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// ZipOut.h
#ifndef __ZIP_OUT_H
#define __ZIP_OUT_H
#include "../../../Common/MyCom.h"
#include "../../Common/OutBuffer.h"
#include "ZipItem.h"
namespace NArchive {
namespace NZip {
class CItemOut: public CItem
{
public:
FILETIME Ntfs_MTime;
FILETIME Ntfs_ATime;
FILETIME Ntfs_CTime;
bool NtfsTimeIsDefined;
// It's possible that NtfsTime is not defined, but there is NtfsTime in Extra.
CByteBuffer Name_Utf; // for Info-Zip (kIzUnicodeName) Extra
size_t Get_UtfName_ExtraSize() const
{
const size_t size = Name_Utf.Size();
if (size == 0)
return 0;
return 4 + 5 + size;
}
CItemOut(): NtfsTimeIsDefined(false) {}
};
// COutArchive can throw CSystemException and COutBufferException
class COutArchive
{
COutBuffer m_OutBuffer;
CMyComPtr<IOutStream> m_Stream;
UInt64 m_Base; // Base of archive (offset in output Stream)
UInt64 m_CurPos; // Curent position in archive (relative from m_Base)
UInt64 m_LocalHeaderPos; // LocalHeaderPos (relative from m_Base) for last WriteLocalHeader() call
UInt32 m_LocalFileHeaderSize;
UInt32 m_ExtraSize;
bool m_IsZip64;
void WriteBytes(const void *data, size_t size);
void Write8(Byte b);
void Write16(UInt16 val);
void Write32(UInt32 val);
void Write64(UInt64 val);
void WriteNtfsTime(const FILETIME &ft)
{
Write32(ft.dwLowDateTime);
Write32(ft.dwHighDateTime);
}
void WriteUtfName(const CItemOut &item);
void WriteExtra(const CExtraBlock &extra);
void WriteCommonItemInfo(const CLocalItem &item, bool isZip64);
void WriteCentralHeader(const CItemOut &item);
void SeekToCurPos();
public:
HRESULT Create(IOutStream *outStream);
UInt64 GetCurPos() const { return m_CurPos; }
void MoveCurPos(UInt64 distanceToMove)
{
m_CurPos += distanceToMove;
}
void WriteLocalHeader(CItemOut &item, bool needCheck = false);
void WriteLocalHeader_Replace(CItemOut &item);
void WriteDescriptor(const CItemOut &item);
void WriteCentralDir(const CObjectVector<CItemOut> &items, const CByteBuffer *comment);
void CreateStreamForCompressing(CMyComPtr<IOutStream> &outStream);
void CreateStreamForCopying(CMyComPtr<ISequentialOutStream> &outStream);
};
}}
#endif
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