mirror of https://github.com/qpdf/qpdf.git
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright (c) 2005-2024 Jay Berkenbilt
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//
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// This file is part of qpdf.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under
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// the License.
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//
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// Versions of qpdf prior to version 7 were released under the terms of version 2.0 of the Artistic
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// License. At your option, you may continue to consider qpdf to be licensed under those terms.
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// Please see the manual for additional information.
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// End-of-line pipeline that simply writes its data to a stdio FILE* object.
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#ifndef PL_OSTREAM_HH
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#define PL_OSTREAM_HH
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#include <qpdf/Pipeline.hh>
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#include <iostream>
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//
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// This pipeline is reusable.
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//
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class QPDF_DLL_CLASS Pl_OStream: public Pipeline
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{
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public:
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// os is externally maintained; this class just writes to and flushes it. It does not close it.
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QPDF_DLL
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Pl_OStream(char const* identifier, std::ostream& os);
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QPDF_DLL
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~Pl_OStream() override;
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QPDF_DLL
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void write(unsigned char const* buf, size_t len) override;
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QPDF_DLL
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void finish() override;
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private:
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class QPDF_DLL_PRIVATE Members
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{
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friend class Pl_OStream;
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public:
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QPDF_DLL
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~Members() = default;
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private:
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Members(std::ostream&);
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Members(Members const&) = delete;
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std::ostream& os;
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};
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std::shared_ptr<Members> m;
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};
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#endif // PL_OSTREAM_HH
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