C++ FString::Add_PathSepar方法代码示例

static bool DeleteEmptyFolderAndEmptySubFolders(const FString &path)
{
  NFind::CFileInfo fileInfo;
  FString pathPrefix = path;
  pathPrefix.Add_PathSepar();
  {
    NFind::CEnumerator enumerator;
    enumerator.SetDirPrefix(pathPrefix);
    while (enumerator.Next(fileInfo))
    {
      if (fileInfo.IsDir())
        if (!DeleteEmptyFolderAndEmptySubFolders(pathPrefix + fileInfo.Name))
          return false;
    }
  }
  /*
  // we don't need clear readonly for folders
  if (!SetFileAttrib(path, 0))
    return false;
  */
  return RemoveDir(path);
}

//.........这里部分代码省略.........
          if (si.Name.Len() > kPostfixSize + 1)
            si.Name.DeleteFrom(si.Name.Len() - kPostfixSize);
          Name += us2fs(si.Name);
          Size = si.Size;
          IsAltStream = true;
          return true;
        }
      }
    }
  }
  
  #endif

  CFindFile finder;

  #if defined(_WIN32) && !defined(UNDER_CE)
  {
    /*
    DWORD lastError = GetLastError();
    if (lastError == ERROR_FILE_NOT_FOUND
        || lastError == ERROR_BAD_NETPATH  // XP64: "\\Server\Share"
        || lastError == ERROR_BAD_NET_NAME // Win7: "\\Server\Share"
        || lastError == ERROR_INVALID_NAME // XP64: "\\?\UNC\Server\Share"
        || lastError == ERROR_BAD_PATHNAME // Win7: "\\?\UNC\Server\Share"
        )
    */
    
    unsigned rootSize = 0;
    if (IsSuperPath(path))
      rootSize = kSuperPathPrefixSize;
    
    if (NName::IsDrivePath(path + rootSize) && path[rootSize + 3] == 0)
    {
      DWORD attrib = GetFileAttrib(path);
      if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
      {
        ClearBase();
        Attrib = attrib;
        Name = path + rootSize;
        Name.DeleteFrom(2); // we don't need backslash (C:)
        return true;
      }
    }
    else if (IS_PATH_SEPAR(path[0]))
      if (path[1] == 0)
      {
        DWORD attrib = GetFileAttrib(path);
        if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
        {
          ClearBase();
          Name.Empty();
          Attrib = attrib;
          return true;
        }
      }
      else
      {
        const unsigned prefixSize = GetNetworkServerPrefixSize(path);
        if (prefixSize > 0 && path[prefixSize] != 0)
        {
          if (NName::FindSepar(path + prefixSize) < 0)
          {
            FString s = path;
            s.Add_PathSepar();
            s += FCHAR_ANY_MASK;
            
            bool isOK = false;
            if (finder.FindFirst(s, *this))
            {
              if (Name == FTEXT("."))
              {
                Name = path + prefixSize;
                return true;
              }
              isOK = true;
              /* if "\\server\share" maps to root folder "d:\", there is no "." item.
                 But it's possible that there are another items */
            }
            {
              DWORD attrib = GetFileAttrib(path);
              if (isOK || attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
              {
                ClearBase();
                if (attrib != INVALID_FILE_ATTRIBUTES)
                  Attrib = attrib;
                else
                  SetAsDir();
                Name = path + prefixSize;
                return true;
              }
            }
            // ::SetLastError(lastError);
          }
        }
      }
  }
  #endif

  return finder.FindFirst(path, *this);
}

DWORD CDirEnumerator::GetNextFile(NFind::CFileInfo &fi, bool &filled, FString &resPath)
{
  filled = false;
  resPath.Empty();

  for (;;)
  {
    #if defined(_WIN32) && !defined(UNDER_CE)
    bool isRootPrefix = (BasePrefix.IsEmpty() || (NName::IsSuperPath(BasePrefix) && BasePrefix[NName::kSuperPathPrefixSize] == 0));
    #endif

    if (Enumerators.IsEmpty())
    {
      if (Index >= FilePaths.Size())
        return S_OK;
      const FString &path = FilePaths[Index++];
      int pos = path.ReverseFind_PathSepar();
      if (pos >= 0)
        resPath.SetFrom(path, pos + 1);

      #if defined(_WIN32) && !defined(UNDER_CE)
      if (isRootPrefix && path.Len() == 2 && NName::IsDrivePath2(path))
      {
        // we use "c:" item as directory item
        fi.ClearBase();
        fi.Name = path;
        fi.SetAsDir();
        fi.Size = 0;
      }
      else
      #endif
      if (!fi.Find(BasePrefix + path))
      {
        DWORD error = GetNormalizedError();
        resPath = path;
        return error;
      }

      break;
    }

    bool found;

    if (Enumerators.Back().Next(fi, found))
    {
      if (found)
      {
        resPath = Prefixes.Back();
        break;
      }
    }
    else
    {
      DWORD error = GetNormalizedError();
      resPath = Prefixes.Back();
      Enumerators.DeleteBack();
      Prefixes.DeleteBack();
      return error;
    }

    Enumerators.DeleteBack();
    Prefixes.DeleteBack();
  }

  resPath += fi.Name;

  if (EnterToDirs && fi.IsDir())
  {
    FString s = resPath;
    s.Add_PathSepar();
    Prefixes.Add(s);
    s += FCHAR_ANY_MASK;
    Enumerators.Add(NFind::CEnumerator(BasePrefix + s));
  }
  filled = true;
  return S_OK;
}