bool C7ZipArchiveItemImpl::GetBoolProperty(lib7zip::PropertyIndexEnum propertyIndex,
bool & val) const
{
int p7zip_index = 0;
switch(propertyIndex) {
case lib7zip::kpidSolid: //(Solid)
p7zip_index = kpidSolid;
break;
case lib7zip::kpidEncrypted: //(Encrypted)
p7zip_index = kpidEncrypted;
break;
case lib7zip::kpidIsDir: //(IsDir)
return IsArchiveItemFolder(m_pInArchive, m_nIndex, val) == S_OK;
default:
return false;
}
NWindows::NCOM::CPropVariant prop;
if (m_pInArchive->GetProperty(m_nIndex, p7zip_index, &prop) == 0 &&
prop.vt == VT_BOOL) {
val = prop.bVal;
return true;
}
return false;
}
bool C7ZipArchiveItemImpl::GetFileTimeProperty(lib7zip::PropertyIndexEnum propertyIndex,
unsigned __int64 & val) const
{
int p7zip_index = 0;
switch(propertyIndex) {
case lib7zip::kpidCTime: //(Created)
p7zip_index = kpidCTime;
break;
case lib7zip::kpidATime: //(Accessed)
p7zip_index = kpidATime;
break;
case lib7zip::kpidMTime: //(Modified)
p7zip_index = kpidMTime;
break;
default:
return false;
}
NWindows::NCOM::CPropVariant prop;
if (m_pInArchive->GetProperty(m_nIndex, p7zip_index, &prop) != 0)
return false;
if (prop.vt == VT_FILETIME) {
unsigned __int64 tmp_val = 0;
memmove(&tmp_val, &prop.filetime, sizeof(unsigned __int64));
val = tmp_val;
return true;
}
return false;
}
bool C7ZipArchiveItemImpl::IsEncrypted() const
{
// Check if encrypted (password protected)
NWindows::NCOM::CPropVariant prop;
bool isEncrypted = false;
if (m_pInArchive->GetProperty(m_nIndex, kpidEncrypted, &prop) == 0 && prop.vt == VT_BOOL)
isEncrypted = prop.bVal;
return isEncrypted;
}
wstring C7ZipArchiveItemImpl::GetFullPath() const
{
// Get Name
NWindows::NCOM::CPropVariant prop;
wstring fullPath = kEmptyFileAlias;
if (!m_pInArchive->GetProperty(m_nIndex, kpidPath, &prop)) {
if (prop.vt == VT_BSTR)
fullPath = prop.bstrVal;
}
return fullPath;
}
UInt64 C7ZipArchiveItemImpl::GetSize() const
{
// Get uncompressed size
NWindows::NCOM::CPropVariant prop;
if (m_pInArchive->GetProperty(m_nIndex, kpidSize, &prop) != 0)
return 0;
UInt64 size = 0;
if (prop.vt == VT_UI8 || prop.vt == VT_UI4)
size = ConvertPropVariantToUInt64(prop);
return size;
}
bool C7ZipArchiveItemImpl::GetUInt64Property(lib7zip::PropertyIndexEnum propertyIndex,
unsigned __int64 & val) const
{
int p7zip_index = 0;
switch(propertyIndex) {
case lib7zip::kpidSize:
p7zip_index = kpidSize;
break;
case lib7zip::kpidPackSize: //(Packed Size)
p7zip_index = kpidPackSize;
break;
case lib7zip::kpidAttrib: //(Attributes)
p7zip_index = kpidAttrib;
break;
case lib7zip::kpidPhySize: //(Physical Size)
p7zip_index = kpidPhySize;
break;
case lib7zip::kpidHeadersSize: //(Headers Size)
p7zip_index = kpidHeadersSize;
break;
case lib7zip::kpidChecksum: //(Checksum)
p7zip_index = kpidChecksum;
break;
case lib7zip::kpidTotalSize: //(Total Size)
p7zip_index = kpidTotalSize;
break;
case lib7zip::kpidFreeSpace: //(Free Space)
p7zip_index = kpidFreeSpace;
break;
case lib7zip::kpidClusterSize: //(Cluster Size)
p7zip_index = kpidClusterSize;
break;
default:
return false;
}
NWindows::NCOM::CPropVariant prop;
if (m_pInArchive->GetProperty(m_nIndex, p7zip_index, &prop) != 0)
return false;
if (prop.vt == VT_UI8 || prop.vt == VT_UI4) {
val = ConvertPropVariantToUInt64(prop);
return true;
}
return false;
}
void BitMemExtractor::extract( const vector< byte_t >& in_buffer, vector< byte_t >& out_buffer,
unsigned int index ) const {
CMyComPtr< IInArchive > inArchive = openArchive( mLibrary, mFormat, in_buffer, *this );
NCOM::CPropVariant prop;
inArchive->GetProperty( index, kpidSize, &prop );
MemExtractCallback* extractCallbackSpec = new MemExtractCallback( *this, inArchive, out_buffer );
const UInt32 indices[] = { index };
CMyComPtr< IArchiveExtractCallback > extractCallback( extractCallbackSpec );
if ( inArchive->Extract( indices, 1, false, extractCallback ) != S_OK ) {
throw BitException( extractCallbackSpec->getErrorMessage() );
}
}
bool C7ZipArchiveItemImpl::GetStringProperty(lib7zip::PropertyIndexEnum propertyIndex,
wstring & val) const
{
int p7zip_index = 0;
switch(propertyIndex) {
case lib7zip::kpidComment: //(Comment)
p7zip_index = kpidComment;
break;
case lib7zip::kpidCharacts: //(Characteristics)
p7zip_index = kpidCharacts;
break;
case lib7zip::kpidCreatorApp: //(Creator Application)
p7zip_index = kpidCreatorApp;
break;
case lib7zip::kpidVolumeName: //(Label)
p7zip_index = kpidVolumeName;
break;
case lib7zip::kpidPath: //(FullPath)
p7zip_index = kpidPath;
break;
case lib7zip::kpidUser: //(User)
p7zip_index = kpidUser;
break;
case lib7zip::kpidGroup: //(Group)
p7zip_index = kpidGroup;
break;
default:
return false;
}
NWindows::NCOM::CPropVariant prop;
if (!m_pInArchive->GetProperty(m_nIndex, p7zip_index, &prop) &&
prop.vt == VT_BSTR) {
val = prop.bstrVal;
return true;
}
return false;
}
void CHandler::ParseName(Byte replaceByte, IArchiveOpenCallback *callback)
{
if (!callback)
return;
CMyComPtr<IArchiveOpenVolumeCallback> volumeCallback;
callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&volumeCallback);
if (!volumeCallback)
return;
NWindows::NCOM::CPropVariant prop;
if (volumeCallback->GetProperty(kpidName, &prop) != S_OK || prop.vt != VT_BSTR)
return;
UString s = prop.bstrVal;
if (s.IsEmpty() ||
s.Back() != L'_')
return;
s.DeleteBack();
_name = s;
if (replaceByte == 0)
{
if (s.Len() < 3 || s[s.Len() - 3] != '.')
return;
for (unsigned i = 0; i < ARRAY_SIZE(g_Exts); i++)
{
const char *ext = g_Exts[i];
if (s[s.Len() - 2] == (Byte)ext[0] &&
s[s.Len() - 1] == (Byte)ext[1])
{
replaceByte = ext[2];
break;
}
}
}
if (replaceByte >= 0x20 && replaceByte < 0x80)
_name += (wchar_t)replaceByte;
}
HRESULT CHandler::Open2(IInStream *stream, IArchiveOpenCallback *callback)
{
Close();
if (!callback)
return S_FALSE;
CMyComPtr<IArchiveOpenVolumeCallback> volumeCallback;
callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&volumeCallback);
if (!volumeCallback)
return S_FALSE;
UString name;
{
NCOM::CPropVariant prop;
RINOK(volumeCallback->GetProperty(kpidName, &prop));
if (prop.vt != VT_BSTR)
return S_FALSE;
name = prop.bstrVal;
}
int dotPos = name.ReverseFind_Dot();
const UString prefix = name.Left(dotPos + 1);
const UString ext = name.Ptr(dotPos + 1);
UString ext2 = ext;
ext2.MakeLower_Ascii();
CSeqName seqName;
unsigned numLetters = 2;
bool splitStyle = false;
if (ext2.Len() >= 2 && StringsAreEqual_Ascii(ext2.RightPtr(2), "aa"))
{
splitStyle = true;
while (numLetters < ext2.Len())
{
if (ext2[ext2.Len() - numLetters - 1] != 'a')
break;
numLetters++;
}
}
else if (ext.Len() >= 2 && StringsAreEqual_Ascii(ext2.RightPtr(2), "01"))
{
while (numLetters < ext2.Len())
{
if (ext2[ext2.Len() - numLetters - 1] != '0')
break;
numLetters++;
}
if (numLetters != ext.Len())
return S_FALSE;
}
else
return S_FALSE;
seqName._unchangedPart = prefix + ext.Left(ext2.Len() - numLetters);
seqName._changedPart = ext.RightPtr(numLetters);
seqName._splitStyle = splitStyle;
if (prefix.Len() < 1)
_subName.SetFromAscii("file");
else
_subName.SetFrom(prefix, prefix.Len() - 1);
UInt64 size;
{
NCOM::CPropVariant prop;
RINOK(volumeCallback->GetProperty(kpidSize, &prop));
if (prop.vt != VT_UI8)
return E_INVALIDARG;
size = prop.uhVal.QuadPart;
}
_totalSize += size;
_sizes.Add(size);
_streams.Add(stream);
{
UInt64 numFiles = _streams.Size();
RINOK(callback->SetCompleted(&numFiles, NULL));
}
for (;;)
{
UString fullName;
if (!seqName.GetNextName(fullName))
break;
CMyComPtr<IInStream> nextStream;
HRESULT result = volumeCallback->GetStream(fullName, &nextStream);
if (result == S_FALSE)
break;
if (result != S_OK)
return result;
if (!stream)
break;
{
NCOM::CPropVariant prop;
RINOK(volumeCallback->GetProperty(kpidSize, &prop));
if (prop.vt != VT_UI8)
return E_INVALIDARG;
size = prop.uhVal.QuadPart;
}
_totalSize += size;
_sizes.Add(size);
_streams.Add(nextStream);
{
UInt64 numFiles = _streams.Size();
RINOK(callback->SetCompleted(&numFiles, NULL));
}
}
if (_streams.Size() == 1)
{
if (splitStyle)
return S_FALSE;
}
return S_OK;
}
STDMETHODIMP CHandler::Open(IInStream *stream,
const UInt64 *maxCheckStartPosition,
IArchiveOpenCallback *openArchiveCallback)
{
COM_TRY_BEGIN
Close();
try
{
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
CMyComPtr<ICryptoGetTextPassword> getTextPassword;
CMyComPtr<IArchiveOpenCallback> openArchiveCallbackWrap = openArchiveCallback;
CVolumeName seqName;
if (openArchiveCallback != NULL)
{
openArchiveCallbackWrap.QueryInterface(IID_IArchiveOpenVolumeCallback, &openVolumeCallback);
RINOK(openArchiveCallback->SetTotal(NULL, NULL));
UInt64 numFiles = _items.Size();
RINOK(openArchiveCallback->SetCompleted(&numFiles, NULL));
openArchiveCallbackWrap.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
}
for (;;)
{
CMyComPtr<IInStream> inStream;
if (!_archives.IsEmpty())
{
if (!openVolumeCallback)
break;
if(_archives.Size() == 1)
{
if (!_archiveInfo.IsVolume())
break;
UString baseName;
{
NCOM::CPropVariant prop;
RINOK(openVolumeCallback->GetProperty(kpidName, &prop));
if (prop.vt != VT_BSTR)
break;
baseName = prop.bstrVal;
}
seqName.InitName(baseName, _archiveInfo.HaveNewVolumeName());
}
UString fullName = seqName.GetNextName();
HRESULT result = openVolumeCallback->GetStream(fullName, &inStream);
if (result == S_FALSE)
break;
if (result != S_OK)
return result;
if (!stream)
break;
}
else
inStream = stream;
NArchive::NRar::CInArchive archive;
if(!archive.Open(inStream, maxCheckStartPosition))
return S_FALSE;
if (_archives.IsEmpty())
archive.GetArchiveInfo(_archiveInfo);
CItemEx item;
for (;;)
{
HRESULT result = archive.GetNextItem(item, getTextPassword);
if (result == S_FALSE)
break;
RINOK(result);
if (item.IgnoreItem())
continue;
bool needAdd = true;
if (item.IsSplitBefore())
{
if (!_refItems.IsEmpty())
{
CRefItem &refItem = _refItems.Back();
refItem.NumItems++;
needAdd = false;
}
}
if (needAdd)
{
CRefItem refItem;
refItem.ItemIndex = _items.Size();
refItem.NumItems = 1;
refItem.VolumeIndex = _archives.Size();
_refItems.Add(refItem);
}
_items.Add(item);
if (openArchiveCallback != NULL)
{
UInt64 numFiles = _items.Size();
RINOK(openArchiveCallback->SetCompleted(&numFiles, NULL));
}
}
_archives.Add(archive);
}
}
catch(...)
{
return S_FALSE;
}
return S_OK;
COM_TRY_END
}
HRESULT CHandler::Open2(IInStream *stream,
const UInt64 *maxCheckStartPosition,
IArchiveOpenCallback *openArchiveCallback)
{
{
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
CMyComPtr<ICryptoGetTextPassword> getTextPassword;
CMyComPtr<IArchiveOpenCallback> openArchiveCallbackWrap = openArchiveCallback;
CVolumeName seqName;
UInt64 totalBytes = 0;
UInt64 curBytes = 0;
if (openArchiveCallback != NULL)
{
openArchiveCallbackWrap.QueryInterface(IID_IArchiveOpenVolumeCallback, &openVolumeCallback);
openArchiveCallbackWrap.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
}
for (;;)
{
CMyComPtr<IInStream> inStream;
if (!_archives.IsEmpty())
{
if (!openVolumeCallback)
break;
if (_archives.Size() == 1)
{
if (!_archiveInfo.IsVolume())
break;
UString baseName;
{
NCOM::CPropVariant prop;
RINOK(openVolumeCallback->GetProperty(kpidName, &prop));
if (prop.vt != VT_BSTR)
break;
baseName = prop.bstrVal;
}
seqName.InitName(baseName, _archiveInfo.HaveNewVolumeName());
}
UString fullName = seqName.GetNextName();
HRESULT result = openVolumeCallback->GetStream(fullName, &inStream);
if (result == S_FALSE)
break;
if (result != S_OK)
return result;
if (!stream)
break;
}
else
inStream = stream;
UInt64 endPos = 0;
if (openArchiveCallback != NULL)
{
RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
totalBytes += endPos;
RINOK(openArchiveCallback->SetTotal(NULL, &totalBytes));
}
NArchive::NRar::CInArchive archive;
RINOK(archive.Open(inStream, maxCheckStartPosition));
if (_archives.IsEmpty())
archive.GetArchiveInfo(_archiveInfo);
CItemEx item;
for (;;)
{
bool decryptionError;
HRESULT result = archive.GetNextItem(item, getTextPassword, decryptionError);
if (result == S_FALSE)
{
if (decryptionError && _items.IsEmpty())
return S_FALSE;
break;
}
RINOK(result);
if (item.IgnoreItem())
continue;
bool needAdd = true;
if (item.IsSplitBefore())
{
if (!_refItems.IsEmpty())
{
CRefItem &refItem = _refItems.Back();
refItem.NumItems++;
needAdd = false;
}
}
if (needAdd)
{
CRefItem refItem;
refItem.ItemIndex = _items.Size();
refItem.NumItems = 1;
refItem.VolumeIndex = _archives.Size();
_refItems.Add(refItem);
}
_items.Add(item);
if (openArchiveCallback != NULL && _items.Size() % 100 == 0)
{
UInt64 numFiles = _items.Size();
UInt64 numBytes = curBytes + item.Position;
RINOK(openArchiveCallback->SetCompleted(&numFiles, &numBytes));
}
}
curBytes += endPos;
_archives.Add(archive);
}
}
return S_OK;
}
HRESULT CHandler::Open2(IInStream *stream, IArchiveOpenCallback *callback)
{
UInt64 endPos = 0;
{
RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
}
_phySizeDefined = true;
bool utf8_OK = true;
if (!_forceCodePage)
{
if (!utf8_OK)
_curCodePage = k_DefaultCodePage;
}
for (;;)
{
CItemEx item;
bool filled;
RINOK(ReadItem2(stream, filled, item));
if (!filled)
break;
_isArc = true;
_items.Add(item);
if (!_forceCodePage)
{
if (utf8_OK) utf8_OK = CheckUTF8(item.Name, item.NameCouldBeReduced);
if (utf8_OK) utf8_OK = CheckUTF8(item.LinkName, item.LinkNameCouldBeReduced);
if (utf8_OK) utf8_OK = CheckUTF8(item.User);
if (utf8_OK) utf8_OK = CheckUTF8(item.Group);
}
RINOK(stream->Seek(item.GetPackSizeAligned(), STREAM_SEEK_CUR, &_phySize));
if (_phySize > endPos)
{
_error = k_ErrorType_UnexpectedEnd;
break;
}
/*
if (_phySize == endPos)
{
_errorMessage = "There are no trailing zero-filled records";
break;
}
*/
if (callback)
{
if (_items.Size() == 1)
{
RINOK(callback->SetTotal(NULL, &endPos));
}
if ((_items.Size() & 0x3FF) == 0)
{
UInt64 numFiles = _items.Size();
RINOK(callback->SetCompleted(&numFiles, &_phySize));
}
}
}
if (!_forceCodePage)
{
if (!utf8_OK)
_curCodePage = k_DefaultCodePage;
}
_openCodePage = _curCodePage;
if (_items.Size() == 0)
{
if (_error != k_ErrorType_OK)
{
_isArc = false;
return S_FALSE;
}
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
if (!callback)
return S_FALSE;
callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
if (!openVolumeCallback)
return S_FALSE;
NCOM::CPropVariant prop;
if (openVolumeCallback->GetProperty(kpidName, &prop) != S_OK)
return S_FALSE;
if (prop.vt != VT_BSTR)
return S_FALSE;
unsigned len = MyStringLen(prop.bstrVal);
if (len < 4 || MyStringCompareNoCase(prop.bstrVal + len - 4, L".tar") != 0)
return S_FALSE;
}
_isArc = true;
return S_OK;
}
HRESULT CHandler::Open2(IInStream *stream, IArchiveOpenCallback *callback)
{
UInt64 endPos = 0;
{
RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
}
_phySizeDefined = true;
for (;;)
{
CItemEx item;
bool filled;
RINOK(ReadItem2(stream, filled, item));
if (!filled)
break;
_items.Add(item);
RINOK(stream->Seek(item.GetPackSizeAligned(), STREAM_SEEK_CUR, &_phySize));
if (_phySize > endPos)
{
_errorMessage = kUnexpectedEnd;
break;
}
/*
if (_phySize == endPos)
{
_errorMessage = "There are no trailing zero-filled records";
break;
}
*/
if (callback != NULL)
{
if (_items.Size() == 1)
{
RINOK(callback->SetTotal(NULL, &endPos));
}
if (_items.Size() % 100 == 0)
{
UInt64 numFiles = _items.Size();
RINOK(callback->SetCompleted(&numFiles, &_phySize));
}
}
}
if (_items.Size() == 0)
{
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
if (!callback)
return S_FALSE;
callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
if (!openVolumeCallback)
return S_FALSE;
NCOM::CPropVariant prop;
if (openVolumeCallback->GetProperty(kpidName, &prop) != S_OK)
return S_FALSE;
if (prop.vt != VT_BSTR)
return S_FALSE;
UString baseName = prop.bstrVal;
baseName = baseName.Right(4);
if (baseName.CompareNoCase(L".tar") != 0)
return S_FALSE;
}
return S_OK;
}
STDMETHODIMP CHandler::Open(IInStream *inStream, const UInt64 *, IArchiveOpenCallback *callback)
{
COM_TRY_BEGIN
Close();
{
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
CVolumeName seqName;
if (callback)
callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
UInt32 numVolumes = 1;
for (UInt32 i = 1; i <= numVolumes; i++)
{
CMyComPtr<IInStream> curStream;
if (i == 1)
curStream = inStream;
else
{
UString fullName = seqName.GetNextName(i);
HRESULT result = openVolumeCallback->GetStream(fullName, &curStream);
if (result == S_FALSE)
continue;
if (result != S_OK)
return result;
if (!curStream)
break;
}
CHeader header;
HRESULT res = NWim::ReadHeader(curStream, header, _phySize);
if (res != S_OK)
{
if (i != 1 && res == S_FALSE)
continue;
return res;
}
_isArc = true;
_bootIndex = header.BootIndex;
_version = header.Version;
_isOldVersion = header.IsOldVersion();
if (_firstVolumeIndex >= 0)
if (!header.AreFromOnArchive(_volumes[_firstVolumeIndex].Header))
break;
if (_volumes.Size() > header.PartNumber && _volumes[header.PartNumber].Stream)
break;
CWimXml xml;
xml.VolIndex = header.PartNumber;
res = _db.OpenXml(curStream, header, xml.Data);
if (res == S_OK)
{
if (!xml.Parse())
_xmlError = true;
UInt64 totalFiles = xml.GetTotalFilesAndDirs() + xml.Images.Size();
totalFiles += 16 + xml.Images.Size() * 4; // we reserve some additional items
if (totalFiles >= ((UInt32)1 << 30))
totalFiles = 0;
res = _db.Open(curStream, header, (unsigned)totalFiles, callback);
}
if (res != S_OK)
{
if (i != 1 && res == S_FALSE)
continue;
return res;
}
while (_volumes.Size() <= header.PartNumber)
_volumes.AddNew();
CVolume &volume = _volumes[header.PartNumber];
volume.Header = header;
volume.Stream = curStream;
_firstVolumeIndex = header.PartNumber;
if (_xmls.IsEmpty() || xml.Data != _xmls[0].Data)
{
wchar_t sz[16];
ConvertUInt32ToString(xml.VolIndex, sz);
xml.FileName = L'[';
xml.FileName += sz;
xml.FileName += L"].xml";
_xmls.Add(xml);
}
if (i == 1)
{
if (header.PartNumber != 1)
break;
if (!openVolumeCallback)
break;
numVolumes = header.NumParts;
{
NCOM::CPropVariant prop;
RINOK(openVolumeCallback->GetProperty(kpidName, &prop));
if (prop.vt != VT_BSTR)
break;
seqName.InitName(prop.bstrVal);
}
}
}
RINOK(_db.FillAndCheck());
int defaultImageIndex = (int)_defaultImageNumber - 1;
bool showImageNumber = (_db.Images.Size() != 1 && defaultImageIndex < 0);
if (!showImageNumber && _set_use_ShowImageNumber)
showImageNumber = _set_showImageNumber;
if (!showImageNumber && _keepMode_ShowImageNumber)
showImageNumber = true;
_showImageNumber = showImageNumber;
RINOK(_db.GenerateSortedItems(defaultImageIndex, showImageNumber));
RINOK(_db.ExtractReparseStreams(_volumes, callback));
/*
wchar_t sz[16];
ConvertUInt32ToString(_db.DataStreams.Size(), sz);
_nameLenForStreams = MyStringLen(sz);
*/
_xmlInComments = !_showImageNumber;
_numXmlItems = (_xmlInComments ? 0 : _xmls.Size());
_numIgnoreItems = _db.ThereAreDeletedStreams ? 1 : 0;
}
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::Open(IInStream *inStream,
const UInt64 * /* maxCheckStartPosition */,
IArchiveOpenCallback *openArchiveCallback)
{
COM_TRY_BEGIN
Close();
try
{
CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
CVolumeName seqName;
if (openArchiveCallback != NULL)
openArchiveCallback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
UInt32 numVolumes = 1;
int firstVolumeIndex = -1;
for (UInt32 i = 1; i <= numVolumes; i++)
{
CMyComPtr<IInStream> curStream;
if (i != 1)
{
UString fullName = seqName.GetNextName(i);
HRESULT result = openVolumeCallback->GetStream(fullName, &curStream);
if (result == S_FALSE)
continue;
if (result != S_OK)
return result;
if (!curStream)
break;
}
else
curStream = inStream;
CHeader header;
HRESULT res = NWim::ReadHeader(curStream, header);
if (res != S_OK)
{
if (i == 1)
return res;
if (res == S_FALSE)
continue;
return res;
}
if (firstVolumeIndex >= 0)
if (!header.AreFromOnArchive(m_Volumes[firstVolumeIndex].Header))
break;
if (m_Volumes.Size() > header.PartNumber && m_Volumes[header.PartNumber].Stream)
break;
CXml xml;
xml.VolIndex = header.PartNumber;
res = OpenArchive(curStream, header, xml.Data, m_Database);
if (res != S_OK)
{
if (i == 1)
return res;
if (res == S_FALSE)
continue;
return res;
}
while (m_Volumes.Size() <= header.PartNumber)
m_Volumes.Add(CVolume());
CVolume &volume = m_Volumes[header.PartNumber];
volume.Header = header;
volume.Stream = curStream;
firstVolumeIndex = header.PartNumber;
bool needAddXml = true;
if (m_Xmls.Size() != 0)
if (xml.Data == m_Xmls[0].Data)
needAddXml = false;
if (needAddXml)
{
xml.Parse();
m_Xmls.Add(xml);
}
if (i == 1)
{
if (header.PartNumber != 1)
break;
if (!openVolumeCallback)
break;
numVolumes = header.NumParts;
{
NCOM::CPropVariant prop;
RINOK(openVolumeCallback->GetProperty(kpidName, &prop));
if (prop.vt != VT_BSTR)
break;
seqName.InitName(prop.bstrVal);
}
}
}
RINOK(SortDatabase(m_Database));
wchar_t sz[32];
ConvertUInt64ToString(m_Database.Streams.Size(), sz);
m_NameLenForStreams = MyStringLen(sz);
}
catch(...)
{
return S_FALSE;
}
return S_OK;
COM_TRY_END
}