bool ParseSubCharsCommand(int numForms, const CCommandSubCharsSet *forms, 
    const UString &commandString, CIntVector &indices)
{
  indices.Clear();
  int numUsedChars = 0;
  for(int i = 0; i < numForms; i++)
  {
    const CCommandSubCharsSet &set = forms[i];
    int currentIndex = -1;
    int len = MyStringLen(set.Chars);
    for(int j = 0; j < len; j++)
    {
      wchar_t c = set.Chars[j];
      int newIndex = commandString.Find(c);
      if (newIndex >= 0)
      {
        if (currentIndex >= 0)
          return false;
        if (commandString.Find(c, newIndex + 1) >= 0)
          return false;
        currentIndex = j;
        numUsedChars++;
      }
    }
    if(currentIndex == -1 && !set.EmptyAllowed)
      return false;
    indices.Add(currentIndex);
  }
  return (numUsedChars == commandString.Length());
}
Exemple #2
0
void SortFileNames(const UStringVector &strings, CIntVector &indices)
{
  indices.Clear();
  int numItems = strings.Size();
  indices.Reserve(numItems);
  for(int i = 0; i < numItems; i++)
    indices.Add(i);
  indices.Sort(CompareStrings, (void *)&strings);
}
Exemple #3
0
bool CCodecs::FindFormatForArchiveType(const UString &arcType, CIntVector &formatIndices) const
{
  formatIndices.Clear();
  for (int pos = 0; pos < arcType.Length();)
  {
    int pos2 = arcType.Find('.', pos);
    if (pos2 < 0)
      pos2 = arcType.Length();
    const UString name = arcType.Mid(pos, pos2 - pos);
    int index = FindFormatForArchiveType(name);
    if (index < 0 && name != L"*")
    {
      formatIndices.Clear();
      return false;
    }
    formatIndices.Add(index);
    pos = pos2 + 1;
  }
  return true;
}
Exemple #4
0
HRESULT CompressFiles(const CObjectVector<PluginPanelItem> &pluginPanelItems)
{
  if (pluginPanelItems.Size() == 0)
    return E_FAIL;

  UStringVector fileNames;
  int i;
  for (i = 0; i < pluginPanelItems.Size(); i++)
  {
    const PluginPanelItem &panelItem = pluginPanelItems[i];
    if (strcmp(panelItem.FindData.cFileName, "..") == 0 &&
        NFind::NAttributes::IsDir(panelItem.FindData.dwFileAttributes))
      return E_FAIL;
    if (strcmp(panelItem.FindData.cFileName, ".") == 0 &&
        NFind::NAttributes::IsDir(panelItem.FindData.dwFileAttributes))
      return E_FAIL;
    FString fullPath;
    FString fileNameUnicode = us2fs(MultiByteToUnicodeString(panelItem.FindData.cFileName, CP_OEMCP));
    if (!MyGetFullPathName(fileNameUnicode, fullPath))
      return E_FAIL;
    fileNames.Add(fs2us(fullPath));
  }

  NCompression::CInfo compressionInfo;
  compressionInfo.Load();
  
  int archiverIndex = 0;

  CCodecs *codecs = new CCodecs;
  CMyComPtr<ICompressCodecsInfo> compressCodecsInfo = codecs;
  if (codecs->Load() != S_OK)
    throw "Can't load 7-Zip codecs";
  {
    for (int i = 0; i < codecs->Formats.Size(); i++)
    {
      const CArcInfoEx &arcInfo = codecs->Formats[i];
      if (arcInfo.UpdateEnabled)
      {
        if (archiverIndex == -1)
          archiverIndex = i;
        if (arcInfo.Name.CompareNoCase(compressionInfo.ArcType) == 0)
          archiverIndex = i;
      }
    }
  }


  UString resultPath;
  {
    CParsedPath parsedPath;
    parsedPath.ParsePath(fileNames.Front());
    if (parsedPath.PathParts.Size() == 0)
      return E_FAIL;
    if (fileNames.Size() == 1 || parsedPath.PathParts.Size() == 1)
    {
      // CSysString pureName, dot, extension;
      resultPath = parsedPath.PathParts.Back();
    }
    else
    {
      parsedPath.PathParts.DeleteBack();
      resultPath = parsedPath.PathParts.Back();
    }
  }
  UString archiveNameSrc = resultPath;
  UString archiveName = archiveNameSrc;

  const CArcInfoEx &arcInfo = codecs->Formats[archiverIndex];
  int prevFormat = archiverIndex;
 
  if (!arcInfo.KeepName)
  {
    int dotPos = archiveName.ReverseFind('.');
    int slashPos = MyMax(archiveName.ReverseFind('\\'), archiveName.ReverseFind('/'));
    if (dotPos > slashPos)
      archiveName = archiveName.Left(dotPos);
  }
  archiveName += L'.';
  archiveName += arcInfo.GetMainExt();
  
  const CActionSet *actionSet = &kAddActionSet;

  for (;;)
  {
    AString archiveNameA = UnicodeStringToMultiByte(archiveName, CP_OEMCP);
    const int kYSize = 16;
    const int kXMid = 38;
  
    const int kArchiveNameIndex = 2;
    const int kMethodRadioIndex = kArchiveNameIndex + 2;
    const int kModeRadioIndex = kMethodRadioIndex + 7;

    const CArcInfoEx &arcInfo = codecs->Formats[archiverIndex];

    char updateAddToArchiveString[512];
    const AString s = UnicodeStringToMultiByte(arcInfo.Name, CP_OEMCP);

    sprintf(updateAddToArchiveString,
        g_StartupInfo.GetMsgString(NMessageID::kUpdateAddToArchive), (const char *)s);

    int methodIndex = 0;
    int i;
    for (i = sizeof(g_MethodMap) / sizeof(g_MethodMap[0]) - 1; i >= 0; i--)
      if (compressionInfo.Level >= g_MethodMap[i])
      {
        methodIndex = i;
        break;
      }

    struct CInitDialogItem initItems[]=
    {
      { DI_DOUBLEBOX, 3, 1, 72, kYSize - 2, false, false, 0, false, NMessageID::kUpdateTitle, NULL, NULL },

      { DI_TEXT, 5, 2, 0, 0, false, false, 0, false, -1, updateAddToArchiveString, NULL },
      
      { DI_EDIT, 5, 3, 70, 3, true, false, DIF_HISTORY, false, -1, archiveNameA, kArchiveHistoryKeyName},
      // { DI_EDIT, 5, 3, 70, 3, true, false, 0, false, -1, archiveName, NULL},
      
      { DI_SINGLEBOX, 4, 4, kXMid - 2, 4 + 7, false, false, 0, false, NMessageID::kUpdateMethod, NULL, NULL },
      { DI_RADIOBUTTON, 6, 5, 0, 0, false, methodIndex == 0,
          DIF_GROUP, false, NMessageID::kUpdateMethodStore, NULL, NULL },
      { DI_RADIOBUTTON, 6, 6, 0, 0, false, methodIndex == 1,
          0, false, NMessageID::kUpdateMethodFastest, NULL, NULL },
      { DI_RADIOBUTTON, 6, 7, 0, 0, false, methodIndex == 2,
          0, false, NMessageID::kUpdateMethodFast, NULL, NULL },
      { DI_RADIOBUTTON, 6, 8, 0, 0, false, methodIndex == 3,
          0, false, NMessageID::kUpdateMethodNormal, NULL, NULL },
      { DI_RADIOBUTTON, 6, 9, 0, 0, false, methodIndex == 4,
          false, 0, NMessageID::kUpdateMethodMaximum, NULL, NULL },
      { DI_RADIOBUTTON, 6, 10, 0, 0, false, methodIndex == 5,
          false, 0, NMessageID::kUpdateMethodUltra, NULL, NULL },
      
      { DI_SINGLEBOX, kXMid, 4, 70, 4 + 5, false, false, 0, false, NMessageID::kUpdateMode, NULL, NULL },
      { DI_RADIOBUTTON, kXMid + 2, 5, 0, 0, false,
          actionSet == &kAddActionSet,
          DIF_GROUP, false, NMessageID::kUpdateModeAdd, NULL, NULL },
      { DI_RADIOBUTTON, kXMid + 2, 6, 0, 0, false,
          actionSet == &kUpdateActionSet,
          0, false, NMessageID::kUpdateModeUpdate, NULL, NULL },
      { DI_RADIOBUTTON, kXMid + 2, 7, 0, 0, false,
          actionSet == &kFreshActionSet,
          0, false, NMessageID::kUpdateModeFreshen, NULL, NULL },
      { DI_RADIOBUTTON, kXMid + 2, 8, 0, 0, false,
          actionSet == &kSynchronizeActionSet,
          0, false, NMessageID::kUpdateModeSynchronize, NULL, NULL },
      
      { DI_TEXT, 3, kYSize - 4, 0, 0, false, false, DIF_BOXCOLOR|DIF_SEPARATOR, false, -1, "", NULL  },
      
      { DI_BUTTON, 0, kYSize - 3, 0, 0, false, false, DIF_CENTERGROUP, true, NMessageID::kUpdateAdd, NULL, NULL  },
      { DI_BUTTON, 0, kYSize - 3, 0, 0, false, false, DIF_CENTERGROUP, false, NMessageID::kUpdateSelectArchiver, NULL, NULL  },
      { DI_BUTTON, 0, kYSize - 3, 0, 0, false, false, DIF_CENTERGROUP, false, NMessageID::kCancel, NULL, NULL  }
    };

    const int kNumDialogItems = sizeof(initItems) / sizeof(initItems[0]);
    
    const int kOkButtonIndex = kNumDialogItems - 3;
    const int kSelectarchiverButtonIndex = kNumDialogItems - 2;

    FarDialogItem dialogItems[kNumDialogItems];
    g_StartupInfo.InitDialogItems(initItems, dialogItems, kNumDialogItems);
    int askCode = g_StartupInfo.ShowDialog(76, kYSize,
        kHelpTopic, dialogItems, kNumDialogItems);

    archiveNameA = dialogItems[kArchiveNameIndex].Data;
    archiveNameA.Trim();
    archiveName = MultiByteToUnicodeString(archiveNameA, CP_OEMCP);

    compressionInfo.Level = g_MethodMap[0];
    for (i = 0; i < sizeof(g_MethodMap)/ sizeof(g_MethodMap[0]); i++)
      if (dialogItems[kMethodRadioIndex + i].Selected)
        compressionInfo.Level = g_MethodMap[i];

    if (dialogItems[kModeRadioIndex].Selected)
      actionSet = &kAddActionSet;
    else if (dialogItems[kModeRadioIndex + 1].Selected)
      actionSet = &kUpdateActionSet;
    else if (dialogItems[kModeRadioIndex + 2].Selected)
      actionSet = &kFreshActionSet;
    else if (dialogItems[kModeRadioIndex + 3].Selected)
      actionSet = &kSynchronizeActionSet;
    else
      throw 51751;

    if (askCode == kSelectarchiverButtonIndex)
    {
      CIntVector indices;
      CSysStringVector archiverNames;
      for (int i = 0; i < codecs->Formats.Size(); i++)
      {
        const CArcInfoEx &arc = codecs->Formats[i];
        if (arc.UpdateEnabled)
        {
          indices.Add(i);
          archiverNames.Add(GetSystemString(arc.Name, CP_OEMCP));
        }
      }
    
      int index = g_StartupInfo.Menu(FMENU_AUTOHIGHLIGHT,
          g_StartupInfo.GetMsgString(NMessageID::kUpdateSelectArchiverMenuTitle),
          NULL, archiverNames, archiverIndex);
      if (index >= 0)
      {
        const CArcInfoEx &prevArchiverInfo = codecs->Formats[prevFormat];
        if (prevArchiverInfo.KeepName)
        {
          const UString &prevExtension = prevArchiverInfo.GetMainExt();
          const int prevExtensionLen = prevExtension.Length();
          if (archiveName.Right(prevExtensionLen).CompareNoCase(prevExtension) == 0)
          {
            int pos = archiveName.Length() - prevExtensionLen;
            if (pos > 1)
            {
              int dotPos = archiveName.ReverseFind('.');
              if (dotPos == pos - 1)
                archiveName = archiveName.Left(dotPos);
            }
          }
        }

        archiverIndex = indices[index];
        const CArcInfoEx &arcInfo = codecs->Formats[archiverIndex];
        prevFormat = archiverIndex;
        
        if (arcInfo.KeepName)
          archiveName = archiveNameSrc;
        else
        {
          int dotPos = archiveName.ReverseFind('.');
          int slashPos = MyMax(archiveName.ReverseFind('\\'), archiveName.ReverseFind('/'));
          if (dotPos > slashPos)
            archiveName = archiveName.Left(dotPos);
        }
        archiveName += L'.';
        archiveName += arcInfo.GetMainExt();
      }
      continue;
    }

    if (askCode != kOkButtonIndex)
      return E_ABORT;
    
    break;
  }

  const CArcInfoEx &archiverInfoFinal = codecs->Formats[archiverIndex];
  compressionInfo.ArcType = archiverInfoFinal.Name;
  compressionInfo.Save();

  NWorkDir::CInfo workDirInfo;
  workDirInfo.Load();

  FString fullArchiveName;
  if (!MyGetFullPathName(us2fs(archiveName), fullArchiveName))
    return E_FAIL;
   
  CWorkDirTempFile tempFile;
  RINOK(tempFile.CreateTempFile(fullArchiveName));

  CScreenRestorer screenRestorer;
  CProgressBox progressBox;
  CProgressBox *progressBoxPointer = NULL;

  screenRestorer.Save();

  progressBoxPointer = &progressBox;
  progressBox.Init(
      // g_StartupInfo.GetMsgString(NMessageID::kWaitTitle),
      g_StartupInfo.GetMsgString(NMessageID::kUpdating), 48);


  NFind::CFileInfo fileInfo;

  CMyComPtr<IOutFolderArchive> outArchive;

  CMyComPtr<IInFolderArchive> archiveHandler;
  if (fileInfo.Find(fullArchiveName))
  {
    if (fileInfo.IsDir())
      throw "There is Directory with such name";

    CAgent *agentSpec = new CAgent;
    archiveHandler = agentSpec;
    // CLSID realClassID;
    CMyComBSTR archiveType;
    RINOK(agentSpec->Open(NULL,
        GetUnicodeString(fullArchiveName, CP_OEMCP), UString(),
        // &realClassID,
        &archiveType,
        NULL));

    if (archiverInfoFinal.Name.CompareNoCase((const wchar_t *)archiveType) != 0)
      throw "Type of existing archive differs from specified type";
    HRESULT result = archiveHandler.QueryInterface(
        IID_IOutFolderArchive, &outArchive);
    if (result != S_OK)
    {
      g_StartupInfo.ShowMessage(NMessageID::kUpdateNotSupportedForThisArchive);
      return E_FAIL;
    }
  }
  else
  {
    // HRESULT result = outArchive.CoCreateInstance(classID);
    CAgent *agentSpec = new CAgent;
    outArchive = agentSpec;

    /*
    HRESULT result = outArchive.CoCreateInstance(CLSID_CAgentArchiveHandler);
    if (result != S_OK)
    {
      g_StartupInfo.ShowMessage(NMessageID::kUpdateNotSupportedForThisArchive);
      return E_FAIL;
    }
    */
  }

  CRecordVector<const wchar_t *> fileNamePointers;
  fileNamePointers.Reserve(fileNames.Size());
  for (i = 0; i < fileNames.Size(); i++)
    fileNamePointers.Add(fileNames[i]);

  outArchive->SetFolder(NULL);
  outArchive->SetFiles(L"", &fileNamePointers.Front(), fileNamePointers.Size());
  BYTE actionSetByte[NUpdateArchive::NPairState::kNumValues];
  for (i = 0; i < NUpdateArchive::NPairState::kNumValues; i++)
    actionSetByte[i] = (BYTE)actionSet->StateActions[i];

  CUpdateCallback100Imp *updateCallbackSpec = new CUpdateCallback100Imp;
  CMyComPtr<IFolderArchiveUpdateCallback> updateCallback(updateCallbackSpec );
  
  updateCallbackSpec->Init(/* archiveHandler, */ progressBoxPointer);


  RINOK(SetOutProperties(outArchive, compressionInfo.Level));

  HRESULT result = outArchive->DoOperation(
      codecs, archiverIndex,
      tempFile.OutStream, actionSetByte,
      NULL, updateCallback);
  updateCallback.Release();
  outArchive.Release();

  if (result != S_OK)
  {
    ShowErrorMessage(result);
    return result;
  }
 
  if (archiveHandler)
  {
    archiveHandler->Close();
  }
  if (!tempFile.MoveToOriginal(archiveHandler != NULL))
  {
    ShowLastErrorMessage();
    return E_FAIL;
  }
  return S_OK;
}
Exemple #5
0
HRESULT OpenArchive(
    CCodecs *codecs,
    IInStream *inStream,
    const UString &fileName, 
    IInArchive **archiveResult, 
    int &formatIndex,
    UString &defaultItemName,
    IArchiveOpenCallback *openArchiveCallback)
{
  *archiveResult = NULL;
  UString extension;
  {
    int dotPos = fileName.ReverseFind(L'.');
    if (dotPos >= 0)
      extension = fileName.Mid(dotPos + 1);
  }
  CIntVector orderIndices;
  int i;
  int numFinded = 0;
  for (i = 0; i < codecs->Formats.Size(); i++)
    if (codecs->Formats[i].FindExtension(extension) >= 0)
      orderIndices.Insert(numFinded++, i);
    else
      orderIndices.Add(i);
  
  #ifndef _SFX
  if (numFinded != 1)
  {
    CIntVector orderIndices2;
    CByteBuffer byteBuffer;
    const UInt32 kBufferSize = (200 << 10);
    byteBuffer.SetCapacity(kBufferSize);
    Byte *buffer = byteBuffer;
    RINOK(inStream->Seek(0, STREAM_SEEK_SET, NULL));
    UInt32 processedSize;
    RINOK(ReadStream(inStream, buffer, kBufferSize, &processedSize));
    for (UInt32 pos = 0; pos < processedSize; pos++)
    {
      for (int i = 0; i < orderIndices.Size(); i++)
      {
        int index = orderIndices[i];
        const CArcInfoEx &ai = codecs->Formats[index];
        const CByteBuffer &sig = ai.StartSignature;
        if (sig.GetCapacity() == 0)
          continue;
        if (pos + sig.GetCapacity() > processedSize)
          continue;
        if (TestSignature(buffer + pos, sig, sig.GetCapacity()))
        {
          orderIndices2.Add(index);
          orderIndices.Delete(i--);
        }
      }
    }
    orderIndices2 += orderIndices;
    orderIndices = orderIndices2;

/* begin: extracted from 4.65 */
    if (orderIndices.Size() >= 2)
    {
      int isoIndex = codecs->FindFormatForArchiveType(L"iso");
      int udfIndex = codecs->FindFormatForArchiveType(L"udf");
      int iIso = -1;
      int iUdf = -1;
      for (int i = 0; i < orderIndices.Size(); i++)
      {
        if (orderIndices[i] == isoIndex) iIso = i;
        if (orderIndices[i] == udfIndex) iUdf = i;
      }
      if (iUdf == iIso + 1)
      {
        orderIndices[iUdf] = isoIndex;
        orderIndices[iIso] = udfIndex;
      }
    }
/* end: extracted from 4.65 */
  }
  else if (extension == L"000" || extension == L"001")
  {
    CByteBuffer byteBuffer;
    const UInt32 kBufferSize = (1 << 10);
    byteBuffer.SetCapacity(kBufferSize);
    Byte *buffer = byteBuffer;
    RINOK(inStream->Seek(0, STREAM_SEEK_SET, NULL));
    UInt32 processedSize;
    RINOK(ReadStream(inStream, buffer, kBufferSize, &processedSize));
    if (processedSize >= 16)
    {
      Byte kRarHeader[] = {0x52 , 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00};
      if (TestSignature(buffer, kRarHeader, 7) && buffer[9] == 0x73 && (buffer[10] && 1) != 0)
      {
        for (int i = 0; i < orderIndices.Size(); i++)
        {
          int index = orderIndices[i];
          const CArcInfoEx &ai = codecs->Formats[index];
          if (ai.Name.CompareNoCase(L"rar") != 0)
            continue;
          orderIndices.Delete(i--);
          orderIndices.Insert(0, index);
          break;
        }
      }
    }
  }
  #endif

  HRESULT badResult = S_OK;
  for(i = 0; i < orderIndices.Size(); i++)
  {
    inStream->Seek(0, STREAM_SEEK_SET, NULL);

    CMyComPtr<IInArchive> archive;

    formatIndex = orderIndices[i];
    RINOK(codecs->CreateInArchive(formatIndex, archive));
    if (!archive)
      continue;

    #ifdef EXTERNAL_CODECS
    {
      CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
      archive.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
      if (setCompressCodecsInfo)
      {
        RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecs));
      }
    }
    #endif

    HRESULT result = archive->Open(inStream, &kMaxCheckStartPosition, openArchiveCallback);
    if (result == S_FALSE)
      continue;
    if(result != S_OK)
    {
      badResult = result;
      if(result == E_ABORT)
        break;
      continue;
    }
    *archiveResult = archive.Detach();
    const CArcInfoEx &format = codecs->Formats[formatIndex];
    if (format.Exts.Size() == 0)
    {
      defaultItemName = GetDefaultName2(fileName, L"", L"");
    }
    else
    {
      int subExtIndex = format.FindExtension(extension);
      if (subExtIndex < 0)
        subExtIndex = 0;
      defaultItemName = GetDefaultName2(fileName, 
          format.Exts[subExtIndex].Ext, 
          format.Exts[subExtIndex].AddExt);
    }
    return S_OK;
  }
  if (badResult != S_OK)
    return badResult;
  return S_FALSE;
}
Exemple #6
0
HRESULT CArc::OpenStream(
    CCodecs *codecs,
    int formatIndex,
    IInStream *stream,
    ISequentialInStream *seqStream,
    IArchiveOpenCallback *callback)
{
  Archive.Release();
  ErrorMessage.Empty();
  const UString fileName = ExtractFileNameFromPath(Path);
  UString extension;
  {
    int dotPos = fileName.ReverseFind(L'.');
    if (dotPos >= 0)
      extension = fileName.Mid(dotPos + 1);
  }
  CIntVector orderIndices;
  if (formatIndex >= 0)
    orderIndices.Add(formatIndex);
  else
  {

  int i;
  int numFinded = 0;
  for (i = 0; i < codecs->Formats.Size(); i++)
    if (codecs->Formats[i].FindExtension(extension) >= 0)
      orderIndices.Insert(numFinded++, i);
    else
      orderIndices.Add(i);
  
  if (!stream)
  {
    if (numFinded != 1)
      return E_NOTIMPL;
    orderIndices.DeleteFrom(1);
  }

  #ifndef _SFX
  if (orderIndices.Size() >= 2 && (numFinded == 0 || extension.CompareNoCase(L"exe") == 0))
  {
    CIntVector orderIndices2;
    CByteBuffer byteBuffer;
    const size_t kBufferSize = (1 << 21);
    byteBuffer.SetCapacity(kBufferSize);
    RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
    size_t processedSize = kBufferSize;
    RINOK(ReadStream(stream, byteBuffer, &processedSize));
    if (processedSize == 0)
      return S_FALSE;

    const Byte *buf = byteBuffer;
    CByteBuffer hashBuffer;
    const UInt32 kNumVals = 1 << (kNumHashBytes * 8);
    hashBuffer.SetCapacity(kNumVals);
    Byte *hash = hashBuffer;
    memset(hash, 0xFF, kNumVals);
    Byte prevs[256];
    if (orderIndices.Size() >= 256)
      return S_FALSE;
    int i;
    for (i = 0; i < orderIndices.Size(); i++)
    {
      const CArcInfoEx &ai = codecs->Formats[orderIndices[i]];
      const CByteBuffer &sig = ai.StartSignature;
      if (sig.GetCapacity() < kNumHashBytes)
        continue;
      UInt32 v = HASH_VAL(sig, 0);
      prevs[i] = hash[v];
      hash[v] = (Byte)i;
    }

    processedSize -= (kNumHashBytes - 1);
    for (UInt32 pos = 0; pos < processedSize; pos++)
    {
      for (; pos < processedSize && hash[HASH_VAL(buf, pos)] == 0xFF; pos++);
      if (pos == processedSize)
        break;
      UInt32 v = HASH_VAL(buf, pos);
      Byte *ptr = &hash[v];
      int i = *ptr;
      do
      {
        int index = orderIndices[i];
        const CArcInfoEx &ai = codecs->Formats[index];
        const CByteBuffer &sig = ai.StartSignature;
        if (sig.GetCapacity() != 0 && pos + sig.GetCapacity() <= processedSize + (kNumHashBytes - 1) &&
            TestSignature(buf + pos, sig, sig.GetCapacity()))
        {
          orderIndices2.Add(index);
          orderIndices[i] = 0xFF;
          *ptr = prevs[i];
        }
        else
          ptr = &prevs[i];
        i = *ptr;
      }
      while (i != 0xFF);
    }
    
    for (i = 0; i < orderIndices.Size(); i++)
    {
      int val = orderIndices[i];
      if (val != 0xFF)
        orderIndices2.Add(val);
    }
    orderIndices = orderIndices2;
  }
  else if (extension == L"000" || extension == L"001")
  {
    CByteBuffer byteBuffer;
    const size_t kBufferSize = (1 << 10);
    byteBuffer.SetCapacity(kBufferSize);
    Byte *buffer = byteBuffer;
    RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
    size_t processedSize = kBufferSize;
    RINOK(ReadStream(stream, buffer, &processedSize));
    if (processedSize >= 16)
    {
      Byte kRarHeader[] = {0x52 , 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00};
      if (TestSignature(buffer, kRarHeader, 7) && buffer[9] == 0x73 && (buffer[10] & 1) != 0)
      {
        for (int i = 0; i < orderIndices.Size(); i++)
        {
          int index = orderIndices[i];
          const CArcInfoEx &ai = codecs->Formats[index];
          if (ai.Name.CompareNoCase(L"rar") != 0)
            continue;
          orderIndices.Delete(i--);
          orderIndices.Insert(0, index);
          break;
        }
      }
    }
  }
  if (orderIndices.Size() >= 2)
  {
    int isoIndex = codecs->FindFormatForArchiveType(L"iso");
    int udfIndex = codecs->FindFormatForArchiveType(L"udf");
    int iIso = -1;
    int iUdf = -1;
    for (int i = 0; i < orderIndices.Size(); i++)
    {
      if (orderIndices[i] == isoIndex) iIso = i;
      if (orderIndices[i] == udfIndex) iUdf = i;
    }
    if (iUdf > iIso && iIso >= 0)
    {
      orderIndices[iUdf] = isoIndex;
      orderIndices[iIso] = udfIndex;
    }
  }

  #endif
  }

  for (int i = 0; i < orderIndices.Size(); i++)
  {
    if (stream)
    {
      RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
    }
    CMyComPtr<IInArchive> archive;

    FormatIndex = orderIndices[i];
    RINOK(codecs->CreateInArchive(FormatIndex, archive));
    if (!archive)
      continue;

    #ifdef EXTERNAL_CODECS
    {
      CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
      archive.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
      if (setCompressCodecsInfo)
      {
        RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecs));
      }
    }
    #endif

    // OutputDebugStringW(codecs->Formats[FormatIndex].Name);

    HRESULT result;
    if (stream)
      result = archive->Open(stream, &kMaxCheckStartPosition, callback);
    else
    {
      CMyComPtr<IArchiveOpenSeq> openSeq;
      archive.QueryInterface(IID_IArchiveOpenSeq, (void **)&openSeq);
      if (!openSeq)
        return E_NOTIMPL;
      result = openSeq->OpenSeq(seqStream);
    }

    if (result == S_FALSE)
      continue;
    RINOK(result);

    {
      NCOM::CPropVariant prop;
      archive->GetArchiveProperty(kpidError, &prop);
      if (prop.vt != VT_EMPTY)
        ErrorMessage = (prop.vt == VT_BSTR) ? prop.bstrVal : L"Unknown error";
    }
    
    Archive = archive;
    const CArcInfoEx &format = codecs->Formats[FormatIndex];
    if (format.Exts.Size() == 0)
      DefaultName = GetDefaultName2(fileName, L"", L"");
    else
    {
      int subExtIndex = format.FindExtension(extension);
      if (subExtIndex < 0)
        subExtIndex = 0;
      const CArcExtInfo &extInfo = format.Exts[subExtIndex];
      DefaultName = GetDefaultName2(fileName, extInfo.Ext, extInfo.AddExt);
    }
    return S_OK;
  }
  return S_FALSE;
}