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#ifndef _RAR_QOPEN_
#define _RAR_QOPEN_
struct QuickOpenItem
{
byte *Header;
size_t HeaderSize;
uint64 ArcPos;
QuickOpenItem *Next;
};
class Archive;
class RawRead;
class QuickOpen
{
private:
void Close();
uint ReadBuffer();
bool ReadRaw(RawRead &Raw);
bool ReadNext();
Archive *Arc;
bool WriteMode;
QuickOpenItem *ListStart;
QuickOpenItem *ListEnd;
byte *Buf;
static const size_t MaxBufSize=0x10000; // Must be multiple of CRYPT_BLOCK_SIZE.
size_t CurBufSize;
#ifndef RAR_NOCRYPT // For shell extension.
CryptData Crypt;
#endif
bool Loaded;
uint64 QLHeaderPos;
uint64 RawDataStart;
uint64 RawDataSize;
uint64 RawDataPos;
size_t ReadBufSize;
size_t ReadBufPos;
Array<byte> LastReadHeader;
uint64 LastReadHeaderPos;
uint64 SeekPos;
bool UnsyncSeekPos; // QOpen SeekPos does not match an actual file pointer.
public:
QuickOpen();
~QuickOpen();
void Init(Archive *Arc,bool WriteMode);
void Load(uint64 BlockPos);
void Unload() { Loaded=false; }
bool Read(void *Data,size_t Size,size_t &Result);
bool Seek(int64 Offset,int Method);
bool Tell(int64 *Pos);
};
#endif
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