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swig/Lib/std/std_stack.i

+/**
+ * @file   std_stack.i
+ * @date   Sun May  6 01:48:07 2007
+ * 
+ * @brief  A wrapping of std::stack for Ruby.
+ * 
+ * 
+ */
+
+%include <std_container.i>
+
+// Stack
+
+%define %std_stack_methods(stack...)
+  stack();
+  stack( const _Sequence& );
+
+  bool empty() const;
+  size_type size() const;
+  const value_type& top() const;
+  void pop();
+  void push( const value_type& );
+%enddef
+
+%define %std_stack_methods_val(stack...) 
+  %std_stack_methods(stack)
+%enddef
+
+// ------------------------------------------------------------------------
+// std::stack
+// 
+// const declarations are used to guess the intent of the function being
+// exported; therefore, the following rationale is applied:
+// 
+//   -- f(std::stack<T>), f(const std::stack<T>&):
+//      the parameter being read-only, either a sequence or a
+//      previously wrapped std::stack<T> can be passed.
+//   -- f(std::stack<T>&), f(std::stack<T>*):
+//      the parameter may be modified; therefore, only a wrapped std::stack
+//      can be passed.
+//   -- std::stack<T> f(), const std::stack<T>& f():
+//      the stack is returned by copy; therefore, a sequence of T:s 
+//      is returned which is most easily used in other functions
+//   -- std::stack<T>& f(), std::stack<T>* f():
+//      the stack is returned by reference; therefore, a wrapped std::stack
+//      is returned
+//   -- const std::stack<T>* f(), f(const std::stack<T>*):
+//      for consistency, they expect and return a plain stack pointer.
+// ------------------------------------------------------------------------
+
+%{
+#include <stack>
+%}
+
+// exported classes
+
+namespace std {
+
+  template<class _Tp, class _Sequence = std::deque<_Tp> > 
+  class stack {
+  public:
+    typedef size_t size_type;
+    typedef _Tp value_type;
+    typedef value_type& reference;
+    typedef const value_type& const_reference;
+    typedef _Sequence container_type;
+
+    %traits_swigtype(_Tp);
+
+    %fragment(SWIG_Traits_frag(std::stack<_Tp, _Sequence >), "header",
+              fragment=SWIG_Traits_frag(_Tp),
+              fragment="StdStackTraits") {
+      namespace swig {
+        template <>  struct traits<std::stack<_Tp, _Sequence > > {
+          typedef pointer_category category;
+          static const char* type_name() {
+            return "std::stack<" #_Tp "," #_Sequence " >";
+          }
+        };
+      }
+    }
+
+    %typemap_traits_ptr(SWIG_TYPECHECK_STACK, std::stack<_Tp, _Sequence >);
+  
+#ifdef %swig_stack_methods
+    // Add swig/language extra methods
+    %swig_stack_methods(std::stack<_Tp, _Sequence >);
+#endif
+
+    %std_stack_methods(stack);
+  };
+
+  template<class _Tp, class _Sequence > 
+  class stack<_Tp*, _Sequence > {
+  public:
+    typedef size_t size_type;
+    typedef _Sequence::value_type value_type;
+    typedef value_type reference;
+    typedef value_type const_reference;
+    typedef _Sequence container_type;
+
+    %traits_swigtype(_Tp);
+
+    %fragment(SWIG_Traits_frag(std::stack<_Tp*, _Sequence >), "header",
+              fragment=SWIG_Traits_frag(_Tp),
+              fragment="StdStackTraits") {
+      namespace swig {
+        template <>  struct traits<std::stack<_Tp*, _Sequence > > {
+          typedef value_category category;
+          static const char* type_name() {
+            return "std::stack<" #_Tp "," #_Sequence " * >";
+          }
+        };
+      }
+    }
+
+    %typemap_traits_ptr(SWIG_TYPECHECK_STACK, std::stack<_Tp*, _Sequence >);
+
+#ifdef %swig_stack_methods_val
+    // Add swig/language extra methods
+    %swig_stack_methods_val(std::stack<_Tp*, _Sequence >);
+#endif
+
+    %std_stack_methods_val(std::stack<_Tp*, _Sequence >);
+  };
+
+}
+