projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | // (C) Copyright Jeremy Siek 2004 |
| 2 | // Distributed under the Boost Software License, Version 1.0. (See | |
| 3 | // accompanying file LICENSE_1_0.txt or copy at | |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | #ifndef BOOST_QUEUE_HPP | |
| 7 | #define BOOST_QUEUE_HPP | |
| 8 | ||
| 9 | #include <deque> | |
| 10 | #include <algorithm> | |
| 11 | ||
| 12 | namespace boost { | |
| 13 | ||
| 14 | template <class _Tp, | |
| 15 | class _Sequence = std::deque<_Tp> > | |
| 16 | class queue; | |
| 17 | ||
| 18 | template <class _Tp, class _Seq> | |
| 19 | inline bool operator==(const queue<_Tp, _Seq>&, const queue<_Tp, _Seq>&); | |
| 20 | ||
| 21 | template <class _Tp, class _Seq> | |
| 22 | inline bool operator<(const queue<_Tp, _Seq>&, const queue<_Tp, _Seq>&); | |
| 23 | ||
| 24 | ||
| 25 | template <class _Tp, class _Sequence> | |
| 26 | class queue { | |
| 27 | ||
| 28 | #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS | |
| 29 | template <class _Tp1, class _Seq1> | |
| 30 | friend bool operator== (const queue<_Tp1, _Seq1>&, | |
| 31 | const queue<_Tp1, _Seq1>&); | |
| 32 | template <class _Tp1, class _Seq1> | |
| 33 | friend bool operator< (const queue<_Tp1, _Seq1>&, | |
| 34 | const queue<_Tp1, _Seq1>&); | |
| 35 | #endif | |
| 36 | public: | |
| 37 | typedef typename _Sequence::value_type value_type; | |
| 38 | typedef typename _Sequence::size_type size_type; | |
| 39 | typedef _Sequence container_type; | |
| 40 | ||
| 41 | typedef typename _Sequence::reference reference; | |
| 42 | typedef typename _Sequence::const_reference const_reference; | |
| 43 | #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS | |
| 44 | protected: | |
| 45 | #endif | |
| 46 | _Sequence c; | |
| 47 | public: | |
| 48 | queue() : c() {} | |
| 49 | explicit queue(const _Sequence& __c) : c(__c) {} | |
| 50 | ||
| 51 | bool empty() const { return c.empty(); } | |
| 52 | size_type size() const { return c.size(); } | |
| 53 | reference front() { return c.front(); } | |
| 54 | const_reference front() const { return c.front(); } | |
| 55 | reference top() { return c.front(); } | |
| 56 | const_reference top() const { return c.front(); } | |
| 57 | reference back() { return c.back(); } | |
| 58 | const_reference back() const { return c.back(); } | |
| 59 | void push(const value_type& __x) { c.push_back(__x); } | |
| 60 | void pop() { c.pop_front(); } | |
| 61 | ||
| 62 | void swap(queue& other) | |
| 63 | { | |
| 64 | using std::swap; | |
| 65 | swap(c, other.c); | |
| 66 | } | |
| 67 | }; | |
| 68 | ||
| 69 | template <class _Tp, class _Sequence> | |
| 70 | bool | |
| 71 | operator==(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 72 | { | |
| 73 | return __x.c == __y.c; | |
| 74 | } | |
| 75 | ||
| 76 | template <class _Tp, class _Sequence> | |
| 77 | bool | |
| 78 | operator<(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 79 | { | |
| 80 | return __x.c < __y.c; | |
| 81 | } | |
| 82 | ||
| 83 | template <class _Tp, class _Sequence> | |
| 84 | bool | |
| 85 | operator!=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 86 | { | |
| 87 | return !(__x == __y); | |
| 88 | } | |
| 89 | ||
| 90 | template <class _Tp, class _Sequence> | |
| 91 | bool | |
| 92 | operator>(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 93 | { | |
| 94 | return __y < __x; | |
| 95 | } | |
| 96 | ||
| 97 | template <class _Tp, class _Sequence> | |
| 98 | bool | |
| 99 | operator<=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 100 | { | |
| 101 | return !(__y < __x); | |
| 102 | } | |
| 103 | ||
| 104 | template <class _Tp, class _Sequence> | |
| 105 | bool | |
| 106 | operator>=(const queue<_Tp, _Sequence>& __x, const queue<_Tp, _Sequence>& __y) | |
| 107 | { | |
| 108 | return !(__x < __y); | |
| 109 | } | |
| 110 | ||
| 111 | template <class _Tp, class _Sequence> | |
| 112 | inline void | |
| 113 | swap(queue<_Tp, _Sequence>& __x, queue<_Tp, _Sequence>& __y) | |
| 114 | { __x.swap(__y); } | |
| 115 | ||
| 116 | } /* namespace boost */ | |
| 117 | ||
| 118 | #endif /* BOOST_QUEUE_HPP */ |