comparison examples/runner-rdf/populate.c @ 644:404222029e27

Grab bag of populate.c improvements

no need for fileUri (and in fact it was wrong for files with %s in them); use
librdf_new_uri_from_filename.

Use the basename of the audio filename as the key, just for my own sanity.
People who want file://///// everywhere can write their own populate.c.

 #include <sys/types.h>
 #include <sys/stat.h>
+#include <libgen.h>
 #include <unistd.h>
 #include <librdf.h>
 #include <fcntl.h>
 #include <string.h>
 #include <stdlib.h>

 " PREFIX af: <http://purl.org/ontology/af/>"
 " PREFIX dc: <http://purl.org/dc/elements/1.1/>"
 " PREFIX mo: <http://purl.org/ontology/mo/>"
 " PREFIX tl: <http://purl.org/NET/c4dm/timeline.owl#>"
 
-" SELECT ?key ?value ?sample_rate ?window_length ?hop_size ?dimensions ?typetitle"
-" FROM <file:///home/csr21/tmp/rdf/test2.n3> "
+" SELECT ?key ?value ?sample_rate ?window_length ?hop_size ?dimensions"
 
 " WHERE { "
 "   ?key a mo:AudioFile . "
 "   ?signal a mo:Signal . "
 "   ?key mo:encodes ?signal ."

 
 "   ?feature a ?feature_signal_type ; "
 "     mo:time [ tl:onTimeLine ?feature_timeline ] ; "
 "     af:value ?value . "
 "   ?feature af:dimensions ?dimensions ."
-
-"   ?feature_signal_type dc:title ?typetitle "
 
 " } "
 ;
 
 double *parse_value_string(const char *value_string, size_t *nelements) {

 
   librdf_model *model;
   if (!(model = librdf_new_model(world, storage, NULL)))
     goto librdf_error;
   
-  
-  char *fileUri = malloc(sizeof(char)*(strlen(n3file)+6));
-  sprintf(fileUri, "file:%s\0", n3file);
-
   librdf_uri *uri;
-  if (!(uri = librdf_new_uri(world, fileUri)))
-    goto librdf_error;
-
-  free(fileUri);
+  if (!(uri = librdf_new_uri_from_filename(world, n3file)))
+    goto librdf_error;
 
   librdf_parser *parser;
   if (!(parser = librdf_new_parser(world, "guess", NULL, NULL)))
     goto librdf_error;
 

     char* dimensions = librdf_node_get_literal_value(node);
    
     int dimension = 0;
     sscanf(dimensions, "%d", &dimension);
     datum.dim = dimension;
-    
-    node = librdf_query_results_get_binding_value_by_name(results, "typetitle");
-    printf("Insert feature of type %s\n", librdf_node_get_literal_value(node));
-    
+
     // Grab key and value
     
     node = librdf_query_results_get_binding_value_by_name(results, "key");
-    datum.key = librdf_uri_as_string(librdf_node_get_uri(node));
+    char *key = strdup(librdf_uri_to_filename(librdf_node_get_uri(node)));
+    datum.key = basename(key);
     
     size_t nelements = 0;
     node = librdf_query_results_get_binding_value_by_name(results, "value");
     datum.data = parse_value_string(librdf_node_get_literal_value(node), &nelements);