Extended MaximInterface
Dependents: mbed_DS28EC20_GPIO
Diff: Platforms/dotnet/DelegateWrapper.hpp
- Revision:
- 6:a8c83a2e6fa4
- Parent:
- 4:caf56f265a13
- Child:
- 7:471901a04573
--- a/Platforms/dotnet/DelegateWrapper.hpp Fri Jan 19 10:25:02 2018 -0600 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,118 +0,0 @@ -/******************************************************************************* -* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved. -* -* Permission is hereby granted, free of charge, to any person obtaining a -* copy of this software and associated documentation files (the "Software"), -* to deal in the Software without restriction, including without limitation -* the rights to use, copy, modify, merge, publish, distribute, sublicense, -* and/or sell copies of the Software, and to permit persons to whom the -* Software is furnished to do so, subject to the following conditions: -* -* The above copyright notice and this permission notice shall be included -* in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES -* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -* OTHER DEALINGS IN THE SOFTWARE. -* -* Except as contained in this notice, the name of Maxim Integrated -* Products, Inc. shall not be used except as stated in the Maxim Integrated -* Products, Inc. Branding Policy. -* -* The mere transfer of this software does not imply any licenses -* of trade secrets, proprietary technology, copyrights, patents, -* trademarks, maskwork rights, or any other form of intellectual -* property whatsoever. Maxim Integrated Products, Inc. retains all -* ownership rights. -*******************************************************************************/ - -#pragma once - -#include <msclr/marshal_cppstd.h> -#include <vcclr.h> - -namespace MaximInterface { -namespace detail { - -template <typename DelegateT> class DelegateWrapperBase { -public: - using Delegate = DelegateT; - -protected: - DelegateWrapperBase(Delegate ^ target) : target_(target) {} - ~DelegateWrapperBase() = default; - -public: - Delegate ^ target() const { return static_cast<Delegate ^>(target_); } - void setTarget(Delegate ^ target) { target_ = target; } - void swap(DelegateWrapperBase & other) { target_.swap(other.target_); } - explicit operator bool() const { return target() != nullptr; } - -private: - gcroot<Delegate ^> target_; -}; - -template <typename DelegateT> -inline void swap(DelegateWrapperBase<DelegateT> & lhs, - DelegateWrapperBase<DelegateT> & rhs) { - lhs.swap(rhs); -} - -template <typename R, typename... Args> -class DelegateWrapperImpl - : public DelegateWrapperBase<System::Func<Args..., R> > { -protected: - DelegateWrapperImpl(Delegate ^ target) : DelegateWrapperBase(target) {} - -public: - R operator()(Args... args) { return target()(args...); } -}; - -template <typename... Args> -class DelegateWrapperImpl<void, Args...> - : public DelegateWrapperBase<System::Action<Args...> > { -protected: - DelegateWrapperImpl(Delegate ^ target) : DelegateWrapperBase(target) {} - -public: - void operator()(Args... args) const { target()(args...); } -}; - -} // namespace detail - -/// @{ -/// Functor wrapper for .NET delegates. -template <typename> class DelegateWrapper; - -template <typename R, typename... Args> -class DelegateWrapper<R(Args...)> - : public detail::DelegateWrapperImpl<R, Args...> { -public: - DelegateWrapper(Delegate ^ target = nullptr) : DelegateWrapperImpl(target) {} -}; - -template <typename R, typename... Args> -class DelegateWrapper<R __clrcall(Args...)> - : public detail::DelegateWrapperImpl<R, Args...> { -public: - DelegateWrapper(Delegate ^ target = nullptr) : DelegateWrapperImpl(target) {} -}; -/// @} - -/// Wrapper for using a .NET delegate as a MaximInterface::WriteMessage. -class WriteMessageDelegateWrapper - : public DelegateWrapper<void(System::String ^)> { -public: - WriteMessageDelegateWrapper(Delegate ^ target = nullptr) - : DelegateWrapper(target) {} - - void operator()(const std::string & arg) const { - target()(msclr::interop::marshal_as<System::String ^>(arg)); - } -}; - -} // namespace MaximInterface \ No newline at end of file