@loaders.gl/xml/dist/index.cjs.map

Framework-independent loaders for the XML (eXtensible Markup Language) format

{
  "version": 3,
  "sources": ["index.js", "sax-ts/sax.js", "lib/xml-utils/uncapitalize.js", "lib/parsers/parse-xml.js", "xml-loader.js", "html-loader.js", "lib/xml-utils/xml-utils.js"],
  "sourcesContent": ["// loaders.gl\n// SPDX-License-Identifier: MIT\n// Copyright (c) vis.gl contributors\nexport { XMLLoader } from \"./xml-loader.js\";\nexport { HTMLLoader } from \"./html-loader.js\";\nexport { SAXParser as SAXParser } from \"./sax-ts/sax.js\";\n// Utilities\nexport { convertXMLValueToArray, convertXMLFieldToArrayInPlace } from \"./lib/xml-utils/xml-utils.js\";\n// Experimental\nexport { uncapitalize as _uncapitalize, uncapitalizeKeys as _uncapitalizeKeys } from \"./lib/xml-utils/uncapitalize.js\";\n", "// loaders.gl\n// SPDX-License-Identifier: MIT\n// Copyright (c) vis.gl contributors\nconst DEFAULT_SAX_EVENTS = {\n    ontext: () => { },\n    onprocessinginstruction: () => { },\n    onsgmldeclaration: () => { },\n    ondoctype: () => { },\n    oncomment: () => { },\n    onopentagstart: () => { },\n    onattribute: () => { },\n    onopentag: () => { },\n    onclosetag: () => { },\n    onopencdata: () => { },\n    oncdata: () => { },\n    onclosecdata: () => { },\n    onerror: () => { },\n    onend: () => { },\n    onready: () => { },\n    onscript: () => { },\n    onopennamespace: () => { },\n    onclosenamespace: () => { }\n};\nconst DEFAULT_SAX_PARSER_OPTIONS = {\n    ...DEFAULT_SAX_EVENTS,\n    strict: false,\n    MAX_BUFFER_LENGTH: 64 * 1024,\n    lowercase: false,\n    lowercasetags: false,\n    noscript: false,\n    strictEntities: false,\n    xmlns: undefined,\n    position: undefined,\n    trim: undefined,\n    normalize: undefined\n};\nconst EVENTS = [\n    'text',\n    'processinginstruction',\n    'sgmldeclaration',\n    'doctype',\n    'comment',\n    'opentagstart',\n    'attribute',\n    'opentag',\n    'closetag',\n    'opencdata',\n    'cdata',\n    'closecdata',\n    'error',\n    'end',\n    'ready',\n    'script',\n    'opennamespace',\n    'closenamespace'\n];\nconst BUFFERS = [\n    'comment',\n    'sgmlDecl',\n    'textNode',\n    'tagName',\n    'doctype',\n    'procInstName',\n    'procInstBody',\n    'entity',\n    'attribName',\n    'attribValue',\n    'cdata',\n    'script'\n];\nconst nameStart = /[:_A-Za-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/;\nconst nameBody = /[:_A-Za-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD\\u00B7\\u0300-\\u036F\\u203F-\\u2040.\\d-]/;\nconst entityStart = /[#:_A-Za-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/;\nconst entityBody = /[#:_A-Za-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD\\u00B7\\u0300-\\u036F\\u203F-\\u2040.\\d-]/;\nexport const ENTITIES = {\n    amp: '&',\n    gt: '>',\n    lt: '<',\n    quot: '\"',\n    apos: \"'\",\n    AElig: 198,\n    Aacute: 193,\n    Acirc: 194,\n    Agrave: 192,\n    Aring: 197,\n    Atilde: 195,\n    Auml: 196,\n    Ccedil: 199,\n    ETH: 208,\n    Eacute: 201,\n    Ecirc: 202,\n    Egrave: 200,\n    Euml: 203,\n    Iacute: 205,\n    Icirc: 206,\n    Igrave: 204,\n    Iuml: 207,\n    Ntilde: 209,\n    Oacute: 211,\n    Ocirc: 212,\n    Ograve: 210,\n    Oslash: 216,\n    Otilde: 213,\n    Ouml: 214,\n    THORN: 222,\n    Uacute: 218,\n    Ucirc: 219,\n    Ugrave: 217,\n    Uuml: 220,\n    Yacute: 221,\n    aacute: 225,\n    acirc: 226,\n    aelig: 230,\n    agrave: 224,\n    aring: 229,\n    atilde: 227,\n    auml: 228,\n    ccedil: 231,\n    eacute: 233,\n    ecirc: 234,\n    egrave: 232,\n    eth: 240,\n    euml: 235,\n    iacute: 237,\n    icirc: 238,\n    igrave: 236,\n    iuml: 239,\n    ntilde: 241,\n    oacute: 243,\n    ocirc: 244,\n    ograve: 242,\n    oslash: 248,\n    otilde: 245,\n    ouml: 246,\n    szlig: 223,\n    thorn: 254,\n    uacute: 250,\n    ucirc: 251,\n    ugrave: 249,\n    uuml: 252,\n    yacute: 253,\n    yuml: 255,\n    copy: 169,\n    reg: 174,\n    nbsp: 160,\n    iexcl: 161,\n    cent: 162,\n    pound: 163,\n    curren: 164,\n    yen: 165,\n    brvbar: 166,\n    sect: 167,\n    uml: 168,\n    ordf: 170,\n    laquo: 171,\n    not: 172,\n    shy: 173,\n    macr: 175,\n    deg: 176,\n    plusmn: 177,\n    sup1: 185,\n    sup2: 178,\n    sup3: 179,\n    acute: 180,\n    micro: 181,\n    para: 182,\n    middot: 183,\n    cedil: 184,\n    ordm: 186,\n    raquo: 187,\n    frac14: 188,\n    frac12: 189,\n    frac34: 190,\n    iquest: 191,\n    times: 215,\n    divide: 247,\n    OElig: 338,\n    oelig: 339,\n    Scaron: 352,\n    scaron: 353,\n    Yuml: 376,\n    fnof: 402,\n    circ: 710,\n    tilde: 732,\n    Alpha: 913,\n    Beta: 914,\n    Gamma: 915,\n    Delta: 916,\n    Epsilon: 917,\n    Zeta: 918,\n    Eta: 919,\n    Theta: 920,\n    Iota: 921,\n    Kappa: 922,\n    Lambda: 923,\n    Mu: 924,\n    Nu: 925,\n    Xi: 926,\n    Omicron: 927,\n    Pi: 928,\n    Rho: 929,\n    Sigma: 931,\n    Tau: 932,\n    Upsilon: 933,\n    Phi: 934,\n    Chi: 935,\n    Psi: 936,\n    Omega: 937,\n    alpha: 945,\n    beta: 946,\n    gamma: 947,\n    delta: 948,\n    epsilon: 949,\n    zeta: 950,\n    eta: 951,\n    theta: 952,\n    iota: 953,\n    kappa: 954,\n    lambda: 955,\n    mu: 956,\n    nu: 957,\n    xi: 958,\n    omicron: 959,\n    pi: 960,\n    rho: 961,\n    sigmaf: 962,\n    sigma: 963,\n    tau: 964,\n    upsilon: 965,\n    phi: 966,\n    chi: 967,\n    psi: 968,\n    omega: 969,\n    thetasym: 977,\n    upsih: 978,\n    piv: 982,\n    ensp: 8194,\n    emsp: 8195,\n    thinsp: 8201,\n    zwnj: 8204,\n    zwj: 8205,\n    lrm: 8206,\n    rlm: 8207,\n    ndash: 8211,\n    mdash: 8212,\n    lsquo: 8216,\n    rsquo: 8217,\n    sbquo: 8218,\n    ldquo: 8220,\n    rdquo: 8221,\n    bdquo: 8222,\n    dagger: 8224,\n    Dagger: 8225,\n    bull: 8226,\n    hellip: 8230,\n    permil: 8240,\n    prime: 8242,\n    Prime: 8243,\n    lsaquo: 8249,\n    rsaquo: 8250,\n    oline: 8254,\n    frasl: 8260,\n    euro: 8364,\n    image: 8465,\n    weierp: 8472,\n    real: 8476,\n    trade: 8482,\n    alefsym: 8501,\n    larr: 8592,\n    uarr: 8593,\n    rarr: 8594,\n    darr: 8595,\n    harr: 8596,\n    crarr: 8629,\n    lArr: 8656,\n    uArr: 8657,\n    rArr: 8658,\n    dArr: 8659,\n    hArr: 8660,\n    forall: 8704,\n    part: 8706,\n    exist: 8707,\n    empty: 8709,\n    nabla: 8711,\n    isin: 8712,\n    notin: 8713,\n    ni: 8715,\n    prod: 8719,\n    sum: 8721,\n    minus: 8722,\n    lowast: 8727,\n    radic: 8730,\n    prop: 8733,\n    infin: 8734,\n    ang: 8736,\n    and: 8743,\n    or: 8744,\n    cap: 8745,\n    cup: 8746,\n    int: 8747,\n    there4: 8756,\n    sim: 8764,\n    cong: 8773,\n    asymp: 8776,\n    ne: 8800,\n    equiv: 8801,\n    le: 8804,\n    ge: 8805,\n    sub: 8834,\n    sup: 8835,\n    nsub: 8836,\n    sube: 8838,\n    supe: 8839,\n    oplus: 8853,\n    otimes: 8855,\n    perp: 8869,\n    sdot: 8901,\n    lceil: 8968,\n    rceil: 8969,\n    lfloor: 8970,\n    rfloor: 8971,\n    lang: 9001,\n    rang: 9002,\n    loz: 9674,\n    spades: 9824,\n    clubs: 9827,\n    hearts: 9829,\n    diams: 9830\n};\nObject.keys(ENTITIES).forEach((key) => {\n    const e = ENTITIES[key];\n    ENTITIES[key] = typeof e === 'number' ? String.fromCharCode(e) : e;\n});\n/**\n * Internal helper class\n */\nclass SAX {\n    EVENTS = EVENTS;\n    ENTITIES = {\n        // TODO: make it readonly, needed for entity-mega test\n        // amp, gt, lt, quot and apos are resolved to strings instead of numerical\n        // codes, IDK why\n        ...ENTITIES\n    };\n    XML_ENTITIES = {\n        amp: '&',\n        gt: '>',\n        lt: '<',\n        quot: '\"',\n        apos: \"'\"\n    };\n    S = 0;\n    opt;\n    trackPosition = false;\n    column = 0;\n    line = 0;\n    c = '';\n    error;\n    q = '';\n    bufferCheckPosition;\n    closed = false;\n    tags = [];\n    looseCase = '';\n    closedRoot = false;\n    sawRoot = false;\n    strict = false;\n    tag;\n    strictEntities;\n    state;\n    noscript = false;\n    attribList = [];\n    ns;\n    position = 0;\n    STATE = {\n        BEGIN: this.S++, // leading byte order mark or whitespace\n        BEGIN_WHITESPACE: this.S++, // leading whitespace\n        TEXT: this.S++, // general stuff\n        TEXT_ENTITY: this.S++, // &amp and such.\n        OPEN_WAKA: this.S++, // <\n        SGML_DECL: this.S++, // <!BLARG\n        SGML_DECL_QUOTED: this.S++, // <!BLARG foo \"bar\n        DOCTYPE: this.S++, // <!DOCTYPE\n        DOCTYPE_QUOTED: this.S++, // <!DOCTYPE \"//blah\n        DOCTYPE_DTD: this.S++, // <!DOCTYPE \"//blah\" [ ...\n        DOCTYPE_DTD_QUOTED: this.S++, // <!DOCTYPE \"//blah\" [ \"foo\n        COMMENT_STARTING: this.S++, // <!-\n        COMMENT: this.S++, // <!--\n        COMMENT_ENDING: this.S++, // <!-- blah -\n        COMMENT_ENDED: this.S++, // <!-- blah --\n        CDATA: this.S++, // <![CDATA[ something\n        CDATA_ENDING: this.S++, // ]\n        CDATA_ENDING_2: this.S++, // ]]\n        PROC_INST: this.S++, // <?hi\n        PROC_INST_BODY: this.S++, // <?hi there\n        PROC_INST_ENDING: this.S++, // <?hi \"there\" ?\n        OPEN_TAG: this.S++, // <strong\n        OPEN_TAG_SLASH: this.S++, // <strong /\n        ATTRIB: this.S++, // <a\n        ATTRIB_NAME: this.S++, // <a foo\n        ATTRIB_NAME_SAW_WHITE: this.S++, // <a foo _\n        ATTRIB_VALUE: this.S++, // <a foo=\n        ATTRIB_VALUE_QUOTED: this.S++, // <a foo=\"bar\n        ATTRIB_VALUE_CLOSED: this.S++, // <a foo=\"bar\"\n        ATTRIB_VALUE_UNQUOTED: this.S++, // <a foo=bar\n        ATTRIB_VALUE_ENTITY_Q: this.S++, // <foo bar=\"&quot;\"\n        ATTRIB_VALUE_ENTITY_U: this.S++, // <foo bar=&quot\n        CLOSE_TAG: this.S++, // </a\n        CLOSE_TAG_SAW_WHITE: this.S++, // </a   >\n        SCRIPT: this.S++, // <script> ...\n        SCRIPT_ENDING: this.S++ // <script> ... <\n    };\n    BUFFERS = BUFFERS;\n    // private parser: (strict: boolean, opt: any) => SAXParser;\n    CDATA = '[CDATA[';\n    DOCTYPE = 'DOCTYPE';\n    XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace';\n    XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/';\n    rootNS = {\n        xml: this.XML_NAMESPACE,\n        xmlns: this.XMLNS_NAMESPACE\n    };\n    comment;\n    sgmlDecl;\n    textNode = '';\n    tagName;\n    doctype;\n    procInstName;\n    procInstBody;\n    entity = '';\n    attribName;\n    attribValue;\n    cdata = '';\n    script = '';\n    startTagPosition = 0;\n    constructor() {\n        this.S = 0;\n        for (const s in this.STATE) {\n            if (this.STATE.hasOwnProperty(s)) {\n                this.STATE[this.STATE[s]] = s;\n            }\n        }\n        // shorthand\n        this.S = this.STATE;\n    }\n    static charAt(chunk, i) {\n        let result = '';\n        if (i < chunk.length) {\n            result = chunk.charAt(i);\n        }\n        return result;\n    }\n    static isWhitespace(c) {\n        return c === ' ' || c === '\\n' || c === '\\r' || c === '\\t';\n    }\n    static isQuote(c) {\n        return c === '\"' || c === \"'\";\n    }\n    static isAttribEnd(c) {\n        return c === '>' || SAX.isWhitespace(c);\n    }\n    static isMatch(regex, c) {\n        return regex.test(c);\n    }\n    static notMatch(regex, c) {\n        return !SAX.isMatch(regex, c);\n    }\n    static qname(name, attribute) {\n        const i = name.indexOf(':');\n        const qualName = i < 0 ? ['', name] : name.split(':');\n        let prefix = qualName[0];\n        let local = qualName[1];\n        // <x \"xmlns\"=\"http://foo\">\n        if (attribute && name === 'xmlns') {\n            prefix = 'xmlns';\n            local = '';\n        }\n        return { prefix, local };\n    }\n    write(chunk) {\n        if (this.error) {\n            throw this.error;\n        }\n        if (this.closed) {\n            return this.errorFunction('Cannot write after close. Assign an onready handler.');\n        }\n        if (chunk === null) {\n            return this.end();\n        }\n        if (typeof chunk === 'object') {\n            chunk = chunk.toString();\n        }\n        let i = 0;\n        let c;\n        while (true) {\n            c = SAX.charAt(chunk, i++);\n            this.c = c;\n            if (!c) {\n                break;\n            }\n            if (this.trackPosition) {\n                this.position++;\n                if (c === '\\n') {\n                    this.line++;\n                    this.column = 0;\n                }\n                else {\n                    this.column++;\n                }\n            }\n            switch (this.state) {\n                case this.S.BEGIN:\n                    this.state = this.S.BEGIN_WHITESPACE;\n                    if (c === '\\uFEFF') {\n                        continue;\n                    }\n                    this.beginWhiteSpace(c);\n                    continue;\n                case this.S.BEGIN_WHITESPACE:\n                    this.beginWhiteSpace(c);\n                    continue;\n                case this.S.TEXT:\n                    if (this.sawRoot && !this.closedRoot) {\n                        const starti = i - 1;\n                        while (c && c !== '<' && c !== '&') {\n                            c = SAX.charAt(chunk, i++);\n                            if (c && this.trackPosition) {\n                                this.position++;\n                                if (c === '\\n') {\n                                    this.line++;\n                                    this.column = 0;\n                                }\n                                else {\n                                    this.column++;\n                                }\n                            }\n                        }\n                        this.textNode += chunk.substring(starti, i - 1);\n                    }\n                    if (c === '<' && !(this.sawRoot && this.closedRoot && !this.strict)) {\n                        this.state = this.S.OPEN_WAKA;\n                        this.startTagPosition = this.position;\n                    }\n                    else {\n                        if (!SAX.isWhitespace(c) && (!this.sawRoot || this.closedRoot)) {\n                            this.strictFail('Text data outside of root node.');\n                        }\n                        if (c === '&') {\n                            this.state = this.S.TEXT_ENTITY;\n                        }\n                        else {\n                            this.textNode += c;\n                        }\n                    }\n                    continue;\n                case this.S.SCRIPT:\n                    // only non-strict\n                    if (c === '<') {\n                        this.state = this.S.SCRIPT_ENDING;\n                    }\n                    else {\n                        this.script += c;\n                    }\n                    continue;\n                case this.S.SCRIPT_ENDING:\n                    if (c === '/') {\n                        this.state = this.S.CLOSE_TAG;\n                    }\n                    else {\n                        this.script += `<${c}`;\n                        this.state = this.S.SCRIPT;\n                    }\n                    continue;\n                case this.S.OPEN_WAKA:\n                    // either a /, ?, !, or text is coming next.\n                    if (c === '!') {\n                        this.state = this.S.SGML_DECL;\n                        this.sgmlDecl = '';\n                    }\n                    else if (SAX.isWhitespace(c)) {\n                        // wait for it...\n                    }\n                    else if (SAX.isMatch(nameStart, c)) {\n                        this.state = this.S.OPEN_TAG;\n                        this.tagName = c;\n                    }\n                    else if (c === '/') {\n                        this.state = this.S.CLOSE_TAG;\n                        this.tagName = '';\n                    }\n                    else if (c === '?') {\n                        this.state = this.S.PROC_INST;\n                        this.procInstName = this.procInstBody = '';\n                    }\n                    else {\n                        this.strictFail('Unencoded <');\n                        // if there was some whitespace, then add that in.\n                        if (this.startTagPosition + 1 < this.position) {\n                            const pad = this.position - this.startTagPosition;\n                            c = new Array(pad).join(' ') + c;\n                        }\n                        this.textNode += `<${c}`;\n                        this.state = this.S.TEXT;\n                    }\n                    continue;\n                case this.S.SGML_DECL:\n                    if ((this.sgmlDecl + c).toUpperCase() === this.CDATA) {\n                        this.emitNode('onopencdata');\n                        this.state = this.S.CDATA;\n                        this.sgmlDecl = '';\n                        this.cdata = '';\n                    }\n                    else if (this.sgmlDecl + c === '--') {\n                        this.state = this.S.COMMENT;\n                        this.comment = '';\n                        this.sgmlDecl = '';\n                    }\n                    else if ((this.sgmlDecl + c).toUpperCase() === this.DOCTYPE) {\n                        this.state = this.S.DOCTYPE;\n                        if (this.doctype || this.sawRoot) {\n                            this.strictFail('Inappropriately located doctype declaration');\n                        }\n                        this.doctype = '';\n                        this.sgmlDecl = '';\n                    }\n                    else if (c === '>') {\n                        this.emitNode('onsgmldeclaration', this.sgmlDecl);\n                        this.sgmlDecl = '';\n                        this.state = this.S.TEXT;\n                    }\n                    else if (SAX.isQuote(c)) {\n                        this.state = this.S.SGML_DECL_QUOTED;\n                        this.sgmlDecl += c;\n                    }\n                    else {\n                        this.sgmlDecl += c;\n                    }\n                    continue;\n                case this.S.SGML_DECL_QUOTED:\n                    if (c === this.q) {\n                        this.state = this.S.SGML_DECL;\n                        this.q = '';\n                    }\n                    this.sgmlDecl += c;\n                    continue;\n                case this.S.DOCTYPE:\n                    if (c === '>') {\n                        this.state = this.S.TEXT;\n                        this.emitNode('ondoctype', this.doctype);\n                        this.doctype = true; // just remember that we saw it.\n                    }\n                    else {\n                        this.doctype += c;\n                        if (c === '[') {\n                            this.state = this.S.DOCTYPE_DTD;\n                        }\n                        else if (SAX.isQuote(c)) {\n                            this.state = this.S.DOCTYPE_QUOTED;\n                            this.q = c;\n                        }\n                    }\n                    continue;\n                case this.S.DOCTYPE_QUOTED:\n                    this.doctype += c;\n                    if (c === this.q) {\n                        this.q = '';\n                        this.state = this.S.DOCTYPE;\n                    }\n                    continue;\n                case this.S.DOCTYPE_DTD:\n                    this.doctype += c;\n                    if (c === ']') {\n                        this.state = this.S.DOCTYPE;\n                    }\n                    else if (SAX.isQuote(c)) {\n                        this.state = this.S.DOCTYPE_DTD_QUOTED;\n                        this.q = c;\n                    }\n                    continue;\n                case this.S.DOCTYPE_DTD_QUOTED:\n                    this.doctype += c;\n                    if (c === this.q) {\n                        this.state = this.S.DOCTYPE_DTD;\n                        this.q = '';\n                    }\n                    continue;\n                case this.S.COMMENT:\n                    if (c === '-') {\n                        this.state = this.S.COMMENT_ENDING;\n                    }\n                    else {\n                        this.comment += c;\n                    }\n                    continue;\n                case this.S.COMMENT_ENDING:\n                    if (c === '-') {\n                        this.state = this.S.COMMENT_ENDED;\n                        this.comment = this.textApplyOptions(this.comment);\n                        if (this.comment) {\n                            this.emitNode('oncomment', this.comment);\n                        }\n                        this.comment = '';\n                    }\n                    else {\n                        this.comment += `-${c}`;\n                        this.state = this.S.COMMENT;\n                    }\n                    continue;\n                case this.S.COMMENT_ENDED:\n                    if (c !== '>') {\n                        this.strictFail('Malformed comment');\n                        // allow <!-- blah -- bloo --> in non-strict mode,\n                        // which is a comment of \" blah -- bloo \"\n                        this.comment += `--${c}`;\n                        this.state = this.S.COMMENT;\n                    }\n                    else {\n                        this.state = this.S.TEXT;\n                    }\n                    continue;\n                case this.S.CDATA:\n                    if (c === ']') {\n                        this.state = this.S.CDATA_ENDING;\n                    }\n                    else {\n                        this.cdata += c;\n                    }\n                    continue;\n                case this.S.CDATA_ENDING:\n                    if (c === ']') {\n                        this.state = this.S.CDATA_ENDING_2;\n                    }\n                    else {\n                        this.cdata += `]${c}`;\n                        this.state = this.S.CDATA;\n                    }\n                    continue;\n                case this.S.CDATA_ENDING_2:\n                    if (c === '>') {\n                        if (this.cdata) {\n                            this.emitNode('oncdata', this.cdata);\n                        }\n                        this.emitNode('onclosecdata');\n                        this.cdata = '';\n                        this.state = this.S.TEXT;\n                    }\n                    else if (c === ']') {\n                        this.cdata += ']';\n                    }\n                    else {\n                        this.cdata += `]]${c}`;\n                        this.state = this.S.CDATA;\n                    }\n                    continue;\n                case this.S.PROC_INST:\n                    if (c === '?') {\n                        this.state = this.S.PROC_INST_ENDING;\n                    }\n                    else if (SAX.isWhitespace(c)) {\n                        this.state = this.S.PROC_INST_BODY;\n                    }\n                    else {\n                        this.procInstName += c;\n                    }\n                    continue;\n                case this.S.PROC_INST_BODY:\n                    if (!this.procInstBody && SAX.isWhitespace(c)) {\n                        continue;\n                    }\n                    else if (c === '?') {\n                        this.state = this.S.PROC_INST_ENDING;\n                    }\n                    else {\n                        this.procInstBody += c;\n                    }\n                    continue;\n                case this.S.PROC_INST_ENDING:\n                    if (c === '>') {\n                        this.emitNode('onprocessinginstruction', {\n                            name: this.procInstName,\n                            body: this.procInstBody\n                        });\n                        this.procInstName = this.procInstBody = '';\n                        this.state = this.S.TEXT;\n                    }\n                    else {\n                        this.procInstBody += `?${c}`;\n                        this.state = this.S.PROC_INST_BODY;\n                    }\n                    continue;\n                case this.S.OPEN_TAG:\n                    if (SAX.isMatch(nameBody, c)) {\n                        this.tagName += c;\n                    }\n                    else {\n                        this.newTag();\n                        if (c === '>') {\n                            this.openTag();\n                        }\n                        else if (c === '/') {\n                            this.state = this.S.OPEN_TAG_SLASH;\n                        }\n                        else {\n                            if (!SAX.isWhitespace(c)) {\n                                this.strictFail('Invalid character in tag name');\n                            }\n                            this.state = this.S.ATTRIB;\n                        }\n                    }\n                    continue;\n                case this.S.OPEN_TAG_SLASH:\n                    if (c === '>') {\n                        this.openTag(true);\n                        this.closeTag();\n                    }\n                    else {\n                        this.strictFail('Forward-slash in opening tag not followed by >');\n                        this.state = this.S.ATTRIB;\n                    }\n                    continue;\n                case this.S.ATTRIB:\n                    // haven't read the attribute name yet.\n                    if (SAX.isWhitespace(c)) {\n                        continue;\n                    }\n                    else if (c === '>') {\n                        this.openTag();\n                    }\n                    else if (c === '/') {\n                        this.state = this.S.OPEN_TAG_SLASH;\n                    }\n                    else if (SAX.isMatch(nameStart, c)) {\n                        this.attribName = c;\n                        this.attribValue = '';\n                        this.state = this.S.ATTRIB_NAME;\n                    }\n                    else {\n                        this.strictFail('Invalid attribute name');\n                    }\n                    continue;\n                case this.S.ATTRIB_NAME:\n                    if (c === '=') {\n                        this.state = this.S.ATTRIB_VALUE;\n                    }\n                    else if (c === '>') {\n                        this.strictFail('Attribute without value');\n                        this.attribValue = this.attribName;\n                        this.attrib();\n                        this.openTag();\n                    }\n                    else if (SAX.isWhitespace(c)) {\n                        this.state = this.S.ATTRIB_NAME_SAW_WHITE;\n                    }\n                    else if (SAX.isMatch(nameBody, c)) {\n                        this.attribName += c;\n                    }\n                    else {\n                        this.strictFail('Invalid attribute name');\n                    }\n                    continue;\n                case this.S.ATTRIB_NAME_SAW_WHITE:\n                    if (c === '=') {\n                        this.state = this.S.ATTRIB_VALUE;\n                    }\n                    else if (SAX.isWhitespace(c)) {\n                        continue;\n                    }\n                    else {\n                        this.strictFail('Attribute without value');\n                        this.tag.attributes[this.attribName] = '';\n                        this.attribValue = '';\n                        this.emitNode('onattribute', {\n                            name: this.attribName,\n                            value: ''\n                        });\n                        this.attribName = '';\n                        if (c === '>') {\n                            this.openTag();\n                        }\n                        else if (SAX.isMatch(nameStart, c)) {\n                            this.attribName = c;\n                            this.state = this.S.ATTRIB_NAME;\n                        }\n                        else {\n                            this.strictFail('Invalid attribute name');\n                            this.state = this.S.ATTRIB;\n                        }\n                    }\n                    continue;\n                case this.S.ATTRIB_VALUE:\n                    if (SAX.isWhitespace(c)) {\n                        continue;\n                    }\n                    else if (SAX.isQuote(c)) {\n                        this.q = c;\n                        this.state = this.S.ATTRIB_VALUE_QUOTED;\n                    }\n                    else {\n                        this.strictFail('Unquoted attribute value');\n                        this.state = this.S.ATTRIB_VALUE_UNQUOTED;\n                        this.attribValue = c;\n                    }\n                    continue;\n                case this.S.ATTRIB_VALUE_QUOTED:\n                    if (c !== this.q) {\n                        if (c === '&') {\n                            this.state = this.S.ATTRIB_VALUE_ENTITY_Q;\n                        }\n                        else {\n                            this.attribValue += c;\n                        }\n                        continue;\n                    }\n                    this.attrib();\n                    this.q = '';\n                    this.state = this.S.ATTRIB_VALUE_CLOSED;\n                    continue;\n                case this.S.ATTRIB_VALUE_CLOSED:\n                    if (SAX.isWhitespace(c)) {\n                        this.state = this.S.ATTRIB;\n                    }\n                    else if (c === '>') {\n                        this.openTag();\n                    }\n                    else if (c === '/') {\n                        this.state = this.S.OPEN_TAG_SLASH;\n                    }\n                    else if (SAX.isMatch(nameStart, c)) {\n                        this.strictFail('No whitespace between attributes');\n                        this.attribName = c;\n                        this.attribValue = '';\n                        this.state = this.S.ATTRIB_NAME;\n                    }\n                    else {\n                        this.strictFail('Invalid attribute name');\n                    }\n                    continue;\n                case this.S.ATTRIB_VALUE_UNQUOTED:\n                    if (!SAX.isAttribEnd(c)) {\n                        if (c === '&') {\n                            this.state = this.S.ATTRIB_VALUE_ENTITY_U;\n                        }\n                        else {\n                            this.attribValue += c;\n                        }\n                        continue;\n                    }\n                    this.attrib();\n                    if (c === '>') {\n                        this.openTag();\n                    }\n                    else {\n                        this.state = this.S.ATTRIB;\n                    }\n                    continue;\n                case this.S.CLOSE_TAG:\n                    if (!this.tagName) {\n                        if (SAX.isWhitespace(c)) {\n                            continue;\n                        }\n                        else if (SAX.notMatch(nameStart, c)) {\n                            if (this.script) {\n                                this.script += `</${c}`;\n                                this.state = this.S.SCRIPT;\n                            }\n                            else {\n                                this.strictFail('Invalid tagname in closing tag.');\n                            }\n                        }\n                        else {\n                            this.tagName = c;\n                        }\n                    }\n                    else if (c === '>') {\n                        this.closeTag();\n                    }\n                    else if (SAX.isMatch(nameBody, c)) {\n                        this.tagName += c;\n                    }\n                    else if (this.script) {\n                        this.script += `</${this.tagName}`;\n                        this.tagName = '';\n                        this.state = this.S.SCRIPT;\n                    }\n                    else {\n                        if (!SAX.isWhitespace(c)) {\n                            this.strictFail('Invalid tagname in closing tag');\n                        }\n                        this.state = this.S.CLOSE_TAG_SAW_WHITE;\n                    }\n                    continue;\n                case this.S.CLOSE_TAG_SAW_WHITE:\n                    if (SAX.isWhitespace(c)) {\n                        continue;\n                    }\n                    if (c === '>') {\n                        this.closeTag();\n                    }\n                    else {\n                        this.strictFail('Invalid characters in closing tag');\n                    }\n                    continue;\n                case this.S.TEXT_ENTITY:\n                case this.S.ATTRIB_VALUE_ENTITY_Q:\n                case this.S.ATTRIB_VALUE_ENTITY_U:\n                    let returnState;\n                    let buffer;\n                    switch (this.state) {\n                        case this.S.TEXT_ENTITY:\n                            returnState = this.S.TEXT;\n                            buffer = 'textNode';\n                            break;\n                        case this.S.ATTRIB_VALUE_ENTITY_Q:\n                            returnState = this.S.ATTRIB_VALUE_QUOTED;\n                            buffer = 'attribValue';\n                            break;\n                        case this.S.ATTRIB_VALUE_ENTITY_U:\n                            returnState = this.S.ATTRIB_VALUE_UNQUOTED;\n                            buffer = 'attribValue';\n                            break;\n                        default:\n                            throw new Error(`Unknown state: ${this.state}`);\n                    }\n                    if (c === ';') {\n                        this[buffer] += this.parseEntity();\n                        this.entity = '';\n                        this.state = returnState;\n                    }\n                    else if (SAX.isMatch(this.entity.length ? entityBody : entityStart, c)) {\n                        this.entity += c;\n                    }\n                    else {\n                        this.strictFail('Invalid character in entity name');\n                        this[buffer] += `&${this.entity}${c}`;\n                        this.entity = '';\n                        this.state = returnState;\n                    }\n                    continue;\n                default:\n                    throw new Error(`Unknown state: ${this.state}`);\n            }\n        } // while\n        if (this.position >= this.bufferCheckPosition) {\n            this.checkBufferLength();\n        }\n        return this;\n    }\n    emit(event, data) {\n        if (this.events.hasOwnProperty(event)) {\n            const eventName = event.replace(/^on/, '');\n            this.events[event](data, eventName, this);\n        }\n    }\n    clearBuffers() {\n        for (let i = 0, l = this.BUFFERS.length; i < l; i++) {\n            this[this[i]] = '';\n        }\n    }\n    flushBuffers() {\n        this.closeText();\n        if (this.cdata !== '') {\n            this.emitNode('oncdata', this.cdata);\n            this.cdata = '';\n        }\n        if (this.script !== '') {\n            this.emitNode('onscript', this.script);\n            this.script = '';\n        }\n    }\n    end() {\n        if (this.sawRoot && !this.closedRoot)\n            this.strictFail('Unclosed root tag');\n        if (this.state !== this.S.BEGIN &&\n            this.state !== this.S.BEGIN_WHITESPACE &&\n            this.state !== this.S.TEXT) {\n            this.errorFunction('Unexpected end');\n        }\n        this.closeText();\n        this.c = '';\n        this.closed = true;\n        this.emit('onend');\n        return new SAXParser(this.opt);\n    }\n    errorFunction(er) {\n        this.closeText();\n        if (this.trackPosition) {\n            er += `\\nLine: ${this.line}\\nColumn: ${this.column}\\nChar: ${this.c}`;\n        }\n        const error = new Error(er);\n        this.error = error;\n        this.emit('onerror', error);\n        return this;\n    }\n    attrib() {\n        if (!this.strict) {\n            this.attribName = this.attribName[this.looseCase]();\n        }\n        if (this.attribList.indexOf(this.attribName) !== -1 ||\n            this.tag.attributes.hasOwnProperty(this.attribName)) {\n            this.attribName = this.attribValue = '';\n            return;\n        }\n        if (this.opt.xmlns) {\n            const qn = SAX.qname(this.attribName, true);\n            const prefix = qn.prefix;\n            const local = qn.local;\n            if (prefix === 'xmlns') {\n                // namespace binding attribute. push the binding into scope\n                if (local === 'xml' && this.attribValue !== this.XML_NAMESPACE) {\n                    this.strictFail(`xml: prefix must be bound to ${this.XML_NAMESPACE}\\n` + `Actual: ${this.attribValue}`);\n                }\n                else if (local === 'xmlns' && this.attribValue !== this.XMLNS_NAMESPACE) {\n                    this.strictFail(`xmlns: prefix must be bound to ${this.XMLNS_NAMESPACE}\\n` +\n                        `Actual: ${this.attribValue}`);\n                }\n                else {\n                    const tag = this.tag;\n                    const parent = this.tags[this.tags.length - 1] || this;\n                    if (tag.ns === parent.ns) {\n                        tag.ns = Object.create(parent.ns);\n                    }\n                    tag.ns[local] = this.attribValue;\n                }\n            }\n            // defer onattribute events until all attributes have been seen\n            // so any new bindings can take effect. preserve attribute order\n            // so deferred events can be emitted in document order\n            this.attribList.push([this.attribName, this.attribValue]);\n        }\n        else {\n            // in non-xmlns mode, we can emit the event right away\n            this.tag.attributes[this.attribName] = this.attribValue;\n            this.emitNode('onattribute', {\n                name: this.attribName,\n                value: this.attribValue\n            });\n        }\n        this.attribName = this.attribValue = '';\n    }\n    newTag() {\n        if (!this.strict)\n            this.tagName = this.tagName[this.looseCase]();\n        const parent = this.tags[this.tags.length - 1] || this;\n        const tag = (this.tag = { name: this.tagName, attributes: {} });\n        // will be overridden if tag contains an xmlns=\"foo\" or xmlns:foo=\"bar\"\n        if (this.opt.xmlns) {\n            tag.ns = parent.ns;\n        }\n        this.attribList.length = 0;\n        this.emitNode('onopentagstart', tag);\n    }\n    parseEntity() {\n        let entity = this.entity;\n        const entityLC = entity.toLowerCase();\n        let num = NaN;\n        let numStr = '';\n        if (this.ENTITIES[entity]) {\n            return this.ENTITIES[entity];\n        }\n        if (this.ENTITIES[entityLC]) {\n            return this.ENTITIES[entityLC];\n        }\n        entity = entityLC;\n        if (entity.charAt(0) === '#') {\n            if (entity.charAt(1) === 'x') {\n                entity = entity.slice(2);\n                // TODO: remove tslint:disable\n                // tslint:disable-next-line\n                num = parseInt(entity, 16);\n                numStr = num.toString(16);\n            }\n            else {\n                entity = entity.slice(1);\n                // TODO: remove tslint:disable\n                // tslint:disable-next-line\n                num = parseInt(entity, 10);\n                numStr = num.toString(10);\n            }\n        }\n        entity = entity.replace(/^0+/, '');\n        if (isNaN(num) || numStr.toLowerCase() !== entity) {\n            this.strictFail('Invalid character entity');\n            return `&${this.entity};`;\n        }\n        return String.fromCodePoint(num);\n    }\n    beginWhiteSpace(c) {\n        if (c === '<') {\n            this.state = this.S.OPEN_WAKA;\n            this.startTagPosition = this.position;\n        }\n        else if (!SAX.isWhitespace(c)) {\n            // have to process this as a text node.\n            // weird, but happens.\n            this.strictFail('Non-whitespace before first tag.');\n            this.textNode = c;\n            this.state = this.S.TEXT;\n        }\n        else {\n        }\n    }\n    strictFail(message) {\n        if (typeof this !== 'object' || !(this instanceof SAXParser)) {\n            throw new Error('bad call to strictFail');\n        }\n        if (this.strict) {\n            this.errorFunction(message);\n        }\n    }\n    textApplyOptions(text) {\n        if (this.opt.trim)\n            text = text.trim();\n        if (this.opt.normalize)\n            text = text.replace(/\\s+/g, ' ');\n        return text;\n    }\n    emitNode(nodeType, data) {\n        if (this.textNode)\n            this.closeText();\n        this.emit(nodeType, data);\n    }\n    closeText() {\n        this.textNode = this.textApplyOptions(this.textNode);\n        // TODO: figure out why this.textNode can be \"\" and \"undefined\"\n        if (this.textNode !== undefined && this.textNode !== '' && this.textNode !== 'undefined') {\n            this.emit('ontext', this.textNode);\n        }\n        this.textNode = '';\n    }\n    checkBufferLength() {\n        const maxAllowed = Math.max(this.opt.MAX_BUFFER_LENGTH, 10);\n        let maxActual = 0;\n        for (let i = 0, l = this.BUFFERS.length; i < l; i++) {\n            const len = this[this.BUFFERS[i]]?.length || 0;\n            if (len > maxAllowed) {\n                // Text/cdata nodes can get big, and since they're buffered,\n                // we can get here under normal conditions.\n                // Avoid issues by emitting the text node now,\n                // so at least it won't get any bigger.\n                switch (this.BUFFERS[i]) {\n                    case 'textNode':\n                        this.closeText();\n                        break;\n                    case 'cdata':\n                        this.emitNode('oncdata', this.cdata);\n                        this.cdata = '';\n                        break;\n                    case 'script':\n                        this.emitNode('onscript', this.script);\n                        this.script = '';\n                        break;\n                    default:\n                        this.errorFunction(`Max buffer length exceeded: ${this.BUFFERS[i]}`);\n                }\n            }\n            maxActual = Math.max(maxActual, len);\n        }\n        // schedule the next check for the earliest possible buffer overrun.\n        const m = this.opt.MAX_BUFFER_LENGTH - maxActual;\n        this.bufferCheckPosition = m + this.position;\n    }\n    openTag(selfClosing) {\n        if (this.opt.xmlns) {\n            // emit namespace binding events\n            const tag = this.tag;\n            // add namespace info to tag\n            const qn = SAX.qname(this.tagName);\n            tag.prefix = qn.prefix;\n            tag.local = qn.local;\n            tag.uri = tag.ns[qn.prefix] || '';\n            if (tag.prefix && !tag.uri) {\n                this.strictFail(`Unbound namespace prefix: ${JSON.stringify(this.tagName)}`);\n                tag.uri = qn.prefix;\n            }\n            const parent = this.tags[this.tags.length - 1] || this;\n            if (tag.ns && parent.ns !== tag.ns) {\n                const that = this;\n                Object.keys(tag.ns).forEach((p) => {\n                    that.emitNode('onopennamespace', {\n                        prefix: p,\n                        uri: tag.ns[p]\n                    });\n                });\n            }\n            // handle deferred onattribute events\n            // Note: do not apply default ns to attributes:\n            //   http://www.w3.org/TR/REC-xml-names/#defaulting\n            for (let i = 0, l = this.attribList.length; i < l; i++) {\n                const nv = this.attribList[i];\n                const name = nv[0];\n                const value = nv[1];\n                const qualName = SAX.qname(name, true);\n                const prefix = qualName.prefix;\n                const local = qualName.local;\n                const uri = prefix === '' ? '' : tag.ns[prefix] || '';\n                const a = {\n                    name,\n                    value,\n                    prefix,\n                    local,\n                    uri\n                };\n                // if there's any attributes with an undefined namespace,\n                // then fail on them now.\n                if (prefix && prefix !== 'xmlns' && !uri) {\n                    this.strictFail(`Unbound namespace prefix: ${JSON.stringify(prefix)}`);\n                    a.uri = prefix;\n                }\n                this.tag.attributes[name] = a;\n                this.emitNode('onattribute', a);\n            }\n            this.attribList.length = 0;\n        }\n        this.tag.isSelfClosing = Boolean(selfClosing);\n        // process the tag\n        this.sawRoot = true;\n        this.tags.push(this.tag);\n        this.emitNode('onopentag', this.tag);\n        if (!selfClosing) {\n            // special case for <script> in non-strict mode.\n            if (!this.noscript && this.tagName.toLowerCase() === 'script') {\n                this.state = this.S.SCRIPT;\n            }\n            else {\n                this.state = this.S.TEXT;\n            }\n            this.tag = null;\n            this.tagName = '';\n        }\n        this.attribName = this.attribValue = '';\n        this.attribList.length = 0;\n    }\n    closeTag() {\n        if (!this.tagName) {\n            this.strictFail('Weird empty close tag.');\n            this.textNode += '</>';\n            this.state = this.S.TEXT;\n            return;\n        }\n        if (this.script) {\n            if (this.tagName !== 'script') {\n                this.script += `</${this.tagName}>`;\n                this.tagName = '';\n                this.state = this.S.SCRIPT;\n                return;\n            }\n            this.emitNode('onscript', this.script);\n            this.script = '';\n        }\n        // first make sure that the closing tag actually exists.\n        // <a><b></c></b></a> will close everything, otherwise.\n        let t = this.tags.length;\n        let tagName = this.tagName;\n        if (!this.strict) {\n            tagName = tagName[this.looseCase]();\n        }\n        while (t--) {\n            const close = this.tags[t];\n            if (close.name !== tagName) {\n                // fail the first time in strict mode\n                this.strictFail('Unexpected close tag');\n            }\n            else {\n                break;\n            }\n        }\n        // didn't find it.  we already failed for strict, so just abort.\n        if (t < 0) {\n            this.strictFail(`Unmatched closing tag: ${this.tagName}`);\n            this.textNode += `</${this.tagName}>`;\n            this.state = this.S.TEXT;\n            return;\n        }\n        this.tagName = tagName;\n        let s = this.tags.length;\n        while (s-- > t) {\n            const tag = (this.tag = this.tags.pop());\n            this.tagName = this.tag.name;\n            this.emitNode('onclosetag', this.tagName);\n            const x = {};\n            for (const i in tag.ns) {\n                if (tag.ns.hasOwnProperty(i)) {\n                    x[i] = tag.ns[i];\n                }\n            }\n            const parent = this.tags[this.tags.length - 1] || this;\n            if (this.opt.xmlns && tag.ns !== parent.ns) {\n                // remove namespace bindings introduced by tag\n                const that = this;\n                Object.keys(tag.ns).forEach((p) => {\n                    const n = tag.ns[p];\n                    that.emitNode('onclosenamespace', { prefix: p, uri: n });\n                });\n            }\n        }\n        if (t === 0)\n            this.closedRoot = true;\n        this.tagName = this.attribValue = this.attribName = '';\n        this.attribList.length = 0;\n        this.state = this.S.TEXT;\n    }\n}\n/**\n *\n * @todo Weird inheritance, with some variables initialized in subclass\n */\nexport class SAXParser extends SAX {\n    static ENTITIES = ENTITIES;\n    opt = DEFAULT_SAX_PARSER_OPTIONS;\n    events = DEFAULT_SAX_EVENTS;\n    constructor(opt) {\n        super();\n        this.clearBuffers();\n        this.opt = opt = { ...this.opt, ...opt };\n        this.events = { ...this.events, ...opt };\n        this.q = this.c = '';\n        this.opt.lowercase = this.opt.lowercase || this.opt.lowercasetags;\n        this.bufferCheckPosition = this.opt.MAX_BUFFER_LENGTH;\n        this.looseCase = this.opt.lowercase ? 'toLo