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# Resource.hpp

    00001
    00002 //
    00003 // SFML - Simple and Fast Multimedia Library
    00004 // Copyright (C) 2007 Laurent Gomila (laurent.gom@gmail.com)
    00005 //
    00006 // This software is provided 'as-is', without any express or implied warranty.
    00007 // In no event will the authors be held liable for any damages arising from the use of this software.
    00008 //
    00009 // Permission is granted to anyone to use this software for any purpose,
    00010 // including commercial applications, and to alter it and redistribute it freely,
    00011 // subject to the following restrictions:
    00012 //
    00013 // 1. The origin of this software must not be misrepresented;
    00014 //    you must not claim that you wrote the original software.
    00015 //    If you use this software in a product, an acknowledgment
    00016 //    in the product documentation would be appreciated but is not required.
    00017 //
    00018 // 2. Altered source versions must be plainly marked as such,
    00019 //    and must not be misrepresented as being the original software.
    00020 //
    00021 // 3. This notice may not be removed or altered from any source distribution.
    00022 //
    00024
    00025 #ifndef SFML_RESOURCE_HPP
    00026 #define SFML_RESOURCE_HPP
    00027
    00029 // Headers
    00031 #include <set>
    00032
    00033
    00034 namespace sf
    00035 {
    00037 // These two classes are defined in the same header because
    00038 // they depend on each other. And as they're template classes,
    00039 // they must be entirely defined in header files, which
    00040 // prevents from proper separate compiling
    00042
    00043 template <typename> class ResourcePtr;
    00044
    00049 template <typename T>
    00050 class Resource
    00051 {
    00052 protected :
    00053
    00058     Resource();
    00059
    00066     Resource(const Resource<T>& Copy);
    00067
    00072     ~Resource();
    00073
    00082     Resource<T>& operator =(const Resource<T>& Other);
    00083
    00084 private :
    00085
    00086     friend class ResourcePtr<T>;
    00087
    00094     void Connect(ResourcePtr<T>& Observer) const;
    00095
    00102     void Disconnect(ResourcePtr<T>& Observer) const;
    00103
    00105     // Member data
    00107     mutable std::set<ResourcePtr<T>*> myObservers;
    00108 };
    00109
    00110
    00115 template <typename T>
    00116 class ResourcePtr
    00117 {
    00118 public :
    00119
    00124     ResourcePtr();
    00125
    00132     ResourcePtr(const T* Resource);
    00133
    00140     ResourcePtr(const ResourcePtr<T>& Copy);
    00141
    00146     ~ResourcePtr();
    00147
    00156     ResourcePtr<T>& operator =(const ResourcePtr<T>& Other);
    00157
    00166     ResourcePtr<T>& operator =(const T* Resource);
    00167
    00177     operator const T*() const;
    00178
    00185     const T& operator *() const;
    00186
    00193     const T* operator ->() const;
    00194
    00200     void OnResourceDestroyed();
    00201
    00202 private :
    00203
    00205     // Member data
    00207     const T* myResource;
    00208 };
    00209
    00210 #include <SFML/System/Resource.inl>
    00211 #include <SFML/System/ResourcePtr.inl>
    00212
    00213 } // namespace sf
    00214
    00215
    00216 #endif // SFML_RESOURCE_HPP

:: Copyright © 2007-2008 Laurent Gomila, all rights reserved :: Documentation generated by doxygen 1.5.2 ::