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authorDavid Robillard <d@drobilla.net>2006-09-02 08:26:17 +0000
committerDavid Robillard <d@drobilla.net>2006-09-02 08:26:17 +0000
commit69e52cb83cf0233648695730c81cdc4f7c4f2a00 (patch)
tree5e8ebb5773cba2c1ffd827baf9a4fe528fbcaeeb /src/plugin.c
parentcf11310c243320bbe53dbf7c6738cc84e33ba9d3 (diff)
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Schema bug fixes (parsable now).
Fixed some leaks. Internal query API cleanups. Added latency reporting support. git-svn-id: http://svn.drobilla.net/lad/libslv2@110 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/plugin.c')
-rw-r--r--src/plugin.c63
1 files changed, 56 insertions, 7 deletions
diff --git a/src/plugin.c b/src/plugin.c
index a6b2344..a024077 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -156,7 +156,7 @@ slv2_plugin_get_property(const SLV2Plugin* p,
rasqal_query_results* results = slv2_plugin_run_query(p, query);
- struct _Property* result = slv2_query_get_results(results);
+ SLV2Property result = slv2_query_get_results(results, "value");
rasqal_free_query_results(results);
rasqal_finish();
@@ -169,8 +169,6 @@ slv2_plugin_get_property(const SLV2Plugin* p,
uint32_t
slv2_plugin_get_num_ports(const SLV2Plugin* p)
{
- uint32_t result = 0;
-
rasqal_init();
char* query = strjoin(
@@ -179,12 +177,32 @@ slv2_plugin_get_num_ports(const SLV2Plugin* p)
"} \n", NULL);
rasqal_query_results* results = slv2_plugin_run_query(p, query);
+ const size_t result = slv2_query_get_num_results(results, "value");
- while (!rasqal_query_results_finished(results)) {
- ++result;
- rasqal_query_results_next(results);
- }
+ rasqal_free_query_results(results);
+ rasqal_finish();
+ free(query);
+ return result;
+}
+
+
+bool
+slv2_plugin_has_latency(const SLV2Plugin* p)
+{
+ assert(p);
+
+ rasqal_init();
+
+ char* query =
+ "SELECT DISTINCT ?value FROM data: WHERE { \n"
+ " plugin: lv2:port ?port . \n"
+ " ?port lv2:portHint lv2:reportsLatency . \n"
+ "}\n";
+
+ rasqal_query_results* results = slv2_plugin_run_query(p, query);
+ bool result = ( rasqal_query_results_get_bindings_count(results) > 0 );
+
rasqal_free_query_results(results);
rasqal_finish();
free(query);
@@ -192,3 +210,34 @@ slv2_plugin_get_num_ports(const SLV2Plugin* p)
return result;
}
+uint32_t
+slv2_plugin_get_latency_port(const SLV2Plugin* p)
+{
+ assert(p);
+
+ rasqal_init();
+
+ char* query =
+ "SELECT DISTINCT ?value FROM data: WHERE { \n"
+ " plugin: lv2:port ?port . \n"
+ " ?port lv2:portHint lv2:reportsLatency ; \n"
+ " lv2:index ?index . \n"
+ "}\n";
+
+ rasqal_query_results* results = slv2_plugin_run_query(p, query);
+
+ struct _Property* result = slv2_query_get_results(results, "index");
+
+ // FIXME: need a sane error handling strategy
+ assert(result->num_values == 1);
+ char* endptr = 0;
+ uint32_t index = strtol(result->values[0], &endptr, 10);
+ // FIXME: check.. stuff..
+
+ rasqal_free_query_results(results);
+ rasqal_finish();
+ free(query);
+
+ return index;
+}
+