static int
print_graph_result(rasqal_query* rq,
rasqal_query_results *results,
raptor_world* raptor_world_ptr,
FILE* output,
const char* serializer_syntax_name, raptor_uri* base_uri,
int quiet)
{
int triple_count = 0;
rasqal_prefix* prefix;
int i;
raptor_serializer* serializer = NULL;
if(!quiet)
fprintf(stderr, "%s: Query has a graph result:\n", program);
if(!raptor_world_is_serializer_name(raptor_world_ptr, serializer_syntax_name)) {
fprintf(stderr,
"%s: invalid query result serializer name `%s' for `" HELP_ARG(r, results) "'\n",
program, serializer_syntax_name);
return 1;
}
serializer = raptor_new_serializer(raptor_world_ptr,
serializer_syntax_name);
if(!serializer) {
fprintf(stderr, "%s: Failed to create raptor serializer type %s\n",
program, serializer_syntax_name);
return(1);
}
/* Declare any query namespaces in the output serializer */
for(i = 0; (prefix = rasqal_query_get_prefix(rq, i)); i++)
raptor_serializer_set_namespace(serializer, prefix->uri, prefix->prefix);
raptor_serializer_start_to_file_handle(serializer, base_uri, output);
while(1) {
raptor_statement *rs = rasqal_query_results_get_triple(results);
if(!rs)
break;
raptor_serializer_serialize_statement(serializer, rs);
triple_count++;
if(rasqal_query_results_next_triple(results))
break;
}
raptor_serializer_serialize_end(serializer);
raptor_free_serializer(serializer);
if(!quiet)
fprintf(stderr, "%s: Total %d triples\n", program, triple_count);
return 0;
}
int
main(int argc, char *argv[])
{
flickcurl *fc = NULL;
int rc = 0;
int usage = 0;
int help = 0;
const char* home;
char config_path[1024];
char* photo_id = NULL;
const char* prefix_uri = "http://www.flickr.com/photos/";
size_t prefix_uri_len = strlen(prefix_uri);
const char *serializer_syntax_name = "ntriples";
raptor_uri* base_uri = NULL;
raptor_serializer* serializer = NULL;
int request_delay= -1;
flickcurl_serializer* fs = NULL;
flickcurl_photo* photo = NULL;
program = my_basename(argv[0]);
flickcurl_init();
rworld = raptor_new_world();
raptor_world_open(rworld);
home = getenv("HOME");
if(home)
sprintf(config_path, "%s/%s", home, config_filename);
else
strcpy(config_path, config_filename);
while (!usage && !help)
{
int c;
#ifdef HAVE_GETOPT_LONG
int option_index = 0;
c = getopt_long (argc, argv, GETOPT_STRING, long_options, &option_index);
#else
c = getopt (argc, argv, GETOPT_STRING);
#endif
if (c == -1)
break;
switch (c) {
case 0:
case '?': /* getopt() - unknown option */
usage = 1;
break;
case 'd':
if(optarg)
request_delay = atoi(optarg);
break;
case 'D':
debug = 1;
break;
case 'h':
help = 1;
break;
case 'o':
if(optarg) {
if(raptor_world_is_serializer_name(rworld, optarg))
serializer_syntax_name = optarg;
else {
int i;
fprintf(stderr,
"%s: invalid argument `%s' for `" HELP_ARG(o, output) "'\n",
program, optarg);
fprintf(stderr, "Valid arguments are:\n");
for(i = 0; 1; i++) {
const raptor_syntax_description *d;
d = raptor_world_get_serializer_description(rworld, i);
if(!d)
break;
printf(" %-12s for %s\n", d->names[0], d->label);
}
usage = 1;
break;
}
}
break;
case 'v':
fputs(flickcurl_version_string, stdout);
fputc('\n', stdout);
exit(0);
}
}
argv+= optind;
argc-= optind;
if(!help && argc < 1)
usage = 2; /* Title and usage */
if(!help && !argc) {
fprintf(stderr, "%s: No photo URI given\n", program);
usage = 1;
goto usage;
}
if(usage || help)
goto usage;
photo_id = argv[0];
if(strncmp(photo_id, prefix_uri, prefix_uri_len))
usage = 1;
else {
size_t len;
photo_id+= prefix_uri_len;
len = strlen(photo_id);
if(!len)
usage = 1;
else {
if(photo_id[len-1] == '/')
photo_id[--len] = '\0';
while(*photo_id && *photo_id != '/')
photo_id++;
if(!*photo_id)
usage = 1;
else
photo_id++;
}
}
if(usage) {
fprintf(stderr,
"%s: Argument is not a Flickr photo URI like\n"
" http://www.flickr.com/photos/USER/PHOTO/\n",
program);
goto usage;
}
serializer = raptor_new_serializer(rworld, serializer_syntax_name);
if(!serializer) {
fprintf(stderr,
"%s: Failed to create raptor serializer type %s\n", program,
serializer_syntax_name);
return(1);
}
base_uri = raptor_new_uri(rworld, (const unsigned char*)argv[0]);
raptor_serializer_start_to_file_handle(serializer, base_uri, stdout);
/* Initialise the Flickcurl library */
fc = flickcurl_new();
if(!fc) {
rc = 1;
goto tidy;
}
flickcurl_set_error_handler(fc, my_message_handler, NULL);
if(!access((const char*)config_path, R_OK)) {
if(flickcurl_config_read_ini(fc, config_path, config_section, fc,
flickcurl_config_var_handler)) {
rc = 1;
goto tidy;
}
}
usage:
if(usage) {
if(usage>1) {
fprintf(stderr, title_format_string, flickcurl_version_string);
fputs("Flickcurl home page: ", stderr);
fputs(flickcurl_home_url_string, stderr);
fputc('\n', stderr);
fputs(flickcurl_copyright_string, stderr);
fputs("\nLicense: ", stderr);
fputs(flickcurl_license_string, stderr);
fputs("\n\n", stderr);
}
fprintf(stderr, "Try `%s " HELP_ARG(h, help) "' for more information.\n",
program);
rc = 1;
goto tidy;
}
if(help) {
int i;
printf(title_format_string, flickcurl_version_string);
puts("Get Triples from Flickr photos.");
printf("Usage: %s [OPTIONS] FLICKR-PHOTO-URI\n\n", program);
fputs(flickcurl_copyright_string, stdout);
fputs("\nLicense: ", stdout);
puts(flickcurl_license_string);
fputs("Flickcurl home page: ", stdout);
puts(flickcurl_home_url_string);
fputs("\n", stdout);
puts(HELP_TEXT("d", "delay DELAY ", "Set delay between requests in milliseconds"));
puts(HELP_TEXT("D", "debug ", "Print lots of output"));
puts(HELP_TEXT("h", "help ", "Print this help, then exit"));
puts(HELP_TEXT("o", "output FORMAT ", "Set output format to one of:"));
for(i = 0; 1; i++) {
const raptor_syntax_description* d;
d = raptor_world_get_serializer_description(rworld, i);
if(!d)
break;
if(!strcmp(d->names[0], serializer_syntax_name))
printf(" %-15s %s (default)\n", d->names[0], d->label);
else
printf(" %-15s %s\n", d->names[0], d->label);
}
#ifdef HAVE_RAPTOR
printf(" via Raptor %s serializers\n", raptor_version_string);
#else
puts(" via internal RDF serializer");
#endif
puts(HELP_TEXT("v", "version ", "Print the flickcurl version"));
rc = 0;
goto tidy;
}
if(request_delay >= 0)
flickcurl_set_request_delay(fc, request_delay);
fs = flickcurl_new_serializer(fc, serializer, &flickrdf_serializer_factory);
if(!fs) {
fprintf(stderr, "%s: Failed to create Flickcurl serializer\n", program);
goto tidy;
}
photo = flickcurl_photos_getInfo(fc, photo_id);
if(!photo)
goto tidy;
if(debug)
fprintf(stderr, "%s: Photo with URI %s ID %s has %d tags\n",
program, photo->uri, photo->id, photo->tags_count);
rc = flickcurl_serialize_photo(fs, photo);
tidy:
if(photo)
flickcurl_free_photo(photo);
if(fs)
flickcurl_free_serializer(fs);
if(fc)
flickcurl_free(fc);
if(serializer)
raptor_free_serializer(serializer);
if(base_uri)
raptor_free_uri(base_uri);
if(rworld)
raptor_free_world(rworld);
flickcurl_finish();
return(rc);
}
