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qpdf/include/qpdf/Pl_Discard.hh
2020-01-26 16:57:27 -05:00

63 lines
1.6 KiB
C++

// Copyright (c) 2005-2020 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 PL_DISCARD_HH
#define PL_DISCARD_HH
// This pipeline discards its output. It is an end-of-line pipeline
// (with no next).
// This pipeline is reusable; i.e., it is safe to call write() after
// calling finish().
#include <qpdf/Pipeline.hh>
class Pl_Discard: public Pipeline
{
public:
QPDF_DLL
Pl_Discard();
QPDF_DLL
virtual ~Pl_Discard();
QPDF_DLL
virtual void write(unsigned char*, size_t);
QPDF_DLL
virtual void finish();
private:
class Members
{
friend class Pl_Discard;
public:
QPDF_DLL
~Members();
private:
Members();
Members(Members const&);
};
PointerHolder<Members> m;
};
#endif // PL_DISCARD_HH