BOOL C4Playback::ReadBinary(const StdBuf &Buf) {
// sequential reading: Take over rest from last buffer
const StdBuf *pUseBuf;
uint32_t iFrame = 0;
if (fLoadSequential) {
sequentialBuffer.Append(Buf);
pUseBuf = &sequentialBuffer;
iFrame = iLastSequentialFrame;
} else
pUseBuf = &Buf;
// get buffer data
size_t iPos = 0;
bool fFinished = false;
do {
// unpack header
if (pUseBuf->getSize() - iPos < sizeof(C4RecordChunkHead)) break;
const C4RecordChunkHead *pHead =
getBufPtr<C4RecordChunkHead>(*pUseBuf, iPos);
// get chunk
iPos += sizeof(C4RecordChunkHead);
StdBuf Chunk = pUseBuf->getPart(iPos, pUseBuf->getSize() - iPos);
// Create entry
C4RecordChunk c;
c.Frame = (iFrame += pHead->iFrm);
c.Type = pHead->Type;
// Unpack data
try {
// Initialize compiler
StdCompilerBinRead Compiler;
Compiler.setInput(Chunk.getRef());
Compiler.Begin();
// Read chunk
switch (pHead->Type) {
case RCT_Ctrl:
Compiler.Value(mkPtrAdaptNoNull(c.pCtrl));
break;
case RCT_CtrlPkt:
Compiler.Value(mkPtrAdaptNoNull(c.pPkt));
break;
case RCT_End:
fFinished = true;
break;
case RCT_File:
Compiler.Value(c.Filename);
Compiler.Value(mkPtrAdaptNoNull(c.pFileData));
break;
default:
// debugrec
if (pHead->Type >= 0x80) Compiler.Value(mkPtrAdaptNoNull(c.pDbg));
}
// Advance over data
Compiler.End();
iPos += Compiler.getPosition();
} catch (StdCompiler::EOFException *pEx) {
// This is to be expected for sequential reading
if (fLoadSequential) {
iPos -= sizeof(C4RecordChunkHead);
iFrame -= pHead->iFrm;
delete pEx;
break;
}
LogF("Record: Binary unpack error: %s", pEx->Msg.getData());
c.Delete();
delete pEx;
return FALSE;
} catch (StdCompiler::Exception *pEx) {
LogF("Record: Binary unpack error: %s", pEx->Msg.getData());
c.Delete();
delete pEx;
return FALSE;
}
// Add to list
chunks.push_back(c);
c.pPkt = NULL;
} while (!fFinished);
// erase everything but the trailing part from sequential buffer
if (fLoadSequential) {
if (iPos >= sequentialBuffer.getSize())
sequentialBuffer.Clear();
else if (iPos) {
sequentialBuffer.Move(iPos, sequentialBuffer.getSize() - iPos);
sequentialBuffer.Shrink(iPos);
}
iLastSequentialFrame = iFrame;
}
return TRUE;
}
