diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/qpdf/Pl_OStream.hh | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/qpdf/Pl_OStream.hh b/include/qpdf/Pl_OStream.hh new file mode 100644 index 00000000..01cede8b --- /dev/null +++ b/include/qpdf/Pl_OStream.hh @@ -0,0 +1,69 @@ +// Copyright (c) 2005-2022 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 + virtual ~Pl_OStream(); + + QPDF_DLL + virtual void write(unsigned char const* buf, size_t len); + QPDF_DLL + virtual void finish(); + + 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 |