static EnumBitStreamer()
{
var generation_args = new MethodGenerationArgs();
MethodInfo read_method_info, write_method_info, swap_method;
#region Get read/write method info
if (generation_args.UseUnderlyingType)
{
// Since we use a type-parameter hack to imply we want to use the underlying type
// for the TStreamType, we have to use reflection to instantiate StreamType<>
// using kUnderlyingType, which kStreamType is set to up above
var stream_type_gen_class = typeof(StreamType <>);
var stream_type_class = stream_type_gen_class.MakeGenericType(generation_args.StreamType);
read_method_info = stream_type_class.GetField("kRead").GetValue(null) as MethodInfo;
write_method_info = stream_type_class.GetField("kWrite").GetValue(null) as MethodInfo;
swap_method = stream_type_class.GetField("kBitSwap").GetValue(null) as MethodInfo;
}
else
{
// If we don't use the type-parameter hack and instead are explicitly given the
// integer type, we can safely instantiate StreamType<> without reflection
read_method_info = StreamType <TStreamType> .kRead;
write_method_info = StreamType <TStreamType> .kWrite;
swap_method = StreamType <TStreamType> .kBitSwap;
}
#endregion
kRead = GenerateReadMethod(generation_args, read_method_info, swap_method);
kWrite = GenerateWriteMethod(generation_args, write_method_info, swap_method);
Instance = new EnumBitStreamer <TEnum, TStreamType, TOptions>();
}
public BitStream Stream <TEnum>(ref TEnum value, int bitCount, IEnumBitStreamer <TEnum> implementation)
where TEnum : struct, IComparable, IFormattable, IConvertible
{
Contract.Requires(implementation != null);
implementation.Stream(this, ref value, bitCount);
return(this);
}