mirror of
https://github.com/qpdf/qpdf.git
synced 2024-12-23 03:18:59 +00:00
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
// 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.
|
|
|
|
#ifndef PL_CONCATENATE_HH
|
|
#define PL_CONCATENATE_HH
|
|
|
|
// This pipeline will drop all regular finish calls rather than passing them onto next. To finish
|
|
// downstream streams, call manualFinish. This makes it possible to pipe multiple streams (e.g.
|
|
// with QPDFObjectHandle::pipeStreamData) to a downstream like Pl_Flate that can't handle multiple
|
|
// calls to finish().
|
|
|
|
#include <qpdf/Pipeline.hh>
|
|
|
|
class QPDF_DLL_CLASS Pl_Concatenate: public Pipeline
|
|
{
|
|
public:
|
|
QPDF_DLL
|
|
Pl_Concatenate(char const* identifier, Pipeline* next);
|
|
QPDF_DLL
|
|
~Pl_Concatenate() override;
|
|
|
|
QPDF_DLL
|
|
void write(unsigned char const* data, size_t len) override;
|
|
|
|
QPDF_DLL
|
|
void finish() override;
|
|
|
|
// At the very end, call manualFinish to actually finish the rest of the pipeline.
|
|
QPDF_DLL
|
|
void manualFinish();
|
|
|
|
private:
|
|
class QPDF_DLL_PRIVATE Members
|
|
{
|
|
friend class Pl_Concatenate;
|
|
|
|
public:
|
|
QPDF_DLL
|
|
~Members() = default;
|
|
|
|
private:
|
|
Members() = default;
|
|
Members(Members const&) = delete;
|
|
};
|
|
|
|
std::shared_ptr<Members> m;
|
|
};
|
|
|
|
#endif // PL_CONCATENATE_HH
|