HdfWriter.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
#include <hdf5.h>
 
#include <filesystem>
#include <map>
#include <memory>
#include <vector>
 
#include "HdfData.h"
 
namespace MeshLib::IO
{
using HDFAttributes = std::vector<HdfData>;
struct MeshHdfData
{
    HDFAttributes constant_attributes;
    HDFAttributes variable_attributes;
    std::string name;
};
 
class HdfWriter final
{
public:
    HdfWriter(std::vector<MeshHdfData> const& meshes,
              unsigned long long initial_step,
              double initial_time,
              std::filesystem::path const& filepath,
              bool use_compression,
              bool is_file_manager,
              unsigned int n_files);
    void writeStep(double time);
    ~HdfWriter();
 
private:
    // internal data holder
    struct HdfMesh;
 
    std::filesystem::path const _hdf5_filepath;
    hid_t const _file;
    hid_t const _meshes_group;
    std::vector<std::unique_ptr<HdfMesh>> _hdf_meshes;
    std::vector<double> _step_times;
    bool const _use_compression;
    bool const _is_file_manager;
};
}  // namespace MeshLib::IO