public static void SetBoolean(this IArrayBuffer <byte> buffer, int start, bool value)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start);
buffer.Array[buffer.WriterIndex] = (byte)(value ? 1 : 0);
}
public static string GetString(this IArrayBuffer <byte> buffer, int start, byte[] separator, Encoding encoding, out int count)
{
Contract.Requires(buffer != null);
Contract.Requires(encoding != null);
Contract.Requires(separator != null && separator.Length > 0);
buffer.CheckIndex(start);
int index = buffer.ArrayOffset + start;
if (buffer.ReadableCount < separator.Length)
{
count = buffer.ReadableCount;
return(encoding.GetString(buffer.Array, index, count));
}
int frameLength = IndexOf(buffer, separator);
if (frameLength == 0) // Leading separator
{
frameLength = separator.Length;
}
else if (frameLength < 0) // Not found
{
frameLength = buffer.ReadableCount;
}
count = frameLength;
return(encoding.GetString(buffer.Array, index, count));
}
public static void SetInt64(this IArrayBuffer <byte> buffer, int start, long value, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(long));
int index = buffer.ArrayOffset + start;
if (isLittleEndian)
{
buffer.Array[index] = (byte)value;
buffer.Array[index + 1] = (byte)(value >> 8);
buffer.Array[index + 2] = (byte)(value >> 16);
buffer.Array[index + 3] = (byte)(value >> 24);
buffer.Array[index + 4] = (byte)(value >> 32);
buffer.Array[index + 5] = (byte)(value >> 40);
buffer.Array[index + 6] = (byte)(value >> 48);
buffer.Array[index + 7] = (byte)(value >> 56);
}
else
{
buffer.Array[index] = (byte)(value >> 56);
buffer.Array[index + 1] = (byte)(value >> 48);
buffer.Array[index + 2] = (byte)(value >> 40);
buffer.Array[index + 3] = (byte)(value >> 32);
buffer.Array[index + 4] = (byte)(value >> 24);
buffer.Array[index + 5] = (byte)(value >> 16);
buffer.Array[index + 6] = (byte)(value >> 8);
buffer.Array[index + 7] = (byte)value;
}
}
public static long GetInt64(this IArrayBuffer <byte> buffer, int start, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(long));
int index = buffer.ArrayOffset + start;
if (isLittleEndian)
{
// ReSharper disable once RedundantCast
return((long)buffer.Array[index]
| (long)buffer.Array[index + 1] << 8
| (long)buffer.Array[index + 2] << 16
| (long)buffer.Array[index + 3] << 24
| (long)buffer.Array[index + 4] << 32
| (long)buffer.Array[index + 5] << 40
| (long)buffer.Array[index + 6] << 48
| (long)buffer.Array[index + 7] << 56);
}
return(((long)buffer.Array[index] & 0xFF) << 56
| ((long)buffer.Array[index + 1] & 0xFF) << 48
| ((long)buffer.Array[index + 2] & 0xFF) << 40
| ((long)buffer.Array[index + 3] & 0xFF) << 32
| ((long)buffer.Array[index + 4] & 0xFF) << 24
| ((long)buffer.Array[index + 5] & 0xFF) << 16
| ((long)buffer.Array[index + 6] & 0xFF) << 8
| ((long)buffer.Array[index + 7] & 0xFF));
}
public static double GetDouble(this IArrayBuffer <byte> buffer, int start, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(double));
return(BitConverter.Int64BitsToDouble(
buffer.GetInt64(start, BitConverter.IsLittleEndian == isLittleEndian)));
}
public static float GetFloat(this IArrayBuffer <byte> buffer, int start, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(float));
return(ByteBufferUtil.Int32BitsToSingle(
buffer.GetInt32(start, BitConverter.IsLittleEndian == isLittleEndian)));
}
public static void SetFloat(this IArrayBuffer <byte> buffer, int start, float value, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(float));
buffer.SetInt32(start,
ByteBufferUtil.SingleToInt32Bits(value),
BitConverter.IsLittleEndian == isLittleEndian);
}
public static bool GetBoolean(this IArrayBuffer <byte> buffer, int start)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start);
int index = buffer.ArrayOffset + start;
return(buffer.Array[index] != 0);
}
public static ushort GetUInt16(this IArrayBuffer <byte> buffer, int start, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(ushort));
int index = buffer.ArrayOffset + start;
if (isLittleEndian)
{
return((ushort)(buffer.Array[index]
| buffer.Array[index + 1] << 8));
}
return((ushort)(buffer.Array[index] << 8
| buffer.Array[index + 1] & 0xFF));
}
public static string GetString(this IArrayBuffer <byte> buffer, int start, int length, Encoding encoding)
{
Contract.Requires(buffer != null);
Contract.Requires(encoding != null);
Contract.Requires(length >= 0);
if (length == 0)
{
return(string.Empty);
}
buffer.CheckIndex(start, length);
int index = buffer.ArrayOffset + start;
return(encoding.GetString(buffer.Array, index, length));
}
public static int SetString(this IArrayBuffer <byte> buffer, int start, string value, Encoding encoding)
{
Contract.Requires(buffer != null);
Contract.Requires(encoding != null);
if (string.IsNullOrEmpty(value))
{
return(0);
}
byte[] data = encoding.GetBytes(value);
buffer.CheckIndex(start, data.Length);
int index = buffer.ArrayOffset + start;
buffer.Set(index, data);
return(data.Length);
}
public static void SetInt16(this IArrayBuffer <byte> buffer, int start, short value, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(ushort));
int index = buffer.ArrayOffset + start;
if (isLittleEndian)
{
buffer.Array[index] = (byte)value;
buffer.Array[index + 1] = ((byte)(value >> 8));
}
else
{
buffer.Array[index] = (byte)(value >> 8);
buffer.Array[index + 1] = (byte)value;
}
}
public static int GetInt32(this IArrayBuffer <byte> buffer, int start, bool isLittleEndian)
{
Contract.Requires(buffer != null);
buffer.CheckIndex(start, sizeof(int));
int index = buffer.ArrayOffset + start;
if (isLittleEndian)
{
return(buffer.Array[index]
| buffer.Array[index + 1] << 8
| buffer.Array[index + 2] << 16
| buffer.Array[index + 3] << 24);
}
return((buffer.Array[index] & 0xFF) << 24
| (buffer.Array[index + 1] & 0xFF) << 16
| (buffer.Array[index + 2] & 0xFF) << 8
| (buffer.Array[index + 3] & 0xFF));
}
