109 lines
3.5 KiB
JavaScript
109 lines
3.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parseXml = exports.XElement = void 0;
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const sax = require("sax");
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const index_1 = require("./index");
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class XElement {
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constructor(name) {
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this.name = name;
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this.value = "";
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this.attributes = null;
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this.isCData = false;
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this.elements = null;
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if (!name) {
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throw (0, index_1.newError)("Element name cannot be empty", "ERR_XML_ELEMENT_NAME_EMPTY");
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}
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if (!isValidName(name)) {
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throw (0, index_1.newError)(`Invalid element name: ${name}`, "ERR_XML_ELEMENT_INVALID_NAME");
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}
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}
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attribute(name) {
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const result = this.attributes === null ? null : this.attributes[name];
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if (result == null) {
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throw (0, index_1.newError)(`No attribute "${name}"`, "ERR_XML_MISSED_ATTRIBUTE");
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}
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return result;
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}
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removeAttribute(name) {
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if (this.attributes !== null) {
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delete this.attributes[name];
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}
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}
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element(name, ignoreCase = false, errorIfMissed = null) {
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const result = this.elementOrNull(name, ignoreCase);
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if (result === null) {
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throw (0, index_1.newError)(errorIfMissed || `No element "${name}"`, "ERR_XML_MISSED_ELEMENT");
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}
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return result;
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}
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elementOrNull(name, ignoreCase = false) {
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if (this.elements === null) {
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return null;
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}
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for (const element of this.elements) {
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if (isNameEquals(element, name, ignoreCase)) {
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return element;
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}
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}
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return null;
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}
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getElements(name, ignoreCase = false) {
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if (this.elements === null) {
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return [];
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}
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return this.elements.filter(it => isNameEquals(it, name, ignoreCase));
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}
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elementValueOrEmpty(name, ignoreCase = false) {
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const element = this.elementOrNull(name, ignoreCase);
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return element === null ? "" : element.value;
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}
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}
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exports.XElement = XElement;
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const NAME_REG_EXP = new RegExp(/^[A-Za-z_][:A-Za-z0-9_-]*$/i);
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function isValidName(name) {
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return NAME_REG_EXP.test(name);
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}
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function isNameEquals(element, name, ignoreCase) {
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const elementName = element.name;
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return elementName === name || (ignoreCase === true && elementName.length === name.length && elementName.toLowerCase() === name.toLowerCase());
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}
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function parseXml(data) {
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let rootElement = null;
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const parser = sax.parser(true, {});
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const elements = [];
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parser.onopentag = saxElement => {
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const element = new XElement(saxElement.name);
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element.attributes = saxElement.attributes;
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if (rootElement === null) {
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rootElement = element;
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}
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else {
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const parent = elements[elements.length - 1];
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if (parent.elements == null) {
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parent.elements = [];
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}
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parent.elements.push(element);
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}
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elements.push(element);
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};
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parser.onclosetag = () => {
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elements.pop();
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};
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parser.ontext = text => {
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if (elements.length > 0) {
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elements[elements.length - 1].value = text;
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}
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};
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parser.oncdata = cdata => {
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const element = elements[elements.length - 1];
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element.value = cdata;
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element.isCData = true;
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};
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parser.onerror = err => {
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throw err;
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};
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parser.write(data);
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return rootElement;
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}
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exports.parseXml = parseXml;
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//# sourceMappingURL=xml.js.map
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