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| author | David Robillard <d@drobilla.net> | 2008-01-15 20:01:24 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2008-01-15 20:01:24 +0000 |
| commit | ddba2b97ba27636f9f6f6ae1bef9781fb8ea5f0c (patch) | |
| tree | fe82c3a7c0a54ae44c4ad117c901e7a08ea0e9a4 /src | |
| parent | 98cc3bd853c47f6cd1cf02cf14e00413993fd6f5 (diff) | |
| download | lilv-ddba2b97ba27636f9f6f6ae1bef9781fb8ea5f0c.tar.gz lilv-ddba2b97ba27636f9f6f6ae1bef9781fb8ea5f0c.tar.bz2 lilv-ddba2b97ba27636f9f6f6ae1bef9781fb8ea5f0c.zip | |
SLV2 0.4.4.
git-svn-id: http://svn.drobilla.net/lad/slv2@1054 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugin.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/plugin.c b/src/plugin.c index bd7f89e..babb65a 100644 --- a/src/plugin.c +++ b/src/plugin.c @@ -528,6 +528,31 @@ slv2_plugin_get_latency_port(SLV2Plugin p) return slv2_value_as_int(val); } + +bool +slv2_plugin_has_feature(SLV2Plugin p, + const char* feature) +{ + assert(feature); + + const char* const query = slv2_strjoin( + "ASK {\n" + " { <> lv2:optionalFeature <", feature, "> }\n" + " UNION\n" + " { <> lv2:requiredFeature <", feature, "> }\n" + "}\n", NULL); + + + librdf_query_results* results = slv2_plugin_query(p, query); + assert(librdf_query_results_is_boolean(results)); + + const bool ret = results && (librdf_query_results_get_boolean(results) > 0); + + librdf_free_query_results(results); + + return ret; +} + SLV2Values slv2_plugin_get_supported_features(SLV2Plugin p) |