Exemplo n.º 1
0
DataPtr Field::ShouldSerialize( void* instance ) const
{
    // never write discard fields
    if ( m_Flags & FieldFlags::Discard )
    {
        return NULL;
    }

    ObjectPtr object = Registry::GetInstance()->CreateInstance( m_DataClass );
    DataPtr data = ThrowCast< Data >( object );
    data->ConnectField( instance, this );

    // always write force fields
    if ( m_Flags & FieldFlags::Force )
    {
        return data;
    }

    // check for empty/null/invalid state
    if ( !data->ShouldSerialize() )
    {
        return NULL;
    }

    // don't write field at the default value
    DataPtr defaultData = CreateDefaultData();
    if ( defaultData.ReferencesObject() && defaultData->Equals(data) )
    {
        return NULL;
    }

    return data;
}