luabind/scope.hpp

   1 // Copyright (c) 2004 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 #ifndef NEW_SCOPE_040211_HPP
  24 #define NEW_SCOPE_040211_HPP
  25
  26 #include <luabind/prefix.hpp>
  27 #include <luabind/lua_include.hpp>
  28 #include <memory>
  29
  30 namespace luabind {
  31
  32     struct scope;
  33
  34 } // namespace luabind
  35
  36 namespace luabind { namespace detail {
  37
  38     struct registration
  39     {
  40         registration();
  41         virtual ~registration();
  42
  43     protected:
  44         virtual void register_(lua_State*) const = 0;
  45
  46     private:
  47         friend struct scope;
  48         registration* m_next;
  49     };
  50
  51 }} // namespace luabind::detail
  52
  53 namespace luabind {
  54
  55     struct scope
  56     {
  57         scope();
  58         explicit scope(std::auto_ptr<detail::registration> reg);
  59         scope(scope const& other_);
  60         ~scope();
  61
  62         scope& operator,(scope s);
  63
  64         void register_(lua_State* L) const;
  65
  66     private:
  67         detail::registration* m_chain;
  68     };
  69
  70     class namespace_ : public scope
  71     {
  72     public:
  73         explicit namespace_(char const* name);
  74         namespace_& operator[](scope s);
  75
  76     private:
  77         struct registration_;
  78         registration_* m_registration;
  79     };
  80
  81     class module_
  82     {
  83     public:
  84         module_(lua_State* L_, char const* name);
  85         void operator[](scope s);
  86
  87     private:
  88         lua_State* m_state;
  89         char const* m_name;
  90     };
  91
  92     inline module_ module(lua_State* L, char const* name = 0)
  93     {
  94         return module_(L, name);
  95     }
  96
  97 } // namespace luabind
  98
  99 #endif // NEW_SCOPE_040211_HPP
 100