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// BZip2HandlerOut.cpp
#include "StdAfx.h"
#include "BZip2Handler.h"
#include "BZip2Update.h"
#include "Common/Defs.h"
#include "Windows/PropVariant.h"
#include "../../Compress/Copy/CopyCoder.h"
#include "../Common/ParseProperties.h"
using namespace NWindows;
static const UInt32 kNumPassesX1 = 1;
static const UInt32 kNumPassesX7 = 2;
static const UInt32 kNumPassesX9 = 7;
static const UInt32 kDicSizeX1 = 100000;
static const UInt32 kDicSizeX3 = 500000;
static const UInt32 kDicSizeX5 = 900000;
namespace NArchive {
namespace NBZip2 {
STDMETHODIMP CHandler::GetFileTimeType(UInt32 *type)
{
*type = NFileTimeType::kUnix;
return S_OK;
}
static HRESULT CopyStreams(ISequentialInStream *inStream, ISequentialOutStream *outStream)
{
CMyComPtr<ICompressCoder> copyCoder = new NCompress::CCopyCoder;
return copyCoder->Code(inStream, outStream, NULL, NULL, NULL);
}
STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
IArchiveUpdateCallback *updateCallback)
{
if (numItems != 1)
return E_INVALIDARG;
Int32 newData;
Int32 newProperties;
UInt32 indexInArchive;
if (!updateCallback)
return E_FAIL;
RINOK(updateCallback->GetUpdateItemInfo(0,
&newData, &newProperties, &indexInArchive));
if (IntToBool(newProperties))
{
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(0, kpidIsFolder, &propVariant));
if (propVariant.vt == VT_BOOL)
{
if (propVariant.boolVal != VARIANT_FALSE)
return E_INVALIDARG;
}
else if (propVariant.vt != VT_EMPTY)
return E_INVALIDARG;
}
}
if (IntToBool(newData))
{
UInt64 size;
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(0, kpidSize, &propVariant));
if (propVariant.vt != VT_UI8)
return E_INVALIDARG;
size = propVariant.uhVal.QuadPart;
}
UInt32 dicSize = _dicSize;
if (dicSize == 0xFFFFFFFF)
dicSize = (_level >= 5 ? kDicSizeX5 :
(_level >= 3 ? kDicSizeX3 :
kDicSizeX1));
UInt32 numPasses = _numPasses;
if (numPasses == 0xFFFFFFFF)
numPasses = (_level >= 9 ? kNumPassesX9 :
(_level >= 7 ? kNumPassesX7 :
kNumPassesX1));
return UpdateArchive(
EXTERNAL_CODECS_VARS
size, outStream, 0, dicSize, numPasses,
#ifdef COMPRESS_MT
_numThreads,
#endif
updateCallback);
}
if (indexInArchive != 0)
return E_INVALIDARG;
RINOK(_stream->Seek(_streamStartPosition, STREAM_SEEK_SET, NULL));
return CopyStreams(_stream, outStream);
}
STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties)
{
InitMethodProperties();
#ifdef COMPRESS_MT
const UInt32 numProcessors = NSystem::GetNumberOfProcessors();
_numThreads = numProcessors;
#endif
for (int i = 0; i < numProperties; i++)
{
UString name = UString(names[i]);
name.MakeUpper();
if (name.IsEmpty())
return E_INVALIDARG;
const PROPVARIANT &prop = values[i];
if (name[0] == 'X')
{
UInt32 level = 9;
RINOK(ParsePropValue(name.Mid(1), prop, level));
_level = level;
continue;
}
if (name[0] == 'D')
{
UInt32 dicSize = kDicSizeX5;
RINOK(ParsePropDictionaryValue(name.Mid(1), prop, dicSize));
_dicSize = dicSize;
continue;
}
if (name.Left(4) == L"PASS")
{
UInt32 num = kNumPassesX9;
RINOK(ParsePropValue(name.Mid(4), prop, num));
_numPasses = num;
continue;
}
if (name.Left(2) == L"MT")
{
#ifdef COMPRESS_MT
RINOK(ParseMtProp(name.Mid(2), prop, numProcessors, _numThreads));
#endif
continue;
}
return E_INVALIDARG;
}
return S_OK;
}
}}
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