Pl_Discard.hh
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// Copyright (c) 2005-2021 Jay Berkenbilt
// Copyright (c) 2022-2025 Jay Berkenbilt and Manfred Holger
//
// 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
#include <qpdf/Pipeline.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().
class QPDF_DLL_CLASS Pl_Discard: public Pipeline
{
public:
QPDF_DLL
Pl_Discard();
QPDF_DLL
~Pl_Discard() override;
QPDF_DLL
void write(unsigned char const*, size_t) override;
QPDF_DLL
void finish() override;
};
#endif // PL_DISCARD_HH