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// ZipOut.h
#ifndef __ZIP_OUT_H
#define __ZIP_OUT_H
#include "Common/MyCom.h"
#include "../../IStream.h"
#include "../../Common/OutBuffer.h"
#include "ZipItem.h"
namespace NArchive {
namespace NZip {
// can throw CSystemException and COutBufferException
class COutArchive
{
CMyComPtr<IOutStream> m_Stream;
COutBuffer m_OutBuffer;
UInt64 m_BasePosition;
UInt32 m_LocalFileHeaderSize;
UInt32 m_ExtraSize;
bool m_IsZip64;
void WriteBytes(const void *buffer, UInt32 size);
void WriteByte(Byte b);
void WriteUInt16(UInt16 value);
void WriteUInt32(UInt32 value);
void WriteUInt64(UInt64 value);
void WriteExtraHeader(const CItem &item);
void WriteCentralHeader(const CItem &item);
void WriteExtra(const CExtraBlock &extra);
void SeekTo(UInt64 offset);
public:
void Create(IOutStream *outStream);
void MoveBasePosition(UInt64 distanceToMove);
UInt64 GetCurrentPosition() const { return m_BasePosition; };
void PrepareWriteCompressedDataZip64(UInt16 fileNameLength, bool isZip64, bool aesEncryption);
void PrepareWriteCompressedData(UInt16 fileNameLength, UInt64 unPackSize, bool aesEncryption);
void PrepareWriteCompressedData2(UInt16 fileNameLength, UInt64 unPackSize, UInt64 packSize, bool aesEncryption);
void WriteLocalHeader(const CLocalItem &item);
void WriteCentralDir(const CObjectVector<CItem> &items, const CByteBuffer *comment);
void CreateStreamForCompressing(IOutStream **outStream);
void CreateStreamForCopying(ISequentialOutStream **outStream);
void SeekToPackedDataPosition();
};
}}
#endif
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