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Current File : /home/forge/client.paradigma.so/node_modules/htmlparser2/lib/Parser.js
"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var Tokenizer_1 = __importDefault(require("./Tokenizer"));
var events_1 = require("events");
var formTags = new Set([
    "input",
    "option",
    "optgroup",
    "select",
    "button",
    "datalist",
    "textarea"
]);
var pTag = new Set(["p"]);
var openImpliesClose = {
    tr: new Set(["tr", "th", "td"]),
    th: new Set(["th"]),
    td: new Set(["thead", "th", "td"]),
    body: new Set(["head", "link", "script"]),
    li: new Set(["li"]),
    p: pTag,
    h1: pTag,
    h2: pTag,
    h3: pTag,
    h4: pTag,
    h5: pTag,
    h6: pTag,
    select: formTags,
    input: formTags,
    output: formTags,
    button: formTags,
    datalist: formTags,
    textarea: formTags,
    option: new Set(["option"]),
    optgroup: new Set(["optgroup", "option"]),
    dd: new Set(["dt", "dd"]),
    dt: new Set(["dt", "dd"]),
    address: pTag,
    article: pTag,
    aside: pTag,
    blockquote: pTag,
    details: pTag,
    div: pTag,
    dl: pTag,
    fieldset: pTag,
    figcaption: pTag,
    figure: pTag,
    footer: pTag,
    form: pTag,
    header: pTag,
    hr: pTag,
    main: pTag,
    nav: pTag,
    ol: pTag,
    pre: pTag,
    section: pTag,
    table: pTag,
    ul: pTag,
    rt: new Set(["rt", "rp"]),
    rp: new Set(["rt", "rp"]),
    tbody: new Set(["thead", "tbody"]),
    tfoot: new Set(["thead", "tbody"])
};
var voidElements = new Set([
    "area",
    "base",
    "basefont",
    "br",
    "col",
    "command",
    "embed",
    "frame",
    "hr",
    "img",
    "input",
    "isindex",
    "keygen",
    "link",
    "meta",
    "param",
    "source",
    "track",
    "wbr"
]);
var foreignContextElements = new Set(["math", "svg"]);
var htmlIntegrationElements = new Set([
    "mi",
    "mo",
    "mn",
    "ms",
    "mtext",
    "annotation-xml",
    "foreignObject",
    "desc",
    "title"
]);
var reNameEnd = /\s|\//;
var Parser = /** @class */ (function (_super) {
    __extends(Parser, _super);
    function Parser(cbs, options) {
        var _this = _super.call(this) || this;
        _this._tagname = "";
        _this._attribname = "";
        _this._attribvalue = "";
        _this._attribs = null;
        _this._stack = [];
        _this._foreignContext = [];
        _this.startIndex = 0;
        _this.endIndex = null;
        // Aliases for backwards compatibility
        _this.parseChunk = Parser.prototype.write;
        _this.done = Parser.prototype.end;
        _this._options = options || {};
        _this._cbs = cbs || {};
        _this._tagname = "";
        _this._attribname = "";
        _this._attribvalue = "";
        _this._attribs = null;
        _this._stack = [];
        _this._foreignContext = [];
        _this.startIndex = 0;
        _this.endIndex = null;
        _this._lowerCaseTagNames =
            "lowerCaseTags" in _this._options
                ? !!_this._options.lowerCaseTags
                : !_this._options.xmlMode;
        _this._lowerCaseAttributeNames =
            "lowerCaseAttributeNames" in _this._options
                ? !!_this._options.lowerCaseAttributeNames
                : !_this._options.xmlMode;
        _this._tokenizer = new (_this._options.Tokenizer || Tokenizer_1.default)(_this._options, _this);
        if (_this._cbs.onparserinit)
            _this._cbs.onparserinit(_this);
        return _this;
    }
    Parser.prototype._updatePosition = function (initialOffset) {
        if (this.endIndex === null) {
            if (this._tokenizer._sectionStart <= initialOffset) {
                this.startIndex = 0;
            }
            else {
                this.startIndex = this._tokenizer._sectionStart - initialOffset;
            }
        }
        else
            this.startIndex = this.endIndex + 1;
        this.endIndex = this._tokenizer.getAbsoluteIndex();
    };
    //Tokenizer event handlers
    Parser.prototype.ontext = function (data) {
        this._updatePosition(1);
        // @ts-ignore
        this.endIndex--;
        if (this._cbs.ontext)
            this._cbs.ontext(data);
    };
    Parser.prototype.onopentagname = function (name) {
        if (this._lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        this._tagname = name;
        if (!this._options.xmlMode &&
            Object.prototype.hasOwnProperty.call(openImpliesClose, name)) {
            for (var el = void 0; 
            // @ts-ignore
            openImpliesClose[name].has((el = this._stack[this._stack.length - 1])); this.onclosetag(el))
                ;
        }
        if (this._options.xmlMode || !voidElements.has(name)) {
            this._stack.push(name);
            if (foreignContextElements.has(name)) {
                this._foreignContext.push(true);
            }
            else if (htmlIntegrationElements.has(name)) {
                this._foreignContext.push(false);
            }
        }
        if (this._cbs.onopentagname)
            this._cbs.onopentagname(name);
        if (this._cbs.onopentag)
            this._attribs = {};
    };
    Parser.prototype.onopentagend = function () {
        this._updatePosition(1);
        if (this._attribs) {
            if (this._cbs.onopentag) {
                this._cbs.onopentag(this._tagname, this._attribs);
            }
            this._attribs = null;
        }
        if (!this._options.xmlMode &&
            this._cbs.onclosetag &&
            voidElements.has(this._tagname)) {
            this._cbs.onclosetag(this._tagname);
        }
        this._tagname = "";
    };
    Parser.prototype.onclosetag = function (name) {
        this._updatePosition(1);
        if (this._lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        if (foreignContextElements.has(name) ||
            htmlIntegrationElements.has(name)) {
            this._foreignContext.pop();
        }
        if (this._stack.length &&
            (this._options.xmlMode || !voidElements.has(name))) {
            var pos = this._stack.lastIndexOf(name);
            if (pos !== -1) {
                if (this._cbs.onclosetag) {
                    pos = this._stack.length - pos;
                    // @ts-ignore
                    while (pos--)
                        this._cbs.onclosetag(this._stack.pop());
                }
                else
                    this._stack.length = pos;
            }
            else if (name === "p" && !this._options.xmlMode) {
                this.onopentagname(name);
                this._closeCurrentTag();
            }
        }
        else if (!this._options.xmlMode && (name === "br" || name === "p")) {
            this.onopentagname(name);
            this._closeCurrentTag();
        }
    };
    Parser.prototype.onselfclosingtag = function () {
        if (this._options.xmlMode ||
            this._options.recognizeSelfClosing ||
            this._foreignContext[this._foreignContext.length - 1]) {
            this._closeCurrentTag();
        }
        else {
            this.onopentagend();
        }
    };
    Parser.prototype._closeCurrentTag = function () {
        var name = this._tagname;
        this.onopentagend();
        //self-closing tags will be on the top of the stack
        //(cheaper check than in onclosetag)
        if (this._stack[this._stack.length - 1] === name) {
            if (this._cbs.onclosetag) {
                this._cbs.onclosetag(name);
            }
            this._stack.pop();
        }
    };
    Parser.prototype.onattribname = function (name) {
        if (this._lowerCaseAttributeNames) {
            name = name.toLowerCase();
        }
        this._attribname = name;
    };
    Parser.prototype.onattribdata = function (value) {
        this._attribvalue += value;
    };
    Parser.prototype.onattribend = function () {
        if (this._cbs.onattribute)
            this._cbs.onattribute(this._attribname, this._attribvalue);
        if (this._attribs &&
            !Object.prototype.hasOwnProperty.call(this._attribs, this._attribname)) {
            this._attribs[this._attribname] = this._attribvalue;
        }
        this._attribname = "";
        this._attribvalue = "";
    };
    Parser.prototype._getInstructionName = function (value) {
        var idx = value.search(reNameEnd);
        var name = idx < 0 ? value : value.substr(0, idx);
        if (this._lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        return name;
    };
    Parser.prototype.ondeclaration = function (value) {
        if (this._cbs.onprocessinginstruction) {
            var name_1 = this._getInstructionName(value);
            this._cbs.onprocessinginstruction("!" + name_1, "!" + value);
        }
    };
    Parser.prototype.onprocessinginstruction = function (value) {
        if (this._cbs.onprocessinginstruction) {
            var name_2 = this._getInstructionName(value);
            this._cbs.onprocessinginstruction("?" + name_2, "?" + value);
        }
    };
    Parser.prototype.oncomment = function (value) {
        this._updatePosition(4);
        if (this._cbs.oncomment)
            this._cbs.oncomment(value);
        if (this._cbs.oncommentend)
            this._cbs.oncommentend();
    };
    Parser.prototype.oncdata = function (value) {
        this._updatePosition(1);
        if (this._options.xmlMode || this._options.recognizeCDATA) {
            if (this._cbs.oncdatastart)
                this._cbs.oncdatastart();
            if (this._cbs.ontext)
                this._cbs.ontext(value);
            if (this._cbs.oncdataend)
                this._cbs.oncdataend();
        }
        else {
            this.oncomment("[CDATA[" + value + "]]");
        }
    };
    Parser.prototype.onerror = function (err) {
        if (this._cbs.onerror)
            this._cbs.onerror(err);
    };
    Parser.prototype.onend = function () {
        if (this._cbs.onclosetag) {
            for (var i = this._stack.length; i > 0; this._cbs.onclosetag(this._stack[--i]))
                ;
        }
        if (this._cbs.onend)
            this._cbs.onend();
    };
    //Resets the parser to a blank state, ready to parse a new HTML document
    Parser.prototype.reset = function () {
        if (this._cbs.onreset)
            this._cbs.onreset();
        this._tokenizer.reset();
        this._tagname = "";
        this._attribname = "";
        this._attribs = null;
        this._stack = [];
        if (this._cbs.onparserinit)
            this._cbs.onparserinit(this);
    };
    //Parses a complete HTML document and pushes it to the handler
    Parser.prototype.parseComplete = function (data) {
        this.reset();
        this.end(data);
    };
    Parser.prototype.write = function (chunk) {
        this._tokenizer.write(chunk);
    };
    Parser.prototype.end = function (chunk) {
        this._tokenizer.end(chunk);
    };
    Parser.prototype.pause = function () {
        this._tokenizer.pause();
    };
    Parser.prototype.resume = function () {
        this._tokenizer.resume();
    };
    return Parser;
}(events_1.EventEmitter));
exports.Parser = Parser;
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