/// <summary>Read a <typeparamref name="TEnum"/> value from a stream</summary>
/// <param name="s">Stream to read from</param>
/// <param name="value">Enum value read from the stream</param>
/// <remarks>
/// Uses <typeparamref name="TEnum"/>'s underlying <see cref="TypeCode"/> to
/// decide how big of a numeric type to read from the stream.
/// </remarks>
public static void Read(IO.EndianReader s, out TEnum value)
{
Contract.Requires(s != null);
ulong stream_value;
switch (Reflection.EnumUtil <TEnum> .UnderlyingTypeCode)
{
case TypeCode.Byte:
case TypeCode.SByte: stream_value = s.ReadByte();
break;
case TypeCode.Int16:
case TypeCode.UInt16: stream_value = s.ReadUInt16();
break;
case TypeCode.Int32:
case TypeCode.UInt32: stream_value = s.ReadUInt32();
break;
case TypeCode.Int64:
case TypeCode.UInt64: stream_value = s.ReadUInt64();
break;
default:
throw new Debug.UnreachableException();
}
value = Reflection.EnumValue <TEnum> .FromUInt64(stream_value);
}
public static void Read(this IO.EndianReader s, out Guid value, bool respectEndian = true)
{
if (respectEndian)
{
uint a = s.ReadUInt32();
ushort b = s.ReadUInt16();
ushort c = s.ReadUInt16();
byte d = s.ReadByte();
byte e = s.ReadByte();
byte f = s.ReadByte();
byte g = s.ReadByte();
byte h = s.ReadByte();
byte i = s.ReadByte();
byte j = s.ReadByte();
byte k = s.ReadByte();
value = new Guid(a, b, c, d, e, f, g, h, i, j, k);
}
else
{
value = new Guid(s.ReadBytes(16));
}
}
public static void Read(this IO.EndianReader s, out uint value) => value = s.ReadUInt32();