diff options
Diffstat (limited to 'installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/GzHandler.cpp')
-rw-r--r-- | installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/GzHandler.cpp | 820 |
1 files changed, 820 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/GzHandler.cpp b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/GzHandler.cpp new file mode 100644 index 000000000..0d7f94b19 --- /dev/null +++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/GzHandler.cpp @@ -0,0 +1,820 @@ +// GzHandler.cpp + +#include "StdAfx.h" + +#include "../../../C/CpuArch.h" + +#include "Common/ComTry.h" +#include "Common/StringConvert.h" + +#include "Windows/PropVariant.h" +#include "Windows/Time.h" + +#include "../Common/ProgressUtils.h" +#include "../Common/RegisterArc.h" +#include "../Common/StreamUtils.h" + +#include "../Compress/CopyCoder.h" +#include "../Compress/DeflateDecoder.h" +#include "../Compress/DeflateEncoder.h" + +#include "Common/InStreamWithCRC.h" +#include "Common/OutStreamWithCRC.h" +#include "Common/ParseProperties.h" + +#define Get32(p) GetUi32(p) + +using namespace NWindows; + +namespace NArchive { +namespace NGz { + +static const UInt16 kSignature = 0x8B1F; + +namespace NHeader +{ + namespace NFlags + { + const Byte kIsText = 1 << 0; + const Byte kCrc = 1 << 1; + const Byte kExtra = 1 << 2; + const Byte kName = 1 << 3; + const Byte kComment = 1 << 4; + } + + namespace NExtraFlags + { + const Byte kMaximum = 2; + const Byte kFastest = 4; + } + + namespace NCompressionMethod + { + const Byte kDeflate = 8; + } + + namespace NHostOS + { + enum EEnum + { + kFAT = 0, + kAMIGA, + kVMS, + kUnix, + kVM_CMS, + kAtari, + kHPFS, + kMac, + kZ_System, + kCPM, + kTOPS20, + kNTFS, + kQDOS, + kAcorn, + kVFAT, + kMVS, + kBeOS, + kTandem, + + kUnknown = 255 + }; + } +} + +static const char *kHostOSes[] = +{ + "FAT", + "AMIGA", + "VMS", + "Unix", + "VM/CMS", + "Atari", + "HPFS", + "Macintosh", + "Z-System", + "CP/M", + "TOPS-20", + "NTFS", + "SMS/QDOS", + "Acorn", + "VFAT", + "MVS", + "BeOS", + "Tandem", + "OS/400", + "OS/X" +}; + +static const char *kUnknownOS = "Unknown"; + +class CItem +{ + bool TestFlag(Byte flag) const { return (Flags & flag) != 0; } +public: + Byte Method; + Byte Flags; + Byte ExtraFlags; + Byte HostOS; + UInt32 Time; + UInt32 Crc; + UInt32 Size32; + + AString Name; + AString Comment; + // CByteBuffer Extra; + + // bool IsText() const { return TestFlag(NHeader::NFlags::kIsText); } + bool HeaderCrcIsPresent() const { return TestFlag(NHeader::NFlags::kCrc); } + bool ExtraFieldIsPresent() const { return TestFlag(NHeader::NFlags::kExtra); } + bool NameIsPresent() const { return TestFlag(NHeader::NFlags::kName); } + bool CommentIsPresent() const { return TestFlag(NHeader::NFlags::kComment); } + + void Clear() + { + Name.Empty(); + Comment.Empty(); + // Extra.SetCapacity(0); + } + + HRESULT ReadHeader(NCompress::NDeflate::NDecoder::CCOMCoder *stream); + HRESULT ReadFooter1(NCompress::NDeflate::NDecoder::CCOMCoder *stream); + HRESULT ReadFooter2(ISequentialInStream *stream); + + HRESULT WriteHeader(ISequentialOutStream *stream); + HRESULT WriteFooter(ISequentialOutStream *stream); +}; + +static HRESULT ReadBytes(NCompress::NDeflate::NDecoder::CCOMCoder *stream, Byte *data, UInt32 size) +{ + for (UInt32 i = 0; i < size; i++) + data[i] = stream->ReadByte(); + return stream->InputEofError() ? S_FALSE : S_OK; +} + +static HRESULT SkipBytes(NCompress::NDeflate::NDecoder::CCOMCoder *stream, UInt32 size) +{ + for (UInt32 i = 0; i < size; i++) + stream->ReadByte(); + return stream->InputEofError() ? S_FALSE : S_OK; +} + +static HRESULT ReadUInt16(NCompress::NDeflate::NDecoder::CCOMCoder *stream, UInt16 &value /* , UInt32 &crc */) +{ + value = 0; + for (int i = 0; i < 2; i++) + { + Byte b = stream->ReadByte(); + if (stream->InputEofError()) + return S_FALSE; + // crc = CRC_UPDATE_BYTE(crc, b); + value |= (UInt16(b) << (8 * i)); + } + return S_OK; +} + +static HRESULT ReadString(NCompress::NDeflate::NDecoder::CCOMCoder *stream, AString &s, UInt32 limit /* , UInt32 &crc */) +{ + s.Empty(); + for (UInt32 i = 0; i < limit; i++) + { + Byte b = stream->ReadByte(); + if (stream->InputEofError()) + return S_FALSE; + // crc = CRC_UPDATE_BYTE(crc, b); + if (b == 0) + return S_OK; + s += (char)b; + } + return S_FALSE; +} + +HRESULT CItem::ReadHeader(NCompress::NDeflate::NDecoder::CCOMCoder *stream) +{ + Clear(); + + // Header-CRC field had another meaning in old version of gzip! + // UInt32 crc = CRC_INIT_VAL; + Byte buf[10]; + + RINOK(ReadBytes(stream, buf, 10)); + + if (GetUi16(buf) != kSignature) + return S_FALSE; + + Method = buf[2]; + + if (Method != NHeader::NCompressionMethod::kDeflate) + return S_FALSE; + + Flags = buf[3]; + Time = Get32(buf + 4); + ExtraFlags = buf[8]; + HostOS = buf[9]; + + // crc = CrcUpdate(crc, buf, 10); + + if (ExtraFieldIsPresent()) + { + UInt16 extraSize; + RINOK(ReadUInt16(stream, extraSize /* , crc */)); + RINOK(SkipBytes(stream, extraSize)); + // Extra.SetCapacity(extraSize); + // RINOK(ReadStream_FALSE(stream, Extra, extraSize)); + // crc = CrcUpdate(crc, Extra, extraSize); + } + if (NameIsPresent()) + RINOK(ReadString(stream, Name, (1 << 10) /* , crc */)); + if (CommentIsPresent()) + RINOK(ReadString(stream, Comment, (1 << 16) /* , crc */)); + + if (HeaderCrcIsPresent()) + { + UInt16 headerCRC; + // UInt32 dummy = 0; + RINOK(ReadUInt16(stream, headerCRC /* , dummy */)); + /* + if ((UInt16)CRC_GET_DIGEST(crc) != headerCRC) + return S_FALSE; + */ + } + return stream->InputEofError() ? S_FALSE : S_OK; +} + +HRESULT CItem::ReadFooter1(NCompress::NDeflate::NDecoder::CCOMCoder *stream) +{ + Byte buf[8]; + RINOK(ReadBytes(stream, buf, 8)); + Crc = Get32(buf); + Size32 = Get32(buf + 4); + return stream->InputEofError() ? S_FALSE : S_OK; +} + +HRESULT CItem::ReadFooter2(ISequentialInStream *stream) +{ + Byte buf[8]; + RINOK(ReadStream_FALSE(stream, buf, 8)); + Crc = Get32(buf); + Size32 = Get32(buf + 4); + return S_OK; +} + +HRESULT CItem::WriteHeader(ISequentialOutStream *stream) +{ + Byte buf[10]; + SetUi16(buf, kSignature); + buf[2] = Method; + buf[3] = Flags & NHeader::NFlags::kName; + // buf[3] |= NHeader::NFlags::kCrc; + SetUi32(buf + 4, Time); + buf[8] = ExtraFlags; + buf[9] = HostOS; + RINOK(WriteStream(stream, buf, 10)); + // crc = CrcUpdate(CRC_INIT_VAL, buf, 10); + if (NameIsPresent()) + { + // crc = CrcUpdate(crc, (const char *)Name, Name.Length() + 1); + RINOK(WriteStream(stream, (const char *)Name, Name.Length() + 1)); + } + // SetUi16(buf, (UInt16)CRC_GET_DIGEST(crc)); + // RINOK(WriteStream(stream, buf, 2)); + return S_OK; +} + +HRESULT CItem::WriteFooter(ISequentialOutStream *stream) +{ + Byte buf[8]; + SetUi32(buf, Crc); + SetUi32(buf + 4, Size32); + return WriteStream(stream, buf, 8); +} + +static const UInt32 kAlgoX1 = 0; +static const UInt32 kAlgoX5 = 1; + +static const UInt32 kNumPassesX1 = 1; +static const UInt32 kNumPassesX7 = 3; +static const UInt32 kNumPassesX9 = 10; + +static const UInt32 kNumFastBytesX1 = 32; +static const UInt32 kNumFastBytesX7 = 64; +static const UInt32 kNumFastBytesX9 = 128; + +struct CCompressMode +{ + UInt32 NumPasses; + UInt32 NumFastBytes; + UInt32 Algo; + UInt32 Mc; + bool McDefined; + + bool IsMaximum() const { return Algo > 0; } + + void Init() + { + NumPasses = NumFastBytes = Mc = Algo = 0xFFFFFFFF; + McDefined = false; + } + + void Normalize(UInt32 level) + { + if (level == 0xFFFFFFFF) + level = 5; + if (NumPasses == 0xFFFFFFFF) + NumPasses = + (level >= 9 ? kNumPassesX9 : + (level >= 7 ? kNumPassesX7 : + kNumPassesX1)); + if (NumFastBytes == 0xFFFFFFFF) + NumFastBytes = + (level >= 9 ? kNumFastBytesX9 : + (level >= 7 ? kNumFastBytesX7 : + kNumFastBytesX1)); + if (Algo == 0xFFFFFFFF) + Algo = (level >= 5 ? + kAlgoX5 : + kAlgoX1); + } +}; + +class CHandler: + public IInArchive, + public IArchiveOpenSeq, + public IOutArchive, + public ISetProperties, + public CMyUnknownImp +{ + CItem _item; + UInt64 _startPosition; + UInt64 _headerSize; + UInt64 _packSize; + bool _packSizeDefined; + CMyComPtr<IInStream> _stream; + CMyComPtr<ICompressCoder> _decoder; + NCompress::NDeflate::NDecoder::CCOMCoder *_decoderSpec; + + CCompressMode _method; + UInt32 _level; + + void InitMethodProperties() + { + _level = 0xFFFFFFFF; + _method.Init(); + } + +public: + MY_UNKNOWN_IMP4(IInArchive, IArchiveOpenSeq, IOutArchive, ISetProperties) + INTERFACE_IInArchive(;) + INTERFACE_IOutArchive(;) + STDMETHOD(OpenSeq)(ISequentialInStream *stream); + STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProps); + + CHandler() + { + InitMethodProperties(); + _decoderSpec = new NCompress::NDeflate::NDecoder::CCOMCoder; + _decoder = _decoderSpec; + } +}; + +STATPROPSTG kProps[] = +{ + { NULL, kpidPath, VT_BSTR}, + { NULL, kpidSize, VT_UI8}, + { NULL, kpidPackSize, VT_UI8}, + { NULL, kpidMTime, VT_FILETIME}, + { NULL, kpidHostOS, VT_BSTR}, + { NULL, kpidCRC, VT_UI4} + // { NULL, kpidComment, VT_BSTR} +} +; + +IMP_IInArchive_Props +IMP_IInArchive_ArcProps_NO_Table + +STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value) +{ + NCOM::CPropVariant prop; + switch(propID) + { + case kpidPhySize: if (_packSizeDefined) prop = _packSize; break; + } + prop.Detach(value); + return S_OK; +} + + +STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems) +{ + *numItems = 1; + return S_OK; +} + +STDMETHODIMP CHandler::GetProperty(UInt32 /* index */, PROPID propID, PROPVARIANT *value) +{ + COM_TRY_BEGIN + NWindows::NCOM::CPropVariant prop; + switch(propID) + { + case kpidPath: + if (_item.NameIsPresent()) + prop = MultiByteToUnicodeString(_item.Name, CP_ACP); + break; + // case kpidComment: if (_item.CommentIsPresent()) prop = MultiByteToUnicodeString(_item.Comment, CP_ACP); break; + case kpidMTime: + { + if (_item.Time != 0) + { + FILETIME utc; + NTime::UnixTimeToFileTime(_item.Time, utc); + prop = utc; + } + break; + } + case kpidSize: if (_stream) prop = (UInt64)_item.Size32; break; + case kpidPackSize: if (_packSizeDefined) prop = _packSize; break; + case kpidHostOS: prop = (_item.HostOS < sizeof(kHostOSes) / sizeof(kHostOSes[0])) ? + kHostOSes[_item.HostOS] : kUnknownOS; break; + case kpidCRC: if (_stream) prop = _item.Crc; break; + } + prop.Detach(value); + return S_OK; + COM_TRY_END +} + +STDMETHODIMP CHandler::Open(IInStream *stream, const UInt64 *, IArchiveOpenCallback *) +{ + COM_TRY_BEGIN + HRESULT res; + try + { + RINOK(stream->Seek(0, STREAM_SEEK_CUR, &_startPosition)); + res = OpenSeq(stream); + if (res == S_OK) + { + UInt64 endPos; + res = stream->Seek(-8, STREAM_SEEK_END, &endPos); + _packSize = endPos + 8 - _startPosition; + _packSizeDefined = true; + if (res == S_OK) + { + res = _item.ReadFooter2(stream); + _stream = stream; + } + } + } + catch(...) { res = S_FALSE; } + if (res != S_OK) + Close(); + return res; + COM_TRY_END +} + +STDMETHODIMP CHandler::OpenSeq(ISequentialInStream *stream) +{ + COM_TRY_BEGIN + HRESULT res; + try + { + Close(); + _decoderSpec->SetInStream(stream); + _decoderSpec->InitInStream(true); + res = _item.ReadHeader(_decoderSpec); + _headerSize = _decoderSpec->GetInputProcessedSize(); + } + catch(...) { res = S_FALSE; } + if (res != S_OK) + Close(); + return res; + COM_TRY_END +} + +STDMETHODIMP CHandler::Close() +{ + _packSizeDefined = false; + _stream.Release(); + _decoderSpec->ReleaseInStream(); + return S_OK; +} + +STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems, + Int32 _aTestMode, IArchiveExtractCallback *extractCallback) +{ + COM_TRY_BEGIN + bool allFilesMode = (numItems == (UInt32)-1); + if (!allFilesMode) + { + if (numItems == 0) + return S_OK; + if (numItems != 1 || indices[0] != 0) + return E_INVALIDARG; + } + + bool testMode = (_aTestMode != 0); + if (_stream) + extractCallback->SetTotal(_packSize); + UInt64 currentTotalPacked = 0; + RINOK(extractCallback->SetCompleted(¤tTotalPacked)); + CMyComPtr<ISequentialOutStream> realOutStream; + Int32 askMode = testMode ? + NArchive::NExtract::NAskMode::kTest : + NArchive::NExtract::NAskMode::kExtract; + RINOK(extractCallback->GetStream(0, &realOutStream, askMode)); + if (!testMode && !realOutStream) + return S_OK; + + extractCallback->PrepareOperation(askMode); + + COutStreamWithCRC *outStreamSpec = new COutStreamWithCRC; + CMyComPtr<ISequentialOutStream> outStream(outStreamSpec); + outStreamSpec->SetStream(realOutStream); + outStreamSpec->Init(); + realOutStream.Release(); + + CLocalProgress *lps = new CLocalProgress; + CMyComPtr<ICompressProgressInfo> progress = lps; + lps->Init(extractCallback, true); + + if (_stream) + { + RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL)); + _decoderSpec->InitInStream(true); + } + bool firstItem = true; + Int32 opRes = 0; + for (;;) + { + lps->InSize = _packSize = _decoderSpec->GetInputProcessedSize(); + _packSizeDefined = true; + lps->OutSize = outStreamSpec->GetSize(); + RINOK(lps->SetCur()); + + CItem item; + if (!firstItem || _stream) + { + HRESULT result = item.ReadHeader(_decoderSpec); + if (result != S_OK) + { + if (result != S_FALSE) + return result; + opRes = firstItem ? + NArchive::NExtract::NOperationResult::kDataError : + NArchive::NExtract::NOperationResult::kOK; + break; + } + } + firstItem = false; + + UInt64 startOffset = outStreamSpec->GetSize(); + outStreamSpec->InitCRC(); + + HRESULT result = _decoderSpec->CodeResume(outStream, NULL, progress); + if (result != S_OK) + { + if (result != S_FALSE) + return result; + opRes = NArchive::NExtract::NOperationResult::kDataError; + break; + } + + _decoderSpec->AlignToByte(); + if (item.ReadFooter1(_decoderSpec) != S_OK) + { + opRes = NArchive::NExtract::NOperationResult::kDataError; + break; + } + if (item.Crc != outStreamSpec->GetCRC() || + item.Size32 != (UInt32)(outStreamSpec->GetSize() - startOffset)) + { + opRes = NArchive::NExtract::NOperationResult::kCRCError; + break; + } + } + outStream.Release(); + return extractCallback->SetOperationResult(opRes); + COM_TRY_END +} + +static const Byte kHostOS = + #ifdef _WIN32 + NHeader::NHostOS::kFAT; + #else + NHeader::NHostOS::kUnix; + #endif + +static HRESULT UpdateArchive( + ISequentialOutStream *outStream, + UInt64 unpackSize, + const CItem &newItem, + const CCompressMode &compressionMode, + IArchiveUpdateCallback *updateCallback) +{ + UInt64 complexity = 0; + RINOK(updateCallback->SetTotal(unpackSize)); + RINOK(updateCallback->SetCompleted(&complexity)); + + CMyComPtr<ISequentialInStream> fileInStream; + + RINOK(updateCallback->GetStream(0, &fileInStream)); + + CSequentialInStreamWithCRC *inStreamSpec = new CSequentialInStreamWithCRC; + CMyComPtr<ISequentialInStream> crcStream(inStreamSpec); + inStreamSpec->SetStream(fileInStream); + inStreamSpec->Init(); + + CLocalProgress *lps = new CLocalProgress; + CMyComPtr<ICompressProgressInfo> progress = lps; + lps->Init(updateCallback, true); + + CItem item = newItem; + item.Method = NHeader::NCompressionMethod::kDeflate; + item.ExtraFlags = compressionMode.IsMaximum() ? + NHeader::NExtraFlags::kMaximum : + NHeader::NExtraFlags::kFastest; + + item.HostOS = kHostOS; + + RINOK(item.WriteHeader(outStream)); + + NCompress::NDeflate::NEncoder::CCOMCoder *deflateEncoderSpec = new NCompress::NDeflate::NEncoder::CCOMCoder; + CMyComPtr<ICompressCoder> deflateEncoder = deflateEncoderSpec; + { + NWindows::NCOM::CPropVariant props[] = + { + compressionMode.Algo, + compressionMode.NumPasses, + compressionMode.NumFastBytes, + compressionMode.Mc + }; + PROPID propIDs[] = + { + NCoderPropID::kAlgorithm, + NCoderPropID::kNumPasses, + NCoderPropID::kNumFastBytes, + NCoderPropID::kMatchFinderCycles + }; + int numProps = sizeof(propIDs) / sizeof(propIDs[0]); + if (!compressionMode.McDefined) + numProps--; + RINOK(deflateEncoderSpec->SetCoderProperties(propIDs, props, numProps)); + } + RINOK(deflateEncoder->Code(crcStream, outStream, NULL, NULL, progress)); + + item.Crc = inStreamSpec->GetCRC(); + item.Size32 = (UInt32)inStreamSpec->GetSize(); + RINOK(item.WriteFooter(outStream)); + return updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK); +} + +STDMETHODIMP CHandler::GetFileTimeType(UInt32 *timeType) +{ + *timeType = NFileTimeType::kUnix; + return S_OK; +} + +STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems, + IArchiveUpdateCallback *updateCallback) +{ + if (numItems != 1) + return E_INVALIDARG; + + Int32 newData, newProps; + UInt32 indexInArchive; + if (!updateCallback) + return E_FAIL; + RINOK(updateCallback->GetUpdateItemInfo(0, &newData, &newProps, &indexInArchive)); + + CItem newItem = _item; + newItem.ExtraFlags = 0; + newItem.Flags = 0; + if (IntToBool(newProps)) + { + { + FILETIME utcTime; + NCOM::CPropVariant prop; + RINOK(updateCallback->GetProperty(0, kpidMTime, &prop)); + if (prop.vt != VT_FILETIME) + return E_INVALIDARG; + utcTime = prop.filetime; + if (!NTime::FileTimeToUnixTime(utcTime, newItem.Time)) + return E_INVALIDARG; + } + { + NCOM::CPropVariant prop; + RINOK(updateCallback->GetProperty(0, kpidPath, &prop)); + if (prop.vt == VT_BSTR) + { + UString name = prop.bstrVal; + int dirDelimiterPos = name.ReverseFind(CHAR_PATH_SEPARATOR); + if (dirDelimiterPos >= 0) + name = name.Mid(dirDelimiterPos + 1); + newItem.Name = UnicodeStringToMultiByte(name, CP_ACP); + if (!newItem.Name.IsEmpty()) + newItem.Flags |= NHeader::NFlags::kName; + } + else if (prop.vt != VT_EMPTY) + return E_INVALIDARG; + } + { + NCOM::CPropVariant prop; + RINOK(updateCallback->GetProperty(0, kpidIsDir, &prop)); + if (prop.vt == VT_BOOL) + { + if (prop.boolVal != VARIANT_FALSE) + return E_INVALIDARG; + } + else if (prop.vt != VT_EMPTY) + return E_INVALIDARG; + } + } + + if (IntToBool(newData)) + { + UInt64 size; + { + NCOM::CPropVariant prop; + RINOK(updateCallback->GetProperty(0, kpidSize, &prop)); + if (prop.vt != VT_UI8) + return E_INVALIDARG; + size = prop.uhVal.QuadPart; + } + + _method.Normalize(_level); + return UpdateArchive(outStream, size, newItem, _method, updateCallback); + } + + if (indexInArchive != 0) + return E_INVALIDARG; + + if (!_stream) + return E_NOTIMPL; + + UInt64 offset = _startPosition; + if (IntToBool(newProps)) + { + newItem.WriteHeader(outStream); + offset += _headerSize; + } + RINOK(_stream->Seek(offset, STREAM_SEEK_SET, NULL)); + return NCompress::CopyStream(_stream, outStream, NULL); +} + +STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProps) +{ + InitMethodProperties(); + for (int i = 0; i < numProps; i++) + { + UString name = names[i]; + name.MakeUpper(); + if (name.IsEmpty()) + return E_INVALIDARG; + const PROPVARIANT &prop = values[i]; + if (name[0] == L'X') + { + UInt32 level = 9; + RINOK(ParsePropValue(name.Mid(1), prop, level)); + _level = level; + } + else if (name.Left(4) == L"PASS") + { + UInt32 num = kNumPassesX9; + RINOK(ParsePropValue(name.Mid(4), prop, num)); + _method.NumPasses = num; + } + else if (name.Left(2) == L"FB") + { + UInt32 num = kNumFastBytesX9; + RINOK(ParsePropValue(name.Mid(2), prop, num)); + _method.NumFastBytes = num; + } + else if (name.Left(2) == L"MC") + { + UInt32 num = 0xFFFFFFFF; + RINOK(ParsePropValue(name.Mid(2), prop, num)); + _method.Mc = num; + _method.McDefined = true; + } + else if (name.Left(1) == L"A") + { + UInt32 num = kAlgoX5; + RINOK(ParsePropValue(name.Mid(1), prop, num)); + _method.Algo = num; + } + else + return E_INVALIDARG; + } + return S_OK; +} + +static IInArchive *CreateArc() { return new CHandler; } +#ifndef EXTRACT_ONLY +static IOutArchive *CreateArcOut() { return new CHandler; } +#else +#define CreateArcOut 0 +#endif + +static CArcInfo g_ArcInfo = + { L"GZip", L"gz gzip tgz tpz", L"* * .tar .tar", 0xEF, { 0x1F, 0x8B, 8 }, 3, true, CreateArc, CreateArcOut }; + +REGISTER_ARC(GZip) + +}} |