| 0,0 → 1,130 |
|---|
| /* |
| * |
| * Copyright (c) 1994 |
| * Hewlett-Packard Company |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Hewlett-Packard Company makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * |
| * Copyright (c) 1996,1997 |
| * Silicon Graphics Computer Systems, Inc. |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Silicon Graphics makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| */ |
| |
| /* NOTE: This is an internal header file, included by other STL headers. |
| * You should not attempt to use it directly. |
| */ |
| |
| #ifndef __SGI_STL_INTERNAL_STACK_H |
| #define __SGI_STL_INTERNAL_STACK_H |
| |
| #include <bits/concept_check.h> |
| |
| namespace std |
| { |
| |
| // Forward declarations of operators == and <, needed for friend declaration. |
| |
| template <class _Tp, |
| class _Sequence = deque<_Tp> > |
| class stack; |
| |
| template <class _Tp, class _Seq> |
| bool operator==(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y); |
| |
| template <class _Tp, class _Seq> |
| bool operator<(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y); |
| |
| |
| template <class _Tp, class _Sequence> |
| class stack |
| { |
| // concept requirements |
| __glibcpp_class_requires(_Tp, _SGIAssignableConcept); |
| __glibcpp_class_requires(_Sequence, _BackInsertionSequenceConcept); |
| typedef typename _Sequence::value_type _Sequence_value_type; |
| __glibcpp_class_requires2(_Tp, _Sequence_value_type, _SameTypeConcept); |
| |
| template <class _Tp1, class _Seq1> |
| friend bool operator== (const stack<_Tp1, _Seq1>&, |
| const stack<_Tp1, _Seq1>&); |
| template <class _Tp1, class _Seq1> |
| friend bool operator< (const stack<_Tp1, _Seq1>&, |
| const stack<_Tp1, _Seq1>&); |
| public: |
| typedef typename _Sequence::value_type value_type; |
| typedef typename _Sequence::size_type size_type; |
| typedef _Sequence container_type; |
| |
| typedef typename _Sequence::reference reference; |
| typedef typename _Sequence::const_reference const_reference; |
| protected: |
| _Sequence c; |
| public: |
| stack() : c() {} |
| explicit stack(const _Sequence& __s) : c(__s) {} |
| |
| bool empty() const { return c.empty(); } |
| size_type size() const { return c.size(); } |
| reference top() { return c.back(); } |
| const_reference top() const { return c.back(); } |
| void push(const value_type& __x) { c.push_back(__x); } |
| void pop() { c.pop_back(); } |
| }; |
| |
| template <class _Tp, class _Seq> |
| bool operator==(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return __x.c == __y.c; |
| } |
| |
| template <class _Tp, class _Seq> |
| bool operator<(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return __x.c < __y.c; |
| } |
| |
| template <class _Tp, class _Seq> |
| bool operator!=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _Tp, class _Seq> |
| bool operator>(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return __y < __x; |
| } |
| |
| template <class _Tp, class _Seq> |
| bool operator<=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return !(__y < __x); |
| } |
| |
| template <class _Tp, class _Seq> |
| bool operator>=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) |
| { |
| return !(__x < __y); |
| } |
| |
| } // namespace std |
| |
| #endif /* __SGI_STL_INTERNAL_STACK_H */ |
| |
| // Local Variables: |
| // mode:C++ |
| // End: |