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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/* Copyright (c) 2005-2013 Jay Berkenbilt
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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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*/
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#ifndef __PL_CONCATENATE_HH__
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#define __PL_CONCATENATE_HH__
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// This pipeline will drop all regular finished calls rather than
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// passing them onto next. To finish downstream streams, call
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// manualFinish. This makes it possible to pipe multiple streams
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// (e.g. with QPDFObjectHandle::pipeStreamData) to a downstream like
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// Pl_Flate that can't handle multiple calls to finish().
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#include <qpdf/Pipeline.hh>
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class Pl_Concatenate: public Pipeline
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{
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public:
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QPDF_DLL
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Pl_Concatenate(char const* identifier, Pipeline* next);
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QPDF_DLL
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virtual ~Pl_Concatenate();
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QPDF_DLL
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virtual void write(unsigned char* data, size_t len);
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QPDF_DLL
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virtual void finish();
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// At the very end, call manualFinish to actually finish the rest of
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// the pipeline.
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QPDF_DLL
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void manualFinish();
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};
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#endif // __PL_CONCATENATE_HH__
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