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complex_iterator_base.hh
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26 
27 #ifndef MLN_TOPO_INTERNAL_COMPLEX_ITERATOR_BASE_HH
28 # define MLN_TOPO_INTERNAL_COMPLEX_ITERATOR_BASE_HH
29 
58 # include <iosfwd>
59 # include <iostream>
60 
61 # include <mln/core/concept/iterator.hh>
62 # include <mln/topo/complex.hh>
63 
64 
65 namespace mln
66 {
67 
68  namespace topo
69  {
70 
71  namespace internal
72  {
73 
81  template <typename F, typename E>
82  class complex_iterator_base : public Iterator<E>
83  {
85 
86  public:
88  typedef F face;
89 
95  const face& subject() const;
97  operator const F&() const;
99 
100  protected:
103  };
104 
105 
107  template <typename F, typename E>
108  inline
109  std::ostream&
110  operator<<(std::ostream& ostr, const complex_iterator_base<F, E>& p);
111 
112 
113 
114 # ifndef MLN_INCLUDE_ONLY
115 
116  template <typename F, typename E>
117  inline
118  const F&
120  {
121  return f_;
122  }
123 
124  template <typename F, typename E>
125  inline
126  complex_iterator_base<F, E>::operator const F& () const
127  {
128  return f_;
129  }
130 
131 
132  template <typename F, typename E>
133  inline
134  std::ostream&
135  operator<<(std::ostream& ostr, const complex_iterator_base<F, E>& p)
136  {
137  return ostr << F(p);
138  }
139 
140 # endif // ! MLN_INCLUDE_ONLY
141 
142  } // end of namespace mln::topo::internal
143 
144  } // end of namespace mln::topo
145 
146 } // end of namespace mln
147 
148 #endif // ! MLN_TOPO_INTERNAL_COMPLEX_ITERATOR_BASE_HH