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// Copyright (c) 2005-2013 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 __PL_COUNT_HH__
#define __PL_COUNT_HH__
// This pipeline is reusable; i.e., it is safe to call write() after
// calling finish().
#include <qpdf/Types.h>
#include <qpdf/Pipeline.hh>
class Pl_Count: public Pipeline
{
public:
QPDF_DLL
Pl_Count(char const* identifier, Pipeline* next);
QPDF_DLL
virtual ~Pl_Count();
QPDF_DLL
virtual void write(unsigned char*, size_t);
QPDF_DLL
virtual void finish();
// Returns the number of bytes written
QPDF_DLL
qpdf_offset_t getCount() const;
// Returns the last character written, or '\0' if no characters
// have been written (in which case getCount() returns 0)
QPDF_DLL
unsigned char getLastChar() const;
private:
qpdf_offset_t count;
unsigned char last_char;
};
#endif // __PL_COUNT_HH__
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