HRESULT CHandler::SetMainMethod(
CCompressionMethodMode &methodMode
#ifndef _7ZIP_ST
, UInt32 numThreads
#endif
)
{
methodMode.Bonds = _bonds;
CObjectVector<COneMethodInfo> methods = _methods;
{
FOR_VECTOR (i, methods)
{
AString &methodName = methods[i].MethodName;
if (methodName.IsEmpty())
methodName = kDefaultMethodName;
}
if (methods.IsEmpty())
{
COneMethodInfo &m = methods.AddNew();
m.MethodName = (GetLevel() == 0 ? k_Copy_Name : kDefaultMethodName);
methodMode.DefaultMethod_was_Inserted = true;
}
}
HRESULT CDirEnumerator::GetNextFile(NFind::CFileInfo &fileInfo, bool &filled, FString &resPath)
{
filled = false;
for (;;)
{
if (Enumerators.IsEmpty())
{
if (Index >= FileNames.Size())
return S_OK;
const FString &path = FileNames[Index];
int pos = path.ReverseFind(FCHAR_PATH_SEPARATOR);
resPath.Empty();
if (pos >= 0)
resPath = path.Left(pos + 1);
#ifdef _WIN32
// it's for "c:" paths/
if (BasePrefix.IsEmpty() && path.Length() == 2 && path[1] == ':')
{
fileInfo.Name = path;
fileInfo.Attrib = FILE_ATTRIBUTE_DIRECTORY;
fileInfo.Size = 0;
}
else
#endif
if (!fileInfo.Find(BasePrefix + path))
{
WRes errorCode = GetNormalizedError();
resPath = path;
return errorCode;
}
Index++;
break;
}
bool found;
if (!Enumerators.Back().Next(fileInfo, found))
{
HRESULT errorCode = GetNormalizedError();
resPath = Prefixes.Back();
return errorCode;
}
if (found)
{
resPath = Prefixes.Back();
break;
}
Enumerators.DeleteBack();
Prefixes.DeleteBack();
}
resPath += fileInfo.Name;
if (!FlatMode && fileInfo.IsDir())
{
FString prefix = resPath + FCHAR_PATH_SEPARATOR;
Enumerators.Add(NFind::CEnumerator(BasePrefix + prefix + FCHAR_ANY_MASK));
Prefixes.Add(prefix);
}
filled = true;
return S_OK;
}
HRESULT SetProperties(IUnknown *unknown, const CObjectVector<CProperty> &properties)
{
if (properties.IsEmpty())
return S_OK;
CMyComPtr<ISetProperties> setProperties;
unknown->QueryInterface(IID_ISetProperties, (void **)&setProperties);
if (!setProperties)
return S_OK;
UStringVector realNames;
CPropVariant *values = new CPropVariant[properties.Size()];
try
{
int i;
for(i = 0; i < properties.Size(); i++)
{
const CProperty &property = properties[i];
NCOM::CPropVariant propVariant;
UString name = property.Name;
if (property.Value.IsEmpty())
{
if (!name.IsEmpty())
{
wchar_t c = name.Back();
if (c == L'-')
propVariant = false;
else if (c == L'+')
propVariant = true;
if (propVariant.vt != VT_EMPTY)
name.DeleteBack();
}
}
else
ParseNumberString(property.Value, propVariant);
realNames.Add(name);
values[i] = propVariant;
}
CRecordVector<const wchar_t *> names;
for(i = 0; i < realNames.Size(); i++)
names.Add((const wchar_t *)realNames[i]);
RINOK(setProperties->SetProperties(&names.Front(), values, names.Size()));
}
catch(...)
{
delete []values;
throw;
}
delete []values;
return S_OK;
}
bool CDirEnumerator::GetNextFile(NFind::CFileInfoW &fileInfo, bool &filled, UString &resPath, DWORD &errorCode)
{
filled = false;
for (;;)
{
if (Enumerators.IsEmpty())
{
if (Index >= FileNames.Size())
return true;
const UString &path = FileNames[Index];
int pos = path.ReverseFind(WCHAR_PATH_SEPARATOR);
resPath.Empty();
if (pos >= 0)
resPath = path.Left(pos + 1);
if (!NFind::FindFile(BasePrefix + path, fileInfo))
{
errorCode = ::GetLastError();
resPath = path;
return false;
}
Index++;
break;
}
bool found;
if (!Enumerators.Back().Next(fileInfo, found))
{
errorCode = ::GetLastError();
resPath = Prefixes.Back();
return false;
}
if (found)
{
resPath = Prefixes.Back();
break;
}
Enumerators.DeleteBack();
Prefixes.DeleteBack();
}
resPath += fileInfo.Name;
if (!FlatMode && fileInfo.IsDir())
{
UString prefix = resPath + (UString)(wchar_t)kDirDelimiter;
Enumerators.Add(NFind::CEnumeratorW(BasePrefix + prefix + (UString)(wchar_t)kAnyStringWildcard));
Prefixes.Add(prefix);
}
filled = true;
return true;
}
HRESULT CInArchive::ReadLocals(
CObjectVector<CItemEx> &items, CProgressVirt *progress)
{
items.Clear();
while (m_Signature == NSignature::kLocalFileHeader)
{
CItemEx item;
item.LocalHeaderPos = m_Position - 4 - ArcInfo.MarkerPos;
// we write ralative LocalHeaderPos here. Later we can correct it to real Base.
try
{
ReadLocalItem(item);
item.FromLocal = true;
if (item.HasDescriptor())
ReadLocalItemDescriptor(item);
else
{
RINOK(IncreaseRealPosition(item.PackSize));
}
items.Add(item);
m_Signature = ReadUInt32();
}
catch (CUnexpectEnd &)
{
if (items.IsEmpty() || items.Size() == 1 && IsStrangeItem(items[0]))
return S_FALSE;
throw;
}
if (progress && items.Size() % 1 == 0)
RINOK(progress->SetCompletedLocal(items.Size(), item.LocalHeaderPos));
}
if (items.Size() == 1 && m_Signature != NSignature::kCentralFileHeader)
if (IsStrangeItem(items[0]))
return S_FALSE;
return S_OK;
}
HRESULT CInArchive::ReadHeaders(CObjectVector<CItemEx> &items, CProgressVirt *progress)
{
HRESULT res;
try
{
res = ReadHeaders2(items, progress);
}
catch (const CInBufferException &e) { res = e.ErrorCode; }
catch (const CUnexpectEnd &)
{
if (items.IsEmpty())
return S_FALSE;
UnexpectedEnd = true;
res = S_OK;
}
catch (...)
{
_inBufMode = false;
throw;
}
ArcInfo.FinishPos = m_Position;
_inBufMode = false;
return res;
}
HRESULT CHandler::SetCompressionMethod(
CCompressionMethodMode &methodMode,
CObjectVector<COneMethodInfo> &methodsInfo
#ifdef COMPRESS_MT
, UInt32 numThreads
#endif
)
{
UInt32 level = _level;
if (methodsInfo.IsEmpty())
{
COneMethodInfo oneMethodInfo;
oneMethodInfo.MethodName = ((level == 0) ? kCopyMethod : kDefaultMethodName);
methodsInfo.Add(oneMethodInfo);
}
bool needSolid = false;
for(int i = 0; i < methodsInfo.Size(); i++)
{
COneMethodInfo &oneMethodInfo = methodsInfo[i];
SetCompressionMethod2(oneMethodInfo
#ifdef COMPRESS_MT
, numThreads
#endif
);
if (!IsCopyMethod(oneMethodInfo.MethodName))
needSolid = true;
CMethodFull methodFull;
if (!FindMethod(
EXTERNAL_CODECS_VARS
oneMethodInfo.MethodName, methodFull.Id, methodFull.NumInStreams, methodFull.NumOutStreams))
return E_INVALIDARG;
methodFull.Props = oneMethodInfo.Props;
methodMode.Methods.Add(methodFull);
if (!_numSolidBytesDefined)
{
for (int j = 0; j < methodFull.Props.Size(); j++)
{
const CProp &prop = methodFull.Props[j];
if ((prop.Id == NCoderPropID::kDictionarySize ||
prop.Id == NCoderPropID::kUsedMemorySize) && prop.Value.vt == VT_UI4)
{
_numSolidBytes = ((UInt64)prop.Value.ulVal) << 7;
const UInt64 kMinSize = (1 << 24);
if (_numSolidBytes < kMinSize)
_numSolidBytes = kMinSize;
_numSolidBytesDefined = true;
break;
}
}
}
}
if (!needSolid && !_numSolidBytesDefined)
{
_numSolidBytesDefined = true;
_numSolidBytes = 0;
}
return S_OK;
}
HRESULT CInArchive::ReadHeaders2(CObjectVector<CItemEx> &items, CProgressVirt *progress)
{
items.Clear();
// m_Signature must be kLocalFileHeader or kEcd
// m_Position points to next byte after signature
RINOK(Stream->Seek(m_Position, STREAM_SEEK_SET, NULL));
if (!_inBuffer.Create(1 << 15))
return E_OUTOFMEMORY;
_inBuffer.SetStream(Stream);
bool needReadCd = true;
bool localsWereRead = false;
if (m_Signature == NSignature::kEcd)
{
// It must be empty archive or backware archive
// we don't support backware archive still
const unsigned kBufSize = kEcdSize - 4;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
CEcd ecd;
ecd.Parse(buf);
// if (ecd.cdSize != 0)
// Do we need also to support the case where empty zip archive with PK00 uses cdOffset = 4 ??
if (!ecd.IsEmptyArc())
return S_FALSE;
ArcInfo.Base = ArcInfo.MarkerPos;
needReadCd = false;
IsArc = true; // check it: we need more tests?
RINOK(Stream->Seek(ArcInfo.MarkerPos2 + 4, STREAM_SEEK_SET, &m_Position));
}
UInt64 cdSize = 0, cdRelatOffset = 0, cdAbsOffset = 0;
HRESULT res = S_OK;
if (needReadCd)
{
CItemEx firstItem;
// try
{
try
{
if (!ReadLocalItem(firstItem))
return S_FALSE;
}
catch(CUnexpectEnd &)
{
return S_FALSE;
}
IsArc = true;
res = ReadCd(items, cdRelatOffset, cdSize, progress);
if (res == S_OK)
m_Signature = ReadUInt32();
}
// catch() { res = S_FALSE; }
if (res != S_FALSE && res != S_OK)
return res;
if (res == S_OK && items.Size() == 0)
res = S_FALSE;
if (res == S_OK)
{
// we can't read local items here to keep _inBufMode state
firstItem.LocalHeaderPos = ArcInfo.MarkerPos2 - ArcInfo.Base;
int index = FindItem(items, firstItem.LocalHeaderPos);
if (index == -1)
res = S_FALSE;
else if (!AreItemsEqual(firstItem, items[index]))
res = S_FALSE;
ArcInfo.CdWasRead = true;
ArcInfo.FirstItemRelatOffset = items[0].LocalHeaderPos;
}
}
CObjectVector<CItemEx> cdItems;
bool needSetBase = false;
unsigned numCdItems = items.Size();
if (res == S_FALSE)
{
// CD doesn't match firstItem so we clear items and read Locals.
items.Clear();
localsWereRead = true;
_inBufMode = false;
ArcInfo.Base = ArcInfo.MarkerPos;
RINOK(Stream->Seek(ArcInfo.MarkerPos2, STREAM_SEEK_SET, &m_Position));
m_Signature = ReadUInt32();
RINOK(ReadLocals(items, progress));
if (m_Signature != NSignature::kCentralFileHeader)
{
m_Position -= 4;
NoCentralDir = true;
HeadersError = true;
return S_OK;
}
_inBufMode = true;
_inBuffer.Init();
cdAbsOffset = m_Position - 4;
for (;;)
{
CItemEx cdItem;
RINOK(ReadCdItem(cdItem));
cdItems.Add(cdItem);
if (progress && cdItems.Size() % 1 == 0)
RINOK(progress->SetCompletedCD(items.Size()));
m_Signature = ReadUInt32();
if (m_Signature != NSignature::kCentralFileHeader)
break;
}
cdSize = (m_Position - 4) - cdAbsOffset;
needSetBase = true;
numCdItems = cdItems.Size();
if (!cdItems.IsEmpty())
{
ArcInfo.CdWasRead = true;
ArcInfo.FirstItemRelatOffset = cdItems[0].LocalHeaderPos;
}
}
CEcd64 ecd64;
bool isZip64 = false;
UInt64 ecd64AbsOffset = m_Position - 4;
if (m_Signature == NSignature::kEcd64)
{
IsZip64 = isZip64 = true;
UInt64 recordSize = ReadUInt64();
const unsigned kBufSize = kEcd64_MainSize;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
ecd64.Parse(buf);
Skip64(recordSize - kEcd64_MainSize);
m_Signature = ReadUInt32();
if (ecd64.thisDiskNumber != 0 || ecd64.startCDDiskNumber != 0)
return E_NOTIMPL;
if (needSetBase)
{
ArcInfo.Base = cdAbsOffset - ecd64.cdStartOffset;
cdRelatOffset = ecd64.cdStartOffset;
needSetBase = false;
}
if (ecd64.numEntriesInCDOnThisDisk != numCdItems ||
ecd64.numEntriesInCD != numCdItems ||
ecd64.cdSize != cdSize ||
(ecd64.cdStartOffset != cdRelatOffset &&
(!items.IsEmpty())))
return S_FALSE;
}
if (m_Signature == NSignature::kEcd64Locator)
{
if (!isZip64)
return S_FALSE;
/* UInt32 startEndCDDiskNumber = */ ReadUInt32();
UInt64 ecd64RelatOffset = ReadUInt64();
/* UInt32 numberOfDisks = */ ReadUInt32();
if (ecd64AbsOffset != ArcInfo.Base + ecd64RelatOffset)
return S_FALSE;
m_Signature = ReadUInt32();
}
if (m_Signature != NSignature::kEcd)
return S_FALSE;
const unsigned kBufSize = kEcdSize - 4;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
CEcd ecd;
ecd.Parse(buf);
COPY_ECD_ITEM_16(thisDiskNumber);
COPY_ECD_ITEM_16(startCDDiskNumber);
COPY_ECD_ITEM_16(numEntriesInCDOnThisDisk);
COPY_ECD_ITEM_16(numEntriesInCD);
COPY_ECD_ITEM_32(cdSize);
COPY_ECD_ITEM_32(cdStartOffset);
if (needSetBase)
{
ArcInfo.Base = cdAbsOffset - ecd64.cdStartOffset;
cdRelatOffset = ecd64.cdStartOffset;
needSetBase = false;
}
if (localsWereRead && (UInt64)ArcInfo.Base != ArcInfo.MarkerPos)
{
UInt64 delta = ArcInfo.MarkerPos - ArcInfo.Base;
for (unsigned i = 0; i < items.Size(); i++)
items[i].LocalHeaderPos += delta;
}
// ---------- merge Central Directory Items ----------
if (!cdItems.IsEmpty())
{
for (unsigned i = 0; i < cdItems.Size(); i++)
{
const CItemEx &cdItem = cdItems[i];
int index = FindItem(items, cdItem.LocalHeaderPos);
if (index == -1)
{
items.Add(cdItem);
continue;
}
CItemEx &item = items[index];
if (item.Name != cdItem.Name
// || item.Name.Len() != cdItem.Name.Len()
|| item.PackSize != cdItem.PackSize
|| item.Size != cdItem.Size
// item.ExtractVersion != cdItem.ExtractVersion
|| !FlagsAreSame(item, cdItem)
|| item.Crc != cdItem.Crc)
continue;
// item.LocalHeaderPos = cdItem.LocalHeaderPos;
// item.Name = cdItem.Name;
item.MadeByVersion = cdItem.MadeByVersion;
item.CentralExtra = cdItem.CentralExtra;
item.InternalAttrib = cdItem.InternalAttrib;
item.ExternalAttrib = cdItem.ExternalAttrib;
item.Comment = cdItem.Comment;
item.FromCentral = cdItem.FromCentral;
}
}
if (ecd64.thisDiskNumber != 0 || ecd64.startCDDiskNumber != 0)
return E_NOTIMPL;
if (isZip64)
{
if (ecd64.numEntriesInCDOnThisDisk != items.Size())
HeadersError = true;
}
else
{
// old 7-zip could store 32-bit number of CD items to 16-bit field.
if ((UInt16)ecd64.numEntriesInCDOnThisDisk != (UInt16)numCdItems ||
(UInt16)ecd64.numEntriesInCDOnThisDisk != (UInt16)items.Size())
HeadersError = true;
}
ReadBuffer(ArcInfo.Comment, ecd.commentSize);
_inBufMode = false;
_inBuffer.Free();
if (
(UInt16)ecd64.numEntriesInCD != ((UInt16)numCdItems) ||
(UInt32)ecd64.cdSize != (UInt32)cdSize ||
((UInt32)(ecd64.cdStartOffset) != (UInt32)cdRelatOffset &&
(!items.IsEmpty())))
return S_FALSE;
// printf("\nOpen OK");
return S_OK;
}
DWORD CDirEnumerator::GetNextFile(NFind::CFileInfo &fi, bool &filled, FString &resPath)
{
filled = false;
resPath.Empty();
for (;;)
{
#if defined(_WIN32) && !defined(UNDER_CE)
bool isRootPrefix = (BasePrefix.IsEmpty() || (NName::IsSuperPath(BasePrefix) && BasePrefix[NName::kSuperPathPrefixSize] == 0));
#endif
if (Enumerators.IsEmpty())
{
if (Index >= FilePaths.Size())
return S_OK;
const FString &path = FilePaths[Index++];
int pos = path.ReverseFind_PathSepar();
if (pos >= 0)
resPath.SetFrom(path, pos + 1);
#if defined(_WIN32) && !defined(UNDER_CE)
if (isRootPrefix && path.Len() == 2 && NName::IsDrivePath2(path))
{
// we use "c:" item as directory item
fi.ClearBase();
fi.Name = path;
fi.SetAsDir();
fi.Size = 0;
}
else
#endif
if (!fi.Find(BasePrefix + path))
{
DWORD error = GetNormalizedError();
resPath = path;
return error;
}
break;
}
bool found;
if (Enumerators.Back().Next(fi, found))
{
if (found)
{
resPath = Prefixes.Back();
break;
}
}
else
{
DWORD error = GetNormalizedError();
resPath = Prefixes.Back();
Enumerators.DeleteBack();
Prefixes.DeleteBack();
return error;
}
Enumerators.DeleteBack();
Prefixes.DeleteBack();
}
resPath += fi.Name;
if (EnterToDirs && fi.IsDir())
{
FString s = resPath;
s.Add_PathSepar();
Prefixes.Add(s);
s += FCHAR_ANY_MASK;
Enumerators.Add(NFind::CEnumerator(BasePrefix + s));
}
filled = true;
return S_OK;
}
DWORD CDirEnumerator::GetNextFile(NFind::CFileInfo &fi, bool &filled, FString &resPath)
{
filled = false;
resPath.Empty();
for (;;)
{
if (Enumerators.IsEmpty())
{
if (Index >= FilePaths.Size())
return S_OK;
const FString &path = FilePaths[Index++];
int pos = path.ReverseFind(FCHAR_PATH_SEPARATOR);
if (pos >= 0)
resPath.SetFrom(path, pos + 1);
#ifdef _WIN32
if (BasePrefix.IsEmpty() && path.Len() == 2 && path[1] == ':')
{
// we use "c:" item as directory item
fi.Clear();
fi.Name = path;
fi.SetAsDir();
fi.Size = 0;
}
else
#endif
if (!fi.Find(BasePrefix + path))
{
DWORD error = GetNormalizedError();
resPath = path;
return error;
}
break;
}
bool found;
if (Enumerators.Back().Next(fi, found))
{
if (found)
{
resPath = Prefixes.Back();
break;
}
}
else
{
DWORD error = GetNormalizedError();
resPath = Prefixes.Back();
Enumerators.DeleteBack();
Prefixes.DeleteBack();
return error;
}
Enumerators.DeleteBack();
Prefixes.DeleteBack();
}
resPath += fi.Name;
if (EnterToDirs && fi.IsDir())
{
FString s = resPath;
s += FCHAR_PATH_SEPARATOR;
Prefixes.Add(s);
s += FCHAR_ANY_MASK;
Enumerators.Add(NFind::CEnumerator(BasePrefix + s));
}
filled = true;
return S_OK;
}
