/*
 * Copyright (c) 2017 Digital Bazaar, Inc. All rights reserved.
 */
'use strict';

const RDF = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
const XSD = 'http://www.w3.org/2001/XMLSchema#';

module.exports = {
  // TODO: Deprecated and will be removed later. Use LINK_HEADER_CONTEXT.
  LINK_HEADER_REL: 'http://www.w3.org/ns/json-ld#context',

  LINK_HEADER_CONTEXT: 'http://www.w3.org/ns/json-ld#context',

  RDF,
  RDF_LIST: RDF + 'List',
  RDF_FIRST: RDF + 'first',
  RDF_REST: RDF + 'rest',
  RDF_NIL: RDF + 'nil',
  RDF_TYPE: RDF + 'type',
  RDF_PLAIN_LITERAL: RDF + 'PlainLiteral',
  RDF_XML_LITERAL: RDF + 'XMLLiteral',
  RDF_JSON_LITERAL: RDF + 'JSON',
  RDF_OBJECT: RDF + 'object',
  RDF_LANGSTRING: RDF + 'langString',

  XSD,
  XSD_BOOLEAN: XSD + 'boolean',
  XSD_DOUBLE: XSD + 'double',
  XSD_INTEGER: XSD + 'integer',
  XSD_STRING: XSD + 'string',
};