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 <luabind/config.hpp>
28 #include <luabind/detail/class_rep.hpp>
29 
30 #include <vector>
31 #include <string>
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>
valueluabind::value50         value(const char* name, T v)
51             : name_(name)
52             , val_(static_cast<int>(v))
53         {
54             assert(static_cast<T>(val_) == v);
55         }
56 
57         const char* name_;
58         int val_;
59 
operator ,luabind::value60         value_vector operator,(const value& rhs) const
61         {
62             value_vector v;
63 
64             v.push_back(*this);
65             v.push_back(rhs);
66 
67             return v;
68         }
69 
70     private:
71 
valueluabind::value72         value() {}
73     };
74 
value_vector()75     inline value_vector::value_vector()
76         : std::vector<value>()
77     {
78     }
79 
~value_vector()80     inline value_vector::~value_vector() {}
81 
value_vector(const value_vector & rhs)82     inline value_vector::value_vector(const value_vector& rhs)
83         : std::vector<value>(rhs)
84     {
85     }
86 
operator ,(const value & rhs)87     inline value_vector& value_vector::operator,(const value& rhs)
88     {
89         push_back(rhs);
90         return *this;
91     }
92 
93     namespace detail
94     {
95         template<class From>
96         struct enum_maker
97         {
enum_makerluabind::detail::enum_maker98             explicit enum_maker(From& from): from_(from) {}
enum_makerluabind::detail::enum_maker99             enum_maker(enum_maker<From> const& rhs): from_(rhs.from_) {}
100 
operator []luabind::detail::enum_maker101             From& operator[](const value& val)
102             {
103                 from_.add_static_constant(val.name_, val.val_);
104                 return from_;
105             }
106 
operator []luabind::detail::enum_maker107             From& operator[](const value_vector& values)
108             {
109                 for (value_vector::const_iterator i = values.begin(); i != values.end(); ++i)
110                 {
111                     from_.add_static_constant(i->name_, i->val_);
112                 }
113 
114                 return from_;
115             }
116 
117             From& from_;
118 
119         private:
120             void operator=(enum_maker const&); // C4512, assignment operator could not be generated
121             template<class T> void operator,(T const&) const;
122         };
123     }
124 }
125 
126 #endif // LUABIND_ENUM_MAKER_HPP_INCLUDED
127