mirror of
https://github.com/oatpp/oatpp.git
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106 lines
2.4 KiB
C++
106 lines
2.4 KiB
C++
/***************************************************************************
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*
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* Project _____ __ ____ _ _
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* ( _ ) /__\ (_ _)_| |_ _| |_
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* )(_)( /(__)\ )( (_ _)(_ _)
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* (_____)(__)(__)(__) |_| |_|
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*
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*
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* Copyright 2018-present, Leonid Stryzhevskyi, <lganzzzo@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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***************************************************************************/
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#ifndef oatpp_base_PtrWrapper
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#define oatpp_base_PtrWrapper
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#include "Controllable.hpp"
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namespace oatpp { namespace base {
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template<class T>
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class PtrWrapper {
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protected:
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std::shared_ptr<T> m_ptr;
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public:
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PtrWrapper() {}
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PtrWrapper(const std::shared_ptr<T>& ptr)
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: m_ptr(ptr)
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{}
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PtrWrapper(std::shared_ptr<T>&& ptr)
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: m_ptr(std::move(ptr))
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{}
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PtrWrapper(const PtrWrapper& other)
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: m_ptr(other.m_ptr)
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{}
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PtrWrapper(PtrWrapper&& other)
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: m_ptr(std::move(other.m_ptr))
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{}
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PtrWrapper& operator = (const PtrWrapper& other){
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m_ptr = other.m_ptr;
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return *this;
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}
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PtrWrapper& operator = (PtrWrapper&& other){
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m_ptr = std::move(other.m_ptr);
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return *this;
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}
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T* operator->() const {
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return m_ptr.operator->();
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}
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T* get() const {
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return m_ptr.get();
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}
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std::shared_ptr<T> getPtr() const {
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return m_ptr;
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}
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bool isNull() const {
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return m_ptr.get() == nullptr;
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}
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static const PtrWrapper& empty(){
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static PtrWrapper empty;
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return empty;
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}
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inline bool operator == (const PtrWrapper& other){
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return m_ptr.get() == other.m_ptr.get();
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}
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inline bool operator != (const PtrWrapper& other){
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return m_ptr.get() != other.m_ptr.get();
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}
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};
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template<class T, class F>
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inline PtrWrapper<T> static_wrapper_cast(const F& from){
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return PtrWrapper<T>(std::static_pointer_cast<T>(from.getPtr()));
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}
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}}
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#endif /* oatpp_base_PtrWrapper */
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