70 lines
1.2 KiB
C++
70 lines
1.2 KiB
C++
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// ptr_stack.hpp
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// Copyright (c) 2005-2012 Ben Hanson (http://www.benhanson.net/)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef LEXERTL_PTR_STACK_HPP
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#define LEXERTL_PTR_STACK_HPP
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#include <stack>
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namespace lexertl
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{
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namespace detail
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{
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template<typename ptr_type>
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class ptr_stack
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{
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public:
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typedef std::stack<ptr_type *> stack;
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ptr_stack () :
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_stack ()
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{
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}
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~ptr_stack ()
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{
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clear ();
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}
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stack *operator -> ()
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{
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return &_stack;
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}
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const stack *operator -> () const
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{
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return &_stack;
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}
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stack &operator * ()
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{
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return _stack;
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}
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const stack &operator * () const
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{
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return _stack;
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}
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void clear ()
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{
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while (!_stack.empty ())
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{
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delete _stack.top ();
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_stack.pop ();
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}
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}
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private:
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stack _stack;
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ptr_stack (const ptr_stack &); // No copy construction.
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ptr_stack &operator = (const ptr_stack &); // No assignment.
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};
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}
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}
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#endif
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