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1 | // |
2 | // Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com) | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | // | |
7 | ||
8 | #ifndef BEAST_TEST_BUFFER_TEST_HPP | |
9 | #define BEAST_TEST_BUFFER_TEST_HPP | |
10 | ||
11 | #include <beast/core/buffer_concepts.hpp> | |
12 | #include <boost/asio/buffer.hpp> | |
13 | #include <algorithm> | |
14 | #include <type_traits> | |
15 | ||
16 | namespace beast { | |
17 | namespace test { | |
18 | ||
19 | template<class ConstBufferSequence> | |
20 | typename std::enable_if< | |
21 | is_ConstBufferSequence<ConstBufferSequence>::value, | |
22 | std::size_t>::type | |
23 | buffer_count(ConstBufferSequence const& buffers) | |
24 | { | |
25 | return std::distance(buffers.begin(), buffers.end()); | |
26 | } | |
27 | ||
28 | template<class ConstBufferSequence> | |
29 | typename std::enable_if< | |
30 | is_ConstBufferSequence<ConstBufferSequence>::value, | |
31 | std::size_t>::type | |
32 | size_pre(ConstBufferSequence const& buffers) | |
33 | { | |
34 | std::size_t n = 0; | |
35 | for(auto it = buffers.begin(); it != buffers.end(); ++it) | |
36 | { | |
37 | typename ConstBufferSequence::const_iterator it0(std::move(it)); | |
38 | typename ConstBufferSequence::const_iterator it1(it0); | |
39 | typename ConstBufferSequence::const_iterator it2; | |
40 | it2 = it1; | |
41 | n += boost::asio::buffer_size(*it2); | |
42 | it = std::move(it2); | |
43 | } | |
44 | return n; | |
45 | } | |
46 | ||
47 | template<class ConstBufferSequence> | |
48 | typename std::enable_if< | |
49 | is_ConstBufferSequence<ConstBufferSequence>::value, | |
50 | std::size_t>::type | |
51 | size_post(ConstBufferSequence const& buffers) | |
52 | { | |
53 | std::size_t n = 0; | |
54 | for(auto it = buffers.begin(); it != buffers.end(); it++) | |
55 | n += boost::asio::buffer_size(*it); | |
56 | return n; | |
57 | } | |
58 | ||
59 | template<class ConstBufferSequence> | |
60 | typename std::enable_if< | |
61 | is_ConstBufferSequence<ConstBufferSequence>::value, | |
62 | std::size_t>::type | |
63 | size_rev_pre(ConstBufferSequence const& buffers) | |
64 | { | |
65 | std::size_t n = 0; | |
66 | for(auto it = buffers.end(); it != buffers.begin();) | |
67 | n += boost::asio::buffer_size(*--it); | |
68 | return n; | |
69 | } | |
70 | ||
71 | template<class ConstBufferSequence> | |
72 | typename std::enable_if< | |
73 | is_ConstBufferSequence<ConstBufferSequence>::value, | |
74 | std::size_t>::type | |
75 | size_rev_post(ConstBufferSequence const& buffers) | |
76 | { | |
77 | std::size_t n = 0; | |
78 | for(auto it = buffers.end(); it != buffers.begin();) | |
79 | { | |
80 | it--; | |
81 | n += boost::asio::buffer_size(*it); | |
82 | } | |
83 | return n; | |
84 | } | |
85 | ||
86 | } // test | |
87 | } // beast | |
88 | ||
89 | #endif |