public int Decode(byte[] buffer, int offset, int length)
{
CodecInputStream s = new CodecInputStream(
buffer, offset, length);
try {
DecodeFromStream(s);
} catch (Exception e) {
if (e is CodecException ||
e is ArgumentException ||
e is DecoderFallbackException)
{
return(-1);
}
else
{
throw;
}
}
return(s.GetReadSize());
}
public abstract void DecodeFromStream(CodecInputStream s);