/// <summary>
/// Read a <see cref="System.Boolean"/> from a <see cref="Stream"/>.
/// </summary>
public static bool ReadBoolean(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > 1)
{
throw new InvalidDataException("Encoded value exceeds Boolean bounds.");
}
return(u == 1);
}
/// <summary>
/// Read a <see cref="System.Char"/> from a <see cref="Stream"/>.
/// </summary>
public static char ReadChar(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > ushort.MaxValue)
{
throw new InvalidDataException("Encoded value exceeds Char bounds.");
}
return((char)u);
}
/// <summary>
/// Read a <see cref="System.SByte"/> from a <see cref="Stream"/>.
/// </summary>
public static sbyte ReadSByte(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > byte.MaxValue)
{
throw new InvalidDataException("Encoded value exceeds SByte bounds.");
}
return((sbyte)((sbyte)(u >> 1) ^ (((sbyte)u & 1) * -1)));
}
/// <summary>
/// Read a <see cref="System.Byte"/> from a <see cref="Stream"/>.
/// </summary>
public static byte ReadByte(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > byte.MaxValue)
{
throw new InvalidDataException("Encoded value exceeds Byte bounds.");
}
return((byte)u);
}
/// <summary>
/// Read a <see cref="System.Int16"/> from a <see cref="Stream"/>.
/// </summary>
public static short ReadInt16(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > ushort.MaxValue)
{
throw new InvalidDataException("Encoded value exceeds Int16 bounds.");
}
return((short)((short)(u >> 1) ^ (((short)u & 1) * -1)));
}
/// <summary>
/// Read a <see cref="System.UInt32"/> from a <see cref="Stream"/>.
/// </summary>
public static uint ReadUInt32(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
if (u > uint.MaxValue)
{
throw new InvalidDataException("Encoded value exceeds UInt32 bounds.");
}
return((uint)u);
}
/// <summary>
/// Read a <see cref="System.DateTime"/> from a <see cref="Stream"/>.
/// </summary>
public static DateTime ReadDateTime(this IByteEncoding encoding, Stream stream)
{
var ticks = encoding.ReadInt64(stream);
var kind = (DateTimeKind)encoding.ReadUInt64(stream);
if (!validDataTimeKinds.Contains(kind))
{
throw new InvalidDataException("Encoded value is not valid DateTimeKind.");
}
return(new DateTime(ticks, kind));
}
private void EncodingByteTest(IByteEncoding encoding)
{
var stream = new MemoryStream();
var values = new List <Byte>();
var g = new Generator(encoding.GetType().Name);
for (int i = 0; i < 1000; i++)
{
var v = (Byte)(g.Byte() >> g.Int32(8));
values.Add(v);
encoding.Write(stream, v);
}
stream.Position = 0;
for (int i = 0; i < values.Count; i++)
{
var v = encoding.ReadByte(stream);
Assert.AreEqual(values[i], v);
}
try
{
using (var r = new RandomStream(g))
{
for (int i = 0; i < 500; i++)
{
encoding.ReadByte(r);
}
}
Assert.Fail("Expected InvalidDataException");
}
catch (Exception e)
{
Assert.AreEqual("InvalidDataException", e.GetType().Name);
}
}
/// <summary>
/// Read a <see cref="System.Int64"/> from a <see cref="Stream"/>.
/// </summary>
public static long ReadInt64(this IByteEncoding encoding, Stream stream)
{
var u = encoding.ReadUInt64(stream);
return((long)(u >> 1) ^ (((long)u & 1) * -1L));
}
/// <summary>
/// Write a <see cref="System.DateTime"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, DateTime value)
{
encoding.Write(stream, value.Ticks);
encoding.Write(stream, (ulong)value.Kind);
}
/// <summary>
/// Write a <see cref="System.Boolean"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, bool value)
{
encoding.Write(stream, value ? 1UL : 0UL);
}
/// <summary>
/// Write a <see cref="System.SByte"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, sbyte value)
{
encoding.Write(stream, (byte)((value >> 7) ^ (value << 1)));
}
/// <summary>
/// Write a <see cref="System.Int16"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, short value)
{
encoding.Write(stream, (ushort)((value >> 15) ^ (value << 1)));
}
/// <summary>
/// Write a <see cref="System.Int32"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, int value)
{
encoding.Write(stream, (uint)((value >> 31) ^ (value << 1)));
}
/// <summary>
/// Write a <see cref="System.Int64"/> to a <see cref="Stream"/>.
/// </summary>
public static void Write(this IByteEncoding encoding, Stream stream, long value)
{
encoding.Write(stream, (ulong)((value >> 63) ^ (value << 1)));
}
