--- a/misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zEncode.cpp Wed May 16 18:22:28 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,453 +0,0 @@
-// Encode.cpp
-
-#include "StdAfx.h"
-
-#include "7zEncode.h"
-#include "7zSpecStream.h"
-
-#include "../../IPassword.h"
-#include "../../Common/ProgressUtils.h"
-#include "../../Common/LimitedStreams.h"
-#include "../../Common/InOutTempBuffer.h"
-#include "../../Common/StreamObjects.h"
-#include "../../Common/CreateCoder.h"
-#include "../../Common/FilterCoder.h"
-
-static const UInt64 k_AES = 0x06F10701;
-static const UInt64 k_BCJ = 0x03030103;
-static const UInt64 k_BCJ2 = 0x0303011B;
-
-namespace NArchive {
-namespace N7z {
-
-static void ConvertBindInfoToFolderItemInfo(const NCoderMixer::CBindInfo &bindInfo,
- const CRecordVector<CMethodId> decompressionMethods,
- CFolder &folder)
-{
- folder.Coders.Clear();
- // bindInfo.CoderMethodIDs.Clear();
- // folder.OutStreams.Clear();
- folder.PackStreams.Clear();
- folder.BindPairs.Clear();
- int i;
- for (i = 0; i < bindInfo.BindPairs.Size(); i++)
- {
- CBindPair bindPair;
- bindPair.InIndex = bindInfo.BindPairs[i].InIndex;
- bindPair.OutIndex = bindInfo.BindPairs[i].OutIndex;
- folder.BindPairs.Add(bindPair);
- }
- for (i = 0; i < bindInfo.Coders.Size(); i++)
- {
- CCoderInfo coderInfo;
- const NCoderMixer::CCoderStreamsInfo &coderStreamsInfo = bindInfo.Coders[i];
- coderInfo.NumInStreams = coderStreamsInfo.NumInStreams;
- coderInfo.NumOutStreams = coderStreamsInfo.NumOutStreams;
- coderInfo.MethodID = decompressionMethods[i];
- folder.Coders.Add(coderInfo);
- }
- for (i = 0; i < bindInfo.InStreams.Size(); i++)
- folder.PackStreams.Add(bindInfo.InStreams[i]);
-}
-
-HRESULT CEncoder::CreateMixerCoder(
- DECL_EXTERNAL_CODECS_LOC_VARS
- const UInt64 *inSizeForReduce)
-{
- _mixerCoderSpec = new NCoderMixer::CCoderMixer2MT;
- _mixerCoder = _mixerCoderSpec;
- RINOK(_mixerCoderSpec->SetBindInfo(_bindInfo));
- for (int i = 0; i < _options.Methods.Size(); i++)
- {
- const CMethodFull &methodFull = _options.Methods[i];
- _codersInfo.Add(CCoderInfo());
- CCoderInfo &encodingInfo = _codersInfo.Back();
- encodingInfo.MethodID = methodFull.Id;
- CMyComPtr<ICompressCoder> encoder;
- CMyComPtr<ICompressCoder2> encoder2;
-
-
- RINOK(CreateCoder(
- EXTERNAL_CODECS_LOC_VARS
- methodFull.Id, encoder, encoder2, true));
-
- if (!encoder && !encoder2)
- return E_FAIL;
-
- CMyComPtr<IUnknown> encoderCommon = encoder ? (IUnknown *)encoder : (IUnknown *)encoder2;
-
- #ifdef COMPRESS_MT
- {
- CMyComPtr<ICompressSetCoderMt> setCoderMt;
- encoderCommon.QueryInterface(IID_ICompressSetCoderMt, &setCoderMt);
- if (setCoderMt)
- {
- RINOK(setCoderMt->SetNumberOfThreads(_options.NumThreads));
- }
- }
- #endif
-
-
- RINOK(SetMethodProperties(methodFull, inSizeForReduce, encoderCommon));
-
- /*
- CMyComPtr<ICryptoResetSalt> resetSalt;
- encoderCommon.QueryInterface(IID_ICryptoResetSalt, (void **)&resetSalt);
- if (resetSalt != NULL)
- {
- resetSalt->ResetSalt();
- }
- */
-
- #ifdef EXTERNAL_CODECS
- CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
- encoderCommon.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
- if (setCompressCodecsInfo)
- {
- RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecsInfo));
- }
- #endif
-
- CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
- encoderCommon.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword);
-
- if (cryptoSetPassword)
- {
- CByteBuffer buffer;
- const UInt32 sizeInBytes = _options.Password.Length() * 2;
- buffer.SetCapacity(sizeInBytes);
- for (int i = 0; i < _options.Password.Length(); i++)
- {
- wchar_t c = _options.Password[i];
- ((Byte *)buffer)[i * 2] = (Byte)c;
- ((Byte *)buffer)[i * 2 + 1] = (Byte)(c >> 8);
- }
- RINOK(cryptoSetPassword->CryptoSetPassword((const Byte *)buffer, sizeInBytes));
- }
-
- if (encoder)
- _mixerCoderSpec->AddCoder(encoder);
- else
- _mixerCoderSpec->AddCoder2(encoder2);
- }
- return S_OK;
-}
-
-HRESULT CEncoder::Encode(
- DECL_EXTERNAL_CODECS_LOC_VARS
- ISequentialInStream *inStream,
- const UInt64 *inStreamSize, const UInt64 *inSizeForReduce,
- CFolder &folderItem,
- ISequentialOutStream *outStream,
- CRecordVector<UInt64> &packSizes,
- ICompressProgressInfo *compressProgress)
-{
- RINOK(EncoderConstr());
-
- if (_mixerCoderSpec == NULL)
- {
- RINOK(CreateMixerCoder(EXTERNAL_CODECS_LOC_VARS inSizeForReduce));
- }
- _mixerCoderSpec->ReInit();
- // _mixerCoderSpec->SetCoderInfo(0, NULL, NULL, progress);
-
- CObjectVector<CInOutTempBuffer> inOutTempBuffers;
- CObjectVector<CSequentialOutTempBufferImp *> tempBufferSpecs;
- CObjectVector<CMyComPtr<ISequentialOutStream> > tempBuffers;
- int numMethods = _bindInfo.Coders.Size();
- int i;
- for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
- {
- inOutTempBuffers.Add(CInOutTempBuffer());
- inOutTempBuffers.Back().Create();
- inOutTempBuffers.Back().InitWriting();
- }
- for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
- {
- CSequentialOutTempBufferImp *tempBufferSpec =
- new CSequentialOutTempBufferImp;
- CMyComPtr<ISequentialOutStream> tempBuffer = tempBufferSpec;
- tempBufferSpec->Init(&inOutTempBuffers[i - 1]);
- tempBuffers.Add(tempBuffer);
- tempBufferSpecs.Add(tempBufferSpec);
- }
-
- for (i = 0; i < numMethods; i++)
- _mixerCoderSpec->SetCoderInfo(i, NULL, NULL);
-
- if (_bindInfo.InStreams.IsEmpty())
- return E_FAIL;
- UInt32 mainCoderIndex, mainStreamIndex;
- _bindInfo.FindInStream(_bindInfo.InStreams[0], mainCoderIndex, mainStreamIndex);
-
- if (inStreamSize != NULL)
- {
- CRecordVector<const UInt64 *> sizePointers;
- for (UInt32 i = 0; i < _bindInfo.Coders[mainCoderIndex].NumInStreams; i++)
- if (i == mainStreamIndex)
- sizePointers.Add(inStreamSize);
- else
- sizePointers.Add(NULL);
- _mixerCoderSpec->SetCoderInfo(mainCoderIndex, &sizePointers.Front(), NULL);
- }
-
-
- // UInt64 outStreamStartPos;
- // RINOK(stream->Seek(0, STREAM_SEEK_CUR, &outStreamStartPos));
-
- CSequentialInStreamSizeCount2 *inStreamSizeCountSpec =
- new CSequentialInStreamSizeCount2;
- CMyComPtr<ISequentialInStream> inStreamSizeCount = inStreamSizeCountSpec;
- CSequentialOutStreamSizeCount *outStreamSizeCountSpec =
- new CSequentialOutStreamSizeCount;
- CMyComPtr<ISequentialOutStream> outStreamSizeCount = outStreamSizeCountSpec;
-
- inStreamSizeCountSpec->Init(inStream);
- outStreamSizeCountSpec->SetStream(outStream);
- outStreamSizeCountSpec->Init();
-
- CRecordVector<ISequentialInStream *> inStreamPointers;
- CRecordVector<ISequentialOutStream *> outStreamPointers;
- inStreamPointers.Add(inStreamSizeCount);
- outStreamPointers.Add(outStreamSizeCount);
- for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
- outStreamPointers.Add(tempBuffers[i - 1]);
-
- for (i = 0; i < _codersInfo.Size(); i++)
- {
- CCoderInfo &encodingInfo = _codersInfo[i];
-
- CMyComPtr<ICryptoResetInitVector> resetInitVector;
- _mixerCoderSpec->_coders[i].QueryInterface(IID_ICryptoResetInitVector, (void **)&resetInitVector);
- if (resetInitVector != NULL)
- {
- resetInitVector->ResetInitVector();
- }
-
- CMyComPtr<ICompressWriteCoderProperties> writeCoderProperties;
- _mixerCoderSpec->_coders[i].QueryInterface(IID_ICompressWriteCoderProperties, (void **)&writeCoderProperties);
- if (writeCoderProperties != NULL)
- {
- CSequentialOutStreamImp *outStreamSpec = new CSequentialOutStreamImp;
- CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
- outStreamSpec->Init();
- writeCoderProperties->WriteCoderProperties(outStream);
- size_t size = outStreamSpec->GetSize();
- encodingInfo.Properties.SetCapacity(size);
- memmove(encodingInfo.Properties, outStreamSpec->GetBuffer(), size);
- }
- }
-
- UInt32 progressIndex = mainCoderIndex;
-
- for (i = 0; i < _codersInfo.Size(); i++)
- {
- const CCoderInfo &e = _codersInfo[i];
- if ((e.MethodID == k_BCJ || e.MethodID == k_BCJ2) && i + 1 < _codersInfo.Size())
- progressIndex = i + 1;
- }
-
- _mixerCoderSpec->SetProgressCoderIndex(progressIndex);
-
- RINOK(_mixerCoder->Code(&inStreamPointers.Front(), NULL, 1,
- &outStreamPointers.Front(), NULL, outStreamPointers.Size(), compressProgress));
-
- ConvertBindInfoToFolderItemInfo(_decompressBindInfo, _decompressionMethods,
- folderItem);
-
- packSizes.Add(outStreamSizeCountSpec->GetSize());
-
- for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
- {
- CInOutTempBuffer &inOutTempBuffer = inOutTempBuffers[i - 1];
- inOutTempBuffer.FlushWrite();
- inOutTempBuffer.InitReading();
- inOutTempBuffer.WriteToStream(outStream);
- packSizes.Add(inOutTempBuffer.GetDataSize());
- }
-
- for (i = 0; i < (int)_bindReverseConverter->NumSrcInStreams; i++)
- {
- int binder = _bindInfo.FindBinderForInStream(
- _bindReverseConverter->DestOutToSrcInMap[i]);
- UInt64 streamSize;
- if (binder < 0)
- streamSize = inStreamSizeCountSpec->GetSize();
- else
- streamSize = _mixerCoderSpec->GetWriteProcessedSize(binder);
- folderItem.UnPackSizes.Add(streamSize);
- }
- for (i = numMethods - 1; i >= 0; i--)
- folderItem.Coders[numMethods - 1 - i].Properties = _codersInfo[i].Properties;
- return S_OK;
-}
-
-
-CEncoder::CEncoder(const CCompressionMethodMode &options):
- _bindReverseConverter(0),
- _constructed(false)
-{
- if (options.IsEmpty())
- throw 1;
-
- _options = options;
- _mixerCoderSpec = NULL;
-}
-
-HRESULT CEncoder::EncoderConstr()
-{
- if (_constructed)
- return S_OK;
- if (_options.Methods.IsEmpty())
- {
- // it has only password method;
- if (!_options.PasswordIsDefined)
- throw 1;
- if (!_options.Binds.IsEmpty())
- throw 1;
- NCoderMixer::CCoderStreamsInfo coderStreamsInfo;
- CMethodFull method;
-
- method.NumInStreams = 1;
- method.NumOutStreams = 1;
- coderStreamsInfo.NumInStreams = 1;
- coderStreamsInfo.NumOutStreams = 1;
- method.Id = k_AES;
-
- _options.Methods.Add(method);
- _bindInfo.Coders.Add(coderStreamsInfo);
-
- _bindInfo.InStreams.Add(0);
- _bindInfo.OutStreams.Add(0);
- }
- else
- {
-
- UInt32 numInStreams = 0, numOutStreams = 0;
- int i;
- for (i = 0; i < _options.Methods.Size(); i++)
- {
- const CMethodFull &methodFull = _options.Methods[i];
- NCoderMixer::CCoderStreamsInfo coderStreamsInfo;
- coderStreamsInfo.NumInStreams = methodFull.NumOutStreams;
- coderStreamsInfo.NumOutStreams = methodFull.NumInStreams;
- if (_options.Binds.IsEmpty())
- {
- if (i < _options.Methods.Size() - 1)
- {
- NCoderMixer::CBindPair bindPair;
- bindPair.InIndex = numInStreams + coderStreamsInfo.NumInStreams;
- bindPair.OutIndex = numOutStreams;
- _bindInfo.BindPairs.Add(bindPair);
- }
- else
- _bindInfo.OutStreams.Insert(0, numOutStreams);
- for (UInt32 j = 1; j < coderStreamsInfo.NumOutStreams; j++)
- _bindInfo.OutStreams.Add(numOutStreams + j);
- }
-
- numInStreams += coderStreamsInfo.NumInStreams;
- numOutStreams += coderStreamsInfo.NumOutStreams;
-
- _bindInfo.Coders.Add(coderStreamsInfo);
- }
-
- if (!_options.Binds.IsEmpty())
- {
- for (i = 0; i < _options.Binds.Size(); i++)
- {
- NCoderMixer::CBindPair bindPair;
- const CBind &bind = _options.Binds[i];
- bindPair.InIndex = _bindInfo.GetCoderInStreamIndex(bind.InCoder) + bind.InStream;
- bindPair.OutIndex = _bindInfo.GetCoderOutStreamIndex(bind.OutCoder) + bind.OutStream;
- _bindInfo.BindPairs.Add(bindPair);
- }
- for (i = 0; i < (int)numOutStreams; i++)
- if (_bindInfo.FindBinderForOutStream(i) == -1)
- _bindInfo.OutStreams.Add(i);
- }
-
- for (i = 0; i < (int)numInStreams; i++)
- if (_bindInfo.FindBinderForInStream(i) == -1)
- _bindInfo.InStreams.Add(i);
-
- if (_bindInfo.InStreams.IsEmpty())
- throw 1; // this is error
-
- // Make main stream first in list
- int inIndex = _bindInfo.InStreams[0];
- for (;;)
- {
- UInt32 coderIndex, coderStreamIndex;
- _bindInfo.FindInStream(inIndex, coderIndex, coderStreamIndex);
- UInt32 outIndex = _bindInfo.GetCoderOutStreamIndex(coderIndex);
- int binder = _bindInfo.FindBinderForOutStream(outIndex);
- if (binder >= 0)
- {
- inIndex = _bindInfo.BindPairs[binder].InIndex;
- continue;
- }
- for (i = 0; i < _bindInfo.OutStreams.Size(); i++)
- if (_bindInfo.OutStreams[i] == outIndex)
- {
- _bindInfo.OutStreams.Delete(i);
- _bindInfo.OutStreams.Insert(0, outIndex);
- break;
- }
- break;
- }
-
- if (_options.PasswordIsDefined)
- {
- int numCryptoStreams = _bindInfo.OutStreams.Size();
-
- for (i = 0; i < numCryptoStreams; i++)
- {
- NCoderMixer::CBindPair bindPair;
- bindPair.InIndex = numInStreams + i;
- bindPair.OutIndex = _bindInfo.OutStreams[i];
- _bindInfo.BindPairs.Add(bindPair);
- }
- _bindInfo.OutStreams.Clear();
-
- /*
- if (numCryptoStreams == 0)
- numCryptoStreams = 1;
- */
-
- for (i = 0; i < numCryptoStreams; i++)
- {
- NCoderMixer::CCoderStreamsInfo coderStreamsInfo;
- CMethodFull method;
- method.NumInStreams = 1;
- method.NumOutStreams = 1;
- coderStreamsInfo.NumInStreams = method.NumOutStreams;
- coderStreamsInfo.NumOutStreams = method.NumInStreams;
- method.Id = k_AES;
-
- _options.Methods.Add(method);
- _bindInfo.Coders.Add(coderStreamsInfo);
- _bindInfo.OutStreams.Add(numOutStreams + i);
- }
- }
-
- }
-
- for (int i = _options.Methods.Size() - 1; i >= 0; i--)
- {
- const CMethodFull &methodFull = _options.Methods[i];
- _decompressionMethods.Add(methodFull.Id);
- }
-
- _bindReverseConverter = new NCoderMixer::CBindReverseConverter(_bindInfo);
- _bindReverseConverter->CreateReverseBindInfo(_decompressBindInfo);
- _constructed = true;
- return S_OK;
-}
-
-CEncoder::~CEncoder()
-{
- delete _bindReverseConverter;
-}
-
-}}