Example #1
0
int
main(int argc, char *argv[]) 
{
  const char *program=librdf_basename((const char*)argv[0]);
  const char *test_serializer_types[]={"rdfxml", "ntriples", NULL};
  int i;
  const char *type;
  unsigned char *string;
  size_t string_length;
  librdf_world *world;
  librdf_storage *storage;
  librdf_model* model;
  librdf_uri* base_uri;
  librdf_statement* statement;
  librdf_serializer* serializer;
  librdf_parser* parser;
  librdf_stream* stream;
  FILE *fh;
  struct stat st_buf;

  world=librdf_new_world();
  librdf_world_open(world);

  librdf_world_set_logger(world, &LogData, log_handler);

  for(i=0; (type=test_serializer_types[i]); i++) {
    fprintf(stderr, "%s: Trying to create new %s serializer\n", program, type);
    serializer=librdf_new_serializer(world, type, NULL, NULL);
    if(!serializer) {
      fprintf(stderr, "%s: Failed to create new serializer type %s\n", program, type);
      continue;
    }
    
    fprintf(stderr, "%s: Freeing serializer\n", program);
    librdf_free_serializer(serializer);
  }
  

  storage=librdf_new_storage(world, NULL, NULL, NULL);
  model=librdf_new_model(world, storage, NULL);

  /* ERROR: Subject URI is bad UTF-8 */
  statement=librdf_new_statement_from_nodes(world,
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://example.org/foo\xfc"),
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://example.org/bar"),
    librdf_new_node_from_literal(world, (const unsigned char*)"blah", NULL, 0));

  librdf_model_add_statement(model, statement);
  librdf_free_statement(statement);

  /* ERROR: Predicate URI is not serializable */
  statement=librdf_new_statement_from_nodes(world,
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://example.org/foo"),
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://bad.example.org/"),
    librdf_new_node_from_literal(world, (const unsigned char*)"blah", NULL, 0));

  librdf_model_add_statement(model, statement);
  librdf_free_statement(statement);

  /* ERROR: Object literal is bad UTF-8 */
  statement=librdf_new_statement_from_nodes(world,
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://example.org/foo"),
    librdf_new_node_from_uri_string(world, (const unsigned char*)"http://example.org/abc"),
    librdf_new_node_from_literal(world, (const unsigned char*)"\xfc", NULL, 0));

  librdf_model_add_statement(model, statement);
  librdf_free_statement(statement);

  serializer=librdf_new_serializer(world, "rdfxml", NULL, NULL);
  base_uri=librdf_new_uri(world, (const unsigned char*)"http://example.org/base#");

  string=librdf_serializer_serialize_model_to_counted_string(serializer,
                                                             base_uri, model,
                                                             &string_length);
#define EXPECTED_BAD_STRING_LENGTH 382
  if(string_length != EXPECTED_BAD_STRING_LENGTH) {
    fprintf(stderr, "%s: Serialising model to RDF/XML returned string '%s' size %d, expected %d\n", program, string,
            (int)string_length, EXPECTED_BAD_STRING_LENGTH);
    return 1;
  }

  if(string)
    free(string);

  librdf_free_uri(base_uri); base_uri=NULL;
  librdf_free_model(model); model=NULL;
  librdf_free_storage(storage); storage=NULL;
  

  if(LogData.errors != EXPECTED_ERRORS) {
    fprintf(stderr, "%s: Serialising to RDF/XML returned %d errors, expected %d\n", program,
            LogData.errors, EXPECTED_ERRORS);
    return 1;
  }

  if(LogData.warnings != EXPECTED_WARNINGS) {
    fprintf(stderr, "%s: Serialising to RDF/XML returned %d warnings, expected %d\n", program,
            LogData.warnings, EXPECTED_WARNINGS);
    return 1;
  }
  

  /* Good model to serialize */
  storage=librdf_new_storage(world, NULL, NULL, NULL);
  model=librdf_new_model(world, storage, NULL);

  parser=librdf_new_parser(world, SYNTAX_TYPE, NULL, NULL);
  if(!parser) {
    fprintf(stderr, "%s: Failed to create new parser type %s\n", program, 
            SYNTAX_TYPE);
    return 1;
  }

  fprintf(stderr, "%s: Adding %s string content\n", program, SYNTAX_TYPE);
  if(librdf_parser_parse_string_into_model(parser, 
                                           (const unsigned char*)SYNTAX_CONTENT,
                                           NULL /* no base URI*/, 
                                           model)) {
    fprintf(stderr, "%s: Failed to parse RDF from %s string into model\n", 
            SYNTAX_TYPE, program);
    return 1;
  }
  librdf_free_parser(parser);
  

  fprintf(stderr, "%s: Serializing stream to a string\n", program);

  stream=librdf_model_as_stream(model);
  string_length=0;
  string=librdf_serializer_serialize_stream_to_counted_string(serializer,
                                                              NULL, stream,
                                                              &string_length);
#define EXPECTED_GOOD_STRING_LENGTH 668
  if(string_length != EXPECTED_GOOD_STRING_LENGTH) {
    fprintf(stderr, "%s: Serialising stream to RDF/XML returned string '%s' size %d, expected %d\n", program, string,
            (int)string_length, EXPECTED_GOOD_STRING_LENGTH);
    return 1;
  }
  librdf_free_stream(stream);

  if(string)
    free(string);


  fprintf(stderr, "%s: Serializing stream to a file handle\n", program);

  stream=librdf_model_as_stream(model);

#define FILENAME "test.rdf"
  fh=fopen(FILENAME, "w");
  if(!fh) {
    fprintf(stderr, "%s: Failed to fopen for writing '%s' - %s\n",
            program, FILENAME, strerror(errno));
    return 1;
  }
  librdf_serializer_serialize_stream_to_file_handle(serializer, fh, NULL, 
                                                    stream);
  fclose(fh);
  stat(FILENAME, &st_buf);
  
  if((int)st_buf.st_size != EXPECTED_GOOD_STRING_LENGTH) {
    fprintf(stderr, "%s: Serialising stream to file handle returned file '%s' of size %d bytes, expected %d\n", program, FILENAME, (int)st_buf.st_size, 
            EXPECTED_GOOD_STRING_LENGTH);
    return 1;
  }
  unlink(FILENAME);
  
  librdf_free_stream(stream);


  librdf_free_serializer(serializer); serializer=NULL;
  librdf_free_model(model); model=NULL;
  librdf_free_storage(storage); storage=NULL;


  librdf_free_world(world);
  
  /* keep gcc -Wall happy */
  return(0);
}
static int
validate_webid(request_rec *request, const char *subjAltName, char *pkey_n, unsigned int pkey_e_i) {
    int r = HTTP_UNAUTHORIZED;

    librdf_world *rdf_world = NULL;
    librdf_storage *rdf_storage = NULL;
    librdf_model *rdf_model = NULL;
    librdf_query *rdf_query = NULL;
    librdf_query_results *rdf_query_results = NULL;

    rdf_world = librdf_new_world();
    if (rdf_world != NULL) {
        librdf_world_open(rdf_world);
        librdf_world_set_logger(rdf_world, (void *)request, ap_rdf_log_proxy);
        rdf_storage = librdf_new_storage(rdf_world, "uri", subjAltName, NULL);
        if (rdf_storage != NULL) {
            rdf_model = librdf_new_model(rdf_world, rdf_storage, NULL);
        } else
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, request, "WebID: librdf_new_storage returned NULL");
    }

    if (rdf_model != NULL) {
        char *c_query = apr_psprintf(request->pool, SPARQL_WEBID, subjAltName);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, request, "WebID: SPARQL query   = %s", c_query);
        rdf_query = librdf_new_query(rdf_world, "sparql", NULL, (unsigned char*)c_query, NULL);
    } else {
        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, request, "WebID: librdf_new_query returned NULL");
    }

    if (rdf_query != NULL) {
        rdf_query_results = librdf_query_execute(rdf_query, rdf_model);
        if (rdf_query_results != NULL) {
            for (; r != OK && librdf_query_results_finished(rdf_query_results)==0; librdf_query_results_next(rdf_query_results)) {
                librdf_node *m_node, *e_node;
                unsigned char *rdf_mod;
                unsigned char *rdf_exp;
                if (r != OK
                    && NULL != (m_node = librdf_query_results_get_binding_value_by_name(rdf_query_results, "m"))
                    && NULL != (e_node = librdf_query_results_get_binding_value_by_name(rdf_query_results, "e"))) {
                    if (librdf_node_get_type(m_node) == LIBRDF_NODE_TYPE_LITERAL
                        && librdf_node_get_type(e_node) == LIBRDF_NODE_TYPE_LITERAL) {
                        rdf_mod = librdf_node_get_literal_value(m_node);
                        rdf_exp = librdf_node_get_literal_value(e_node);
                        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, request, "WebID: modulus = %s", rdf_mod);
                        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, request, "WebID: exponent = %s", rdf_exp);
                        if (rdf_exp != NULL
                            && apr_strtoi64((char*)rdf_exp, NULL, 10) == pkey_e_i
                            && matches_pkey(rdf_mod, pkey_n))
                            r = OK;
                        librdf_free_node(m_node);
                        librdf_free_node(e_node);
                    }
                }
            }
            librdf_free_query_results(rdf_query_results);
        } else
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, request, "WebID: librdf_query_execute returned NULL");
        librdf_free_query(rdf_query);
    } else
        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, request, "WebID: librdf_new_query returned NULL");

    if (rdf_model) librdf_free_model(rdf_model);
    if (rdf_storage) librdf_free_storage(rdf_storage);
    if (rdf_world) librdf_free_world(rdf_world);

    return r;
}
Example #3
0
int
main(int argc, char *argv[])
{
  librdf_world* world;
  librdf_parser* parser;
  librdf_serializer* serializer;
  librdf_storage *storage;
  librdf_model* model;
  librdf_node *source, *arc, *target, *node;
  librdf_node *subject, *predicate, *object;
  librdf_node* context_node=NULL;
  librdf_stream* stream;
  librdf_iterator* iterator;
  librdf_uri *uri;
  librdf_uri *base_uri=NULL;
  librdf_query *query;
  librdf_query_results *results;
  librdf_hash *options;
  int count;
  int rc;
  int transactions=0;
  const char* storage_name;
  const char* storage_options;
  const char* context;
  const char* identifier;
  const char* results_format;
  librdf_statement* statement=NULL;
  char* query_cmd=NULL;
  char* s;


  /*
   * Initialize
   */
  storage_name="virtuoso";
  results_format="xml";
  context=DEFAULT_CONTEXT;
  identifier=DEFAULT_IDENTIFIER;


  /*
   * Get connection options
   */
  if(argc == 2 && argv[1][0] != '\0')
    storage_options=argv[1];
  else if((s=getenv ("VIRTUOSO_STORAGE_OPTIONS")) != NULL)
    storage_options=s;
  else
    storage_options=DEFAULT_STORAGE_OPTIONS;


  world=librdf_new_world();

  librdf_world_set_logger(world, world, log_handler);

  librdf_world_open(world);

  options=librdf_new_hash(world, NULL);
  librdf_hash_open(options, NULL, 0, 1, 1, NULL);

  librdf_hash_put_strings(options, "contexts", "yes");
  transactions=1;

  librdf_hash_from_string(options, storage_options);

  storage=librdf_new_storage_with_options(world, storage_name, identifier, options);

  if(!storage) {
    fprintf(stderr, ": Failed to open %s storage '%s'\n", storage_name, identifier);
    return(1);
  }

  model=librdf_new_model(world, storage, NULL);
  if(!model) {
    fprintf(stderr, ": Failed to create model\n");
    return(1);
  }

  if(transactions)
    librdf_model_transaction_start(model);

  /* Do this or gcc moans */
  stream=NULL;
  iterator=NULL;
  parser=NULL;
  serializer=NULL;
  source=NULL;
  arc=NULL;
  target=NULL;
  subject=NULL;
  predicate=NULL;
  object=NULL;
  uri=NULL;
  node=NULL;
  query=NULL;
  results=NULL;
  context_node=librdf_new_node_from_uri_string(world, (const unsigned char *)context);


  /**** Test 1 *******/
  startTest(1, " Remove all triples in <%s> context\n", context);
  {
    rc=librdf_model_context_remove_statements(model, context_node);

    if(rc)
      endTest(0, " failed to remove context triples from the graph\n");
    else
      endTest(1, " removed context triples from the graph\n");
  }


  /**** Test 2 *******/
  startTest(2, " Add triples to <%s> context\n", context);
  {
    rc=0;
    rc |= add_triple(world, context_node, model, "aa", "bb", "cc");
    rc |= add_triple(world, context_node, model, "aa", "bb1", "cc");
    rc |= add_triple(world, context_node, model, "aa", "a2", "_:cc");
    rc |= add_triple_typed(world, context_node, model, "aa", "a2", "cc");
    rc |= add_triple_typed(world, context_node, model, "mm", "nn", "Some long literal with language@en");
    rc |= add_triple_typed(world, context_node, model, "oo", "pp", "12345^^<http://www.w3.org/2001/XMLSchema#int>");
    if(rc)
      endTest(0, " failed add triple\n");
    else
      endTest(1, " add triple to context\n");
  }


  /**** Test 3 *******/
  startTest(3, " Print all triples in <%s> context\n", context);
  {
    raptor_iostream* iostr = raptor_new_iostream_to_file_handle(librdf_world_get_raptor(world), stdout);
    librdf_model_write(model, iostr);
    raptor_free_iostream(iostr);
    endTest(1, "\n");
  }


  /***** Test 4 *****/
  startTest(4, " Count of triples in <%s> context\n", context);
  {
    count=librdf_model_size(model);
    if(count >= 0)
      endTest(1, " graph has %d triples\n", count);
    else
      endTest(0, " graph has unknown number of triples\n");
  }


  /***** Test 5 *****/
  startTest(5, " Exec:  ARC  aa bb \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");
    node=librdf_model_get_target(model, subject, predicate);
    librdf_free_node(subject);
    librdf_free_node(predicate);
    if(!node) {
      endTest(0, " Failed to get arc\n");
    } else {
      print_node(stdout, node);
      librdf_free_node(node);
      endTest(1, "\n");
    }
  }


  /***** Test 6 *****/
  startTest(6, " Exec:  ARCS  aa cc \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");
    iterator=librdf_model_get_arcs(model, subject, object);
    librdf_free_node(subject);
    librdf_free_node(object);
    if(!iterator) {
      endTest(0, " Failed to get arcs\n");
    } else {
      print_nodes(stdout, iterator);
      endTest(1, "\n");
    }
  }


  /***** Test 7 *****/
  startTest(7, " Exec:  ARCS-IN  cc \n");
  {
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");
    iterator=librdf_model_get_arcs_in(model, object);
    librdf_free_node(object);
    if(!iterator) {
      endTest(0, " Failed to get arcs in\n");
    } else {
      int ok=1;
      count=0;
      while(!librdf_iterator_end(iterator)) {
        context_node=(librdf_node*)librdf_iterator_get_context(iterator);
        node=(librdf_node*)librdf_iterator_get_object(iterator); /*returns SHARED pointer */
        if(!node) {
          ok=0;
          endTest(ok, " librdf_iterator_get_next returned NULL\n");
          break;
        }

        fputs("Matched arc: ", stdout);
        librdf_node_print(node, stdout);
        if(context_node) {
          fputs(" with context ", stdout);
          librdf_node_print(context_node, stdout);
        }
        fputc('\n', stdout);

        count++;
        librdf_iterator_next(iterator);
      }
      librdf_free_iterator(iterator);
      endTest(ok, " matching arcs: %d\n", count);
    }
  }


  /***** Test 8 *****/
  startTest(8, " Exec:  ARCS-OUT  aa \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    iterator=librdf_model_get_arcs_out(model, subject);
    librdf_free_node(subject);
    if(!iterator)
      endTest(0, " Failed to get arcs out\n");
    else {
      int ok=1;
      count=0;
      while(!librdf_iterator_end(iterator)) {
        context_node=(librdf_node*)librdf_iterator_get_context(iterator);
        node=(librdf_node*)librdf_iterator_get_object(iterator);
        if(!node) {
          ok=0;
          endTest(ok, " librdf_iterator_get_next returned NULL\n");
          break;
        }

        fputs("Matched arc: ", stdout);
        librdf_node_print(node, stdout);
        if(context_node) {
          fputs(" with context ", stdout);
          librdf_node_print(context_node, stdout);
        }
        fputc('\n', stdout);

        count++;
        librdf_iterator_next(iterator);
      }
      librdf_free_iterator(iterator);
      endTest(ok, " matching arcs: %d\n", count);
    }
  }


  /***** Test 9 *****/
  startTest(9, " Exec:  CONTAINS aa bb1 cc \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb1");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");
    statement=librdf_new_statement(world);
    librdf_statement_set_subject(statement, subject);
    librdf_statement_set_predicate(statement, predicate);
    librdf_statement_set_object(statement, object);

    if(librdf_model_contains_statement(model, statement))
       endTest(1, " the graph contains the triple\n");
    else
       endTest(0, " the graph does not contain the triple\n");

    librdf_free_statement(statement);
  }


  /***** Test 10 *****/
  startTest(10, " Exec:  FIND aa - - \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    statement=librdf_new_statement(world);
    librdf_statement_set_subject(statement, subject);

    stream=librdf_model_find_statements_in_context(model, statement, context_node);

    if(!stream) {
        endTest(0, " FIND returned no results (NULL stream)\n");
    } else {
        librdf_node* ctxt_node=NULL;
        int ok=1;
        count=0;
        while(!librdf_stream_end(stream)) {
          librdf_statement *stmt=librdf_stream_get_object(stream);
          ctxt_node=(librdf_node*)librdf_stream_get_context(stream);
          if(!stmt) {
              ok=0;
              endTest(ok, " librdf_stream_next returned NULL\n");
              break;
          }

          fputs("Matched triple: ", stdout);
          librdf_statement_print(stmt, stdout);
          if(context) {
              fputs(" with context ", stdout);
              librdf_node_print(ctxt_node, stdout);
          }
          fputc('\n', stdout);

          count++;
          librdf_stream_next(stream);
        }
        librdf_free_stream(stream);
        endTest(ok, " matching triples: %d\n", count);
    }

    librdf_free_statement(statement);
  }


  /***** Test 11 *****/
  startTest(11, " Exec:  HAS-ARC-IN cc bb \n");
  {
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");

    if(librdf_model_has_arc_in(model, object, predicate))
        endTest(1, " the graph contains the arc\n");
      else
        endTest(0, " the graph does not contain the arc\n");

    librdf_free_node(predicate);
    librdf_free_node(object);
  }


  /***** Test 12 *****/
  startTest(12, " Exec:  HAS-ARC-OUT aa bb \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");

    if(librdf_model_has_arc_out(model, subject, predicate))
        endTest(1, " the graph contains the arc\n");
      else
        endTest(0, " the graph does not contain the arc\n");

    librdf_free_node(predicate);
    librdf_free_node(subject);
  }


  /***** Test 13 *****/
  startTest(13, " Exec:  SOURCE  aa cc \n");
  {
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");

    node=librdf_model_get_source(model, predicate, object);
    librdf_free_node(predicate);
    librdf_free_node(object);
    if(!node) {
      endTest(0, " Failed to get source\n");
    } else {
      print_node(stdout, node);
      librdf_free_node(node);
      endTest(1, "\n");
    }
  }


  /***** Test 14 *****/
  startTest(14, " Exec:  SOURCES  bb cc \n");
  {
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");

    iterator=librdf_model_get_sources(model, predicate, object);
    librdf_free_node(predicate);
    librdf_free_node(object);
    if(!iterator) {
      endTest(0, " Failed to get sources\n");
    } else {
      print_nodes(stdout, iterator);
      endTest(1, "\n");
    }
  }


  /***** Test 15 *****/
  startTest(15, " Exec:  TARGET  aa bb \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");

    node=librdf_model_get_target(model, subject, predicate);
    librdf_free_node(subject);
    librdf_free_node(predicate);
    if(!node) {
      endTest(0, " Failed to get target\n");
    } else {
      print_node(stdout, node);
      librdf_free_node(node);
      endTest(1, "\n");
    }
  }


  /***** Test 16 *****/
  startTest(16, " Exec:  TARGETS  aa bb \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb");

    iterator=librdf_model_get_targets(model, subject, predicate);
    librdf_free_node(subject);
    librdf_free_node(predicate);
    if(!iterator) {
      endTest(0, " Failed to get targets\n");
    } else {
      print_nodes(stdout, iterator);
      endTest(1, "\n");
    }
  }


  /***** Test 17 *****/
  startTest(17, " Exec:  REMOVE aa bb1 cc \n");
  {
    subject=librdf_new_node_from_uri_string(world, (const unsigned char*)"aa");
    predicate=librdf_new_node_from_uri_string(world, (const unsigned char*)"bb1");
    object=librdf_new_node_from_uri_string(world, (const unsigned char*)"cc");
    statement=librdf_new_statement(world);
    librdf_statement_set_subject(statement, subject);
    librdf_statement_set_predicate(statement, predicate);
    librdf_statement_set_object(statement, object);

    if(librdf_model_context_remove_statement(model, context_node, statement))
       endTest(0, " failed to remove triple from the graph\n");
    else
       endTest(1, " removed triple from the graph\n");

    librdf_free_statement(statement);
  }


  /***** Test 18 *****/
  query_cmd=(char *)"CONSTRUCT {?s ?p ?o} FROM <http://red> WHERE {?s ?p ?o}";
  startTest(18, " Exec:  QUERY \"%s\" \n", query_cmd);
  {
    query=librdf_new_query(world, (char *)"vsparql", NULL, (const unsigned char *)query_cmd, NULL);

    if(!(results=librdf_model_query_execute(model, query))) {
      endTest(0, " Query of model with '%s' failed\n", query_cmd);
      librdf_free_query(query);
      query=NULL;
    } else {
      stream=librdf_query_results_as_stream(results);

      if(!stream) {
        endTest(0, " QUERY returned no results (NULL stream)\n");
      } else {
        librdf_node* ctxt=NULL;
        count=0;
        while(!librdf_stream_end(stream)) {
          librdf_statement *stmt=librdf_stream_get_object(stream);  /*returns SHARED pointer */
          ctxt=(librdf_node*)librdf_stream_get_context(stream);
          if(!stmt) {
              endTest(0, " librdf_stream_next returned NULL\n");
              break;
          }

          fputs("Matched triple: ", stdout);
          librdf_statement_print(stmt, stdout);
          if(ctxt) {
              fputs(" with context ", stdout);
              librdf_node_print(ctxt, stdout);
          }
          fputc('\n', stdout);

          count++;
          librdf_stream_next(stream);
        }
       librdf_free_stream(stream);

        endTest(1, " matching triples: %d\n", count);
        librdf_free_query_results(results);
      }
    }
    librdf_free_query(query);
  }


  /***** Test 19 *****/
  query_cmd=(char *)"SELECT * WHERE {graph <http://red> { ?s ?p ?o }}";
  startTest(19, " Exec1:  QUERY_AS_BINDINGS \"%s\" \n", query_cmd);
  {
    query=librdf_new_query(world, (char *)"vsparql", NULL, (const unsigned char *)query_cmd, NULL);

    if(!(results=librdf_model_query_execute(model, query))) {
        endTest(0, " Query of model with '%s' failed\n", query_cmd);
        librdf_free_query(query);
        query=NULL;
    } else {

        raptor_iostream *iostr;
        librdf_query_results_formatter *formatter;

        fprintf(stderr, "**: Formatting query result as '%s':\n", results_format);

        iostr = raptor_new_iostream_to_file_handle(librdf_world_get_raptor(world), stdout);
        formatter = librdf_new_query_results_formatter2(results, results_format,
                                                        NULL /* mime type */,
                                                        NULL /* format_uri */);

        base_uri = librdf_new_uri(world, (const unsigned char*)"http://example.org/");
        
        librdf_query_results_formatter_write(iostr, formatter, results, base_uri);
        librdf_free_query_results_formatter(formatter);
        raptor_free_iostream(iostr);
        librdf_free_uri(base_uri);

        endTest(1, "\n");
        librdf_free_query_results(results);
    }
    librdf_free_query(query);
  }


  /***** Test 20 *****/
  query_cmd=(char *)"SELECT * WHERE {graph <http://red> { ?s ?p ?o }}";
  startTest(20, " Exec2:  QUERY_AS_BINDINGS \"%s\" \n", query_cmd);
  {
    query=librdf_new_query(world, (char *)"vsparql", NULL, (const unsigned char *)query_cmd, NULL);

    if(!(results=librdf_model_query_execute(model, query))) {
       endTest(0, " Query of model with '%s' failed\n", query_cmd);
       librdf_free_query(query);
       query=NULL;
    } else {
       if(print_query_results(world, model, results))
         endTest(0, "\n");
       else
         endTest(1, "\n");

       librdf_free_query_results(results);
    }
    librdf_free_query(query);
  }

  getTotal();


  if(transactions)
    librdf_model_transaction_commit(model);

  librdf_free_node(context_node);
  librdf_free_node(context_node);
  librdf_free_hash(options);
  librdf_free_model(model);
  librdf_free_storage(storage);

  librdf_free_world(world);

#ifdef LIBRDF_MEMORY_DEBUG
  librdf_memory_report(stderr);
#endif
	
  /* keep gcc -Wall happy */
  return(0);
}