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// Copyright (c) 2005-2024 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.
// End-of-line pipeline that simply writes its data to a stdio FILE* object.
#ifndef PL_OSTREAM_HH
#define PL_OSTREAM_HH
#include <qpdf/Pipeline.hh>
#include <iostream>
//
// This pipeline is reusable.
//
class QPDF_DLL_CLASS Pl_OStream: public Pipeline
{
public:
// os is externally maintained; this class just writes to and flushes it. It does not close it.
QPDF_DLL
Pl_OStream(char const* identifier, std::ostream& os);
QPDF_DLL
~Pl_OStream() override;
QPDF_DLL
void write(unsigned char const* buf, size_t len) override;
QPDF_DLL
void finish() override;
private:
class QPDF_DLL_PRIVATE Members
{
friend class Pl_OStream;
public:
QPDF_DLL
~Members() = default;
private:
Members(std::ostream&);
Members(Members const&) = delete;
std::ostream& os;
};
std::shared_ptr<Members> m;
};
#endif // PL_OSTREAM_HH
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