text: #ifndef SHARED_MODELVIEWER_OPTIONPARSER_HPP
  #define SHARED_MODELVIEWER_OPTIONPARSER_HPP
  /****************************************************************************************************************************************************
   * Copyright (c) 2015 Freescale Semiconductor, Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *    * Redistributions of source code must retain the above copyright notice,
   *      this list of conditions and the following disclaimer.
   *
   *    * Redistributions in binary form must reproduce the above copyright notice,
   *      this list of conditions and the following disclaimer in the documentation
   *      and/or other materials provided with the distribution.
   *
   *    * Neither the name of the Freescale Semiconductor, Inc. nor the names of
   *      its contributors may be used to endorse or promote products derived from
   *      this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************************************************************************************/
  
  #include <FslBase/IO/Path.hpp>
  #include <FslDemoApp/Base/ADemoOptionParser.hpp>
  
  namespace Fsl
  {
    enum class MeshMode
    {
      SingleMesh = 0,
      MultipleMeshes = 1,
      Wireframe = 2
    };
  
    enum class ShaderMode
    {
      PerPixelTextured = 0,
      PerPixelNoTextures = 1,
      NoLightVertexColor = 2
    };
  
    class OptionParser : public ADemoOptionParser
    {
      int32_t m_scene;
      MeshMode m_meshMode{MeshMode::SingleMesh};
      ShaderMode m_shaderMode{ShaderMode::PerPixelTextured};
      IO::Path m_customModelPath;
  
    public:
      OptionParser();
      ~OptionParser() override;
  
      int32_t GetScene() const
      {
        return m_scene;
      }
  
      MeshMode GetMeshMode() const
      {
        return m_meshMode;
      }
  
      ShaderMode GetShaderMode() const
      {
        return m_shaderMode;
      }
  
      IO::Path GetCustomModelPath() const
      {
        return m_customModelPath;
      }
  
    protected:
      void OnArgumentSetup(std::deque<Option>& rOptions) override;
      OptionParseResult OnParse(const int32_t cmdId, const StringViewLite& strOptArg) override;
      bool OnParsingComplete() override;
    };
  }
  
  #endif
  