mirror of
https://github.com/yuzu-emu/ext-boost.git
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158 lines
3.8 KiB
C++
158 lines
3.8 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2014-2014.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_DETAIL_ALGORITHM_HPP
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#define BOOST_CONTAINER_DETAIL_ALGORITHM_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/intrusive/detail/algorithm.hpp>
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namespace boost {
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namespace container {
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using boost::intrusive::algo_equal;
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using boost::intrusive::algo_lexicographical_compare;
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template<class Func>
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class binder1st
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{
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public:
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typedef typename Func::second_argument_type argument_type;
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typedef typename Func::result_type result_type;
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binder1st(const Func& func, const typename Func::first_argument_type& arg)
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: op(func), value(arg)
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{}
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result_type operator()(const argument_type& arg) const
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{ return op(value, arg); }
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result_type operator()(argument_type& arg) const
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{ return op(value, arg); }
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private:
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Func op;
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typename Func::first_argument_type value;
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};
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template<class Func, class T>
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inline binder1st<Func> bind1st(const Func& func, const T& arg)
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{ return boost::container::binder1st<Func>(func, arg); }
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template<class Func>
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class binder2nd
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{
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public:
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typedef typename Func::first_argument_type argument_type;
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typedef typename Func::result_type result_type;
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binder2nd(const Func& func, const typename Func::second_argument_type& arg)
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: op(func), value(arg)
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{}
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result_type operator()(const argument_type& arg) const
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{ return op(arg, value); }
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result_type operator()(argument_type& arg) const
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{ return op(arg, value); }
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private:
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Func op;
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typename Func::second_argument_type value;
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};
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template<class Func, class T>
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inline binder2nd<Func> bind2nd(const Func& func, const T& arg)
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{
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return (boost::container::binder2nd<Func>(func, arg));
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}
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template<class Func>
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class unary_negate
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{
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public:
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typedef typename Func::argument_type argument_type;
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typedef typename Func::result_type result_type;
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explicit unary_negate(const Func& func)
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: m_func(func)
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{}
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bool operator()(const typename Func::argument_type& arg) const
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{ return !m_func(arg); }
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private:
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Func m_func;
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};
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template<class Func> inline
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unary_negate<Func> not1(const Func& func)
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{
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return boost::container::unary_negate<Func>(func);
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}
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template<class InputIt, class UnaryPredicate>
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InputIt find_if(InputIt first, InputIt last, UnaryPredicate p)
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{
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for (; first != last; ++first) {
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if (p(*first)) {
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return first;
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}
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}
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return last;
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}
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template<class InputIt, class ForwardIt, class BinaryPredicate>
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InputIt find_first_of(InputIt first1, InputIt last1, ForwardIt first2, ForwardIt last2, BinaryPredicate p)
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{
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for (; first1 != last1; ++first1) {
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for (ForwardIt it = first2; it != last2; ++it) {
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if (p(*first1, *it)) {
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return first1;
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}
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}
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}
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return last1;
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}
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template<class ForwardIt1, class ForwardIt2, class BinaryPredicate>
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ForwardIt1 search(ForwardIt1 first1, ForwardIt1 last1,
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ForwardIt2 first2, ForwardIt2 last2, BinaryPredicate p)
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{
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for (; ; ++first1) {
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ForwardIt1 it = first1;
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for (ForwardIt2 it2 = first2; ; ++it, ++it2) {
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if (it2 == last2) {
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return first1;
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}
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if (it == last1) {
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return last1;
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}
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if (!p(*it, *it2)) {
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break;
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}
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}
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}
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}
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} //namespace container {
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} //namespace boost {
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#endif //#ifndef BOOST_CONTAINER_DETAIL_ALGORITHM_HPP
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