82 lines
2.4 KiB
TypeScript
82 lines
2.4 KiB
TypeScript
// tslint:disable:no-any
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import { Element as XmlElement, xml2js } from "xml-js";
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import { IXmlableObject, XmlAttributeComponent, XmlComponent } from ".";
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import { IContext } from "./base";
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/**
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* Converts the given xml element (in json format) into XmlComponent.
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* @param element the xml element in json presentation
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*/
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export function convertToXmlComponent(element: XmlElement): ImportedXmlComponent | string | undefined {
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switch (element.type) {
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case undefined:
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case "element":
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const xmlComponent = new ImportedXmlComponent(element.name as string, element.attributes);
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const childElements = element.elements || [];
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for (const childElm of childElements) {
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const child = convertToXmlComponent(childElm);
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if (child !== undefined) {
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xmlComponent.push(child);
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}
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}
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return xmlComponent;
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case "text":
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return element.text as string;
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default:
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return undefined;
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}
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}
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class ImportedXmlComponentAttributes extends XmlAttributeComponent<any> {
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// noop
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}
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/**
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* Represents imported xml component from xml file.
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*/
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export class ImportedXmlComponent extends XmlComponent {
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/**
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* Converts the xml string to a XmlComponent tree.
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*
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* @param importedContent xml content of the imported component
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*/
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public static fromXmlString(importedContent: string): ImportedXmlComponent {
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const xmlObj = xml2js(importedContent, { compact: false }) as XmlElement;
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return convertToXmlComponent(xmlObj) as ImportedXmlComponent;
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}
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/**
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* Converts the xml string to a XmlComponent tree.
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*
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* @param importedContent xml content of the imported component
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*/
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// tslint:disable-next-line:variable-name
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constructor(rootKey: string, _attr?: any) {
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super(rootKey);
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if (_attr) {
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this.root.push(new ImportedXmlComponentAttributes(_attr));
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}
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}
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public push(xmlComponent: XmlComponent | string): void {
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this.root.push(xmlComponent);
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}
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}
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/**
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* Used for the attributes of root element that is being imported.
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*/
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export class ImportedRootElementAttributes extends XmlComponent {
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// tslint:disable-next-line:variable-name
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constructor(private readonly _attr: any) {
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super("");
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}
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public prepForXml(_: IContext): IXmlableObject {
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return {
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_attr: this._attr,
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};
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}
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}
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