Buffer.hh
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// Copyright (c) 2005-2017 Jay Berkenbilt
//
// This file is part of qpdf. This software may be distributed under
// the terms of version 2 of the Artistic License which may be found
// in the source distribution. It is provided "as is" without express
// or implied warranty.
#ifndef __BUFFER_HH__
#define __BUFFER_HH__
#include <qpdf/DLL.h>
#include <cstring> // for size_t
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
~Buffer();
QPDF_DLL
size_t getSize() const;
QPDF_DLL
unsigned char const* getBuffer() const;
QPDF_DLL
unsigned char* getBuffer();
private:
void init(size_t size, unsigned char* buf, bool own_memory);
void copy(Buffer const&);
void destroy();
bool own_memory;
size_t size;
unsigned char* buf;
};
#endif // __BUFFER_HH__