import {htmlDecodeTree, determineBranch, BinTrieFlags} from "/-/entities@v4.3.0-V4vIlnoYfSBRg1gj9BOL/dist=es2019,mode=imports/optimized/entities/lib/decode.js";
import {escapeText, escapeAttribute} from "/-/entities@v4.3.0-V4vIlnoYfSBRg1gj9BOL/dist=es2019,mode=imports/optimized/entities/lib/escape.js";
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_POINTS2) {
  CODE_POINTS2[CODE_POINTS2["EOF"] = -1] = "EOF";
  CODE_POINTS2[CODE_POINTS2["NULL"] = 0] = "NULL";
  CODE_POINTS2[CODE_POINTS2["TABULATION"] = 9] = "TABULATION";
  CODE_POINTS2[CODE_POINTS2["CARRIAGE_RETURN"] = 13] = "CARRIAGE_RETURN";
  CODE_POINTS2[CODE_POINTS2["LINE_FEED"] = 10] = "LINE_FEED";
  CODE_POINTS2[CODE_POINTS2["FORM_FEED"] = 12] = "FORM_FEED";
  CODE_POINTS2[CODE_POINTS2["SPACE"] = 32] = "SPACE";
  CODE_POINTS2[CODE_POINTS2["EXCLAMATION_MARK"] = 33] = "EXCLAMATION_MARK";
  CODE_POINTS2[CODE_POINTS2["QUOTATION_MARK"] = 34] = "QUOTATION_MARK";
  CODE_POINTS2[CODE_POINTS2["NUMBER_SIGN"] = 35] = "NUMBER_SIGN";
  CODE_POINTS2[CODE_POINTS2["AMPERSAND"] = 38] = "AMPERSAND";
  CODE_POINTS2[CODE_POINTS2["APOSTROPHE"] = 39] = "APOSTROPHE";
  CODE_POINTS2[CODE_POINTS2["HYPHEN_MINUS"] = 45] = "HYPHEN_MINUS";
  CODE_POINTS2[CODE_POINTS2["SOLIDUS"] = 47] = "SOLIDUS";
  CODE_POINTS2[CODE_POINTS2["DIGIT_0"] = 48] = "DIGIT_0";
  CODE_POINTS2[CODE_POINTS2["DIGIT_9"] = 57] = "DIGIT_9";
  CODE_POINTS2[CODE_POINTS2["SEMICOLON"] = 59] = "SEMICOLON";
  CODE_POINTS2[CODE_POINTS2["LESS_THAN_SIGN"] = 60] = "LESS_THAN_SIGN";
  CODE_POINTS2[CODE_POINTS2["EQUALS_SIGN"] = 61] = "EQUALS_SIGN";
  CODE_POINTS2[CODE_POINTS2["GREATER_THAN_SIGN"] = 62] = "GREATER_THAN_SIGN";
  CODE_POINTS2[CODE_POINTS2["QUESTION_MARK"] = 63] = "QUESTION_MARK";
  CODE_POINTS2[CODE_POINTS2["LATIN_CAPITAL_A"] = 65] = "LATIN_CAPITAL_A";
  CODE_POINTS2[CODE_POINTS2["LATIN_CAPITAL_F"] = 70] = "LATIN_CAPITAL_F";
  CODE_POINTS2[CODE_POINTS2["LATIN_CAPITAL_X"] = 88] = "LATIN_CAPITAL_X";
  CODE_POINTS2[CODE_POINTS2["LATIN_CAPITAL_Z"] = 90] = "LATIN_CAPITAL_Z";
  CODE_POINTS2[CODE_POINTS2["RIGHT_SQUARE_BRACKET"] = 93] = "RIGHT_SQUARE_BRACKET";
  CODE_POINTS2[CODE_POINTS2["GRAVE_ACCENT"] = 96] = "GRAVE_ACCENT";
  CODE_POINTS2[CODE_POINTS2["LATIN_SMALL_A"] = 97] = "LATIN_SMALL_A";
  CODE_POINTS2[CODE_POINTS2["LATIN_SMALL_F"] = 102] = "LATIN_SMALL_F";
  CODE_POINTS2[CODE_POINTS2["LATIN_SMALL_X"] = 120] = "LATIN_SMALL_X";
  CODE_POINTS2[CODE_POINTS2["LATIN_SMALL_Z"] = 122] = "LATIN_SMALL_Z";
  CODE_POINTS2[CODE_POINTS2["REPLACEMENT_CHARACTER"] = 65533] = "REPLACEMENT_CHARACTER";
})(CODE_POINTS || (CODE_POINTS = {}));
const SEQUENCES = {
  DASH_DASH: "--",
  CDATA_START: "[CDATA[",
  DOCTYPE: "doctype",
  SCRIPT: "script",
  PUBLIC: "public",
  SYSTEM: "system"
};
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;
}
function isControlCodePoint(cp) {
  return cp !== 32 && cp !== 10 && cp !== 13 && cp !== 9 && cp !== 12 && cp >= 1 && cp <= 31 || cp >= 127 && cp <= 159;
}
function isUndefinedCodePoint(cp) {
  return cp >= 64976 && cp <= 65007 || UNDEFINED_CODE_POINTS.has(cp);
}
var ERR;
(function(ERR2) {
  ERR2["controlCharacterInInputStream"] = "control-character-in-input-stream";
  ERR2["noncharacterInInputStream"] = "noncharacter-in-input-stream";
  ERR2["surrogateInInputStream"] = "surrogate-in-input-stream";
  ERR2["nonVoidHtmlElementStartTagWithTrailingSolidus"] = "non-void-html-element-start-tag-with-trailing-solidus";
  ERR2["endTagWithAttributes"] = "end-tag-with-attributes";
  ERR2["endTagWithTrailingSolidus"] = "end-tag-with-trailing-solidus";
  ERR2["unexpectedSolidusInTag"] = "unexpected-solidus-in-tag";
  ERR2["unexpectedNullCharacter"] = "unexpected-null-character";
  ERR2["unexpectedQuestionMarkInsteadOfTagName"] = "unexpected-question-mark-instead-of-tag-name";
  ERR2["invalidFirstCharacterOfTagName"] = "invalid-first-character-of-tag-name";
  ERR2["unexpectedEqualsSignBeforeAttributeName"] = "unexpected-equals-sign-before-attribute-name";
  ERR2["missingEndTagName"] = "missing-end-tag-name";
  ERR2["unexpectedCharacterInAttributeName"] = "unexpected-character-in-attribute-name";
  ERR2["unknownNamedCharacterReference"] = "unknown-named-character-reference";
  ERR2["missingSemicolonAfterCharacterReference"] = "missing-semicolon-after-character-reference";
  ERR2["unexpectedCharacterAfterDoctypeSystemIdentifier"] = "unexpected-character-after-doctype-system-identifier";
  ERR2["unexpectedCharacterInUnquotedAttributeValue"] = "unexpected-character-in-unquoted-attribute-value";
  ERR2["eofBeforeTagName"] = "eof-before-tag-name";
  ERR2["eofInTag"] = "eof-in-tag";
  ERR2["missingAttributeValue"] = "missing-attribute-value";
  ERR2["missingWhitespaceBetweenAttributes"] = "missing-whitespace-between-attributes";
  ERR2["missingWhitespaceAfterDoctypePublicKeyword"] = "missing-whitespace-after-doctype-public-keyword";
  ERR2["missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers"] = "missing-whitespace-between-doctype-public-and-system-identifiers";
  ERR2["missingWhitespaceAfterDoctypeSystemKeyword"] = "missing-whitespace-after-doctype-system-keyword";
  ERR2["missingQuoteBeforeDoctypePublicIdentifier"] = "missing-quote-before-doctype-public-identifier";
  ERR2["missingQuoteBeforeDoctypeSystemIdentifier"] = "missing-quote-before-doctype-system-identifier";
  ERR2["missingDoctypePublicIdentifier"] = "missing-doctype-public-identifier";
  ERR2["missingDoctypeSystemIdentifier"] = "missing-doctype-system-identifier";
  ERR2["abruptDoctypePublicIdentifier"] = "abrupt-doctype-public-identifier";
  ERR2["abruptDoctypeSystemIdentifier"] = "abrupt-doctype-system-identifier";
  ERR2["cdataInHtmlContent"] = "cdata-in-html-content";
  ERR2["incorrectlyOpenedComment"] = "incorrectly-opened-comment";
  ERR2["eofInScriptHtmlCommentLikeText"] = "eof-in-script-html-comment-like-text";
  ERR2["eofInDoctype"] = "eof-in-doctype";
  ERR2["nestedComment"] = "nested-comment";
  ERR2["abruptClosingOfEmptyComment"] = "abrupt-closing-of-empty-comment";
  ERR2["eofInComment"] = "eof-in-comment";
  ERR2["incorrectlyClosedComment"] = "incorrectly-closed-comment";
  ERR2["eofInCdata"] = "eof-in-cdata";
  ERR2["absenceOfDigitsInNumericCharacterReference"] = "absence-of-digits-in-numeric-character-reference";
  ERR2["nullCharacterReference"] = "null-character-reference";
  ERR2["surrogateCharacterReference"] = "surrogate-character-reference";
  ERR2["characterReferenceOutsideUnicodeRange"] = "character-reference-outside-unicode-range";
  ERR2["controlCharacterReference"] = "control-character-reference";
  ERR2["noncharacterCharacterReference"] = "noncharacter-character-reference";
  ERR2["missingWhitespaceBeforeDoctypeName"] = "missing-whitespace-before-doctype-name";
  ERR2["missingDoctypeName"] = "missing-doctype-name";
  ERR2["invalidCharacterSequenceAfterDoctypeName"] = "invalid-character-sequence-after-doctype-name";
  ERR2["duplicateAttribute"] = "duplicate-attribute";
  ERR2["nonConformingDoctype"] = "non-conforming-doctype";
  ERR2["missingDoctype"] = "missing-doctype";
  ERR2["misplacedDoctype"] = "misplaced-doctype";
  ERR2["endTagWithoutMatchingOpenElement"] = "end-tag-without-matching-open-element";
  ERR2["closingOfElementWithOpenChildElements"] = "closing-of-element-with-open-child-elements";
  ERR2["disallowedContentInNoscriptInHead"] = "disallowed-content-in-noscript-in-head";
  ERR2["openElementsLeftAfterEof"] = "open-elements-left-after-eof";
  ERR2["abandonedHeadElementChild"] = "abandoned-head-element-child";
  ERR2["misplacedStartTagForHeadElement"] = "misplaced-start-tag-for-head-element";
  ERR2["nestedNoscriptInHead"] = "nested-noscript-in-head";
  ERR2["eofInElementThatCanContainOnlyText"] = "eof-in-element-that-can-contain-only-text";
})(ERR || (ERR = {}));
const DEFAULT_BUFFER_WATERLINE = 1 << 16;
class Preprocessor {
  constructor(handler) {
    this.handler = handler;
    this.html = "";
    this.pos = -1;
    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;
    this.lastErrOffset = -1;
  }
  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) {
    if (this.pos !== this.html.length - 1) {
      const nextCp = this.html.charCodeAt(this.pos + 1);
      if (isSurrogatePair(nextCp)) {
        this.pos++;
        this._addGap();
        return getSurrogatePairCodePoint(cp, nextCp);
      }
    } else if (!this.lastChunkWritten) {
      this.endOfChunkHit = true;
      return CODE_POINTS.EOF;
    }
    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) {
    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) | 32;
      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;
    }
    return this.html.charCodeAt(pos);
  }
  advance() {
    this.pos++;
    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);
    if (cp === CODE_POINTS.CARRIAGE_RETURN) {
      this.isEol = true;
      this.skipNextNewLine = true;
      return CODE_POINTS.LINE_FEED;
    }
    if (cp === CODE_POINTS.LINE_FEED) {
      this.isEol = true;
      if (this.skipNextNewLine) {
        this.line--;
        this.skipNextNewLine = false;
        this._addGap();
        return this.advance();
      }
    }
    this.skipNextNewLine = false;
    if (isSurrogate(cp)) {
      cp = this._processSurrogate(cp);
    }
    const isCommonValidRange = this.handler.onParseError === null || cp > 31 && cp < 127 || cp === CODE_POINTS.LINE_FEED || cp === CODE_POINTS.CARRIAGE_RETURN || cp > 159 && 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(TokenType2) {
  TokenType2[TokenType2["CHARACTER"] = 0] = "CHARACTER";
  TokenType2[TokenType2["NULL_CHARACTER"] = 1] = "NULL_CHARACTER";
  TokenType2[TokenType2["WHITESPACE_CHARACTER"] = 2] = "WHITESPACE_CHARACTER";
  TokenType2[TokenType2["START_TAG"] = 3] = "START_TAG";
  TokenType2[TokenType2["END_TAG"] = 4] = "END_TAG";
  TokenType2[TokenType2["COMMENT"] = 5] = "COMMENT";
  TokenType2[TokenType2["DOCTYPE"] = 6] = "DOCTYPE";
  TokenType2[TokenType2["EOF"] = 7] = "EOF";
  TokenType2[TokenType2["HIBERNATION"] = 8] = "HIBERNATION";
})(TokenType || (TokenType = {}));
function getTokenAttr(token2, attrName) {
  for (let i = token2.attrs.length - 1; i >= 0; i--) {
    if (token2.attrs[i].name === attrName) {
      return token2.attrs[i].value;
    }
  }
  return null;
}
var token = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  get TokenType() {
    return TokenType;
  },
  getTokenAttr
});
var NS;
(function(NS2) {
  NS2["HTML"] = "http://www.w3.org/1999/xhtml";
  NS2["MATHML"] = "http://www.w3.org/1998/Math/MathML";
  NS2["SVG"] = "http://www.w3.org/2000/svg";
  NS2["XLINK"] = "http://www.w3.org/1999/xlink";
  NS2["XML"] = "http://www.w3.org/XML/1998/namespace";
  NS2["XMLNS"] = "http://www.w3.org/2000/xmlns/";
})(NS || (NS = {}));
var ATTRS;
(function(ATTRS2) {
  ATTRS2["TYPE"] = "type";
  ATTRS2["ACTION"] = "action";
  ATTRS2["ENCODING"] = "encoding";
  ATTRS2["PROMPT"] = "prompt";
  ATTRS2["NAME"] = "name";
  ATTRS2["COLOR"] = "color";
  ATTRS2["FACE"] = "face";
  ATTRS2["SIZE"] = "size";
})(ATTRS || (ATTRS = {}));
var DOCUMENT_MODE;
(function(DOCUMENT_MODE2) {
  DOCUMENT_MODE2["NO_QUIRKS"] = "no-quirks";
  DOCUMENT_MODE2["QUIRKS"] = "quirks";
  DOCUMENT_MODE2["LIMITED_QUIRKS"] = "limited-quirks";
})(DOCUMENT_MODE || (DOCUMENT_MODE = {}));
var TAG_NAMES;
(function(TAG_NAMES2) {
  TAG_NAMES2["A"] = "a";
  TAG_NAMES2["ADDRESS"] = "address";
  TAG_NAMES2["ANNOTATION_XML"] = "annotation-xml";
  TAG_NAMES2["APPLET"] = "applet";
  TAG_NAMES2["AREA"] = "area";
  TAG_NAMES2["ARTICLE"] = "article";
  TAG_NAMES2["ASIDE"] = "aside";
  TAG_NAMES2["B"] = "b";
  TAG_NAMES2["BASE"] = "base";
  TAG_NAMES2["BASEFONT"] = "basefont";
  TAG_NAMES2["BGSOUND"] = "bgsound";
  TAG_NAMES2["BIG"] = "big";
  TAG_NAMES2["BLOCKQUOTE"] = "blockquote";
  TAG_NAMES2["BODY"] = "body";
  TAG_NAMES2["BR"] = "br";
  TAG_NAMES2["BUTTON"] = "button";
  TAG_NAMES2["CAPTION"] = "caption";
  TAG_NAMES2["CENTER"] = "center";
  TAG_NAMES2["CODE"] = "code";
  TAG_NAMES2["COL"] = "col";
  TAG_NAMES2["COLGROUP"] = "colgroup";
  TAG_NAMES2["DD"] = "dd";
  TAG_NAMES2["DESC"] = "desc";
  TAG_NAMES2["DETAILS"] = "details";
  TAG_NAMES2["DIALOG"] = "dialog";
  TAG_NAMES2["DIR"] = "dir";
  TAG_NAMES2["DIV"] = "div";
  TAG_NAMES2["DL"] = "dl";
  TAG_NAMES2["DT"] = "dt";
  TAG_NAMES2["EM"] = "em";
  TAG_NAMES2["EMBED"] = "embed";
  TAG_NAMES2["FIELDSET"] = "fieldset";
  TAG_NAMES2["FIGCAPTION"] = "figcaption";
  TAG_NAMES2["FIGURE"] = "figure";
  TAG_NAMES2["FONT"] = "font";
  TAG_NAMES2["FOOTER"] = "footer";
  TAG_NAMES2["FOREIGN_OBJECT"] = "foreignObject";
  TAG_NAMES2["FORM"] = "form";
  TAG_NAMES2["FRAME"] = "frame";
  TAG_NAMES2["FRAMESET"] = "frameset";
  TAG_NAMES2["H1"] = "h1";
  TAG_NAMES2["H2"] = "h2";
  TAG_NAMES2["H3"] = "h3";
  TAG_NAMES2["H4"] = "h4";
  TAG_NAMES2["H5"] = "h5";
  TAG_NAMES2["H6"] = "h6";
  TAG_NAMES2["HEAD"] = "head";
  TAG_NAMES2["HEADER"] = "header";
  TAG_NAMES2["HGROUP"] = "hgroup";
  TAG_NAMES2["HR"] = "hr";
  TAG_NAMES2["HTML"] = "html";
  TAG_NAMES2["I"] = "i";
  TAG_NAMES2["IMG"] = "img";
  TAG_NAMES2["IMAGE"] = "image";
  TAG_NAMES2["INPUT"] = "input";
  TAG_NAMES2["IFRAME"] = "iframe";
  TAG_NAMES2["KEYGEN"] = "keygen";
  TAG_NAMES2["LABEL"] = "label";
  TAG_NAMES2["LI"] = "li";
  TAG_NAMES2["LINK"] = "link";
  TAG_NAMES2["LISTING"] = "listing";
  TAG_NAMES2["MAIN"] = "main";
  TAG_NAMES2["MALIGNMARK"] = "malignmark";
  TAG_NAMES2["MARQUEE"] = "marquee";
  TAG_NAMES2["MATH"] = "math";
  TAG_NAMES2["MENU"] = "menu";
  TAG_NAMES2["META"] = "meta";
  TAG_NAMES2["MGLYPH"] = "mglyph";
  TAG_NAMES2["MI"] = "mi";
  TAG_NAMES2["MO"] = "mo";
  TAG_NAMES2["MN"] = "mn";
  TAG_NAMES2["MS"] = "ms";
  TAG_NAMES2["MTEXT"] = "mtext";
  TAG_NAMES2["NAV"] = "nav";
  TAG_NAMES2["NOBR"] = "nobr";
  TAG_NAMES2["NOFRAMES"] = "noframes";
  TAG_NAMES2["NOEMBED"] = "noembed";
  TAG_NAMES2["NOSCRIPT"] = "noscript";
  TAG_NAMES2["OBJECT"] = "object";
  TAG_NAMES2["OL"] = "ol";
  TAG_NAMES2["OPTGROUP"] = "optgroup";
  TAG_NAMES2["OPTION"] = "option";
  TAG_NAMES2["P"] = "p";
  TAG_NAMES2["PARAM"] = "param";
  TAG_NAMES2["PLAINTEXT"] = "plaintext";
  TAG_NAMES2["PRE"] = "pre";
  TAG_NAMES2["RB"] = "rb";
  TAG_NAMES2["RP"] = "rp";
  TAG_NAMES2["RT"] = "rt";
  TAG_NAMES2["RTC"] = "rtc";
  TAG_NAMES2["RUBY"] = "ruby";
  TAG_NAMES2["S"] = "s";
  TAG_NAMES2["SCRIPT"] = "script";
  TAG_NAMES2["SECTION"] = "section";
  TAG_NAMES2["SELECT"] = "select";
  TAG_NAMES2["SOURCE"] = "source";
  TAG_NAMES2["SMALL"] = "small";
  TAG_NAMES2["SPAN"] = "span";
  TAG_NAMES2["STRIKE"] = "strike";
  TAG_NAMES2["STRONG"] = "strong";
  TAG_NAMES2["STYLE"] = "style";
  TAG_NAMES2["SUB"] = "sub";
  TAG_NAMES2["SUMMARY"] = "summary";
  TAG_NAMES2["SUP"] = "sup";
  TAG_NAMES2["TABLE"] = "table";
  TAG_NAMES2["TBODY"] = "tbody";
  TAG_NAMES2["TEMPLATE"] = "template";
  TAG_NAMES2["TEXTAREA"] = "textarea";
  TAG_NAMES2["TFOOT"] = "tfoot";
  TAG_NAMES2["TD"] = "td";
  TAG_NAMES2["TH"] = "th";
  TAG_NAMES2["THEAD"] = "thead";
  TAG_NAMES2["TITLE"] = "title";
  TAG_NAMES2["TR"] = "tr";
  TAG_NAMES2["TRACK"] = "track";
  TAG_NAMES2["TT"] = "tt";
  TAG_NAMES2["U"] = "u";
  TAG_NAMES2["UL"] = "ul";
  TAG_NAMES2["SVG"] = "svg";
  TAG_NAMES2["VAR"] = "var";
  TAG_NAMES2["WBR"] = "wbr";
  TAG_NAMES2["XMP"] = "xmp";
})(TAG_NAMES || (TAG_NAMES = {}));
var TAG_ID;
(function(TAG_ID2) {
  TAG_ID2[TAG_ID2["UNKNOWN"] = 0] = "UNKNOWN";
  TAG_ID2[TAG_ID2["A"] = 1] = "A";
  TAG_ID2[TAG_ID2["ADDRESS"] = 2] = "ADDRESS";
  TAG_ID2[TAG_ID2["ANNOTATION_XML"] = 3] = "ANNOTATION_XML";
  TAG_ID2[TAG_ID2["APPLET"] = 4] = "APPLET";
  TAG_ID2[TAG_ID2["AREA"] = 5] = "AREA";
  TAG_ID2[TAG_ID2["ARTICLE"] = 6] = "ARTICLE";
  TAG_ID2[TAG_ID2["ASIDE"] = 7] = "ASIDE";
  TAG_ID2[TAG_ID2["B"] = 8] = "B";
  TAG_ID2[TAG_ID2["BASE"] = 9] = "BASE";
  TAG_ID2[TAG_ID2["BASEFONT"] = 10] = "BASEFONT";
  TAG_ID2[TAG_ID2["BGSOUND"] = 11] = "BGSOUND";
  TAG_ID2[TAG_ID2["BIG"] = 12] = "BIG";
  TAG_ID2[TAG_ID2["BLOCKQUOTE"] = 13] = "BLOCKQUOTE";
  TAG_ID2[TAG_ID2["BODY"] = 14] = "BODY";
  TAG_ID2[TAG_ID2["BR"] = 15] = "BR";
  TAG_ID2[TAG_ID2["BUTTON"] = 16] = "BUTTON";
  TAG_ID2[TAG_ID2["CAPTION"] = 17] = "CAPTION";
  TAG_ID2[TAG_ID2["CENTER"] = 18] = "CENTER";
  TAG_ID2[TAG_ID2["CODE"] = 19] = "CODE";
  TAG_ID2[TAG_ID2["COL"] = 20] = "COL";
  TAG_ID2[TAG_ID2["COLGROUP"] = 21] = "COLGROUP";
  TAG_ID2[TAG_ID2["DD"] = 22] = "DD";
  TAG_ID2[TAG_ID2["DESC"] = 23] = "DESC";
  TAG_ID2[TAG_ID2["DETAILS"] = 24] = "DETAILS";
  TAG_ID2[TAG_ID2["DIALOG"] = 25] = "DIALOG";
  TAG_ID2[TAG_ID2["DIR"] = 26] = "DIR";
  TAG_ID2[TAG_ID2["DIV"] = 27] = "DIV";
  TAG_ID2[TAG_ID2["DL"] = 28] = "DL";
  TAG_ID2[TAG_ID2["DT"] = 29] = "DT";
  TAG_ID2[TAG_ID2["EM"] = 30] = "EM";
  TAG_ID2[TAG_ID2["EMBED"] = 31] = "EMBED";
  TAG_ID2[TAG_ID2["FIELDSET"] = 32] = "FIELDSET";
  TAG_ID2[TAG_ID2["FIGCAPTION"] = 33] = "FIGCAPTION";
  TAG_ID2[TAG_ID2["FIGURE"] = 34] = "FIGURE";
  TAG_ID2[TAG_ID2["FONT"] = 35] = "FONT";
  TAG_ID2[TAG_ID2["FOOTER"] = 36] = "FOOTER";
  TAG_ID2[TAG_ID2["FOREIGN_OBJECT"] = 37] = "FOREIGN_OBJECT";
  TAG_ID2[TAG_ID2["FORM"] = 38] = "FORM";
  TAG_ID2[TAG_ID2["FRAME"] = 39] = "FRAME";
  TAG_ID2[TAG_ID2["FRAMESET"] = 40] = "FRAMESET";
  TAG_ID2[TAG_ID2["H1"] = 41] = "H1";
  TAG_ID2[TAG_ID2["H2"] = 42] = "H2";
  TAG_ID2[TAG_ID2["H3"] = 43] = "H3";
  TAG_ID2[TAG_ID2["H4"] = 44] = "H4";
  TAG_ID2[TAG_ID2["H5"] = 45] = "H5";
  TAG_ID2[TAG_ID2["H6"] = 46] = "H6";
  TAG_ID2[TAG_ID2["HEAD"] = 47] = "HEAD";
  TAG_ID2[TAG_ID2["HEADER"] = 48] = "HEADER";
  TAG_ID2[TAG_ID2["HGROUP"] = 49] = "HGROUP";
  TAG_ID2[TAG_ID2["HR"] = 50] = "HR";
  TAG_ID2[TAG_ID2["HTML"] = 51] = "HTML";
  TAG_ID2[TAG_ID2["I"] = 52] = "I";
  TAG_ID2[TAG_ID2["IMG"] = 53] = "IMG";
  TAG_ID2[TAG_ID2["IMAGE"] = 54] = "IMAGE";
  TAG_ID2[TAG_ID2["INPUT"] = 55] = "INPUT";
  TAG_ID2[TAG_ID2["IFRAME"] = 56] = "IFRAME";
  TAG_ID2[TAG_ID2["KEYGEN"] = 57] = "KEYGEN";
  TAG_ID2[TAG_ID2["LABEL"] = 58] = "LABEL";
  TAG_ID2[TAG_ID2["LI"] = 59] = "LI";
  TAG_ID2[TAG_ID2["LINK"] = 60] = "LINK";
  TAG_ID2[TAG_ID2["LISTING"] = 61] = "LISTING";
  TAG_ID2[TAG_ID2["MAIN"] = 62] = "MAIN";
  TAG_ID2[TAG_ID2["MALIGNMARK"] = 63] = "MALIGNMARK";
  TAG_ID2[TAG_ID2["MARQUEE"] = 64] = "MARQUEE";
  TAG_ID2[TAG_ID2["MATH"] = 65] = "MATH";
  TAG_ID2[TAG_ID2["MENU"] = 66] = "MENU";
  TAG_ID2[TAG_ID2["META"] = 67] = "META";
  TAG_ID2[TAG_ID2["MGLYPH"] = 68] = "MGLYPH";
  TAG_ID2[TAG_ID2["MI"] = 69] = "MI";
  TAG_ID2[TAG_ID2["MO"] = 70] = "MO";
  TAG_ID2[TAG_ID2["MN"] = 71] = "MN";
  TAG_ID2[TAG_ID2["MS"] = 72] = "MS";
  TAG_ID2[TAG_ID2["MTEXT"] = 73] = "MTEXT";
  TAG_ID2[TAG_ID2["NAV"] = 74] = "NAV";
  TAG_ID2[TAG_ID2["NOBR"] = 75] = "NOBR";
  TAG_ID2[TAG_ID2["NOFRAMES"] = 76] = "NOFRAMES";
  TAG_ID2[TAG_ID2["NOEMBED"] = 77] = "NOEMBED";
  TAG_ID2[TAG_ID2["NOSCRIPT"] = 78] = "NOSCRIPT";
  TAG_ID2[TAG_ID2["OBJECT"] = 79] = "OBJECT";
  TAG_ID2[TAG_ID2["OL"] = 80] = "OL";
  TAG_ID2[TAG_ID2["OPTGROUP"] = 81] = "OPTGROUP";
  TAG_ID2[TAG_ID2["OPTION"] = 82] = "OPTION";
  TAG_ID2[TAG_ID2["P"] = 83] = "P";
  TAG_ID2[TAG_ID2["PARAM"] = 84] = "PARAM";
  TAG_ID2[TAG_ID2["PLAINTEXT"] = 85] = "PLAINTEXT";
  TAG_ID2[TAG_ID2["PRE"] = 86] = "PRE";
  TAG_ID2[TAG_ID2["RB"] = 87] = "RB";
  TAG_ID2[TAG_ID2["RP"] = 88] = "RP";
  TAG_ID2[TAG_ID2["RT"] = 89] = "RT";
  TAG_ID2[TAG_ID2["RTC"] = 90] = "RTC";
  TAG_ID2[TAG_ID2["RUBY"] = 91] = "RUBY";
  TAG_ID2[TAG_ID2["S"] = 92] = "S";
  TAG_ID2[TAG_ID2["SCRIPT"] = 93] = "SCRIPT";
  TAG_ID2[TAG_ID2["SECTION"] = 94] = "SECTION";
  TAG_ID2[TAG_ID2["SELECT"] = 95] = "SELECT";
  TAG_ID2[TAG_ID2["SOURCE"] = 96] = "SOURCE";
  TAG_ID2[TAG_ID2["SMALL"] = 97] = "SMALL";
  TAG_ID2[TAG_ID2["SPAN"] = 98] = "SPAN";
  TAG_ID2[TAG_ID2["STRIKE"] = 99] = "STRIKE";
  TAG_ID2[TAG_ID2["STRONG"] = 100] = "STRONG";
  TAG_ID2[TAG_ID2["STYLE"] = 101] = "STYLE";
  TAG_ID2[TAG_ID2["SUB"] = 102] = "SUB";
  TAG_ID2[TAG_ID2["SUMMARY"] = 103] = "SUMMARY";
  TAG_ID2[TAG_ID2["SUP"] = 104] = "SUP";
  TAG_ID2[TAG_ID2["TABLE"] = 105] = "TABLE";
  TAG_ID2[TAG_ID2["TBODY"] = 106] = "TBODY";
  TAG_ID2[TAG_ID2["TEMPLATE"] = 107] = "TEMPLATE";
  TAG_ID2[TAG_ID2["TEXTAREA"] = 108] = "TEXTAREA";
  TAG_ID2[TAG_ID2["TFOOT"] = 109] = "TFOOT";
  TAG_ID2[TAG_ID2["TD"] = 110] = "TD";
  TAG_ID2[TAG_ID2["TH"] = 111] = "TH";
  TAG_ID2[TAG_ID2["THEAD"] = 112] = "THEAD";
  TAG_ID2[TAG_ID2["TITLE"] = 113] = "TITLE";
  TAG_ID2[TAG_ID2["TR"] = 114] = "TR";
  TAG_ID2[TAG_ID2["TRACK"] = 115] = "TRACK";
  TAG_ID2[TAG_ID2["TT"] = 116] = "TT";
  TAG_ID2[TAG_ID2["U"] = 117] = "U";
  TAG_ID2[TAG_ID2["UL"] = 118] = "UL";
  TAG_ID2[TAG_ID2["SVG"] = 119] = "SVG";
  TAG_ID2[TAG_ID2["VAR"] = 120] = "VAR";
  TAG_ID2[TAG_ID2["WBR"] = 121] = "WBR";
  TAG_ID2[TAG_ID2["XMP"] = 122] = "XMP";
})(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;
}
const UNESCAPED_TEXT = new Set([
  TAG_NAMES.STYLE,
  TAG_NAMES.SCRIPT,
  TAG_NAMES.XMP,
  TAG_NAMES.IFRAME,
  TAG_NAMES.NOEMBED,
  TAG_NAMES.NOFRAMES,
  TAG_NAMES.PLAINTEXT
]);
function hasUnescapedText(tn, scriptingEnabled) {
  return UNESCAPED_TEXT.has(tn) || scriptingEnabled && tn === TAG_NAMES.NOSCRIPT;
}
var html = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  get NS() {
    return NS;
  },
  get ATTRS() {
    return ATTRS;
  },
  get DOCUMENT_MODE() {
    return DOCUMENT_MODE;
  },
  get TAG_NAMES() {
    return TAG_NAMES;
  },
  get TAG_ID() {
    return TAG_ID;
  },
  getTagID,
  SPECIAL_ELEMENTS,
  isNumberedHeader,
  hasUnescapedText
});
const C1_CONTROLS_REFERENCE_REPLACEMENTS = new Map([
  [128, 8364],
  [130, 8218],
  [131, 402],
  [132, 8222],
  [133, 8230],
  [134, 8224],
  [135, 8225],
  [136, 710],
  [137, 8240],
  [138, 352],
  [139, 8249],
  [140, 338],
  [142, 381],
  [145, 8216],
  [146, 8217],
  [147, 8220],
  [148, 8221],
  [149, 8226],
  [150, 8211],
  [151, 8212],
  [152, 732],
  [153, 8482],
  [154, 353],
  [155, 8250],
  [156, 339],
  [158, 382],
  [159, 376]
]);
var State;
(function(State2) {
  State2[State2["DATA"] = 0] = "DATA";
  State2[State2["RCDATA"] = 1] = "RCDATA";
  State2[State2["RAWTEXT"] = 2] = "RAWTEXT";
  State2[State2["SCRIPT_DATA"] = 3] = "SCRIPT_DATA";
  State2[State2["PLAINTEXT"] = 4] = "PLAINTEXT";
  State2[State2["TAG_OPEN"] = 5] = "TAG_OPEN";
  State2[State2["END_TAG_OPEN"] = 6] = "END_TAG_OPEN";
  State2[State2["TAG_NAME"] = 7] = "TAG_NAME";
  State2[State2["RCDATA_LESS_THAN_SIGN"] = 8] = "RCDATA_LESS_THAN_SIGN";
  State2[State2["RCDATA_END_TAG_OPEN"] = 9] = "RCDATA_END_TAG_OPEN";
  State2[State2["RCDATA_END_TAG_NAME"] = 10] = "RCDATA_END_TAG_NAME";
  State2[State2["RAWTEXT_LESS_THAN_SIGN"] = 11] = "RAWTEXT_LESS_THAN_SIGN";
  State2[State2["RAWTEXT_END_TAG_OPEN"] = 12] = "RAWTEXT_END_TAG_OPEN";
  State2[State2["RAWTEXT_END_TAG_NAME"] = 13] = "RAWTEXT_END_TAG_NAME";
  State2[State2["SCRIPT_DATA_LESS_THAN_SIGN"] = 14] = "SCRIPT_DATA_LESS_THAN_SIGN";
  State2[State2["SCRIPT_DATA_END_TAG_OPEN"] = 15] = "SCRIPT_DATA_END_TAG_OPEN";
  State2[State2["SCRIPT_DATA_END_TAG_NAME"] = 16] = "SCRIPT_DATA_END_TAG_NAME";
  State2[State2["SCRIPT_DATA_ESCAPE_START"] = 17] = "SCRIPT_DATA_ESCAPE_START";
  State2[State2["SCRIPT_DATA_ESCAPE_START_DASH"] = 18] = "SCRIPT_DATA_ESCAPE_START_DASH";
  State2[State2["SCRIPT_DATA_ESCAPED"] = 19] = "SCRIPT_DATA_ESCAPED";
  State2[State2["SCRIPT_DATA_ESCAPED_DASH"] = 20] = "SCRIPT_DATA_ESCAPED_DASH";
  State2[State2["SCRIPT_DATA_ESCAPED_DASH_DASH"] = 21] = "SCRIPT_DATA_ESCAPED_DASH_DASH";
  State2[State2["SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN"] = 22] = "SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN";
  State2[State2["SCRIPT_DATA_ESCAPED_END_TAG_OPEN"] = 23] = "SCRIPT_DATA_ESCAPED_END_TAG_OPEN";
  State2[State2["SCRIPT_DATA_ESCAPED_END_TAG_NAME"] = 24] = "SCRIPT_DATA_ESCAPED_END_TAG_NAME";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPE_START"] = 25] = "SCRIPT_DATA_DOUBLE_ESCAPE_START";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPED"] = 26] = "SCRIPT_DATA_DOUBLE_ESCAPED";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPED_DASH"] = 27] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH"] = 28] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN"] = 29] = "SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN";
  State2[State2["SCRIPT_DATA_DOUBLE_ESCAPE_END"] = 30] = "SCRIPT_DATA_DOUBLE_ESCAPE_END";
  State2[State2["BEFORE_ATTRIBUTE_NAME"] = 31] = "BEFORE_ATTRIBUTE_NAME";
  State2[State2["ATTRIBUTE_NAME"] = 32] = "ATTRIBUTE_NAME";
  State2[State2["AFTER_ATTRIBUTE_NAME"] = 33] = "AFTER_ATTRIBUTE_NAME";
  State2[State2["BEFORE_ATTRIBUTE_VALUE"] = 34] = "BEFORE_ATTRIBUTE_VALUE";
  State2[State2["ATTRIBUTE_VALUE_DOUBLE_QUOTED"] = 35] = "ATTRIBUTE_VALUE_DOUBLE_QUOTED";
  State2[State2["ATTRIBUTE_VALUE_SINGLE_QUOTED"] = 36] = "ATTRIBUTE_VALUE_SINGLE_QUOTED";
  State2[State2["ATTRIBUTE_VALUE_UNQUOTED"] = 37] = "ATTRIBUTE_VALUE_UNQUOTED";
  State2[State2["AFTER_ATTRIBUTE_VALUE_QUOTED"] = 38] = "AFTER_ATTRIBUTE_VALUE_QUOTED";
  State2[State2["SELF_CLOSING_START_TAG"] = 39] = "SELF_CLOSING_START_TAG";
  State2[State2["BOGUS_COMMENT"] = 40] = "BOGUS_COMMENT";
  State2[State2["MARKUP_DECLARATION_OPEN"] = 41] = "MARKUP_DECLARATION_OPEN";
  State2[State2["COMMENT_START"] = 42] = "COMMENT_START";
  State2[State2["COMMENT_START_DASH"] = 43] = "COMMENT_START_DASH";
  State2[State2["COMMENT"] = 44] = "COMMENT";
  State2[State2["COMMENT_LESS_THAN_SIGN"] = 45] = "COMMENT_LESS_THAN_SIGN";
  State2[State2["COMMENT_LESS_THAN_SIGN_BANG"] = 46] = "COMMENT_LESS_THAN_SIGN_BANG";
  State2[State2["COMMENT_LESS_THAN_SIGN_BANG_DASH"] = 47] = "COMMENT_LESS_THAN_SIGN_BANG_DASH";
  State2[State2["COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH"] = 48] = "COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH";
  State2[State2["COMMENT_END_DASH"] = 49] = "COMMENT_END_DASH";
  State2[State2["COMMENT_END"] = 50] = "COMMENT_END";
  State2[State2["COMMENT_END_BANG"] = 51] = "COMMENT_END_BANG";
  State2[State2["DOCTYPE"] = 52] = "DOCTYPE";
  State2[State2["BEFORE_DOCTYPE_NAME"] = 53] = "BEFORE_DOCTYPE_NAME";
  State2[State2["DOCTYPE_NAME"] = 54] = "DOCTYPE_NAME";
  State2[State2["AFTER_DOCTYPE_NAME"] = 55] = "AFTER_DOCTYPE_NAME";
  State2[State2["AFTER_DOCTYPE_PUBLIC_KEYWORD"] = 56] = "AFTER_DOCTYPE_PUBLIC_KEYWORD";
  State2[State2["BEFORE_DOCTYPE_PUBLIC_IDENTIFIER"] = 57] = "BEFORE_DOCTYPE_PUBLIC_IDENTIFIER";
  State2[State2["DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED"] = 58] = "DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED";
  State2[State2["DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED"] = 59] = "DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED";
  State2[State2["AFTER_DOCTYPE_PUBLIC_IDENTIFIER"] = 60] = "AFTER_DOCTYPE_PUBLIC_IDENTIFIER";
  State2[State2["BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS"] = 61] = "BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS";
  State2[State2["AFTER_DOCTYPE_SYSTEM_KEYWORD"] = 62] = "AFTER_DOCTYPE_SYSTEM_KEYWORD";
  State2[State2["BEFORE_DOCTYPE_SYSTEM_IDENTIFIER"] = 63] = "BEFORE_DOCTYPE_SYSTEM_IDENTIFIER";
  State2[State2["DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED"] = 64] = "DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED";
  State2[State2["DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED"] = 65] = "DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED";
  State2[State2["AFTER_DOCTYPE_SYSTEM_IDENTIFIER"] = 66] = "AFTER_DOCTYPE_SYSTEM_IDENTIFIER";
  State2[State2["BOGUS_DOCTYPE"] = 67] = "BOGUS_DOCTYPE";
  State2[State2["CDATA_SECTION"] = 68] = "CDATA_SECTION";
  State2[State2["CDATA_SECTION_BRACKET"] = 69] = "CDATA_SECTION_BRACKET";
  State2[State2["CDATA_SECTION_END"] = 70] = "CDATA_SECTION_END";
  State2[State2["CHARACTER_REFERENCE"] = 71] = "CHARACTER_REFERENCE";
  State2[State2["NAMED_CHARACTER_REFERENCE"] = 72] = "NAMED_CHARACTER_REFERENCE";
  State2[State2["AMBIGUOUS_AMPERSAND"] = 73] = "AMBIGUOUS_AMPERSAND";
  State2[State2["NUMERIC_CHARACTER_REFERENCE"] = 74] = "NUMERIC_CHARACTER_REFERENCE";
  State2[State2["HEXADEMICAL_CHARACTER_REFERENCE_START"] = 75] = "HEXADEMICAL_CHARACTER_REFERENCE_START";
  State2[State2["DECIMAL_CHARACTER_REFERENCE_START"] = 76] = "DECIMAL_CHARACTER_REFERENCE_START";
  State2[State2["HEXADEMICAL_CHARACTER_REFERENCE"] = 77] = "HEXADEMICAL_CHARACTER_REFERENCE";
  State2[State2["DECIMAL_CHARACTER_REFERENCE"] = 78] = "DECIMAL_CHARACTER_REFERENCE";
  State2[State2["NUMERIC_CHARACTER_REFERENCE_END"] = 79] = "NUMERIC_CHARACTER_REFERENCE_END";
})(State || (State = {}));
const TokenizerMode = {
  DATA: State.DATA,
  RCDATA: State.RCDATA,
  RAWTEXT: State.RAWTEXT,
  SCRIPT_DATA: State.SCRIPT_DATA,
  PLAINTEXT: State.PLAINTEXT,
  CDATA_SECTION: State.CDATA_SECTION
};
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;
}
class Tokenizer {
  constructor(options, handler) {
    this.options = options;
    this.handler = handler;
    this.paused = false;
    this.inLoop = false;
    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);
  }
  _err(code) {
    var _a, _b;
    (_b = (_a = this.handler).onParseError) === null || _b === void 0 ? void 0 : _b.call(_a, this.preprocessor.getError(code));
  }
  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;
  }
  pause() {
    this.paused = true;
  }
  resume(writeCallback) {
    if (!this.paused) {
      throw new Error("Parser was already resumed");
    }
    this.paused = false;
    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();
  }
  _ensureHibernation() {
    if (this.preprocessor.endOfChunkHit) {
      this._unconsume(this.consumedAfterSnapshot);
      this.active = false;
      return true;
    }
    return false;
  }
  _consume() {
    this.consumedAfterSnapshot++;
    return this.preprocessor.advance();
  }
  _unconsume(count) {
    this.consumedAfterSnapshot -= count;
    this.preprocessor.retreat(count);
  }
  _reconsumeInState(state) {
    this.state = state;
    this._unconsume(1);
  }
  _advanceBy(count) {
    this.consumedAfterSnapshot += count;
    for (let i = 0; i < count; i++) {
      this.preprocessor.advance();
    }
  }
  _consumeSequenceIfMatch(pattern, caseSensitive) {
    if (this.preprocessor.startsWith(pattern, caseSensitive)) {
      this._advanceBy(pattern.length - 1);
      return true;
    }
    return false;
  }
  _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
    };
  }
  _createAttr(attrNameFirstCh) {
    this.currentAttr = {
      name: attrNameFirstCh,
      value: ""
    };
    this.currentLocation = this.getCurrentLocation(0);
  }
  _leaveAttrName() {
    var _a;
    var _b;
    const token2 = this.currentToken;
    if (getTokenAttr(token2, this.currentAttr.name) === null) {
      token2.attrs.push(this.currentAttr);
      if (token2.location && this.currentLocation) {
        const attrLocations = (_a = (_b = token2.location).attrs) !== null && _a !== void 0 ? _a : _b.attrs = Object.create(null);
        attrLocations[this.currentAttr.name] = this.currentLocation;
        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;
    }
  }
  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) {
      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;
  }
  _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) {
    let type = TokenType.CHARACTER;
    if (isWhitespace(cp)) {
      type = TokenType.WHITESPACE_CHARACTER;
    } else if (cp === CODE_POINTS.NULL) {
      type = TokenType.NULL_CHARACTER;
    }
    this._appendCharToCurrentCharacterToken(type, String.fromCodePoint(cp));
  }
  _emitChars(ch) {
    this._appendCharToCurrentCharacterToken(TokenType.CHARACTER, ch);
  }
  _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 (masked) {
        const valueLength = (masked >> 14) - 1;
        if (cp !== CODE_POINTS.SEMICOLON && this._isCharacterReferenceInAttribute() && isEntityInAttributeInvalidEnd(this.preprocessor.peek(1))) {
          result = [CODE_POINTS.AMPERSAND];
          i += valueLength;
        } else {
          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) {
          this._consume();
          break;
        }
      }
    }
    this._unconsume(excess);
    if (withoutSemicolon && !this.preprocessor.endOfChunkHit) {
      this._err(ERR.missingSemicolonAfterCharacterReference);
    }
    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);
    }
  }
  _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.DECIMAL_CHARACTER_REFERENCE_START: {
        this._stateDecimalCharacterReferenceStart(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();
        break;
      }
      default: {
        throw new Error("Unknown 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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
        }
      }
  }
  _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);
        }
      }
  }
  _stateTagName(cp) {
    const token2 = 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);
        token2.tagName += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInTag);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.tagName += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
      }
    }
  }
  _stateRcdataLessThanSign(cp) {
    if (cp === CODE_POINTS.SOLIDUS) {
      this.state = State.RCDATA_END_TAG_OPEN;
    } else {
      this._emitChars("<");
      this.state = State.RCDATA;
      this._stateRcdata(cp);
    }
  }
  _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 token2 = this.currentToken;
    token2.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();
      }
    }
  }
  _stateRcdataEndTagName(cp) {
    if (this.handleSpecialEndTag(cp)) {
      this._emitChars("</");
      this.state = State.RCDATA;
      this._stateRcdata(cp);
    }
  }
  _stateRawtextLessThanSign(cp) {
    if (cp === CODE_POINTS.SOLIDUS) {
      this.state = State.RAWTEXT_END_TAG_OPEN;
    } else {
      this._emitChars("<");
      this.state = State.RAWTEXT;
      this._stateRawtext(cp);
    }
  }
  _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);
    }
  }
  _stateRawtextEndTagName(cp) {
    if (this.handleSpecialEndTag(cp)) {
      this._emitChars("</");
      this.state = State.RAWTEXT;
      this._stateRawtext(cp);
    }
  }
  _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);
      }
    }
  }
  _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);
    }
  }
  _stateScriptDataEndTagName(cp) {
    if (this.handleSpecialEndTag(cp)) {
      this._emitChars("</");
      this.state = State.SCRIPT_DATA;
      this._stateScriptData(cp);
    }
  }
  _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);
    }
  }
  _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);
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
    }
  }
  _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);
    }
  }
  _stateScriptDataEscapedEndTagName(cp) {
    if (this.handleSpecialEndTag(cp)) {
      this._emitChars("</");
      this.state = State.SCRIPT_DATA_ESCAPED;
      this._stateScriptDataEscaped(cp);
    }
  }
  _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);
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
    }
  }
  _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);
    }
  }
  _stateBeforeAttributeName(cp) {
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        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);
      }
    }
  }
  _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);
      }
    }
  }
  _stateAfterAttributeName(cp) {
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        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);
      }
    }
  }
  _stateBeforeAttributeValue(cp) {
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _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);
      }
    }
  }
  _stateSelfClosingStartTag(cp) {
    switch (cp) {
      case CODE_POINTS.GREATER_THAN_SIGN: {
        const token2 = this.currentToken;
        token2.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);
      }
    }
  }
  _stateBogusComment(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.state = State.DATA;
        this.emitCurrentComment(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this.emitCurrentComment(token2);
        this._emitEOFToken();
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        token2.data += REPLACEMENT_CHARACTER;
        break;
      }
      default: {
        token2.data += String.fromCodePoint(cp);
      }
    }
  }
  _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)) {
      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;
      }
    } else if (!this._ensureHibernation()) {
      this._err(ERR.incorrectlyOpenedComment);
      this._createCommentToken(2);
      this.state = State.BOGUS_COMMENT;
      this._stateBogusComment(cp);
    }
  }
  _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 token2 = this.currentToken;
        this.emitCurrentComment(token2);
        break;
      }
      default: {
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _stateCommentStartDash(cp) {
    const token2 = 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(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInComment);
        this.emitCurrentComment(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.data += "-";
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _stateComment(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.HYPHEN_MINUS: {
        this.state = State.COMMENT_END_DASH;
        break;
      }
      case CODE_POINTS.LESS_THAN_SIGN: {
        token2.data += "<";
        this.state = State.COMMENT_LESS_THAN_SIGN;
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        token2.data += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInComment);
        this.emitCurrentComment(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.data += String.fromCodePoint(cp);
      }
    }
  }
  _stateCommentLessThanSign(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.EXCLAMATION_MARK: {
        token2.data += "!";
        this.state = State.COMMENT_LESS_THAN_SIGN_BANG;
        break;
      }
      case CODE_POINTS.LESS_THAN_SIGN: {
        token2.data += "<";
        break;
      }
      default: {
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _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);
    }
  }
  _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);
    }
  }
  _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);
  }
  _stateCommentEndDash(cp) {
    const token2 = 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(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.data += "-";
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _stateCommentEnd(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.state = State.DATA;
        this.emitCurrentComment(token2);
        break;
      }
      case CODE_POINTS.EXCLAMATION_MARK: {
        this.state = State.COMMENT_END_BANG;
        break;
      }
      case CODE_POINTS.HYPHEN_MINUS: {
        token2.data += "-";
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInComment);
        this.emitCurrentComment(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.data += "--";
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _stateCommentEndBang(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.HYPHEN_MINUS: {
        token2.data += "--!";
        this.state = State.COMMENT_END_DASH;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.incorrectlyClosedComment);
        this.state = State.DATA;
        this.emitCurrentComment(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInComment);
        this.emitCurrentComment(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.data += "--!";
        this.state = State.COMMENT;
        this._stateComment(cp);
      }
    }
  }
  _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 token2 = this.currentToken;
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingWhitespaceBeforeDoctypeName);
        this.state = State.BEFORE_DOCTYPE_NAME;
        this._stateBeforeDoctypeName(cp);
      }
    }
  }
  _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: {
          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 token2 = this.currentToken;
          token2.forceQuirks = true;
          this.emitCurrentDoctype(token2);
          this.state = State.DATA;
          break;
        }
        case CODE_POINTS.EOF: {
          this._err(ERR.eofInDoctype);
          this._createDoctypeToken(null);
          const token2 = this.currentToken;
          token2.forceQuirks = true;
          this.emitCurrentDoctype(token2);
          this._emitEOFToken();
          break;
        }
        default: {
          this._createDoctypeToken(String.fromCodePoint(cp));
          this.state = State.DOCTYPE_NAME;
        }
      }
  }
  _stateDoctypeName(cp) {
    const token2 = 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(token2);
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        token2.name += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
      }
    }
  }
  _stateAfterDoctypeName(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.state = State.DATA;
        this.emitCurrentDoctype(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        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;
        } else if (!this._ensureHibernation()) {
          this._err(ERR.invalidCharacterSequenceAfterDoctypeName);
          token2.forceQuirks = true;
          this.state = State.BOGUS_DOCTYPE;
          this._stateBogusDoctype(cp);
        }
    }
  }
  _stateAfterDoctypePublicKeyword(cp) {
    const token2 = 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);
        token2.publicId = "";
        this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
        token2.publicId = "";
        this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.missingDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.state = State.DATA;
        this.emitCurrentDoctype(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateBeforeDoctypePublicIdentifier(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        break;
      }
      case CODE_POINTS.QUOTATION_MARK: {
        token2.publicId = "";
        this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        token2.publicId = "";
        this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.missingDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.state = State.DATA;
        this.emitCurrentDoctype(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateDoctypePublicIdentifierDoubleQuoted(cp) {
    const token2 = 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);
        token2.publicId += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.abruptDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.publicId += String.fromCodePoint(cp);
      }
    }
  }
  _stateDoctypePublicIdentifierSingleQuoted(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.APOSTROPHE: {
        this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        token2.publicId += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.abruptDoctypePublicIdentifier);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.publicId += String.fromCodePoint(cp);
      }
    }
  }
  _stateAfterDoctypePublicIdentifier(cp) {
    const token2 = 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(token2);
        break;
      }
      case CODE_POINTS.QUOTATION_MARK: {
        this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateBetweenDoctypePublicAndSystemIdentifiers(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.QUOTATION_MARK: {
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateAfterDoctypeSystemKeyword(cp) {
    const token2 = 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);
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.missingDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.DATA;
        this.emitCurrentDoctype(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateBeforeDoctypeSystemIdentifier(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        break;
      }
      case CODE_POINTS.QUOTATION_MARK: {
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
        break;
      }
      case CODE_POINTS.APOSTROPHE: {
        token2.systemId = "";
        this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.missingDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.DATA;
        this.emitCurrentDoctype(token2);
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateDoctypeSystemIdentifierDoubleQuoted(cp) {
    const token2 = 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);
        token2.systemId += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.abruptDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.systemId += String.fromCodePoint(cp);
      }
    }
  }
  _stateDoctypeSystemIdentifierSingleQuoted(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.APOSTROPHE: {
        this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        token2.systemId += REPLACEMENT_CHARACTER;
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this._err(ERR.abruptDoctypeSystemIdentifier);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        token2.systemId += String.fromCodePoint(cp);
      }
    }
  }
  _stateAfterDoctypeSystemIdentifier(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.SPACE:
      case CODE_POINTS.LINE_FEED:
      case CODE_POINTS.TABULATION:
      case CODE_POINTS.FORM_FEED: {
        break;
      }
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.EOF: {
        this._err(ERR.eofInDoctype);
        token2.forceQuirks = true;
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
      default: {
        this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier);
        this.state = State.BOGUS_DOCTYPE;
        this._stateBogusDoctype(cp);
      }
    }
  }
  _stateBogusDoctype(cp) {
    const token2 = this.currentToken;
    switch (cp) {
      case CODE_POINTS.GREATER_THAN_SIGN: {
        this.emitCurrentDoctype(token2);
        this.state = State.DATA;
        break;
      }
      case CODE_POINTS.NULL: {
        this._err(ERR.unexpectedNullCharacter);
        break;
      }
      case CODE_POINTS.EOF: {
        this.emitCurrentDoctype(token2);
        this._emitEOFToken();
        break;
      }
    }
  }
  _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);
      }
    }
  }
  _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);
    }
  }
  _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);
      }
    }
  }
  _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);
    }
  }
  _stateNamedCharacterReference(cp) {
    const matchResult = this._matchNamedCharacterReference(cp);
    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;
    }
  }
  _stateAmbiguousAmpersand(cp) {
    if (isAsciiAlphaNumeric(cp)) {
      this._flushCodePointConsumedAsCharacterReference(cp);
    } else {
      if (cp === CODE_POINTS.SEMICOLON) {
        this._err(ERR.unknownNamedCharacterReference);
      }
      this._reconsumeInState(this.returnState);
    }
  }
  _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;
    } else {
      this.state = State.DECIMAL_CHARACTER_REFERENCE_START;
      this._stateDecimalCharacterReferenceStart(cp);
    }
  }
  _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;
    }
  }
  _stateDecimalCharacterReferenceStart(cp) {
    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);
    }
  }
  _stateHexademicalCharacterReference(cp) {
    if (isAsciiUpperHexDigit(cp)) {
      this.charRefCode = this.charRefCode * 16 + cp - 55;
    } else if (isAsciiLowerHexDigit(cp)) {
      this.charRefCode = this.charRefCode * 16 + cp - 87;
    } else if (isAsciiDigit(cp)) {
      this.charRefCode = this.charRefCode * 16 + cp - 48;
    } 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();
    }
  }
  _stateDecimalCharacterReference(cp) {
    if (isAsciiDigit(cp)) {
      this.charRefCode = this.charRefCode * 10 + cp - 48;
    } 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();
    }
  }
  _stateNumericCharacterReferenceEnd() {
    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 !== void 0) {
        this.charRefCode = replacement;
      }
    }
    this._flushCodePointConsumedAsCharacterReference(this.charRefCode);
    this._reconsumeInState(this.returnState);
  }
}
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];
class OpenElementStack {
  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;
  }
  get currentTmplContentOrNode() {
    return this._isInTemplate() ? this.treeAdapter.getTemplateContent(this.current) : this.current;
  }
  _indexOf(element) {
    return this.items.lastIndexOf(element, this.stackTop);
  }
  _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];
  }
  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() {
    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);
      }
    }
  }
  tryPeekProperlyNestedBodyElement() {
    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;
  }
  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;
  }
  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 NOAH_ARK_CAPACITY = 3;
var EntryType;
(function(EntryType2) {
  EntryType2[EntryType2["Marker"] = 0] = "Marker";
  EntryType2[EntryType2["Element"] = 1] = "Element";
})(EntryType || (EntryType = {}));
const MARKER = {type: EntryType.Marker};
class FormattingElementList {
  constructor(treeAdapter) {
    this.treeAdapter = treeAdapter;
    this.entries = [];
    this.bookmark = null;
  }
  _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;
    const neAttrsMap = new Map(neAttrs.map((neAttr) => [neAttr.name, neAttr.value]));
    let validCandidates = 0;
    for (let i = 0; i < candidates.length; i++) {
      const candidate = candidates[i];
      if (candidate.attrs.every((cAttr) => neAttrsMap.get(cAttr.name) === cAttr.value)) {
        validCandidates += 1;
        if (validCandidates >= NOAH_ARK_CAPACITY) {
          this.entries.splice(candidate.idx, 1);
        }
      }
    }
  }
  insertMarker() {
    this.entries.unshift(MARKER);
  }
  pushElement(element, token2) {
    this._ensureNoahArkCondition(element);
    this.entries.unshift({
      type: EntryType.Element,
      element,
      token: token2
    });
  }
  insertElementAfterBookmark(element, token2) {
    const bookmarkIdx = this.entries.indexOf(this.bookmark);
    this.entries.splice(bookmarkIdx, 0, {
      type: EntryType.Element,
      element,
      token: token2
    });
  }
  removeEntry(entry) {
    const entryIndex = this.entries.indexOf(entry);
    if (entryIndex >= 0) {
      this.entries.splice(entryIndex, 1);
    }
  }
  clearToLastMarker() {
    const markerIdx = this.entries.indexOf(MARKER);
    if (markerIdx >= 0) {
      this.entries.splice(0, markerIdx + 1);
    } else {
      this.entries.length = 0;
    }
  }
  getElementEntryInScopeWithTagName(tagName) {
    const entry = this.entries.find((entry2) => entry2.type === EntryType.Marker || this.treeAdapter.getTagName(entry2.element) === tagName);
    return entry && entry.type === EntryType.Element ? entry : null;
  }
  getElementEntry(element) {
    return this.entries.find((entry) => entry.type === EntryType.Element && entry.element === element);
  }
}
var NodeType;
(function(NodeType2) {
  NodeType2["Document"] = "#document";
  NodeType2["DocumentFragment"] = "#document-fragment";
  NodeType2["Comment"] = "#comment";
  NodeType2["Text"] = "#text";
  NodeType2["DocumentType"] = "#documentType";
})(NodeType || (NodeType = {}));
function createTextNode(value) {
  return {
    nodeName: NodeType.Text,
    value,
    parentNode: null
  };
}
const defaultTreeAdapter = {
  createDocument() {
    return {
      nodeName: NodeType.Document,
      mode: DOCUMENT_MODE.NO_QUIRKS,
      childNodes: []
    };
  },
  createDocumentFragment() {
    return {
      nodeName: NodeType.DocumentFragment,
      childNodes: []
    };
  },
  createElement(tagName, namespaceURI, attrs) {
    return {
      nodeName: tagName,
      tagName,
      attrs,
      namespaceURI,
      childNodes: [],
      parentNode: null
    };
  },
  createCommentNode(data) {
    return {
      nodeName: NodeType.Comment,
      data,
      parentNode: null
    };
  },
  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 === NodeType.DocumentType);
    if (doctypeNode) {
      doctypeNode.name = name;
      doctypeNode.publicId = publicId;
      doctypeNode.systemId = systemId;
    } else {
      const node = {
        nodeName: NodeType.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]);
      }
    }
  },
  getFirstChild(node) {
    return node.childNodes[0];
  },
  getChildNodes(node) {
    return node.childNodes;
  },
  getParentNode(node) {
    return node.parentNode;
  },
  getAttrList(element) {
    return element.attrs;
  },
  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;
  },
  isTextNode(node) {
    return node.nodeName === "#text";
  },
  isCommentNode(node) {
    return node.nodeName === "#comment";
  },
  isDocumentTypeNode(node) {
    return node.nodeName === NodeType.DocumentType;
  },
  isElementNode(node) {
    return Object.prototype.hasOwnProperty.call(node, "tagName");
  },
  setNodeSourceCodeLocation(node, location) {
    node.sourceCodeLocation = location;
  },
  getNodeSourceCodeLocation(node) {
    return node.sourceCodeLocation;
  },
  updateNodeSourceCodeLocation(node, endLocation) {
    node.sourceCodeLocation = {...node.sourceCodeLocation, ...endLocation};
  }
};
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//"
];
function hasPrefix(publicId, prefixes) {
  return prefixes.some((prefix) => publicId.startsWith(prefix));
}
function isConforming(token2) {
  return token2.name === VALID_DOCTYPE_NAME && token2.publicId === null && (token2.systemId === null || token2.systemId === VALID_SYSTEM_ID);
}
function getDocumentMode(token2) {
  if (token2.name !== VALID_DOCTYPE_NAME) {
    return DOCUMENT_MODE.QUIRKS;
  }
  const {systemId} = token2;
  if (systemId && systemId.toLowerCase() === QUIRKS_MODE_SYSTEM_ID) {
    return DOCUMENT_MODE.QUIRKS;
  }
  let {publicId} = token2;
  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;
}
const MIME_TYPES = {
  TEXT_HTML: "text/html",
  APPLICATION_XML: "application/xhtml+xml"
};
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}]
]);
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]));
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
]);
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);
}
function adjustTokenMathMLAttrs(token2) {
  for (let i = 0; i < token2.attrs.length; i++) {
    if (token2.attrs[i].name === DEFINITION_URL_ATTR) {
      token2.attrs[i].name = ADJUSTED_DEFINITION_URL_ATTR;
      break;
    }
  }
}
function adjustTokenSVGAttrs(token2) {
  for (let i = 0; i < token2.attrs.length; i++) {
    const adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP.get(token2.attrs[i].name);
    if (adjustedAttrName != null) {
      token2.attrs[i].name = adjustedAttrName;
    }
  }
}
function adjustTokenXMLAttrs(token2) {
  for (let i = 0; i < token2.attrs.length; i++) {
    const adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP.get(token2.attrs[i].name);
    if (adjustedAttrEntry) {
      token2.attrs[i].prefix = adjustedAttrEntry.prefix;
      token2.attrs[i].name = adjustedAttrEntry.name;
      token2.attrs[i].namespace = adjustedAttrEntry.namespace;
    }
  }
}
function adjustTokenSVGTagName(token2) {
  const adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP.get(token2.tagName);
  if (adjustedTagName != null) {
    token2.tagName = adjustedTagName;
    token2.tagID = getTagID(token2.tagName);
  }
}
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);
}
var foreignContent = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  SVG_TAG_NAMES_ADJUSTMENT_MAP,
  causesExit,
  adjustTokenMathMLAttrs,
  adjustTokenSVGAttrs,
  adjustTokenXMLAttrs,
  adjustTokenSVGTagName,
  isIntegrationPoint
});
const HIDDEN_INPUT_TYPE = "hidden";
const AA_OUTER_LOOP_ITER = 8;
const AA_INNER_LOOP_ITER = 3;
var InsertionMode;
(function(InsertionMode2) {
  InsertionMode2[InsertionMode2["INITIAL"] = 0] = "INITIAL";
  InsertionMode2[InsertionMode2["BEFORE_HTML"] = 1] = "BEFORE_HTML";
  InsertionMode2[InsertionMode2["BEFORE_HEAD"] = 2] = "BEFORE_HEAD";
  InsertionMode2[InsertionMode2["IN_HEAD"] = 3] = "IN_HEAD";
  InsertionMode2[InsertionMode2["IN_HEAD_NO_SCRIPT"] = 4] = "IN_HEAD_NO_SCRIPT";
  InsertionMode2[InsertionMode2["AFTER_HEAD"] = 5] = "AFTER_HEAD";
  InsertionMode2[InsertionMode2["IN_BODY"] = 6] = "IN_BODY";
  InsertionMode2[InsertionMode2["TEXT"] = 7] = "TEXT";
  InsertionMode2[InsertionMode2["IN_TABLE"] = 8] = "IN_TABLE";
  InsertionMode2[InsertionMode2["IN_TABLE_TEXT"] = 9] = "IN_TABLE_TEXT";
  InsertionMode2[InsertionMode2["IN_CAPTION"] = 10] = "IN_CAPTION";
  InsertionMode2[InsertionMode2["IN_COLUMN_GROUP"] = 11] = "IN_COLUMN_GROUP";
  InsertionMode2[InsertionMode2["IN_TABLE_BODY"] = 12] = "IN_TABLE_BODY";
  InsertionMode2[InsertionMode2["IN_ROW"] = 13] = "IN_ROW";
  InsertionMode2[InsertionMode2["IN_CELL"] = 14] = "IN_CELL";
  InsertionMode2[InsertionMode2["IN_SELECT"] = 15] = "IN_SELECT";
  InsertionMode2[InsertionMode2["IN_SELECT_IN_TABLE"] = 16] = "IN_SELECT_IN_TABLE";
  InsertionMode2[InsertionMode2["IN_TEMPLATE"] = 17] = "IN_TEMPLATE";
  InsertionMode2[InsertionMode2["AFTER_BODY"] = 18] = "AFTER_BODY";
  InsertionMode2[InsertionMode2["IN_FRAMESET"] = 19] = "IN_FRAMESET";
  InsertionMode2[InsertionMode2["AFTER_FRAMESET"] = 20] = "AFTER_FRAMESET";
  InsertionMode2[InsertionMode2["AFTER_AFTER_BODY"] = 21] = "AFTER_AFTER_BODY";
  InsertionMode2[InsertionMode2["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
};
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;
    this.currentNotInHTML = false;
    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;
    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);
  }
  static parse(html2, options) {
    const parser = new this(options);
    parser.tokenizer.write(html2, true);
    return parser.document;
  }
  static getFragmentParser(fragmentContext, options) {
    const opts = {
      ...defaultParserOptions,
      ...options
    };
    fragmentContext !== null && fragmentContext !== void 0 ? fragmentContext : fragmentContext = opts.treeAdapter.createElement(TAG_NAMES.TEMPLATE, NS.HTML, []);
    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;
  }
  _err(token2, code, beforeToken) {
    var _a;
    if (!this.onParseError)
      return;
    const loc = (_a = token2.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);
  }
  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;
  }
  _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;
      }
    }
  }
  _setDocumentType(token2) {
    const name = token2.name || "";
    const publicId = token2.publicId || "";
    const systemId = token2.systemId || "";
    this.treeAdapter.setDocumentType(this.document, name, publicId, systemId);
    if (token2.location) {
      const documentChildren = this.treeAdapter.getChildNodes(this.document);
      const docTypeNode = documentChildren.find((node) => this.treeAdapter.isDocumentTypeNode(node));
      if (docTypeNode) {
        this.treeAdapter.setNodeSourceCodeLocation(docTypeNode, token2.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(token2, namespaceURI) {
    const element = this.treeAdapter.createElement(token2.tagName, namespaceURI, token2.attrs);
    this._attachElementToTree(element, token2.location);
  }
  _insertElement(token2, namespaceURI) {
    const element = this.treeAdapter.createElement(token2.tagName, namespaceURI, token2.attrs);
    this._attachElementToTree(element, token2.location);
    this.openElements.push(element, token2.tagID);
  }
  _insertFakeElement(tagName, tagID) {
    const element = this.treeAdapter.createElement(tagName, NS.HTML, []);
    this._attachElementToTree(element, null);
    this.openElements.push(element, tagID);
  }
  _insertTemplate(token2) {
    const tmpl = this.treeAdapter.createElement(token2.tagName, NS.HTML, token2.attrs);
    const content = this.treeAdapter.createDocumentFragment();
    this.treeAdapter.setTemplateContent(tmpl, content);
    this._attachElementToTree(tmpl, token2.location);
    this.openElements.push(tmpl, token2.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(token2, parent) {
    const commentNode = this.treeAdapter.createCommentNode(token2.data);
    this.treeAdapter.appendChild(parent, commentNode);
    if (this.options.sourceCodeLocationInfo) {
      this.treeAdapter.setNodeSourceCodeLocation(commentNode, token2.location);
    }
  }
  _insertCharacters(token2) {
    let parent;
    let beforeElement;
    if (this._shouldFosterParentOnInsertion()) {
      ({parent, beforeElement} = this._findFosterParentingLocation());
      if (beforeElement) {
        this.treeAdapter.insertTextBefore(parent, token2.chars, beforeElement);
      } else {
        this.treeAdapter.insertText(parent, token2.chars);
      }
    } else {
      parent = this.openElements.currentTmplContentOrNode;
      this.treeAdapter.insertText(parent, token2.chars);
    }
    if (!token2.location)
      return;
    const siblings = this.treeAdapter.getChildNodes(parent);
    const textNodeIdx = beforeElement ? siblings.lastIndexOf(beforeElement) : siblings.length;
    const textNode = siblings[textNodeIdx - 1];
    const tnLoc = this.treeAdapter.getNodeSourceCodeLocation(textNode);
    if (tnLoc) {
      const {endLine, endCol, endOffset} = token2.location;
      this.treeAdapter.updateNodeSourceCodeLocation(textNode, {endLine, endCol, endOffset});
    } else if (this.options.sourceCodeLocationInfo) {
      this.treeAdapter.setNodeSourceCodeLocation(textNode, token2.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 = 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);
    }
  }
  shouldProcessStartTagTokenInForeignContent(token2) {
    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 (token2.tagID === TAG_ID.SVG && this.treeAdapter.getTagName(current) === TAG_NAMES.ANNOTATION_XML && this.treeAdapter.getNamespaceURI(current) === NS.MATHML) {
      return false;
    }
    return this.tokenizer.inForeignNode || (token2.tagID === TAG_ID.MGLYPH || token2.tagID === TAG_ID.MALIGNMARK) && !this._isIntegrationPoint(currentTagId, current, NS.HTML);
  }
  _processToken(token2) {
    switch (token2.type) {
      case TokenType.CHARACTER: {
        this.onCharacter(token2);
        break;
      }
      case TokenType.NULL_CHARACTER: {
        this.onNullCharacter(token2);
        break;
      }
      case TokenType.COMMENT: {
        this.onComment(token2);
        break;
      }
      case TokenType.DOCTYPE: {
        this.onDoctype(token2);
        break;
      }
      case TokenType.START_TAG: {
        this._processStartTag(token2);
        break;
      }
      case TokenType.END_TAG: {
        this.onEndTag(token2);
        break;
      }
      case TokenType.EOF: {
        this.onEof(token2);
        break;
      }
      case TokenType.WHITESPACE_CHARACTER: {
        this.onWhitespaceCharacter(token2);
        break;
      }
    }
  }
  _isIntegrationPoint(tid, element, foreignNS) {
    const ns = this.treeAdapter.getNamespaceURI(element);
    const attrs = this.treeAdapter.getAttrList(element);
    return isIntegrationPoint(tid, ns, attrs, foreignNS);
  }
  _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;
      }
    }
  }
  _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);
  }
  _resetInsertionMode() {
    for (let i = this.openElements.stackTop; i >= 0; i--) {
      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;
  }
  _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};
        }
      }
    }
    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);
    }
  }
  _isSpecialElement(element, id) {
    const ns = this.treeAdapter.getNamespaceURI(element);
    return SPECIAL_ELEMENTS[ns].has(id);
  }
  onCharacter(token2) {
    this.skipNextNewLine = false;
    if (this.tokenizer.inForeignNode) {
      characterInForeignContent(this, token2);
      return;
    }
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        tokenInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HTML:
        tokenBeforeHtml(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
        tokenBeforeHead(this, token2);
        break;
      case InsertionMode.IN_HEAD:
        tokenInHead(this, token2);
        break;
      case InsertionMode.IN_HEAD_NO_SCRIPT:
        tokenInHeadNoScript(this, token2);
        break;
      case InsertionMode.AFTER_HEAD:
        tokenAfterHead(this, token2);
        break;
      case InsertionMode.IN_BODY:
      case InsertionMode.IN_CAPTION:
      case InsertionMode.IN_CELL:
      case InsertionMode.IN_TEMPLATE:
        characterInBody(this, token2);
        break;
      case InsertionMode.TEXT:
      case InsertionMode.IN_SELECT:
      case InsertionMode.IN_SELECT_IN_TABLE:
        this._insertCharacters(token2);
        break;
      case InsertionMode.IN_TABLE:
      case InsertionMode.IN_TABLE_BODY:
      case InsertionMode.IN_ROW:
        characterInTable(this, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        characterInTableText(this, token2);
        break;
      case InsertionMode.IN_COLUMN_GROUP:
        tokenInColumnGroup(this, token2);
        break;
      case InsertionMode.AFTER_BODY:
        tokenAfterBody(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_BODY:
        tokenAfterAfterBody(this, token2);
        break;
    }
  }
  onNullCharacter(token2) {
    this.skipNextNewLine = false;
    if (this.tokenizer.inForeignNode) {
      nullCharacterInForeignContent(this, token2);
      return;
    }
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        tokenInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HTML:
        tokenBeforeHtml(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
        tokenBeforeHead(this, token2);
        break;
      case InsertionMode.IN_HEAD:
        tokenInHead(this, token2);
        break;
      case InsertionMode.IN_HEAD_NO_SCRIPT:
        tokenInHeadNoScript(this, token2);
        break;
      case InsertionMode.AFTER_HEAD:
        tokenAfterHead(this, token2);
        break;
      case InsertionMode.TEXT:
        this._insertCharacters(token2);
        break;
      case InsertionMode.IN_TABLE:
      case InsertionMode.IN_TABLE_BODY:
      case InsertionMode.IN_ROW:
        characterInTable(this, token2);
        break;
      case InsertionMode.IN_COLUMN_GROUP:
        tokenInColumnGroup(this, token2);
        break;
      case InsertionMode.AFTER_BODY:
        tokenAfterBody(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_BODY:
        tokenAfterAfterBody(this, token2);
        break;
    }
  }
  onComment(token2) {
    this.skipNextNewLine = false;
    if (this.currentNotInHTML) {
      appendComment(this, token2);
      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, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        tokenInTableText(this, token2);
        break;
      case InsertionMode.AFTER_BODY:
        appendCommentToRootHtmlElement(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_BODY:
      case InsertionMode.AFTER_AFTER_FRAMESET:
        appendCommentToDocument(this, token2);
        break;
    }
  }
  onDoctype(token2) {
    this.skipNextNewLine = false;
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        doctypeInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
      case InsertionMode.IN_HEAD:
      case InsertionMode.IN_HEAD_NO_SCRIPT:
      case InsertionMode.AFTER_HEAD:
        this._err(token2, ERR.misplacedDoctype);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        tokenInTableText(this, token2);
        break;
    }
  }
  onStartTag(token2) {
    this.skipNextNewLine = false;
    this.currentToken = token2;
    this._processStartTag(token2);
    if (token2.selfClosing && !token2.ackSelfClosing) {
      this._err(token2, ERR.nonVoidHtmlElementStartTagWithTrailingSolidus);
    }
  }
  _processStartTag(token2) {
    if (this.shouldProcessStartTagTokenInForeignContent(token2)) {
      startTagInForeignContent(this, token2);
    } else {
      this._startTagOutsideForeignContent(token2);
    }
  }
  _startTagOutsideForeignContent(token2) {
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        tokenInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HTML:
        startTagBeforeHtml(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
        startTagBeforeHead(this, token2);
        break;
      case InsertionMode.IN_HEAD:
        startTagInHead(this, token2);
        break;
      case InsertionMode.IN_HEAD_NO_SCRIPT:
        startTagInHeadNoScript(this, token2);
        break;
      case InsertionMode.AFTER_HEAD:
        startTagAfterHead(this, token2);
        break;
      case InsertionMode.IN_BODY:
        startTagInBody(this, token2);
        break;
      case InsertionMode.IN_TABLE:
        startTagInTable(this, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        tokenInTableText(this, token2);
        break;
      case InsertionMode.IN_CAPTION:
        startTagInCaption(this, token2);
        break;
      case InsertionMode.IN_COLUMN_GROUP:
        startTagInColumnGroup(this, token2);
        break;
      case InsertionMode.IN_TABLE_BODY:
        startTagInTableBody(this, token2);
        break;
      case InsertionMode.IN_ROW:
        startTagInRow(this, token2);
        break;
      case InsertionMode.IN_CELL:
        startTagInCell(this, token2);
        break;
      case InsertionMode.IN_SELECT:
        startTagInSelect(this, token2);
        break;
      case InsertionMode.IN_SELECT_IN_TABLE:
        startTagInSelectInTable(this, token2);
        break;
      case InsertionMode.IN_TEMPLATE:
        startTagInTemplate(this, token2);
        break;
      case InsertionMode.AFTER_BODY:
        startTagAfterBody(this, token2);
        break;
      case InsertionMode.IN_FRAMESET:
        startTagInFrameset(this, token2);
        break;
      case InsertionMode.AFTER_FRAMESET:
        startTagAfterFrameset(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_BODY:
        startTagAfterAfterBody(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_FRAMESET:
        startTagAfterAfterFrameset(this, token2);
        break;
    }
  }
  onEndTag(token2) {
    this.skipNextNewLine = false;
    this.currentToken = token2;
    if (this.currentNotInHTML) {
      endTagInForeignContent(this, token2);
    } else {
      this._endTagOutsideForeignContent(token2);
    }
  }
  _endTagOutsideForeignContent(token2) {
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        tokenInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HTML:
        endTagBeforeHtml(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
        endTagBeforeHead(this, token2);
        break;
      case InsertionMode.IN_HEAD:
        endTagInHead(this, token2);
        break;
      case InsertionMode.IN_HEAD_NO_SCRIPT:
        endTagInHeadNoScript(this, token2);
        break;
      case InsertionMode.AFTER_HEAD:
        endTagAfterHead(this, token2);
        break;
      case InsertionMode.IN_BODY:
        endTagInBody(this, token2);
        break;
      case InsertionMode.TEXT:
        endTagInText(this, token2);
        break;
      case InsertionMode.IN_TABLE:
        endTagInTable(this, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        tokenInTableText(this, token2);
        break;
      case InsertionMode.IN_CAPTION:
        endTagInCaption(this, token2);
        break;
      case InsertionMode.IN_COLUMN_GROUP:
        endTagInColumnGroup(this, token2);
        break;
      case InsertionMode.IN_TABLE_BODY:
        endTagInTableBody(this, token2);
        break;
      case InsertionMode.IN_ROW:
        endTagInRow(this, token2);
        break;
      case InsertionMode.IN_CELL:
        endTagInCell(this, token2);
        break;
      case InsertionMode.IN_SELECT:
        endTagInSelect(this, token2);
        break;
      case InsertionMode.IN_SELECT_IN_TABLE:
        endTagInSelectInTable(this, token2);
        break;
      case InsertionMode.IN_TEMPLATE:
        endTagInTemplate(this, token2);
        break;
      case InsertionMode.AFTER_BODY:
        endTagAfterBody(this, token2);
        break;
      case InsertionMode.IN_FRAMESET:
        endTagInFrameset(this, token2);
        break;
      case InsertionMode.AFTER_FRAMESET:
        endTagAfterFrameset(this, token2);
        break;
      case InsertionMode.AFTER_AFTER_BODY:
        tokenAfterAfterBody(this, token2);
        break;
    }
  }
  onEof(token2) {
    switch (this.insertionMode) {
      case InsertionMode.INITIAL:
        tokenInInitialMode(this, token2);
        break;
      case InsertionMode.BEFORE_HTML:
        tokenBeforeHtml(this, token2);
        break;
      case InsertionMode.BEFORE_HEAD:
        tokenBeforeHead(this, token2);
        break;
      case InsertionMode.IN_HEAD:
        tokenInHead(this, token2);
        break;
      case InsertionMode.IN_HEAD_NO_SCRIPT:
        tokenInHeadNoScript(this, token2);
        break;
      case InsertionMode.AFTER_HEAD:
        tokenAfterHead(this, token2);
        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, token2);
        break;
      case InsertionMode.TEXT:
        eofInText(this, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        tokenInTableText(this, token2);
        break;
      case InsertionMode.IN_TEMPLATE:
        eofInTemplate(this, token2);
        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, token2);
        break;
    }
  }
  onWhitespaceCharacter(token2) {
    if (this.skipNextNewLine) {
      this.skipNextNewLine = false;
      if (token2.chars.charCodeAt(0) === CODE_POINTS.LINE_FEED) {
        if (token2.chars.length === 1) {
          return;
        }
        token2.chars = token2.chars.substr(1);
      }
    }
    if (this.tokenizer.inForeignNode) {
      this._insertCharacters(token2);
      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(token2);
        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, token2);
        break;
      case InsertionMode.IN_TABLE:
      case InsertionMode.IN_TABLE_BODY:
      case InsertionMode.IN_ROW:
        characterInTable(this, token2);
        break;
      case InsertionMode.IN_TABLE_TEXT:
        whitespaceCharacterInTableText(this, token2);
        break;
    }
  }
}
function aaObtainFormattingElementEntry(p, token2) {
  let formattingElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(token2.tagName);
  if (formattingElementEntry) {
    if (!p.openElements.contains(formattingElementEntry.element)) {
      p.activeFormattingElements.removeEntry(formattingElementEntry);
      formattingElementEntry = null;
    } else if (!p.openElements.hasInScope(token2.tagID)) {
      formattingElementEntry = null;
    }
  } else {
    genericEndTagInBody(p, token2);
  }
  return formattingElementEntry;
}
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;
}
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) {
    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;
}
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;
}
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);
  }
}
function aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry) {
  const ns = p.treeAdapter.getNamespaceURI(formattingElementEntry.element);
  const {token: token2} = formattingElementEntry;
  const newElement = p.treeAdapter.createElement(token2.tagName, ns, token2.attrs);
  p._adoptNodes(furthestBlock, newElement);
  p.treeAdapter.appendChild(furthestBlock, newElement);
  p.activeFormattingElements.insertElementAfterBookmark(newElement, token2);
  p.activeFormattingElements.removeEntry(formattingElementEntry);
  p.openElements.remove(formattingElementEntry.element);
  p.openElements.insertAfter(furthestBlock, newElement, token2.tagID);
}
function callAdoptionAgency(p, token2) {
  for (let i = 0; i < AA_OUTER_LOOP_ITER; i++) {
    const formattingElementEntry = aaObtainFormattingElementEntry(p, token2);
    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);
  }
}
function appendComment(p, token2) {
  p._appendCommentNode(token2, p.openElements.currentTmplContentOrNode);
}
function appendCommentToRootHtmlElement(p, token2) {
  p._appendCommentNode(token2, p.openElements.items[0]);
}
function appendCommentToDocument(p, token2) {
  p._appendCommentNode(token2, p.document);
}
function stopParsing(p, token2) {
  p.stopped = true;
  if (token2.location) {
    const target = p.fragmentContext ? 0 : 2;
    for (let i = p.openElements.stackTop; i >= target; i--) {
      p._setEndLocation(p.openElements.items[i], token2);
    }
    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, token2);
        if (p.openElements.stackTop >= 1) {
          const bodyElement = p.openElements.items[1];
          const bodyLocation = p.treeAdapter.getNodeSourceCodeLocation(bodyElement);
          if (bodyLocation && !bodyLocation.endTag) {
            p._setEndLocation(bodyElement, token2);
          }
        }
      }
    }
  }
}
function doctypeInInitialMode(p, token2) {
  p._setDocumentType(token2);
  const mode = token2.forceQuirks ? DOCUMENT_MODE.QUIRKS : getDocumentMode(token2);
  if (!isConforming(token2)) {
    p._err(token2, ERR.nonConformingDoctype);
  }
  p.treeAdapter.setDocumentMode(p.document, mode);
  p.insertionMode = InsertionMode.BEFORE_HTML;
}
function tokenInInitialMode(p, token2) {
  p._err(token2, ERR.missingDoctype, true);
  p.treeAdapter.setDocumentMode(p.document, DOCUMENT_MODE.QUIRKS);
  p.insertionMode = InsertionMode.BEFORE_HTML;
  p._processToken(token2);
}
function startTagBeforeHtml(p, token2) {
  if (token2.tagID === TAG_ID.HTML) {
    p._insertElement(token2, NS.HTML);
    p.insertionMode = InsertionMode.BEFORE_HEAD;
  } else {
    tokenBeforeHtml(p, token2);
  }
}
function endTagBeforeHtml(p, token2) {
  const tn = token2.tagID;
  if (tn === TAG_ID.HTML || tn === TAG_ID.HEAD || tn === TAG_ID.BODY || tn === TAG_ID.BR) {
    tokenBeforeHtml(p, token2);
  }
}
function tokenBeforeHtml(p, token2) {
  p._insertFakeRootElement();
  p.insertionMode = InsertionMode.BEFORE_HEAD;
  p._processToken(token2);
}
function startTagBeforeHead(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.HEAD: {
      p._insertElement(token2, NS.HTML);
      p.headElement = p.openElements.current;
      p.insertionMode = InsertionMode.IN_HEAD;
      break;
    }
    default: {
      tokenBeforeHead(p, token2);
    }
  }
}
function endTagBeforeHead(p, token2) {
  const tn = token2.tagID;
  if (tn === TAG_ID.HEAD || tn === TAG_ID.BODY || tn === TAG_ID.HTML || tn === TAG_ID.BR) {
    tokenBeforeHead(p, token2);
  } else {
    p._err(token2, ERR.endTagWithoutMatchingOpenElement);
  }
}
function tokenBeforeHead(p, token2) {
  p._insertFakeElement(TAG_NAMES.HEAD, TAG_ID.HEAD);
  p.headElement = p.openElements.current;
  p.insertionMode = InsertionMode.IN_HEAD;
  p._processToken(token2);
}
function startTagInHead(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.BASE:
    case TAG_ID.BASEFONT:
    case TAG_ID.BGSOUND:
    case TAG_ID.LINK:
    case TAG_ID.META: {
      p._appendElement(token2, NS.HTML);
      token2.ackSelfClosing = true;
      break;
    }
    case TAG_ID.TITLE: {
      p._switchToTextParsing(token2, TokenizerMode.RCDATA);
      break;
    }
    case TAG_ID.NOSCRIPT: {
      if (p.options.scriptingEnabled) {
        p._switchToTextParsing(token2, TokenizerMode.RAWTEXT);
      } else {
        p._insertElement(token2, NS.HTML);
        p.insertionMode = InsertionMode.IN_HEAD_NO_SCRIPT;
      }
      break;
    }
    case TAG_ID.NOFRAMES:
    case TAG_ID.STYLE: {
      p._switchToTextParsing(token2, TokenizerMode.RAWTEXT);
      break;
    }
    case TAG_ID.SCRIPT: {
      p._switchToTextParsing(token2, TokenizerMode.SCRIPT_DATA);
      break;
    }
    case TAG_ID.TEMPLATE: {
      p._insertTemplate(token2);
      p.activeFormattingElements.insertMarker();
      p.framesetOk = false;
      p.insertionMode = InsertionMode.IN_TEMPLATE;
      p.tmplInsertionModeStack.unshift(InsertionMode.IN_TEMPLATE);
      break;
    }
    case TAG_ID.HEAD: {
      p._err(token2, ERR.misplacedStartTagForHeadElement);
      break;
    }
    default: {
      tokenInHead(p, token2);
    }
  }
}
function endTagInHead(p, token2) {
  switch (token2.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, token2);
      break;
    }
    case TAG_ID.TEMPLATE: {
      if (p.openElements.tmplCount > 0) {
        p.openElements.generateImpliedEndTagsThoroughly();
        if (p.openElements.currentTagId !== TAG_ID.TEMPLATE) {
          p._err(token2, ERR.closingOfElementWithOpenChildElements);
        }
        p.openElements.popUntilTagNamePopped(TAG_ID.TEMPLATE);
        p.activeFormattingElements.clearToLastMarker();
        p.tmplInsertionModeStack.shift();
        p._resetInsertionMode();
      } else {
        p._err(token2, ERR.endTagWithoutMatchingOpenElement);
      }
      break;
    }
    default: {
      p._err(token2, ERR.endTagWithoutMatchingOpenElement);
    }
  }
}
function tokenInHead(p, token2) {
  p.openElements.pop();
  p.insertionMode = InsertionMode.AFTER_HEAD;
  p._processToken(token2);
}
function startTagInHeadNoScript(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      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, token2);
      break;
    }
    case TAG_ID.NOSCRIPT: {
      p._err(token2, ERR.nestedNoscriptInHead);
      break;
    }
    default: {
      tokenInHeadNoScript(p, token2);
    }
  }
}
function endTagInHeadNoScript(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.NOSCRIPT: {
      p.openElements.pop();
      p.insertionMode = InsertionMode.IN_HEAD;
      break;
    }
    case TAG_ID.BR: {
      tokenInHeadNoScript(p, token2);
      break;
    }
    default: {
      p._err(token2, ERR.endTagWithoutMatchingOpenElement);
    }
  }
}
function tokenInHeadNoScript(p, token2) {
  const errCode = token2.type === TokenType.EOF ? ERR.openElementsLeftAfterEof : ERR.disallowedContentInNoscriptInHead;
  p._err(token2, errCode);
  p.openElements.pop();
  p.insertionMode = InsertionMode.IN_HEAD;
  p._processToken(token2);
}
function startTagAfterHead(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.BODY: {
      p._insertElement(token2, NS.HTML);
      p.framesetOk = false;
      p.insertionMode = InsertionMode.IN_BODY;
      break;
    }
    case TAG_ID.FRAMESET: {
      p._insertElement(token2, 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(token2, ERR.abandonedHeadElementChild);
      p.openElements.push(p.headElement, TAG_ID.HEAD);
      startTagInHead(p, token2);
      p.openElements.remove(p.headElement);
      break;
    }
    case TAG_ID.HEAD: {
      p._err(token2, ERR.misplacedStartTagForHeadElement);
      break;
    }
    default: {
      tokenAfterHead(p, token2);
    }
  }
}
function endTagAfterHead(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.BODY:
    case TAG_ID.HTML:
    case TAG_ID.BR: {
      tokenAfterHead(p, token2);
      break;
    }
    case TAG_ID.TEMPLATE: {
      endTagInHead(p, token2);
      break;
    }
    default: {
      p._err(token2, ERR.endTagWithoutMatchingOpenElement);
    }
  }
}
function tokenAfterHead(p, token2) {
  p._insertFakeElement(TAG_NAMES.BODY, TAG_ID.BODY);
  p.insertionMode = InsertionMode.IN_BODY;
  modeInBody(p, token2);
}
function modeInBody(p, token2) {
  switch (token2.type) {
    case TokenType.CHARACTER: {
      characterInBody(p, token2);
      break;
    }
    case TokenType.WHITESPACE_CHARACTER: {
      whitespaceCharacterInBody(p, token2);
      break;
    }
    case TokenType.COMMENT: {
      appendComment(p, token2);
      break;
    }
    case TokenType.START_TAG: {
      startTagInBody(p, token2);
      break;
    }
    case TokenType.END_TAG: {
      endTagInBody(p, token2);
      break;
    }
    case TokenType.EOF: {
      eofInBody(p, token2);
      break;
    }
  }
}
function whitespaceCharacterInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertCharacters(token2);
}
function characterInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertCharacters(token2);
  p.framesetOk = false;
}
function htmlStartTagInBody(p, token2) {
  if (p.openElements.tmplCount === 0) {
    p.treeAdapter.adoptAttributes(p.openElements.items[0], token2.attrs);
  }
}
function bodyStartTagInBody(p, token2) {
  const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
  if (bodyElement && p.openElements.tmplCount === 0) {
    p.framesetOk = false;
    p.treeAdapter.adoptAttributes(bodyElement, token2.attrs);
  }
}
function framesetStartTagInBody(p, token2) {
  const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
  if (p.framesetOk && bodyElement) {
    p.treeAdapter.detachNode(bodyElement);
    p.openElements.popAllUpToHtmlElement();
    p._insertElement(token2, NS.HTML);
    p.insertionMode = InsertionMode.IN_FRAMESET;
  }
}
function addressStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._insertElement(token2, NS.HTML);
}
function numberedHeaderStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  if (isNumberedHeader(p.openElements.currentTagId)) {
    p.openElements.pop();
  }
  p._insertElement(token2, NS.HTML);
}
function preStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._insertElement(token2, NS.HTML);
  p.skipNextNewLine = true;
  p.framesetOk = false;
}
function formStartTagInBody(p, token2) {
  const inTemplate = p.openElements.tmplCount > 0;
  if (!p.formElement || inTemplate) {
    if (p.openElements.hasInButtonScope(TAG_ID.P)) {
      p._closePElement();
    }
    p._insertElement(token2, NS.HTML);
    if (!inTemplate) {
      p.formElement = p.openElements.current;
    }
  }
}
function listItemStartTagInBody(p, token2) {
  p.framesetOk = false;
  const tn = token2.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(token2, NS.HTML);
}
function plaintextStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._insertElement(token2, NS.HTML);
  p.tokenizer.state = TokenizerMode.PLAINTEXT;
}
function buttonStartTagInBody(p, token2) {
  if (p.openElements.hasInScope(TAG_ID.BUTTON)) {
    p.openElements.generateImpliedEndTags();
    p.openElements.popUntilTagNamePopped(TAG_ID.BUTTON);
  }
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
  p.framesetOk = false;
}
function aStartTagInBody(p, token2) {
  const activeElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(TAG_NAMES.A);
  if (activeElementEntry) {
    callAdoptionAgency(p, token2);
    p.openElements.remove(activeElementEntry.element);
    p.activeFormattingElements.removeEntry(activeElementEntry);
  }
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
  p.activeFormattingElements.pushElement(p.openElements.current, token2);
}
function bStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
  p.activeFormattingElements.pushElement(p.openElements.current, token2);
}
function nobrStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  if (p.openElements.hasInScope(TAG_ID.NOBR)) {
    callAdoptionAgency(p, token2);
    p._reconstructActiveFormattingElements();
  }
  p._insertElement(token2, NS.HTML);
  p.activeFormattingElements.pushElement(p.openElements.current, token2);
}
function appletStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
  p.activeFormattingElements.insertMarker();
  p.framesetOk = false;
}
function tableStartTagInBody(p, token2) {
  if (p.treeAdapter.getDocumentMode(p.document) !== DOCUMENT_MODE.QUIRKS && p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._insertElement(token2, NS.HTML);
  p.framesetOk = false;
  p.insertionMode = InsertionMode.IN_TABLE;
}
function areaStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._appendElement(token2, NS.HTML);
  p.framesetOk = false;
  token2.ackSelfClosing = true;
}
function isHiddenInput(token2) {
  const inputType = getTokenAttr(token2, ATTRS.TYPE);
  return inputType != null && inputType.toLowerCase() === HIDDEN_INPUT_TYPE;
}
function inputStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._appendElement(token2, NS.HTML);
  if (!isHiddenInput(token2)) {
    p.framesetOk = false;
  }
  token2.ackSelfClosing = true;
}
function paramStartTagInBody(p, token2) {
  p._appendElement(token2, NS.HTML);
  token2.ackSelfClosing = true;
}
function hrStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._appendElement(token2, NS.HTML);
  p.framesetOk = false;
  token2.ackSelfClosing = true;
}
function imageStartTagInBody(p, token2) {
  token2.tagName = TAG_NAMES.IMG;
  token2.tagID = TAG_ID.IMG;
  areaStartTagInBody(p, token2);
}
function textareaStartTagInBody(p, token2) {
  p._insertElement(token2, NS.HTML);
  p.skipNextNewLine = true;
  p.tokenizer.state = TokenizerMode.RCDATA;
  p.originalInsertionMode = p.insertionMode;
  p.framesetOk = false;
  p.insertionMode = InsertionMode.TEXT;
}
function xmpStartTagInBody(p, token2) {
  if (p.openElements.hasInButtonScope(TAG_ID.P)) {
    p._closePElement();
  }
  p._reconstructActiveFormattingElements();
  p.framesetOk = false;
  p._switchToTextParsing(token2, TokenizerMode.RAWTEXT);
}
function iframeStartTagInBody(p, token2) {
  p.framesetOk = false;
  p._switchToTextParsing(token2, TokenizerMode.RAWTEXT);
}
function noembedStartTagInBody(p, token2) {
  p._switchToTextParsing(token2, TokenizerMode.RAWTEXT);
}
function selectStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, 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, token2) {
  if (p.openElements.currentTagId === TAG_ID.OPTION) {
    p.openElements.pop();
  }
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
}
function rbStartTagInBody(p, token2) {
  if (p.openElements.hasInScope(TAG_ID.RUBY)) {
    p.openElements.generateImpliedEndTags();
  }
  p._insertElement(token2, NS.HTML);
}
function rtStartTagInBody(p, token2) {
  if (p.openElements.hasInScope(TAG_ID.RUBY)) {
    p.openElements.generateImpliedEndTagsWithExclusion(TAG_ID.RTC);
  }
  p._insertElement(token2, NS.HTML);
}
function mathStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  adjustTokenMathMLAttrs(token2);
  adjustTokenXMLAttrs(token2);
  if (token2.selfClosing) {
    p._appendElement(token2, NS.MATHML);
  } else {
    p._insertElement(token2, NS.MATHML);
  }
  token2.ackSelfClosing = true;
}
function svgStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  adjustTokenSVGAttrs(token2);
  adjustTokenXMLAttrs(token2);
  if (token2.selfClosing) {
    p._appendElement(token2, NS.SVG);
  } else {
    p._insertElement(token2, NS.SVG);
  }
  token2.ackSelfClosing = true;
}
function genericStartTagInBody(p, token2) {
  p._reconstructActiveFormattingElements();
  p._insertElement(token2, NS.HTML);
}
function startTagInBody(p, token2) {
  switch (token2.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, token2);
      break;
    }
    case TAG_ID.A: {
      aStartTagInBody(p, token2);
      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, token2);
      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, token2);
      break;
    }
    case TAG_ID.LI:
    case TAG_ID.DD:
    case TAG_ID.DT: {
      listItemStartTagInBody(p, token2);
      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, token2);
      break;
    }
    case TAG_ID.HR: {
      hrStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.RB:
    case TAG_ID.RTC: {
      rbStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.RT:
    case TAG_ID.RP: {
      rtStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.PRE:
    case TAG_ID.LISTING: {
      preStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.XMP: {
      xmpStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.SVG: {
      svgStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.HTML: {
      htmlStartTagInBody(p, token2);
      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, token2);
      break;
    }
    case TAG_ID.BODY: {
      bodyStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.FORM: {
      formStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.NOBR: {
      nobrStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.MATH: {
      mathStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.TABLE: {
      tableStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.INPUT: {
      inputStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.PARAM:
    case TAG_ID.TRACK:
    case TAG_ID.SOURCE: {
      paramStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.IMAGE: {
      imageStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.BUTTON: {
      buttonStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.APPLET:
    case TAG_ID.OBJECT:
    case TAG_ID.MARQUEE: {
      appletStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.IFRAME: {
      iframeStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.SELECT: {
      selectStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.OPTION:
    case TAG_ID.OPTGROUP: {
      optgroupStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.NOEMBED: {
      noembedStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.FRAMESET: {
      framesetStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.TEXTAREA: {
      textareaStartTagInBody(p, token2);
      break;
    }
    case TAG_ID.NOSCRIPT: {
      if (p.options.scriptingEnabled) {
        noembedStartTagInBody(p, token2);
      } else {
        genericStartTagInBody(p, token2);
      }
      break;
    }
    case TAG_ID.PLAINTEXT: {
      plaintextStartTagInBody(p, token2);
      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: {
      break;
    }
    default: {
      genericStartTagInBody(p, token2);
    }
  }
}
function bodyEndTagInBody(p, token2) {
  if (p.openElements.hasInScope(TAG_ID.BODY)) {
    p.insertionMode = InsertionMode.AFTER_BODY;
    if (p.options.sourceCodeLocationInfo) {
      const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();
      if (bodyElement) {
        p._setEndLocation(bodyElement, token2);
      }
    }
  }
}
function htmlEndTagInBody(p, token2) {
  if (p.openElements.hasInScope(TAG_ID.BODY)) {
    p.insertionMode = InsertionMode.AFTER_BODY;
    endTagAfterBody(p, token2);
  }
}
function addressEndTagInBody(p, token2) {
  const tn = token2.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, token2) {
  const tn = token2.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, token2) {
  const tn = token2.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, token2) {
  const tn = token2.tagName;
  const tid = token2.tagID;
  for (let i = p.openElements.stackTop; i > 0; i--) {
    const element = p.openElements.items[i];
    const elementId = p.openElements.tagIDs[i];
    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, token2) {
  switch (token2.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, token2);
      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.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, token2);
      break;
    }
    case TAG_ID.LI: {
      liEndTagInBody(p);
      break;
    }
    case TAG_ID.DD:
    case TAG_ID.DT: {
      ddEndTagInBody(p, token2);
      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, token2);
      break;
    }
    case TAG_ID.HTML: {
      htmlEndTagInBody(p, token2);
      break;
    }
    case TAG_ID.FORM: {
      formEndTagInBody(p);
      break;
    }
    case TAG_ID.APPLET:
    case TAG_ID.OBJECT:
    case TAG_ID.MARQUEE: {
      appletEndTagInBody(p, token2);
      break;
    }
    case TAG_ID.TEMPLATE: {
      endTagInHead(p, token2);
      break;
    }
    default: {
      genericEndTagInBody(p, token2);
    }
  }
}
function eofInBody(p, token2) {
  if (p.tmplInsertionModeStack.length > 0) {
    eofInTemplate(p, token2);
  } else {
    stopParsing(p, token2);
  }
}
function endTagInText(p, token2) {
  var _a;
  if (token2.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, token2) {
  p._err(token2, ERR.eofInElementThatCanContainOnlyText);
  p.openElements.pop();
  p.insertionMode = p.originalInsertionMode;
  p.onEof(token2);
}
function characterInTable(p, token2) {
  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 (token2.type) {
      case TokenType.CHARACTER: {
        characterInTableText(p, token2);
        break;
      }
      case TokenType.WHITESPACE_CHARACTER: {
        whitespaceCharacterInTableText(p, token2);
        break;
      }
    }
  } else {
    tokenInTable(p, token2);
  }
}
function captionStartTagInTable(p, token2) {
  p.openElements.clearBackToTableContext();
  p.activeFormattingElements.insertMarker();
  p._insertElement(token2, NS.HTML);
  p.insertionMode = InsertionMode.IN_CAPTION;
}
function colgroupStartTagInTable(p, token2) {
  p.openElements.clearBackToTableContext();
  p._insertElement(token2, NS.HTML);
  p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
}
function colStartTagInTable(p, token2) {
  p.openElements.clearBackToTableContext();
  p._insertFakeElement(TAG_NAMES.COLGROUP, TAG_ID.COLGROUP);
  p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
  startTagInColumnGroup(p, token2);
}
function tbodyStartTagInTable(p, token2) {
  p.openElements.clearBackToTableContext();
  p._insertElement(token2, NS.HTML);
  p.insertionMode = InsertionMode.IN_TABLE_BODY;
}
function tdStartTagInTable(p, token2) {
  p.openElements.clearBackToTableContext();
  p._insertFakeElement(TAG_NAMES.TBODY, TAG_ID.TBODY);
  p.insertionMode = InsertionMode.IN_TABLE_BODY;
  startTagInTableBody(p, token2);
}
function tableStartTagInTable(p, token2) {
  if (p.openElements.hasInTableScope(TAG_ID.TABLE)) {
    p.openElements.popUntilTagNamePopped(TAG_ID.TABLE);
    p._resetInsertionMode();
    p._processStartTag(token2);
  }
}
function inputStartTagInTable(p, token2) {
  if (isHiddenInput(token2)) {
    p._appendElement(token2, NS.HTML);
  } else {
    tokenInTable(p, token2);
  }
  token2.ackSelfClosing = true;
}
function formStartTagInTable(p, token2) {
  if (!p.formElement && p.openElements.tmplCount === 0) {
    p._insertElement(token2, NS.HTML);
    p.formElement = p.openElements.current;
    p.openElements.pop();
  }
}
function startTagInTable(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.TD:
    case TAG_ID.TH:
    case TAG_ID.TR: {
      tdStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.STYLE:
    case TAG_ID.SCRIPT:
    case TAG_ID.TEMPLATE: {
      startTagInHead(p, token2);
      break;
    }
    case TAG_ID.COL: {
      colStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.FORM: {
      formStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.TABLE: {
      tableStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.TBODY:
    case TAG_ID.TFOOT:
    case TAG_ID.THEAD: {
      tbodyStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.INPUT: {
      inputStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.CAPTION: {
      captionStartTagInTable(p, token2);
      break;
    }
    case TAG_ID.COLGROUP: {
      colgroupStartTagInTable(p, token2);
      break;
    }
    default: {
      tokenInTable(p, token2);
    }
  }
}
function endTagInTable(p, token2) {
  switch (token2.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: {
      endTagInHead(p, token2);
      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: {
      break;
    }
    default: {
      tokenInTable(p, token2);
    }
  }
}
function tokenInTable(p, token2) {
  const savedFosterParentingState = p.fosterParentingEnabled;
  p.fosterParentingEnabled = true;
  modeInBody(p, token2);
  p.fosterParentingEnabled = savedFosterParentingState;
}
function whitespaceCharacterInTableText(p, token2) {
  p.pendingCharacterTokens.push(token2);
}
function characterInTableText(p, token2) {
  p.pendingCharacterTokens.push(token2);
  p.hasNonWhitespacePendingCharacterToken = true;
}
function tokenInTableText(p, token2) {
  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(token2);
}
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, token2) {
  const tn = token2.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, token2);
    }
  } else {
    startTagInBody(p, token2);
  }
}
function endTagInCaption(p, token2) {
  const tn = token2.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, token2);
        }
      }
      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: {
      break;
    }
    default: {
      endTagInBody(p, token2);
    }
  }
}
function startTagInColumnGroup(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.COL: {
      p._appendElement(token2, NS.HTML);
      token2.ackSelfClosing = true;
      break;
    }
    case TAG_ID.TEMPLATE: {
      startTagInHead(p, token2);
      break;
    }
    default: {
      tokenInColumnGroup(p, token2);
    }
  }
}
function endTagInColumnGroup(p, token2) {
  switch (token2.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: {
      endTagInHead(p, token2);
      break;
    }
    case TAG_ID.COL: {
      break;
    }
    default: {
      tokenInColumnGroup(p, token2);
    }
  }
}
function tokenInColumnGroup(p, token2) {
  if (p.openElements.currentTagId === TAG_ID.COLGROUP) {
    p.openElements.pop();
    p.insertionMode = InsertionMode.IN_TABLE;
    p._processToken(token2);
  }
}
function startTagInTableBody(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.TR: {
      p.openElements.clearBackToTableBodyContext();
      p._insertElement(token2, 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, token2);
      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, token2);
      }
      break;
    }
    default: {
      startTagInTable(p, token2);
    }
  }
}
function endTagInTableBody(p, token2) {
  const tn = token2.tagID;
  switch (token2.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, token2);
      }
      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: {
      break;
    }
    default: {
      endTagInTable(p, token2);
    }
  }
}
function startTagInRow(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.TH:
    case TAG_ID.TD: {
      p.openElements.clearBackToTableRowContext();
      p._insertElement(token2, 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, token2);
      }
      break;
    }
    default: {
      startTagInTable(p, token2);
    }
  }
}
function endTagInRow(p, token2) {
  switch (token2.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, token2);
      }
      break;
    }
    case TAG_ID.TBODY:
    case TAG_ID.TFOOT:
    case TAG_ID.THEAD: {
      if (p.openElements.hasInTableScope(token2.tagID) || p.openElements.hasInTableScope(TAG_ID.TR)) {
        p.openElements.clearBackToTableRowContext();
        p.openElements.pop();
        p.insertionMode = InsertionMode.IN_TABLE_BODY;
        endTagInTableBody(p, token2);
      }
      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: {
      break;
    }
    default:
      endTagInTable(p, token2);
  }
}
function startTagInCell(p, token2) {
  const tn = token2.tagID;
  if (TABLE_VOID_ELEMENTS.has(tn)) {
    if (p.openElements.hasInTableScope(TAG_ID.TD) || p.openElements.hasInTableScope(TAG_ID.TH)) {
      p._closeTableCell();
      startTagInRow(p, token2);
    }
  } else {
    startTagInBody(p, token2);
  }
}
function endTagInCell(p, token2) {
  const tn = token2.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, token2);
      }
      break;
    }
    case TAG_ID.BODY:
    case TAG_ID.CAPTION:
    case TAG_ID.COL:
    case TAG_ID.COLGROUP:
    case TAG_ID.HTML: {
      break;
    }
    default: {
      endTagInBody(p, token2);
    }
  }
}
function startTagInSelect(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.OPTION: {
      if (p.openElements.currentTagId === TAG_ID.OPTION) {
        p.openElements.pop();
      }
      p._insertElement(token2, 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(token2, 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 (token2.tagID !== TAG_ID.SELECT) {
          p._processStartTag(token2);
        }
      }
      break;
    }
    case TAG_ID.SCRIPT:
    case TAG_ID.TEMPLATE: {
      startTagInHead(p, token2);
      break;
    }
  }
}
function endTagInSelect(p, token2) {
  switch (token2.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: {
      endTagInHead(p, token2);
      break;
    }
  }
}
function startTagInSelectInTable(p, token2) {
  const tn = token2.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(token2);
  } else {
    startTagInSelect(p, token2);
  }
}
function endTagInSelectInTable(p, token2) {
  const tn = token2.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(token2);
    }
  } else {
    endTagInSelect(p, token2);
  }
}
function startTagInTemplate(p, token2) {
  switch (token2.tagID) {
    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, token2);
      break;
    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, token2);
      break;
    case TAG_ID.COL:
      p.tmplInsertionModeStack[0] = InsertionMode.IN_COLUMN_GROUP;
      p.insertionMode = InsertionMode.IN_COLUMN_GROUP;
      startTagInColumnGroup(p, token2);
      break;
    case TAG_ID.TR:
      p.tmplInsertionModeStack[0] = InsertionMode.IN_TABLE_BODY;
      p.insertionMode = InsertionMode.IN_TABLE_BODY;
      startTagInTableBody(p, token2);
      break;
    case TAG_ID.TD:
    case TAG_ID.TH:
      p.tmplInsertionModeStack[0] = InsertionMode.IN_ROW;
      p.insertionMode = InsertionMode.IN_ROW;
      startTagInRow(p, token2);
      break;
    default:
      p.tmplInsertionModeStack[0] = InsertionMode.IN_BODY;
      p.insertionMode = InsertionMode.IN_BODY;
      startTagInBody(p, token2);
  }
}
function endTagInTemplate(p, token2) {
  if (token2.tagID === TAG_ID.TEMPLATE) {
    endTagInHead(p, token2);
  }
}
function eofInTemplate(p, token2) {
  if (p.openElements.tmplCount > 0) {
    p.openElements.popUntilTagNamePopped(TAG_ID.TEMPLATE);
    p.activeFormattingElements.clearToLastMarker();
    p.tmplInsertionModeStack.shift();
    p._resetInsertionMode();
    p.onEof(token2);
  } else {
    stopParsing(p, token2);
  }
}
function startTagAfterBody(p, token2) {
  if (token2.tagID === TAG_ID.HTML) {
    startTagInBody(p, token2);
  } else {
    tokenAfterBody(p, token2);
  }
}
function endTagAfterBody(p, token2) {
  var _a;
  if (token2.tagID === TAG_ID.HTML) {
    if (!p.fragmentContext) {
      p.insertionMode = InsertionMode.AFTER_AFTER_BODY;
    }
    if (p.options.sourceCodeLocationInfo && p.openElements.tagIDs[0] === TAG_ID.HTML) {
      p._setEndLocation(p.openElements.items[0], token2);
      const bodyElement = p.openElements.items[1];
      if (bodyElement && !((_a = p.treeAdapter.getNodeSourceCodeLocation(bodyElement)) === null || _a === void 0 ? void 0 : _a.endTag)) {
        p._setEndLocation(bodyElement, token2);
      }
    }
  } else {
    tokenAfterBody(p, token2);
  }
}
function tokenAfterBody(p, token2) {
  p.insertionMode = InsertionMode.IN_BODY;
  modeInBody(p, token2);
}
function startTagInFrameset(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.FRAMESET: {
      p._insertElement(token2, NS.HTML);
      break;
    }
    case TAG_ID.FRAME: {
      p._appendElement(token2, NS.HTML);
      token2.ackSelfClosing = true;
      break;
    }
    case TAG_ID.NOFRAMES: {
      startTagInHead(p, token2);
      break;
    }
  }
}
function endTagInFrameset(p, token2) {
  if (token2.tagID === TAG_ID.FRAMESET && !p.openElements.isRootHtmlElementCurrent()) {
    p.openElements.pop();
    if (!p.fragmentContext && p.openElements.currentTagId !== TAG_ID.FRAMESET) {
      p.insertionMode = InsertionMode.AFTER_FRAMESET;
    }
  }
}
function startTagAfterFrameset(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.NOFRAMES: {
      startTagInHead(p, token2);
      break;
    }
  }
}
function endTagAfterFrameset(p, token2) {
  if (token2.tagID === TAG_ID.HTML) {
    p.insertionMode = InsertionMode.AFTER_AFTER_FRAMESET;
  }
}
function startTagAfterAfterBody(p, token2) {
  if (token2.tagID === TAG_ID.HTML) {
    startTagInBody(p, token2);
  } else {
    tokenAfterAfterBody(p, token2);
  }
}
function tokenAfterAfterBody(p, token2) {
  p.insertionMode = InsertionMode.IN_BODY;
  modeInBody(p, token2);
}
function startTagAfterAfterFrameset(p, token2) {
  switch (token2.tagID) {
    case TAG_ID.HTML: {
      startTagInBody(p, token2);
      break;
    }
    case TAG_ID.NOFRAMES: {
      startTagInHead(p, token2);
      break;
    }
  }
}
function nullCharacterInForeignContent(p, token2) {
  token2.chars = REPLACEMENT_CHARACTER;
  p._insertCharacters(token2);
}
function characterInForeignContent(p, token2) {
  p._insertCharacters(token2);
  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, token2) {
  if (causesExit(token2)) {
    popUntilHtmlOrIntegrationPoint(p);
    p._startTagOutsideForeignContent(token2);
  } else {
    const current = p._getAdjustedCurrentElement();
    const currentNs = p.treeAdapter.getNamespaceURI(current);
    if (currentNs === NS.MATHML) {
      adjustTokenMathMLAttrs(token2);
    } else if (currentNs === NS.SVG) {
      adjustTokenSVGTagName(token2);
      adjustTokenSVGAttrs(token2);
    }
    adjustTokenXMLAttrs(token2);
    if (token2.selfClosing) {
      p._appendElement(token2, currentNs);
    } else {
      p._insertElement(token2, currentNs);
    }
    token2.ackSelfClosing = true;
  }
}
function endTagInForeignContent(p, token2) {
  if (token2.tagID === TAG_ID.P || token2.tagID === TAG_ID.BR) {
    popUntilHtmlOrIntegrationPoint(p);
    p._endTagOutsideForeignContent(token2);
    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(token2);
      break;
    }
    const tagName = p.treeAdapter.getTagName(element);
    if (tagName.toLowerCase() === token2.tagName) {
      token2.tagName = tagName;
      p.openElements.shortenToLength(i);
      break;
    }
  }
}
const VOID_ELEMENTS = new Set([
  TAG_NAMES.AREA,
  TAG_NAMES.BASE,
  TAG_NAMES.BASEFONT,
  TAG_NAMES.BGSOUND,
  TAG_NAMES.BR,
  TAG_NAMES.COL,
  TAG_NAMES.EMBED,
  TAG_NAMES.FRAME,
  TAG_NAMES.HR,
  TAG_NAMES.IMG,
  TAG_NAMES.INPUT,
  TAG_NAMES.KEYGEN,
  TAG_NAMES.LINK,
  TAG_NAMES.META,
  TAG_NAMES.PARAM,
  TAG_NAMES.SOURCE,
  TAG_NAMES.TRACK,
  TAG_NAMES.WBR
]);
function isVoidElement(node, options) {
  return options.treeAdapter.isElementNode(node) && options.treeAdapter.getNamespaceURI(node) === NS.HTML && VOID_ELEMENTS.has(options.treeAdapter.getTagName(node));
}
const defaultOpts = {treeAdapter: defaultTreeAdapter, scriptingEnabled: true};
function serialize(node, options) {
  const opts = {...defaultOpts, ...options};
  if (isVoidElement(node, opts)) {
    return "";
  }
  return serializeChildNodes(node, opts);
}
function serializeOuter(node, options) {
  const opts = {...defaultOpts, ...options};
  return serializeNode(node, opts);
}
function serializeChildNodes(parentNode, options) {
  let html2 = "";
  const container = options.treeAdapter.isElementNode(parentNode) && options.treeAdapter.getTagName(parentNode) === TAG_NAMES.TEMPLATE && options.treeAdapter.getNamespaceURI(parentNode) === NS.HTML ? options.treeAdapter.getTemplateContent(parentNode) : parentNode;
  const childNodes = options.treeAdapter.getChildNodes(container);
  if (childNodes) {
    for (const currentNode of childNodes) {
      html2 += serializeNode(currentNode, options);
    }
  }
  return html2;
}
function serializeNode(node, options) {
  if (options.treeAdapter.isElementNode(node)) {
    return serializeElement(node, options);
  }
  if (options.treeAdapter.isTextNode(node)) {
    return serializeTextNode(node, options);
  }
  if (options.treeAdapter.isCommentNode(node)) {
    return serializeCommentNode(node, options);
  }
  if (options.treeAdapter.isDocumentTypeNode(node)) {
    return serializeDocumentTypeNode(node, options);
  }
  return "";
}
function serializeElement(node, options) {
  const tn = options.treeAdapter.getTagName(node);
  return `<${tn}${serializeAttributes(node, options)}>${isVoidElement(node, options) ? "" : `${serializeChildNodes(node, options)}</${tn}>`}`;
}
function serializeAttributes(node, {treeAdapter}) {
  let html2 = "";
  for (const attr of treeAdapter.getAttrList(node)) {
    html2 += " ";
    if (!attr.namespace) {
      html2 += attr.name;
    } else
      switch (attr.namespace) {
        case NS.XML: {
          html2 += `xml:${attr.name}`;
          break;
        }
        case NS.XMLNS: {
          if (attr.name !== "xmlns") {
            html2 += "xmlns:";
          }
          html2 += attr.name;
          break;
        }
        case NS.XLINK: {
          html2 += `xlink:${attr.name}`;
          break;
        }
        default: {
          html2 += `${attr.prefix}:${attr.name}`;
        }
      }
    html2 += `="${escapeAttribute(attr.value)}"`;
  }
  return html2;
}
function serializeTextNode(node, options) {
  const {treeAdapter} = options;
  const content = treeAdapter.getTextNodeContent(node);
  const parent = treeAdapter.getParentNode(node);
  const parentTn = parent && treeAdapter.isElementNode(parent) && treeAdapter.getTagName(parent);
  return parentTn && treeAdapter.getNamespaceURI(parent) === NS.HTML && hasUnescapedText(parentTn, options.scriptingEnabled) ? content : escapeText(content);
}
function serializeCommentNode(node, {treeAdapter}) {
  return `<!--${treeAdapter.getCommentNodeContent(node)}-->`;
}
function serializeDocumentTypeNode(node, {treeAdapter}) {
  return `<!DOCTYPE ${treeAdapter.getDocumentTypeNodeName(node)}>`;
}
function parse(html2, options) {
  return Parser.parse(html2, options);
}
function parseFragment(fragmentContext, html2, options) {
  if (typeof fragmentContext === "string") {
    options = html2;
    html2 = fragmentContext;
    fragmentContext = null;
  }
  const parser = Parser.getFragmentParser(fragmentContext, options);
  parser.tokenizer.write(html2, true);
  return parser.getFragment();
}
export {Parser, token as Token, Tokenizer, TokenizerMode, defaultTreeAdapter, foreignContent, html, parse, parseFragment, serialize, serializeOuter};
export default null;

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