1  export class xml {
 2    static header = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
 3  
 4    static envelope(body: string): string {
 5      // aliases to make it shorter...
 6      const xmlns = "xmlns";
 7      const w3 = "http://www.w3.org/2001/XMLSchema";
 8      const schemas = "http://schemas.xmlsoap.org/soap/";
 9  
10      return `<v:Envelope ${xmlns}:i="${w3}-instance" ${xmlns}:d="${w3}" ${xmlns}:c="${schemas}encoding/" ${xmlns}:v="${schemas}envelope/"><v:Header/><v:Body>${body}</v:Body></v:Envelope>`;
11    }
12  
13    static from_entities(encoded: string): string {
14      return encoded
15        .replace(/\&lt;/g, "<")
16        .replace(/\&gt;/g, ">")
17        // https://stackoverflow.com/a/27020300
18        .replace(/&#\d+;/gm, function (s) {
19          // @ts-expect-error : we know it's a number
20          return String.fromCharCode(s.match(/\d+/gm)[0]);
21        });
22    }
23  
24    static property(name: string, value: string, type = "string"): string {
25      return `<${name} i:type="d:${type}">${this.to_entities(value)}</${name}>`;
26    }
27  
28    static to_entities(decoded: string): string {
29      return decoded
30        // https://stackoverflow.com/a/27020300
31        .replace(/./gm, (s) => {
32          return (s.match(/[.<>a-z0-9\s]+/i))
33            ? s
34            : "&#" + s.charCodeAt(0) + ";";
35        })
36        .replace(/</g, "&lt;")
37        .replace(/>/g, "&gt;");
38    }
39  }