C++ (Cpp) rasqal_free_variable Examples

Example #1

File: rasqal_rowsource.c Project: 0u812/rasqal

/*
 * rasqal_rowsource_remove_all_variables:
 * @rowsource: rasqal rowsource
 *
 * INTERNAL - Remove all variables from a rowsource
 */
void
rasqal_rowsource_remove_all_variables(rasqal_rowsource *rowsource)
{
  while(1) {
    rasqal_variable* v;
    v = (rasqal_variable*)raptor_sequence_pop(rowsource->variables_sequence);
    if(!v)
      break;
    rasqal_free_variable(v);
  }
  rowsource->size = 0;
}

Example #2

File: utilities.c Project: h0st/m3sec

static void navigator_graph_pattern_load(rasqal_graph_pattern *gp, int gp_index,int indent, GSList** template_query_)
{
  int triple_index = 0;

  raptor_sequence *seq;
  rasqal_variable * var;
  rasqal_triple* t;
  rasqal_literal_type type;

  GSList* template_query= *template_query_;

  indent += 1;

  /* look for triples */

  while(1) {

    t = rasqal_graph_pattern_get_triple(gp, triple_index);
    if(!t)
      break;

    /*
    rasqal_literal_type type;
    printf ("triple\n");
    type=rasqal_literal_get_rdf_term_type(t->subject);
    printf ("S type %d val %s\n", type, rasqal_literal_as_string (t->subject)) ;
    type=rasqal_literal_get_rdf_term_type(t->predicate);
    printf ("P type %d val %s\n", type, rasqal_literal_as_string (t->predicate)) ;
    type=rasqal_literal_get_rdf_term_type(t->object);
    printf ("O type %d val %s\n", type, rasqal_literal_as_string (t->object)) ;
	*/
    //ssTriple_t *ttemp = (ssTriple_t *)g_new0(ssTriple_t,1);


    ssTriple_t_sparql *ttemp = (ssTriple_t_sparql *)g_new0(ssTriple_t_sparql,1);


    type=rasqal_literal_get_rdf_term_type(t->subject);

    //var=rasqal_literal_as_variable(t->subject);
    //rasqal_variable_print(var,    stdout);

    //printf("\n");
    //printf("%s\n", var->name);
    //rasqal_free_variable (var);

    if ((type==RASQAL_LITERAL_UNKNOWN) && (rasqal_literal_as_string(t->subject) == NULL))
    {   //variable , needs a wildcard

    	var=rasqal_literal_as_variable(t->subject);
    	ttemp->subject_var=g_strdup(var->name);
    	rasqal_free_variable (var);

    	ttemp->subject=g_strdup_printf("%s",wildcard1);
    }
    else
    {    	ttemp->subject=g_strdup(rasqal_literal_as_string (t->subject));
    		ttemp->subject_var=NULL;
    }

    type=rasqal_literal_get_rdf_term_type(t->predicate);
    if ((type==RASQAL_LITERAL_UNKNOWN) && (rasqal_literal_as_string(t->predicate) == NULL))
    {   //variable , needs a wildcard

    	var=rasqal_literal_as_variable(t->predicate);
    	ttemp->predicate_var=g_strdup(var->name);
    	rasqal_free_variable (var);

    	ttemp->predicate=g_strdup_printf("%s",wildcard1);
    }
    else
    {    	ttemp->predicate=g_strdup(rasqal_literal_as_string (t->predicate));
    		ttemp->predicate_var=NULL;
    }

    type=rasqal_literal_get_rdf_term_type(t->object);
    if ((type==RASQAL_LITERAL_UNKNOWN) && (rasqal_literal_as_string(t->object) == NULL))
    {    	//variable , needs a wildcard

    	var=rasqal_literal_as_variable(t->object);
    	ttemp->object_var=g_strdup(var->name);
    	rasqal_free_variable (var);

    	ttemp->object=g_strdup_printf("%s",wildcard1);
    }
    else
    {
    	if (type==RASQAL_LITERAL_STRING)
    	{	ttemp->object=g_strdup(rasqal_literal_as_string (t->object));
    		ttemp->objType = ssElement_TYPE_LIT;
    	}
    	else
    	{	ttemp->object=g_strdup(rasqal_literal_as_string (t->object));
            ttemp->objType = ssElement_TYPE_URI;
    	}
    	ttemp->object_var=NULL;
    }

    ttemp->gp_index=gp_index;
    ttemp->indent=indent;

    //printf("SPARQL Binding triple is: \t%s\t%s\t%s , obj_Type %d \n", ttemp->subject, ttemp->predicate, ttemp->object, ttemp->objType);
    //printf("				     Vars: \t%s\t%s\t%s , gp_index %d indent %d\n", ttemp->subject_var, ttemp->predicate_var, ttemp->object_var,ttemp->gp_index,ttemp->indent);

    template_query= g_slist_prepend(template_query, ttemp);

    triple_index++;
  }

  /* look for sub-graph patterns */
  seq = rasqal_graph_pattern_get_sub_graph_pattern_sequence(gp);
  if(seq && raptor_sequence_size(seq) > 0) {

    gp_index = 0;
    while(1)
    {
      rasqal_graph_pattern* sgp;
      sgp = rasqal_graph_pattern_get_sub_graph_pattern(gp, gp_index);
      if(!sgp)
    	  break;

      navigator_graph_pattern_load(sgp, gp_index, indent + 1, &template_query);
      gp_index++;
    }


  }

  indent -= 1;
  *template_query_=template_query;

}