diff options
Diffstat (limited to 'src/atom_rdf.c')
| -rw-r--r-- | src/atom_rdf.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/atom_rdf.c b/src/atom_rdf.c deleted file mode 100644 index 8f0eb97..0000000 --- a/src/atom_rdf.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - Copyright 2012 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include <stdlib.h> -#include <string.h> - -#include "lv2/lv2plug.in/ns/ext/atom/atom.h" -#include "lv2/lv2plug.in/ns/ext/atom/util.h" -#include "lv2/lv2plug.in/ns/ext/urid/urid.h" - -#include "serd/serd.h" - -#define NS_XSD "http://www.w3.org/2001/XMLSchema#" - -#define USTR(str) ((const uint8_t*)(str)) - -typedef struct { - char* buf; - size_t len; -} String; - -static size_t -string_sink(const void* buf, size_t len, void* stream) -{ - String* str = (String*)stream; - str->buf = realloc(str->buf, str->len + len); - memcpy(str->buf + str->len, buf, len); - str->len += len; - return len; -} - -void -atom_to_rdf(SerdWriter* writer, - LV2_URID_Unmap* unmap, - const SerdNode* subject, - const SerdNode* predicate, - const LV2_Atom* atom, - uint32_t flags) -{ - const char* const type = unmap->unmap(unmap->handle, atom->type); - SerdNode object = SERD_NODE_NULL; - SerdNode datatype = SERD_NODE_NULL; - bool new_node = false; - if (atom->type == 0 && atom->size == 0) { - object = serd_node_from_string(SERD_BLANK, USTR("null")); - } else if (!strcmp(type, LV2_ATOM__String)) { - const uint8_t* str = USTR(LV2_ATOM_BODY(atom)); - object = serd_node_from_string(SERD_LITERAL, str); - } else if (!strcmp(type, LV2_ATOM__URID)) { - const uint32_t id = *(const uint32_t*)LV2_ATOM_BODY(atom); - const uint8_t* str = USTR(unmap->unmap(unmap->handle, id)); - object = serd_node_from_string(SERD_URI, str); - } else if (!strcmp(type, LV2_ATOM__Path)) { - const uint8_t* str = USTR(LV2_ATOM_BODY(atom)); - object = serd_node_from_string(SERD_LITERAL, str); - datatype = serd_node_from_string(SERD_URI, USTR(LV2_ATOM__Path)); - } else if (!strcmp(type, LV2_ATOM__URI)) { - const uint8_t* str = USTR(LV2_ATOM_BODY(atom)); - object = serd_node_from_string(SERD_URI, str); - } else if (!strcmp(type, LV2_ATOM__Int32)) { - new_node = true; - object = serd_node_new_integer(*(int32_t*)LV2_ATOM_BODY(atom)); - datatype = serd_node_from_string(SERD_URI, USTR(NS_XSD "integer")); - } else if (!strcmp(type, LV2_ATOM__Float)) { - new_node = true; - object = serd_node_new_decimal(*(float*)LV2_ATOM_BODY(atom), 8); - datatype = serd_node_from_string(SERD_URI, USTR(NS_XSD "decimal")); - } else if (!strcmp(type, LV2_ATOM__Double)) { - object = serd_node_new_decimal(*(float*)LV2_ATOM_BODY(atom), 16); - datatype = serd_node_from_string(SERD_URI, USTR(NS_XSD "decimal")); - } else if (!strcmp(type, LV2_ATOM__Bool)) { - const int32_t val = *(const int32_t*)LV2_ATOM_BODY(atom); - datatype = serd_node_from_string(SERD_URI, USTR(NS_XSD "boolean")); - object = serd_node_from_string(SERD_LITERAL, - USTR(val ? "true" : "false")); - } else if (!strcmp(type, LV2_ATOM__Blank)) { - const LV2_Atom_Object* obj = (const LV2_Atom_Object*)atom; - SerdNode idnum = serd_node_new_integer(obj->body.id); - SerdNode id = serd_node_from_string(SERD_BLANK, idnum.buf); - serd_writer_write_statement( - writer, flags|SERD_ANON_O_BEGIN, NULL, - subject, predicate, &id, NULL, NULL); - LV2_OBJECT_FOREACH(obj, i) { - const LV2_Atom_Property_Body* prop = lv2_object_iter_get(i); - const char* const key = unmap->unmap(unmap->handle, prop->key); - SerdNode pred = serd_node_from_string(SERD_URI, USTR(key)); - atom_to_rdf(writer, unmap, &id, &pred, &prop->value, SERD_ANON_CONT); - } - serd_writer_end_anon(writer, &id); - serd_node_free(&idnum); - } - - if (object.buf) { - serd_writer_write_statement( - writer, flags, NULL, subject, predicate, &object, &datatype, NULL); - } - - if (new_node) { - serd_node_free(&object); - } -} - -char* -atom_to_turtle(LV2_URID_Unmap* unmap, - const SerdNode* subject, - const SerdNode* predicate, - const LV2_Atom* atom) -{ - SerdURI base_uri = SERD_URI_NULL; - SerdEnv* env = serd_env_new(NULL); - String str = { NULL, 0 }; - SerdWriter* writer = serd_writer_new( - SERD_TURTLE, - SERD_STYLE_ABBREVIATED|SERD_STYLE_RESOLVED|SERD_STYLE_CURIED, - env, &base_uri, string_sink, &str); - - atom_to_rdf(writer, unmap, subject, predicate, atom, 0); - serd_writer_finish(writer); - string_sink("", 1, &str); - - serd_writer_free(writer); - serd_env_free(env); - return str.buf; -} |