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#include "rar.hpp"
// Igor Pavlov
#include "../../../Common/StreamUtils.h"
ComprDataIO::ComprDataIO()
{
Init();
}
void ComprDataIO::Init()
{
UnpackFromMemory=false;
UnpackToMemory=false;
UnpPackedSize=0;
ShowProgress=true;
TestMode=false;
SkipUnpCRC=false;
PackVolume=false;
UnpVolume=false;
NextVolumeMissing=false;
SrcFile=NULL;
DestFile=NULL;
UnpWrSize=0;
Command=NULL;
Encryption=0;
Decryption=0;
TotalPackRead=0;
CurPackRead=CurPackWrite=CurUnpRead=CurUnpWrite=0;
PackFileCRC=UnpFileCRC=PackedCRC=0xffffffff;
LastPercent=-1;
// Igor Pavlov
/*
SubHead=NULL;
SubHeadPos=NULL;
*/
CurrentCommand=0;
ProcessedArcSize=TotalArcSize=0;
}
int ComprDataIO::UnpRead(byte *Addr,uint Count)
{
int RetCode=0,TotalRead=0;
byte *ReadAddr;
ReadAddr=Addr;
while (Count > 0)
{
Archive *SrcArc=(Archive *)SrcFile;
uint ReadSize=(Count>UnpPackedSize) ? int64to32(UnpPackedSize):Count;
if (UnpackFromMemory)
{
memcpy(Addr,UnpackFromMemoryAddr,UnpackFromMemorySize);
RetCode=UnpackFromMemorySize;
UnpackFromMemorySize=0;
}
else
{
// Igor Pavlov
if (!SrcFile)
// if (!SrcFile->IsOpened())
return(-1);
// Igor Pavlov
UInt32 processedSize;
HRESULT result = ReadStream(SrcFile, ReadAddr, ReadSize, &processedSize);
RetCode = processedSize;
// Igor Pavlov
/*
FileHeader *hd=SubHead!=NULL ? SubHead:&SrcArc->NewLhd;
if (hd->Flags & LHD_SPLIT_AFTER)
PackedCRC=CRC(PackedCRC,ReadAddr,ReadSize);
*/
}
CurUnpRead+=RetCode;
ReadAddr+=RetCode;
TotalRead+=RetCode;
Count-=RetCode;
UnpPackedSize-=RetCode;
if (UnpPackedSize == 0 && UnpVolume)
{
#ifndef NOVOLUME
if (!MergeArchive(*SrcArc,this,true,CurrentCommand))
#endif
{
NextVolumeMissing=true;
return(-1);
}
}
else
break;
}
// Igor Pavlov
/*
Archive *SrcArc=(Archive *)SrcFile;
if (SrcArc!=NULL)
ShowUnpRead(SrcArc->CurBlockPos+CurUnpRead,UnpArcSize);
*/
if (RetCode!=-1)
{
RetCode=TotalRead;
#ifndef NOCRYPT
if (Decryption)
#ifndef SFX_MODULE
if (Decryption<20)
Decrypt.Crypt(Addr,RetCode,(Decryption==15) ? NEW_CRYPT : OLD_DECODE);
else
if (Decryption==20)
for (uint I=0;I<RetCode;I+=16)
Decrypt.DecryptBlock20(&Addr[I]);
else
#endif
{
int CryptSize=(RetCode & 0xf)==0 ? RetCode:((RetCode & ~0xf)+16);
Decrypt.DecryptBlock(Addr,CryptSize);
}
#endif
}
Wait();
return(RetCode);
}
void ComprDataIO::UnpWrite(byte *Addr,uint Count)
{
#ifdef RARDLL
RAROptions *Cmd=((Archive *)SrcFile)->GetRAROptions();
if (Cmd->DllOpMode!=RAR_SKIP)
{
if (Cmd->Callback!=NULL &&
Cmd->Callback(UCM_PROCESSDATA,Cmd->UserData,(LONG)Addr,Count)==-1)
ErrHandler.Exit(USER_BREAK);
if (Cmd->ProcessDataProc!=NULL)
{
#ifdef _WIN_32
_EBX=_ESP;
#endif
int RetCode=Cmd->ProcessDataProc(Addr,Count);
#ifdef _WIN_32
_ESP=_EBX;
#endif
if (RetCode==0)
ErrHandler.Exit(USER_BREAK);
}
}
#endif
UnpWrAddr=Addr;
UnpWrSize=Count;
if (UnpackToMemory)
{
if (Count <= UnpackToMemorySize)
{
memcpy(UnpackToMemoryAddr,Addr,Count);
UnpackToMemoryAddr+=Count;
UnpackToMemorySize-=Count;
}
}
else
if (!TestMode)
{
// Igor Pavlov
// DestFile->Write(Addr,Count);
WriteStream(DestFile, Addr,Count, 0);
}
CurUnpWrite+=Count;
// Igor Pavlov
/*
if (!SkipUnpCRC)
#ifndef SFX_MODULE
if (((Archive *)SrcFile)->OldFormat)
UnpFileCRC=OldCRC((ushort)UnpFileCRC,Addr,Count);
else
#endif
UnpFileCRC=CRC(UnpFileCRC,Addr,Count);
*/
ShowUnpWrite();
Wait();
}
void ComprDataIO::ShowUnpRead(Int64 ArcPos,Int64 ArcSize)
{
if (ShowProgress && SrcFile!=NULL)
{
Archive *SrcArc=(Archive *)SrcFile;
RAROptions *Cmd=SrcArc->GetRAROptions();
if (TotalArcSize!=0)
ArcSize=TotalArcSize;
ArcPos+=ProcessedArcSize;
if (!SrcArc->Volume)
{
int CurPercent=ToPercent(ArcPos,ArcSize);
if (!Cmd->DisablePercentage && CurPercent!=LastPercent)
{
mprintf("\b\b\b\b%3d%%",CurPercent);
LastPercent=CurPercent;
}
}
}
}
void ComprDataIO::ShowUnpWrite()
{
// Igor Pavlov
if (Progress)
{
UInt64 unPackSize = CurUnpWrite;
HRESULT result = Progress->SetRatioInfo(NULL, &unPackSize);
if (result != S_OK)
throw CExitCode(result);
}
}
// Igor Pavlov
/*
void ComprDataIO::SetFiles(File *SrcFile,File *DestFile)
{
if (SrcFile!=NULL)
ComprDataIO::SrcFile=SrcFile;
if (DestFile!=NULL)
ComprDataIO::DestFile=DestFile;
LastPercent=-1;
}
*/
void ComprDataIO::GetUnpackedData(byte **Data,uint *Size)
{
*Data=UnpWrAddr;
*Size=UnpWrSize;
}
// Igor Pavlov
/*
void ComprDataIO::SetEncryption(int Method,char *Password,byte *Salt,bool Encrypt)
{
if (Encrypt)
{
Encryption=*Password ? Method:0;
#ifndef NOCRYPT
Crypt.SetCryptKeys(Password,Salt,Encrypt);
#endif
}
else
{
Decryption=*Password ? Method:0;
#ifndef NOCRYPT
Decrypt.SetCryptKeys(Password,Salt,Encrypt,Method<29);
#endif
}
}
#ifndef SFX_MODULE
void ComprDataIO::SetAV15Encryption()
{
Decryption=15;
Decrypt.SetAV15Encryption();
}
#endif
#ifndef SFX_MODULE
void ComprDataIO::SetCmt13Encryption()
{
Decryption=13;
Decrypt.SetCmt13Encryption();
}
#endif
*/
void ComprDataIO::SetUnpackToMemory(byte *Addr,uint Size)
{
UnpackToMemory=true;
UnpackToMemoryAddr=Addr;
UnpackToMemorySize=Size;
}
// Igor Pavlov
void ComprDataIO::SetFiles(ISequentialInStream *srcFile,
ISequentialOutStream *destFile, ICompressProgressInfo *progress)
{
SrcFile = srcFile;
DestFile = destFile;
Progress = progress;
LastPercent = -1;
}
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