
switch (this.insertionMode) {
case InsertionMode.INITIAL:
case InsertionMode.BEFORE_HTML:
case InsertionMode.BEFORE_HEAD:
case InsertionMode.IN_HEAD:
case InsertionMode.IN_HEAD_NO_SCRIPT:
case InsertionMode.AFTER_HEAD:
case InsertionMode.IN_BODY:
case InsertionMode.IN_TABLE:
case InsertionMode.IN_CAPTION:
case InsertionMode.IN_COLUMN_GROUP:
case InsertionMode.IN_TABLE_BODY:
case InsertionMode.IN_ROW:
case InsertionMode.IN_CELL:
case InsertionMode.IN_SELECT:
case InsertionMode.IN_SELECT_IN_TABLE:
case InsertionMode.IN_TEMPLATE:
case InsertionMode.IN_FRAMESET:
case InsertionMode.AFTER_FRAMESET: {
appendComment(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
tokenInTableText(this, token);
break;
}
case InsertionMode.AFTER_BODY: {
appendCommentToRootHtmlElement(this, token);
break;
}
case InsertionMode.AFTER_AFTER_BODY:
case InsertionMode.AFTER_AFTER_FRAMESET: {
appendCommentToDocument(this, token);
break;
}
// Do nothing
}
}
onDoctype(token) {
this.skipNextNewLine = false;
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
doctypeInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HEAD:
case InsertionMode.IN_HEAD:
case InsertionMode.IN_HEAD_NO_SCRIPT:
case InsertionMode.AFTER_HEAD: {
this._err(token, ERR.misplacedDoctype);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
tokenInTableText(this, token);
break;
}
// Do nothing
}
}
onStartTag(token) {
this.skipNextNewLine = false;
this.currentToken = token;
this._processStartTag(token);
if (token.selfClosing && !token.ackSelfClosing) {
this._err(token, ERR.nonVoidHtmlElementStartTagWithTrailingSolidus);
}
}
/**
* Processes a given start tag.
*
* `onStartTag` checks if a self-closing tag was recognized. When a token
* is moved inbetween multiple insertion modes, this check for self-closing
* could lead to false positives. To avoid this, `_processStartTag` is used
* for nested calls.
*
* @param token The token to process.
*/
_processStartTag(token) {
if (this.shouldProcessStartTagTokenInForeignContent(token)) {
startTagInForeignContent(this, token);
}
else {
this._startTagOutsideForeignContent(token);
}
}
_startTagOutsideForeignContent(token) {
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
tokenInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HTML: {
startTagBeforeHtml(this, token);
break;
}
case InsertionMode.BEFORE_HEAD: {
startTagBeforeHead(this, token);
break;
}
case InsertionMode.IN_HEAD: {
startTagInHead(this, token);
break;
}
case InsertionMode.IN_HEAD_NO_SCRIPT: {
startTagInHeadNoScript(this, token);
break;
}
case InsertionMode.AFTER_HEAD: {
startTagAfterHead(this, token);
break;
}
case InsertionMode.IN_BODY: {
startTagInBody(this, token);
break;
}
case InsertionMode.IN_TABLE: {
startTagInTable(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
tokenInTableText(this, token);
break;
}
case InsertionMode.IN_CAPTION: {
startTagInCaption(this, token);
break;
}
case InsertionMode.IN_COLUMN_GROUP: {
startTagInColumnGroup(this, token);
break;
}
case InsertionMode.IN_TABLE_BODY: {
startTagInTableBody(this, token);
break;
}
case InsertionMode.IN_ROW: {
startTagInRow(this, token);
break;
}
case InsertionMode.IN_CELL: {
startTagInCell(this, token);
break;
}
case InsertionMode.IN_SELECT: {
startTagInSelect(this, token);
break;
}
case InsertionMode.IN_SELECT_IN_TABLE: {
startTagInSelectInTable(this, token);
break;
}
case InsertionMode.IN_TEMPLATE: {
startTagInTemplate(this, token);
break;
}
case InsertionMode.AFTER_BODY: {
startTagAfterBody(this, token);
break;
}
case InsertionMode.IN_FRAMESET: {
startTagInFrameset(this, token);
break;
}
case InsertionMode.AFTER_FRAMESET: {
startTagAfterFrameset(this, token);
break;
}
case InsertionMode.AFTER_AFTER_BODY: {
startTagAfterAfterBody(this, token);
break;
}
case InsertionMode.AFTER_AFTER_FRAMESET: {
startTagAfterAfterFrameset(this, token);
break;
}
// Do nothing
}
}
onEndTag(token) {
this.skipNextNewLine = false;
this.currentToken = token;
if (this.currentNotInHTML) {
endTagInForeignContent(this, token);
}
else {
this._endTagOutsideForeignContent(token);
}
}
_endTagOutsideForeignContent(token) {
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
tokenInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HTML: {
endTagBeforeHtml(this, token);
break;
}
case InsertionMode.BEFORE_HEAD: {
endTagBeforeHead(this, token);
break;
}
case InsertionMode.IN_HEAD: {
endTagInHead(this, token);
break;
}
case InsertionMode.IN_HEAD_NO_SCRIPT: {
endTagInHeadNoScript(this, token);
break;
}
case InsertionMode.AFTER_HEAD: {
endTagAfterHead(this, token);
break;
}
case InsertionMode.IN_BODY: {
endTagInBody(this, token);
break;
}
case InsertionMode.TEXT: {
endTagInText(this, token);
break;
}
case InsertionMode.IN_TABLE: {
endTagInTable(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
tokenInTableText(this, token);
break;
}
case InsertionMode.IN_CAPTION: {
endTagInCaption(this, token);
break;
}
case InsertionMode.IN_COLUMN_GROUP: {
endTagInColumnGroup(this, token);
break;
}
case InsertionMode.IN_TABLE_BODY: {
endTagInTableBody(this, token);
break;
}
case InsertionMode.IN_ROW: {
endTagInRow(this, token);
break;
}
case InsertionMode.IN_CELL: {
endTagInCell(this, token);
break;
}
case InsertionMode.IN_SELECT: {
endTagInSelect(this, token);
break;
}
case InsertionMode.IN_SELECT_IN_TABLE: {
endTagInSelectInTable(this, token);
break;
}
case InsertionMode.IN_TEMPLATE: {
endTagInTemplate(this, token);
break;
}
case InsertionMode.AFTER_BODY: {
endTagAfterBody(this, token);
break;
}
case InsertionMode.IN_FRAMESET: {
endTagInFrameset(this, token);
break;
}
case InsertionMode.AFTER_FRAMESET: {
endTagAfterFrameset(this, token);
break;
}
case InsertionMode.AFTER_AFTER_BODY: {
tokenAfterAfterBody(this, token);
break;
}
// Do nothing
}
}
onEof(token) {
switch (this.insertionMode) {
case InsertionMode.INITIAL: {
tokenInInitialMode(this, token);
break;
}
case InsertionMode.BEFORE_HTML: {
tokenBeforeHtml(this, token);
break;
}
case InsertionMode.BEFORE_HEAD: {
tokenBeforeHead(this, token);
break;
}
case InsertionMode.IN_HEAD: {
tokenInHead(this, token);
break;
}
case InsertionMode.IN_HEAD_NO_SCRIPT: {
tokenInHeadNoScript(this, token);
break;
}
case InsertionMode.AFTER_HEAD: {
tokenAfterHead(this, token);
break;
}
case InsertionMode.IN_BODY:
case InsertionMode.IN_TABLE:
case InsertionMode.IN_CAPTION:
case InsertionMode.IN_COLUMN_GROUP:
case InsertionMode.IN_TABLE_BODY:
case InsertionMode.IN_ROW:
case InsertionMode.IN_CELL:
case InsertionMode.IN_SELECT:
case InsertionMode.IN_SELECT_IN_TABLE: {
eofInBody(this, token);
break;
}
case InsertionMode.TEXT: {
eofInText(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
tokenInTableText(this, token);
break;
}
case InsertionMode.IN_TEMPLATE: {
eofInTemplate(this, token);
break;
}
case InsertionMode.AFTER_BODY:
case InsertionMode.IN_FRAMESET:
case InsertionMode.AFTER_FRAMESET:
case InsertionMode.AFTER_AFTER_BODY:
case InsertionMode.AFTER_AFTER_FRAMESET: {
stopParsing(this, token);
break;
}
// Do nothing
}
}
onWhitespaceCharacter(token) {
if (this.skipNextNewLine) {
this.skipNextNewLine = false;
if (token.chars.charCodeAt(0) === CODE_POINTS.LINE_FEED) {
if (token.chars.length === 1) {
return;
}
token.chars = token.chars.substr(1);
}
}
if (this.tokenizer.inForeignNode) {
this._insertCharacters(token);
return;
}
switch (this.insertionMode) {
case InsertionMode.IN_HEAD:
case InsertionMode.IN_HEAD_NO_SCRIPT:
case InsertionMode.AFTER_HEAD:
case InsertionMode.TEXT:
case InsertionMode.IN_COLUMN_GROUP:
case InsertionMode.IN_SELECT:
case InsertionMode.IN_SELECT_IN_TABLE:
case InsertionMode.IN_FRAMESET:
case InsertionMode.AFTER_FRAMESET: {
this._insertCharacters(token);
break;
}
case InsertionMode.IN_BODY:
case InsertionMode.IN_CAPTION:
case InsertionMode.IN_CELL:
case InsertionMode.IN_TEMPLATE:
case InsertionMode.AFTER_BODY:
case InsertionMode.AFTER_AFTER_BODY:
case InsertionMode.AFTER_AFTER_FRAMESET: {
whitespaceCharacterInBody(this, token);
break;
}
case InsertionMode.IN_TABLE:
case InsertionMode.IN_TABLE_BODY:
case InsertionMode.IN_ROW: {
characterInTable(this, token);
break;
}
case InsertionMode.IN_TABLE_TEXT: {
whitespaceCharacterInTableText(this, token);
break;
}
// Do nothing
}
}
}
//Adoption agency algorithm
//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#adoptionAgency)
//------------------------------------------------------------------
//Steps 5-8 of the algorithm
function aaObtainFormattingElementEntry(p, token) {
let formattingElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(token.tagName);
if (formattingElementEntry) {
if (!p.openElements.contains(formattingElementEntry.element)) {
p.activeFormattingElements.removeEntry(formattingElementEntry);
formattingElementEntry = null;
}
else if (!p.openElements.hasInScope(token.tagID)) {
formattingElementEntry = null;
}
}
else {
genericEndTagInBody(p, token);
}
return formattingElementEntry;
}
//Steps 9 and 10 of the algorithm
function aaObtainFurthestBlock(p, formattingElementEntry) {
let furthestBlock = null;
let idx = p.openElements.stackTop;
for (; idx >= 0; idx--) {
const element = p.openElements.items[idx];
if (element === formattingElementEntry.element) {
break;
}
if (p._isSpecialElement(element, p.openElements.tagIDs[idx])) {
furthestBlock = element;
}
}
if (!furthestBlock) {
p.openElements.shortenToLength(idx < 0 ? 0 : idx);
p.activeFormattingElements.removeEntry(formattingElementEntry);
}
return furthestBlock;
}
//Step 13 of the algorithm
function aaInnerLoop(p, furthestBlock, formattingElement) {
let lastElement = furthestBlock;
let nextElement = p.openElements.getCommonAncestor(furthestBlock);
for (let i = 0, element = nextElement; element !== formattingElement; i++, element = nextElement) {
//NOTE: store the next element for the next loop iteration (it may be deleted from the stack by step 9.5)
nextElement = p.openElements.getCommonAncestor(element);
const elementEntry = p.activeFormattingElements.getElementEntry(element);
const counterOverflow = elementEntry && i >= AA_INNER_LOOP_ITER;
const shouldRemoveFromOpenElements = !elementEntry || counterOverflow;
if (shouldRemoveFromOpenElements) {
if (counterOverflow) {
p.activeFormattingElements.removeEntry(elementEntry);
}
p.openElements.remove(element);
}
else {
element = aaRecreateElementFromEntry(p, elementEntry);
if (lastElement === furthestBlock) {
p.activeFormattingElements.bookmark = elementEntry;
}
p.treeAdapter.detachNode(lastElement);
p.treeAdapter.appendChild(element, lastElement);
lastElement = element;
}
}
return lastElement;
}
//Step 13.7 of the algorithm
function aaRecreateElementFromEntry(p, elementEntry) {
const ns = p.treeAdapter.getNamespaceURI(elementEntry.element);
const newElement = p.treeAdapter.createElement(elementEntry.token.tagName, ns, elementEntry.token.attrs);
p.openElements.replace(elementEntry.element, newElement);
elementEntry.element = newElement;
return newElement;
}
//Step 14 of the algorithm
function aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement) {
const tn = p.treeAdapter.getTagName(commonAncestor);
const tid = getTagID(tn);
if (p._isElementCausesFosterParenting(tid)) {
p._fosterParentElement(lastElement);
}
else {
const ns = p.treeAdapter.getNamespaceURI(commonAncestor);
if (tid === TAG_ID.TEMPLATE && ns === NS.HTML) {
commonAncestor = p.treeAdapter.getTemplateContent(commonAncestor);
}
p.treeAdapter.appendChild(commonAncestor, lastElement);
}
}
//Steps 15-19 of the algorithm
function aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry) {
const ns = p.treeAdapter.getNamespaceURI(formattingElementEntry.element);
const { token } = formattingElementEntry;
const newElement = p.treeAdapter.createElement(token.tagName, ns, token.attrs);
p._adoptNodes(furthestBlock, newElement);
p.treeAdapter.appendChild(furthestBlock, newElement);
p.activeFormattingElements.insertElementAfterBookmark(newElement, token);
p.activeFormattingElements.removeEntry(formattingElementEntry);
p.openElements.remove(formattingElementEntry.element);
p.openElements.insertAfter(furthestBlock, newElement, token.tagID);
}
//Algorithm entry point
function callAdoptionAgency(p, token) {
for (let i = 0; i < AA_OUTER_LOOP_ITER; i++) {
const formattingElementEntry = aaObtainFormattingElementEntry(p, token);
if (!formattingElementEntry) {
break;
}
const furthestBlock = aaObtainFurthestBlock(p, formattingElementEntry);
if (!furthestBlock) {
break;
}
p.activeFormattingElements.bookmark = formattingElementEntry;
const lastElement = aaInnerLoop(p, furthestBlock, formattingElementEntry.element);
const commonAncestor = p.openElements.getCommonAncestor(formattingElementEntry.element);
p.treeAdapter.detachNode(lastElement);
if (commonAncestor)
aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement);
aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry);
}
}
//Generic token handlers
//------------------------------------------------------------------
function appendComment(p, token) {
p._appendCommentNode(token, p.openElements.currentTmplContentOrNode);
}
function appendCommentToRootHtmlElement(p, token) {
p._appendCommentNode(token, p.openElements.items[0]);
}
function appendCommentToDocument(p, token) {
p._appendCommentNode(token, p.document);
}
function stopParsing(p, token) {
p.stopped = true;
// NOTE: Set end locations for elements that remain on the open element stack.
if (token.location) {
// NOTE: If we are not in a fragment, `html` and `body` will stay on the stack.
// This is a problem, as we might overwrite their end position here.
const target = p.fragmentContext ? 0 : 2;
for (let i = p.openElements.stackTop; i >= target; i--) {
p._setEndLocation(p.openElements.items[i], token);
}
// Handle `html` and `body`
if (!p.fragmentContext && p.openElements.stackTop >= 0) {
const htmlElement = p.openElements.items[0];
const htmlLocation = p.treeAdapter.getNodeSourceCodeLocation(htmlElement);
if (htmlLocation && !htmlLocation.endTag) {
p._setEndLocation(htmlElement, token);
if (p.openElements.stackTop >= 1) {
const bodyElement = p.openElements.items[1];
const bodyLocation = p.treeAdapter.getNodeSourceCodeLocation(bodyElement);
if (bodyLocation && !bodyLocation.endTag) {
p._setEndLocation(bodyElement, token);
}
}
}
}
}
}
// The "initial" insertion mode
//------------------------------------------------------------------
function doctypeInInitialMode(p, token) {
p._setDocumentType(token);
const mode = token.forceQuirks ? DOCUMENT_MODE.QUIRKS : getDocumentMode(token);
if (!isConforming(token)) {
p._err(token, ERR.nonConformingDoctype);
}
p.treeAdapter.setDocumentMode(p.document, mode);
p.insertionMode = InsertionMode.BEFORE_HTML;
}
function tokenInInitialMode(p, token) {
p._err(token, ERR.missingDoctype, true);
p.treeAdapter.setDocumentMode(p.document, DOCUMENT_MODE.QUIRKS);
p.insertionMode = InsertionMode.BEFORE_HTML;
p._processToken(token);
}
// The "before html" insertion mode
//------------------------------------------------------------------
function startTagBeforeHtml(p, token) {
if (token.tagID === TAG_ID.HTML) {
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.BEFORE_HEAD;
}
else {
tokenBeforeHtml(p, token);
}
}
function endTagBeforeHtml(p, token) {
const tn = token.tagID;
if (tn === TAG_ID.HTML || tn === TAG_ID.HEAD || tn === TAG_ID.BODY || tn === TAG_ID.BR) {
tokenBeforeHtml(p, token);
}
}
function tokenBeforeHtml(p, token) {
p._insertFakeRootElement();
p.insertionMode = InsertionMode.BEFORE_HEAD;
p._processToken(token);
}
// The "before head" insertion mode
//------------------------------------------------------------------
function startTagBeforeHead(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.HEAD: {
p._insertElement(token, NS.HTML);
p.headElement = p.openElements.current;
p.insertionMode = InsertionMode.IN_HEAD;
break;
}
default: {
tokenBeforeHead(p, token);
}
}
}
function endTagBeforeHead(p, token) {
const tn = token.tagID;
if (tn === TAG_ID.HEAD || tn === TAG_ID.BODY || tn === TAG_ID.HTML || tn === TAG_ID.BR) {
tokenBeforeHead(p, token);
}
else {
p._err(token, ERR.endTagWithoutMatchingOpenElement);
}
}
function tokenBeforeHead(p, token) {
p._insertFakeElement(TAG_NAMES.HEAD, TAG_ID.HEAD);
p.headElement = p.openElements.current;
p.insertionMode = InsertionMode.IN_HEAD;
p._processToken(token);
}
// The "in head" insertion mode
//------------------------------------------------------------------
function startTagInHead(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.BASE:
case TAG_ID.BASEFONT:
case TAG_ID.BGSOUND:
case TAG_ID.LINK:
case TAG_ID.META: {
p._appendElement(token, NS.HTML);
token.ackSelfClosing = true;
break;
}
case TAG_ID.TITLE: {
p._switchToTextParsing(token, TokenizerMode.RCDATA);
break;
}
case TAG_ID.NOSCRIPT: {
if (p.options.scriptingEnabled) {
p._switchToTextParsing(token, TokenizerMode.RAWTEXT);
}
else {
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_HEAD_NO_SCRIPT;
}
break;
}
case TAG_ID.NOFRAMES:
case TAG_ID.STYLE: {
p._switchToTextParsing(token, TokenizerMode.RAWTEXT);
break;
}
case TAG_ID.SCRIPT: {
p._switchToTextParsing(token, TokenizerMode.SCRIPT_DATA);
break;
}
case TAG_ID.TEMPLATE: {
p._insertTemplate(token);
p.activeFormattingElements.insertMarker();
p.framesetOk = false;
p.insertionMode = InsertionMode.IN_TEMPLATE;
p.tmplInsertionModeStack.unshift(InsertionMode.IN_TEMPLATE);
break;
}
case TAG_ID.HEAD: {
p._err(token, ERR.misplacedStartTagForHeadElement);
break;
}
default: {
tokenInHead(p, token);
}
}
}
function endTagInHead(p, token) {
switch (token.tagID) {
case TAG_ID.HEAD: {
p.openElements.pop();
p.insertionMode = InsertionMode.AFTER_HEAD;
break;
}
case TAG_ID.BODY:
case TAG_ID.BR:
case TAG_ID.HTML: {
tokenInHead(p, token);
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
default: {
p._err(token, ERR.endTagWithoutMatchingOpenElement);
}
}
}
function templateEndTagInHead(p, token) {
if (p.openElements.tmplCount > 0) {
p.openElements.generateImpliedEndTagsThoroughly();
if (p.openElements.currentTagId !== TAG_ID.TEMPLATE) {
p._err(token, ERR.closingOfElementWithOpenChildElements);
}
p.openElements.popUntilTagNamePopped(TAG_ID.TEMPLATE);
p.activeFormattingElements.clearToLastMarker();
p.tmplInsertionModeStack.shift();
p._resetInsertionMode();
}
else {
p._err(token, ERR.endTagWithoutMatchingOpenElement);
}
}
function tokenInHead(p, token) {
p.openElements.pop();
p.insertionMode = InsertionMode.AFTER_HEAD;
p._processToken(token);
}
// The "in head no script" insertion mode
//------------------------------------------------------------------
function startTagInHeadNoScript(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.BASEFONT:
case TAG_ID.BGSOUND:
case TAG_ID.HEAD:
case TAG_ID.LINK:
case TAG_ID.META:
case TAG_ID.NOFRAMES:
case TAG_ID.STYLE: {
startTagInHead(p, token);
break;
}
case TAG_ID.NOSCRIPT: {
p._err(token, ERR.nestedNoscriptInHead);
break;
}
default: {
tokenInHeadNoScript(p, token);
}
}
}
function endTagInHeadNoScript(p, token) {
switch (token.tagID) {
case TAG_ID.NOSCRIPT: {
p.openElements.pop();
p.insertionMode = InsertionMode.IN_HEAD;
break;
}
case TAG_ID.BR: {
tokenInHeadNoScript(p, token);
break;
}
default: {
p._err(token, ERR.endTagWithoutMatchingOpenElement);
}
}
}
function tokenInHeadNoScript(p, token) {
const errCode = token.type === TokenType.EOF ? ERR.openElementsLeftAfterEof : ERR.disallowedContentInNoscriptInHead;
p._err(token, errCode);
p.openElements.pop();
p.insertionMode = InsertionMode.IN_HEAD;
p._processToken(token);
}
// The "after head" insertion mode
//------------------------------------------------------------------
function startTagAfterHead(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.BODY: {
p._insertElement(token, NS.HTML);
p.framesetOk = false;
p.insertionMode = InsertionMode.IN_BODY;
break;
}
case TAG_ID.FRAMESET: {
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_FRAMESET;
break;
}
case TAG_ID.BASE:
case TAG_ID.BASEFONT:
case TAG_ID.BGSOUND:
case TAG_ID.LINK:
case TAG_ID.META:
case TAG_ID.NOFRAMES:
case TAG_ID.SCRIPT:
case TAG_ID.STYLE:
case TAG_ID.TEMPLATE:
case TAG_ID.TITLE: {
p._err(token, ERR.abandonedHeadElementChild);
p.openElements.push(p.headElement, TAG_ID.HEAD);
startTagInHead(p, token);
p.openElements.remove(p.headElement);
break;
}
case TAG_ID.HEAD: {
p._err(token, ERR.misplacedStartTagForHeadElement);
break;
}
default: {
tokenAfterHead(p, token);
}
}
}
function endTagAfterHead(p, token) {
switch (token.tagID) {
case TAG_ID.BODY:
case TAG_ID.HTML:
case TAG_ID.BR: {
tokenAfterHead(p, token);
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
default: {
p._err(token, ERR.endTagWithoutMatchingOpenElement);
}
}
}
function tokenAfterHead(p, token) {
p._insertFakeElement(TAG_NAMES.BODY, TAG_ID.BODY);
p.insertionMode = InsertionMode.IN_BODY;
modeInBody(p, token);
}
// The "in body" insertion mode
//------------------------------------------------------------------
function modeInBody(p, token) {
switch (token.type) {
case TokenType.CHARACTER: {
characterInBody(p, token);
break;
}
case TokenType.WHITESPACE_CHARACTER: {
whitespaceCharacterInBody(p, token);
break;
}
case TokenType.COMMENT: {
appendComment(p, token);
break;
}
case TokenType.START_TAG: {
startTagInBody(p, token);
break;
}
case TokenType.END_TAG: {
endTagInBody(p, token);
break;
}
case TokenType.EOF: {
eofInBody(p, token);
break;
}
// Do nothing
}
}
function whitespaceCharacterInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertCharacters(token);
}
function characterInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertCharacters(token);
p.framesetOk = false;
}
function htmlStartTagInBody(p, token) {
if (p.openElements.tmplCount === 0) {
p.treeAdapter.adoptAttributes(p.openElements.items[0], token.attrs);
}
}
function bodyStartTagInBody(p, token) {
const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
if (bodyElement && p.openElements.tmplCount === 0) {
p.framesetOk = false;
p.treeAdapter.adoptAttributes(bodyElement, token.attrs);
}
}
function framesetStartTagInBody(p, token) {
const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
if (p.framesetOk && bodyElement) {
p.treeAdapter.detachNode(bodyElement);
p.openElements.popAllUpToHtmlElement();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_FRAMESET;
}
}
function addressStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
}
function numberedHeaderStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
if (isNumberedHeader(p.openElements.currentTagId)) {
p.openElements.pop();
}
p._insertElement(token, NS.HTML);
}
function preStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
//NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move
//on to the next one. (Newlines at the start of pre blocks are ignored as an authoring convenience.)
p.skipNextNewLine = true;
p.framesetOk = false;
}
function formStartTagInBody(p, token) {
const inTemplate = p.openElements.tmplCount > 0;
if (!p.formElement || inTemplate) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
if (!inTemplate) {
p.formElement = p.openElements.current;
}
}
}
function listItemStartTagInBody(p, token) {
p.framesetOk = false;
const tn = token.tagID;
for (let i = p.openElements.stackTop; i >= 0; i--) {
const elementId = p.openElements.tagIDs[i];
if ((tn === TAG_ID.LI && elementId === TAG_ID.LI) ||
((tn === TAG_ID.DD || tn === TAG_ID.DT) && (elementId === TAG_ID.DD || elementId === TAG_ID.DT))) {
p.openElements.generateImpliedEndTagsWithExclusion(elementId);
p.openElements.popUntilTagNamePopped(elementId);
break;
}
if (elementId !== TAG_ID.ADDRESS &&
elementId !== TAG_ID.DIV &&
elementId !== TAG_ID.P &&
p._isSpecialElement(p.openElements.items[i], elementId)) {
break;
}
}
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
}
function plaintextStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
p.tokenizer.state = TokenizerMode.PLAINTEXT;
}
function buttonStartTagInBody(p, token) {
if (p.openElements.hasInScope(TAG_ID.BUTTON)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(TAG_ID.BUTTON);
}
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
p.framesetOk = false;
}
function aStartTagInBody(p, token) {
const activeElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(TAG_NAMES.A);
if (activeElementEntry) {
callAdoptionAgency(p, token);
p.openElements.remove(activeElementEntry.element);
p.activeFormattingElements.removeEntry(activeElementEntry);
}
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
p.activeFormattingElements.pushElement(p.openElements.current, token);
}
function bStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
p.activeFormattingElements.pushElement(p.openElements.current, token);
}
function nobrStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
if (p.openElements.hasInScope(TAG_ID.NOBR)) {
callAdoptionAgency(p, token);
p._reconstructActiveFormattingElements();
}
p._insertElement(token, NS.HTML);
p.activeFormattingElements.pushElement(p.openElements.current, token);
}
function appletStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
p.activeFormattingElements.insertMarker();
p.framesetOk = false;
}
function tableStartTagInBody(p, token) {
if (p.treeAdapter.getDocumentMode(p.document) !== DOCUMENT_MODE.QUIRKS && p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._insertElement(token, NS.HTML);
p.framesetOk = false;
p.insertionMode = InsertionMode.IN_TABLE;
}
function areaStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._appendElement(token, NS.HTML);
p.framesetOk = false;
token.ackSelfClosing = true;
}
function isHiddenInput(token) {
const inputType = getTokenAttr(token, ATTRS.TYPE);
return inputType != null && inputType.toLowerCase() === HIDDEN_INPUT_TYPE;
}
function inputStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._appendElement(token, NS.HTML);
if (!isHiddenInput(token)) {
p.framesetOk = false;
}
token.ackSelfClosing = true;
}
function paramStartTagInBody(p, token) {
p._appendElement(token, NS.HTML);
token.ackSelfClosing = true;
}
function hrStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._appendElement(token, NS.HTML);
p.framesetOk = false;
token.ackSelfClosing = true;
}
function imageStartTagInBody(p, token) {
token.tagName = TAG_NAMES.IMG;
token.tagID = TAG_ID.IMG;
areaStartTagInBody(p, token);
}
function textareaStartTagInBody(p, token) {
p._insertElement(token, NS.HTML);
//NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move
//on to the next one. (Newlines at the start of textarea elements are ignored as an authoring convenience.)
p.skipNextNewLine = true;
p.tokenizer.state = TokenizerMode.RCDATA;
p.originalInsertionMode = p.insertionMode;
p.framesetOk = false;
p.insertionMode = InsertionMode.TEXT;
}
function xmpStartTagInBody(p, token) {
if (p.openElements.hasInButtonScope(TAG_ID.P)) {
p._closePElement();
}
p._reconstructActiveFormattingElements();
p.framesetOk = false;
p._switchToTextParsing(token, TokenizerMode.RAWTEXT);
}
function iframeStartTagInBody(p, token) {
p.framesetOk = false;
p._switchToTextParsing(token, TokenizerMode.RAWTEXT);
}
//NOTE: here we assume that we always act as an user agent with enabled plugins, so we parse
//<noembed> as rawtext.
function noembedStartTagInBody(p, token) {
p._switchToTextParsing(token, TokenizerMode.RAWTEXT);
}
function selectStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
p.framesetOk = false;
p.insertionMode =
p.insertionMode === InsertionMode.IN_TABLE ||
p.insertionMode === InsertionMode.IN_CAPTION ||
p.insertionMode === InsertionMode.IN_TABLE_BODY ||
p.insertionMode === InsertionMode.IN_ROW ||
p.insertionMode === InsertionMode.IN_CELL
? InsertionMode.IN_SELECT_IN_TABLE
: InsertionMode.IN_SELECT;
}
function optgroupStartTagInBody(p, token) {
if (p.openElements.currentTagId === TAG_ID.OPTION) {
p.openElements.pop();
}
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
}
function rbStartTagInBody(p, token) {
if (p.openElements.hasInScope(TAG_ID.RUBY)) {
p.openElements.generateImpliedEndTags();
}
p._insertElement(token, NS.HTML);
}
function rtStartTagInBody(p, token) {
if (p.openElements.hasInScope(TAG_ID.RUBY)) {
p.openElements.generateImpliedEndTagsWithExclusion(TAG_ID.RTC);
}
p._insertElement(token, NS.HTML);
}
function mathStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
adjustTokenMathMLAttrs(token);
adjustTokenXMLAttrs(token);
if (token.selfClosing) {
p._appendElement(token, NS.MATHML);
}
else {
p._insertElement(token, NS.MATHML);
}
token.ackSelfClosing = true;
}
function svgStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
adjustTokenSVGAttrs(token);
adjustTokenXMLAttrs(token);
if (token.selfClosing) {
p._appendElement(token, NS.SVG);
}
else {
p._insertElement(token, NS.SVG);
}
token.ackSelfClosing = true;
}
function genericStartTagInBody(p, token) {
p._reconstructActiveFormattingElements();
p._insertElement(token, NS.HTML);
}
function startTagInBody(p, token) {
switch (token.tagID) {
case TAG_ID.I:
case TAG_ID.S:
case TAG_ID.B:
case TAG_ID.U:
case TAG_ID.EM:
case TAG_ID.TT:
case TAG_ID.BIG:
case TAG_ID.CODE:
case TAG_ID.FONT:
case TAG_ID.SMALL:
case TAG_ID.STRIKE:
case TAG_ID.STRONG: {
bStartTagInBody(p, token);
break;
}
case TAG_ID.A: {
aStartTagInBody(p, token);
break;
}
case TAG_ID.H1:
case TAG_ID.H2:
case TAG_ID.H3:
case TAG_ID.H4:
case TAG_ID.H5:
case TAG_ID.H6: {
numberedHeaderStartTagInBody(p, token);
break;
}
case TAG_ID.P:
case TAG_ID.DL:
case TAG_ID.OL:
case TAG_ID.UL:
case TAG_ID.DIV:
case TAG_ID.DIR:
case TAG_ID.NAV:
case TAG_ID.MAIN:
case TAG_ID.MENU:
case TAG_ID.ASIDE:
case TAG_ID.CENTER:
case TAG_ID.FIGURE:
case TAG_ID.FOOTER:
case TAG_ID.HEADER:
case TAG_ID.HGROUP:
case TAG_ID.DIALOG:
case TAG_ID.DETAILS:
case TAG_ID.ADDRESS:
case TAG_ID.ARTICLE:
case TAG_ID.SECTION:
case TAG_ID.SUMMARY:
case TAG_ID.FIELDSET:
case TAG_ID.BLOCKQUOTE:
case TAG_ID.FIGCAPTION: {
addressStartTagInBody(p, token);
break;
}
case TAG_ID.LI:
case TAG_ID.DD:
case TAG_ID.DT: {
listItemStartTagInBody(p, token);
break;
}
case TAG_ID.BR:
case TAG_ID.IMG:
case TAG_ID.WBR:
case TAG_ID.AREA:
case TAG_ID.EMBED:
case TAG_ID.KEYGEN: {
areaStartTagInBody(p, token);
break;
}
case TAG_ID.HR: {
hrStartTagInBody(p, token);
break;
}
case TAG_ID.RB:
case TAG_ID.RTC: {
rbStartTagInBody(p, token);
break;
}
case TAG_ID.RT:
case TAG_ID.RP: {
rtStartTagInBody(p, token);
break;
}
case TAG_ID.PRE:
case TAG_ID.LISTING: {
preStartTagInBody(p, token);
break;
}
case TAG_ID.XMP: {
xmpStartTagInBody(p, token);
break;
}
case TAG_ID.SVG: {
svgStartTagInBody(p, token);
break;
}
case TAG_ID.HTML: {
htmlStartTagInBody(p, token);
break;
}
case TAG_ID.BASE:
case TAG_ID.LINK:
case TAG_ID.META:
case TAG_ID.STYLE:
case TAG_ID.TITLE:
case TAG_ID.SCRIPT:
case TAG_ID.BGSOUND:
case TAG_ID.BASEFONT:
case TAG_ID.TEMPLATE: {
startTagInHead(p, token);
break;
}
case TAG_ID.BODY: {
bodyStartTagInBody(p, token);
break;
}
case TAG_ID.FORM: {
formStartTagInBody(p, token);
break;
}
case TAG_ID.NOBR: {
nobrStartTagInBody(p, token);
break;
}
case TAG_ID.MATH: {
mathStartTagInBody(p, token);
break;
}
case TAG_ID.TABLE: {
tableStartTagInBody(p, token);
break;
}
case TAG_ID.INPUT: {
inputStartTagInBody(p, token);
break;
}
case TAG_ID.PARAM:
case TAG_ID.TRACK:
case TAG_ID.SOURCE: {
paramStartTagInBody(p, token);
break;
}
case TAG_ID.IMAGE: {
imageStartTagInBody(p, token);
break;
}
case TAG_ID.BUTTON: {
buttonStartTagInBody(p, token);
break;
}
case TAG_ID.APPLET:
case TAG_ID.OBJECT:
case TAG_ID.MARQUEE: {
appletStartTagInBody(p, token);
break;
}
case TAG_ID.IFRAME: {
iframeStartTagInBody(p, token);
break;
}
case TAG_ID.SELECT: {
selectStartTagInBody(p, token);
break;
}
case TAG_ID.OPTION:
case TAG_ID.OPTGROUP: {
optgroupStartTagInBody(p, token);
break;
}
case TAG_ID.NOEMBED: {
noembedStartTagInBody(p, token);
break;
}
case TAG_ID.FRAMESET: {
framesetStartTagInBody(p, token);
break;
}
case TAG_ID.TEXTAREA: {
textareaStartTagInBody(p, token);
break;
}
case TAG_ID.NOSCRIPT: {
if (p.options.scriptingEnabled) {
noembedStartTagInBody(p, token);
}
else {
genericStartTagInBody(p, token);
}
break;
}
case TAG_ID.PLAINTEXT: {
plaintextStartTagInBody(p, token);
break;
}
case TAG_ID.COL:
case TAG_ID.TH:
case TAG_ID.TD:
case TAG_ID.TR:
case TAG_ID.HEAD:
case TAG_ID.FRAME:
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD:
case TAG_ID.CAPTION:
case TAG_ID.COLGROUP: {
// Ignore token
break;
}
default: {
genericStartTagInBody(p, token);
}
}
}
function bodyEndTagInBody(p, token) {
if (p.openElements.hasInScope(TAG_ID.BODY)) {
p.insertionMode = InsertionMode.AFTER_BODY;
//NOTE: <body> is never popped from the stack, so we need to updated
//the end location explicitly.
if (p.options.sourceCodeLocationInfo) {
const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
if (bodyElement) {
p._setEndLocation(bodyElement, token);
}
}
}
}
function htmlEndTagInBody(p, token) {
if (p.openElements.hasInScope(TAG_ID.BODY)) {
p.insertionMode = InsertionMode.AFTER_BODY;
endTagAfterBody(p, token);
}
}
function addressEndTagInBody(p, token) {
const tn = token.tagID;
if (p.openElements.hasInScope(tn)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(tn);
}
}
function formEndTagInBody(p) {
const inTemplate = p.openElements.tmplCount > 0;
const { formElement } = p;
if (!inTemplate) {
p.formElement = null;
}
if ((formElement || inTemplate) && p.openElements.hasInScope(TAG_ID.FORM)) {
p.openElements.generateImpliedEndTags();
if (inTemplate) {
p.openElements.popUntilTagNamePopped(TAG_ID.FORM);
}
else if (formElement) {
p.openElements.remove(formElement);
}
}
}
function pEndTagInBody(p) {
if (!p.openElements.hasInButtonScope(TAG_ID.P)) {
p._insertFakeElement(TAG_NAMES.P, TAG_ID.P);
}
p._closePElement();
}
function liEndTagInBody(p) {
if (p.openElements.hasInListItemScope(TAG_ID.LI)) {
p.openElements.generateImpliedEndTagsWithExclusion(TAG_ID.LI);
p.openElements.popUntilTagNamePopped(TAG_ID.LI);
}
}
function ddEndTagInBody(p, token) {
const tn = token.tagID;
if (p.openElements.hasInScope(tn)) {
p.openElements.generateImpliedEndTagsWithExclusion(tn);
p.openElements.popUntilTagNamePopped(tn);
}
}
function numberedHeaderEndTagInBody(p) {
if (p.openElements.hasNumberedHeaderInScope()) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilNumberedHeaderPopped();
}
}
function appletEndTagInBody(p, token) {
const tn = token.tagID;
if (p.openElements.hasInScope(tn)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(tn);
p.activeFormattingElements.clearToLastMarker();
}
}
function brEndTagInBody(p) {
p._reconstructActiveFormattingElements();
p._insertFakeElement(TAG_NAMES.BR, TAG_ID.BR);
p.openElements.pop();
p.framesetOk = false;
}
function genericEndTagInBody(p, token) {
const tn = token.tagName;
const tid = token.tagID;
for (let i = p.openElements.stackTop; i > 0; i--) {
const element = p.openElements.items[i];
const elementId = p.openElements.tagIDs[i];
// Compare the tag name here, as the tag might not be a known tag with an ID.
if (tid === elementId && (tid !== TAG_ID.UNKNOWN || p.treeAdapter.getTagName(element) === tn)) {
p.openElements.generateImpliedEndTagsWithExclusion(tid);
if (p.openElements.stackTop >= i)
p.openElements.shortenToLength(i);
break;
}
if (p._isSpecialElement(element, elementId)) {
break;
}
}
}
function endTagInBody(p, token) {
switch (token.tagID) {
case TAG_ID.A:
case TAG_ID.B:
case TAG_ID.I:
case TAG_ID.S:
case TAG_ID.U:
case TAG_ID.EM:
case TAG_ID.TT:
case TAG_ID.BIG:
case TAG_ID.CODE:
case TAG_ID.FONT:
case TAG_ID.NOBR:
case TAG_ID.SMALL:
case TAG_ID.STRIKE:
case TAG_ID.STRONG: {
callAdoptionAgency(p, token);
break;
}
case TAG_ID.P: {
pEndTagInBody(p);
break;
}
case TAG_ID.DL:
case TAG_ID.UL:
case TAG_ID.OL:
case TAG_ID.DIR:
case TAG_ID.DIV:
case TAG_ID.NAV:
case TAG_ID.PRE:
case TAG_ID.MAIN:
case TAG_ID.MENU:
case TAG_ID.ASIDE:
case TAG_ID.BUTTON:
case TAG_ID.CENTER:
case TAG_ID.FIGURE:
case TAG_ID.FOOTER:
case TAG_ID.HEADER:
case TAG_ID.HGROUP:
case TAG_ID.DIALOG:
case TAG_ID.ADDRESS:
case TAG_ID.ARTICLE:
case TAG_ID.DETAILS:
case TAG_ID.SECTION:
case TAG_ID.SUMMARY:
case TAG_ID.LISTING:
case TAG_ID.FIELDSET:
case TAG_ID.BLOCKQUOTE:
case TAG_ID.FIGCAPTION: {
addressEndTagInBody(p, token);
break;
}
case TAG_ID.LI: {
liEndTagInBody(p);
break;
}
case TAG_ID.DD:
case TAG_ID.DT: {
ddEndTagInBody(p, token);
break;
}
case TAG_ID.H1:
case TAG_ID.H2:
case TAG_ID.H3:
case TAG_ID.H4:
case TAG_ID.H5:
case TAG_ID.H6: {
numberedHeaderEndTagInBody(p);
break;
}
case TAG_ID.BR: {
brEndTagInBody(p);
break;
}
case TAG_ID.BODY: {
bodyEndTagInBody(p, token);
break;
}
case TAG_ID.HTML: {
htmlEndTagInBody(p, token);
break;
}
case TAG_ID.FORM: {
formEndTagInBody(p);
break;
}
case TAG_ID.APPLET:
case TAG_ID.OBJECT:
case TAG_ID.MARQUEE: {
appletEndTagInBody(p, token);
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
default: {
genericEndTagInBody(p, token);
}
}
}
function eofInBody(p, token) {
if (p.tmplInsertionModeStack.length > 0) {
eofInTemplate(p, token);
}
else {
stopParsing(p, token);
}
}
// The "text" insertion mode
//------------------------------------------------------------------
function endTagInText(p, token) {
var _a;
if (token.tagID === TAG_ID.SCRIPT) {
(_a = p.scriptHandler) === null || _a === void 0 ? void 0 : _a.call(p, p.openElements.current);
}
p.openElements.pop();
p.insertionMode = p.originalInsertionMode;
}
function eofInText(p, token) {
p._err(token, ERR.eofInElementThatCanContainOnlyText);
p.openElements.pop();
p.insertionMode = p.originalInsertionMode;
p.onEof(token);
}
// The "in table" insertion mode
//------------------------------------------------------------------
function characterInTable(p, token) {
if (TABLE_STRUCTURE_TAGS.has(p.openElements.currentTagId)) {
p.pendingCharacterTokens.length = 0;
p.hasNonWhitespacePendingCharacterToken = false;
p.originalInsertionMode = p.insertionMode;
p.insertionMode = InsertionMode.IN_TABLE_TEXT;
switch (token.type) {
case TokenType.CHARACTER: {
characterInTableText(p, token);
break;
}
case TokenType.WHITESPACE_CHARACTER: {
whitespaceCharacterInTableText(p, token);
break;
}
// Ignore null
}
}
else {
tokenInTable(p, token);
}
}
function captionStartTagInTable(p, token) {
p.openElements.clearBackToTableContext();
p.activeFormattingElements.insertMarker();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_CAPTION;
}
function colgroupStartTagInTable(p, token) {
p.openElements.clearBackToTableContext();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
}
function colStartTagInTable(p, token) {
p.openElements.clearBackToTableContext();
p._insertFakeElement(TAG_NAMES.COLGROUP, TAG_ID.COLGROUP);
p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
startTagInColumnGroup(p, token);
}
function tbodyStartTagInTable(p, token) {
p.openElements.clearBackToTableContext();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_TABLE_BODY;
}
function tdStartTagInTable(p, token) {
p.openElements.clearBackToTableContext();
p._insertFakeElement(TAG_NAMES.TBODY, TAG_ID.TBODY);
p.insertionMode = InsertionMode.IN_TABLE_BODY;
startTagInTableBody(p, token);
}
function tableStartTagInTable(p, token) {
if (p.openElements.hasInTableScope(TAG_ID.TABLE)) {
p.openElements.popUntilTagNamePopped(TAG_ID.TABLE);
p._resetInsertionMode();
p._processStartTag(token);
}
}
function inputStartTagInTable(p, token) {
if (isHiddenInput(token)) {
p._appendElement(token, NS.HTML);
}
else {
tokenInTable(p, token);
}
token.ackSelfClosing = true;
}
function formStartTagInTable(p, token) {
if (!p.formElement && p.openElements.tmplCount === 0) {
p._insertElement(token, NS.HTML);
p.formElement = p.openElements.current;
p.openElements.pop();
}
}
function startTagInTable(p, token) {
switch (token.tagID) {
case TAG_ID.TD:
case TAG_ID.TH:
case TAG_ID.TR: {
tdStartTagInTable(p, token);
break;
}
case TAG_ID.STYLE:
case TAG_ID.SCRIPT:
case TAG_ID.TEMPLATE: {
startTagInHead(p, token);
break;
}
case TAG_ID.COL: {
colStartTagInTable(p, token);
break;
}
case TAG_ID.FORM: {
formStartTagInTable(p, token);
break;
}
case TAG_ID.TABLE: {
tableStartTagInTable(p, token);
break;
}
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD: {
tbodyStartTagInTable(p, token);
break;
}
case TAG_ID.INPUT: {
inputStartTagInTable(p, token);
break;
}
case TAG_ID.CAPTION: {
captionStartTagInTable(p, token);
break;
}
case TAG_ID.COLGROUP: {
colgroupStartTagInTable(p, token);
break;
}
default: {
tokenInTable(p, token);
}
}
}
function endTagInTable(p, token) {
switch (token.tagID) {
case TAG_ID.TABLE: {
if (p.openElements.hasInTableScope(TAG_ID.TABLE)) {
p.openElements.popUntilTagNamePopped(TAG_ID.TABLE);
p._resetInsertionMode();
}
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
case TAG_ID.BODY:
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.HTML:
case TAG_ID.TBODY:
case TAG_ID.TD:
case TAG_ID.TFOOT:
case TAG_ID.TH:
case TAG_ID.THEAD:
case TAG_ID.TR: {
// Ignore token
break;
}
default: {
tokenInTable(p, token);
}
}
}
function tokenInTable(p, token) {
const savedFosterParentingState = p.fosterParentingEnabled;
p.fosterParentingEnabled = true;
// Process token in `In Body` mode
modeInBody(p, token);
p.fosterParentingEnabled = savedFosterParentingState;
}
// The "in table text" insertion mode
//------------------------------------------------------------------
function whitespaceCharacterInTableText(p, token) {
p.pendingCharacterTokens.push(token);
}
function characterInTableText(p, token) {
p.pendingCharacterTokens.push(token);
p.hasNonWhitespacePendingCharacterToken = true;
}
function tokenInTableText(p, token) {
let i = 0;
if (p.hasNonWhitespacePendingCharacterToken) {
for (; i < p.pendingCharacterTokens.length; i++) {
tokenInTable(p, p.pendingCharacterTokens[i]);
}
}
else {
for (; i < p.pendingCharacterTokens.length; i++) {
p._insertCharacters(p.pendingCharacterTokens[i]);
}
}
p.insertionMode = p.originalInsertionMode;
p._processToken(token);
}
// The "in caption" insertion mode
//------------------------------------------------------------------
const TABLE_VOID_ELEMENTS = new Set([TAG_ID.CAPTION, TAG_ID.COL, TAG_ID.COLGROUP, TAG_ID.TBODY, TAG_ID.TD, TAG_ID.TFOOT, TAG_ID.TH, TAG_ID.THEAD, TAG_ID.TR]);
function startTagInCaption(p, token) {
const tn = token.tagID;
if (TABLE_VOID_ELEMENTS.has(tn)) {
if (p.openElements.hasInTableScope(TAG_ID.CAPTION)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(TAG_ID.CAPTION);
p.activeFormattingElements.clearToLastMarker();
p.insertionMode = InsertionMode.IN_TABLE;
startTagInTable(p, token);
}
}
else {
startTagInBody(p, token);
}
}
function endTagInCaption(p, token) {
const tn = token.tagID;
switch (tn) {
case TAG_ID.CAPTION:
case TAG_ID.TABLE: {
if (p.openElements.hasInTableScope(TAG_ID.CAPTION)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(TAG_ID.CAPTION);
p.activeFormattingElements.clearToLastMarker();
p.insertionMode = InsertionMode.IN_TABLE;
if (tn === TAG_ID.TABLE) {
endTagInTable(p, token);
}
}
break;
}
case TAG_ID.BODY:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.HTML:
case TAG_ID.TBODY:
case TAG_ID.TD:
case TAG_ID.TFOOT:
case TAG_ID.TH:
case TAG_ID.THEAD:
case TAG_ID.TR: {
// Ignore token
break;
}
default: {
endTagInBody(p, token);
}
}
}
// The "in column group" insertion mode
//------------------------------------------------------------------
function startTagInColumnGroup(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.COL: {
p._appendElement(token, NS.HTML);
token.ackSelfClosing = true;
break;
}
case TAG_ID.TEMPLATE: {
startTagInHead(p, token);
break;
}
default: {
tokenInColumnGroup(p, token);
}
}
}
function endTagInColumnGroup(p, token) {
switch (token.tagID) {
case TAG_ID.COLGROUP: {
if (p.openElements.currentTagId === TAG_ID.COLGROUP) {
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE;
}
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
case TAG_ID.COL: {
// Ignore token
break;
}
default: {
tokenInColumnGroup(p, token);
}
}
}
function tokenInColumnGroup(p, token) {
if (p.openElements.currentTagId === TAG_ID.COLGROUP) {
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE;
p._processToken(token);
}
}
// The "in table body" insertion mode
//------------------------------------------------------------------
function startTagInTableBody(p, token) {
switch (token.tagID) {
case TAG_ID.TR: {
p.openElements.clearBackToTableBodyContext();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_ROW;
break;
}
case TAG_ID.TH:
case TAG_ID.TD: {
p.openElements.clearBackToTableBodyContext();
p._insertFakeElement(TAG_NAMES.TR, TAG_ID.TR);
p.insertionMode = InsertionMode.IN_ROW;
startTagInRow(p, token);
break;
}
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD: {
if (p.openElements.hasTableBodyContextInTableScope()) {
p.openElements.clearBackToTableBodyContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE;
startTagInTable(p, token);
}
break;
}
default: {
startTagInTable(p, token);
}
}
}
function endTagInTableBody(p, token) {
const tn = token.tagID;
switch (token.tagID) {
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD: {
if (p.openElements.hasInTableScope(tn)) {
p.openElements.clearBackToTableBodyContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE;
}
break;
}
case TAG_ID.TABLE: {
if (p.openElements.hasTableBodyContextInTableScope()) {
p.openElements.clearBackToTableBodyContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE;
endTagInTable(p, token);
}
break;
}
case TAG_ID.BODY:
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.HTML:
case TAG_ID.TD:
case TAG_ID.TH:
case TAG_ID.TR: {
// Ignore token
break;
}
default: {
endTagInTable(p, token);
}
}
}
// The "in row" insertion mode
//------------------------------------------------------------------
function startTagInRow(p, token) {
switch (token.tagID) {
case TAG_ID.TH:
case TAG_ID.TD: {
p.openElements.clearBackToTableRowContext();
p._insertElement(token, NS.HTML);
p.insertionMode = InsertionMode.IN_CELL;
p.activeFormattingElements.insertMarker();
break;
}
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD:
case TAG_ID.TR: {
if (p.openElements.hasInTableScope(TAG_ID.TR)) {
p.openElements.clearBackToTableRowContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE_BODY;
startTagInTableBody(p, token);
}
break;
}
default: {
startTagInTable(p, token);
}
}
}
function endTagInRow(p, token) {
switch (token.tagID) {
case TAG_ID.TR: {
if (p.openElements.hasInTableScope(TAG_ID.TR)) {
p.openElements.clearBackToTableRowContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE_BODY;
}
break;
}
case TAG_ID.TABLE: {
if (p.openElements.hasInTableScope(TAG_ID.TR)) {
p.openElements.clearBackToTableRowContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE_BODY;
endTagInTableBody(p, token);
}
break;
}
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD: {
if (p.openElements.hasInTableScope(token.tagID) || p.openElements.hasInTableScope(TAG_ID.TR)) {
p.openElements.clearBackToTableRowContext();
p.openElements.pop();
p.insertionMode = InsertionMode.IN_TABLE_BODY;
endTagInTableBody(p, token);
}
break;
}
case TAG_ID.BODY:
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.HTML:
case TAG_ID.TD:
case TAG_ID.TH: {
// Ignore end tag
break;
}
default: {
endTagInTable(p, token);
}
}
}
// The "in cell" insertion mode
//------------------------------------------------------------------
function startTagInCell(p, token) {
const tn = token.tagID;
if (TABLE_VOID_ELEMENTS.has(tn)) {
if (p.openElements.hasInTableScope(TAG_ID.TD) || p.openElements.hasInTableScope(TAG_ID.TH)) {
p._closeTableCell();
startTagInRow(p, token);
}
}
else {
startTagInBody(p, token);
}
}
function endTagInCell(p, token) {
const tn = token.tagID;
switch (tn) {
case TAG_ID.TD:
case TAG_ID.TH: {
if (p.openElements.hasInTableScope(tn)) {
p.openElements.generateImpliedEndTags();
p.openElements.popUntilTagNamePopped(tn);
p.activeFormattingElements.clearToLastMarker();
p.insertionMode = InsertionMode.IN_ROW;
}
break;
}
case TAG_ID.TABLE:
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD:
case TAG_ID.TR: {
if (p.openElements.hasInTableScope(tn)) {
p._closeTableCell();
endTagInRow(p, token);
}
break;
}
case TAG_ID.BODY:
case TAG_ID.CAPTION:
case TAG_ID.COL:
case TAG_ID.COLGROUP:
case TAG_ID.HTML: {
// Ignore token
break;
}
default: {
endTagInBody(p, token);
}
}
}
// The "in select" insertion mode
//------------------------------------------------------------------
function startTagInSelect(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.OPTION: {
if (p.openElements.currentTagId === TAG_ID.OPTION) {
p.openElements.pop();
}
p._insertElement(token, NS.HTML);
break;
}
case TAG_ID.OPTGROUP: {
if (p.openElements.currentTagId === TAG_ID.OPTION) {
p.openElements.pop();
}
if (p.openElements.currentTagId === TAG_ID.OPTGROUP) {
p.openElements.pop();
}
p._insertElement(token, NS.HTML);
break;
}
case TAG_ID.INPUT:
case TAG_ID.KEYGEN:
case TAG_ID.TEXTAREA:
case TAG_ID.SELECT: {
if (p.openElements.hasInSelectScope(TAG_ID.SELECT)) {
p.openElements.popUntilTagNamePopped(TAG_ID.SELECT);
p._resetInsertionMode();
if (token.tagID !== TAG_ID.SELECT) {
p._processStartTag(token);
}
}
break;
}
case TAG_ID.SCRIPT:
case TAG_ID.TEMPLATE: {
startTagInHead(p, token);
break;
}
// Do nothing
}
}
function endTagInSelect(p, token) {
switch (token.tagID) {
case TAG_ID.OPTGROUP: {
if (p.openElements.stackTop > 0 &&
p.openElements.currentTagId === TAG_ID.OPTION &&
p.openElements.tagIDs[p.openElements.stackTop - 1] === TAG_ID.OPTGROUP) {
p.openElements.pop();
}
if (p.openElements.currentTagId === TAG_ID.OPTGROUP) {
p.openElements.pop();
}
break;
}
case TAG_ID.OPTION: {
if (p.openElements.currentTagId === TAG_ID.OPTION) {
p.openElements.pop();
}
break;
}
case TAG_ID.SELECT: {
if (p.openElements.hasInSelectScope(TAG_ID.SELECT)) {
p.openElements.popUntilTagNamePopped(TAG_ID.SELECT);
p._resetInsertionMode();
}
break;
}
case TAG_ID.TEMPLATE: {
templateEndTagInHead(p, token);
break;
}
// Do nothing
}
}
// The "in select in table" insertion mode
//------------------------------------------------------------------
function startTagInSelectInTable(p, token) {
const tn = token.tagID;
if (tn === TAG_ID.CAPTION ||
tn === TAG_ID.TABLE ||
tn === TAG_ID.TBODY ||
tn === TAG_ID.TFOOT ||
tn === TAG_ID.THEAD ||
tn === TAG_ID.TR ||
tn === TAG_ID.TD ||
tn === TAG_ID.TH) {
p.openElements.popUntilTagNamePopped(TAG_ID.SELECT);
p._resetInsertionMode();
p._processStartTag(token);
}
else {
startTagInSelect(p, token);
}
}
function endTagInSelectInTable(p, token) {
const tn = token.tagID;
if (tn === TAG_ID.CAPTION ||
tn === TAG_ID.TABLE ||
tn === TAG_ID.TBODY ||
tn === TAG_ID.TFOOT ||
tn === TAG_ID.THEAD ||
tn === TAG_ID.TR ||
tn === TAG_ID.TD ||
tn === TAG_ID.TH) {
if (p.openElements.hasInTableScope(tn)) {
p.openElements.popUntilTagNamePopped(TAG_ID.SELECT);
p._resetInsertionMode();
p.onEndTag(token);
}
}
else {
endTagInSelect(p, token);
}
}
// The "in template" insertion mode
//------------------------------------------------------------------
function startTagInTemplate(p, token) {
switch (token.tagID) {
// First, handle tags that can start without a mode change
case TAG_ID.BASE:
case TAG_ID.BASEFONT:
case TAG_ID.BGSOUND:
case TAG_ID.LINK:
case TAG_ID.META:
case TAG_ID.NOFRAMES:
case TAG_ID.SCRIPT:
case TAG_ID.STYLE:
case TAG_ID.TEMPLATE:
case TAG_ID.TITLE: {
startTagInHead(p, token);
break;
}
// Re-process the token in the appropriate mode
case TAG_ID.CAPTION:
case TAG_ID.COLGROUP:
case TAG_ID.TBODY:
case TAG_ID.TFOOT:
case TAG_ID.THEAD: {
p.tmplInsertionModeStack[0] = InsertionMode.IN_TABLE;
p.insertionMode = InsertionMode.IN_TABLE;
startTagInTable(p, token);
break;
}
case TAG_ID.COL: {
p.tmplInsertionModeStack[0] = InsertionMode.IN_COLUMN_GROUP;
p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
startTagInColumnGroup(p, token);
break;
}
case TAG_ID.TR: {
p.tmplInsertionModeStack[0] = InsertionMode.IN_TABLE_BODY;
p.insertionMode = InsertionMode.IN_TABLE_BODY;
startTagInTableBody(p, token);
break;
}
case TAG_ID.TD:
case TAG_ID.TH: {
p.tmplInsertionModeStack[0] = InsertionMode.IN_ROW;
p.insertionMode = InsertionMode.IN_ROW;
startTagInRow(p, token);
break;
}
default: {
p.tmplInsertionModeStack[0] = InsertionMode.IN_BODY;
p.insertionMode = InsertionMode.IN_BODY;
startTagInBody(p, token);
}
}
}
function endTagInTemplate(p, token) {
if (token.tagID === TAG_ID.TEMPLATE) {
templateEndTagInHead(p, token);
}
}
function eofInTemplate(p, token) {
if (p.openElements.tmplCount > 0) {
p.openElements.popUntilTagNamePopped(TAG_ID.TEMPLATE);
p.activeFormattingElements.clearToLastMarker();
p.tmplInsertionModeStack.shift();
p._resetInsertionMode();
p.onEof(token);
}
else {
stopParsing(p, token);
}
}
// The "after body" insertion mode
//------------------------------------------------------------------
function startTagAfterBody(p, token) {
if (token.tagID === TAG_ID.HTML) {
startTagInBody(p, token);
}
else {
tokenAfterBody(p, token);
}
}
function endTagAfterBody(p, token) {
var _a;
if (token.tagID === TAG_ID.HTML) {
if (!p.fragmentContext) {
p.insertionMode = InsertionMode.AFTER_AFTER_BODY;
}
//NOTE: <html> is never popped from the stack, so we need to updated
//the end location explicitly.
if (p.options.sourceCodeLocationInfo && p.openElements.tagIDs[0] === TAG_ID.HTML) {
p._setEndLocation(p.openElements.items[0], token);
// Update the body element, if it doesn't have an end tag
const bodyElement = p.openElements.items[1];
if (bodyElement && !((_a = p.treeAdapter.getNodeSourceCodeLocation(bodyElement)) === null || _a === void 0 ? void 0 : _a.endTag)) {
p._setEndLocation(bodyElement, token);
}
}
}
else {
tokenAfterBody(p, token);
}
}
function tokenAfterBody(p, token) {
p.insertionMode = InsertionMode.IN_BODY;
modeInBody(p, token);
}
// The "in frameset" insertion mode
//------------------------------------------------------------------
function startTagInFrameset(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.FRAMESET: {
p._insertElement(token, NS.HTML);
break;
}
case TAG_ID.FRAME: {
p._appendElement(token, NS.HTML);
token.ackSelfClosing = true;
break;
}
case TAG_ID.NOFRAMES: {
startTagInHead(p, token);
break;
}
// Do nothing
}
}
function endTagInFrameset(p, token) {
if (token.tagID === TAG_ID.FRAMESET && !p.openElements.isRootHtmlElementCurrent()) {
p.openElements.pop();
if (!p.fragmentContext && p.openElements.currentTagId !== TAG_ID.FRAMESET) {
p.insertionMode = InsertionMode.AFTER_FRAMESET;
}
}
}
// The "after frameset" insertion mode
//------------------------------------------------------------------
function startTagAfterFrameset(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.NOFRAMES: {
startTagInHead(p, token);
break;
}
// Do nothing
}
}
function endTagAfterFrameset(p, token) {
if (token.tagID === TAG_ID.HTML) {
p.insertionMode = InsertionMode.AFTER_AFTER_FRAMESET;
}
}
// The "after after body" insertion mode
//------------------------------------------------------------------
function startTagAfterAfterBody(p, token) {
if (token.tagID === TAG_ID.HTML) {
startTagInBody(p, token);
}
else {
tokenAfterAfterBody(p, token);
}
}
function tokenAfterAfterBody(p, token) {
p.insertionMode = InsertionMode.IN_BODY;
modeInBody(p, token);
}
// The "after after frameset" insertion mode
//------------------------------------------------------------------
function startTagAfterAfterFrameset(p, token) {
switch (token.tagID) {
case TAG_ID.HTML: {
startTagInBody(p, token);
break;
}
case TAG_ID.NOFRAMES: {
startTagInHead(p, token);
break;
}
// Do nothing
}
}
// The rules for parsing tokens in foreign content
//------------------------------------------------------------------
function nullCharacterInForeignContent(p, token) {
token.chars = REPLACEMENT_CHARACTER;
p._insertCharacters(token);
}
function characterInForeignContent(p, token) {
p._insertCharacters(token);
p.framesetOk = false;
}
function popUntilHtmlOrIntegrationPoint(p) {
while (p.treeAdapter.getNamespaceURI(p.openElements.current) !== NS.HTML &&
!p._isIntegrationPoint(p.openElements.currentTagId, p.openElements.current)) {
p.openElements.pop();
}
}
function startTagInForeignContent(p, token) {
if (causesExit(token)) {
popUntilHtmlOrIntegrationPoint(p);
p._startTagOutsideForeignContent(token);
}
else {
const current = p._getAdjustedCurrentElement();
const currentNs = p.treeAdapter.getNamespaceURI(current);
if (currentNs === NS.MATHML) {
adjustTokenMathMLAttrs(token);
}
else if (currentNs === NS.SVG) {
adjustTokenSVGTagName(token);
adjustTokenSVGAttrs(token);
}
adjustTokenXMLAttrs(token);
if (token.selfClosing) {
p._appendElement(token, currentNs);
}
else {
p._insertElement(token, currentNs);
}
token.ackSelfClosing = true;
}
}
function endTagInForeignContent(p, token) {
if (token.tagID === TAG_ID.P || token.tagID === TAG_ID.BR) {
popUntilHtmlOrIntegrationPoint(p);
p._endTagOutsideForeignContent(token);
return;
}
for (let i = p.openElements.stackTop; i > 0; i--) {
const element = p.openElements.items[i];
if (p.treeAdapter.getNamespaceURI(element) === NS.HTML) {
p._endTagOutsideForeignContent(token);
break;
}
const tagName = p.treeAdapter.getTagName(element);
if (tagName.toLowerCase() === token.tagName) {
//NOTE: update the token tag name for `_setEndLocation`.
token.tagName = tagName;
p.openElements.shortenToLength(i);
break;
}
}
}
// Shorthands
/**
* Parses an HTML string.
*
* @param html Input HTML string.
* @param options Parsing options.
* @returns Document
*
* @example
*
* ```js
* const parse5 = require('parse5');
*
* const document = parse5.parse('<!DOCTYPE html><html><head></head><body>Hi there!</body></html>');
*
* console.log(document.childNodes[1].tagName); //> 'html'
*```
*/
function parse(html, options) {
return Parser.parse(html, options);
}
export { ERR as ErrorCodes, Parser, Tokenizer, TokenizerMode, defaultTreeAdapter, parse };
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