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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 {
const UInt64 k_AES = 0x06F10701;
typedef UInt32 CNum;
const CNum kNumMax = 0x7FFFFFFF;
const CNum kNumNoIndex = 0xFFFFFFFF;
struct CCoderInfo
{
CMethodId MethodID;
CByteBuffer Props;
CNum NumInStreams;
CNum NumOutStreams;
bool IsSimpleCoder() const { return (NumInStreams == 1) && (NumOutStreams == 1); }
};
struct CBindPair
{
CNum InIndex;
CNum OutIndex;
};
struct CFolder
{
CObjArray2<CCoderInfo> Coders;
CObjArray2<CBindPair> BindPairs;
CObjArray2<CNum> PackStreams;
CNum GetNumOutStreams() const
{
CNum result = 0;
FOR_VECTOR(i, Coders)
result += Coders[i].NumOutStreams;
return result;
}
int FindBindPairForInStream(CNum inStreamIndex) const
{
FOR_VECTOR(i, BindPairs)
if (BindPairs[i].InIndex == inStreamIndex)
return i;
return -1;
}
int FindBindPairForOutStream(CNum outStreamIndex) const
{
FOR_VECTOR(i, BindPairs)
if (BindPairs[i].OutIndex == outStreamIndex)
return i;
return -1;
}
int FindPackStreamArrayIndex(CNum inStreamIndex) const
{
FOR_VECTOR(i, PackStreams)
if (PackStreams[i] == inStreamIndex)
return i;
return -1;
}
int GetIndexOfMainOutStream() const
{
for (int i = (int)GetNumOutStreams() - 1; i >= 0; i--)
if (FindBindPairForOutStream(i) < 0)
return i;
throw 1;
}
bool IsEncrypted() const
{
for (int i = Coders.Size() - 1; i >= 0; i--)
if (Coders[i].MethodID == k_AES)
return true;
return false;
}
bool CheckStructure(unsigned numUnpackSizes) const;
};
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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