86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/stack.h
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// Purpose: STL stack clone
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// Author: Lindsay Mathieson, Vadim Zeitlin
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// Created: 30.07.2001
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// Copyright: (c) 2001 Lindsay Mathieson <lindsay@mathieson.org> (WX_DECLARE_STACK)
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// 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_STACK_H_
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#define _WX_STACK_H_
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#include "wx/vector.h"
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#if wxUSE_STD_CONTAINERS
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#include <stack>
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#define wxStack std::stack
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#else // !wxUSE_STD_CONTAINERS
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// Notice that unlike std::stack, wxStack currently always uses wxVector and
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// can't be used with any other underlying container type.
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//
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// Another difference is that comparison operators between stacks are not
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// implemented (but they should be, see 23.2.3.3 of ISO/IEC 14882:1998).
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template <typename T>
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class wxStack
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{
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public:
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typedef wxVector<T> container_type;
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typedef typename container_type::size_type size_type;
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typedef typename container_type::value_type value_type;
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wxStack() { }
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explicit wxStack(const container_type& cont) : m_cont(cont) { }
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// Default copy ctor, assignment operator and dtor are ok.
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bool empty() const { return m_cont.empty(); }
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size_type size() const { return m_cont.size(); }
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value_type& top() { return m_cont.back(); }
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const value_type& top() const { return m_cont.back(); }
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void push(const value_type& val) { m_cont.push_back(val); }
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void pop() { m_cont.pop_back(); }
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private:
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container_type m_cont;
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};
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#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS
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// Deprecated macro-based class for compatibility only, don't use any more.
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#define WX_DECLARE_STACK(obj, cls) \
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class cls : public wxVector<obj> \
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{\
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public:\
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void push(const obj& o)\
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{\
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push_back(o); \
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};\
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\
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void pop()\
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{\
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pop_back(); \
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};\
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\
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obj& top()\
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{\
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return at(size() - 1);\
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};\
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const obj& top() const\
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{\
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return at(size() - 1); \
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};\
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}
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#endif // _WX_STACK_H_
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