363 lines
8.9 KiB
C++
363 lines
8.9 KiB
C++
// Default predicates for internal use -*- C++ -*-
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// Copyright (C) 2013-2018 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file predefined_ops.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly. @headername{algorithm}
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*/
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#ifndef _GLIBCXX_PREDEFINED_OPS_H
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#define _GLIBCXX_PREDEFINED_OPS_H 1
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namespace __gnu_cxx
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{
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namespace __ops
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{
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struct _Iter_less_iter
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{
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template<typename _Iterator1, typename _Iterator2>
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_GLIBCXX14_CONSTEXPR
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bool
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operator()(_Iterator1 __it1, _Iterator2 __it2) const
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{ return *__it1 < *__it2; }
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};
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_GLIBCXX14_CONSTEXPR
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inline _Iter_less_iter
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__iter_less_iter()
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{ return _Iter_less_iter(); }
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struct _Iter_less_val
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{
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#if __cplusplus >= 201103L
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constexpr _Iter_less_val() = default;
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#else
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_Iter_less_val() { }
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#endif
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explicit
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_Iter_less_val(_Iter_less_iter) { }
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template<typename _Iterator, typename _Value>
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bool
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operator()(_Iterator __it, _Value& __val) const
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{ return *__it < __val; }
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};
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inline _Iter_less_val
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__iter_less_val()
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{ return _Iter_less_val(); }
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inline _Iter_less_val
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__iter_comp_val(_Iter_less_iter)
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{ return _Iter_less_val(); }
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struct _Val_less_iter
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{
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#if __cplusplus >= 201103L
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constexpr _Val_less_iter() = default;
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#else
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_Val_less_iter() { }
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#endif
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explicit
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_Val_less_iter(_Iter_less_iter) { }
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template<typename _Value, typename _Iterator>
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bool
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operator()(_Value& __val, _Iterator __it) const
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{ return __val < *__it; }
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};
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inline _Val_less_iter
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__val_less_iter()
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{ return _Val_less_iter(); }
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inline _Val_less_iter
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__val_comp_iter(_Iter_less_iter)
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{ return _Val_less_iter(); }
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struct _Iter_equal_to_iter
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{
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template<typename _Iterator1, typename _Iterator2>
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bool
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operator()(_Iterator1 __it1, _Iterator2 __it2) const
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{ return *__it1 == *__it2; }
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};
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inline _Iter_equal_to_iter
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__iter_equal_to_iter()
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{ return _Iter_equal_to_iter(); }
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struct _Iter_equal_to_val
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{
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template<typename _Iterator, typename _Value>
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bool
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operator()(_Iterator __it, _Value& __val) const
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{ return *__it == __val; }
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};
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inline _Iter_equal_to_val
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__iter_equal_to_val()
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{ return _Iter_equal_to_val(); }
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inline _Iter_equal_to_val
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__iter_comp_val(_Iter_equal_to_iter)
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{ return _Iter_equal_to_val(); }
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template<typename _Compare>
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struct _Iter_comp_iter
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{
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_Compare _M_comp;
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explicit _GLIBCXX14_CONSTEXPR
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_Iter_comp_iter(_Compare __comp)
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: _M_comp(_GLIBCXX_MOVE(__comp))
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{ }
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template<typename _Iterator1, typename _Iterator2>
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_GLIBCXX14_CONSTEXPR
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bool
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operator()(_Iterator1 __it1, _Iterator2 __it2)
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{ return bool(_M_comp(*__it1, *__it2)); }
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};
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template<typename _Compare>
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_GLIBCXX14_CONSTEXPR
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inline _Iter_comp_iter<_Compare>
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__iter_comp_iter(_Compare __comp)
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{ return _Iter_comp_iter<_Compare>(_GLIBCXX_MOVE(__comp)); }
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template<typename _Compare>
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struct _Iter_comp_val
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{
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_Compare _M_comp;
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explicit
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_Iter_comp_val(_Compare __comp)
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: _M_comp(_GLIBCXX_MOVE(__comp))
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{ }
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explicit
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_Iter_comp_val(const _Iter_comp_iter<_Compare>& __comp)
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: _M_comp(__comp._M_comp)
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{ }
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#if __cplusplus >= 201103L
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explicit
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_Iter_comp_val(_Iter_comp_iter<_Compare>&& __comp)
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: _M_comp(std::move(__comp._M_comp))
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{ }
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#endif
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template<typename _Iterator, typename _Value>
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bool
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operator()(_Iterator __it, _Value& __val)
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{ return bool(_M_comp(*__it, __val)); }
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};
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template<typename _Compare>
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inline _Iter_comp_val<_Compare>
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__iter_comp_val(_Compare __comp)
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{ return _Iter_comp_val<_Compare>(_GLIBCXX_MOVE(__comp)); }
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template<typename _Compare>
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inline _Iter_comp_val<_Compare>
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__iter_comp_val(_Iter_comp_iter<_Compare> __comp)
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{ return _Iter_comp_val<_Compare>(_GLIBCXX_MOVE(__comp)); }
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template<typename _Compare>
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struct _Val_comp_iter
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{
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_Compare _M_comp;
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explicit
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_Val_comp_iter(_Compare __comp)
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: _M_comp(_GLIBCXX_MOVE(__comp))
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{ }
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explicit
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_Val_comp_iter(const _Iter_comp_iter<_Compare>& __comp)
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: _M_comp(__comp._M_comp)
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{ }
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#if __cplusplus >= 201103L
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explicit
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_Val_comp_iter(_Iter_comp_iter<_Compare>&& __comp)
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: _M_comp(std::move(__comp._M_comp))
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{ }
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#endif
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template<typename _Value, typename _Iterator>
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bool
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operator()(_Value& __val, _Iterator __it)
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{ return bool(_M_comp(__val, *__it)); }
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};
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template<typename _Compare>
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inline _Val_comp_iter<_Compare>
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__val_comp_iter(_Compare __comp)
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{ return _Val_comp_iter<_Compare>(_GLIBCXX_MOVE(__comp)); }
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template<typename _Compare>
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inline _Val_comp_iter<_Compare>
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__val_comp_iter(_Iter_comp_iter<_Compare> __comp)
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{ return _Val_comp_iter<_Compare>(_GLIBCXX_MOVE(__comp)); }
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template<typename _Value>
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struct _Iter_equals_val
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{
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_Value& _M_value;
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explicit
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_Iter_equals_val(_Value& __value)
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: _M_value(__value)
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{ }
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template<typename _Iterator>
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bool
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operator()(_Iterator __it)
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{ return *__it == _M_value; }
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};
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template<typename _Value>
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inline _Iter_equals_val<_Value>
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__iter_equals_val(_Value& __val)
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{ return _Iter_equals_val<_Value>(__val); }
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template<typename _Iterator1>
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struct _Iter_equals_iter
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{
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_Iterator1 _M_it1;
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explicit
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_Iter_equals_iter(_Iterator1 __it1)
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: _M_it1(__it1)
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{ }
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template<typename _Iterator2>
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bool
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operator()(_Iterator2 __it2)
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{ return *__it2 == *_M_it1; }
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};
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template<typename _Iterator>
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inline _Iter_equals_iter<_Iterator>
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__iter_comp_iter(_Iter_equal_to_iter, _Iterator __it)
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{ return _Iter_equals_iter<_Iterator>(__it); }
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template<typename _Predicate>
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struct _Iter_pred
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{
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_Predicate _M_pred;
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explicit
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_Iter_pred(_Predicate __pred)
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: _M_pred(_GLIBCXX_MOVE(__pred))
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{ }
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template<typename _Iterator>
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bool
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operator()(_Iterator __it)
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{ return bool(_M_pred(*__it)); }
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};
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template<typename _Predicate>
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inline _Iter_pred<_Predicate>
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__pred_iter(_Predicate __pred)
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{ return _Iter_pred<_Predicate>(_GLIBCXX_MOVE(__pred)); }
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template<typename _Compare, typename _Value>
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struct _Iter_comp_to_val
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{
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_Compare _M_comp;
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_Value& _M_value;
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_Iter_comp_to_val(_Compare __comp, _Value& __value)
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: _M_comp(_GLIBCXX_MOVE(__comp)), _M_value(__value)
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{ }
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template<typename _Iterator>
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bool
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operator()(_Iterator __it)
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{ return bool(_M_comp(*__it, _M_value)); }
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};
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template<typename _Compare, typename _Value>
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_Iter_comp_to_val<_Compare, _Value>
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__iter_comp_val(_Compare __comp, _Value &__val)
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{
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return _Iter_comp_to_val<_Compare, _Value>(_GLIBCXX_MOVE(__comp), __val);
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}
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template<typename _Compare, typename _Iterator1>
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struct _Iter_comp_to_iter
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{
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_Compare _M_comp;
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_Iterator1 _M_it1;
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_Iter_comp_to_iter(_Compare __comp, _Iterator1 __it1)
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: _M_comp(_GLIBCXX_MOVE(__comp)), _M_it1(__it1)
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{ }
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template<typename _Iterator2>
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bool
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operator()(_Iterator2 __it2)
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{ return bool(_M_comp(*__it2, *_M_it1)); }
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};
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template<typename _Compare, typename _Iterator>
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inline _Iter_comp_to_iter<_Compare, _Iterator>
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__iter_comp_iter(_Iter_comp_iter<_Compare> __comp, _Iterator __it)
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{
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return _Iter_comp_to_iter<_Compare, _Iterator>(
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_GLIBCXX_MOVE(__comp._M_comp), __it);
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}
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template<typename _Predicate>
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struct _Iter_negate
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{
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_Predicate _M_pred;
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explicit
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_Iter_negate(_Predicate __pred)
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: _M_pred(_GLIBCXX_MOVE(__pred))
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{ }
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template<typename _Iterator>
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bool
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operator()(_Iterator __it)
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{ return !bool(_M_pred(*__it)); }
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};
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template<typename _Predicate>
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inline _Iter_negate<_Predicate>
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__negate(_Iter_pred<_Predicate> __pred)
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{ return _Iter_negate<_Predicate>(_GLIBCXX_MOVE(__pred._M_pred)); }
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} // namespace __ops
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} // namespace __gnu_cxx
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#endif
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