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// Copyright (c) 2005-2022 Jay Berkenbilt
//
// This file is part of qpdf.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Versions of qpdf prior to version 7 were released under the terms
// of version 2.0 of the Artistic License. At your option, you may
// continue to consider qpdf to be licensed under those terms. Please
// see the manual for additional information.
#ifndef BUFFER_HH
#define BUFFER_HH
#include <qpdf/DLL.h>
#include <qpdf/PointerHolder.hh>
#include <stddef.h>
class Buffer
{
public:
QPDF_DLL
Buffer();
// Create a Buffer object whose memory is owned by the class and
// will be freed when the Buffer object is destroyed.
QPDF_DLL
Buffer(size_t size);
// Create a Buffer object whose memory is owned by the caller and
// will not be freed when the Buffer is destroyed.
QPDF_DLL
Buffer(unsigned char* buf, size_t size);
QPDF_DLL
Buffer(Buffer const&);
QPDF_DLL
Buffer& operator=(Buffer const&);
QPDF_DLL
size_t getSize() const;
QPDF_DLL
unsigned char const* getBuffer() const;
QPDF_DLL
unsigned char* getBuffer();
private:
class Members
{
friend class Buffer;
public:
QPDF_DLL
~Members();
private:
Members(size_t size, unsigned char* buf, bool own_memory);
Members(Members const&);
bool own_memory;
size_t size;
unsigned char* buf;
};
void copy(Buffer const&);
PointerHolder<Members> m;
};
#endif // BUFFER_HH
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