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encoding.hh
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
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25 
26 #ifndef MLN_VALUE_INTERNAL_ENCODING_HH
27 # define MLN_VALUE_INTERNAL_ENCODING_HH
28 
35 namespace mln
36 {
37 
38  namespace value
39  {
40 
41  namespace internal
42  {
43 
44 
45  template <unsigned n> struct encoding_unsigned_;
46 
47  template <> struct encoding_unsigned_<8> { typedef unsigned char ret; };
48  template <> struct encoding_unsigned_<16> { typedef unsigned short ret; };
49  template <> struct encoding_unsigned_<32> { typedef unsigned int ret; }; // FIXME!!!
50  template <> struct encoding_unsigned_<64> { typedef unsigned long ret; }; // FIXME!!!
51 
52  template <> struct encoding_unsigned_<99> { typedef void ret; }; // stopper
53 
54  template <unsigned n>
56  {
58  };
59 
60 
61 
62  template <unsigned n> struct encoding_signed_;
63 
64  template <> struct encoding_signed_<8> { typedef signed char ret; };
65  template <> struct encoding_signed_<16> { typedef signed short ret; };
66  template <> struct encoding_signed_<32> { typedef signed int ret; }; // FIXME!!!
67  template <> struct encoding_signed_<64> { typedef signed long ret; }; // FIXME!!!
68 
69  template <> struct encoding_signed_<99> { typedef void ret; }; // stopper
70 
71  template <unsigned n>
73  {
74  typedef typename encoding_signed_<n+1>::ret ret;
75  };
76 
77 
78  } // end of namespace mln::value::internal
79 
80  } // end of namespace mln::value
81 
82 } // end of namespace mln
83 
84 
85 #endif // ! MLN_VALUE_INTERNAL_ENCODING_HH