diff options
Diffstat (limited to 'CPP/7zip/Archive/7z/7zOut.cpp')
| -rwxr-xr-x | CPP/7zip/Archive/7z/7zOut.cpp | 1136 |
1 files changed, 1136 insertions, 0 deletions
diff --git a/CPP/7zip/Archive/7z/7zOut.cpp b/CPP/7zip/Archive/7z/7zOut.cpp new file mode 100755 index 00000000..5a81a0d5 --- /dev/null +++ b/CPP/7zip/Archive/7z/7zOut.cpp @@ -0,0 +1,1136 @@ +// 7zOut.cpp + +#include "StdAfx.h" + +#include "../../../Common/AutoPtr.h" +#include "../../Common/StreamObjects.h" + +#include "7zOut.h" + +static HRESULT WriteBytes(ISequentialOutStream *stream, const void *data, size_t size) +{ + while (size > 0) + { + UInt32 curSize = (UInt32)MyMin(size, (size_t)0xFFFFFFFF); + UInt32 processedSize; + RINOK(stream->Write(data, curSize, &processedSize)); + if(processedSize == 0) + return E_FAIL; + data = (const void *)((const Byte *)data + processedSize); + size -= processedSize; + } + return S_OK; +} + +namespace NArchive { +namespace N7z { + +HRESULT COutArchive::WriteDirect(const void *data, UInt32 size) +{ + return ::WriteBytes(SeqStream, data, size); +} + +HRESULT COutArchive::WriteDirectUInt32(UInt32 value) +{ + for (int i = 0; i < 4; i++) + { + RINOK(WriteDirectByte((Byte)value)); + value >>= 8; + } + return S_OK; +} + +HRESULT COutArchive::WriteDirectUInt64(UInt64 value) +{ + for (int i = 0; i < 8; i++) + { + RINOK(WriteDirectByte((Byte)value)); + value >>= 8; + } + return S_OK; +} + +HRESULT COutArchive::WriteSignature() +{ + RINOK(WriteDirect(kSignature, kSignatureSize)); + RINOK(WriteDirectByte(kMajorVersion)); + return WriteDirectByte(2); +} + +#ifdef _7Z_VOL +HRESULT COutArchive::WriteFinishSignature() +{ + RINOK(WriteDirect(kFinishSignature, kSignatureSize)); + CArchiveVersion av; + av.Major = kMajorVersion; + av.Minor = 2; + RINOK(WriteDirectByte(av.Major)); + return WriteDirectByte(av.Minor); +} +#endif + +HRESULT COutArchive::WriteStartHeader(const CStartHeader &h) +{ + CCRC crc; + crc.UpdateUInt64(h.NextHeaderOffset); + crc.UpdateUInt64(h.NextHeaderSize); + crc.UpdateUInt32(h.NextHeaderCRC); + RINOK(WriteDirectUInt32(crc.GetDigest())); + RINOK(WriteDirectUInt64(h.NextHeaderOffset)); + RINOK(WriteDirectUInt64(h.NextHeaderSize)); + return WriteDirectUInt32(h.NextHeaderCRC); +} + +#ifdef _7Z_VOL +HRESULT COutArchive::WriteFinishHeader(const CFinishHeader &h) +{ + CCRC crc; + crc.UpdateUInt64(h.NextHeaderOffset); + crc.UpdateUInt64(h.NextHeaderSize); + crc.UpdateUInt32(h.NextHeaderCRC); + crc.UpdateUInt64(h.ArchiveStartOffset); + crc.UpdateUInt64(h.AdditionalStartBlockSize); + RINOK(WriteDirectUInt32(crc.GetDigest())); + RINOK(WriteDirectUInt64(h.NextHeaderOffset)); + RINOK(WriteDirectUInt64(h.NextHeaderSize)); + RINOK(WriteDirectUInt32(h.NextHeaderCRC)); + RINOK(WriteDirectUInt64(h.ArchiveStartOffset)); + return WriteDirectUInt64(h.AdditionalStartBlockSize); +} +#endif + +HRESULT COutArchive::Create(ISequentialOutStream *stream, bool endMarker) +{ + Close(); + #ifdef _7Z_VOL + // endMarker = false; + _endMarker = endMarker; + #endif + SeqStream = stream; + if (!endMarker) + { + SeqStream.QueryInterface(IID_IOutStream, &Stream); + if (!Stream) + { + return E_NOTIMPL; + // endMarker = true; + } + } + #ifdef _7Z_VOL + if (endMarker) + { + /* + CStartHeader sh; + sh.NextHeaderOffset = (UInt32)(Int32)-1; + sh.NextHeaderSize = (UInt32)(Int32)-1; + sh.NextHeaderCRC = 0; + WriteStartHeader(sh); + */ + } + else + #endif + { + if (!Stream) + return E_FAIL; + WriteSignature(); + RINOK(Stream->Seek(0, STREAM_SEEK_CUR, &_prefixHeaderPos)); + } + return S_OK; +} + +void COutArchive::Close() +{ + SeqStream.Release(); + Stream.Release(); +} + +HRESULT COutArchive::SkeepPrefixArchiveHeader() +{ + #ifdef _7Z_VOL + if (_endMarker) + return S_OK; + #endif + return Stream->Seek(24, STREAM_SEEK_CUR, NULL); +} + +HRESULT COutArchive::WriteBytes(const void *data, size_t size) +{ + if (_mainMode) + { + if (_dynamicMode) + _dynamicBuffer.Write(data, size); + else + _outByte.WriteBytes(data, size); + _crc.Update(data, size); + } + else + { + if (_countMode) + _countSize += size; + else + RINOK(_outByte2.Write(data, size)); + } + return S_OK; +} + +HRESULT COutArchive::WriteBytes(const CByteBuffer &data) +{ + return WriteBytes(data, data.GetCapacity()); +} + +HRESULT COutArchive::WriteByte(Byte b) +{ + return WriteBytes(&b, 1); +} + +HRESULT COutArchive::WriteUInt32(UInt32 value) +{ + for (int i = 0; i < 4; i++) + { + RINOK(WriteByte((Byte)value)); + value >>= 8; + } + return S_OK; +} + +HRESULT COutArchive::WriteNumber(UInt64 value) +{ + Byte firstByte = 0; + Byte mask = 0x80; + int i; + for (i = 0; i < 8; i++) + { + if (value < ((UInt64(1) << ( 7 * (i + 1))))) + { + firstByte |= Byte(value >> (8 * i)); + break; + } + firstByte |= mask; + mask >>= 1; + } + RINOK(WriteByte(firstByte)); + for (;i > 0; i--) + { + RINOK(WriteByte((Byte)value)); + value >>= 8; + } + return S_OK; +} + +static UInt32 GetBigNumberSize(UInt64 value) +{ + int i; + for (i = 0; i < 8; i++) + if (value < ((UInt64(1) << ( 7 * (i + 1))))) + break; + return 1 + i; +} + +#ifdef _7Z_VOL +UInt32 COutArchive::GetVolHeadersSize(UInt64 dataSize, int nameLength, bool props) +{ + UInt32 result = GetBigNumberSize(dataSize) * 2 + 41; + if (nameLength != 0) + { + nameLength = (nameLength + 1) * 2; + result += nameLength + GetBigNumberSize(nameLength) + 2; + } + if (props) + { + result += 20; + } + if (result >= 128) + result++; + result += kSignatureSize + 2 + kFinishHeaderSize; + return result; +} + +UInt64 COutArchive::GetVolPureSize(UInt64 volSize, int nameLength, bool props) +{ + UInt32 headersSizeBase = COutArchive::GetVolHeadersSize(1, nameLength, props); + int testSize; + if (volSize > headersSizeBase) + testSize = volSize - headersSizeBase; + else + testSize = 1; + UInt32 headersSize = COutArchive::GetVolHeadersSize(testSize, nameLength, props); + UInt64 pureSize = 1; + if (volSize > headersSize) + pureSize = volSize - headersSize; + return pureSize; +} +#endif + +HRESULT COutArchive::WriteFolder(const CFolder &folder) +{ + RINOK(WriteNumber(folder.Coders.Size())); + int i; + for (i = 0; i < folder.Coders.Size(); i++) + { + const CCoderInfo &coder = folder.Coders[i]; + for (int j = 0; j < coder.AltCoders.Size(); j++) + { + const CAltCoderInfo &altCoder = coder.AltCoders[j]; + size_t propertiesSize = altCoder.Properties.GetCapacity(); + + Byte b; + b = (Byte)(altCoder.MethodID.IDSize & 0xF); + bool isComplex = !coder.IsSimpleCoder(); + b |= (isComplex ? 0x10 : 0); + b |= ((propertiesSize != 0) ? 0x20 : 0 ); + b |= ((j == coder.AltCoders.Size() - 1) ? 0 : 0x80 ); + RINOK(WriteByte(b)); + RINOK(WriteBytes(altCoder.MethodID.ID, altCoder.MethodID.IDSize)); + if (isComplex) + { + RINOK(WriteNumber(coder.NumInStreams)); + RINOK(WriteNumber(coder.NumOutStreams)); + } + if (propertiesSize == 0) + continue; + RINOK(WriteNumber(propertiesSize)); + RINOK(WriteBytes(altCoder.Properties, propertiesSize)); + } + } + for (i = 0; i < folder.BindPairs.Size(); i++) + { + const CBindPair &bindPair = folder.BindPairs[i]; + RINOK(WriteNumber(bindPair.InIndex)); + RINOK(WriteNumber(bindPair.OutIndex)); + } + if (folder.PackStreams.Size() > 1) + for (i = 0; i < folder.PackStreams.Size(); i++) + { + RINOK(WriteNumber(folder.PackStreams[i])); + } + return S_OK; +} + +HRESULT COutArchive::WriteBoolVector(const CBoolVector &boolVector) +{ + Byte b = 0; + Byte mask = 0x80; + for(int i = 0; i < boolVector.Size(); i++) + { + if (boolVector[i]) + b |= mask; + mask >>= 1; + if (mask == 0) + { + RINOK(WriteByte(b)); + mask = 0x80; + b = 0; + } + } + if (mask != 0x80) + { + RINOK(WriteByte(b)); + } + return S_OK; +} + + +HRESULT COutArchive::WriteHashDigests( + const CRecordVector<bool> &digestsDefined, + const CRecordVector<UInt32> &digests) +{ + int numDefined = 0; + int i; + for(i = 0; i < digestsDefined.Size(); i++) + if (digestsDefined[i]) + numDefined++; + if (numDefined == 0) + return S_OK; + + RINOK(WriteByte(NID::kCRC)); + if (numDefined == digestsDefined.Size()) + { + RINOK(WriteByte(1)); + } + else + { + RINOK(WriteByte(0)); + RINOK(WriteBoolVector(digestsDefined)); + } + for(i = 0; i < digests.Size(); i++) + { + if(digestsDefined[i]) + RINOK(WriteUInt32(digests[i])); + } + return S_OK; +} + +HRESULT COutArchive::WritePackInfo( + UInt64 dataOffset, + const CRecordVector<UInt64> &packSizes, + const CRecordVector<bool> &packCRCsDefined, + const CRecordVector<UInt32> &packCRCs) +{ + if (packSizes.IsEmpty()) + return S_OK; + RINOK(WriteByte(NID::kPackInfo)); + RINOK(WriteNumber(dataOffset)); + RINOK(WriteNumber(packSizes.Size())); + RINOK(WriteByte(NID::kSize)); + for(int i = 0; i < packSizes.Size(); i++) + RINOK(WriteNumber(packSizes[i])); + + RINOK(WriteHashDigests(packCRCsDefined, packCRCs)); + + return WriteByte(NID::kEnd); +} + +HRESULT COutArchive::WriteUnPackInfo( + bool externalFolders, + CNum externalFoldersStreamIndex, + const CObjectVector<CFolder> &folders) +{ + if (folders.IsEmpty()) + return S_OK; + + RINOK(WriteByte(NID::kUnPackInfo)); + + RINOK(WriteByte(NID::kFolder)); + RINOK(WriteNumber(folders.Size())); + if (externalFolders) + { + RINOK(WriteByte(1)); + RINOK(WriteNumber(externalFoldersStreamIndex)); + } + else + { + RINOK(WriteByte(0)); + for(int i = 0; i < folders.Size(); i++) + RINOK(WriteFolder(folders[i])); + } + + RINOK(WriteByte(NID::kCodersUnPackSize)); + int i; + for(i = 0; i < folders.Size(); i++) + { + const CFolder &folder = folders[i]; + for (int j = 0; j < folder.UnPackSizes.Size(); j++) + RINOK(WriteNumber(folder.UnPackSizes[j])); + } + + CRecordVector<bool> unPackCRCsDefined; + CRecordVector<UInt32> unPackCRCs; + for(i = 0; i < folders.Size(); i++) + { + const CFolder &folder = folders[i]; + unPackCRCsDefined.Add(folder.UnPackCRCDefined); + unPackCRCs.Add(folder.UnPackCRC); + } + RINOK(WriteHashDigests(unPackCRCsDefined, unPackCRCs)); + + return WriteByte(NID::kEnd); +} + +HRESULT COutArchive::WriteSubStreamsInfo( + const CObjectVector<CFolder> &folders, + const CRecordVector<CNum> &numUnPackStreamsInFolders, + const CRecordVector<UInt64> &unPackSizes, + const CRecordVector<bool> &digestsDefined, + const CRecordVector<UInt32> &digests) +{ + RINOK(WriteByte(NID::kSubStreamsInfo)); + + int i; + for(i = 0; i < numUnPackStreamsInFolders.Size(); i++) + { + if (numUnPackStreamsInFolders[i] != 1) + { + RINOK(WriteByte(NID::kNumUnPackStream)); + for(i = 0; i < numUnPackStreamsInFolders.Size(); i++) + RINOK(WriteNumber(numUnPackStreamsInFolders[i])); + break; + } + } + + + bool needFlag = true; + CNum index = 0; + for(i = 0; i < numUnPackStreamsInFolders.Size(); i++) + for (CNum j = 0; j < numUnPackStreamsInFolders[i]; j++) + { + if (j + 1 != numUnPackStreamsInFolders[i]) + { + if (needFlag) + RINOK(WriteByte(NID::kSize)); + needFlag = false; + RINOK(WriteNumber(unPackSizes[index])); + } + index++; + } + + CRecordVector<bool> digestsDefined2; + CRecordVector<UInt32> digests2; + + int digestIndex = 0; + for (i = 0; i < folders.Size(); i++) + { + int numSubStreams = (int)numUnPackStreamsInFolders[i]; + if (numSubStreams == 1 && folders[i].UnPackCRCDefined) + digestIndex++; + else + for (int j = 0; j < numSubStreams; j++, digestIndex++) + { + digestsDefined2.Add(digestsDefined[digestIndex]); + digests2.Add(digests[digestIndex]); + } + } + RINOK(WriteHashDigests(digestsDefined2, digests2)); + return WriteByte(NID::kEnd); +} + +HRESULT COutArchive::WriteTime( + const CObjectVector<CFileItem> &files, Byte type, + bool isExternal, CNum externalDataIndex) +{ + ///////////////////////////////////////////////// + // CreationTime + CBoolVector boolVector; + boolVector.Reserve(files.Size()); + bool thereAreDefined = false; + bool allDefined = true; + int i; + for(i = 0; i < files.Size(); i++) + { + const CFileItem &item = files[i]; + bool defined; + switch(type) + { + case NID::kCreationTime: + defined = item.IsCreationTimeDefined; + break; + case NID::kLastWriteTime: + defined = item.IsLastWriteTimeDefined; + break; + case NID::kLastAccessTime: + defined = item.IsLastAccessTimeDefined; + break; + default: + throw 1; + } + boolVector.Add(defined); + thereAreDefined = (thereAreDefined || defined); + allDefined = (allDefined && defined); + } + if (!thereAreDefined) + return S_OK; + RINOK(WriteByte(type)); + size_t dataSize = 1 + 1; + if (isExternal) + dataSize += GetBigNumberSize(externalDataIndex); + else + dataSize += files.Size() * 8; + if (allDefined) + { + RINOK(WriteNumber(dataSize)); + WriteByte(1); + } + else + { + RINOK(WriteNumber(1 + (boolVector.Size() + 7) / 8 + dataSize)); + WriteByte(0); + RINOK(WriteBoolVector(boolVector)); + } + if (isExternal) + { + RINOK(WriteByte(1)); + RINOK(WriteNumber(externalDataIndex)); + return S_OK; + } + RINOK(WriteByte(0)); + for(i = 0; i < files.Size(); i++) + { + if (boolVector[i]) + { + const CFileItem &item = files[i]; + CArchiveFileTime timeValue; + timeValue.dwLowDateTime = 0; + timeValue.dwHighDateTime = 0; + switch(type) + { + case NID::kCreationTime: + timeValue = item.CreationTime; + break; + case NID::kLastWriteTime: + timeValue = item.LastWriteTime; + break; + case NID::kLastAccessTime: + timeValue = item.LastAccessTime; + break; + } + RINOK(WriteUInt32(timeValue.dwLowDateTime)); + RINOK(WriteUInt32(timeValue.dwHighDateTime)); + } + } + return S_OK; +} + +HRESULT COutArchive::EncodeStream(CEncoder &encoder, const Byte *data, size_t dataSize, + CRecordVector<UInt64> &packSizes, CObjectVector<CFolder> &folders) +{ + CSequentialInStreamImp *streamSpec = new CSequentialInStreamImp; + CMyComPtr<ISequentialInStream> stream = streamSpec; + streamSpec->Init(data, dataSize); + CFolder folderItem; + folderItem.UnPackCRCDefined = true; + folderItem.UnPackCRC = CCRC::CalculateDigest(data, dataSize); + UInt64 dataSize64 = dataSize; + RINOK(encoder.Encode(stream, NULL, &dataSize64, folderItem, SeqStream, packSizes, NULL)); + folders.Add(folderItem); + return S_OK; +} + +HRESULT COutArchive::EncodeStream(CEncoder &encoder, const CByteBuffer &data, + CRecordVector<UInt64> &packSizes, CObjectVector<CFolder> &folders) +{ + return EncodeStream(encoder, data, data.GetCapacity(), packSizes, folders); +} + +static void WriteUInt32ToBuffer(Byte *data, UInt32 value) +{ + for (int i = 0; i < 4; i++) + { + *data++ = (Byte)value; + value >>= 8; + } +} + +static void WriteUInt64ToBuffer(Byte *data, UInt64 value) +{ + for (int i = 0; i < 8; i++) + { + *data++ = (Byte)value; + value >>= 8; + } +} + + +HRESULT COutArchive::WriteHeader(const CArchiveDatabase &database, + const CCompressionMethodMode *options, + const CHeaderOptions &headerOptions, + UInt64 &headerOffset) +{ + CObjectVector<CFolder> folders; + + bool compressHeaders = (options != NULL); + CMyAutoPtr<CEncoder> encoder; + if (compressHeaders) + { + // it's for gcc2.95.2 + CMyAutoPtr<CEncoder> tmp(new CEncoder(*options)); + encoder = tmp; + } + + CRecordVector<UInt64> packSizes; + + CNum dataIndex = 0; + + ////////////////////////// + // Folders + + CNum externalFoldersStreamIndex = 0; + bool externalFolders = (compressHeaders && database.Folders.Size() > 8); + if (externalFolders) + { + _mainMode = false; + _countMode = true; + _countSize = 0; + int i; + for(i = 0; i < database.Folders.Size(); i++) + { + RINOK(WriteFolder(database.Folders[i])); + } + + _countMode = false; + + CByteBuffer foldersData; + foldersData.SetCapacity(_countSize); + _outByte2.Init(foldersData, foldersData.GetCapacity()); + + for(i = 0; i < database.Folders.Size(); i++) + { + RINOK(WriteFolder(database.Folders[i])); + } + + { + externalFoldersStreamIndex = dataIndex++; + RINOK(EncodeStream(*encoder, foldersData, packSizes, folders)); + } + } + + + int i; + + ///////////////////////////////// + // Names + + CNum numDefinedNames = 0; + size_t namesDataSize = 0; + for(i = 0; i < database.Files.Size(); i++) + { + const UString &name = database.Files[i].Name; + if (!name.IsEmpty()) + numDefinedNames++; + namesDataSize += (name.Length() + 1) * 2; + } + + CByteBuffer namesData; + CNum externalNamesStreamIndex = 0; + bool externalNames = (compressHeaders && database.Files.Size() > 8); + if (numDefinedNames > 0) + { + namesData.SetCapacity((size_t)namesDataSize); + size_t pos = 0; + for(int i = 0; i < database.Files.Size(); i++) + { + const UString &name = database.Files[i].Name; + for (int t = 0; t < name.Length(); t++) + { + wchar_t c = name[t]; + namesData[pos++] = Byte(c); + namesData[pos++] = Byte(c >> 8); + } + namesData[pos++] = 0; + namesData[pos++] = 0; + } + + if (externalNames) + { + externalNamesStreamIndex = dataIndex++; + RINOK(EncodeStream(*encoder, namesData, packSizes, folders)); + } + } + + ///////////////////////////////// + // Write Attributes + CBoolVector attributesBoolVector; + attributesBoolVector.Reserve(database.Files.Size()); + int numDefinedAttributes = 0; + for(i = 0; i < database.Files.Size(); i++) + { + bool defined = database.Files[i].AreAttributesDefined; + attributesBoolVector.Add(defined); + if (defined) + numDefinedAttributes++; + } + + CByteBuffer attributesData; + CNum externalAttributesStreamIndex = 0; + bool externalAttributes = (compressHeaders && numDefinedAttributes > 8); + if (numDefinedAttributes > 0) + { + attributesData.SetCapacity(numDefinedAttributes * 4); + size_t pos = 0; + for(i = 0; i < database.Files.Size(); i++) + { + const CFileItem &file = database.Files[i]; + if (file.AreAttributesDefined) + { + WriteUInt32ToBuffer(attributesData + pos, file.Attributes); + pos += 4; + } + } + if (externalAttributes) + { + externalAttributesStreamIndex = dataIndex++; + RINOK(EncodeStream(*encoder, attributesData, packSizes, folders)); + } + } + + ///////////////////////////////// + // Write StartPos + CBoolVector startsBoolVector; + startsBoolVector.Reserve(database.Files.Size()); + int numDefinedStarts = 0; + for(i = 0; i < database.Files.Size(); i++) + { + bool defined = database.Files[i].IsStartPosDefined; + startsBoolVector.Add(defined); + if (defined) + numDefinedStarts++; + } + + CByteBuffer startsData; + CNum externalStartStreamIndex = 0; + bool externalStarts = (compressHeaders && numDefinedStarts > 8); + if (numDefinedStarts > 0) + { + startsData.SetCapacity(numDefinedStarts * 8); + size_t pos = 0; + for(i = 0; i < database.Files.Size(); i++) + { + const CFileItem &file = database.Files[i]; + if (file.IsStartPosDefined) + { + WriteUInt64ToBuffer(startsData + pos, file.StartPos); + pos += 8; + } + } + if (externalStarts) + { + externalStartStreamIndex = dataIndex++; + RINOK(EncodeStream(*encoder, startsData, packSizes, folders)); + } + } + + ///////////////////////////////// + // Write Last Write Time + CNum externalLastWriteTimeStreamIndex = 0; + bool externalLastWriteTime = false; + // /* + CNum numDefinedLastWriteTimes = 0; + for(i = 0; i < database.Files.Size(); i++) + if (database.Files[i].IsLastWriteTimeDefined) + numDefinedLastWriteTimes++; + + externalLastWriteTime = (compressHeaders && numDefinedLastWriteTimes > 64); + if (numDefinedLastWriteTimes > 0) + { + CByteBuffer lastWriteTimeData; + lastWriteTimeData.SetCapacity(numDefinedLastWriteTimes * 8); + size_t pos = 0; + for(i = 0; i < database.Files.Size(); i++) + { + const CFileItem &file = database.Files[i]; + if (file.IsLastWriteTimeDefined) + { + WriteUInt32ToBuffer(lastWriteTimeData + pos, file.LastWriteTime.dwLowDateTime); + pos += 4; + WriteUInt32ToBuffer(lastWriteTimeData + pos, file.LastWriteTime.dwHighDateTime); + pos += 4; + } + } + if (externalLastWriteTime) + { + externalLastWriteTimeStreamIndex = dataIndex++; + RINOK(EncodeStream(*encoder, lastWriteTimeData, packSizes, folders)); + } + } + // */ + + + UInt64 packedSize = 0; + for(i = 0; i < database.PackSizes.Size(); i++) + packedSize += database.PackSizes[i]; + UInt64 headerPackSize = 0; + for (i = 0; i < packSizes.Size(); i++) + headerPackSize += packSizes[i]; + + headerOffset = packedSize + headerPackSize; + + _mainMode = true; + + _outByte.SetStream(SeqStream); + _outByte.Init(); + _crc.Init(); + + + RINOK(WriteByte(NID::kHeader)); + + // Archive Properties + + if (folders.Size() > 0) + { + RINOK(WriteByte(NID::kAdditionalStreamsInfo)); + RINOK(WritePackInfo(packedSize, packSizes, + CRecordVector<bool>(), CRecordVector<UInt32>())); + RINOK(WriteUnPackInfo(false, 0, folders)); + RINOK(WriteByte(NID::kEnd)); + } + + //////////////////////////////////////////////////// + + if (database.Folders.Size() > 0) + { + RINOK(WriteByte(NID::kMainStreamsInfo)); + RINOK(WritePackInfo(0, database.PackSizes, + database.PackCRCsDefined, + database.PackCRCs)); + + RINOK(WriteUnPackInfo(externalFolders, externalFoldersStreamIndex, database.Folders)); + + CRecordVector<UInt64> unPackSizes; + CRecordVector<bool> digestsDefined; + CRecordVector<UInt32> digests; + for (i = 0; i < database.Files.Size(); i++) + { + const CFileItem &file = database.Files[i]; + if (!file.HasStream) + continue; + unPackSizes.Add(file.UnPackSize); + digestsDefined.Add(file.IsFileCRCDefined); + digests.Add(file.FileCRC); + } + + RINOK(WriteSubStreamsInfo( + database.Folders, + database.NumUnPackStreamsVector, + unPackSizes, + digestsDefined, + digests)); + RINOK(WriteByte(NID::kEnd)); + } + + if (database.Files.IsEmpty()) + { + RINOK(WriteByte(NID::kEnd)); + return _outByte.Flush(); + } + + RINOK(WriteByte(NID::kFilesInfo)); + RINOK(WriteNumber(database.Files.Size())); + + CBoolVector emptyStreamVector; + emptyStreamVector.Reserve(database.Files.Size()); + int numEmptyStreams = 0; + for(i = 0; i < database.Files.Size(); i++) + if (database.Files[i].HasStream) + emptyStreamVector.Add(false); + else + { + emptyStreamVector.Add(true); + numEmptyStreams++; + } + if (numEmptyStreams > 0) + { + RINOK(WriteByte(NID::kEmptyStream)); + RINOK(WriteNumber((emptyStreamVector.Size() + 7) / 8)); + RINOK(WriteBoolVector(emptyStreamVector)); + + CBoolVector emptyFileVector, antiVector; + emptyFileVector.Reserve(numEmptyStreams); + antiVector.Reserve(numEmptyStreams); + CNum numEmptyFiles = 0, numAntiItems = 0; + for(i = 0; i < database.Files.Size(); i++) + { + const CFileItem &file = database.Files[i]; + if (!file.HasStream) + { + emptyFileVector.Add(!file.IsDirectory); + if (!file.IsDirectory) + numEmptyFiles++; + antiVector.Add(file.IsAnti); + if (file.IsAnti) + numAntiItems++; + } + } + + if (numEmptyFiles > 0) + { + RINOK(WriteByte(NID::kEmptyFile)); + RINOK(WriteNumber((emptyFileVector.Size() + 7) / 8)); + RINOK(WriteBoolVector(emptyFileVector)); + } + + if (numAntiItems > 0) + { + RINOK(WriteByte(NID::kAnti)); + RINOK(WriteNumber((antiVector.Size() + 7) / 8)); + RINOK(WriteBoolVector(antiVector)); + } + } + + if (numDefinedNames > 0) + { + ///////////////////////////////////////////////// + RINOK(WriteByte(NID::kName)); + if (externalNames) + { + RINOK(WriteNumber(1 + GetBigNumberSize(externalNamesStreamIndex))); + RINOK(WriteByte(1)); + RINOK(WriteNumber(externalNamesStreamIndex)); + } + else + { + RINOK(WriteNumber(1 + namesData.GetCapacity())); + RINOK(WriteByte(0)); + RINOK(WriteBytes(namesData)); + } + + } + + if (headerOptions.WriteCreated) + { + RINOK(WriteTime(database.Files, NID::kCreationTime, false, 0)); + } + if (headerOptions.WriteModified) + { + RINOK(WriteTime(database.Files, NID::kLastWriteTime, + // false, 0)); + externalLastWriteTime, externalLastWriteTimeStreamIndex)); + } + if (headerOptions.WriteAccessed) + { + RINOK(WriteTime(database.Files, NID::kLastAccessTime, false, 0)); + } + + if (numDefinedAttributes > 0) + { + RINOK(WriteByte(NID::kWinAttributes)); + size_t size = 2; + if (numDefinedAttributes != database.Files.Size()) + size += (attributesBoolVector.Size() + 7) / 8 + 1; + if (externalAttributes) + size += GetBigNumberSize(externalAttributesStreamIndex); + else + size += attributesData.GetCapacity(); + + RINOK(WriteNumber(size)); + if (numDefinedAttributes == database.Files.Size()) + { + RINOK(WriteByte(1)); + } + else + { + RINOK(WriteByte(0)); + RINOK(WriteBoolVector(attributesBoolVector)); + } + + if (externalAttributes) + { + RINOK(WriteByte(1)); + RINOK(WriteNumber(externalAttributesStreamIndex)); + } + else + { + RINOK(WriteByte(0)); + RINOK(WriteBytes(attributesData)); + } + } + + if (numDefinedStarts > 0) + { + RINOK(WriteByte(NID::kStartPos)); + size_t size = 2; + if (numDefinedStarts != database.Files.Size()) + size += (startsBoolVector.Size() + 7) / 8 + 1; + if (externalStarts) + size += GetBigNumberSize(externalStartStreamIndex); + else + size += startsData.GetCapacity(); + + RINOK(WriteNumber(size)); + if (numDefinedStarts == database.Files.Size()) + { + RINOK(WriteByte(1)); + } + else + { + RINOK(WriteByte(0)); + RINOK(WriteBoolVector(startsBoolVector)); + } + + if (externalAttributes) + { + RINOK(WriteByte(1)); + RINOK(WriteNumber(externalStartStreamIndex)); + } + else + { + RINOK(WriteByte(0)); + RINOK(WriteBytes(startsData)); + } + } + + RINOK(WriteByte(NID::kEnd)); // for files + RINOK(WriteByte(NID::kEnd)); // for headers + + return _outByte.Flush(); +} + +HRESULT COutArchive::WriteDatabase(const CArchiveDatabase &database, + const CCompressionMethodMode *options, + const CHeaderOptions &headerOptions) +{ + UInt64 headerOffset; + UInt32 headerCRC; + UInt64 headerSize; + if (database.IsEmpty()) + { + headerSize = 0; + headerOffset = 0; + headerCRC = CCRC::CalculateDigest(0, 0); + } + else + { + _dynamicBuffer.Init(); + _dynamicMode = false; + + if (options != 0) + if (options->IsEmpty()) + options = 0; + const CCompressionMethodMode *additionalStreamsOptions = options; + if (!headerOptions.UseAdditionalHeaderStreams) + additionalStreamsOptions = 0; + /* + if (database.Files.Size() < 2) + compressMainHeader = false; + */ + if (options != 0) + if (options->PasswordIsDefined || headerOptions.CompressMainHeader) + _dynamicMode = true; + RINOK(WriteHeader(database, additionalStreamsOptions, headerOptions, headerOffset)); + + if (_dynamicMode) + { + CCompressionMethodMode encryptOptions; + encryptOptions.PasswordIsDefined = options->PasswordIsDefined; + encryptOptions.Password = options->Password; + CEncoder encoder(headerOptions.CompressMainHeader ? *options : encryptOptions); + CRecordVector<UInt64> packSizes; + CObjectVector<CFolder> folders; + RINOK(EncodeStream(encoder, _dynamicBuffer, + _dynamicBuffer.GetSize(), packSizes, folders)); + _dynamicMode = false; + _mainMode = true; + + _outByte.SetStream(SeqStream); + _outByte.Init(); + _crc.Init(); + + if (folders.Size() == 0) + throw 1; + + RINOK(WriteID(NID::kEncodedHeader)); + RINOK(WritePackInfo(headerOffset, packSizes, + CRecordVector<bool>(), CRecordVector<UInt32>())); + RINOK(WriteUnPackInfo(false, 0, folders)); + RINOK(WriteByte(NID::kEnd)); + for (int i = 0; i < packSizes.Size(); i++) + headerOffset += packSizes[i]; + RINOK(_outByte.Flush()); + } + headerCRC = _crc.GetDigest(); + headerSize = _outByte.GetProcessedSize(); + } + #ifdef _7Z_VOL + if (_endMarker) + { + CFinishHeader h; + h.NextHeaderSize = headerSize; + h.NextHeaderCRC = headerCRC; + h.NextHeaderOffset = + UInt64(0) - (headerSize + + 4 + kFinishHeaderSize); + h.ArchiveStartOffset = h.NextHeaderOffset - headerOffset; + h.AdditionalStartBlockSize = 0; + RINOK(WriteFinishHeader(h)); + return WriteFinishSignature(); + } + else + #endif + { + CStartHeader h; + h.NextHeaderSize = headerSize; + h.NextHeaderCRC = headerCRC; + h.NextHeaderOffset = headerOffset; + RINOK(Stream->Seek(_prefixHeaderPos, STREAM_SEEK_SET, NULL)); + return WriteStartHeader(h); + } +} + +}} |