DllExport int call_conv load_nquad_file(CTXTdecl)
{
char *filename = p2c_string(reg_term(CTXTdecl 1));
unsigned char *uri_string;
raptor_uri *uri, *base_uri;
world = raptor_new_world();
rdf_parser = raptor_new_parser(world, "nquads");
raptor_parser_set_statement_handler(rdf_parser, NULL, handle_term);
uri_string = raptor_uri_filename_to_uri_string(filename);
uri = raptor_new_uri(world, uri_string);
base_uri = raptor_uri_copy(uri);
raptor_parser_parse_file(rdf_parser, uri, base_uri);
raptor_free_parser(rdf_parser);
raptor_free_uri(base_uri);
raptor_free_uri(uri);
raptor_free_memory(uri_string);
raptor_free_world(world);
return 1;
}
/*****
** Lee el archivo que contiene las tripletas RDF
** y hace el llamado a la funcion save_triple() para guardarlos
*****/
void rdf_database_read_file(rdf_database db, const char *file)
{
raptor_world *world = NULL;
unsigned char *uri_string;
raptor_uri *uri, *base_uri;
// parser
world = raptor_new_world();
rdf_parser = raptor_new_parser(world, "rdfxml");
// seteo funcion handler para cada nodo
raptor_parser_set_statement_handler(rdf_parser, (void*)db, save_triple);
uri_string = raptor_uri_filename_to_uri_string(file);
uri = raptor_new_uri(world, uri_string);
base_uri = raptor_uri_copy(uri);
// empieza parseo y guardado en memoria
raptor_parser_parse_file(rdf_parser, uri, base_uri);
// liberar ram
raptor_free_parser(rdf_parser);
raptor_free_uri(base_uri);
raptor_free_uri(uri);
raptor_free_memory(uri_string);
raptor_free_world(world);
}
int
main(int argc, char *argv[])
{
#ifdef HAVE_RAPTOR
raptor_world *world = NULL;
raptor_parser* rdf_parser = NULL;
unsigned char *uri_string;
raptor_uri *uri, *base_uri;
world = raptor_new_world();
rdf_parser = raptor_new_parser(world, "ntriples");
raptor_parser_set_statement_handler(rdf_parser, NULL, print_triple);
uri_string = raptor_uri_filename_to_uri_string(argv[1]);
uri = raptor_new_uri(world, uri_string);
base_uri = raptor_uri_copy(uri);
raptor_parser_parse_file(rdf_parser, uri, base_uri);
raptor_free_parser(rdf_parser);
raptor_free_uri(base_uri);
raptor_free_uri(uri);
raptor_free_memory(uri_string);
raptor_free_world(world);
#endif
return EXIT_SUCCESS;
}
fs_metadata *fs_metadata_open(const char *kb)
{
fs_metadata *m = calloc(1, sizeof(fs_metadata));
gchar *fs_md_file_uri_format;
fs_md_file_uri_format = g_strconcat("file://",
fs_get_md_file_format(),
NULL);
m->size = 16;
m->length = 0;
m->entries = calloc(m->size, sizeof(struct m_entry));
m->uri = g_strdup_printf(fs_md_file_uri_format, kb);
g_free(fs_md_file_uri_format);
int fd;
if ((fd = open(m->uri + 7, FS_O_NOATIME | O_CREAT, FS_FILE_MODE)) == -1) {
fs_error(LOG_CRIT, "failed to touch metadata file %s: %s",
m->uri, strerror(errno));
free(m);
return NULL;
}
close(fd);
m->rw = raptor_new_world();
if (!m->rw) {
fs_error(LOG_CRIT, "failed to initialise raptor");
free(m);
return NULL;
}
raptor_parser *rdf_parser = raptor_new_parser(m->rw, "turtle");
raptor_parser_set_statement_handler(rdf_parser, m, parse_stmt);
char *uri = strdup(m->uri);
raptor_uri *ruri = raptor_new_uri(m->rw, (unsigned char *) uri);
raptor_uri *muri = raptor_new_uri(m->rw, (unsigned char *) uri);
free(uri);
if (raptor_parser_parse_uri(rdf_parser, ruri, muri)) {
fs_error(LOG_ERR, "failed to parse metadata file “%s”", m->uri);
return NULL;
}
raptor_free_parser(rdf_parser);
raptor_free_uri(ruri);
raptor_free_uri(muri);
return m;
}
turtle_input::turtle_input(const std::string& path) {
raptor_world* world = raptor_new_world();
raptor_parser* parser = raptor_new_parser(world, "turtle");
unsigned char* uri_string;
raptor_uri *uri, *base_uri;
uri_string = raptor_uri_filename_to_uri_string(path.c_str());
uri = raptor_new_uri(world, uri_string);
base_uri = raptor_uri_copy(uri);
std::pair<triples_t*, raptor_uri*> user_data(&triples_, base_uri);
raptor_parser_set_statement_handler(parser, (void*)&user_data,
&statement_handler);
triples_.clear();
raptor_parser_parse_file(parser, uri, base_uri);
raptor_free_uri(base_uri);
raptor_free_uri(uri);
raptor_free_memory(uri_string);
raptor_free_parser(parser);
raptor_free_world(world);
}
int
main(int argc, char *argv[])
{
raptor_world *world = NULL;
raptor_parser* rdf_parser = NULL;
unsigned char *uri_string;
raptor_uri *uri;
raptor_uri *base_uri;
int rc = 0;
int free_uri_string = 0;
rdf_serializer = NULL;
if(argc < 2 || argc > 3) {
fprintf(stderr, "USAGE: %s RDF-FILE [BASE-URI]\n", program);
rc = 1;
goto tidy;
}
world = raptor_new_world();
uri_string = (unsigned char*)argv[1];
if(!access((const char*)uri_string, R_OK)) {
uri_string = raptor_uri_filename_to_uri_string((char*)uri_string);
uri = raptor_new_uri(world, uri_string);
free_uri_string = 1;
} else {
uri = raptor_new_uri(world, (const unsigned char*)uri_string);
}
if(argc == 3) {
char* base_uri_string = argv[2];
base_uri = raptor_new_uri(world, (unsigned char*)(base_uri_string));
} else {
base_uri = raptor_uri_copy(uri);
}
rdf_parser = raptor_new_parser(world, "guess");
raptor_world_set_log_handler(world, rdf_parser, to_ntriples_log_handler);
raptor_parser_set_statement_handler(rdf_parser, NULL,
to_ntriples_write_triple);
rdf_serializer = raptor_new_serializer(world, "ntriples");
raptor_serializer_start_to_file_handle(rdf_serializer, base_uri, stdout);
raptor_parser_parse_file(rdf_parser, uri, base_uri);
raptor_serializer_serialize_end(rdf_serializer);
raptor_free_serializer(rdf_serializer);
raptor_free_parser(rdf_parser);
raptor_free_uri(base_uri);
raptor_free_uri(uri);
if(free_uri_string)
raptor_free_memory(uri_string);
raptor_free_world(world);
tidy:
if(warning_count)
rc = 2;
else if(error_count)
rc = 1;
return rc;
}
