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-rw-r--r--src/query.c177
1 files changed, 0 insertions, 177 deletions
diff --git a/src/query.c b/src/query.c
index 3fb0ce9..187bf5d 100644
--- a/src/query.c
+++ b/src/query.c
@@ -25,187 +25,10 @@
#include "slv2/types.h"
#include "slv2/collections.h"
#include "slv2/plugin.h"
-#include "slv2/query.h"
#include "slv2/util.h"
#include "slv2_internal.h"
-static const char* slv2_query_prefixes =
- "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"
- "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"
- "PREFIX doap: <http://usefulinc.com/ns/doap#>\n"
- "PREFIX foaf: <http://xmlns.com/foaf/0.1/>\n"
- "PREFIX lv2: <http://lv2plug.in/ns/lv2core#>\n"
- "PREFIX lv2ev: <http://lv2plug.in/ns/ext/event#>\n";
-
-
-SLV2Values
-slv2_query_get_variable_bindings(SLV2World world,
- SLV2Results results,
- int variable)
-{
- SLV2Values result = NULL;
-
- if (!librdf_query_results_finished(results->rdf_results))
- result = slv2_values_new();
-
- while (!librdf_query_results_finished(results->rdf_results)) {
- librdf_node* node = librdf_query_results_get_binding_value(results->rdf_results, variable);
-
- if (node == NULL) {
- SLV2_ERRORF("Variable %d bound to NULL.\n", variable);
- librdf_query_results_next(results->rdf_results);
- continue;
- }
-
- SLV2Value val = slv2_value_new_librdf_node(world, node);
- if (val)
- raptor_sequence_push(result, val);
-
- librdf_free_node(node);
- librdf_query_results_next(results->rdf_results);
- }
-
- return result;
-}
-
-
-unsigned
-slv2_results_size(SLV2Results results)
-{
- size_t count = 0;
-
- while (!slv2_results_finished(results)) {
- ++count;
- slv2_results_next(results);
- }
-
- return count;
-}
-
-
-SLV2Results
-slv2_plugin_query_sparql(SLV2Plugin plugin,
- const char* sparql_str)
-{
- slv2_plugin_load_if_necessary(plugin);
-
- librdf_uri* base_uri = slv2_value_as_librdf_uri(plugin->plugin_uri);
-
- char* query_str = slv2_strjoin(slv2_query_prefixes, sparql_str, NULL);
-
- librdf_query* query = librdf_new_query(plugin->world->world, "sparql", NULL,
- (const uint8_t*)query_str, base_uri);
-
- if (!query) {
- SLV2_ERRORF("Failed to create query:\n%s", query_str);
- return NULL;
- }
-
- librdf_query_results* results = librdf_query_execute(query, plugin->rdf);
-
- librdf_free_query(query);
- free(query_str);
-
- SLV2Results ret = (SLV2Results)malloc(sizeof(struct _SLV2Results));
- ret->world = plugin->world;
- ret->rdf_results = results;
-
- return ret;
-}
-
-
-void
-slv2_results_free(SLV2Results results)
-{
- librdf_free_query_results(results->rdf_results);
- free(results);
-}
-
-
-bool
-slv2_results_finished(SLV2Results results)
-{
- return librdf_query_results_finished(results->rdf_results);
-}
-
-
-SLV2Value
-slv2_results_get_binding_value(SLV2Results results, unsigned index)
-{
- return slv2_value_new_librdf_node(results->world,
- librdf_query_results_get_binding_value(
- results->rdf_results, index));
-}
-
-
-SLV2Value
-slv2_results_get_binding_value_by_name(SLV2Results results, const char* name)
-{
- return slv2_value_new_librdf_node(results->world,
- librdf_query_results_get_binding_value_by_name(
- results->rdf_results, name));
-}
-
-
-const char*
-slv2_results_get_binding_name(SLV2Results results, unsigned index)
-{
- return librdf_query_results_get_binding_name(results->rdf_results, index);
-}
-
-
-void
-slv2_results_next(SLV2Results results)
-{
- librdf_query_results_next(results->rdf_results);
-}
-
-
-/** Query a single variable */
-SLV2Values
-slv2_plugin_query_variable(SLV2Plugin plugin,
- const char* sparql_str,
- unsigned variable)
-{
- assert(variable < INT_MAX);
-
- SLV2Results results = slv2_plugin_query_sparql(plugin, sparql_str);
-
- SLV2Values ret = slv2_query_get_variable_bindings(plugin->world,
- results, (int)variable);
-
- slv2_results_free(results);
-
- return ret;
-}
-
-
-/** Run a query and count number of matches.
- *
- * More efficient than slv2_plugin_simple_query if you're only interested
- * in the number of results (ie slv2_plugin_num_ports).
- *
- * Note the result of this function is probably meaningless unless the query
- * is a SELECT DISTINCT.
- */
-unsigned
-slv2_plugin_query_count(SLV2Plugin plugin,
- const char* sparql_str)
-{
- SLV2Results results = slv2_plugin_query_sparql(plugin, sparql_str);
-
- unsigned ret = 0;
-
- if (results) {
- ret = slv2_results_size(results);
- slv2_results_free(results);
- }
-
- return ret;
-}
-
-
librdf_stream*
slv2_plugin_find_statements(SLV2Plugin plugin,
librdf_node* subject,