C++ CFileInfo::Find方法代码示例

bool CFSFolder::SaveComments()
{
  AString utf;
  {
    UString unicode;
    _comments.SaveToString(unicode);
    ConvertUnicodeToUTF8(unicode, utf);
  }
  if (!utf.IsAscii())
    utf.Insert(0, "\xEF\xBB\xBF" "\r\n");

  FString path = _path + kDescriptionFileName;
  // We must set same attrib. COutFile::CreateAlways can fail, if file has another attrib.
  DWORD attrib = FILE_ATTRIBUTE_NORMAL;
  {
    CFileInfo fi;
    if (fi.Find(path))
      attrib = fi.Attrib;
  }
  NIO::COutFile file;
  if (!file.CreateAlways(path, attrib))
    return false;
  UInt32 processed;
  file.Write(utf, utf.Len(), processed);
  _commentsAreLoaded = false;
  return true;
}

void CPanel::LoadFullPathAndShow()
{
  LoadFullPath();
  _appState->FolderHistory.AddString(_currentFolderPrefix);

  _headerComboBox.SetText(_currentFolderPrefix);

  #ifndef UNDER_CE

  COMBOBOXEXITEM item;
  item.mask = 0;

  UString path = _currentFolderPrefix;
  if (path.Len() >
      #ifdef _WIN32
      3
      #else
      1
      #endif
      && path.Back() == WCHAR_PATH_SEPARATOR)
    path.DeleteBack();

  DWORD attrib = FILE_ATTRIBUTE_DIRECTORY;

  // GetRealIconIndex is slow for direct DVD/UDF path. So we use dummy path
  if (path.IsPrefixedBy(L"\\\\.\\"))
    path = L"_TestFolder_";
  else
  {
    CFileInfo fi;
    if (fi.Find(us2fs(path)))
      attrib = fi.Attrib;
  }
  item.iImage = GetRealIconIndex(us2fs(path), attrib);

  if (item.iImage >= 0)
  {
    item.iSelectedImage = item.iImage;
    item.mask |= (CBEIF_IMAGE | CBEIF_SELECTEDIMAGE);
  }
  item.iItem = -1;
  _headerComboBox.SetItem(&item);
  
  #endif

  RefreshTitle();
}

static HRESULT UpdateFile(NFsFolder::CCopyStateIO &state, CFSTR inPath, CFSTR outPath, IFolderArchiveUpdateCallback *callback)
{
  if (NFind::DoesFileOrDirExist(outPath))
  {
    RINOK(SendMessageError(callback, NError::MyFormatMessage(ERROR_ALREADY_EXISTS), outPath));
    CFileInfo fi;
    if (fi.Find(inPath))
    {
      if (state.TotalSize >= fi.Size)
        state.TotalSize -= fi.Size;
    }
    return S_OK;
  }

  {
    if (callback)
      RINOK(callback->CompressOperation(fs2us(inPath)));
    RINOK(state.MyCopyFile(inPath, outPath));
    if (state.ErrorFileIndex >= 0)
    {
      if (state.ErrorMessage.IsEmpty())
        state.ErrorMessage = GetLastErrorMessage();
      FString errorName;
      if (state.ErrorFileIndex == 0)
        errorName = inPath;
      else
        errorName = outPath;
      if (callback)
        RINOK(SendMessageError(callback, state.ErrorMessage, errorName));
    }
    if (callback)
      RINOK(callback->OperationResult(0));
  }

  return S_OK;
}

HRESULT CPanel::BindToPath(const UString &fullPath, const UString &arcFormat, bool &archiveIsOpened, bool &encrypted)
{
  UString path = fullPath;
  #ifdef _WIN32
  path.Replace(L'/', WCHAR_PATH_SEPARATOR);
  #endif

  archiveIsOpened = false;
  encrypted = false;
  
  CDisableTimerProcessing disableTimerProcessing(*this);
  CDisableNotify disableNotify(*this);

  for (; !_parentFolders.IsEmpty(); CloseOneLevel())
  {
    // ---------- we try to use open archive ----------

    const CFolderLink &link = _parentFolders.Back();
    const UString &virtPath = link.VirtualPath;
    if (!path.IsPrefixedBy(virtPath))
      continue;
    UString relatPath = path.Ptr(virtPath.Len());
    if (!relatPath.IsEmpty())
    {
      if (!IS_PATH_SEPAR(relatPath[0]))
        continue;
      else
        relatPath.Delete(0);
    }
    
    UString relatPath2 = relatPath;
    if (!relatPath2.IsEmpty() && !IS_PATH_SEPAR(relatPath2.Back()))
      relatPath2.Add_PathSepar();

    for (;;)
    {
      const UString foldPath = GetFolderPath(_folder);
      if (relatPath2 == foldPath)
        break;
      if (relatPath.IsPrefixedBy(foldPath))
      {
        path = relatPath.Ptr(foldPath.Len());
        break;
      }
      CMyComPtr<IFolderFolder> newFolder;
      if (_folder->BindToParentFolder(&newFolder) != S_OK)
        throw 20140918;
      if (!newFolder) // we exit from loop above if (relatPath.IsPrefixedBy(empty path for root folder)
        throw 20140918;
      SetNewFolder(newFolder);
    }
    break;
  }

  if (_parentFolders.IsEmpty())
  {
    // ---------- we open file or folder from file system ----------

    CloseOpenFolders();
    UString sysPath = path;
    
    unsigned prefixSize = NName::GetRootPrefixSize(sysPath);
    if (prefixSize == 0 || sysPath[prefixSize] == 0)
      sysPath.Empty();
    
    #if defined(_WIN32) && !defined(UNDER_CE)
    if (!sysPath.IsEmpty() && sysPath.Back() == ':' &&
      (sysPath.Len() != 2 || !NName::IsDrivePath2(sysPath)))
    {
      UString baseFile = sysPath;
      baseFile.DeleteBack();
      if (NFind::DoesFileOrDirExist(us2fs(baseFile)))
        sysPath.Empty();
    }
    #endif
    
    CFileInfo fileInfo;
    
    while (!sysPath.IsEmpty())
    {
      if (fileInfo.Find(us2fs(sysPath)))
        break;
      int pos = sysPath.ReverseFind_PathSepar();
      if (pos < 0)
        sysPath.Empty();
      else
      {
        /*
        if (reducedParts.Size() > 0 || pos < (int)sysPath.Len() - 1)
          reducedParts.Add(sysPath.Ptr(pos + 1));
        */
        #if defined(_WIN32) && !defined(UNDER_CE)
        if (pos == 2 && NName::IsDrivePath2(sysPath) && sysPath.Len() > 3)
          pos++;
        #endif

        sysPath.DeleteFrom(pos);
      }
    }
    
//.........这里部分代码省略.........

bool CPanel::OnComboBoxCommand(UINT code, LPARAM /* param */, LRESULT &result)
{
  result = FALSE;
  switch (code)
  {
    case CBN_DROPDOWN:
    {
      ComboBoxPaths.Clear();
      _headerComboBox.ResetContent();
      
      unsigned i;
      UStringVector pathParts;
      
      SplitPathToParts(_currentFolderPrefix, pathParts);
      UString sumPass;
      if (!pathParts.IsEmpty())
        pathParts.DeleteBack();
      for (i = 0; i < pathParts.Size(); i++)
      {
        UString name = pathParts[i];
        sumPass += name;
        sumPass.Add_PathSepar();
        CFileInfo info;
        DWORD attrib = FILE_ATTRIBUTE_DIRECTORY;
        if (info.Find(us2fs(sumPass)))
          attrib = info.Attrib;
        AddComboBoxItem(name.IsEmpty() ? L"\\" : name, GetRealIconIndex(us2fs(sumPass), attrib), i, false);
        ComboBoxPaths.Add(sumPass);
      }

      #ifndef UNDER_CE

      int iconIndex;
      UString name;
      name = RootFolder_GetName_Documents(iconIndex);
      AddComboBoxItem(name, iconIndex, 0, true);

      name = RootFolder_GetName_Computer(iconIndex);
      AddComboBoxItem(name, iconIndex, 0, true);
        
      FStringVector driveStrings;
      MyGetLogicalDriveStrings(driveStrings);
      for (i = 0; i < driveStrings.Size(); i++)
      {
        FString s = driveStrings[i];
        ComboBoxPaths.Add(fs2us(s));
        int iconIndex = GetRealIconIndex(s, 0);
        if (s.Len() > 0 && s.Back() == FCHAR_PATH_SEPARATOR)
          s.DeleteBack();
        AddComboBoxItem(fs2us(s), iconIndex, 1, false);
      }

      name = RootFolder_GetName_Network(iconIndex);
      AddComboBoxItem(name, iconIndex, 0, true);

      #endif
    
      return false;
    }

    case CBN_SELENDOK:
    {
      code = code;
      int index = _headerComboBox.GetCurSel();
      if (index >= 0)
      {
        UString pass = ComboBoxPaths[index];
        _headerComboBox.SetCurSel(-1);
        // _headerComboBox.SetText(pass); // it's fix for seclecting by mouse.
        if (BindToPathAndRefresh(pass) == S_OK)
        {
          PostMsg(kSetFocusToListView);
          #ifdef UNDER_CE
          PostMsg(kRefresh_HeaderComboBox);
          #endif
          return true;
        }
      }
      return false;
    }
    /*
    case CBN_CLOSEUP:
    {
      LoadFullPathAndShow();
      true;

    }
    case CBN_SELCHANGE:
    {
      // LoadFullPathAndShow();
      return true;
    }
    */
  }
  return false;
}

HRESULT CPanel::BindToPath(const UString &fullPath, const UString &arcFormat, bool &archiveIsOpened, bool &encrypted)
{
  archiveIsOpened = false;
  encrypted = false;
  CDisableTimerProcessing disableTimerProcessing(*this);
  CDisableNotify disableNotify(*this);

  if (_parentFolders.Size() > 0)
  {
    const UString &virtPath = _parentFolders.Back().VirtualPath;
    if (fullPath.IsPrefixedBy(virtPath))
    {
      for (;;)
      {
        CMyComPtr<IFolderFolder> newFolder;
        HRESULT res = _folder->BindToParentFolder(&newFolder);
        if (!newFolder || res != S_OK)
          break;
        SetNewFolder(newFolder);
      }
      UStringVector parts;
      SplitPathToParts(fullPath.Ptr(virtPath.Len()), parts);
      FOR_VECTOR (i, parts)
      {
        const UString &s = parts[i];
        if ((i == 0 || i == parts.Size() - 1) && s.IsEmpty())
          continue;
        CMyComPtr<IFolderFolder> newFolder;
        HRESULT res = _folder->BindToFolder(s, &newFolder);
        if (!newFolder || res != S_OK)
          break;
        SetNewFolder(newFolder);
      }
      return S_OK;
    }
  }

  CloseOpenFolders();
  UString sysPath = fullPath;
  CFileInfo fileInfo;
  UStringVector reducedParts;
  while (!sysPath.IsEmpty())
  {
    if (fileInfo.Find(us2fs(sysPath)))
      break;
    int pos = sysPath.ReverseFind(WCHAR_PATH_SEPARATOR);
    if (pos < 0)
      sysPath.Empty();
    else
    {
      if (reducedParts.Size() > 0 || pos < (int)sysPath.Len() - 1)
        reducedParts.Add(sysPath.Ptr(pos + 1));
      sysPath.DeleteFrom(pos);
    }
  }
  SetToRootFolder();
  CMyComPtr<IFolderFolder> newFolder;
  if (sysPath.IsEmpty())
  {
    if (_folder->BindToFolder(fullPath, &newFolder) == S_OK)
      SetNewFolder(newFolder);
  }
  else if (fileInfo.IsDir())
  {
    NName::NormalizeDirPathPrefix(sysPath);
    if (_folder->BindToFolder(sysPath, &newFolder) == S_OK)
      SetNewFolder(newFolder);
  }
  else
  {
    FString dirPrefix, fileName;
    NDir::GetFullPathAndSplit(us2fs(sysPath), dirPrefix, fileName);
    if (_folder->BindToFolder(fs2us(dirPrefix), &newFolder) == S_OK)
    {
      SetNewFolder(newFolder);
      LoadFullPath();
      {
        HRESULT res = OpenItemAsArchive(fs2us(fileName), arcFormat, encrypted);
        if (res != S_FALSE)
        {
          RINOK(res);
        }
        /*
        if (res == E_ABORT)
          return res;
        */
        if (res == S_OK)
        {
          archiveIsOpened = true;
          for (int i = reducedParts.Size() - 1; i >= 0; i--)
          {
            CMyComPtr<IFolderFolder> newFolder;
            _folder->BindToFolder(reducedParts[i], &newFolder);
            if (!newFolder)
              break;
            SetNewFolder(newFolder);
          }
        }
      }
    }
//.........这里部分代码省略.........

bool DoesFileOrDirExist(CFSTR name)
{
  CFileInfo fi;
  return fi.Find(name);
}

bool DoesDirExist(CFSTR name)
{
  CFileInfo fi;
  return fi.Find(name) && fi.IsDir();
}

STDMETHODIMP CAltStreamsFolder::CopyTo(Int32 moveMode, const UInt32 *indices, UInt32 numItems,
    Int32 /* includeAltStreams */, Int32 /* replaceAltStreamColon */,
    const wchar_t *path, IFolderOperationsExtractCallback *callback)
{
  if (numItems == 0)
    return S_OK;

  /*
  CMyComPtr<IFolderExtractToStreamCallback> ExtractToStreamCallback;
  RINOK(callback->QueryInterface(IID_IFolderExtractToStreamCallback, (void **)&ExtractToStreamCallback));
  if (ExtractToStreamCallback)
  {
    Int32 useStreams = 0;
    if (ExtractToStreamCallback->UseExtractToStream(&useStreams) != S_OK)
      useStreams = 0;
    if (useStreams == 0)
      ExtractToStreamCallback.Release();
  }
  */

  UInt64 totalSize = 0;
  {
    UInt32 i;
    for (i = 0; i < numItems; i++)
    {
      totalSize += Streams[indices[i]].Size;
    }
    RINOK(callback->SetTotal(totalSize));
    RINOK(callback->SetNumFiles(numItems));
  }

  /*
  if (ExtractToStreamCallback)
  {
    CGetProp *GetProp_Spec = new CGetProp;
    CMyComPtr<IGetProp> GetProp= GetProp_Spec;

    for (UInt32 i = 0; i < numItems; i++)
    {
      UInt32 index = indices[i];
      const CAltStream &ss = Streams[index];
      GetProp_Spec->Name = ss.Name;
      GetProp_Spec->Size = ss.Size;
      CMyComPtr<ISequentialOutStream> outStream;
      RINOK(ExtractToStreamCallback->GetStream7(GetProp_Spec->Name, BoolToInt(false), &outStream,
        NArchive::NExtract::NAskMode::kExtract, GetProp)); // isDir
      FString srcPath;
      GetFullPath(ss, srcPath);
      RINOK(ExtractToStreamCallback->PrepareOperation7(NArchive::NExtract::NAskMode::kExtract));
      RINOK(ExtractToStreamCallback->SetOperationResult7(NArchive::NExtract::NOperationResult::kOK, BoolToInt(false))); // _encrypted
      // RINOK(CopyStream(state, srcPath, fi, ss, destPath2, callback, completedSize));
    }
    return S_OK;
  }
  */

  FString destPath = us2fs(path);
  if (destPath.IsEmpty() /* && !ExtractToStreamCallback */)
    return E_INVALIDARG;

  bool isAltDest = NName::IsAltPathPrefix(destPath);;
  bool isDirectPath = (!isAltDest && !IsPathSepar(destPath.Back()));

  if (isDirectPath)
  {
    if (numItems > 1)
      return E_INVALIDARG;
  }

  CFileInfo fi;
  if (!fi.Find(_pathBaseFile))
    return GetLastError();

  NFsFolder::CCopyStateIO state;
  state.Progress = callback;
  state.DeleteSrcFile = IntToBool(moveMode);
  state.TotalSize = totalSize;

  for (UInt32 i = 0; i < numItems; i++)
  {
    UInt32 index = indices[i];
    const CAltStream &ss = Streams[index];
    FString destPath2 = destPath;
    if (!isDirectPath)
      destPath2 += us2fs(Get_Correct_FsFile_Name(ss.Name));
    FString srcPath;
    GetFullPath(ss, srcPath);
    RINOK(CopyStream(state, srcPath, fi, ss, destPath2, callback));
  }

  return S_OK;
}

bool DoesFileExist(LPCTSTR name)
{
  CFileInfo fi;
  return fi.Find(name) && !fi.IsDir();
}