diff options
Diffstat (limited to 'src/port.c')
| -rw-r--r-- | src/port.c | 167 |
1 files changed, 123 insertions, 44 deletions
@@ -20,42 +20,70 @@ #include <assert.h> #include <stdlib.h> #include <string.h> +#include <limits.h> #include <slv2/port.h> #include <slv2/types.h> #include <slv2/query.h> #include "util.h" + +SLV2PortID +slv2_port_by_index(uint32_t index) +{ + SLV2PortID ret; + ret.is_index = true; + ret.index = index; + ret.symbol = NULL; + return ret; +} + + +SLV2PortID +slv2_port_by_symbol(const char* symbol) +{ + SLV2PortID ret; + ret.is_index = false; + ret.index = UINT_MAX; + ret.symbol = symbol; + return ret; +} + + enum SLV2PortClass slv2_port_get_class(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { - struct _Property* class = slv2_port_get_property(p, index, "rdf:type"); + struct _Value* class = slv2_port_get_value(p, id, "rdf:type"); assert(class); - assert(class->num_values == 1); + assert(class->num_values > 0); assert(class->values); - - // FIXME FIXME FIXME: leak + + enum SLV2PortClass ret; if (!strcmp((char*)class->values[0], "http://lv2plug.in/ontology#ControlRateInputPort")) - return SLV2_CONTROL_RATE_INPUT; + ret = SLV2_CONTROL_RATE_INPUT; else if (!strcmp((char*)class->values[0], "http://lv2plug.in/ontology#ControlRateOutputPort")) - return SLV2_CONTROL_RATE_OUTPUT; + ret = SLV2_CONTROL_RATE_OUTPUT; else if (!strcmp((char*)class->values[0], "http://lv2plug.in/ontology#AudioRateInputPort")) - return SLV2_AUDIO_RATE_INPUT; + ret = SLV2_AUDIO_RATE_INPUT; else if (!strcmp((char*)class->values[0], "http://lv2plug.in/ontology#AudioRateOutputPort")) - return SLV2_AUDIO_RATE_OUTPUT; + ret = SLV2_AUDIO_RATE_OUTPUT; else { fprintf(stderr, "Unknown port class: %s\n", class->values[0]); - return SLV2_UNKNOWN_PORT_CLASS; + ret = SLV2_UNKNOWN_PORT_CLASS; } + + slv2_value_free(class); + + return ret; } char* slv2_port_get_data_type(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { - SLV2Property type = slv2_port_get_property(p, index, "lv2:datatype"); + SLV2Value type = slv2_port_get_value(p, id, "lv2:datatype"); assert(type); assert(type->num_values == 1); assert(type->values); @@ -63,30 +91,45 @@ slv2_port_get_data_type(SLV2Plugin* p, char* ret = type->values[0]; type->values[0] = NULL; // prevent deletion - slv2_property_free(type); + slv2_value_free(type); return ret; } -SLV2Property -slv2_port_get_property(SLV2Plugin* p, - uint32_t index, - const char* property) +SLV2Value +slv2_port_get_value(SLV2Plugin* p, + SLV2PortID id, + const char* property) { assert(property); - char index_str[16]; - snprintf(index_str, (size_t)16, "%u", index); - - char* query = strjoin( - "SELECT DISTINCT ?value FROM data: WHERE { \n" - "plugin: lv2:port ?port . \n" - "?port lv2:index ", index_str, " . \n" - "?port ", property, " ?value . \n}\n", NULL); + SLV2Value result = NULL; - SLV2Property result = slv2_query_get_results(p, query, "value"); - - free(query); + if (id.is_index) { + char index_str[16]; + snprintf(index_str, (size_t)16, "%u", id.index); + + char* query = strjoin( + "SELECT DISTINCT ?value FROM data: WHERE { \n" + "plugin: lv2:port ?port . \n" + "?port lv2:index ", index_str, " ;\n\t", + property, " ?value . \n}\n", NULL); + + result = slv2_plugin_simple_query(p, query, "value"); + + free(query); + } else { + + char* query = strjoin( + "SELECT DISTINCT ?value FROM data: WHERE { \n" + "plugin: lv2:port ?port . \n" + "?port lv2:symbol ", id.symbol, " ;\n\t", + property, " ?value . \n}\n", NULL); + + result = slv2_plugin_simple_query(p, query, "value"); + + free(query); + } return result; } @@ -94,19 +137,39 @@ slv2_port_get_property(SLV2Plugin* p, char* slv2_port_get_symbol(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { char* result = NULL; - SLV2Property prop - = slv2_port_get_property(p, index, "lv2:symbol"); + SLV2Value prop + = slv2_port_get_value(p, id, "lv2:symbol"); if (prop && prop->num_values == 1) { result = prop->values[0]; prop->values[0] = NULL; // prevent deletion } - slv2_property_free(prop); + slv2_value_free(prop); + + return result; +} + + +char* +slv2_port_get_name(SLV2Plugin* p, + SLV2PortID id) +{ + char* result = NULL; + + SLV2Value prop + = slv2_port_get_value(p, id, "lv2:name"); + + if (prop && prop->num_values == 1) { + result = prop->values[0]; + prop->values[0] = NULL; // prevent deletion + } + + slv2_value_free(prop); return result; } @@ -114,19 +177,19 @@ slv2_port_get_symbol(SLV2Plugin* p, float slv2_port_get_default_value(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { // FIXME: do casting properly in the SPARQL query float result = 0.0f; - SLV2Property prop - = slv2_port_get_property(p, index, "lv2:default"); + SLV2Value prop + = slv2_port_get_value(p, id, "lv2:default"); if (prop && prop->num_values == 1) result = atof((char*)prop->values[0]); - slv2_property_free(prop); + slv2_value_free(prop); return result; } @@ -134,19 +197,19 @@ slv2_port_get_default_value(SLV2Plugin* p, float slv2_port_get_minimum_value(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { // FIXME: do casting properly in the SPARQL query float result = 0.0f; - SLV2Property prop - = slv2_port_get_property(p, index, "lv2:minimum"); + SLV2Value prop + = slv2_port_get_value(p, id, "lv2:minimum"); if (prop && prop->num_values == 1) result = atof((char*)prop->values[0]); - slv2_property_free(prop); + slv2_value_free(prop); return result; } @@ -154,20 +217,36 @@ slv2_port_get_minimum_value(SLV2Plugin* p, float slv2_port_get_maximum_value(SLV2Plugin* p, - uint32_t index) + SLV2PortID id) { // FIXME: do casting properly in the SPARQL query float result = 0.0f; - SLV2Property prop - = slv2_port_get_property(p, index, "lv2:maximum"); + SLV2Value prop + = slv2_port_get_value(p, id, "lv2:maximum"); if (prop && prop->num_values == 1) result = atof((char*)prop->values[0]); - slv2_property_free(prop); + slv2_value_free(prop); return result; } + +SLV2Value +slv2_port_get_properties(const SLV2Plugin* p, + SLV2PortID id) +{ + return slv2_port_get_value(p, id, "lv2:portProperty"); +} + + +SLV2Value +slv2_port_get_hints(const SLV2Plugin* p, + SLV2PortID id) +{ + return slv2_port_get_value(p, id, "lv2:portHint"); +} + |