export const Quote = {
  xml(text: string): string {
    return text.replace(/[<>"&']/g, (m) => {
      switch (m) {
        case "<":
          return "&lt;";
        case ">":
          return "&gt;";
        case "&":
          return "&amp;";
        case '"':
          return "&quot;";
        case "'":
          return "&apos;";
        default:
          return m;
      }
    });
  },

  unXml(text: string): string {
    const cdataMatch = text.match(/^<!\[CDATA\[(.+?)\]\]>$/);
    return cdataMatch
      ? cdataMatch[1]
      : text.replace(/&([a-z]+);/g, (m, inner: string) => {
          switch (inner) {
            case "lt":
              return "<";
            case "gt":
              return ">";
            case "amp":
              return "&";
            case "quot":
              return '"';
            case "apos":
              return "'";
            default:
              return m;
          }
        });
  },

  html(text: string): string {
    return Quote.xml(text);
  },

  tmc(text: string): string {
    return text.replace(/\]/g, "");
  },
};