mirror of
https://github.com/Xevion/easy7zip.git
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474 lines
14 KiB
C++
Executable File
474 lines
14 KiB
C++
Executable File
// Encode.cpp
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#include "StdAfx.h"
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#include "7zEncode.h"
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#include "7zSpecStream.h"
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#include "../../IPassword.h"
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#include "../../Common/ProgressUtils.h"
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#include "../../Common/LimitedStreams.h"
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#include "../../Common/InOutTempBuffer.h"
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#include "../../Common/StreamObjects.h"
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#include "../../Common/CreateCoder.h"
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#include "../../Common/FilterCoder.h"
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static UInt64 k_LZMA = 0x030101;
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// static UInt64 k_LZMA2 = 0x030102;
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static UInt64 k_AES = 0x06F10701;
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namespace NArchive {
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namespace N7z {
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static void ConvertBindInfoToFolderItemInfo(const NCoderMixer2::CBindInfo &bindInfo,
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const CRecordVector<CMethodId> decompressionMethods,
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CFolder &folder)
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{
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folder.Coders.Clear();
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// bindInfo.CoderMethodIDs.Clear();
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// folder.OutStreams.Clear();
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folder.PackStreams.Clear();
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folder.BindPairs.Clear();
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int i;
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for (i = 0; i < bindInfo.BindPairs.Size(); i++)
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{
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CBindPair bindPair;
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bindPair.InIndex = bindInfo.BindPairs[i].InIndex;
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bindPair.OutIndex = bindInfo.BindPairs[i].OutIndex;
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folder.BindPairs.Add(bindPair);
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}
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for (i = 0; i < bindInfo.Coders.Size(); i++)
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{
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CCoderInfo coderInfo;
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const NCoderMixer2::CCoderStreamsInfo &coderStreamsInfo = bindInfo.Coders[i];
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coderInfo.NumInStreams = coderStreamsInfo.NumInStreams;
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coderInfo.NumOutStreams = coderStreamsInfo.NumOutStreams;
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coderInfo.MethodID = decompressionMethods[i];
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folder.Coders.Add(coderInfo);
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}
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for (i = 0; i < bindInfo.InStreams.Size(); i++)
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folder.PackStreams.Add(bindInfo.InStreams[i]);
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}
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HRESULT CEncoder::CreateMixerCoder(
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DECL_EXTERNAL_CODECS_LOC_VARS
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const UInt64 *inSizeForReduce)
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{
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_mixerCoderSpec = new NCoderMixer2::CCoderMixer2MT;
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_mixerCoder = _mixerCoderSpec;
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RINOK(_mixerCoderSpec->SetBindInfo(_bindInfo));
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for (int i = 0; i < _options.Methods.Size(); i++)
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{
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const CMethodFull &methodFull = _options.Methods[i];
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_codersInfo.Add(CCoderInfo());
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CCoderInfo &encodingInfo = _codersInfo.Back();
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CMyComPtr<ICompressCoder> encoder;
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CMyComPtr<ICompressCoder2> encoder2;
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RINOK(CreateCoder(
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EXTERNAL_CODECS_LOC_VARS
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methodFull.MethodID, encoder, encoder2, true));
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if (!encoder && !encoder2)
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return E_FAIL;
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bool tryReduce = false;
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UInt32 reducedDictionarySize = 1 << 10;
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if (inSizeForReduce != 0 && (methodFull.MethodID == k_LZMA /* || methodFull.MethodID == k_LZMA2 */))
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{
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for (;;)
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{
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const UInt32 step = (reducedDictionarySize >> 1);
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if (reducedDictionarySize >= *inSizeForReduce)
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{
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tryReduce = true;
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break;
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}
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reducedDictionarySize += step;
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if (reducedDictionarySize >= *inSizeForReduce)
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{
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tryReduce = true;
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break;
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}
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if (reducedDictionarySize >= ((UInt32)11 << 30))
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break;
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reducedDictionarySize += step;
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}
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}
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CMyComPtr<IUnknown> encoderCommon = encoder ? (IUnknown *)encoder : (IUnknown *)encoder2;
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#ifdef COMPRESS_MT
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{
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CMyComPtr<ICompressSetCoderMt> setCoderMt;
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encoderCommon.QueryInterface(IID_ICompressSetCoderMt, &setCoderMt);
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if (setCoderMt)
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{
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RINOK(setCoderMt->SetNumberOfThreads(_options.NumThreads));
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}
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}
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#endif
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if (methodFull.CoderProperties.Size() > 0)
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{
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CRecordVector<PROPID> propIDs;
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int numProperties = methodFull.CoderProperties.Size();
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NWindows::NCOM::CPropVariant *values = new NWindows::NCOM::CPropVariant[numProperties];
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try
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{
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for (int i = 0; i < numProperties; i++)
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{
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const CProperty &property = methodFull.CoderProperties[i];
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propIDs.Add(property.PropID);
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NWindows::NCOM::CPropVariant value = property.Value;
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if (tryReduce && property.PropID == NCoderPropID::kDictionarySize && value.vt == VT_UI4 && reducedDictionarySize < value.ulVal)
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value.ulVal = reducedDictionarySize;
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values[i] = value;
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}
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CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
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RINOK(encoderCommon.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProperties));
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RINOK(setCoderProperties->SetCoderProperties(&propIDs.Front(), values, numProperties));
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}
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catch(...)
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{
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delete []values;
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throw;
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}
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delete []values;
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}
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CMyComPtr<ICompressWriteCoderProperties> writeCoderProperties;
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encoderCommon.QueryInterface(IID_ICompressWriteCoderProperties, &writeCoderProperties);
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if (writeCoderProperties != NULL)
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{
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CSequentialOutStreamImp *outStreamSpec = new CSequentialOutStreamImp;
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CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
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outStreamSpec->Init();
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writeCoderProperties->WriteCoderProperties(outStream);
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size_t size = outStreamSpec->GetSize();
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encodingInfo.Properties.SetCapacity(size);
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memmove(encodingInfo.Properties, outStreamSpec->GetBuffer(), size);
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}
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#ifdef EXTERNAL_CODECS
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CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
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encoderCommon.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
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if (setCompressCodecsInfo)
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{
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RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecsInfo));
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}
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#endif
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CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
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encoderCommon.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword);
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if (cryptoSetPassword)
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{
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CByteBuffer buffer;
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const UInt32 sizeInBytes = _options.Password.Length() * 2;
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buffer.SetCapacity(sizeInBytes);
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for (int i = 0; i < _options.Password.Length(); i++)
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{
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wchar_t c = _options.Password[i];
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((Byte *)buffer)[i * 2] = (Byte)c;
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((Byte *)buffer)[i * 2 + 1] = (Byte)(c >> 8);
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}
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RINOK(cryptoSetPassword->CryptoSetPassword((const Byte *)buffer, sizeInBytes));
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}
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if (encoder)
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_mixerCoderSpec->AddCoder(encoder);
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else
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_mixerCoderSpec->AddCoder2(encoder2);
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}
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return S_OK;
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}
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HRESULT CEncoder::Encode(
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DECL_EXTERNAL_CODECS_LOC_VARS
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ISequentialInStream *inStream,
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const UInt64 *inStreamSize, const UInt64 *inSizeForReduce,
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CFolder &folderItem,
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ISequentialOutStream *outStream,
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CRecordVector<UInt64> &packSizes,
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ICompressProgressInfo *compressProgress)
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{
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RINOK(EncoderConstr());
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if (_mixerCoderSpec == NULL)
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{
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RINOK(CreateMixerCoder(EXTERNAL_CODECS_LOC_VARS inSizeForReduce));
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}
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_mixerCoderSpec->ReInit();
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// _mixerCoderSpec->SetCoderInfo(0, NULL, NULL, progress);
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CObjectVector<CInOutTempBuffer> inOutTempBuffers;
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CObjectVector<CSequentialOutTempBufferImp *> tempBufferSpecs;
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CObjectVector<CMyComPtr<ISequentialOutStream> > tempBuffers;
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int numMethods = _bindInfo.Coders.Size();
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int i;
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for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
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{
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inOutTempBuffers.Add(CInOutTempBuffer());
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inOutTempBuffers.Back().Create();
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inOutTempBuffers.Back().InitWriting();
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}
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for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
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{
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CSequentialOutTempBufferImp *tempBufferSpec =
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new CSequentialOutTempBufferImp;
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CMyComPtr<ISequentialOutStream> tempBuffer = tempBufferSpec;
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tempBufferSpec->Init(&inOutTempBuffers[i - 1]);
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tempBuffers.Add(tempBuffer);
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tempBufferSpecs.Add(tempBufferSpec);
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}
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for (i = 0; i < numMethods; i++)
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_mixerCoderSpec->SetCoderInfo(i, NULL, NULL);
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if (_bindInfo.InStreams.IsEmpty())
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return E_FAIL;
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UInt32 mainCoderIndex, mainStreamIndex;
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_bindInfo.FindInStream(_bindInfo.InStreams[0], mainCoderIndex, mainStreamIndex);
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_mixerCoderSpec->SetProgressCoderIndex(mainCoderIndex);
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if (inStreamSize != NULL)
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{
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CRecordVector<const UInt64 *> sizePointers;
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for (UInt32 i = 0; i < _bindInfo.Coders[mainCoderIndex].NumInStreams; i++)
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if (i == mainStreamIndex)
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sizePointers.Add(inStreamSize);
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else
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sizePointers.Add(NULL);
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_mixerCoderSpec->SetCoderInfo(mainCoderIndex, &sizePointers.Front(), NULL);
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}
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// UInt64 outStreamStartPos;
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// RINOK(stream->Seek(0, STREAM_SEEK_CUR, &outStreamStartPos));
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CSequentialInStreamSizeCount2 *inStreamSizeCountSpec =
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new CSequentialInStreamSizeCount2;
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CMyComPtr<ISequentialInStream> inStreamSizeCount = inStreamSizeCountSpec;
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CSequentialOutStreamSizeCount *outStreamSizeCountSpec =
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new CSequentialOutStreamSizeCount;
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CMyComPtr<ISequentialOutStream> outStreamSizeCount = outStreamSizeCountSpec;
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inStreamSizeCountSpec->Init(inStream);
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outStreamSizeCountSpec->SetStream(outStream);
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outStreamSizeCountSpec->Init();
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CRecordVector<ISequentialInStream *> inStreamPointers;
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CRecordVector<ISequentialOutStream *> outStreamPointers;
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inStreamPointers.Add(inStreamSizeCount);
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outStreamPointers.Add(outStreamSizeCount);
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for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
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outStreamPointers.Add(tempBuffers[i - 1]);
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RINOK(_mixerCoder->Code(&inStreamPointers.Front(), NULL, 1,
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&outStreamPointers.Front(), NULL, outStreamPointers.Size(), compressProgress));
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ConvertBindInfoToFolderItemInfo(_decompressBindInfo, _decompressionMethods,
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folderItem);
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packSizes.Add(outStreamSizeCountSpec->GetSize());
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for (i = 1; i < _bindInfo.OutStreams.Size(); i++)
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{
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CInOutTempBuffer &inOutTempBuffer = inOutTempBuffers[i - 1];
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inOutTempBuffer.FlushWrite();
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inOutTempBuffer.InitReading();
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inOutTempBuffer.WriteToStream(outStream);
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packSizes.Add(inOutTempBuffer.GetDataSize());
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}
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for (i = 0; i < (int)_bindReverseConverter->NumSrcInStreams; i++)
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{
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int binder = _bindInfo.FindBinderForInStream(
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_bindReverseConverter->DestOutToSrcInMap[i]);
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UInt64 streamSize;
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if (binder < 0)
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streamSize = inStreamSizeCountSpec->GetSize();
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else
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streamSize = _mixerCoderSpec->GetWriteProcessedSize(binder);
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folderItem.UnPackSizes.Add(streamSize);
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}
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for (i = numMethods - 1; i >= 0; i--)
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folderItem.Coders[numMethods - 1 - i].Properties = _codersInfo[i].Properties;
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return S_OK;
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}
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CEncoder::CEncoder(const CCompressionMethodMode &options):
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_bindReverseConverter(0),
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_constructed(false)
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{
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if (options.IsEmpty())
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throw 1;
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_options = options;
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_mixerCoderSpec = NULL;
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}
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HRESULT CEncoder::EncoderConstr()
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{
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if (_constructed)
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return S_OK;
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if (_options.Methods.IsEmpty())
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{
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// it has only password method;
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if (!_options.PasswordIsDefined)
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throw 1;
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if (!_options.Binds.IsEmpty())
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throw 1;
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NCoderMixer2::CCoderStreamsInfo coderStreamsInfo;
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CMethodFull method;
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method.NumInStreams = 1;
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method.NumOutStreams = 1;
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coderStreamsInfo.NumInStreams = 1;
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coderStreamsInfo.NumOutStreams = 1;
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method.MethodID = k_AES;
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_options.Methods.Add(method);
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_bindInfo.Coders.Add(coderStreamsInfo);
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_bindInfo.InStreams.Add(0);
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_bindInfo.OutStreams.Add(0);
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}
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else
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{
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UInt32 numInStreams = 0, numOutStreams = 0;
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int i;
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for (i = 0; i < _options.Methods.Size(); i++)
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{
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const CMethodFull &methodFull = _options.Methods[i];
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NCoderMixer2::CCoderStreamsInfo coderStreamsInfo;
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coderStreamsInfo.NumInStreams = methodFull.NumOutStreams;
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coderStreamsInfo.NumOutStreams = methodFull.NumInStreams;
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if (_options.Binds.IsEmpty())
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{
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if (i < _options.Methods.Size() - 1)
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{
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NCoderMixer2::CBindPair bindPair;
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bindPair.InIndex = numInStreams + coderStreamsInfo.NumInStreams;
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bindPair.OutIndex = numOutStreams;
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_bindInfo.BindPairs.Add(bindPair);
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}
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else
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_bindInfo.OutStreams.Insert(0, numOutStreams);
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for (UInt32 j = 1; j < coderStreamsInfo.NumOutStreams; j++)
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_bindInfo.OutStreams.Add(numOutStreams + j);
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}
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numInStreams += coderStreamsInfo.NumInStreams;
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numOutStreams += coderStreamsInfo.NumOutStreams;
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_bindInfo.Coders.Add(coderStreamsInfo);
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}
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if (!_options.Binds.IsEmpty())
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{
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for (i = 0; i < _options.Binds.Size(); i++)
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{
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NCoderMixer2::CBindPair bindPair;
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const CBind &bind = _options.Binds[i];
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bindPair.InIndex = _bindInfo.GetCoderInStreamIndex(bind.InCoder) + bind.InStream;
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bindPair.OutIndex = _bindInfo.GetCoderOutStreamIndex(bind.OutCoder) + bind.OutStream;
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_bindInfo.BindPairs.Add(bindPair);
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}
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for (i = 0; i < (int)numOutStreams; i++)
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if (_bindInfo.FindBinderForOutStream(i) == -1)
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_bindInfo.OutStreams.Add(i);
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}
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for (i = 0; i < (int)numInStreams; i++)
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if (_bindInfo.FindBinderForInStream(i) == -1)
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_bindInfo.InStreams.Add(i);
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if (_bindInfo.InStreams.IsEmpty())
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throw 1; // this is error
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// Make main stream first in list
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int inIndex = _bindInfo.InStreams[0];
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for (;;)
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{
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UInt32 coderIndex, coderStreamIndex;
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_bindInfo.FindInStream(inIndex, coderIndex, coderStreamIndex);
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UInt32 outIndex = _bindInfo.GetCoderOutStreamIndex(coderIndex);
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int binder = _bindInfo.FindBinderForOutStream(outIndex);
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if (binder >= 0)
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{
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inIndex = _bindInfo.BindPairs[binder].InIndex;
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continue;
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}
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for (i = 0; i < _bindInfo.OutStreams.Size(); i++)
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if (_bindInfo.OutStreams[i] == outIndex)
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{
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_bindInfo.OutStreams.Delete(i);
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_bindInfo.OutStreams.Insert(0, outIndex);
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break;
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}
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break;
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}
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if (_options.PasswordIsDefined)
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{
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int numCryptoStreams = _bindInfo.OutStreams.Size();
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for (i = 0; i < numCryptoStreams; i++)
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{
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NCoderMixer2::CBindPair bindPair;
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bindPair.InIndex = numInStreams + i;
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bindPair.OutIndex = _bindInfo.OutStreams[i];
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_bindInfo.BindPairs.Add(bindPair);
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}
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_bindInfo.OutStreams.Clear();
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/*
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if (numCryptoStreams == 0)
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numCryptoStreams = 1;
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*/
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for (i = 0; i < numCryptoStreams; i++)
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{
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NCoderMixer2::CCoderStreamsInfo coderStreamsInfo;
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CMethodFull method;
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method.NumInStreams = 1;
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method.NumOutStreams = 1;
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coderStreamsInfo.NumInStreams = method.NumOutStreams;
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coderStreamsInfo.NumOutStreams = method.NumInStreams;
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method.MethodID = k_AES;
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_options.Methods.Add(method);
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_bindInfo.Coders.Add(coderStreamsInfo);
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_bindInfo.OutStreams.Add(numOutStreams + i);
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}
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}
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}
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for (int i = _options.Methods.Size() - 1; i >= 0; i--)
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{
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const CMethodFull &methodFull = _options.Methods[i];
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_decompressionMethods.Add(methodFull.MethodID);
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}
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_bindReverseConverter = new NCoderMixer2::CBindReverseConverter(_bindInfo);
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_bindReverseConverter->CreateReverseBindInfo(_decompressBindInfo);
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_constructed = true;
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return S_OK;
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}
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CEncoder::~CEncoder()
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{
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delete _bindReverseConverter;
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}
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}}
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