shell/source/win32/ooofilereader/dummytag.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #ifndef INCLUDED_SHELL_SOURCE_WIN32_OOOFILEREADER_DUMMYTAG_HXX
  22 #define INCLUDED_SHELL_SOURCE_WIN32_OOOFILEREADER_DUMMYTAG_HXX
  23
  24 #include "itag.hxx"
  25
  26 /***************************   dummy tag readers   ***************************/
  27
  28 /** Implements the ITag interface but does
  29     nothing (Null object pattern), may be used for
  30     tags we are not interessted in to avoid if-else
  31     branches.
  32 */
  33 class CDummyTag : public ITag
  34 {
  35     public:
  36         virtual void startTag(){};
  37
  38         virtual void endTag(){};
  39
  40         virtual void addCharacters(const std::wstring& /*characters*/){};
  41
  42         virtual void addAttributes(const XmlTagAttributes_t& /*attributes*/){};
  43
  44         virtual std::wstring getTagContent()
  45         {
  46             return EMPTY_STRING;
  47         };
  48
  49         virtual ::std::wstring const getTagAttribute( ::std::wstring  const & /*attrname*/ ){ return ::std::wstring(EMPTY_STRING); };
  50 };
  51
  52
  53 #endif
  54
  55 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */