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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var decode_codepoint_1 = __importDefault(require("entities/lib/decode_codepoint"));
var entities_json_1 = __importDefault(require("entities/lib/maps/entities.json"));
var legacy_json_1 = __importDefault(require("entities/lib/maps/legacy.json"));
var xml_json_1 = __importDefault(require("entities/lib/maps/xml.json"));
function whitespace(c) {
    return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
}
function isASCIIAlpha(c) {
    return (c >= "a" && c <= "z") || (c >= "A" && c <= "Z");
}
function ifElseState(upper, SUCCESS, FAILURE) {
    var lower = upper.toLowerCase();
    if (upper === lower) {
        return function (t, c) {
            if (c === lower) {
                t._state = SUCCESS;
            }
            else {
                t._state = FAILURE;
                t._index--;
            }
        };
    }
    return function (t, c) {
        if (c === lower || c === upper) {
            t._state = SUCCESS;
        }
        else {
            t._state = FAILURE;
            t._index--;
        }
    };
}
function consumeSpecialNameChar(upper, NEXT_STATE) {
    var lower = upper.toLowerCase();
    return function (t, c) {
        if (c === lower || c === upper) {
            t._state = NEXT_STATE;
        }
        else {
            t._state = 3 /* InTagName */;
            t._index--; // Consume the token again
        }
    };
}
var stateBeforeCdata1 = ifElseState("C", 24 /* BeforeCdata2 */, 16 /* InDeclaration */);
var stateBeforeCdata2 = ifElseState("D", 25 /* BeforeCdata3 */, 16 /* InDeclaration */);
var stateBeforeCdata3 = ifElseState("A", 26 /* BeforeCdata4 */, 16 /* InDeclaration */);
var stateBeforeCdata4 = ifElseState("T", 27 /* BeforeCdata5 */, 16 /* InDeclaration */);
var stateBeforeCdata5 = ifElseState("A", 28 /* BeforeCdata6 */, 16 /* InDeclaration */);
var stateBeforeScript1 = consumeSpecialNameChar("R", 35 /* BeforeScript2 */);
var stateBeforeScript2 = consumeSpecialNameChar("I", 36 /* BeforeScript3 */);
var stateBeforeScript3 = consumeSpecialNameChar("P", 37 /* BeforeScript4 */);
var stateBeforeScript4 = consumeSpecialNameChar("T", 38 /* BeforeScript5 */);
var stateAfterScript1 = ifElseState("R", 40 /* AfterScript2 */, 1 /* Text */);
var stateAfterScript2 = ifElseState("I", 41 /* AfterScript3 */, 1 /* Text */);
var stateAfterScript3 = ifElseState("P", 42 /* AfterScript4 */, 1 /* Text */);
var stateAfterScript4 = ifElseState("T", 43 /* AfterScript5 */, 1 /* Text */);
var stateBeforeStyle1 = consumeSpecialNameChar("Y", 45 /* BeforeStyle2 */);
var stateBeforeStyle2 = consumeSpecialNameChar("L", 46 /* BeforeStyle3 */);
var stateBeforeStyle3 = consumeSpecialNameChar("E", 47 /* BeforeStyle4 */);
var stateAfterStyle1 = ifElseState("Y", 49 /* AfterStyle2 */, 1 /* Text */);
var stateAfterStyle2 = ifElseState("L", 50 /* AfterStyle3 */, 1 /* Text */);
var stateAfterStyle3 = ifElseState("E", 51 /* AfterStyle4 */, 1 /* Text */);
var stateBeforeSpecialT = consumeSpecialNameChar("I", 54 /* BeforeTitle1 */);
var stateBeforeTitle1 = consumeSpecialNameChar("T", 55 /* BeforeTitle2 */);
var stateBeforeTitle2 = consumeSpecialNameChar("L", 56 /* BeforeTitle3 */);
var stateBeforeTitle3 = consumeSpecialNameChar("E", 57 /* BeforeTitle4 */);
var stateAfterSpecialTEnd = ifElseState("I", 58 /* AfterTitle1 */, 1 /* Text */);
var stateAfterTitle1 = ifElseState("T", 59 /* AfterTitle2 */, 1 /* Text */);
var stateAfterTitle2 = ifElseState("L", 60 /* AfterTitle3 */, 1 /* Text */);
var stateAfterTitle3 = ifElseState("E", 61 /* AfterTitle4 */, 1 /* Text */);
var stateBeforeEntity = ifElseState("#", 63 /* BeforeNumericEntity */, 64 /* InNamedEntity */);
var stateBeforeNumericEntity = ifElseState("X", 66 /* InHexEntity */, 65 /* InNumericEntity */);
var Tokenizer = /** @class */ (function () {
    function Tokenizer(options, cbs) {
        var _a;
        /** The current state the tokenizer is in. */
        this._state = 1 /* Text */;
        /** The read buffer. */
        this.buffer = "";
        /** The beginning of the section that is currently being read. */
        this.sectionStart = 0;
        /** The index within the buffer that we are currently looking at. */
        this._index = 0;
        /**
         * Data that has already been processed will be removed from the buffer occasionally.
         * `_bufferOffset` keeps track of how many characters have been removed, to make sure position information is accurate.
         */
        this.bufferOffset = 0;
        /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
        this.baseState = 1 /* Text */;
        /** For special parsing behavior inside of script and style tags. */
        this.special = 1 /* None */;
        /** Indicates whether the tokenizer has been paused. */
        this.running = true;
        /** Indicates whether the tokenizer has finished running / `.end` has been called. */
        this.ended = false;
        this.cbs = cbs;
        this.xmlMode = !!(options === null || options === void 0 ? void 0 : options.xmlMode);
        this.decodeEntities = (_a = options === null || options === void 0 ? void 0 : options.decodeEntities) !== null && _a !== void 0 ? _a : true;
    }
    Tokenizer.prototype.reset = function () {
        this._state = 1 /* Text */;
        this.buffer = "";
        this.sectionStart = 0;
        this._index = 0;
        this.bufferOffset = 0;
        this.baseState = 1 /* Text */;
        this.special = 1 /* None */;
        this.running = true;
        this.ended = false;
    };
    Tokenizer.prototype.write = function (chunk) {
        if (this.ended)
            this.cbs.onerror(Error(".write() after done!"));
        this.buffer += chunk;
        this.parse();
    };
    Tokenizer.prototype.end = function (chunk) {
        if (this.ended)
            this.cbs.onerror(Error(".end() after done!"));
        if (chunk)
            this.write(chunk);
        this.ended = true;
        if (this.running)
            this.finish();
    };
    Tokenizer.prototype.pause = function () {
        this.running = false;
    };
    Tokenizer.prototype.resume = function () {
        this.running = true;
        if (this._index < this.buffer.length) {
            this.parse();
        }
        if (this.ended) {
            this.finish();
        }
    };
    /**
     * The current index within all of the written data.
     */
    Tokenizer.prototype.getAbsoluteIndex = function () {
        return this.bufferOffset + this._index;
    };
    Tokenizer.prototype.stateText = function (c) {
        if (c === "<") {
            if (this._index > this.sectionStart) {
                this.cbs.ontext(this.getSection());
            }
            this._state = 2 /* BeforeTagName */;
            this.sectionStart = this._index;
        }
        else if (this.decodeEntities &&
            c === "&" &&
            (this.special === 1 /* None */ || this.special === 4 /* Title */)) {
            if (this._index > this.sectionStart) {
                this.cbs.ontext(this.getSection());
            }
            this.baseState = 1 /* Text */;
            this._state = 62 /* BeforeEntity */;
            this.sectionStart = this._index;
        }
    };
    /**
     * HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name.
     *
     * XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar).
     * We allow anything that wouldn't end the tag.
     */
    Tokenizer.prototype.isTagStartChar = function (c) {
        return (isASCIIAlpha(c) ||
            (this.xmlMode && !whitespace(c) && c !== "/" && c !== ">"));
    };
    Tokenizer.prototype.stateBeforeTagName = function (c) {
        if (c === "/") {
            this._state = 5 /* BeforeClosingTagName */;
        }
        else if (c === "<") {
            this.cbs.ontext(this.getSection());
            this.sectionStart = this._index;
        }
        else if (c === ">" ||
            this.special !== 1 /* None */ ||
            whitespace(c)) {
            this._state = 1 /* Text */;
        }
        else if (c === "!") {
            this._state = 15 /* BeforeDeclaration */;
            this.sectionStart = this._index + 1;
        }
        else if (c === "?") {
            this._state = 17 /* InProcessingInstruction */;
            this.sectionStart = this._index + 1;
        }
        else if (!this.isTagStartChar(c)) {
            this._state = 1 /* Text */;
        }
        else {
            this._state =
                !this.xmlMode && (c === "s" || c === "S")
                    ? 32 /* BeforeSpecialS */
                    : !this.xmlMode && (c === "t" || c === "T")
                        ? 52 /* BeforeSpecialT */
                        : 3 /* InTagName */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateInTagName = function (c) {
        if (c === "/" || c === ">" || whitespace(c)) {
            this.emitToken("onopentagname");
            this._state = 8 /* BeforeAttributeName */;
            this._index--;
        }
    };
    Tokenizer.prototype.stateBeforeClosingTagName = function (c) {
        if (whitespace(c)) {
            // Ignore
        }
        else if (c === ">") {
            this._state = 1 /* Text */;
        }
        else if (this.special !== 1 /* None */) {
            if (this.special !== 4 /* Title */ && (c === "s" || c === "S")) {
                this._state = 33 /* BeforeSpecialSEnd */;
            }
            else if (this.special === 4 /* Title */ &&
                (c === "t" || c === "T")) {
                this._state = 53 /* BeforeSpecialTEnd */;
            }
            else {
                this._state = 1 /* Text */;
                this._index--;
            }
        }
        else if (!this.isTagStartChar(c)) {
            this._state = 20 /* InSpecialComment */;
            this.sectionStart = this._index;
        }
        else {
            this._state = 6 /* InClosingTagName */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateInClosingTagName = function (c) {
        if (c === ">" || whitespace(c)) {
            this.emitToken("onclosetag");
            this._state = 7 /* AfterClosingTagName */;
            this._index--;
        }
    };
    Tokenizer.prototype.stateAfterClosingTagName = function (c) {
        // Skip everything until ">"
        if (c === ">") {
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
    };
    Tokenizer.prototype.stateBeforeAttributeName = function (c) {
        if (c === ">") {
            this.cbs.onopentagend();
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
        else if (c === "/") {
            this._state = 4 /* InSelfClosingTag */;
        }
        else if (!whitespace(c)) {
            this._state = 9 /* InAttributeName */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateInSelfClosingTag = function (c) {
        if (c === ">") {
            this.cbs.onselfclosingtag();
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
            this.special = 1 /* None */; // Reset special state, in case of self-closing special tags
        }
        else if (!whitespace(c)) {
            this._state = 8 /* BeforeAttributeName */;
            this._index--;
        }
    };
    Tokenizer.prototype.stateInAttributeName = function (c) {
        if (c === "=" || c === "/" || c === ">" || whitespace(c)) {
            this.cbs.onattribname(this.getSection());
            this.sectionStart = -1;
            this._state = 10 /* AfterAttributeName */;
            this._index--;
        }
    };
    Tokenizer.prototype.stateAfterAttributeName = function (c) {
        if (c === "=") {
            this._state = 11 /* BeforeAttributeValue */;
        }
        else if (c === "/" || c === ">") {
            this.cbs.onattribend(undefined);
            this._state = 8 /* BeforeAttributeName */;
            this._index--;
        }
        else if (!whitespace(c)) {
            this.cbs.onattribend(undefined);
            this._state = 9 /* InAttributeName */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateBeforeAttributeValue = function (c) {
        if (c === '"') {
            this._state = 12 /* InAttributeValueDq */;
            this.sectionStart = this._index + 1;
        }
        else if (c === "'") {
            this._state = 13 /* InAttributeValueSq */;
            this.sectionStart = this._index + 1;
        }
        else if (!whitespace(c)) {
            this._state = 14 /* InAttributeValueNq */;
            this.sectionStart = this._index;
            this._index--; // Reconsume token
        }
    };
    Tokenizer.prototype.handleInAttributeValue = function (c, quote) {
        if (c === quote) {
            this.emitToken("onattribdata");
            this.cbs.onattribend(quote);
            this._state = 8 /* BeforeAttributeName */;
        }
        else if (this.decodeEntities && c === "&") {
            this.emitToken("onattribdata");
            this.baseState = this._state;
            this._state = 62 /* BeforeEntity */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateInAttributeValueDoubleQuotes = function (c) {
        this.handleInAttributeValue(c, '"');
    };
    Tokenizer.prototype.stateInAttributeValueSingleQuotes = function (c) {
        this.handleInAttributeValue(c, "'");
    };
    Tokenizer.prototype.stateInAttributeValueNoQuotes = function (c) {
        if (whitespace(c) || c === ">") {
            this.emitToken("onattribdata");
            this.cbs.onattribend(null);
            this._state = 8 /* BeforeAttributeName */;
            this._index--;
        }
        else if (this.decodeEntities && c === "&") {
            this.emitToken("onattribdata");
            this.baseState = this._state;
            this._state = 62 /* BeforeEntity */;
            this.sectionStart = this._index;
        }
    };
    Tokenizer.prototype.stateBeforeDeclaration = function (c) {
        this._state =
            c === "["
                ? 23 /* BeforeCdata1 */
                : c === "-"
                    ? 18 /* BeforeComment */
                    : 16 /* InDeclaration */;
    };
    Tokenizer.prototype.stateInDeclaration = function (c) {
        if (c === ">") {
            this.cbs.ondeclaration(this.getSection());
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
    };
    Tokenizer.prototype.stateInProcessingInstruction = function (c) {
        if (c === ">") {
            this.cbs.onprocessinginstruction(this.getSection());
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
    };
    Tokenizer.prototype.stateBeforeComment = function (c) {
        if (c === "-") {
            this._state = 19 /* InComment */;
            this.sectionStart = this._index + 1;
        }
        else {
            this._state = 16 /* InDeclaration */;
        }
    };
    Tokenizer.prototype.stateInComment = function (c) {
        if (c === "-")
            this._state = 21 /* AfterComment1 */;
    };
    Tokenizer.prototype.stateInSpecialComment = function (c) {
        if (c === ">") {
            this.cbs.oncomment(this.buffer.substring(this.sectionStart, this._index));
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
    };
    Tokenizer.prototype.stateAfterComment1 = function (c) {
        if (c === "-") {
            this._state = 22 /* AfterComment2 */;
        }
        else {
            this._state = 19 /* InComment */;
        }
    };
    Tokenizer.prototype.stateAfterComment2 = function (c) {
        if (c === ">") {
            // Remove 2 trailing chars
            this.cbs.oncomment(this.buffer.substring(this.sectionStart, this._index - 2));
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
        else if (c !== "-") {
            this._state = 19 /* InComment */;
        }
        // Else: stay in AFTER_COMMENT_2 (`--->`)
    };
    Tokenizer.prototype.stateBeforeCdata6 = function (c) {
        if (c === "[") {
            this._state = 29 /* InCdata */;
            this.sectionStart = this._index + 1;
        }
        else {
            this._state = 16 /* InDeclaration */;
            this._index--;
        }
    };
    Tokenizer.prototype.stateInCdata = function (c) {
        if (c === "]")
            this._state = 30 /* AfterCdata1 */;
    };
    Tokenizer.prototype.stateAfterCdata1 = function (c) {
        if (c === "]")
            this._state = 31 /* AfterCdata2 */;
        else
            this._state = 29 /* InCdata */;
    };
    Tokenizer.prototype.stateAfterCdata2 = function (c) {
        if (c === ">") {
            // Remove 2 trailing chars
            this.cbs.oncdata(this.buffer.substring(this.sectionStart, this._index - 2));
            this._state = 1 /* Text */;
            this.sectionStart = this._index + 1;
        }
        else if (c !== "]") {
            this._state = 29 /* InCdata */;
        }
        // Else: stay in AFTER_CDATA_2 (`]]]>`)
    };
    Tokenizer.prototype.stateBeforeSpecialS = function (c) {
        if (c === "c" || c === "C") {
            this._state = 34 /* BeforeScript1 */;
        }
        else if (c === "t" || c === "T") {
            this._state = 44 /* BeforeStyle1 */;
        }
        else {
            this._state = 3 /* InTagName */;
            this._index--; // Consume the token again
        }
    };
    Tokenizer.prototype.stateBeforeSpecialSEnd = function (c) {
        if (this.special === 2 /* Script */ && (c === "c" || c === "C")) {
            this._state = 39 /* AfterScript1 */;
        }
        else if (this.special === 3 /* Style */ && (c === "t" || c === "T")) {
            this._state = 48 /* AfterStyle1 */;
        }
        else
            this._state = 1 /* Text */;
    };
    Tokenizer.prototype.stateBeforeSpecialLast = function (c, special) {
        if (c === "/" || c === ">" || whitespace(c)) {
            this.special = special;
        }
        this._state = 3 /* InTagName */;
        this._index--; // Consume the token again
    };
    Tokenizer.prototype.stateAfterSpecialLast = function (c, sectionStartOffset) {
        if (c === ">" || whitespace(c)) {
            this.special = 1 /* None */;
            this._state = 6 /* InClosingTagName */;
            this.sectionStart = this._index - sectionStartOffset;
            this._index--; // Reconsume the token
        }
        else
            this._state = 1 /* Text */;
    };
    // For entities terminated with a semicolon
    Tokenizer.prototype.parseFixedEntity = function (map) {
        if (map === void 0) { map = this.xmlMode ? xml_json_1.default : entities_json_1.default; }
        // Offset = 1
        if (this.sectionStart + 1 < this._index) {
            var entity = this.buffer.substring(this.sectionStart + 1, this._index);
            if (Object.prototype.hasOwnProperty.call(map, entity)) {
                this.emitPartial(map[entity]);
                this.sectionStart = this._index + 1;
            }
        }
    };
    // Parses legacy entities (without trailing semicolon)
    Tokenizer.prototype.parseLegacyEntity = function () {
        var start = this.sectionStart + 1;
        // The max length of legacy entities is 6
        var limit = Math.min(this._index - start, 6);
        while (limit >= 2) {
            // The min length of legacy entities is 2
            var entity = this.buffer.substr(start, limit);
            if (Object.prototype.hasOwnProperty.call(legacy_json_1.default, entity)) {
                this.emitPartial(legacy_json_1.default[entity]);
                this.sectionStart += limit + 1;
                return;
            }
            limit--;
        }
    };
    Tokenizer.prototype.stateInNamedEntity = function (c) {
        if (c === ";") {
            this.parseFixedEntity();
            // Retry as legacy entity if entity wasn't parsed
            if (this.baseState === 1 /* Text */ &&
                this.sectionStart + 1 < this._index &&
                !this.xmlMode) {
                this.parseLegacyEntity();
            }
            this._state = this.baseState;
        }
        else if ((c < "0" || c > "9") && !isASCIIAlpha(c)) {
            if (this.xmlMode || this.sectionStart + 1 === this._index) {
                // Ignore
            }
            else if (this.baseState !== 1 /* Text */) {
                if (c !== "=") {
                    // Parse as legacy entity, without allowing additional characters.
                    this.parseFixedEntity(legacy_json_1.default);
                }
            }
            else {
                this.parseLegacyEntity();
            }
            this._state = this.baseState;
            this._index--;
        }
    };
    Tokenizer.prototype.decodeNumericEntity = function (offset, base, strict) {
        var sectionStart = this.sectionStart + offset;
        if (sectionStart !== this._index) {
            // Parse entity
            var entity = this.buffer.substring(sectionStart, this._index);
            var parsed = parseInt(entity, base);
            this.emitPartial(decode_codepoint_1.default(parsed));
            this.sectionStart = strict ? this._index + 1 : this._index;
        }
        this._state = this.baseState;
    };
    Tokenizer.prototype.stateInNumericEntity = function (c) {
        if (c === ";") {
            this.decodeNumericEntity(2, 10, true);
        }
        else if (c < "0" || c > "9") {
            if (!this.xmlMode) {
                this.decodeNumericEntity(2, 10, false);
            }
            else {
                this._state = this.baseState;
            }
            this._index--;
        }
    };
    Tokenizer.prototype.stateInHexEntity = function (c) {
        if (c === ";") {
            this.decodeNumericEntity(3, 16, true);
        }
        else if ((c < "a" || c > "f") &&
            (c < "A" || c > "F") &&
            (c < "0" || c > "9")) {
            if (!this.xmlMode) {
                this.decodeNumericEntity(3, 16, false);
            }
            else {
                this._state = this.baseState;
            }
            this._index--;
        }
    };
    Tokenizer.prototype.cleanup = function () {
        if (this.sectionStart < 0) {
            this.buffer = "";
            this.bufferOffset += this._index;
            this._index = 0;
        }
        else if (this.running) {
            if (this._state === 1 /* Text */) {
                if (this.sectionStart !== this._index) {
                    this.cbs.ontext(this.buffer.substr(this.sectionStart));
                }
                this.buffer = "";
                this.bufferOffset += this._index;
                this._index = 0;
            }
            else if (this.sectionStart === this._index) {
                // The section just started
                this.buffer = "";
                this.bufferOffset += this._index;
                this._index = 0;
            }
            else {
                // Remove everything unnecessary
                this.buffer = this.buffer.substr(this.sectionStart);
                this._index -= this.sectionStart;
                this.bufferOffset += this.sectionStart;
            }
            this.sectionStart = 0;
        }
    };
    /**
     * Iterates through the buffer, calling the function corresponding to the current state.
     *
     * States that are more likely to be hit are higher up, as a performance improvement.
     */
    Tokenizer.prototype.parse = function () {
        while (this._index < this.buffer.length && this.running) {
            var c = this.buffer.charAt(this._index);
            if (this._state === 1 /* Text */) {
                this.stateText(c);
            }
            else if (this._state === 12 /* InAttributeValueDq */) {
                this.stateInAttributeValueDoubleQuotes(c);
            }
            else if (this._state === 9 /* InAttributeName */) {
                this.stateInAttributeName(c);
            }
            else if (this._state === 19 /* InComment */) {
                this.stateInComment(c);
            }
            else if (this._state === 20 /* InSpecialComment */) {
                this.stateInSpecialComment(c);
            }
            else if (this._state === 8 /* BeforeAttributeName */) {
                this.stateBeforeAttributeName(c);
            }
            else if (this._state === 3 /* InTagName */) {
                this.stateInTagName(c);
            }
            else if (this._state === 6 /* InClosingTagName */) {
                this.stateInClosingTagName(c);
            }
            else if (this._state === 2 /* BeforeTagName */) {
                this.stateBeforeTagName(c);
            }
            else if (this._state === 10 /* AfterAttributeName */) {
                this.stateAfterAttributeName(c);
            }
            else if (this._state === 13 /* InAttributeValueSq */) {
                this.stateInAttributeValueSingleQuotes(c);
            }
            else if (this._state === 11 /* BeforeAttributeValue */) {
                this.stateBeforeAttributeValue(c);
            }
            else if (this._state === 5 /* BeforeClosingTagName */) {
                this.stateBeforeClosingTagName(c);
            }
            else if (this._state === 7 /* AfterClosingTagName */) {
                this.stateAfterClosingTagName(c);
            }
            else if (this._state === 32 /* BeforeSpecialS */) {
                this.stateBeforeSpecialS(c);
            }
            else if (this._state === 21 /* AfterComment1 */) {
                this.stateAfterComment1(c);
            }
            else if (this._state === 14 /* InAttributeValueNq */) {
                this.stateInAttributeValueNoQuotes(c);
            }
            else if (this._state === 4 /* InSelfClosingTag */) {
                this.stateInSelfClosingTag(c);
            }
            else if (this._state === 16 /* InDeclaration */) {
                this.stateInDeclaration(c);
            }
            else if (this._state === 15 /* BeforeDeclaration */) {
                this.stateBeforeDeclaration(c);
            }
            else if (this._state === 22 /* AfterComment2 */) {
                this.stateAfterComment2(c);
            }
            else if (this._state === 18 /* BeforeComment */) {
                this.stateBeforeComment(c);
            }
            else if (this._state === 33 /* BeforeSpecialSEnd */) {
                this.stateBeforeSpecialSEnd(c);
            }
            else if (this._state === 53 /* BeforeSpecialTEnd */) {
                stateAfterSpecialTEnd(this, c);
            }
            else if (this._state === 39 /* AfterScript1 */) {
                stateAfterScript1(this, c);
            }
            else if (this._state === 40 /* AfterScript2 */) {
                stateAfterScript2(this, c);
            }
            else if (this._state === 41 /* AfterScript3 */) {
                stateAfterScript3(this, c);
            }
            else if (this._state === 34 /* BeforeScript1 */) {
                stateBeforeScript1(this, c);
            }
            else if (this._state === 35 /* BeforeScript2 */) {
                stateBeforeScript2(this, c);
            }
            else if (this._state === 36 /* BeforeScript3 */) {
                stateBeforeScript3(this, c);
            }
            else if (this._state === 37 /* BeforeScript4 */) {
                stateBeforeScript4(this, c);
            }
            else if (this._state === 38 /* BeforeScript5 */) {
                this.stateBeforeSpecialLast(c, 2 /* Script */);
            }
            else if (this._state === 42 /* AfterScript4 */) {
                stateAfterScript4(this, c);
            }
            else if (this._state === 43 /* AfterScript5 */) {
                this.stateAfterSpecialLast(c, 6);
            }
            else if (this._state === 44 /* BeforeStyle1 */) {
                stateBeforeStyle1(this, c);
            }
            else if (this._state === 29 /* InCdata */) {
                this.stateInCdata(c);
            }
            else if (this._state === 45 /* BeforeStyle2 */) {
                stateBeforeStyle2(this, c);
            }
            else if (this._state === 46 /* BeforeStyle3 */) {
                stateBeforeStyle3(this, c);
            }
            else if (this._state === 47 /* BeforeStyle4 */) {
                this.stateBeforeSpecialLast(c, 3 /* Style */);
            }
            else if (this._state === 48 /* AfterStyle1 */) {
                stateAfterStyle1(this, c);
            }
            else if (this._state === 49 /* AfterStyle2 */) {
                stateAfterStyle2(this, c);
            }
            else if (this._state === 50 /* AfterStyle3 */) {
                stateAfterStyle3(this, c);
            }
            else if (this._state === 51 /* AfterStyle4 */) {
                this.stateAfterSpecialLast(c, 5);
            }
            else if (this._state === 52 /* BeforeSpecialT */) {
                stateBeforeSpecialT(this, c);
            }
            else if (this._state === 54 /* BeforeTitle1 */) {
                stateBeforeTitle1(this, c);
            }
            else if (this._state === 55 /* BeforeTitle2 */) {
                stateBeforeTitle2(this, c);
            }
            else if (this._state === 56 /* BeforeTitle3 */) {
                stateBeforeTitle3(this, c);
            }
            else if (this._state === 57 /* BeforeTitle4 */) {
                this.stateBeforeSpecialLast(c, 4 /* Title */);
            }
            else if (this._state === 58 /* AfterTitle1 */) {
                stateAfterTitle1(this, c);
            }
            else if (this._state === 59 /* AfterTitle2 */) {
                stateAfterTitle2(this, c);
            }
            else if (this._state === 60 /* AfterTitle3 */) {
                stateAfterTitle3(this, c);
            }
            else if (this._state === 61 /* AfterTitle4 */) {
                this.stateAfterSpecialLast(c, 5);
            }
            else if (this._state === 17 /* InProcessingInstruction */) {
                this.stateInProcessingInstruction(c);
            }
            else if (this._state === 64 /* InNamedEntity */) {
                this.stateInNamedEntity(c);
            }
            else if (this._state === 23 /* BeforeCdata1 */) {
                stateBeforeCdata1(this, c);
            }
            else if (this._state === 62 /* BeforeEntity */) {
                stateBeforeEntity(this, c);
            }
            else if (this._state === 24 /* BeforeCdata2 */) {
                stateBeforeCdata2(this, c);
            }
            else if (this._state === 25 /* BeforeCdata3 */) {
                stateBeforeCdata3(this, c);
            }
            else if (this._state === 30 /* AfterCdata1 */) {
                this.stateAfterCdata1(c);
            }
            else if (this._state === 31 /* AfterCdata2 */) {
                this.stateAfterCdata2(c);
            }
            else if (this._state === 26 /* BeforeCdata4 */) {
                stateBeforeCdata4(this, c);
            }
            else if (this._state === 27 /* BeforeCdata5 */) {
                stateBeforeCdata5(this, c);
            }
            else if (this._state === 28 /* BeforeCdata6 */) {
                this.stateBeforeCdata6(c);
            }
            else if (this._state === 66 /* InHexEntity */) {
                this.stateInHexEntity(c);
            }
            else if (this._state === 65 /* InNumericEntity */) {
                this.stateInNumericEntity(c);
                // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
            }
            else if (this._state === 63 /* BeforeNumericEntity */) {
                stateBeforeNumericEntity(this, c);
            }
            else {
                this.cbs.onerror(Error("unknown _state"), this._state);
            }
            this._index++;
        }
        this.cleanup();
    };
    Tokenizer.prototype.finish = function () {
        // If there is remaining data, emit it in a reasonable way
        if (this.sectionStart < this._index) {
            this.handleTrailingData();
        }
        this.cbs.onend();
    };
    Tokenizer.prototype.handleTrailingData = function () {
        var data = this.buffer.substr(this.sectionStart);
        if (this._state === 29 /* InCdata */ ||
            this._state === 30 /* AfterCdata1 */ ||
            this._state === 31 /* AfterCdata2 */) {
            this.cbs.oncdata(data);
        }
        else if (this._state === 19 /* InComment */ ||
            this._state === 21 /* AfterComment1 */ ||
            this._state === 22 /* AfterComment2 */) {
            this.cbs.oncomment(data);
        }
        else if (this._state === 64 /* InNamedEntity */ && !this.xmlMode) {
            this.parseLegacyEntity();
            if (this.sectionStart < this._index) {
                this._state = this.baseState;
                this.handleTrailingData();
            }
        }
        else if (this._state === 65 /* InNumericEntity */ && !this.xmlMode) {
            this.decodeNumericEntity(2, 10, false);
            if (this.sectionStart < this._index) {
                this._state = this.baseState;
                this.handleTrailingData();
            }
        }
        else if (this._state === 66 /* InHexEntity */ && !this.xmlMode) {
            this.decodeNumericEntity(3, 16, false);
            if (this.sectionStart < this._index) {
                this._state = this.baseState;
                this.handleTrailingData();
            }
        }
        else if (this._state !== 3 /* InTagName */ &&
            this._state !== 8 /* BeforeAttributeName */ &&
            this._state !== 11 /* BeforeAttributeValue */ &&
            this._state !== 10 /* AfterAttributeName */ &&
            this._state !== 9 /* InAttributeName */ &&
            this._state !== 13 /* InAttributeValueSq */ &&
            this._state !== 12 /* InAttributeValueDq */ &&
            this._state !== 14 /* InAttributeValueNq */ &&
            this._state !== 6 /* InClosingTagName */) {
            this.cbs.ontext(data);
        }
        /*
         * Else, ignore remaining data
         * TODO add a way to remove current tag
         */
    };
    Tokenizer.prototype.getSection = function () {
        return this.buffer.substring(this.sectionStart, this._index);
    };
    Tokenizer.prototype.emitToken = function (name) {
        this.cbs[name](this.getSection());
        this.sectionStart = -1;
    };
    Tokenizer.prototype.emitPartial = function (value) {
        if (this.baseState !== 1 /* Text */) {
            this.cbs.onattribdata(value); // TODO implement the new event
        }
        else {
            this.cbs.ontext(value);
        }
    };
    return Tokenizer;
}());
exports.default = Tokenizer;