sparql.js

var Parser = require('./lib/SparqlParser').Parser;
var Generator = require('./lib/SparqlGenerator');
var Wildcard = require("./lib/Wildcard").Wildcard;
var N3 = require('n3');

module.exports = {
  /**
   * Creates a SPARQL parser with the given pre-defined prefixes and base IRI
   * @param prefixes { [prefix: string]: string }
   * @param baseIRI string
   */
  Parser: function ({ prefixes, baseIRI, factory } = {}) {
    // Create a copy of the prefixes
    var prefixesCopy = {};
    for (var prefix in prefixes || {})
      prefixesCopy[prefix] = prefixes[prefix];

    // Create a new parser with the given prefixes
    // (Workaround for https://github.com/zaach/jison/issues/241)
    var parser = new Parser();
    parser.parse = function () {
      Parser.base = baseIRI || '';
      Parser.prefixes = Object.create(prefixesCopy);
      Parser.factory = factory || N3.DataFactory;
      return Parser.prototype.parse.apply(parser, arguments);
    };
    parser._resetBlanks = Parser._resetBlanks;
    return parser;
  },
  Generator: Generator,
  Wildcard: Wildcard,
};