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site_proxy.hh
1 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_CORE_CONCEPT_SITE_PROXY_HH
27 # define MLN_CORE_CONCEPT_SITE_PROXY_HH
28 
34 # include <mln/core/concept/proxy.hh>
35 # include <mln/metal/is_a.hh>
36 
37 
38 
39 namespace mln
40 {
41 
42 
43  // Fwd decl.
44  template <typename E> struct Site_Proxy;
45 
46 
48  template <>
49  struct Site_Proxy<void>
50  {
51  typedef Proxy<void> super;
52  };
53 
54 
60  template <typename E>
61  struct Site_Proxy : public Proxy<E>
62  {
63  typedef Site_Proxy<void> category;
64 
65  /*
66  typedef site;
67 
68  const site& to_site() const;
69  operator site() const;
70  */
71 
72  protected:
73  Site_Proxy();
74  };
75 
76 
77 # ifndef MLN_INCLUDE_ONLY
78 
79  template <typename E>
81  {
82  typedef mln_site(E) site;
83 
84  const site& (E::*m1)() const = & E::to_site;
85  m1 = 0;
86 
87  // De-activate because sometimes it returns a "const site&"...
88 // site (E::*m2)() const = & E::operator site;
89 // m2 = 0;
90  }
91 
92 # endif // ! MLN_INCLUDE_ONLY
93 
94 } // end of namespace mln
95 
96 
97 #endif // ! MLN_CORE_CONCEPT_SITE_PROXY_HH