void RdfStorePrivate::Save(std::string filename, std::string format)
{
if (format == "") format = "turtle";
librdf_uri* baseUri = RdfUriToLibRdfUri(m_BaseUri);
librdf_serializer* s = librdf_new_serializer(m_World, format.c_str(), nullptr, nullptr);
if(!s)
{
mitkThrow() << "RDF Library Error";
}
for (PrefixMap::const_iterator i = m_Prefixes.begin(); i != m_Prefixes.end(); i++)
{
librdf_serializer_set_namespace(s, RdfUriToLibRdfUri(i->second), i->first.c_str());
}
FILE* f = fopen(filename.c_str(), "w+");
librdf_serializer_serialize_model_to_file_handle(s, f, baseUri, m_Model);
librdf_free_serializer(s);
librdf_free_uri(baseUri);
fclose(f);
}
/*
* Iterator function: map a [namespace, uri] tuple into a namespace registered with
* the serializer_value, which is a librdf_serializer pointer cast as a VALUE.
*/
static VALUE
rleaf_set_serializer_ns( VALUE nspair, VALUE serializer_value ) {
librdf_serializer *serializer = (librdf_serializer *)serializer_value;
VALUE ns = Qnil;
librdf_uri *nsuri;
Check_Type( nspair, T_ARRAY );
if ( RARRAY_LEN(nspair) != 2 )
rb_raise( rb_eArgError, "namespace pair must be [key, value]" );
ns = rb_obj_as_string( rb_ary_entry(nspair, 0) );
nsuri = rleaf_object_to_librdf_uri( rb_ary_entry(nspair, 1) );
librdf_serializer_set_namespace( serializer, nsuri, (const char *)RSTRING_PTR(ns) );
return Qnil;
}
int
lua_bindings_redland_serializer_set_namespace(lua_State *L) {
librdf_serializer **pp_serializer
= (librdf_serializer **) luaL_checkudata(
L
, -2
, serializer_userdata_type );
const char *prefix = NULL;
lua_getfield(L, -1, "prefix");
if (!lua_isnil(L, -1)) {
prefix = luaL_checkstring(L, -1);
}
lua_pop(L, 1);
librdf_uri *p_uri = NULL;
lua_getfield(L, -1, "uri");
if (!lua_isnil(L, -1)) {
librdf_uri **pp_uri
= (librdf_uri **) luaL_checkudata(
L
, -1
, uri_userdata_type );
p_uri = *pp_uri;
}
lua_pop(L, 1);
lua_pop(L, 2);
int result = librdf_serializer_set_namespace(
*pp_serializer
, p_uri
, prefix );
lua_pushboolean(L, result);
return 1;
}