LilvNodes* lilv_nodes_from_stream_objects(LilvWorld* world, SordIter* stream, SordQuadIndex field) { if (sord_iter_end(stream)) { sord_iter_free(stream); return NULL; } else if (world->opt.filter_language) { return lilv_nodes_from_stream_objects_i18n(world, stream, field); } else { LilvNodes* values = lilv_nodes_new(); FOREACH_MATCH(stream) { const SordNode* value = sord_iter_get_node(stream, field); LilvNode* node = lilv_node_new_from_node(world, value); if (node) { zix_tree_insert((ZixTree*)values, node, NULL); } } sord_iter_free(stream); return values; } }
static LilvNodes* lilv_nodes_from_stream_objects_i18n(LilvWorld* world, SordIter* stream, SordQuadIndex field) { LilvNodes* values = lilv_nodes_new(); const SordNode* nolang = NULL; // Untranslated value const SordNode* partial = NULL; // Partial language match char* syslang = lilv_get_lang(); FOREACH_MATCH(stream) { const SordNode* value = sord_iter_get_node(stream, field); if (sord_node_get_type(value) == SORD_LITERAL) { const char* lang = sord_node_get_language(value); LilvLangMatch lm = LILV_LANG_MATCH_NONE; if (lang) { lm = (syslang) ? lilv_lang_matches(lang, syslang) : LILV_LANG_MATCH_PARTIAL; } else { nolang = value; if (!syslang) { lm = LILV_LANG_MATCH_EXACT; } } if (lm == LILV_LANG_MATCH_EXACT) { // Exact language match, add to results zix_tree_insert((ZixTree*)values, lilv_node_new_from_node(world, value), NULL); } else if (lm == LILV_LANG_MATCH_PARTIAL) { // Partial language match, save in case we find no exact partial = value; } } else { zix_tree_insert((ZixTree*)values, lilv_node_new_from_node(world, value), NULL); } } sord_iter_free(stream); free(syslang); if (lilv_nodes_size(values) > 0) { return values; } const SordNode* best = nolang; if (syslang && partial) { // Partial language match for system language best = partial; } else if (!best) { // No languages matches at all, and no untranslated value // Use any value, if possible best = partial; } if (best) { zix_tree_insert( (ZixTree*)values, lilv_node_new_from_node(world, best), NULL); } else { // No matches whatsoever lilv_nodes_free(values); values = NULL; } return values; }
static LilvState* new_state_from_model(LilvWorld* world, LV2_URID_Map* map, SordModel* model, const SordNode* node, const char* dir) { LilvState* const state = (LilvState*)malloc(sizeof(LilvState)); memset(state, '\0', sizeof(LilvState)); state->dir = lilv_strdup(dir); state->atom_Path = map->map(map->handle, LV2_ATOM__Path); // Get the plugin URI this state applies to SordIter* i = sord_search(model, node, world->uris.lv2_appliesTo, 0, 0); if (i) { const SordNode* object = sord_iter_get_node(i, SORD_OBJECT); const SordNode* graph = sord_iter_get_node(i, SORD_GRAPH); state->plugin_uri = lilv_node_new_from_node(world, object); if (!state->dir && graph) { state->dir = lilv_strdup((const char*)sord_node_get_string(graph)); } sord_iter_free(i); } else if (sord_ask(model, node, world->uris.rdf_a, world->uris.lv2_Plugin, 0)) { // Loading plugin description as state (default state) state->plugin_uri = lilv_node_new_from_node(world, node); } else { LILV_ERRORF("State %s missing lv2:appliesTo property\n", sord_node_get_string(node)); } // Get the state label i = sord_search(model, node, world->uris.rdfs_label, NULL, NULL); if (i) { const SordNode* object = sord_iter_get_node(i, SORD_OBJECT); const SordNode* graph = sord_iter_get_node(i, SORD_GRAPH); state->label = lilv_strdup((const char*)sord_node_get_string(object)); if (!state->dir) { state->dir = lilv_strdup((const char*)sord_node_get_string(graph)); } sord_iter_free(i); } Sratom* sratom = sratom_new(map); SerdChunk chunk = { NULL, 0 }; LV2_Atom_Forge forge; lv2_atom_forge_init(&forge, map); lv2_atom_forge_set_sink( &forge, sratom_forge_sink, sratom_forge_deref, &chunk); // Get port values SordIter* ports = sord_search(model, node, world->uris.lv2_port, 0, 0); FOREACH_MATCH(ports) { const SordNode* port = sord_iter_get_node(ports, SORD_OBJECT); SordNode* label = sord_get(model, port, world->uris.rdfs_label, 0, 0); SordNode* symbol = sord_get(model, port, world->uris.lv2_symbol, 0, 0); SordNode* value = sord_get(model, port, world->uris.pset_value, 0, 0); if (!value) { value = sord_get(model, port, world->uris.lv2_default, 0, 0); } if (!symbol) { LILV_ERRORF("State `%s' port missing symbol.\n", sord_node_get_string(node)); } else if (value) { chunk.len = 0; sratom_read(sratom, &forge, world->world, model, value); LV2_Atom* atom = (LV2_Atom*)chunk.buf; append_port_value(state, (const char*)sord_node_get_string(symbol), LV2_ATOM_BODY(atom), atom->size, atom->type); if (label) { lilv_state_set_label(state, (const char*)sord_node_get_string(label)); } } sord_node_free(world->world, value); sord_node_free(world->world, symbol); sord_node_free(world->world, label); } sord_iter_free(ports); // Get properties SordNode* statep = sord_new_uri(world->world, USTR(LV2_STATE__state)); SordNode* state_node = sord_get(model, node, statep, NULL, NULL); if (state_node) { SordIter* props = sord_search(model, state_node, 0, 0, 0); FOREACH_MATCH(props) { const SordNode* p = sord_iter_get_node(props, SORD_PREDICATE); const SordNode* o = sord_iter_get_node(props, SORD_OBJECT); chunk.len = 0; lv2_atom_forge_set_sink( &forge, sratom_forge_sink, sratom_forge_deref, &chunk); sratom_read(sratom, &forge, world->world, model, o); LV2_Atom* atom = (LV2_Atom*)chunk.buf; uint32_t flags = LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE; Property prop = { NULL, 0, 0, 0, flags }; prop.key = map->map(map->handle, (const char*)sord_node_get_string(p)); prop.type = atom->type; prop.size = atom->size; prop.value = malloc(atom->size); memcpy(prop.value, LV2_ATOM_BODY(atom), atom->size); if (atom->type == forge.Path) { prop.flags = LV2_STATE_IS_PORTABLE; } if (prop.value) { state->props = (Property*)realloc( state->props, (++state->num_props) * sizeof(Property)); state->props[state->num_props - 1] = prop; } } sord_iter_free(props); } sord_node_free(world->world, state_node); sord_node_free(world->world, statep); free((void*)chunk.buf); sratom_free(sratom); qsort(state->props, state->num_props, sizeof(Property), property_cmp); qsort(state->values, state->num_values, sizeof(PortValue), value_cmp); return state; }