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)
 *
 */
#pragma once
 
#include <exception>
#include <string>
#include <vector>
 
#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) {
    auto* data = static_cast<HighFiveIterateData*>(op_data);
    try {
        data->names.emplace_back(name);
        return 0;
    } catch (...) {
        data->err = new ObjectException("Exception during H5Iterate, abort listing");
    }
    return -1;
}
 
}  // namespace details
}  // namespace HighFive