ui
This commit is contained in:
+371
@@ -0,0 +1,371 @@
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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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 Tokenizer_1 = __importDefault(require("./Tokenizer"));
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var events_1 = require("events");
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var formTags = new Set([
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"input",
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"option",
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"optgroup",
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"select",
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"button",
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"datalist",
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"textarea"
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]);
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var pTag = new Set(["p"]);
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var openImpliesClose = {
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tr: new Set(["tr", "th", "td"]),
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th: new Set(["th"]),
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td: new Set(["thead", "th", "td"]),
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body: new Set(["head", "link", "script"]),
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li: new Set(["li"]),
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p: pTag,
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h1: pTag,
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h2: pTag,
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h3: pTag,
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h4: pTag,
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h5: pTag,
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h6: pTag,
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select: formTags,
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input: formTags,
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output: formTags,
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button: formTags,
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datalist: formTags,
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textarea: formTags,
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option: new Set(["option"]),
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optgroup: new Set(["optgroup", "option"]),
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dd: new Set(["dt", "dd"]),
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dt: new Set(["dt", "dd"]),
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address: pTag,
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article: pTag,
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aside: pTag,
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blockquote: pTag,
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details: pTag,
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div: pTag,
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dl: pTag,
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fieldset: pTag,
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figcaption: pTag,
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figure: pTag,
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footer: pTag,
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form: pTag,
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header: pTag,
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hr: pTag,
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main: pTag,
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nav: pTag,
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ol: pTag,
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pre: pTag,
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section: pTag,
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table: pTag,
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ul: pTag,
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rt: new Set(["rt", "rp"]),
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rp: new Set(["rt", "rp"]),
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tbody: new Set(["thead", "tbody"]),
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tfoot: new Set(["thead", "tbody"])
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};
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var voidElements = new Set([
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"area",
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"base",
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"basefont",
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"br",
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"col",
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"command",
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"embed",
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"frame",
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"hr",
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"img",
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"input",
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"isindex",
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"keygen",
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"link",
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"meta",
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"param",
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"source",
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"track",
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"wbr"
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]);
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var foreignContextElements = new Set(["math", "svg"]);
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var htmlIntegrationElements = new Set([
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"mi",
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"mo",
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"mn",
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"ms",
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"mtext",
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"annotation-xml",
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"foreignObject",
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"desc",
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"title"
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]);
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var reNameEnd = /\s|\//;
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var Parser = /** @class */ (function (_super) {
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__extends(Parser, _super);
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function Parser(cbs, options) {
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var _this = _super.call(this) || this;
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_this._tagname = "";
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_this._attribname = "";
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_this._attribvalue = "";
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_this._attribs = null;
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_this._stack = [];
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_this._foreignContext = [];
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_this.startIndex = 0;
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_this.endIndex = null;
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// Aliases for backwards compatibility
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_this.parseChunk = Parser.prototype.write;
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_this.done = Parser.prototype.end;
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_this._options = options || {};
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_this._cbs = cbs || {};
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_this._tagname = "";
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_this._attribname = "";
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_this._attribvalue = "";
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_this._attribs = null;
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_this._stack = [];
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_this._foreignContext = [];
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_this.startIndex = 0;
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_this.endIndex = null;
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_this._lowerCaseTagNames =
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"lowerCaseTags" in _this._options
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? !!_this._options.lowerCaseTags
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: !_this._options.xmlMode;
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_this._lowerCaseAttributeNames =
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"lowerCaseAttributeNames" in _this._options
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? !!_this._options.lowerCaseAttributeNames
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: !_this._options.xmlMode;
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_this._tokenizer = new (_this._options.Tokenizer || Tokenizer_1.default)(_this._options, _this);
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if (_this._cbs.onparserinit)
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_this._cbs.onparserinit(_this);
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return _this;
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}
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Parser.prototype._updatePosition = function (initialOffset) {
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if (this.endIndex === null) {
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if (this._tokenizer._sectionStart <= initialOffset) {
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this.startIndex = 0;
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}
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else {
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this.startIndex = this._tokenizer._sectionStart - initialOffset;
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}
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}
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else
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this.startIndex = this.endIndex + 1;
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this.endIndex = this._tokenizer.getAbsoluteIndex();
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};
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//Tokenizer event handlers
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Parser.prototype.ontext = function (data) {
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this._updatePosition(1);
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// @ts-ignore
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this.endIndex--;
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if (this._cbs.ontext)
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this._cbs.ontext(data);
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};
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Parser.prototype.onopentagname = function (name) {
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if (this._lowerCaseTagNames) {
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name = name.toLowerCase();
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}
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this._tagname = name;
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if (!this._options.xmlMode &&
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Object.prototype.hasOwnProperty.call(openImpliesClose, name)) {
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for (var el = void 0;
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// @ts-ignore
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openImpliesClose[name].has((el = this._stack[this._stack.length - 1])); this.onclosetag(el))
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;
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}
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if (this._options.xmlMode || !voidElements.has(name)) {
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this._stack.push(name);
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if (foreignContextElements.has(name)) {
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this._foreignContext.push(true);
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}
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else if (htmlIntegrationElements.has(name)) {
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this._foreignContext.push(false);
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}
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}
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if (this._cbs.onopentagname)
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this._cbs.onopentagname(name);
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if (this._cbs.onopentag)
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this._attribs = {};
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};
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Parser.prototype.onopentagend = function () {
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this._updatePosition(1);
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if (this._attribs) {
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if (this._cbs.onopentag) {
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this._cbs.onopentag(this._tagname, this._attribs);
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}
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this._attribs = null;
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}
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if (!this._options.xmlMode &&
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this._cbs.onclosetag &&
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voidElements.has(this._tagname)) {
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this._cbs.onclosetag(this._tagname);
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}
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this._tagname = "";
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};
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Parser.prototype.onclosetag = function (name) {
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this._updatePosition(1);
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if (this._lowerCaseTagNames) {
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name = name.toLowerCase();
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}
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if (foreignContextElements.has(name) ||
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htmlIntegrationElements.has(name)) {
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this._foreignContext.pop();
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}
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if (this._stack.length &&
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(this._options.xmlMode || !voidElements.has(name))) {
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var pos = this._stack.lastIndexOf(name);
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if (pos !== -1) {
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if (this._cbs.onclosetag) {
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pos = this._stack.length - pos;
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// @ts-ignore
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while (pos--)
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this._cbs.onclosetag(this._stack.pop());
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}
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else
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this._stack.length = pos;
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}
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else if (name === "p" && !this._options.xmlMode) {
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this.onopentagname(name);
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this._closeCurrentTag();
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}
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}
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else if (!this._options.xmlMode && (name === "br" || name === "p")) {
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this.onopentagname(name);
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this._closeCurrentTag();
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}
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};
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Parser.prototype.onselfclosingtag = function () {
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if (this._options.xmlMode ||
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this._options.recognizeSelfClosing ||
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this._foreignContext[this._foreignContext.length - 1]) {
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this._closeCurrentTag();
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}
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else {
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this.onopentagend();
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}
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};
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Parser.prototype._closeCurrentTag = function () {
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var name = this._tagname;
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this.onopentagend();
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//self-closing tags will be on the top of the stack
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//(cheaper check than in onclosetag)
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if (this._stack[this._stack.length - 1] === name) {
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if (this._cbs.onclosetag) {
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this._cbs.onclosetag(name);
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}
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this._stack.pop();
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}
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};
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Parser.prototype.onattribname = function (name) {
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if (this._lowerCaseAttributeNames) {
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name = name.toLowerCase();
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}
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this._attribname = name;
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};
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Parser.prototype.onattribdata = function (value) {
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this._attribvalue += value;
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};
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Parser.prototype.onattribend = function () {
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if (this._cbs.onattribute)
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this._cbs.onattribute(this._attribname, this._attribvalue);
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if (this._attribs &&
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!Object.prototype.hasOwnProperty.call(this._attribs, this._attribname)) {
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this._attribs[this._attribname] = this._attribvalue;
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}
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this._attribname = "";
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this._attribvalue = "";
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};
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Parser.prototype._getInstructionName = function (value) {
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var idx = value.search(reNameEnd);
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var name = idx < 0 ? value : value.substr(0, idx);
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if (this._lowerCaseTagNames) {
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name = name.toLowerCase();
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}
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return name;
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};
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Parser.prototype.ondeclaration = function (value) {
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if (this._cbs.onprocessinginstruction) {
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var name_1 = this._getInstructionName(value);
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this._cbs.onprocessinginstruction("!" + name_1, "!" + value);
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}
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};
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Parser.prototype.onprocessinginstruction = function (value) {
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if (this._cbs.onprocessinginstruction) {
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var name_2 = this._getInstructionName(value);
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this._cbs.onprocessinginstruction("?" + name_2, "?" + value);
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}
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};
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Parser.prototype.oncomment = function (value) {
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this._updatePosition(4);
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if (this._cbs.oncomment)
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this._cbs.oncomment(value);
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if (this._cbs.oncommentend)
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this._cbs.oncommentend();
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};
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Parser.prototype.oncdata = function (value) {
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this._updatePosition(1);
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if (this._options.xmlMode || this._options.recognizeCDATA) {
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if (this._cbs.oncdatastart)
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this._cbs.oncdatastart();
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if (this._cbs.ontext)
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this._cbs.ontext(value);
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if (this._cbs.oncdataend)
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this._cbs.oncdataend();
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}
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else {
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this.oncomment("[CDATA[" + value + "]]");
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}
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};
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Parser.prototype.onerror = function (err) {
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if (this._cbs.onerror)
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this._cbs.onerror(err);
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};
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Parser.prototype.onend = function () {
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if (this._cbs.onclosetag) {
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for (var i = this._stack.length; i > 0; this._cbs.onclosetag(this._stack[--i]))
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;
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}
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if (this._cbs.onend)
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this._cbs.onend();
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};
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//Resets the parser to a blank state, ready to parse a new HTML document
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Parser.prototype.reset = function () {
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if (this._cbs.onreset)
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this._cbs.onreset();
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this._tokenizer.reset();
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this._tagname = "";
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this._attribname = "";
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this._attribs = null;
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this._stack = [];
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if (this._cbs.onparserinit)
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this._cbs.onparserinit(this);
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};
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//Parses a complete HTML document and pushes it to the handler
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Parser.prototype.parseComplete = function (data) {
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this.reset();
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this.end(data);
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};
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Parser.prototype.write = function (chunk) {
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this._tokenizer.write(chunk);
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};
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Parser.prototype.end = function (chunk) {
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this._tokenizer.end(chunk);
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};
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Parser.prototype.pause = function () {
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this._tokenizer.pause();
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};
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Parser.prototype.resume = function () {
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this._tokenizer.resume();
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};
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return Parser;
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}(events_1.EventEmitter));
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exports.Parser = Parser;
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