1/*
2 *
3 * Copyright (c) 1994
4 * Hewlett-Packard Company
5 *
6 * Copyright (c) 1996,1997
7 * Silicon Graphics Computer Systems, Inc.
8 *
9 * Copyright (c) 1997
10 * Moscow Center for SPARC Technology
11 *
12 * Copyright (c) 1999
13 * Boris Fomitchev
14 *
15 * This material is provided "as is", with absolutely no warranty expressed
16 * or implied. Any use is at your own risk.
17 *
18 * Permission to use or copy this software for any purpose is hereby granted
19 * without fee, provided the above notices are retained on all copies.
20 * Permission to modify the code and to distribute modified code is granted,
21 * provided the above notices are retained, and a notice that the code was
22 * modified is included with the above copyright notice.
23 *
24 */
25
26/* NOTE: This is an internal header file, included by other STL headers.
27 *   You should not attempt to use it directly.
28 */
29
30#ifndef _STLP_INTERNAL_STACK_H
31#define _STLP_INTERNAL_STACK_H
32
33#ifndef _STLP_INTERNAL_DEQUE_H
34#  include <stl/_deque.h>
35#endif
36
37_STLP_BEGIN_NAMESPACE
38
39#if !defined ( _STLP_LIMITED_DEFAULT_TEMPLATES )
40template <class _Tp, class _Sequence = deque<_Tp> >
41#elif defined ( _STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS )
42#  define _STLP_STACK_ARGS _Tp
43template <class _Tp>
44#else
45template <class _Tp, class _Sequence>
46#endif
47class stack
48#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
49#  if defined (_STLP_STACK_ARGS)
50            : public __stlport_class<stack<_Tp> >
51#  else
52            : public __stlport_class<stack<_Tp, _Sequence> >
53#  endif
54#endif
55{
56#ifdef _STLP_STACK_ARGS
57  typedef deque<_Tp> _Sequence;
58  typedef stack<_Tp> _Self;
59#else
60  typedef stack<_Tp, _Sequence> _Self;
61#endif
62
63public:
64  typedef typename _Sequence::value_type      value_type;
65  typedef typename _Sequence::size_type       size_type;
66  typedef          _Sequence                  container_type;
67
68  typedef typename _Sequence::reference       reference;
69  typedef typename _Sequence::const_reference const_reference;
70protected:
71  //c is a Standard name (23.2.3.3), do no make it STLport naming convention compliant.
72  _Sequence c;
73public:
74  stack() : c() {}
75  explicit stack(const _Sequence& __s) : c(__s) {}
76
77#if !defined (_STLP_NO_MOVE_SEMANTIC)
78  stack(__move_source<_Self> src)
79    : c(_STLP_PRIV _AsMoveSource(src.get().c)) {}
80#endif
81
82  bool empty() const { return c.empty(); }
83  size_type size() const { return c.size(); }
84  reference top() { return c.back(); }
85  const_reference top() const { return c.back(); }
86  void push(const value_type& __x) { c.push_back(__x); }
87  void pop() { c.pop_back(); }
88  const _Sequence& _Get_s() const { return c; }
89#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
90  void _M_swap_workaround(_Self& __x) {
91    _Sequence __tmp = c;
92    c = __x.c;
93    __x.c = __tmp;
94  }
95#endif
96};
97
98#ifndef _STLP_STACK_ARGS
99#  define _STLP_STACK_ARGS _Tp, _Sequence
100#  define _STLP_STACK_HEADER_ARGS class _Tp, class _Sequence
101#else
102#  define _STLP_STACK_HEADER_ARGS class _Tp
103#endif
104
105template < _STLP_STACK_HEADER_ARGS >
106inline bool _STLP_CALL  operator==(const stack< _STLP_STACK_ARGS >& __x,
107                                   const stack< _STLP_STACK_ARGS >& __y)
108{ return __x._Get_s() == __y._Get_s(); }
109
110template < _STLP_STACK_HEADER_ARGS >
111inline bool _STLP_CALL  operator<(const stack< _STLP_STACK_ARGS >& __x,
112                                  const stack< _STLP_STACK_ARGS >& __y)
113{ return __x._Get_s() < __y._Get_s(); }
114
115_STLP_RELOPS_OPERATORS(template < _STLP_STACK_HEADER_ARGS >, stack< _STLP_STACK_ARGS >)
116
117#undef _STLP_STACK_ARGS
118#undef _STLP_STACK_HEADER_ARGS
119
120#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && !defined (_STLP_NO_MOVE_SEMANTIC)
121template <class _Tp, class _Sequence>
122struct __move_traits<stack<_Tp, _Sequence> > :
123  _STLP_PRIV __move_traits_aux<_Sequence>
124{};
125#endif
126
127_STLP_END_NAMESPACE
128
129#endif /* _STLP_INTERNAL_STACK_H */
130
131// Local Variables:
132// mode:C++
133// End:
134