45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
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* Created by Phil Nash on 15/6/2018.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_SINGLETONS_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_SINGLETONS_HPP_INCLUDED
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namespace Catch {
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struct ISingleton {
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virtual ~ISingleton();
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};
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void addSingleton( ISingleton* singleton );
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void cleanupSingletons();
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template<typename SingletonImplT, typename InterfaceT = SingletonImplT, typename MutableInterfaceT = InterfaceT>
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class Singleton : SingletonImplT, public ISingleton {
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static auto getInternal() -> Singleton* {
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static Singleton* s_instance = nullptr;
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if( !s_instance ) {
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s_instance = new Singleton;
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addSingleton( s_instance );
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}
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return s_instance;
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}
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public:
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static auto get() -> InterfaceT const& {
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return *getInternal();
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}
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static auto getMutable() -> MutableInterfaceT& {
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return *getInternal();
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}
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};
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} // namespace Catch
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#endif // TWOBLUECUBES_CATCH_SINGLETONS_HPP_INCLUDED
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