@loaders.gl/wms
Version:
Framework-independent loaders for the WMS (Web Map Service) standard
74 lines (73 loc) • 2.59 kB
JavaScript
// loaders.gl, MIT license
import { XMLLoader } from '@loaders.gl/xml';
/**
* Parses a typed data structure from raw XML for `GetCapabilities` response
* @note Error handlings is fairly weak
*/
export function parseWMTSCapabilities(text, options) {
const parsedXML = XMLLoader.parseTextSync?.(text, { ...options, xml: {
...options?.xml,
removeNSPrefix: true,
uncapitalizeKeys: true
} });
const xmlCapabilities = parsedXML.Capabilities || parsedXML;
return xmlCapabilities;
}
/**
* Parses a typed data structure from raw XML for `GetCapabilities` response
* @note Error handlings is fairly weak
*/
// export function parseWMTSCapabilities(text: string, options): WMTSCapabilities {
// const parsedXML = XMLLoader.parseTextSync(text, options);
// const xmlCapabilities: any =
// parsedXML.WMT_MS_Capabilities || parsedXML.WMS_Capabilities || parsedXML;
// return extractCapabilities(xmlCapabilities);
// }
/** Extract typed capability data from XML */
// function extractCapabilities(xml: any): WMTSCapabilities {
// const capabilities: WMTSCapabilities = {
// name: xml.Service?.Name || 'unnamed',
// title: xml.Service?.Title,
// keywords: [],
// requests: {},
// layer: extractLayer(xml.Capability?.Layer),
// raw: xml
// };
// for (const keyword of xml.Service?.KeywordList?.Keyword || []) {
// capabilities.keywords.push(keyword);
// }
// for (const [name, xmlRequest] of Object.entries(xml.Capability?.Request || {})) {
// capabilities.requests[name] = extractRequest(name, xmlRequest);
// }
// return capabilities;
// }
// /** Extract typed request data from XML */
// function extractRequest(name: string, xmlRequest: any): WMSRequest {
// const format: string | string[] = xmlRequest?.Format;
// const mimeTypes: string[] = Array.isArray(format) ? format : [format];
// return {name, mimeTypes};
// }
// /** Extract request data */
// function extractLayer(xmlLayer: any): WMSLayer {
// const layer: WMSLayer = {
// name: xmlLayer?.Name,
// title: xmlLayer?.Title,
// srs: xmlLayer?.SRS || [],
// layers: []
// };
// // Single layer is not represented as array in XML
// const xmlLayers = getXMLArray(xmlLayer?.Layer);
// for (const xmlSubLayer of xmlLayers) {
// layer.layers?.push(extractLayer(xmlSubLayer));
// }
// return layer;
// }
// function getXMLArray(xmlValue: any) {
// if (Array.isArray(xmlValue)) {
// return xmlValue;
// }
// if (xmlValue) {
// return [xmlValue];
// }
// return [];
// }