//ToString returns a string representation of the node
func (node *Node) ToString() (string, error) {
var stringPointer unsafe.Pointer
var length C.size_t
raptorWorld := node.world.GetRaptorWorld()
stream := C.raptor_new_iostream_to_string(raptorWorld, &stringPointer, &length, nil)
if stream == nil {
return "", errors.New("Unable to obtain raptor stream")
}
defer C.free(unsafe.Pointer(stringPointer))
C.librdf_node_write(node.librdf_node, stream)
C.raptor_free_iostream(stream)
return C.GoString((*C.char)(unsafe.Pointer(stringPointer))), nil
}
//ToString serializers a statement to string
func (statement *Statement) ToString() (string, error) {
var stringPointer unsafe.Pointer
var length C.size_t
raptorWorld := statement.world.GetRaptorWorld()
stream := C.raptor_new_iostream_to_string(raptorWorld, &stringPointer, &length, nil)
if stream == nil {
return "", errors.New("Unable to obtain raptor stream")
}
defer C.raptor_free_iostream(stream)
if result := C.librdf_statement_write(statement.librdf_statement, stream); result != 0 {
return "", errors.New("Unable to write statement")
}
defer C.free(unsafe.Pointer(stringPointer))
return C.GoString((*C.char)(unsafe.Pointer(stringPointer))), nil
}