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// 7zItem.h
#ifndef __7Z_ITEM_H
#define __7Z_ITEM_H
#include "../../../Common/MyBuffer.h"
#include "../../../Common/MyString.h"
#include "../../Common/MethodId.h"
#include "7zHeader.h"
namespace NArchive {
namespace N7z {
typedef UInt32 CNum;
const CNum kNumMax = 0x7FFFFFFF;
const CNum kNumNoIndex = 0xFFFFFFFF;
struct CCoderInfo
{
CMethodId MethodID;
CByteBuffer Props;
UInt32 NumStreams;
bool IsSimpleCoder() const { return NumStreams == 1; }
};
struct CBond
{
UInt32 PackIndex;
UInt32 UnpackIndex;
};
struct CFolder
{
CLASS_NO_COPY(CFolder)
public:
CObjArray2<CCoderInfo> Coders;
CObjArray2<CBond> Bonds;
CObjArray2<UInt32> PackStreams;
CFolder() {}
bool IsDecodingSupported() const { return Coders.Size() <= 32; }
int Find_in_PackStreams(UInt32 packStream) const
{
FOR_VECTOR(i, PackStreams)
if (PackStreams[i] == packStream)
return i;
return -1;
}
int FindBond_for_PackStream(UInt32 packStream) const
{
FOR_VECTOR(i, Bonds)
if (Bonds[i].PackIndex == packStream)
return i;
return -1;
}
/*
int FindBond_for_UnpackStream(UInt32 unpackStream) const
{
FOR_VECTOR(i, Bonds)
if (Bonds[i].UnpackIndex == unpackStream)
return i;
return -1;
}
int FindOutCoder() const
{
for (int i = (int)Coders.Size() - 1; i >= 0; i--)
if (FindBond_for_UnpackStream(i) < 0)
return i;
return -1;
}
*/
bool IsEncrypted() const
{
FOR_VECTOR(i, Coders)
if (Coders[i].MethodID == k_AES)
return true;
return false;
}
};
struct CUInt32DefVector
{
CBoolVector Defs;
CRecordVector<UInt32> Vals;
void ClearAndSetSize(unsigned newSize)
{
Defs.ClearAndSetSize(newSize);
Vals.ClearAndSetSize(newSize);
}
void Clear()
{
Defs.Clear();
Vals.Clear();
}
void ReserveDown()
{
Defs.ReserveDown();
Vals.ReserveDown();
}
bool ValidAndDefined(unsigned i) const { return i < Defs.Size() && Defs[i]; }
};
struct CUInt64DefVector
{
CBoolVector Defs;
CRecordVector<UInt64> Vals;
void Clear()
{
Defs.Clear();
Vals.Clear();
}
void ReserveDown()
{
Defs.ReserveDown();
Vals.ReserveDown();
}
bool GetItem(unsigned index, UInt64 &value) const
{
if (index < Defs.Size() && Defs[index])
{
value = Vals[index];
return true;
}
value = 0;
return false;
}
void SetItem(unsigned index, bool defined, UInt64 value);
bool CheckSize(unsigned size) const { return Defs.Size() == size || Defs.Size() == 0; }
};
struct CFileItem
{
UInt64 Size;
UInt32 Attrib;
UInt32 Crc;
/*
int Parent;
bool IsAltStream;
*/
bool HasStream; // Test it !!! it means that there is
// stream in some folder. It can be empty stream
bool IsDir;
bool CrcDefined;
bool AttribDefined;
CFileItem():
/*
Parent(-1),
IsAltStream(false),
*/
HasStream(true),
IsDir(false),
CrcDefined(false),
AttribDefined(false)
{}
void SetAttrib(UInt32 attrib)
{
AttribDefined = true;
Attrib = attrib;
}
};
}}
#endif
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