<?php
/* -*- Mode: php; c-basic-offset: 2 -*-
 *
 * test.php - Redland PHP Interface test program
 *
 * Copyright (C) 2002-2007 David Beckett - http://www.dajobe.org/
 * Copyright (C) 2003 Morten Frederiksen - http://purl.org/net/morten/
 * Copyright (C) 2002-2004 University of Bristol - http://www.bristol.ac.uk/
 *
 * This package is Free Software and part of Redland http://librdf.org/
 * 
 * It is licensed under the following three licenses as alternatives:
 *   1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
 *   2. GNU General Public License (GPL) V2 or any newer version
 *   3. Apache License, V2.0 or any newer version
 * 
 * You may not use this file except in compliance with at least one of
 * the above three licenses.
 * 
 * See LICENSE.html or LICENSE.txt at the top of this package for the
 * full license terms.
 *
 *
 */

/* ------------------------------------------------------------------------ */

print "Testing Redland...\n";
$dlls = array("redland.so", "php_redland.dll", "redland.dylib", "redland.bundle");
foreach ($dlls as $dll) {
  if(file_exists($dll)) {
    dl($dll);
  }
}

$world=librdf_php_get_world();

print "Redland world opened\n";

$storage=librdf_new_storage($world,'hashes','dummy',"new=yes,hash-type='memory'");
print "Redland storage created\n";

$model=librdf_new_model($world,$storage,'');
print "Redland model created\n";

$parser=librdf_new_parser($world,'rdfxml','application/rdf+xml',null);
print "Redland parser created\n";

$uri=librdf_new_uri($world,'file:../data/dc.rdf');

print "Parsing...\n";
librdf_parser_parse_into_model($parser,$uri,$uri,$model);
print "Done...\n";

librdf_free_uri($uri);

librdf_free_parser($parser);


$query = librdf_new_query($world, 'sparql', null, "PREFIX dc: <http://purl.org/dc/elements/1.1/> SELECT ?a ?c ?d WHERE { ?a dc:title ?c . OPTIONAL { ?a dc:related ?d } }", null);
print "Querying for dc:titles:\n";
$results=librdf_model_query_execute($model, $query);
$count=1;
while($results && !librdf_query_results_finished($results)) {
  print "result $count: {\n";
  for ($i=0; $i < librdf_query_results_get_bindings_count($results); $i++)
  {
    $val=librdf_query_results_get_binding_value($results, $i);
    if ($val)
      $nval=librdf_node_to_string($val);
    else
      $nval='(unbound)';
    print "  ".librdf_query_results_get_binding_name($results, $i)."=".$nval."\n";
  }
  print "}\n";
  librdf_query_results_next($results);
  $count++;
}
if ($results)
  print "Returned $count results\n";
$results=null;

print "\nExecuting query again\n";
$results=librdf_model_query_execute($model, $query);
if ($results) {
  $str=librdf_query_results_to_string($results, null, null);
  print "Query results serialized to an XML string size ".strlen($str)." bytes\n";
} else
  print "Query results couldn't be serialized to an XML string\n";


$serializer=librdf_new_serializer($world,'rdfxml',null, null);
print "Redland serializer created\n";

$base=librdf_new_uri($world,'http://example.org/base.rdf');

print "Serializing...\n";
librdf_serializer_serialize_model_to_file($serializer,'./test-out.rdf',$base,$model);
print "Done...\n";

librdf_free_serializer($serializer);

librdf_free_uri($base);

librdf_free_model($model);

librdf_free_storage($storage);


print "Done\n";

?>