luabind/detail/enum_maker.hpp

   1 // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23
  24 #ifndef LUABIND_ENUM_MAKER_HPP_INCLUDED
  25 #define LUABIND_ENUM_MAKER_HPP_INCLUDED
  26
  27 #include <vector>
  28 #include <string>
  29
  30 #include <luabind/config.hpp>
  31 #include <luabind/detail/class_rep.hpp>
  32
  33 namespace luabind
  34 {
  35         struct value;
  36
  37         struct value_vector : public std::vector<value>
  38         {
  39                 // a bug in intel's compiler forces us to declare these constructors explicitly.
  40                 value_vector();
  41                 virtual ~value_vector();
  42                 value_vector(const value_vector& v);
  43                 value_vector& operator,(const value& rhs);
  44         };
  45
  46         struct value
  47         {
  48         friend class std::vector<value>;
  49                 template<class T>
  50                 value(const char* name, T v)
  51                         : name_(name)
  52                         , val_(v)
  53                 {}
  54
  55                 const char* name_;
  56                 int val_;
  57
  58                 value_vector operator,(const value& rhs) const
  59                 {
  60                         value_vector v;
  61
  62                         v.push_back(*this);
  63                         v.push_back(rhs);
  64
  65                         return v;
  66                 }
  67
  68         private:
  69
  70                 value() {}
  71         };
  72
  73         inline value_vector::value_vector()
  74                 : std::vector<value>()
  75         {
  76         }
  77
  78         inline value_vector::~value_vector() {}
  79
  80         inline value_vector::value_vector(const value_vector& rhs)
  81                 : std::vector<value>(rhs)
  82         {
  83         }
  84
  85         inline value_vector& value_vector::operator,(const value& rhs)
  86         {
  87                 push_back(rhs);
  88                 return *this;
  89         }
  90
  91         namespace detail
  92         {
  93                 template<class From>
  94                 struct enum_maker
  95                 {
  96                         explicit enum_maker(From& from): from_(from) {}
  97
  98                         From& operator[](const value& val)
  99                         {
 100                                 from_.add_static_constant(val.name_, val.val_);
 101                                 return from_;
 102                         }
 103
 104                         From& operator[](const value_vector& values)
 105                         {
 106                                 for (value_vector::const_iterator i = values.begin(); i != values.end(); ++i)
 107                                 {
 108                                         from_.add_static_constant(i->name_, i->val_);
 109                                 }
 110
 111                                 return from_;
 112                         }
 113
 114                         From& from_;
 115
 116                 private:
 117                         template<class T> void operator,(T const&) const;
 118                 };
 119         }
 120 }
 121
 122 #endif // LUABIND_ENUM_MAKER_HPP_INCLUDED