size_t ByteQueue::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking)
{
if (blocking)
{
lword bytesLeft = transferBytes;
for (ByteQueueNode *current=m_head; bytesLeft && current; current=current->next)
bytesLeft -= current->TransferTo(target, bytesLeft, channel);
CleanupUsedNodes();
size_t len = (size_t)STDMIN(bytesLeft, (lword)m_lazyLength);
if (len)
{
if (m_lazyStringModifiable)
target.ChannelPutModifiable(channel, m_lazyString, len);
else
target.ChannelPut(channel, m_lazyString, len);
m_lazyString += len;
m_lazyLength -= len;
bytesLeft -= len;
}
transferBytes -= bytesLeft;
return 0;
}
else
{
Walker walker(*this);
size_t blockedBytes = walker.TransferTo2(target, transferBytes, channel, blocking);
Skip(transferBytes);
return blockedBytes;
}
}
unsigned int ByteQueue::TransferTo2(BufferedTransformation &target, unsigned long &transferBytes, const std::string &channel, bool blocking)
{
if (blocking)
{
unsigned long bytesLeft = transferBytes;
for (ByteQueueNode *current=m_head; bytesLeft && current; current=current->next)
bytesLeft -= current->TransferTo(target, bytesLeft, channel);
CleanupUsedNodes();
unsigned int len = (unsigned int)STDMIN(bytesLeft, (unsigned long)m_lazyLength);
if (len)
{
target.ChannelPut(channel, m_lazyString, len);
m_lazyString += len;
m_lazyLength -= len;
bytesLeft -= len;
}
transferBytes -= bytesLeft;
return 0;
}
else
{
Walker walker(*this);
unsigned int blockedBytes = walker.TransferTo2(target, transferBytes, channel, blocking);
Skip(transferBytes);
return blockedBytes;
}
}
size_t ByteQueue::Get(byte &outByte)
{
if (m_head->Get(outByte))
{
if (m_head->UsedUp())
CleanupUsedNodes();
return 1;
}
else if (m_lazyLength > 0)
{
outByte = *m_lazyString++;
m_lazyLength--;
return 1;
}
else
return 0;
}