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o3de/Code/CryEngine/CrySystem/XML/XMLBinaryReader.h

69 lines
2.2 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.
#ifndef CRYINCLUDE_CRYSYSTEM_XML_XMLBINARYREADER_H
#define CRYINCLUDE_CRYSYSTEM_XML_XMLBINARYREADER_H
#pragma once
#include "XMLBinaryHeaders.h"
#include "IXml.h"
#include "CryFile.h"
class CBinaryXmlData;
namespace XMLBinary
{
class XMLBinaryReader
{
public:
enum EResult
{
eResult_Success,
eResult_NotBinXml,
eResult_Error
};
enum EBufferMemoryHandling
{
eBufferMemoryHandling_MakeCopy,
eBufferMemoryHandling_TakeOwnership
};
public:
XMLBinaryReader();
~XMLBinaryReader();
XmlNodeRef LoadFromFile(const char* filename, EResult& result);
// Note: if bufferMemoryHandling == eBufferMemoryHandling_TakeOwnership and
// returned result is eResult_Success, then buffer's memory is owned and
// will be released by XMLBinaryReader (by a 'delete[] buffer' call).
// Otherwise, the caller is responsible for releasing buffer's memory.
XmlNodeRef LoadFromBuffer(EBufferMemoryHandling bufferMemoryHandling, const char* buffer, size_t size, EResult& result);
const char* GetErrorDescription() const;
private:
void Check(const char* buffer, size_t size, EResult& result);
void CheckHeader(const BinaryFileHeader& layout, size_t size, EResult& result);
CBinaryXmlData* Create(const char* buffer, size_t size, EResult& result);
void SetErrorDescription(const char* text);
private:
char m_errorDescription[64];
};
}
#endif // CRYINCLUDE_CRYSYSTEM_XML_XMLBINARYREADER_H