2017-08-22 01:18:28 +00:00
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// Copyright (c) 2005-2017 Jay Berkenbilt
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2008-04-29 12:55:25 +00:00
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//
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// This file is part of qpdf. This software may be distributed under
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// the terms of version 2 of the Artistic License which may be found
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// in the source distribution. It is provided "as is" without express
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// or implied warranty.
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#ifndef __BUFFER_HH__
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#define __BUFFER_HH__
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2009-10-19 20:17:14 +00:00
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#include <qpdf/DLL.h>
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2012-06-20 15:20:57 +00:00
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#include <cstring> // for size_t
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2009-08-06 19:00:25 +00:00
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2009-10-21 00:27:24 +00:00
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class Buffer
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2008-04-29 12:55:25 +00:00
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{
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public:
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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Buffer();
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2010-10-01 10:20:38 +00:00
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// Create a Buffer object whose memory is owned by the class and
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// will be freed when the Buffer object is destroyed.
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2012-06-20 15:20:57 +00:00
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Buffer(size_t size);
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2010-10-01 10:20:38 +00:00
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// Create a Buffer object whose memory is owned by the caller and
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// will not be freed when the Buffer is destroyed.
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QPDF_DLL
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2012-06-20 15:20:57 +00:00
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Buffer(unsigned char* buf, size_t size);
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2010-10-01 10:20:38 +00:00
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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Buffer(Buffer const&);
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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Buffer& operator=(Buffer const&);
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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~Buffer();
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2012-06-20 15:20:57 +00:00
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size_t getSize() const;
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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unsigned char const* getBuffer() const;
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2009-10-21 01:45:13 +00:00
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QPDF_DLL
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2008-04-29 12:55:25 +00:00
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unsigned char* getBuffer();
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private:
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void init(size_t size, unsigned char* buf, bool own_memory);
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2008-04-29 12:55:25 +00:00
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void copy(Buffer const&);
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void destroy();
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2010-10-01 10:20:38 +00:00
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bool own_memory;
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2012-06-20 15:20:57 +00:00
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size_t size;
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2008-04-29 12:55:25 +00:00
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unsigned char* buf;
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};
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#endif // __BUFFER_HH__
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