class EasyRdf_Parser_RdfPhp in Zircon Profile 8

Class to parse RDF with no external dependancies.

http://n2.talis.com/wiki/RDF_PHP_Specification docs/appendix-a-rdf-formats-php.md

@package EasyRdf @copyright Copyright (c) 2009-2013 Nicholas J Humfrey @license http://www.opensource.org/licenses/bsd-license.php

Hierarchy

• class \EasyRdf_Parser
  • class \EasyRdf_Parser_RdfPhp

1 string reference to 'EasyRdf_Parser_RdfPhp'

Format.php in vendor/easyrdf/easyrdf/lib/EasyRdf/Format.php

File

vendor/easyrdf/easyrdf/lib/EasyRdf/Parser/RdfPhp.php, line 48

class EasyRdf_Parser_RdfPhp extends EasyRdf_Parser {

  /**
   * Constructor
   *
   * @return object EasyRdf_Parser_RdfPhp
   */
  public function __construct() {
  }

  /**
   * Parse RDF/PHP into an EasyRdf_Graph
   *
   * @param object EasyRdf_Graph $graph   the graph to load the data into
   * @param string               $data    the RDF document data
   * @param string               $format  the format of the input data
   * @param string               $baseUri the base URI of the data being parsed
   * @return integer             The number of triples added to the graph
   */
  public function parse($graph, $data, $format, $baseUri) {
    $this
      ->checkParseParams($graph, $data, $format, $baseUri);
    if ($format != 'php') {
      throw new EasyRdf_Exception("EasyRdf_Parser_RdfPhp does not support: {$format}");
    }
    foreach ($data as $subject => $properties) {
      if (substr($subject, 0, 2) === '_:') {
        $subject = $this
          ->remapBnode($subject);
      }
      elseif (preg_match('/^\\w+$/', $subject)) {

        # Cope with invalid RDF/JSON serialisations that

        # put the node name in, without the _: prefix

        # (such as net.fortytwo.sesametools.rdfjson)
        $subject = $this
          ->remapBnode($subject);
      }
      foreach ($properties as $property => $objects) {
        foreach ($objects as $object) {
          if ($object['type'] === 'bnode') {
            $object['value'] = $this
              ->remapBnode($object['value']);
          }
          $this
            ->addTriple($subject, $property, $object);
        }
      }
    }
    return $this->tripleCount;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EasyRdf_Parser::$baseUri	protected	property	The base URI for the document currently being parsed
EasyRdf_Parser::$bnodeMap	private	property	Mapping from source to graph bnode identifiers
EasyRdf_Parser::$format	protected	property	The format of the document currently being parsed
EasyRdf_Parser::$graph	protected	property	The current graph to insert triples into
EasyRdf_Parser::$tripleCount	protected	property
EasyRdf_Parser::addTriple	protected	function	Add a triple to the current graph, and keep count of the number of triples @ignore	1
EasyRdf_Parser::checkParseParams	protected	function	Check, cleanup parameters and prepare for parsing @ignore
EasyRdf_Parser::remapBnode	protected	function	Create a new, unique bnode identifier from a source identifier. If the source identifier has previously been seen, the same new bnode identifier is returned. @ignore
EasyRdf_Parser::resetBnodeMap	protected	function	Delete the bnode mapping - to be called at the start of a new parse @ignore
EasyRdf_Parser_RdfPhp::parse	public	function	Parse RDF/PHP into an EasyRdf_Graph Overrides EasyRdf_Parser::parse	2
EasyRdf_Parser_RdfPhp::__construct	public	function	Constructor	2