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// Iso/Handler.cpp
#include "StdAfx.h"
#include "IsoHandler.h"
#include "Common/Defs.h"
#include "Common/StringConvert.h"
#include "Common/IntToString.h"
#include "Common/NewHandler.h"
#include "Common/ComTry.h"
#include "Windows/Time.h"
#include "Windows/PropVariant.h"
#include "../../Common/ProgressUtils.h"
#include "../../Common/LimitedStreams.h"
#include "../../Compress/Copy/CopyCoder.h"
#include "../Common/ItemNameUtils.h"
using namespace NWindows;
using namespace NTime;
namespace NArchive {
namespace NIso {
STATPROPSTG kProps[] =
{
{ NULL, kpidPath, VT_BSTR},
{ NULL, kpidIsDir, VT_BOOL},
{ NULL, kpidSize, VT_UI8},
{ NULL, kpidPackSize, VT_UI8},
{ NULL, kpidMTime, VT_FILETIME}
};
IMP_IInArchive_Props
IMP_IInArchive_ArcProps_NO
STDMETHODIMP CHandler::Open(IInStream *stream,
const UInt64 * /* maxCheckStartPosition */,
IArchiveOpenCallback * /* openArchiveCallback */)
{
COM_TRY_BEGIN
Close();
// try
{
if(_archive.Open(stream) != S_OK)
return S_FALSE;
_inStream = stream;
}
// catch(...) { return S_FALSE; }
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::Close()
{
_archive.Clear();
_inStream.Release();
return S_OK;
}
STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
{
*numItems = _archive.Refs.Size() + _archive.BootEntries.Size();
return S_OK;
}
STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
{
COM_TRY_BEGIN
NWindows::NCOM::CPropVariant prop;
if (index >= (UInt32)_archive.Refs.Size())
{
index -= _archive.Refs.Size();
const CBootInitialEntry &be = _archive.BootEntries[index];
switch(propID)
{
case kpidPath:
{
// wchar_t name[32];
// ConvertUInt64ToString(index + 1, name);
UString s = L"[BOOT]" WSTRING_PATH_SEPARATOR;
// s += name;
// s += L"-";
s += be.GetName();
prop = (const wchar_t *)s;
break;
}
case kpidIsDir:
prop = false;
break;
case kpidSize:
case kpidPackSize:
prop = (UInt64)_archive.GetBootItemSize(index);
break;
}
}
else
{
const CRef &ref = _archive.Refs[index];
const CDir &item = ref.Dir->_subItems[ref.Index];
switch(propID)
{
case kpidPath:
// if (item.FileId.GetCapacity() >= 0)
{
UString s;
if (_archive.IsJoliet())
s = item.GetPathU();
else
s = MultiByteToUnicodeString(item.GetPath(_archive.IsSusp, _archive.SuspSkipSize), CP_OEMCP);
int pos = s.ReverseFind(L';');
if (pos >= 0 && pos == s.Length() - 2)
if (s[s.Length() - 1] == L'1')
s = s.Left(pos);
if (!s.IsEmpty())
if (s[s.Length() - 1] == L'.')
s = s.Left(s.Length() - 1);
prop = (const wchar_t *)NItemName::GetOSName2(s);
}
break;
case kpidIsDir:
prop = item.IsDir();
break;
case kpidSize:
case kpidPackSize:
if (!item.IsDir())
prop = (UInt64)item.DataLength;
break;
case kpidMTime:
{
FILETIME utcFileTime;
if (item.DateTime.GetFileTime(utcFileTime))
prop = utcFileTime;
/*
else
{
utcFileTime.dwLowDateTime = 0;
utcFileTime.dwHighDateTime = 0;
}
*/
break;
}
}
}
prop.Detach(value);
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
{
COM_TRY_BEGIN
bool testMode = (_aTestMode != 0);
bool allFilesMode = (numItems == UInt32(-1));
if (allFilesMode)
numItems = _archive.Refs.Size();
if(numItems == 0)
return S_OK;
UInt64 totalSize = 0;
UInt32 i;
for(i = 0; i < numItems; i++)
{
UInt32 index = (allFilesMode ? i : indices[i]);
if (index < (UInt32)_archive.Refs.Size())
{
const CRef &ref = _archive.Refs[index];
const CDir &item = ref.Dir->_subItems[ref.Index];
totalSize += item.DataLength;
}
else
{
totalSize += _archive.GetBootItemSize(index - _archive.Refs.Size());
}
}
extractCallback->SetTotal(totalSize);
UInt64 currentTotalSize = 0;
UInt64 currentItemSize;
NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder();
CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
CLocalProgress *lps = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> progress = lps;
lps->Init(extractCallback, false);
CLimitedSequentialInStream *streamSpec = new CLimitedSequentialInStream;
CMyComPtr<ISequentialInStream> inStream(streamSpec);
streamSpec->SetStream(_inStream);
for (i = 0; i < numItems; i++, currentTotalSize += currentItemSize)
{
lps->InSize = lps->OutSize = currentTotalSize;
RINOK(lps->SetCur());
currentItemSize = 0;
CMyComPtr<ISequentialOutStream> realOutStream;
Int32 askMode;
askMode = testMode ? NArchive::NExtract::NAskMode::kTest : NArchive::NExtract::NAskMode::kExtract;
UInt32 index = allFilesMode ? i : indices[i];
RINOK(extractCallback->GetStream(index, &realOutStream, askMode));
UInt64 blockIndex;
if (index < (UInt32)_archive.Refs.Size())
{
const CRef &ref = _archive.Refs[index];
const CDir &item = ref.Dir->_subItems[ref.Index];
if(item.IsDir())
{
RINOK(extractCallback->PrepareOperation(askMode));
RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
continue;
}
currentItemSize = item.DataLength;
blockIndex = item.ExtentLocation;
}
else
{
int bootIndex = index - _archive.Refs.Size();
const CBootInitialEntry &be = _archive.BootEntries[bootIndex];
currentItemSize = _archive.GetBootItemSize(bootIndex);
blockIndex = be.LoadRBA;
}
if (!testMode && (!realOutStream))
continue;
RINOK(extractCallback->PrepareOperation(askMode));
if (testMode)
{
RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
continue;
}
RINOK(_inStream->Seek(blockIndex * _archive.BlockSize, STREAM_SEEK_SET, NULL));
streamSpec->Init(currentItemSize);
RINOK(copyCoder->Code(inStream, realOutStream, NULL, NULL, progress));
realOutStream.Release();
RINOK(extractCallback->SetOperationResult((copyCoderSpec->TotalSize == currentItemSize) ?
NArchive::NExtract::NOperationResult::kOK:
NArchive::NExtract::NOperationResult::kDataError));
}
return S_OK;
COM_TRY_END
}
}}
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