mirror of
https://github.com/RGBCube/serenity
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87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Peter Elliott <pelliott@ualberta.ca>
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Span.h>
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#include <AK/Stream.h>
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#include <LibArchive/Tar.h>
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namespace Archive {
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class TarInputStream;
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class TarFileStream : public InputStream {
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public:
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size_t read(Bytes) override;
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bool unreliable_eof() const override;
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bool read_or_error(Bytes) override;
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bool discard_or_error(size_t count) override;
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private:
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TarFileStream(TarInputStream& stream);
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TarInputStream& m_tar_stream;
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int m_generation;
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friend class TarInputStream;
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};
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class TarInputStream {
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public:
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TarInputStream(InputStream&);
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void advance();
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bool finished() const { return m_finished; }
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bool valid() const;
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const TarFileHeader& header() const { return m_header; }
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TarFileStream file_contents();
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private:
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TarFileHeader m_header;
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InputStream& m_stream;
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unsigned long m_file_offset { 0 };
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int m_generation { 0 };
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bool m_finished { false };
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friend class TarFileStream;
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};
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class TarOutputStream {
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public:
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TarOutputStream(OutputStream&);
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void add_file(const String& path, mode_t, const ReadonlyBytes&);
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void add_directory(const String& path, mode_t);
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void finish();
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private:
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OutputStream& m_stream;
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bool m_finished { false };
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friend class TarFileStream;
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};
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}
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