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// 7zItem.h
#ifndef __7Z_ITEM_H
#define __7Z_ITEM_H
#include "../../../Common/Buffer.h"
#include "7zMethodID.h"
#include "7zHeader.h"
namespace NArchive {
namespace N7z {
struct CAltCoderInfo
{
CMethodID MethodID;
CByteBuffer Properties;
};
typedef UInt32 CNum;
const CNum kNumMax = 0x7FFFFFFF;
const CNum kNumNoIndex = 0xFFFFFFFF;
struct CCoderInfo
{
CNum NumInStreams;
CNum NumOutStreams;
CObjectVector<CAltCoderInfo> AltCoders;
bool IsSimpleCoder() const { return (NumInStreams == 1) && (NumOutStreams == 1); }
};
struct CBindPair
{
CNum InIndex;
CNum OutIndex;
};
struct CFolder
{
CObjectVector<CCoderInfo> Coders;
CRecordVector<CBindPair> BindPairs;
CRecordVector<CNum> PackStreams;
CRecordVector<UInt64> UnPackSizes;
UInt32 UnPackCRC;
bool UnPackCRCDefined;
CFolder(): UnPackCRCDefined(false) {}
UInt64 GetUnPackSize() const // test it
{
if (UnPackSizes.IsEmpty())
return 0;
for (int i = UnPackSizes.Size() - 1; i >= 0; i--)
if (FindBindPairForOutStream(i) < 0)
return UnPackSizes[i];
throw 1;
}
CNum GetNumOutStreams() const
{
CNum result = 0;
for (int i = 0; i < Coders.Size(); i++)
result += Coders[i].NumOutStreams;
return result;
}
int FindBindPairForInStream(CNum inStreamIndex) const
{
for(int i = 0; i < BindPairs.Size(); i++)
if (BindPairs[i].InIndex == inStreamIndex)
return i;
return -1;
}
int FindBindPairForOutStream(CNum outStreamIndex) const
{
for(int i = 0; i < BindPairs.Size(); i++)
if (BindPairs[i].OutIndex == outStreamIndex)
return i;
return -1;
}
int FindPackStreamArrayIndex(CNum inStreamIndex) const
{
for(int i = 0; i < PackStreams.Size(); i++)
if (PackStreams[i] == inStreamIndex)
return i;
return -1;
}
};
typedef FILETIME CArchiveFileTime;
class CFileItem
{
public:
CArchiveFileTime CreationTime;
CArchiveFileTime LastWriteTime;
CArchiveFileTime LastAccessTime;
UInt64 UnPackSize;
UInt64 StartPos;
UInt32 Attributes;
UInt32 FileCRC;
UString Name;
bool HasStream; // Test it !!! it means that there is
// stream in some folder. It can be empty stream
bool IsDirectory;
bool IsAnti;
bool IsFileCRCDefined;
bool AreAttributesDefined;
bool IsCreationTimeDefined;
bool IsLastWriteTimeDefined;
bool IsLastAccessTimeDefined;
bool IsStartPosDefined;
/*
const bool HasStream() const {
return !IsDirectory && !IsAnti && UnPackSize != 0; }
*/
CFileItem():
HasStream(true),
IsDirectory(false),
IsAnti(false),
IsFileCRCDefined(false),
AreAttributesDefined(false),
IsCreationTimeDefined(false),
IsLastWriteTimeDefined(false),
IsLastAccessTimeDefined(false),
IsStartPosDefined(false)
{}
void SetAttributes(UInt32 attributes)
{
AreAttributesDefined = true;
Attributes = attributes;
}
void SetCreationTime(const CArchiveFileTime &creationTime)
{
IsCreationTimeDefined = true;
CreationTime = creationTime;
}
void SetLastWriteTime(const CArchiveFileTime &lastWriteTime)
{
IsLastWriteTimeDefined = true;
LastWriteTime = lastWriteTime;
}
void SetLastAccessTime(const CArchiveFileTime &lastAccessTime)
{
IsLastAccessTimeDefined = true;
LastAccessTime = lastAccessTime;
}
};
struct CArchiveDatabase
{
CRecordVector<UInt64> PackSizes;
CRecordVector<bool> PackCRCsDefined;
CRecordVector<UInt32> PackCRCs;
CObjectVector<CFolder> Folders;
CRecordVector<CNum> NumUnPackStreamsVector;
CObjectVector<CFileItem> Files;
void Clear()
{
PackSizes.Clear();
PackCRCsDefined.Clear();
PackCRCs.Clear();
Folders.Clear();
NumUnPackStreamsVector.Clear();
Files.Clear();
}
bool IsEmpty() const
{
return (PackSizes.IsEmpty() &&
PackCRCsDefined.IsEmpty() &&
PackCRCs.IsEmpty() &&
Folders.IsEmpty() &&
NumUnPackStreamsVector.IsEmpty() &&
Files.IsEmpty());
}
};
}}
#endif
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