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// 7zProperties.cpp
#include "StdAfx.h"
#include "7zProperties.h"
#include "7zHeader.h"
#include "7zHandler.h"
// #define _MULTI_PACK
namespace NArchive {
namespace N7z {
struct CPropMap
{
UInt64 FilePropID;
STATPROPSTG StatPROPSTG;
};
CPropMap kPropMap[] =
{
{ NID::kName, NULL, kpidPath, VT_BSTR},
{ NID::kSize, NULL, kpidSize, VT_UI8},
{ NID::kPackInfo, NULL, kpidPackedSize, VT_UI8},
#ifdef _MULTI_PACK
{ 100, L"Pack0", kpidPackedSize0, VT_UI8},
{ 101, L"Pack1", kpidPackedSize1, VT_UI8},
{ 102, L"Pack2", kpidPackedSize2, VT_UI8},
{ 103, L"Pack3", kpidPackedSize3, VT_UI8},
{ 104, L"Pack4", kpidPackedSize4, VT_UI8},
#endif
{ NID::kCreationTime, NULL, kpidCreationTime, VT_FILETIME},
{ NID::kLastWriteTime, NULL, kpidLastWriteTime, VT_FILETIME},
{ NID::kLastAccessTime, NULL, kpidLastAccessTime, VT_FILETIME},
{ NID::kWinAttributes, NULL, kpidAttributes, VT_UI4},
{ NID::kStartPos, NULL, kpidPosition, VT_UI4},
{ NID::kCRC, NULL, kpidCRC, VT_UI4},
{ NID::kAnti, NULL, kpidIsAnti, VT_BOOL},
#ifndef _SFX
{ 97, NULL, kpidEncrypted, VT_BOOL},
{ 98, NULL, kpidMethod, VT_BSTR},
{ 99, NULL, kpidBlock, VT_UI4}
#endif
};
static const int kPropMapSize = sizeof(kPropMap) / sizeof(kPropMap[0]);
static int FindPropInMap(UInt64 filePropID)
{
for (int i = 0; i < kPropMapSize; i++)
if (kPropMap[i].FilePropID == filePropID)
return i;
return -1;
}
static void CopyOneItem(CRecordVector<UInt64> &src,
CRecordVector<UInt64> &dest, UInt32 item)
{
for (int i = 0; i < src.Size(); i++)
if (src[i] == item)
{
dest.Add(item);
src.Delete(i);
return;
}
}
static void RemoveOneItem(CRecordVector<UInt64> &src, UInt32 item)
{
for (int i = 0; i < src.Size(); i++)
if (src[i] == item)
{
src.Delete(i);
return;
}
}
static void InsertToHead(CRecordVector<UInt64> &dest, UInt32 item)
{
for (int i = 0; i < dest.Size(); i++)
if (dest[i] == item)
{
dest.Delete(i);
break;
}
dest.Insert(0, item);
}
void CHandler::FillPopIDs()
{
_fileInfoPopIDs.Clear();
#ifdef _7Z_VOL
if(_volumes.Size() < 1)
return;
const CVolume &volume = _volumes.Front();
const CArchiveDatabaseEx &_database = volume.Database;
#endif
CRecordVector<UInt64> fileInfoPopIDs = _database.ArchiveInfo.FileInfoPopIDs;
RemoveOneItem(fileInfoPopIDs, NID::kEmptyStream);
RemoveOneItem(fileInfoPopIDs, NID::kEmptyFile);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kName);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kAnti);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kSize);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kPackInfo);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kCreationTime);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kLastWriteTime);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kLastAccessTime);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kWinAttributes);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kCRC);
CopyOneItem(fileInfoPopIDs, _fileInfoPopIDs, NID::kComment);
_fileInfoPopIDs += fileInfoPopIDs;
#ifndef _SFX
_fileInfoPopIDs.Add(97);
_fileInfoPopIDs.Add(98);
_fileInfoPopIDs.Add(99);
#endif
#ifdef _MULTI_PACK
_fileInfoPopIDs.Add(100);
_fileInfoPopIDs.Add(101);
_fileInfoPopIDs.Add(102);
_fileInfoPopIDs.Add(103);
_fileInfoPopIDs.Add(104);
#endif
#ifndef _SFX
InsertToHead(_fileInfoPopIDs, NID::kLastWriteTime);
InsertToHead(_fileInfoPopIDs, NID::kPackInfo);
InsertToHead(_fileInfoPopIDs, NID::kSize);
InsertToHead(_fileInfoPopIDs, NID::kName);
#endif
}
STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProperties)
{
*numProperties = _fileInfoPopIDs.Size();
return S_OK;
}
STDMETHODIMP CHandler::GetPropertyInfo(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType)
{
if ((int)index >= _fileInfoPopIDs.Size())
return E_INVALIDARG;
int indexInMap = FindPropInMap(_fileInfoPopIDs[index]);
if (indexInMap == -1)
return E_INVALIDARG;
const STATPROPSTG &srcItem = kPropMap[indexInMap].StatPROPSTG;
*propID = srcItem.propid;
*varType = srcItem.vt;
*name = 0;
return S_OK;
}
}}
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