C++ (Cpp) CmtData Examples

Example #1

File: dll.cpp Project: GDXN/Par-N-Rar

HANDLE PASCAL RAROpenArchiveEx(vector<string> *pvRarFiles, string sParfileName, struct RAROpenArchiveDataEx *r)
{
	try
	{
		r->OpenResult=0;
		DataSet *Data=new DataSet(pvRarFiles, sParfileName);
		Data->OpenMode=r->OpenMode;
		Data->Cmd.FileArgs->AddString("*");

		char an[NM];
		if (r->ArcName==NULL && r->ArcNameW!=NULL)
		{
			WideToChar(r->ArcNameW,an,NM);
			r->ArcName=an;
		}

		Data->Cmd.AddArcName(r->ArcName,r->ArcNameW);
		Data->Cmd.Overwrite=OVERWRITE_ALL;
		Data->Cmd.VersionControl=1;
		if (!Data->Arc.Open(r->ArcName,r->ArcNameW))
		{
			delete Data;
			r->OpenResult=ERAR_EOPEN;
			return(NULL);
		}
		if (!Data->Arc.IsArchive(false))
		{
			delete Data;
			r->OpenResult=ERAR_BAD_ARCHIVE;
			return(NULL);
		}
		r->Flags=Data->Arc.NewMhd.Flags;
		Array<byte> CmtData(sParfileName);
		//gmilow - ignore comments
		r->CmtState=r->CmtSize=0;
		if (Data->Arc.Signed)
			r->Flags|=0x20;
		Data->Extract.ExtractArchiveInit(&Data->Cmd,Data->Arc);
		return((HANDLE)Data);
	}
	catch (int ErrCode)
	{
		r->OpenResult=RarErrorToDll(ErrCode);
		return(NULL);
	}
}

Example #2

File: dll.cpp Project: 1ldk/mpc-hc

HANDLE PASCAL RAROpenArchiveEx(struct RAROpenArchiveDataEx *r)
{
  DataSet *Data=NULL;
  try
  {
    r->OpenResult=0;
    Data=new DataSet;
    Data->Cmd.DllError=0;
    Data->OpenMode=r->OpenMode;
    Data->Cmd.FileArgs.AddString(L"*");

    char AnsiArcName[NM];
    *AnsiArcName=0;
    if (r->ArcName!=NULL)
    {
      strncpyz(AnsiArcName,r->ArcName,ASIZE(AnsiArcName));
#ifdef _WIN_ALL
      if (!AreFileApisANSI())
      {
        OemToCharBuffA(r->ArcName,AnsiArcName,ASIZE(AnsiArcName));
        AnsiArcName[ASIZE(AnsiArcName)-1]=0;
      }
#endif
    }

    wchar ArcName[NM];
    GetWideName(AnsiArcName,r->ArcNameW,ArcName,ASIZE(ArcName));

    Data->Cmd.AddArcName(ArcName);
    Data->Cmd.Overwrite=OVERWRITE_ALL;
    Data->Cmd.VersionControl=1;

    Data->Cmd.Callback=r->Callback;
    Data->Cmd.UserData=r->UserData;

    // Open shared mode is added by request of dll users, who need to
    // browse and unpack archives while downloading.
    Data->Cmd.OpenShared = true;
    if (!Data->Arc.Open(ArcName,FMF_OPENSHARED))
    {
      r->OpenResult=ERAR_EOPEN;
      delete Data;
      return NULL;
    }
    if (!Data->Arc.IsArchive(false))
    {
      if (Data->Cmd.DllError!=0)
        r->OpenResult=Data->Cmd.DllError;
      else
      {
        RAR_EXIT ErrCode=ErrHandler.GetErrorCode();
        if (ErrCode!=RARX_SUCCESS && ErrCode!=RARX_WARNING)
          r->OpenResult=RarErrorToDll(ErrCode);
        else
          r->OpenResult=ERAR_BAD_ARCHIVE;
      }
      delete Data;
      return NULL;
    }
    r->Flags=0;
    
    if (Data->Arc.Volume)
      r->Flags|=0x01;
    if (Data->Arc.Locked)
      r->Flags|=0x04;
    if (Data->Arc.Solid)
      r->Flags|=0x08;
    if (Data->Arc.NewNumbering)
      r->Flags|=0x10;
    if (Data->Arc.Signed)
      r->Flags|=0x20;
    if (Data->Arc.Protected)
      r->Flags|=0x40;
    if (Data->Arc.Encrypted)
      r->Flags|=0x80;
    if (Data->Arc.FirstVolume)
      r->Flags|=0x100;

    Array<wchar> CmtDataW;
    if (r->CmtBufSize!=0 && Data->Arc.GetComment(&CmtDataW))
    {
      Array<char> CmtData(CmtDataW.Size()*4+1);
      memset(&CmtData[0],0,CmtData.Size());
      WideToChar(&CmtDataW[0],&CmtData[0],CmtData.Size()-1);
      size_t Size=strlen(&CmtData[0])+1;

      r->Flags|=2;
      r->CmtState=Size>r->CmtBufSize ? ERAR_SMALL_BUF:1;
      r->CmtSize=(uint)Min(Size,r->CmtBufSize);
      memcpy(r->CmtBuf,&CmtData[0],r->CmtSize-1);
      if (Size<=r->CmtBufSize)
        r->CmtBuf[r->CmtSize-1]=0;
    }
    else
      r->CmtState=r->CmtSize=0;
    Data->Extract.ExtractArchiveInit(Data->Arc);
    return (HANDLE)Data;
  }
  catch (RAR_EXIT ErrCode)
  {
    if (Data!=NULL && Data->Cmd.DllError!=0)
      r->OpenResult=Data->Cmd.DllError;
    else
      r->OpenResult=RarErrorToDll(ErrCode);
    if (Data != NULL)
      delete Data;
    return NULL;
  }
  catch (std::bad_alloc&) // Catch 'new' exception.
  {
    r->OpenResult=ERAR_NO_MEMORY;
    if (Data != NULL)
      delete Data;
  }
  return NULL; // To make compilers happy.
}