void Inflator::ProcessInput(bool flush)
{
while (true)
{
if (m_inQueue.IsEmpty())
return;
switch (m_state)
{
case PRE_STREAM:
if (!flush && m_inQueue.CurrentSize() < MaxPrestreamHeaderSize())
return;
ProcessPrestreamHeader();
m_state = WAIT_HEADER;
m_maxDistance = 0;
m_current = 0;
m_lastFlush = 0;
m_window.Resize(1 << GetLog2WindowSize());
break;
case WAIT_HEADER:
{
// maximum number of bytes before actual compressed data starts
const unsigned int MAX_HEADER_SIZE = bitsToBytes(3+5+5+4+19*7+286*15+19*15);
if (m_inQueue.CurrentSize() < (flush ? 1 : MAX_HEADER_SIZE))
return;
DecodeHeader();
break;
}
case DECODING_BODY:
if (!DecodeBody())
return;
break;
case POST_STREAM:
if (!flush && m_inQueue.CurrentSize() < MaxPoststreamTailSize())
return;
ProcessPoststreamTail();
m_state = m_repeat ? PRE_STREAM : AFTER_END;
Filter::MessageEnd(GetAutoSignalPropagation());
break;
case AFTER_END:
m_inQueue.TransferTo(*AttachedTransformation());
return;
}
}
}
void Inflator::ProcessInput(bool flush)
{
while (true)
{
switch (m_state)
{
case PRE_STREAM:
if (!flush && m_inQueue.CurrentSize() < MaxPrestreamHeaderSize())
return;
ProcessPrestreamHeader();
m_state = WAIT_HEADER;
m_wrappedAround = false;
m_current = 0;
m_lastFlush = 0;
m_window.New(1 << GetLog2WindowSize());
break;
case WAIT_HEADER:
{
// maximum number of bytes before actual compressed data starts
const size_t MAX_HEADER_SIZE = BitsToBytes(3+5+5+4+19*7+286*15+19*15);
if (m_inQueue.CurrentSize() < (flush ? 1 : MAX_HEADER_SIZE))
return;
DecodeHeader();
break;
}
case DECODING_BODY:
if (!DecodeBody())
return;
break;
case POST_STREAM:
if (!flush && m_inQueue.CurrentSize() < MaxPoststreamTailSize())
return;
ProcessPoststreamTail();
m_state = m_repeat ? PRE_STREAM : AFTER_END;
Output(0, NULL, 0, GetAutoSignalPropagation(), true); // TODO: non-blocking
if (m_inQueue.IsEmpty())
return;
break;
case AFTER_END:
m_inQueue.TransferTo(*AttachedTransformation());
return;
}
}
}
