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							909 lines
						
					
					
						
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				"use strict"; | 
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var __importDefault = (this && this.__importDefault) || function (mod) { | 
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    return (mod && mod.__esModule) ? mod : { "default": mod }; | 
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}; | 
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Object.defineProperty(exports, "__esModule", { value: true }); | 
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var decode_codepoint_1 = __importDefault(require("entities/lib/decode_codepoint")); | 
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var entities_json_1 = __importDefault(require("entities/lib/maps/entities.json")); | 
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var legacy_json_1 = __importDefault(require("entities/lib/maps/legacy.json")); | 
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var xml_json_1 = __importDefault(require("entities/lib/maps/xml.json")); | 
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function whitespace(c) { | 
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    return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r"; | 
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} | 
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function isASCIIAlpha(c) { | 
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    return (c >= "a" && c <= "z") || (c >= "A" && c <= "Z"); | 
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} | 
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function ifElseState(upper, SUCCESS, FAILURE) { | 
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    var lower = upper.toLowerCase(); | 
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    if (upper === lower) { | 
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        return function (t, c) { | 
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            if (c === lower) { | 
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                t._state = SUCCESS; | 
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            } | 
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            else { | 
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                t._state = FAILURE; | 
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                t._index--; | 
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            } | 
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        }; | 
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    } | 
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    return function (t, c) { | 
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        if (c === lower || c === upper) { | 
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            t._state = SUCCESS; | 
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        } | 
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        else { | 
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            t._state = FAILURE; | 
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            t._index--; | 
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        } | 
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    }; | 
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} | 
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function consumeSpecialNameChar(upper, NEXT_STATE) { | 
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    var lower = upper.toLowerCase(); | 
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    return function (t, c) { | 
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        if (c === lower || c === upper) { | 
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            t._state = NEXT_STATE; | 
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        } | 
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        else { | 
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            t._state = 3 /* InTagName */; | 
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            t._index--; // Consume the token again | 
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        } | 
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    }; | 
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} | 
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var stateBeforeCdata1 = ifElseState("C", 24 /* BeforeCdata2 */, 16 /* InDeclaration */); | 
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var stateBeforeCdata2 = ifElseState("D", 25 /* BeforeCdata3 */, 16 /* InDeclaration */); | 
						|
var stateBeforeCdata3 = ifElseState("A", 26 /* BeforeCdata4 */, 16 /* InDeclaration */); | 
						|
var stateBeforeCdata4 = ifElseState("T", 27 /* BeforeCdata5 */, 16 /* InDeclaration */); | 
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var stateBeforeCdata5 = ifElseState("A", 28 /* BeforeCdata6 */, 16 /* InDeclaration */); | 
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var stateBeforeScript1 = consumeSpecialNameChar("R", 35 /* BeforeScript2 */); | 
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var stateBeforeScript2 = consumeSpecialNameChar("I", 36 /* BeforeScript3 */); | 
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var stateBeforeScript3 = consumeSpecialNameChar("P", 37 /* BeforeScript4 */); | 
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var stateBeforeScript4 = consumeSpecialNameChar("T", 38 /* BeforeScript5 */); | 
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var stateAfterScript1 = ifElseState("R", 40 /* AfterScript2 */, 1 /* Text */); | 
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var stateAfterScript2 = ifElseState("I", 41 /* AfterScript3 */, 1 /* Text */); | 
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var stateAfterScript3 = ifElseState("P", 42 /* AfterScript4 */, 1 /* Text */); | 
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var stateAfterScript4 = ifElseState("T", 43 /* AfterScript5 */, 1 /* Text */); | 
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var stateBeforeStyle1 = consumeSpecialNameChar("Y", 45 /* BeforeStyle2 */); | 
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var stateBeforeStyle2 = consumeSpecialNameChar("L", 46 /* BeforeStyle3 */); | 
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var stateBeforeStyle3 = consumeSpecialNameChar("E", 47 /* BeforeStyle4 */); | 
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var stateAfterStyle1 = ifElseState("Y", 49 /* AfterStyle2 */, 1 /* Text */); | 
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var stateAfterStyle2 = ifElseState("L", 50 /* AfterStyle3 */, 1 /* Text */); | 
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var stateAfterStyle3 = ifElseState("E", 51 /* AfterStyle4 */, 1 /* Text */); | 
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var stateBeforeSpecialT = consumeSpecialNameChar("I", 54 /* BeforeTitle1 */); | 
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var stateBeforeTitle1 = consumeSpecialNameChar("T", 55 /* BeforeTitle2 */); | 
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var stateBeforeTitle2 = consumeSpecialNameChar("L", 56 /* BeforeTitle3 */); | 
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var stateBeforeTitle3 = consumeSpecialNameChar("E", 57 /* BeforeTitle4 */); | 
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var stateAfterSpecialTEnd = ifElseState("I", 58 /* AfterTitle1 */, 1 /* Text */); | 
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var stateAfterTitle1 = ifElseState("T", 59 /* AfterTitle2 */, 1 /* Text */); | 
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var stateAfterTitle2 = ifElseState("L", 60 /* AfterTitle3 */, 1 /* Text */); | 
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var stateAfterTitle3 = ifElseState("E", 61 /* AfterTitle4 */, 1 /* Text */); | 
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var stateBeforeEntity = ifElseState("#", 63 /* BeforeNumericEntity */, 64 /* InNamedEntity */); | 
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var stateBeforeNumericEntity = ifElseState("X", 66 /* InHexEntity */, 65 /* InNumericEntity */); | 
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var Tokenizer = /** @class */ (function () { | 
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    function Tokenizer(options, cbs) { | 
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        var _a; | 
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        /** The current state the tokenizer is in. */ | 
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        this._state = 1 /* Text */; | 
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        /** The read buffer. */ | 
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        this.buffer = ""; | 
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        /** The beginning of the section that is currently being read. */ | 
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        this.sectionStart = 0; | 
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        /** The index within the buffer that we are currently looking at. */ | 
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        this._index = 0; | 
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        /** | 
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         * Data that has already been processed will be removed from the buffer occasionally. | 
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         * `_bufferOffset` keeps track of how many characters have been removed, to make sure position information is accurate. | 
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         */ | 
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        this.bufferOffset = 0; | 
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        /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */ | 
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        this.baseState = 1 /* Text */; | 
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        /** For special parsing behavior inside of script and style tags. */ | 
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        this.special = 1 /* None */; | 
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        /** Indicates whether the tokenizer has been paused. */ | 
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        this.running = true; | 
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        /** Indicates whether the tokenizer has finished running / `.end` has been called. */ | 
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        this.ended = false; | 
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        this.cbs = cbs; | 
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        this.xmlMode = !!(options === null || options === void 0 ? void 0 : options.xmlMode); | 
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        this.decodeEntities = (_a = options === null || options === void 0 ? void 0 : options.decodeEntities) !== null && _a !== void 0 ? _a : true; | 
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    } | 
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    Tokenizer.prototype.reset = function () { | 
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        this._state = 1 /* Text */; | 
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        this.buffer = ""; | 
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        this.sectionStart = 0; | 
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        this._index = 0; | 
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        this.bufferOffset = 0; | 
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        this.baseState = 1 /* Text */; | 
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        this.special = 1 /* None */; | 
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        this.running = true; | 
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        this.ended = false; | 
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    }; | 
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    Tokenizer.prototype.write = function (chunk) { | 
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        if (this.ended) | 
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            this.cbs.onerror(Error(".write() after done!")); | 
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        this.buffer += chunk; | 
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        this.parse(); | 
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    }; | 
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    Tokenizer.prototype.end = function (chunk) { | 
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        if (this.ended) | 
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            this.cbs.onerror(Error(".end() after done!")); | 
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        if (chunk) | 
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            this.write(chunk); | 
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        this.ended = true; | 
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        if (this.running) | 
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            this.finish(); | 
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    }; | 
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    Tokenizer.prototype.pause = function () { | 
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        this.running = false; | 
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    }; | 
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    Tokenizer.prototype.resume = function () { | 
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        this.running = true; | 
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        if (this._index < this.buffer.length) { | 
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            this.parse(); | 
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        } | 
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        if (this.ended) { | 
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            this.finish(); | 
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        } | 
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    }; | 
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    /** | 
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     * The current index within all of the written data. | 
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     */ | 
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    Tokenizer.prototype.getAbsoluteIndex = function () { | 
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        return this.bufferOffset + this._index; | 
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    }; | 
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    Tokenizer.prototype.stateText = function (c) { | 
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        if (c === "<") { | 
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            if (this._index > this.sectionStart) { | 
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                this.cbs.ontext(this.getSection()); | 
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            } | 
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            this._state = 2 /* BeforeTagName */; | 
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            this.sectionStart = this._index; | 
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        } | 
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        else if (this.decodeEntities && | 
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            c === "&" && | 
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            (this.special === 1 /* None */ || this.special === 4 /* Title */)) { | 
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            if (this._index > this.sectionStart) { | 
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                this.cbs.ontext(this.getSection()); | 
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            } | 
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            this.baseState = 1 /* Text */; | 
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            this._state = 62 /* BeforeEntity */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    /** | 
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     * HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name. | 
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     * | 
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     * XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar). | 
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     * We allow anything that wouldn't end the tag. | 
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     */ | 
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    Tokenizer.prototype.isTagStartChar = function (c) { | 
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        return (isASCIIAlpha(c) || | 
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            (this.xmlMode && !whitespace(c) && c !== "/" && c !== ">")); | 
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    }; | 
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    Tokenizer.prototype.stateBeforeTagName = function (c) { | 
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        if (c === "/") { | 
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            this._state = 5 /* BeforeClosingTagName */; | 
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        } | 
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        else if (c === "<") { | 
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            this.cbs.ontext(this.getSection()); | 
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            this.sectionStart = this._index; | 
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        } | 
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        else if (c === ">" || | 
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            this.special !== 1 /* None */ || | 
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            whitespace(c)) { | 
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            this._state = 1 /* Text */; | 
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        } | 
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        else if (c === "!") { | 
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            this._state = 15 /* BeforeDeclaration */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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        else if (c === "?") { | 
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            this._state = 17 /* InProcessingInstruction */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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        else if (!this.isTagStartChar(c)) { | 
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            this._state = 1 /* Text */; | 
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        } | 
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        else { | 
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            this._state = | 
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                !this.xmlMode && (c === "s" || c === "S") | 
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                    ? 32 /* BeforeSpecialS */ | 
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                    : !this.xmlMode && (c === "t" || c === "T") | 
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                        ? 52 /* BeforeSpecialT */ | 
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                        : 3 /* InTagName */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateInTagName = function (c) { | 
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        if (c === "/" || c === ">" || whitespace(c)) { | 
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            this.emitToken("onopentagname"); | 
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            this._state = 8 /* BeforeAttributeName */; | 
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            this._index--; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateBeforeClosingTagName = function (c) { | 
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        if (whitespace(c)) { | 
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            // Ignore | 
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        } | 
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        else if (c === ">") { | 
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            this._state = 1 /* Text */; | 
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        } | 
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        else if (this.special !== 1 /* None */) { | 
						|
            if (this.special !== 4 /* Title */ && (c === "s" || c === "S")) { | 
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                this._state = 33 /* BeforeSpecialSEnd */; | 
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            } | 
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            else if (this.special === 4 /* Title */ && | 
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                (c === "t" || c === "T")) { | 
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                this._state = 53 /* BeforeSpecialTEnd */; | 
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            } | 
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            else { | 
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                this._state = 1 /* Text */; | 
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                this._index--; | 
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            } | 
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        } | 
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        else if (!this.isTagStartChar(c)) { | 
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            this._state = 20 /* InSpecialComment */; | 
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            this.sectionStart = this._index; | 
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        } | 
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        else { | 
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            this._state = 6 /* InClosingTagName */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateInClosingTagName = function (c) { | 
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        if (c === ">" || whitespace(c)) { | 
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            this.emitToken("onclosetag"); | 
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            this._state = 7 /* AfterClosingTagName */; | 
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            this._index--; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateAfterClosingTagName = function (c) { | 
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        // Skip everything until ">" | 
						|
        if (c === ">") { | 
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            this._state = 1 /* Text */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateBeforeAttributeName = function (c) { | 
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        if (c === ">") { | 
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            this.cbs.onopentagend(); | 
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            this._state = 1 /* Text */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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        else if (c === "/") { | 
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            this._state = 4 /* InSelfClosingTag */; | 
						|
        } | 
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        else if (!whitespace(c)) { | 
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            this._state = 9 /* InAttributeName */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateInSelfClosingTag = function (c) { | 
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        if (c === ">") { | 
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            this.cbs.onselfclosingtag(); | 
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            this._state = 1 /* Text */; | 
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            this.sectionStart = this._index + 1; | 
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            this.special = 1 /* None */; // Reset special state, in case of self-closing special tags | 
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        } | 
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        else if (!whitespace(c)) { | 
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            this._state = 8 /* BeforeAttributeName */; | 
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            this._index--; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateInAttributeName = function (c) { | 
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        if (c === "=" || c === "/" || c === ">" || whitespace(c)) { | 
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            this.cbs.onattribname(this.getSection()); | 
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            this.sectionStart = -1; | 
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            this._state = 10 /* AfterAttributeName */; | 
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            this._index--; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateAfterAttributeName = function (c) { | 
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        if (c === "=") { | 
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            this._state = 11 /* BeforeAttributeValue */; | 
						|
        } | 
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        else if (c === "/" || c === ">") { | 
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            this.cbs.onattribend(undefined); | 
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            this._state = 8 /* BeforeAttributeName */; | 
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            this._index--; | 
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        } | 
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        else if (!whitespace(c)) { | 
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            this.cbs.onattribend(undefined); | 
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            this._state = 9 /* InAttributeName */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateBeforeAttributeValue = function (c) { | 
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        if (c === '"') { | 
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            this._state = 12 /* InAttributeValueDq */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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        else if (c === "'") { | 
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            this._state = 13 /* InAttributeValueSq */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
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        else if (!whitespace(c)) { | 
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            this._state = 14 /* InAttributeValueNq */; | 
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            this.sectionStart = this._index; | 
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            this._index--; // Reconsume token | 
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        } | 
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    }; | 
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    Tokenizer.prototype.handleInAttributeValue = function (c, quote) { | 
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        if (c === quote) { | 
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            this.emitToken("onattribdata"); | 
						|
            this.cbs.onattribend(quote); | 
						|
            this._state = 8 /* BeforeAttributeName */; | 
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        } | 
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        else if (this.decodeEntities && c === "&") { | 
						|
            this.emitToken("onattribdata"); | 
						|
            this.baseState = this._state; | 
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            this._state = 62 /* BeforeEntity */; | 
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            this.sectionStart = this._index; | 
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        } | 
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    }; | 
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    Tokenizer.prototype.stateInAttributeValueDoubleQuotes = function (c) { | 
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        this.handleInAttributeValue(c, '"'); | 
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    }; | 
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    Tokenizer.prototype.stateInAttributeValueSingleQuotes = function (c) { | 
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        this.handleInAttributeValue(c, "'"); | 
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    }; | 
						|
    Tokenizer.prototype.stateInAttributeValueNoQuotes = function (c) { | 
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        if (whitespace(c) || c === ">") { | 
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            this.emitToken("onattribdata"); | 
						|
            this.cbs.onattribend(null); | 
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            this._state = 8 /* BeforeAttributeName */; | 
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            this._index--; | 
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        } | 
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        else if (this.decodeEntities && c === "&") { | 
						|
            this.emitToken("onattribdata"); | 
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            this.baseState = this._state; | 
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            this._state = 62 /* BeforeEntity */; | 
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            this.sectionStart = this._index; | 
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        } | 
						|
    }; | 
						|
    Tokenizer.prototype.stateBeforeDeclaration = function (c) { | 
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        this._state = | 
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            c === "[" | 
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                ? 23 /* BeforeCdata1 */ | 
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                : c === "-" | 
						|
                    ? 18 /* BeforeComment */ | 
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                    : 16 /* InDeclaration */; | 
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    }; | 
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    Tokenizer.prototype.stateInDeclaration = function (c) { | 
						|
        if (c === ">") { | 
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            this.cbs.ondeclaration(this.getSection()); | 
						|
            this._state = 1 /* Text */; | 
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            this.sectionStart = this._index + 1; | 
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        } | 
						|
    }; | 
						|
    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;
 | 
						|
 |