@mnakhla/rocketrml/src/input-parser/FontoxpathParser.js

This is a forked rocketrml mapper for the RDF mapping language

const xpath = require('fontoxpath');
const { DOMParser } = require('slimdom');

const helper = require('./helper');

const parseXml = (xml) => new DOMParser().parseFromString(xml, 'text/xml');

xpath.registerCustomXPathFunction(
  'fn:parse-xml',
  ['xs:string'],
  'item()',
  (_, e) => parseXml(e),
);

class XMLParser {
  constructor(inputPath, iterator, options) {
    const doc = helper.readFileString(inputPath, options);
    this.docArray = xpath.evaluateXPathToNodes(
      iterator,
      parseXml(doc),
      null,
      null,
      { language: xpath.evaluateXPath.XPATH_3_1_LANGUAGE },
    );
  }

  getCount() {
    return this.docArray.length;
  }

  getData(index, path) {
    if (path.startsWith('PATH~')) {
      path = `${path.slice(5)}/path()`;
    }
    const object = this.docArray[index];
    const strings = xpath.evaluateXPathToStrings(
      path,
      object,
      null,
      null,
      xpath.evaluateXPath.ANY_TYPE,
      { language: xpath.evaluateXPath.XPATH_3_1_LANGUAGE },
    );
    return strings;
  }
}

module.exports = XMLParser;