public IDecodingState Decode(IoBuffer input, IProtocolDecoderOutput output)
{
Int32 terminatorPos = input.IndexOf(_terminator);
if (terminatorPos >= 0)
{
Int32 limit = input.Limit;
IoBuffer product;
if (input.Position < terminatorPos)
{
input.Limit = terminatorPos;
if (_buffer == null)
{
product = input.Slice();
}
else
{
_buffer.Put(input);
product = _buffer.Flip();
_buffer = null;
}
input.Limit = limit;
}
else
{
// When input contained only terminator rather than actual data...
if (_buffer == null)
{
product = IoBuffer.Allocate(0);
}
else
{
product = _buffer.Flip();
_buffer = null;
}
}
input.Position = terminatorPos + 1;
return FinishDecode(product, output);
}
if (_buffer == null)
{
_buffer = IoBuffer.Allocate(input.Remaining);
_buffer.AutoExpand = true;
}
_buffer.Put(input);
return this;
}
public void TestIndexOf()
{
for (int i = 0; i < 2; i++)
{
IoBuffer buf = IoBuffer.Allocate(16);
buf.Put((byte)0x1);
buf.Put((byte)0x2);
buf.Put((byte)0x3);
buf.Put((byte)0x4);
buf.Put((byte)0x1);
buf.Put((byte)0x2);
buf.Put((byte)0x3);
buf.Put((byte)0x4);
buf.Position = 2;
buf.Limit = 5;
Assert.AreEqual(4, buf.IndexOf((byte)0x1));
Assert.AreEqual(-1, buf.IndexOf((byte)0x2));
Assert.AreEqual(2, buf.IndexOf((byte)0x3));
Assert.AreEqual(3, buf.IndexOf((byte)0x4));
}
}
/// <inheritdoc/>
public override Int32 IndexOf(Byte b)
{
return(_buf.IndexOf(b));
}