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// Archive/GZip/OutHandler.cpp
#include "StdAfx.h"
#include "GZipHandler.h"
#include "GZipUpdate.h"
#include "Common/StringConvert.h"
#include "Common/StringToInt.h"
#include "Windows/Time.h"
#include "Windows/FileFind.h"
#include "Windows/PropVariant.h"
#include "../../Compress/Copy/CopyCoder.h"
using namespace NWindows;
using namespace NTime;
namespace NArchive {
namespace NGZip {
STDMETHODIMP CHandler::GetFileTimeType(UInt32 *timeType)
{
*timeType = NFileTimeType::kUnix;
return S_OK;
}
static HRESULT CopyStreams(ISequentialInStream *inStream,
ISequentialOutStream *outStream, IArchiveUpdateCallback *updateCallback)
{
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;
UInt64 size;
Int32 newData;
Int32 newProperties;
UInt32 indexInArchive;
UInt32 itemIndex = 0;
if (!updateCallback)
return E_FAIL;
RINOK(updateCallback->GetUpdateItemInfo(0,
&newData, &newProperties, &indexInArchive));
CItem newItem = m_Item;
newItem.ExtraFlags = 0;
newItem.Flags = 0;
if (IntToBool(newProperties))
{
UInt32 attributes;
FILETIME utcTime;
UString name;
bool isDirectory;
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(itemIndex, kpidAttributes, &propVariant));
if (propVariant.vt == VT_EMPTY)
attributes = 0;
else if (propVariant.vt != VT_UI4)
return E_INVALIDARG;
else
attributes = propVariant.ulVal;
}
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(itemIndex, kpidLastWriteTime, &propVariant));
if (propVariant.vt != VT_FILETIME)
return E_INVALIDARG;
utcTime = propVariant.filetime;
}
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(itemIndex, kpidPath, &propVariant));
if (propVariant.vt == VT_EMPTY)
name.Empty();
else if (propVariant.vt != VT_BSTR)
return E_INVALIDARG;
else
name = propVariant.bstrVal;
}
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(itemIndex, kpidIsFolder, &propVariant));
if (propVariant.vt == VT_EMPTY)
isDirectory = false;
else if (propVariant.vt != VT_BOOL)
return E_INVALIDARG;
else
isDirectory = (propVariant.boolVal != VARIANT_FALSE);
}
if (isDirectory || NFile::NFind::NAttributes::IsDirectory(attributes))
return E_INVALIDARG;
if(!FileTimeToUnixTime(utcTime, newItem.Time))
return E_INVALIDARG;
newItem.Name = UnicodeStringToMultiByte(name, CP_ACP);
int dirDelimiterPos = newItem.Name.ReverseFind('\\');
if (dirDelimiterPos >= 0)
newItem.Name = newItem.Name.Mid(dirDelimiterPos + 1);
newItem.SetNameIsPresentFlag(!newItem.Name.IsEmpty());
}
if (IntToBool(newData))
{
{
NCOM::CPropVariant propVariant;
RINOK(updateCallback->GetProperty(itemIndex, kpidSize, &propVariant));
if (propVariant.vt != VT_UI8)
return E_INVALIDARG;
size = propVariant.uhVal.QuadPart;
}
newItem.UnPackSize32 = (UInt32)size;
return UpdateArchive(m_Stream, size, outStream, newItem,
m_Method, itemIndex, updateCallback);
}
if (indexInArchive != 0)
return E_INVALIDARG;
if (IntToBool(newProperties))
{
COutArchive outArchive;
outArchive.Create(outStream);
outArchive.WriteHeader(newItem);
RINOK(m_Stream->Seek(m_StreamStartPosition + m_DataOffset, STREAM_SEEK_SET, NULL));
}
else
{
RINOK(m_Stream->Seek(m_StreamStartPosition, STREAM_SEEK_SET, NULL));
}
return CopyStreams(m_Stream, outStream, updateCallback);
}
static const UInt32 kMatchFastLenNormal = 32;
static const UInt32 kMatchFastLenMX = 64;
static const UInt32 kNumPassesNormal = 1;
static const UInt32 kNumPassesMX = 3;
STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties)
{
InitMethodProperties();
for (int i = 0; i < numProperties; i++)
{
UString name = UString(names[i]);
name.MakeUpper();
const PROPVARIANT &value = values[i];
if (name[0] == 'X')
{
name.Delete(0);
UInt32 level = 9;
if (value.vt == VT_UI4)
{
if (!name.IsEmpty())
return E_INVALIDARG;
level = value.ulVal;
}
else if (value.vt == VT_EMPTY)
{
if(!name.IsEmpty())
{
const wchar_t *start = name;
const wchar_t *end;
UInt64 v = ConvertStringToUInt64(start, &end);
if (end - start != name.Length())
return E_INVALIDARG;
level = (UInt32)v;
}
}
else
return E_INVALIDARG;
if (level < 7)
{
InitMethodProperties();
}
else
{
m_Method.NumPasses = kNumPassesMX;
m_Method.NumFastBytes = kMatchFastLenMX;
}
continue;
}
else if (name == L"PASS")
{
if (value.vt != VT_UI4)
return E_INVALIDARG;
m_Method.NumPasses = value.ulVal;
if (m_Method.NumPasses < 1 || m_Method.NumPasses > 4)
return E_INVALIDARG;
}
else if (name == L"FB")
{
if (value.vt != VT_UI4)
return E_INVALIDARG;
m_Method.NumFastBytes = value.ulVal;
if (m_Method.NumFastBytes < 3 || m_Method.NumFastBytes > 255)
return E_INVALIDARG;
}
else
return E_INVALIDARG;
}
return S_OK;
}
}}
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