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o3de/Code/CryEngine/CryCommon/Serialization/BoostSharedPtr.h

103 lines
2.5 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#pragma once
#include <Serialization/Serializer.h>
#include "ClassFactory.h"
template <class T>
class BoostSharedPtrSerializer
: public Serialization::IPointer
{
public:
BoostSharedPtrSerializer(AZStd::shared_ptr<T>& ptr)
: m_ptr(ptr)
{
}
const char* registeredTypeName() const override
{
if (m_ptr)
{
return factoryOverride().getRegisteredTypeName(m_ptr.get());
}
else
{
return "";
}
}
void create(const char* registeredTypeName) const override
{
CRY_ASSERT(!m_ptr || m_ptr.use_count() == 1);
if (registeredTypeName && registeredTypeName[0] != '\0')
{
m_ptr.reset(factoryOverride().create(registeredTypeName));
}
else
{
m_ptr.reset();
}
}
Serialization::TypeID baseType() const override
{
return Serialization::TypeID::get<T>();
}
virtual Serialization::SStruct serializer() const override
{
return Serialization::SStruct(*m_ptr);
}
void* get() const
{
return reinterpret_cast<void*>(m_ptr.get());
}
const void* handle() const
{
return &m_ptr;
}
Serialization::TypeID pointerType() const override
{
return Serialization::TypeID::get<AZStd::shared_ptr<T> >();
}
Serialization::ClassFactory<T>* factory() const override
{
return &factoryOverride();
}
virtual Serialization::ClassFactory<T>& factoryOverride() const
{
return Serialization::ClassFactory<T>::the();
}
protected:
AZStd::shared_ptr<T>& m_ptr;
};
namespace AZStd
{
template <class T>
bool Serialize(Serialization::IArchive& ar, AZStd::shared_ptr<T>& ptr, const char* name, const char* label)
{
BoostSharedPtrSerializer<T> serializer(ptr);
return ar(static_cast<Serialization::IPointer&>(serializer), name, label);
}
}