mirror of https://github.com/qpdf/qpdf.git
60 lines
2.0 KiB
C++
60 lines
2.0 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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#ifndef QPDF_BUFFERINPUTSOURCE_HH
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#define QPDF_BUFFERINPUTSOURCE_HH
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#include <qpdf/Buffer.hh>
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#include <qpdf/InputSource.hh>
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class QPDF_DLL_CLASS BufferInputSource: public InputSource
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{
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public:
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// If own_memory is true, BufferInputSource will delete the buffer when finished with it.
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// Otherwise, the caller owns the memory.
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QPDF_DLL
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BufferInputSource(std::string const& description, Buffer* buf, bool own_memory = false);
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QPDF_DLL
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BufferInputSource(std::string const& description, std::string const& contents);
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QPDF_DLL
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~BufferInputSource() override;
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QPDF_DLL
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qpdf_offset_t findAndSkipNextEOL() override;
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QPDF_DLL
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std::string const& getName() const override;
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QPDF_DLL
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qpdf_offset_t tell() override;
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QPDF_DLL
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void seek(qpdf_offset_t offset, int whence) override;
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QPDF_DLL
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void rewind() override;
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QPDF_DLL
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size_t read(char* buffer, size_t length) override;
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QPDF_DLL
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void unreadCh(char ch) override;
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private:
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bool own_memory;
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std::string description;
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Buffer* buf;
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qpdf_offset_t cur_offset;
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qpdf_offset_t max_offset;
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};
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#endif // QPDF_BUFFERINPUTSOURCE_HH
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