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// Archive/ZipItem.h
#ifndef __ARCHIVE_ZIP_ITEM_H
#define __ARCHIVE_ZIP_ITEM_H
#include "Common/Types.h"
#include "Common/String.h"
#include "Common/Buffer.h"
#include "ZipHeader.h"
namespace NArchive {
namespace NZip {
struct CVersion
{
Byte Version;
Byte HostOS;
};
bool operator==(const CVersion &v1, const CVersion &v2);
bool operator!=(const CVersion &v1, const CVersion &v2);
struct CExtraSubBlock
{
UInt16 ID;
CByteBuffer Data;
};
struct CExtraBlock
{
CObjectVector<CExtraSubBlock> SubBlocks;
void Clear() { SubBlocks.Clear(); }
UInt32 GetSize() const
{
UInt32 res = 0;
for (int i = 0; i < SubBlocks.Size(); i++)
res += SubBlocks[i].Data.GetCapacity() + 2 + 2;
return res;
}
};
class CItem
{
public:
CVersion MadeByVersion;
CVersion ExtractVersion;
UInt16 Flags;
UInt16 CompressionMethod;
UInt32 Time;
UInt32 FileCRC;
UInt64 PackSize;
UInt64 UnPackSize;
UInt16 InternalAttributes;
UInt32 ExternalAttributes;
AString Name;
UInt64 LocalHeaderPosition;
UInt16 LocalExtraSize;
CExtraBlock CentralExtra;
CByteBuffer Comment;
bool IsEncrypted() const;
bool IsImplodeBigDictionary() const;
bool IsImplodeLiteralsOn() const;
bool IsDirectory() const;
bool IgnoreItem() const { return false; }
UInt32 GetWinAttributes() const;
bool HasDescriptor() const;
WORD GetCodePage() const
{
return (MadeByVersion.HostOS == NFileHeader::NHostOS::kFAT
|| MadeByVersion.HostOS == NFileHeader::NHostOS::kNTFS
) ? CP_OEMCP : CP_ACP;
}
private:
void SetFlagBits(int startBitNumber, int numBits, int value);
void SetBitMask(int bitMask, bool enable);
public:
void ClearFlags();
void SetEncrypted(bool encrypted);
};
}}
#endif
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