mirror of https://github.com/CGAL/cgal
128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/*
|
|
*
|
|
* Copyright (c) 1994
|
|
* Hewlett-Packard Company
|
|
*
|
|
* Copyright (c) 1996,1997
|
|
* Silicon Graphics Computer Systems, Inc.
|
|
*
|
|
* Copyright (c) 1997
|
|
* Moscow Center for SPARC Technology
|
|
*
|
|
* Copyright (c) 1999
|
|
* Boris Fomitchev
|
|
*
|
|
* This material is provided "as is", with absolutely no warranty expressed
|
|
* or implied. Any use is at your own risk.
|
|
*
|
|
* Permission to use or copy this software for any purpose is hereby granted
|
|
* without fee, provided the above notices are retained on all copies.
|
|
* Permission to modify the code and to distribute modified code is granted,
|
|
* provided the above notices are retained, and a notice that the code was
|
|
* modified is included with the above copyright notice.
|
|
*
|
|
*/
|
|
|
|
/* 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
|
|
|
|
__STL_BEGIN_NAMESPACE
|
|
|
|
# if !defined ( __STL_LIMITED_DEFAULT_TEMPLATES )
|
|
template <class _Tp, class _Sequence = deque<_Tp> >
|
|
# elif defined ( __STL_MINIMUM_DEFAULT_TEMPLATE_PARAMS )
|
|
# define __STL_STACK_ARGS _Tp
|
|
template <class _Tp>
|
|
# else
|
|
template <class _Tp, class _Sequence>
|
|
# endif
|
|
class stack {
|
|
|
|
# ifdef __STL_STACK_ARGS
|
|
typedef deque<_Tp> _Sequence;
|
|
# endif
|
|
|
|
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(); }
|
|
const _Sequence& _Get_c() const { return c; }
|
|
};
|
|
|
|
# ifndef __STL_STACK_ARGS
|
|
# define __STL_STACK_ARGS _Tp, _Sequence
|
|
# define __STL_STACK_HEADER_ARGS class _Tp, class _Sequence
|
|
# else
|
|
# define __STL_STACK_HEADER_ARGS class _Tp
|
|
# endif
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator==(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return __x._Get_c() == __y._Get_c();
|
|
}
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator<(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return __x._Get_c() < __y._Get_c();
|
|
}
|
|
|
|
#ifdef __STL_USE_SEPARATE_RELOPS_NAMESPACE
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator!=(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator>(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator<=(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template < __STL_STACK_HEADER_ARGS >
|
|
inline bool operator>=(const stack< __STL_STACK_ARGS >& __x, const stack< __STL_STACK_ARGS >& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
#endif /* __STL_USE_SEPARATE_RELOPS_NAMESPACE */
|
|
|
|
__STL_END_NAMESPACE
|
|
|
|
# undef __STL_STACK_ARGS
|
|
# undef __STL_STACK_HEADER_ARGS
|
|
|
|
#endif /* __SGI_STL_INTERNAL_STACK_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|