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#ifndef _RAR_RAWREAD_
#define _RAR_RAWREAD_
class RawRead
{
private:
Array<byte> Data;
File *SrcFile;
size_t DataSize;
size_t ReadPos;
#ifndef SHELL_EXT
CryptData *Crypt;
#endif
public:
RawRead();
RawRead(File *SrcFile);
void Reset();
size_t Read(size_t Size);
void Read(byte *SrcData,size_t Size);
byte Get1();
ushort Get2();
uint Get4();
uint64 Get8();
uint64 GetV();
uint GetVSize(size_t Pos);
size_t GetB(void *Field,size_t Size);
void GetW(wchar *Field,size_t Size);
uint GetCRC15(bool ProcessedOnly);
uint GetCRC50();
byte* GetDataPtr() {return &Data[0];}
size_t Size() {return DataSize;}
size_t PaddedSize() {return Data.Size()-DataSize;}
size_t DataLeft() {return DataSize-ReadPos;}
size_t GetPos() {return ReadPos;}
void SetPos(size_t Pos) {ReadPos=Pos;}
void Skip(size_t Size) {ReadPos+=Size;}
void Rewind() {SetPos(0);}
#ifndef SHELL_EXT
void SetCrypt(CryptData *Crypt) {RawRead::Crypt=Crypt;}
#endif
};
uint64 RawGetV(const byte *Data,uint &ReadPos,uint DataSize,bool &Overflow);
inline uint RawGet2(const void *Data)
{
byte *D=(byte *)Data;
return D[0]+(D[1]<<8);
}
inline uint RawGet4(const void *Data)
{
byte *D=(byte *)Data;
#if defined(BIG_ENDIAN) || !defined(ALLOW_MISALIGNED) || !defined(PRESENT_INT32)
return D[0]+(D[1]<<8)+(D[2]<<16)+(D[3]<<24);
#else
return GET_UINT32(*(uint32 *)D);
#endif
}
inline uint64 RawGet8(const void *Data)
{
byte *D=(byte *)Data;
return INT32TO64(RawGet4(D+4),RawGet4(D));
}
// We need these "put" functions also in UnRAR code. This is why they are
// in rawread.hpp file even though they are "write" functions.
inline void RawPut2(uint Field,void *Data)
{
byte *D=(byte *)Data;
D[0]=(byte)(Field);
D[1]=(byte)(Field>>8);
}
inline void RawPut4(uint Field,void *Data)
{
byte *D=(byte *)Data;
#if defined(BIG_ENDIAN) || !defined(ALLOW_MISALIGNED) || !defined(PRESENT_INT32)
D[0]=(byte)(Field);
D[1]=(byte)(Field>>8);
D[2]=(byte)(Field>>16);
D[3]=(byte)(Field>>24);
#else
*(uint32 *)D=Field;
#endif
}
inline void RawPut8(uint64 Field,void *Data)
{
byte *D=(byte *)Data;
D[0]=(byte)(Field);
D[1]=(byte)(Field>>8);
D[2]=(byte)(Field>>16);
D[3]=(byte)(Field>>24);
D[4]=(byte)(Field>>32);
D[5]=(byte)(Field>>40);
D[6]=(byte)(Field>>48);
D[7]=(byte)(Field>>56);
}
#endif
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