HighFive 2.3.1
HighFive - Header-only C++ HDF5 interface
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H5Path_traits_misc.hpp
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1/*
2 * Copyright (c), 2020, EPFL - Blue Brain Project
3 *
4 * Distributed under the Boost Software License, Version 1.0.
5 * (See accompanying file LICENSE_1_0.txt or copy at
6 * http://www.boost.org/LICENSE_1_0.txt)
7 *
8 */
9#pragma once
10
11#include <H5Ipublic.h>
12
13#include "H5Utils.hpp"
14#include "H5Path_traits.hpp"
15
16namespace HighFive{
17
18template <typename Derivate>
20 static_assert(std::is_same<Derivate, Group>::value
21 || std::is_same<Derivate, DataSet>::value
22 || std::is_same<Derivate, Attribute>::value,
23 "PathTraits can only be applied to Group, DataSet and Attribute");
24 const auto& obj = static_cast<const Derivate&>(*this);
25 if(!obj.isValid()) {
26 return;
27 }
28 const hid_t file_id = H5Iget_file_id(obj.getId());
29 if (file_id < 0) {
30 HDF5ErrMapper::ToException<PropertyException>(
31 "getFile(): Could not obtain file of object");
32 }
33 _file_obj.reset(new File(file_id));
34}
35
36template <typename Derivate>
37inline std::string PathTraits<Derivate>::getPath() const {
38 return details::get_name([this](char* buffer, hsize_t length) {
39 return H5Iget_name(static_cast<const Derivate*>(this)->getId(), buffer, static_cast<size_t>(length));
40 });
41}
42
43template <typename Derivate>
44inline File& PathTraits<Derivate>::getFile() const noexcept {
45 return *_file_obj;
46}
47
48} // namespace HighFive
File class.
Definition: H5File.hpp:26
PathTraits()
Definition: H5Path_traits_misc.hpp:19
File & getFile() const noexcept
Return a reference to the File object this object belongs.
Definition: H5Path_traits_misc.hpp:44
std::string getPath() const
return the path to the current object
Definition: H5Path_traits_misc.hpp:37
Definition: H5_definitions.hpp:15