foamGltfSceneWriter.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::glTF::sceneWriter
 
Description
    Wrapper for glTF scene for file output
 
SourceFiles
    foamGltfSceneWriter.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_gltf_sceneWriter_H
#define Foam_gltf_sceneWriter_H
 
#include "autoPtr.H"
#include "fileName.H"
#include "foamGltfScene.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class OFstream;
 
namespace glTF
{
 
/*---------------------------------------------------------------------------*\
                     Class glTF::sceneWriter Declaration
\*---------------------------------------------------------------------------*/
 
class sceneWriter
{
    // Private Data
 
        //- The backend output stream (json)
        autoPtr<OFstream> ofile_;
 
        //- The scene to output
        autoPtr<glTF::scene> scene_;
 
 
public:
 
    // Generated Methods
 
        //- No copy construct
        sceneWriter(const sceneWriter&) = delete;
 
        //- No copy assignment
        void operator=(const sceneWriter&) = delete;
 
 
    // Constructors
 
        //- Default construct
        sceneWriter() = default;
 
        //- Construct and open with given file name
        explicit sceneWriter(const fileName& outputFile);
 
 
    //- Destructor - calls close()
    ~sceneWriter();
 
 
    // Member Functions
 
        //- True if output file and scene exist
        bool valid() const noexcept;
 
        //- The json file name. Empty with !valid()
        const fileName& path() const;
 
        //- Const access to the scene. Error if valid() is not true!
        const scene& getScene() const;
 
        //- Non-const access to the scene. Error if valid() is not true!
        scene& getScene();
 
 
        //- Flush, output and open a new file for output
        void open(const fileName& outputFile);
 
        //- Write scene and close file
        void close();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace glTF
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //