bool CMemoryByteSourceReader::EndOfData(void) const
{
if (!m_CurrentChunk) {
return true;
}
if (GetCurrentChunkAvailable() != 0) {
return false;
}
return !(m_CurrentChunk->GetNextChunk());
}
size_t CMemoryByteSourceReader::Read(char* buffer, size_t bufferLength)
{
while ( m_CurrentChunk ) {
size_t avail = GetCurrentChunkAvailable();
if ( avail == 0 ) {
// End of current chunk
CConstRef<CMemoryChunk> rest = m_CurrentChunk->GetNextChunk();
m_CurrentChunk = rest;
m_CurrentChunkOffset = 0;
}
else {
size_t c = min(bufferLength, avail);
memcpy(buffer, m_CurrentChunk->GetData(m_CurrentChunkOffset), c);
m_CurrentChunkOffset += c;
return c;
}
}
return 0;
}
