stack

/*      Copyright (C) 2004 Garrett A. Kajmowicz
	This file is part of the uClibc++ Library.
	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <basic_definitions>
#include <deque>

#ifndef __HEADER_STD_STACK
#define __HEADER_STD_STACK 1

#pragma GCC visibility push(default)

namespace std{

	template <class T, class Container = deque<T> > class _UCXXEXPORT stack{
	protected:
		Container c;

	public:
		typedef typename Container::value_type	value_type;
		typedef typename Container::size_type	size_type;
		typedef Container			container_type;

		explicit stack(const Container& a = Container()) : c(a) {  };
		bool empty() const { return c.empty(); }
		size_type size() const { return c.size(); }
		value_type&       top() { return c.back(); }
		const value_type& top() const { return c.back(); }
		void push(const value_type& x) { c.push_back(x); }
		void pop() { c.pop_back(); }

		bool operator==(const stack<T, Container> &x) const{
			return  x.c == c;
		}

	};


	template <class T, class Container> _UCXXEXPORT bool
		operator< (const stack<T, Container>& x, const stack<T, Container>& y)
	{
		return (x.c < y.c);
	}
	template <class T, class Container> _UCXXEXPORT bool
		operator!=(const stack<T, Container>& x, const stack<T, Container>& y)
	{
		return (x.c != y.c);
	}
	template <class T, class Container> _UCXXEXPORT bool
		operator> (const stack<T, Container>& x, const stack<T, Container>& y)
	{
		return (x.c > y.c);
	}
	template <class T, class Container> _UCXXEXPORT bool
		operator>=(const stack<T, Container>& x, const stack<T, Container>& y)
	{
		return (x.c >= y.c);
	}
	template <class T, class Container> _UCXXEXPORT bool
		operator<=(const stack<T, Container>& x, const stack<T, Container>& y)
	{
		return (x.c <= y.c);
	}

}

#pragma GCC visibility pop

#endif