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94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file 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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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRYCOMMON_SERIALIZATION_BLACKBOX_H
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#define CRYINCLUDE_CRYCOMMON_SERIALIZATION_BLACKBOX_H
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#pragma once
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#include <stdlib.h> // for malloc and free
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namespace Serialization
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{
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// Black box is used to store opaque data blobs in a format internal to
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// specific Archive. For example it can be used to store sections of the JSON
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// or binary archive.
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//
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// This is useful for the Editor to store portions of files with unfamiliar
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// structure.
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//
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// We store deallocation function here so we can safely pass the blob
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// across DLLs with different memory allocators.
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struct SBlackBox
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{
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const char* format;
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void* data;
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size_t size;
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typedef void(* FreeFunction)(void*);
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FreeFunction freeFunction;
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SBlackBox()
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: format("")
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, data(0)
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, size(0)
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, freeFunction(0)
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{
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}
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SBlackBox(const SBlackBox& rhs)
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: format("")
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, data(0)
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, size(0)
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, freeFunction(0)
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{
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*this = rhs;
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}
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void set(const char* _format, const void* _data, size_t _size)
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{
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if (_data && freeFunction)
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{
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freeFunction(this->data);
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this->data = 0;
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this->size = 0;
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freeFunction = 0;
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}
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this->format = _format;
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if (_data && _size)
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{
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this->data = CryModuleMalloc(_size);
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memcpy(this->data, _data, _size);
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this->size = _size;
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freeFunction = &Free;
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}
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}
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SBlackBox& operator=(const SBlackBox& rhs)
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{
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set(rhs.format, rhs.data, rhs.size);
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return *this;
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}
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~SBlackBox()
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{
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set("", 0, 0);
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}
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static void Free(void* ptr)
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{
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CryModuleFree(ptr);
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}
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};
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}
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#endif // CRYINCLUDE_CRYCOMMON_SERIALIZATION_BLACKBOX_H
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