C++ Archive::Close方法代码示例

void Batch::Save(std::string filename,std::vector< SmartPointer<Batch> > batches)
{
	Clock t1;
	printf("Saving file %s\n",filename.c_str());
	std::set<std::string> light_textures;
	Archive ar;
	ar.Open(filename,true);
	ar.Push("batches");
	int num=(int)batches.size();
	ar.WriteInt("num",num);
	for (int i=0;i<num;i++) 
	{
		ar.Push("batch");
		ar.WriteSmartPointer(batches[i]);
		ar.Pop("batch");

		//save the light maps
		if (batches[i]->texture1 && light_textures.find(batches[i]->texture1->filename)==light_textures.end())
		{
			light_textures.insert(batches[i]->texture1->filename);
			batches[i]->texture1->save();
		}
	}
	ar.Pop("batches");
	ar.Close();
	//printf("done in %d msec\n",t1.msec());
}

std::vector< SmartPointer<Batch> > Batch::Open(std::string filename)
{
	Clock t1;
	printf("Opening file %s\n",filename.c_str());
	Archive ar;
	ar.Open(filename,false);
	ar.Push("batches");
	int num=ar.ReadInt("num");
	std::vector< SmartPointer<Batch> > batches(num);
	for (int i=0;i<num;i++) 
	{
		ar.Push("batch");
		batches[i]=ar.ReadSmartPointer<Batch>();
		ar.Pop("batch");
	}
	ar.Pop("batches");
	ar.Close();
	//printf("done in %d msec\n",t1.msec());
	return batches;
}

/*
* Inspired from llink (by lundman) which in turn was loosely based on
* patches from XBMC (by elupus).
*/
int ComprDataIO::UnpReadSeek(char *file, uint64_t offset)
{
	uint64_t OldPos;
	uint64_t HeadSize;
	Archive *SrcArc = (Archive *)SrcFile;

	if (!SrcFile->IsOpened()) {
		return(-1);
	}

	HeadSize = SrcArc->Tell() - CurUnpRead;

#ifdef DEBUG
	printf("\n%s: Seek begin, HeadSize=%d\n", __func__, HeadSize);
	printf("%s: offset=%llu, ", __func__, offset);
	printf("readpos=%llu, ", ReadPos);
	printf("diff=%llu, ", offset - ReadPos);
	printf("tell=%llu, ", SrcArc->Tell());
	printf("CurUnpRead=%llu\n", CurUnpRead);
#endif

	/* Dumb backward seek, reset to beginning and forward seek */
	if (offset < ReadPos) {
#ifdef DEBUG
		printf("Seeking backwards\n");
#endif
		SrcArc->Close();
		SrcArc->Open(SrcArc->FirstVolumeName, SrcArc->FirstVolumeNameW);

		if (SrcArc->GetHeaderType() != FILE_HEAD)
			SrcArc->SearchBlock(FILE_HEAD);
		do {
#ifdef DEBUG
			printf("File: %s, ", SrcArc->NewLhd.FileName);
			printf("packsize=%llu, ", SrcArc->NewLhd.FullPackSize);
			printf("method=%x\n", SrcArc->NewLhd.Method);
#endif
			/* XXX: fix unicode */
			if (_stricmp(SrcArc->NewLhd.FileName, file) == 0){
				SVP_LogMsg3(" ComprDataIO::UnpReadSeek match %s %s | %s ", file , SrcArc->FileName,  CStringA(SrcArc->FileNameW));
				//strcpy(SrcArc->FileName ,  CStringA(SrcArc->FileNameW));
				break;
			}
			//if (strcasecmp(SrcArc->NewLhd.FileName, file) == 0)
			//	break;
		} while (SrcArc->SearchBlock(FILE_HEAD));

		UnpVolume = true;
		SrcArc->Seek(SrcArc->CurBlockPos, SEEK_CUR);
		SrcArc->ReadHeader();

		CurUnpRead = ReadPos = 0;
	}

#ifdef DEBUG
	printf("%s: offset=%llu, ", __func__, offset);
	printf("readpos=%llu, ", ReadPos);
	printf("diff=%llu, ", offset - ReadPos);
	printf("tell=%llu, ", SrcArc->Tell());
	printf("CurUnpRead=%llu\n", CurUnpRead);
#endif

	/* Forward seek to correct volume */
	if (offset > ReadPos + SrcArc->NewLhd.FullPackSize - CurUnpRead) {
#ifdef DEBUG
		printf("%s: Seeking forward, ", __func__);
		printf("FullPackSize=%llu\n", SrcArc->NewLhd.FullPackSize);
#endif
		OldPos = ReadPos;
		ReadPos -= CurUnpRead;

		for (;;) {
			ReadPos += SrcArc->NewLhd.FullPackSize;

#ifdef DEBUG
			printf("%s: New readpos=%llu, ", __func__, ReadPos);
			printf("offset=%llu\n", offset);
#endif
			if (ReadPos >= offset) {	
				ReadPos -= SrcArc->NewLhd.FullPackSize;
#ifdef DEBUG
				printf("%s: offset reached\n", __func__);
#endif
				break;
			}
			if (!MergeArchive(*SrcArc, this, true, CurrentCommand)) {
				NextVolumeMissing = true;
#ifdef DEBUG
				printf("%s: volume missing\n", __func__);
#endif
				return (-1);
			}
		}
	}
	else {
		ReadPos -= CurUnpRead;
//.........这里部分代码省略.........

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  int HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
  bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
                   (hd->Flags & LHD_SPLIT_AFTER)!=0;

  if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
      hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
  {
    Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
  }

  Int64 PosBeforeClose=Arc.Tell();

  if (DataIO!=NULL)
    DataIO->ProcessedArcSize+=Arc.FileLength();

  Arc.Close();

  char NextName[NM];
  wchar NextNameW[NM];
  strcpy(NextName,Arc.FileName);
  strcpyw(NextNameW,Arc.FileNameW);
  NextVolumeName(NextName,NextNameW,ASIZE(NextName),(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

  while (!Arc.Open(NextName,NextNameW))
  {
    // We need to open a new volume which size was not calculated
    // in total size before, so we cannot calculate the total progress
    // anymore. Let's reset the total size to zero and stop 
    // the total progress.
    if (DataIO!=NULL)
      DataIO->TotalArcSize=0;

    if (!OldSchemeTested)
    {
      // Checking for new style volumes renamed by user to old style
      // name format. Some users did it for unknown reason.
      char AltNextName[NM];
      wchar AltNextNameW[NM];
      strcpy(AltNextName,Arc.FileName);
      strcpyw(AltNextNameW,Arc.FileNameW);
      NextVolumeName(AltNextName,AltNextNameW,ASIZE(AltNextName),true);
      OldSchemeTested=true;
      if (Arc.Open(AltNextName,AltNextNameW))
      {
        strcpy(NextName,AltNextName);
        strcpyw(NextNameW,AltNextNameW);
        break;
      }
    }
#ifdef RARDLL
    if (Cmd->Callback==NULL && Cmd->ChangeVolProc==NULL ||
        Cmd->Callback!=NULL && Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LPARAM)NextName,RAR_VOL_ASK)==-1)
    {
      Cmd->DllError=ERAR_EOPEN;
      FailedOpen=true;
      break;
    }
    if (Cmd->ChangeVolProc!=NULL)
    {
#if defined(_WIN_32) && !defined(_MSC_VER) && !defined(__MINGW32__)
      _EBX=_ESP;
#endif
      int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_ASK);
#if defined(_WIN_32) && !defined(_MSC_VER) && !defined(__MINGW32__)
      _ESP=_EBX;
#endif
      if (RetCode==0)
      {
        Cmd->DllError=ERAR_EOPEN;
        FailedOpen=true;
        break;
      }
    }
#else // RARDLL

#if !defined(SFX_MODULE) && !defined(_WIN_CE)
    if (!RecoveryDone)
    {
      RecVolumes RecVol;
      RecVol.Restore(Cmd,Arc.FileName,Arc.FileNameW,true);
      RecoveryDone=true;
      continue;
    }
#endif

#ifndef GUI
    if (!Cmd->VolumePause && !IsRemovable(NextName))
    {
      FailedOpen=true;
      break;
//.........这里部分代码省略.........

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  int HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
  bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
                   (hd->Flags & LHD_SPLIT_AFTER)!=0;

  if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
      hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
  {
    Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
  }

  int64 PosBeforeClose=Arc.Tell();

  if (DataIO!=NULL)
    DataIO->ProcessedArcSize+=Arc.FileLength();

  Arc.Close();

  char NextName[NM];
  wchar NextNameW[NM];
  strcpy(NextName,Arc.FileName);
  wcscpy(NextNameW,Arc.FileNameW);
  NextVolumeName(NextName,NextNameW,ASIZE(NextName),(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

#if !defined(GUI) && !defined(SILENT)
  // In -vp mode we force the pause before next volume even if it is present
  // and even if we are on the hard disk. It is important when user does not
  // want to process partially downloaded volumes preliminary.
  if (Cmd->VolumePause && !AskNextVol(NextName,NextNameW))
    FailedOpen=true;
#endif

  if (!FailedOpen)
    while (!Arc.Open(NextName,NextNameW,0))
    {
      // We need to open a new volume which size was not calculated
      // in total size before, so we cannot calculate the total progress
      // anymore. Let's reset the total size to zero and stop 
      // the total progress.
      if (DataIO!=NULL)
        DataIO->TotalArcSize=0;

      if (!OldSchemeTested)
      {
        // Checking for new style volumes renamed by user to old style
        // name format. Some users did it for unknown reason.
        char AltNextName[NM];
        wchar AltNextNameW[NM];
        strcpy(AltNextName,Arc.FileName);
        wcscpy(AltNextNameW,Arc.FileNameW);
        NextVolumeName(AltNextName,AltNextNameW,ASIZE(AltNextName),true);
        OldSchemeTested=true;
        if (Arc.Open(AltNextName,AltNextNameW,0))
        {
          strcpy(NextName,AltNextName);
          wcscpy(NextNameW,AltNextNameW);
          break;
        }
      }
#ifdef RARDLL
      bool DllVolChanged=false;

      if (Cmd->Callback!=NULL)
      {
        GetWideName(NextName,NextNameW,NextNameW,ASIZE(NextNameW));
        char CurName[ASIZE(NextName)];
        strcpy(CurName,NextName);
        wchar CurNameW[ASIZE(NextNameW)];
        wcscpy(CurNameW,NextNameW);
        if (Cmd->Callback(UCM_CHANGEVOLUMEW,Cmd->UserData,(LPARAM)NextNameW,RAR_VOL_ASK)!=-1 &&
            wcscmp(CurNameW,NextNameW)!=0)
        {
          *NextName=0;
          DllVolChanged=true;
        }
        else
          if (Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LPARAM)NextName,RAR_VOL_ASK)!=-1 &&
              strcmp(CurName,NextName)!=0)
          {
            *NextNameW=0;
            DllVolChanged=true;
          }
      }
      if (!DllVolChanged && Cmd->ChangeVolProc!=NULL)
      {
        // Here we preserve ESP value. It is necessary for those developers,
        // who still define ChangeVolProc callback as "C" type function,
        // even though in year 2001 we announced in unrar.dll whatsnew.txt
        // that it will be PASCAL type (for compatibility with Visual Basic).
#if defined(_MSC_VER)
#ifndef _WIN_64
//.........这里部分代码省略.........

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  int HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
  bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
                   (hd->Flags & LHD_SPLIT_AFTER)!=0;

  if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
      hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
  {
    Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
  }

  Int64 PosBeforeClose=Arc.Tell();
  Arc.Close();

  char NextName[NM];
  strcpy(NextName,Arc.FileName);
  NextVolumeName(NextName,(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

  while (!Arc.Open(NextName))
  {
    if (!OldSchemeTested)
    {
      char AltNextName[NM];
      strcpy(AltNextName,Arc.FileName);
      NextVolumeName(AltNextName,true);
      OldSchemeTested=true;
      if (Arc.Open(AltNextName))
      {
        strcpy(NextName,AltNextName);
        break;
      }
    }
#ifdef RARDLL
    if (Cmd->Callback==NULL && Cmd->ChangeVolProc==NULL ||
        Cmd->Callback!=NULL && Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LONG)NextName,RAR_VOL_ASK)==-1)
    {
      Cmd->DllError=ERAR_EOPEN;
      FailedOpen=true;
      break;
    }
    if (Cmd->ChangeVolProc!=NULL)
    {
//#ifdef _WIN_32
//      _EBX=_ESP;
//#endif
      int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_ASK);
//#ifdef _WIN_32
//      _ESP=_EBX;
//#endif
      if (RetCode==0)
      {
        Cmd->DllError=ERAR_EOPEN;
        FailedOpen=true;
        break;
      }
    }
#else

#if !defined(SFX_MODULE) //&& !defined(_WIN_CE)
    if (!RecoveryDone)
    {
      RecVolumes RecVol;
      RecVol.Restore(Cmd,Arc.FileName,Arc.FileNameW,true);
      RecoveryDone=true;
      continue;
    }
#endif

#ifndef GUI
    if (!Cmd->VolumePause && !IsRemovable(NextName))
    {
      Log(Arc.FileName,St(MAbsNextVol),NextName);
      FailedOpen=true;
      break;
    }
#endif
#ifndef SILENT
    if (Cmd->AllYes || !AskNextVol(NextName))
#endif
    {
      FailedOpen=true;
      break;
    }
#endif
  }
  if (FailedOpen)
  {
    Arc.Open(Arc.FileName,Arc.FileNameW);
    Arc.Seek(PosBeforeClose,SEEK_SET);
    return(false);
  }
//.........这里部分代码省略.........

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,wchar Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  HEADER_TYPE HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==HEAD_SERVICE ? &Arc.SubHead:&Arc.FileHead;
  bool SplitHeader=(HeaderType==HEAD_FILE || HeaderType==HEAD_SERVICE) &&
                   hd->SplitAfter;

  if (DataIO!=NULL && SplitHeader)
  {
    bool PackedHashPresent=Arc.Format==RARFMT50 || 
         hd->UnpVer>=20 && hd->FileHash.CRC32!=0xffffffff;
    if (PackedHashPresent && 
        !DataIO->PackedDataHash.Cmp(&hd->FileHash,hd->UseHashKey ? hd->HashKey:NULL))
      uiMsg(UIERROR_CHECKSUMPACKED, Arc.FileName, hd->FileName);
  }

  int64 PosBeforeClose=Arc.Tell();

  if (DataIO!=NULL)
    DataIO->ProcessedArcSize+=Arc.FileLength();


  Arc.Close();

  wchar NextName[NM];
  wcscpy(NextName,Arc.FileName);
  NextVolumeName(NextName,ASIZE(NextName),!Arc.NewNumbering);

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

#if !defined(GUI) && !defined(SILENT)
  // In -vp mode we force the pause before next volume even if it is present
  // and even if we are on the hard disk. It is important when user does not
  // want to process partially downloaded volumes preliminary.
  if (Cmd->VolumePause && !uiAskNextVolume(NextName,ASIZE(NextName)))
    FailedOpen=true;
#endif

  uint OpenMode = Cmd->OpenShared ? FMF_OPENSHARED : 0;

  if (!FailedOpen)
    while (!Arc.Open(NextName,OpenMode))
    {
      // We need to open a new volume which size was not calculated
      // in total size before, so we cannot calculate the total progress
      // anymore. Let's reset the total size to zero and stop 
      // the total progress.
      if (DataIO!=NULL)
        DataIO->TotalArcSize=0;

      if (!OldSchemeTested)
      {
        // Checking for new style volumes renamed by user to old style
        // name format. Some users did it for unknown reason.
        wchar AltNextName[NM];
        wcscpy(AltNextName,Arc.FileName);
        NextVolumeName(AltNextName,ASIZE(AltNextName),true);
        OldSchemeTested=true;
        if (Arc.Open(AltNextName,OpenMode))
        {
          wcscpy(NextName,AltNextName);
          break;
        }
      }
#ifdef RARDLL
      if (!DllVolChange(Cmd,NextName,ASIZE(NextName)))
      {
        FailedOpen=true;
        break;
      }
#else // !RARDLL

#ifndef SFX_MODULE
      if (!RecoveryDone)
      {
        RecVolumesRestore(Cmd,Arc.FileName,true);
        RecoveryDone=true;
        continue;
      }
#endif

#ifndef GUI
      if (!Cmd->VolumePause && !IsRemovable(NextName))
      {
        FailedOpen=true;
        break;
      }
#endif
#ifndef SILENT
      if (Cmd->AllYes || !uiAskNextVolume(NextName,ASIZE(NextName)))
#endif
      {
        FailedOpen=true;
        break;
      }
//.........这里部分代码省略.........

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  int HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
  bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
                   (hd->Flags & LHD_SPLIT_AFTER)!=0;

  if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
      hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
  {
    Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
  }

  Int64 PosBeforeClose=Arc.Tell();
  Arc.Close();

  char NextName[NM];
  strcpy(NextName,Arc.FileName);
  NextVolumeName(NextName,(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

  while (!Arc.Open(NextName))
  {
    if (!OldSchemeTested)
    {
      char AltNextName[NM];
      strcpy(AltNextName,Arc.FileName);
      NextVolumeName(AltNextName,true);
      OldSchemeTested=true;
      if (Arc.Open(AltNextName))
      {
        strcpy(NextName,AltNextName);
        break;
      }
    }
#ifdef RARDLL
    if (Cmd->Callback==NULL && Cmd->ChangeVolProc==NULL ||
        Cmd->Callback!=NULL && Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LONG)NextName,RAR_VOL_ASK)==-1)
    {
      Cmd->DllError=ERAR_EOPEN;
      FailedOpen=true;
      break;
    }
    if (Cmd->ChangeVolProc!=NULL)
    {
#ifdef _WIN_32
      __asm
      {
        mov EBX, ESP
      }
#endif
      int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_ASK);
#ifdef _WIN_32
      __asm
      {
        mov ESP, EBX
      }
#endif
      if (RetCode==0)
      {
        Cmd->DllError=ERAR_EOPEN;
        FailedOpen=true;
        break;
      }
    }
#else

#if !defined(SFX_MODULE) && !defined(_WIN_CE)
    if (!RecoveryDone)
    {
      RecVolumes RecVol;
      RecVol.Restore(Cmd,Arc.FileName,Arc.FileNameW,true);
      RecoveryDone=true;
      continue;
    }
#endif

#ifndef GUI
    if (!Cmd->VolumePause && !IsRemovable(NextName))
    {
      Log(Arc.FileName,St(MAbsNextVol),NextName);
      FailedOpen=true;
      break;
    }
#endif
#ifndef SILENT
    if (Cmd->AllYes || !AskNextVol(NextName))
#endif
    {
      FailedOpen=true;
      break;
    }
#endif
  }

bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
  RAROptions *Cmd=Arc.GetRAROptions();

  int HeaderType=Arc.GetHeaderType();
  FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
  bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
                   (hd->Flags & LHD_SPLIT_AFTER)!=0;

  if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
      hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
  {
    Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
  }

  Int64 PosBeforeClose=Arc.Tell();
  Arc.Close();

  char NextName[NM];
  wchar NextNameW[NM];
  *NextNameW=0;
  strcpy(NextName,Arc.FileName);
  NextVolumeName(NextName,(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);

  if (*Arc.FileNameW!=0)
  {
    // Copy incremented trailing low ASCII volume name part to Unicode name.
    // It is simpler than also implementing Unicode version of NextVolumeName.

    strcpyw(NextNameW,Arc.FileNameW);
    char *NumPtr=GetVolNumPart(NextName);

    // moving to first digit in volume number
    while (NumPtr>NextName && isdigit(*NumPtr) && isdigit(*(NumPtr-1)))
      NumPtr--;

    // also copy the first character before volume number,
    // because it can be changed when going from .r99 to .s00
    if (NumPtr>NextName)
      NumPtr--;

    int CharsToCopy=strlen(NextName)-(NumPtr-NextName);
    int DestPos=strlenw(NextNameW)-CharsToCopy;
    if (DestPos>0)
    {
      CharToWide(NumPtr,NextNameW+DestPos,ASIZE(NextNameW)-DestPos-1);
      NextNameW[ASIZE(NextNameW)-1]=0;
    }
  }

#if !defined(SFX_MODULE) && !defined(RARDLL)
  bool RecoveryDone=false;
#endif
  bool FailedOpen=false,OldSchemeTested=false;

  while (!Arc.Open(NextName,NextNameW))
  {
    if (!OldSchemeTested)
    {
      char AltNextName[NM];
      strcpy(AltNextName,Arc.FileName);
      NextVolumeName(AltNextName,true);
      OldSchemeTested=true;
      if (Arc.Open(AltNextName))
      {
        strcpy(NextName,AltNextName);
        *NextNameW=0;
        break;
      }
    }
#ifdef RARDLL
    if (Cmd->Callback==NULL && Cmd->ChangeVolProc==NULL ||
        Cmd->Callback!=NULL && Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LONG)NextName,RAR_VOL_ASK)==-1)
    {
      Cmd->DllError=ERAR_EOPEN;
      FailedOpen=true;
      break;
    }
    if (Cmd->ChangeVolProc!=NULL)
    {
#if defined(_WIN_32) && !defined(_MSC_VER) && !defined(__MINGW32__)
      _EBX=_ESP;
#endif
      int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_ASK);
#if defined(_WIN_32) && !defined(_MSC_VER) && !defined(__MINGW32__)
      _ESP=_EBX;
#endif
      if (RetCode==0)
      {
        Cmd->DllError=ERAR_EOPEN;
        FailedOpen=true;
        break;
      }
    }
#else // RARDLL

#if !defined(SFX_MODULE) && !defined(_WIN_CE)
    if (!RecoveryDone)
    {
      RecVolumes RecVol;
//.........这里部分代码省略.........