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1 | // Boost.Range library | |
2 | // | |
3 | // Copyright Thorsten Ottosen, Neil Groves 2006. Use, modification and | |
4 | // distribution is subject to the Boost Software License, Version | |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | // | |
8 | // For more information, see http://www.boost.org/libs/range/ | |
9 | // | |
10 | ||
11 | #ifndef BOOST_RANGE_ADAPTOR_COPIED_HPP | |
12 | #define BOOST_RANGE_ADAPTOR_COPIED_HPP | |
13 | ||
14 | #include <boost/range/adaptor/argument_fwd.hpp> | |
15 | #include <boost/range/adaptor/sliced.hpp> | |
16 | #include <boost/range/size_type.hpp> | |
17 | #include <boost/range/iterator_range.hpp> | |
18 | #include <boost/range/concepts.hpp> | |
19 | ||
20 | namespace boost | |
21 | { | |
22 | namespace adaptors | |
23 | { | |
24 | struct copied | |
25 | { | |
26 | copied(std::size_t t_, std::size_t u_) | |
27 | : t(t_), u(u_) {} | |
28 | ||
29 | std::size_t t; | |
30 | std::size_t u; | |
31 | }; | |
32 | ||
33 | template<class CopyableRandomAccessRange> | |
34 | inline CopyableRandomAccessRange | |
35 | operator|(const CopyableRandomAccessRange& r, const copied& f) | |
36 | { | |
37 | BOOST_RANGE_CONCEPT_ASSERT(( | |
38 | RandomAccessRangeConcept<const CopyableRandomAccessRange>)); | |
39 | ||
40 | iterator_range< | |
41 | BOOST_DEDUCED_TYPENAME range_iterator< | |
42 | const CopyableRandomAccessRange | |
43 | >::type | |
44 | > temp(adaptors::slice(r, f.t, f.u)); | |
45 | ||
46 | return CopyableRandomAccessRange(temp.begin(), temp.end()); | |
47 | } | |
48 | ||
49 | template<class CopyableRandomAccessRange> | |
50 | inline CopyableRandomAccessRange | |
51 | copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u) | |
52 | { | |
53 | BOOST_RANGE_CONCEPT_ASSERT(( | |
54 | RandomAccessRangeConcept<const CopyableRandomAccessRange>)); | |
55 | ||
56 | iterator_range< | |
57 | BOOST_DEDUCED_TYPENAME range_iterator< | |
58 | const CopyableRandomAccessRange | |
59 | >::type | |
60 | > temp(adaptors::slice(rng, t, u)); | |
61 | ||
62 | return CopyableRandomAccessRange( temp.begin(), temp.end() ); | |
63 | } | |
64 | } // 'adaptors' | |
65 | ||
66 | } | |
67 | ||
68 | #endif // include guard |