ReclaimVlsMemory.hpp

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#ifndef RITSUKO_HDF5_RECLAIM_VLS_MEMORY_HPP
#define RITSUKO_HDF5_RECLAIM_VLS_MEMORY_HPP
 
#include <type_traits>
 
#include "H5Cpp.h"
 
namespace ritsuko {
 
namespace hdf5 {
 
template<
    class DataTypePointer_ = H5::DataType*,
    class DataSpacePointer_ = H5::DataSpace*,
    class DSetMemXferPropListPointer_ = H5::DSetMemXferPropList*
>
class ReclaimVlsMemory  {
public:
    ReclaimVlsMemory(
        DataTypePointer_ type_ptr,
        DataSpacePointer_ space_ptr,
        DSetMemXferPropListPointer_ plist_ptr,
        char** buffer
    ) : 
        my_type_ptr(std::move(type_ptr)),
        my_space_ptr(std::move(space_ptr)),
        my_plist_ptr(std::move(plist_ptr)),
        my_buffer(buffer)
    {}
 
    ~ReclaimVlsMemory() {
        H5Dvlen_reclaim(my_type_ptr->getId(), my_space_ptr->getId(), my_plist_ptr->getId(), my_buffer);
    }
private:
    DataTypePointer_ my_type_ptr;
    DataSpacePointer_ my_space_ptr;
    DSetMemXferPropListPointer_ my_plist_ptr;
    char** my_buffer; 
 
    static_assert(std::is_base_of<H5::DataType, I<decltype(*my_type_ptr)> >::value);
    static_assert(std::is_base_of<H5::DataSpace, I<decltype(*my_space_ptr)> >::value);
    static_assert(std::is_base_of<H5::DSetMemXferPropList, I<decltype(*my_plist_ptr)> >::value);
};
 
}
 
}
 
#endif