H5Iterables_misc.hpp

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/*
 *  Copyright (c), 2017, Adrien Devresse <adrien.devresse@epfl.ch>
 *
 *  Distributed under the Boost Software License, Version 1.0.
 *    (See accompanying file LICENSE_1_0.txt or copy at
 *          http://www.boost.org/LICENSE_1_0.txt)
 *
 */
#ifndef H5ITERABLE_MISC_HPP
#define H5ITERABLE_MISC_HPP

#include <exception>
#include <string>
#include <vector>

#include "../H5Exception.hpp"

#include <H5Ipublic.h>

namespace HighFive {

namespace details {

// iterator for H5 iterate

struct HighFiveIterateData {
    inline HighFiveIterateData(std::vector<std::string>& my_names)
        : names(my_names), err(NULL) {}

    std::vector<std::string>& names;
    std::exception* err;

    inline void throwIfError() {
        if (err) {
            throw * err;
        }
    }
};

template <typename InfoType>
inline herr_t internal_high_five_iterate(hid_t id, const char* name,
                                         const InfoType* info, void* op_data) {
    (void)id;
    (void)info;

    HighFiveIterateData* data = static_cast<HighFiveIterateData*>(op_data);
    try {
        data->names.push_back(name);
        return 0;
    } catch (...) {
        data->err =
            new ObjectException("Exception during H5Iterate, abort listing");
    }
    return -1;
}

} // end details
}

#endif // H5ITERABLE_MISC_HPP