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-rwxr-xr-xCPP/7zip/Archive/7z/7zEncode.cpp444
1 files changed, 444 insertions, 0 deletions
diff --git a/CPP/7zip/Archive/7z/7zEncode.cpp b/CPP/7zip/Archive/7z/7zEncode.cpp
new file mode 100755
index 0000000..4b93449
--- /dev/null
+++ b/CPP/7zip/Archive/7z/7zEncode.cpp
@@ -0,0 +1,444 @@
+// 7zEncode.cpp
+
+#include "StdAfx.h"
+
+#include "../../Common/CreateCoder.h"
+#include "../../Common/FilterCoder.h"
+#include "../../Common/LimitedStreams.h"
+#include "../../Common/InOutTempBuffer.h"
+#include "../../Common/ProgressUtils.h"
+#include "../../Common/StreamObjects.h"
+
+#include "7zEncode.h"
+#include "7zSpecStream.h"
+
+static const UInt64 k_Delta = 0x03;
+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;
+
+ #ifndef _7ZIP_ST
+ {
+ 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)
+ {
+ CDynBufSeqOutStream *outStreamSpec = new CDynBufSeqOutStream;
+ CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
+ outStreamSpec->Init();
+ writeCoderProperties->WriteCoderProperties(outStream);
+ outStreamSpec->CopyToBuffer(encodingInfo.Props);
+ }
+ }
+
+ UInt32 progressIndex = mainCoderIndex;
+
+ for (i = 0; i + 1 < _codersInfo.Size(); i++)
+ {
+ UInt64 m = _codersInfo[i].MethodID;
+ if (m == k_Delta || m == k_BCJ || m == k_BCJ2)
+ 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];
+ RINOK(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].Props = _codersInfo[i].Props;
+ 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;
+}
+
+}}