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

This is a forked rocketrml mapper for the RDF mapping language

let xpathIterator;
try {
  // eslint-disable-next-line global-require,import/no-extraneous-dependencies
  xpathIterator = require('xpath-iterator');
} catch (e) {
  // not installed
}

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

class XmlParser {
  constructor(inputPath, iterator, options) {
    const xmlStr = helper.readFileString(inputPath, options);
    if (!xpathIterator) {
      throw new Error(
        'Xpath-iterator not installed, cannot run with xpathLib:"pugixml"',
      );
    }
    this.xpathWrapper = new xpathIterator.XpathWrapper(xmlStr, iterator);
  }

  getCount() {
    return this.xpathWrapper.getNumElems();
  }

  getData(index, selector) {
    if (selector.startsWith('PATH~')) {
      throw new Error('PATH~ currently not supported in XML performance mode');
    }
    return this.xpathWrapper.getData(index, selector);
  }

  free() {
    this.xpathWrapper.free();
  }
}

module.exports = XmlParser;