/trunk/Lib/std/std_common.i

%include <std/std_except.i>

//
// Use the following macro with modern STL implementations
//
//#define SWIG_STD_MODERN_STL
//
// Use this to deactive the previous definition, when using gcc-2.95
// or similar old compilers.
//
//#define SWIG_STD_NOMODERN_STL

// Here, we identify compilers we know have problems with STL.
%{
#if defined(__GNUC__)
#  if __GNUC__ == 2 && __GNUC_MINOR <= 96
#     define SWIG_STD_NOMODERN_STL
#  endif
#endif
%}

//
// Common code for supporting the C++ std namespace
//

%{
#include <string>
#include <stdexcept>
#include <stddef.h>
%}


%fragment("StdIteratorTraits","header",fragment="<stddef.h>") %{
#if defined(__SUNPRO_CC) && defined(_RWSTD_VER)
#  if !defined(SWIG_NO_STD_NOITERATOR_TRAITS_STL)
#    define SWIG_STD_NOITERATOR_TRAITS_STL
#  endif
#endif

#if !defined(SWIG_STD_NOITERATOR_TRAITS_STL)
#include <iterator>
#else
namespace std {
  template <class Iterator>
  struct iterator_traits {
    typedef ptrdiff_t difference_type;
    typedef typename Iterator::value_type value_type;
  };

  template <class Iterator, class Category,class T, class Reference, class Pointer, class Distance>
  struct iterator_traits<__reverse_bi_iterator<Iterator,Category,T,Reference,Pointer,Distance> > {
    typedef Distance difference_type;
    typedef T value_type;
  };

  template <class T>
  struct iterator_traits<T*> {
    typedef T value_type;
    typedef ptrdiff_t difference_type;
  };

  template<typename _InputIterator>
  inline typename iterator_traits<_InputIterator>::difference_type
  distance(_InputIterator __first, _InputIterator __last)
  {
    typename iterator_traits<_InputIterator>::difference_type __n = 0;
    while (__first != __last) {
      ++__first; ++__n;
    }
    return __n;
  }
}
#endif
%}

%fragment("StdTraitsCommon","header") %{
namespace swig {  
  template <class Type>
  struct noconst_traits {
    typedef Type noconst_type;
  };

  template <class Type>
  struct noconst_traits<const Type> {
    typedef Type noconst_type;
  };

  /*
    type categories
  */
  struct pointer_category { };  
  struct value_category { };

  /*
    General traits that provides type_name and type_info
  */
  template <class Type> struct traits { };

  template <class Type>
  inline const char* type_name() {
    return traits<typename noconst_traits<Type >::noconst_type >::type_name();
  }

  template <class Type> 
  struct traits_info {
    static swig_type_info *type_query(std::string name) {
      name += " *";
      return SWIG_TypeQuery(name.c_str());
    }    
    static swig_type_info *type_info() {
      static swig_type_info *info = type_query(type_name<Type>());
      return info;
    }
  };

  template <class Type>
  inline swig_type_info *type_info() {
    return traits_info<Type>::type_info();
  }

  /*
    Partial specialization for pointers
  */
  template <class Type> struct traits <Type *> {
    typedef pointer_category category;
    static std::string make_ptr_name(const char* name) {
      std::string ptrname = name;
      ptrname += " *";
      return ptrname;
    }    
    static const char* type_name() {
      static std::string name = make_ptr_name(swig::type_name<Type>());
      return name.c_str();
    }
  };

  template <class Type, class Category> 
  struct traits_as { };
 
  template <class Type, class Category> 
  struct traits_check { };

}
%}
 
/*
  Generate the traits for a swigtype
*/

%define %traits_swigtype(Type...)
%fragment(SWIG_Traits_frag(Type),"header",fragment="StdTraits") {
  namespace swig {
    template <>  struct traits<Type > {
      typedef pointer_category category;
      static const char* type_name() { return  #Type; }
    };
  }
}
%enddef



/*
  Generate the typemaps for a class that has 'value' traits
*/

%define %typemap_traits(Code,Type...)
  %typemaps_asvalfrom(%arg(Code),
		     %arg(swig::asval<Type >),
		     %arg(swig::from),
		     %arg(SWIG_Traits_frag(Type)),
		     %arg(SWIG_Traits_frag(Type)),
		     Type);
%enddef

/*
  Generate the typemaps for a class that behaves more like a 'pointer' or
  plain wrapped Swigtype.
*/

%define %typemap_traits_ptr(Code,Type...)
  %typemaps_asptrfrom(%arg(Code),
		     %arg(swig::asptr),
		     %arg(swig::from),
		     %arg(SWIG_Traits_frag(Type)),
		     %arg(SWIG_Traits_frag(Type)),
		     Type);
%enddef


/*
  Equality methods
*/
%define %std_equal_methods(Type...)
%extend Type {
  bool operator == (const Type& v) {
    return *self == v;
  }
  
  bool operator != (const Type& v) {
    return *self != v;
  }  
}

%enddef

/*
  Order methods
*/

%define %std_order_methods(Type...)
%extend Type {
  bool operator > (const Type& v) {
    return *self > v;
  }
  
  bool operator < (const Type& v) {
    return *self < v;
  }

  bool operator >= (const Type& v) {
    return *self >= v;
  }

  bool operator <= (const Type& v) {
    return *self <= v;
  }
}
%enddef

/*
  Comparison methods
*/

%define %std_comp_methods(Type...)
%std_equal_methods(Type )
%std_order_methods(Type )
%enddef