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// CWrappers.h
#ifndef __C_WRAPPERS_H
#define __C_WRAPPERS_H
#include "../ICoder.h"
#include "../../Common/MyCom.h"
SRes HRESULT_To_SRes(HRESULT res, SRes defaultRes) throw();
HRESULT SResToHRESULT(SRes res) throw();
struct CCompressProgressWrap
{
ICompressProgress vt;
ICompressProgressInfo *Progress;
HRESULT Res;
void Init(ICompressProgressInfo *progress) throw();
};
struct CSeqInStreamWrap
{
ISeqInStream vt;
ISequentialInStream *Stream;
HRESULT Res;
UInt64 Processed;
void Init(ISequentialInStream *stream) throw();
};
struct CSeekInStreamWrap
{
ISeekInStream vt;
IInStream *Stream;
HRESULT Res;
void Init(IInStream *stream) throw();
};
struct CSeqOutStreamWrap
{
ISeqOutStream vt;
ISequentialOutStream *Stream;
HRESULT Res;
UInt64 Processed;
void Init(ISequentialOutStream *stream) throw();
};
struct CByteInBufWrap
{
IByteIn vt;
const Byte *Cur;
const Byte *Lim;
Byte *Buf;
UInt32 Size;
ISequentialInStream *Stream;
UInt64 Processed;
bool Extra;
HRESULT Res;
CByteInBufWrap();
~CByteInBufWrap() { Free(); }
void Free() throw();
bool Alloc(UInt32 size) throw();
void Init()
{
Lim = Cur = Buf;
Processed = 0;
Extra = false;
Res = S_OK;
}
UInt64 GetProcessed() const { return Processed + (Cur - Buf); }
Byte ReadByteFromNewBlock() throw();
Byte ReadByte()
{
if (Cur != Lim)
return *Cur++;
return ReadByteFromNewBlock();
}
};
struct CByteOutBufWrap
{
IByteOut vt;
Byte *Cur;
const Byte *Lim;
Byte *Buf;
size_t Size;
ISequentialOutStream *Stream;
UInt64 Processed;
HRESULT Res;
CByteOutBufWrap() throw();
~CByteOutBufWrap() { Free(); }
void Free() throw();
bool Alloc(size_t size) throw();
void Init()
{
Cur = Buf;
Lim = Buf + Size;
Processed = 0;
Res = S_OK;
}
UInt64 GetProcessed() const { return Processed + (Cur - Buf); }
HRESULT Flush() throw();
void WriteByte(Byte b)
{
*Cur++ = b;
if (Cur == Lim)
Flush();
}
};
#endif
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