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79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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https://github.com/vinniefalco/LuaBridge
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Copyright 2012, Vinnie Falco <vinnie.falco@gmail.com>
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License: The MIT License (http://www.opensource.org/licenses/mit-license.php)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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//==============================================================================
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#pragma once
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namespace luabridge {
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/** Unique Lua registry keys for a class.
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Each registered class inserts three keys into the registry, whose
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values are the corresponding static, class, and const metatables. This
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allows a quick and reliable lookup for a metatable from a template type.
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*/
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template <class T>
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class ClassInfo
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{
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public:
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/** Get the key for the static table.
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The static table holds the static data members, static properties, and
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static member functions for a class.
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*/
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static void const* getStaticKey ()
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{
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static char value;
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return &value;
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}
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/** Get the key for the class table.
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The class table holds the data members, properties, and member functions
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of a class. Read-only data and properties, and const member functions are
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also placed here (to save a lookup in the const table).
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*/
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static void const* getClassKey ()
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{
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static char value;
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return &value;
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}
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/** Get the key for the const table.
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The const table holds read-only data members and properties, and const
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member functions of a class.
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*/
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static void const* getConstKey ()
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{
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static char value;
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return &value;
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}
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};
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} // namespace luabridge
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