]>
Commit | Line | Data |
---|---|---|
9be25986 | 1 | /* A range adapter that wraps begin / end iterators. |
213516ef | 2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
9be25986 SM |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef GDBSUPPORT_ITERATOR_RANGE_H | |
20 | #define GDBSUPPORT_ITERATOR_RANGE_H | |
21 | ||
22 | /* A wrapper that allows using ranged for-loops on a range described by two | |
23 | iterators. */ | |
24 | ||
25 | template <typename IteratorType> | |
26 | struct iterator_range | |
27 | { | |
28 | using iterator = IteratorType; | |
29 | ||
30 | /* Create an iterator_range using BEGIN as the begin iterator. | |
31 | ||
32 | Assume that the end iterator can be default-constructed. */ | |
33 | template <typename... Args> | |
34 | iterator_range (Args &&...args) | |
35 | : m_begin (std::forward<Args> (args)...) | |
36 | {} | |
37 | ||
38 | /* Create an iterator range using explicit BEGIN and END iterators. */ | |
39 | template <typename... Args> | |
40 | iterator_range (IteratorType begin, IteratorType end) | |
41 | : m_begin (std::move (begin)), m_end (std::move (end)) | |
42 | {} | |
43 | ||
44 | /* Need these as the variadic constructor would be a better match | |
45 | otherwise. */ | |
46 | iterator_range (iterator_range &) = default; | |
47 | iterator_range (const iterator_range &) = default; | |
48 | iterator_range (iterator_range &&) = default; | |
49 | ||
50 | IteratorType begin () const | |
51 | { return m_begin; } | |
52 | ||
53 | IteratorType end () const | |
54 | { return m_end; } | |
55 | ||
cbda14de AB |
56 | /* The number of items in this iterator_range. */ |
57 | std::size_t size () const | |
58 | { return std::distance (m_begin, m_end); } | |
59 | ||
9be25986 SM |
60 | private: |
61 | IteratorType m_begin, m_end; | |
62 | }; | |
63 | ||
64 | #endif /* GDBSUPPORT_ITERATOR_RANGE_H */ |