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