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Direktori : /var/www/html/node_modules/domhandler/lib/ |
Current File : /var/www/html/node_modules/domhandler/lib/index.js |
"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __exportStar = (this && this.__exportStar) || function(m, exports) { for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p); }; Object.defineProperty(exports, "__esModule", { value: true }); exports.DomHandler = void 0; var domelementtype_1 = require("domelementtype"); var node_js_1 = require("./node.js"); __exportStar(require("./node.js"), exports); // Default options var defaultOpts = { withStartIndices: false, withEndIndices: false, xmlMode: false, }; var DomHandler = /** @class */ (function () { /** * @param callback Called once parsing has completed. * @param options Settings for the handler. * @param elementCB Callback whenever a tag is closed. */ function DomHandler(callback, options, elementCB) { /** The elements of the DOM */ this.dom = []; /** The root element for the DOM */ this.root = new node_js_1.Document(this.dom); /** Indicated whether parsing has been completed. */ this.done = false; /** Stack of open tags. */ this.tagStack = [this.root]; /** A data node that is still being written to. */ this.lastNode = null; /** Reference to the parser instance. Used for location information. */ this.parser = null; // Make it possible to skip arguments, for backwards-compatibility if (typeof options === "function") { elementCB = options; options = defaultOpts; } if (typeof callback === "object") { options = callback; callback = undefined; } this.callback = callback !== null && callback !== void 0 ? callback : null; this.options = options !== null && options !== void 0 ? options : defaultOpts; this.elementCB = elementCB !== null && elementCB !== void 0 ? elementCB : null; } DomHandler.prototype.onparserinit = function (parser) { this.parser = parser; }; // Resets the handler back to starting state DomHandler.prototype.onreset = function () { this.dom = []; this.root = new node_js_1.Document(this.dom); this.done = false; this.tagStack = [this.root]; this.lastNode = null; this.parser = null; }; // Signals the handler that parsing is done DomHandler.prototype.onend = function () { if (this.done) return; this.done = true; this.parser = null; this.handleCallback(null); }; DomHandler.prototype.onerror = function (error) { this.handleCallback(error); }; DomHandler.prototype.onclosetag = function () { this.lastNode = null; var elem = this.tagStack.pop(); if (this.options.withEndIndices) { elem.endIndex = this.parser.endIndex; } if (this.elementCB) this.elementCB(elem); }; DomHandler.prototype.onopentag = function (name, attribs) { var type = this.options.xmlMode ? domelementtype_1.ElementType.Tag : undefined; var element = new node_js_1.Element(name, attribs, undefined, type); this.addNode(element); this.tagStack.push(element); }; DomHandler.prototype.ontext = function (data) { var lastNode = this.lastNode; if (lastNode && lastNode.type === domelementtype_1.ElementType.Text) { lastNode.data += data; if (this.options.withEndIndices) { lastNode.endIndex = this.parser.endIndex; } } else { var node = new node_js_1.Text(data); this.addNode(node); this.lastNode = node; } }; DomHandler.prototype.oncomment = function (data) { if (this.lastNode && this.lastNode.type === domelementtype_1.ElementType.Comment) { this.lastNode.data += data; return; } var node = new node_js_1.Comment(data); this.addNode(node); this.lastNode = node; }; DomHandler.prototype.oncommentend = function () { this.lastNode = null; }; DomHandler.prototype.oncdatastart = function () { var text = new node_js_1.Text(""); var node = new node_js_1.CDATA([text]); this.addNode(node); text.parent = node; this.lastNode = text; }; DomHandler.prototype.oncdataend = function () { this.lastNode = null; }; DomHandler.prototype.onprocessinginstruction = function (name, data) { var node = new node_js_1.ProcessingInstruction(name, data); this.addNode(node); }; DomHandler.prototype.handleCallback = function (error) { if (typeof this.callback === "function") { this.callback(error, this.dom); } else if (error) { throw error; } }; DomHandler.prototype.addNode = function (node) { var parent = this.tagStack[this.tagStack.length - 1]; var previousSibling = parent.children[parent.children.length - 1]; if (this.options.withStartIndices) { node.startIndex = this.parser.startIndex; } if (this.options.withEndIndices) { node.endIndex = this.parser.endIndex; } parent.children.push(node); if (previousSibling) { node.prev = previousSibling; previousSibling.next = node; } node.parent = parent; this.lastNode = null; }; return DomHandler; }()); exports.DomHandler = DomHandler; exports.default = DomHandler;