public static byte[] Encode(byte[] src)
{
/* quick & dirty format80 encoder -- only uses raw copy operator, terminated with a zero-run. */
/* this does not produce good compression, but it's valid format80 */
var ctx = new FastByteReader(src);
var ms = new MemoryStream();
do
{
var len = Math.Min(ctx.Remaining(), 0x3F);
ms.WriteByte((byte)(0x80 | len));
while (len-- > 0)
{
ms.WriteByte(ctx.ReadByte());
}
}while (!ctx.Done());
ms.WriteByte(0x80); // terminator -- 0-length run.
return(ms.ToArray());
}
public static byte[] Encode(byte[] src)
{
/* quick & dirty format80 encoder -- only uses raw copy operator, terminated with a zero-run. */
/* this does not produce good compression, but it's valid format80 */
var ctx = new FastByteReader(src);
var ms = new MemoryStream();
do
{
var len = Math.Min(ctx.Remaining(), 0x3F);
ms.WriteByte((byte)(0x80 | len));
while (len-- > 0)
ms.WriteByte(ctx.ReadByte());
}
while (!ctx.Done());
ms.WriteByte(0x80); // terminator -- 0-length run.
return ms.ToArray();
}
public static int EncodeInto(byte[] src, byte[] dest)
{
/* quick & dirty format80 encoder -- only uses raw copy operator, terminated with a zero-run. */
/* this does not produce good compression, but it's valid format80 */
var destIndex = 0;
var ctx = new FastByteReader(src);
do
{
var len = Math.Min(ctx.Remaining(), 0x3F);
dest[destIndex++] = (byte)(0x80 | len);
if (len > 0)
ctx.CopyTo(dest, destIndex, len);
}
while (!ctx.Done());
return destIndex;
}
