| 1 | /* This file is part of the KDE libraries |
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| 2 | SPDX-FileCopyrightText: 2021 Albert Astals Cid <aacid@kde.org> |
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| 3 | |
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| 4 | SPDX-License-Identifier: LGPL-2.0-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef KZSTDFILTER_H |
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| 8 | #define KZSTDFILTER_H |
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| 9 | |
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| 10 | #include <config-compression.h> |
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| 11 | |
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| 12 | #if HAVE_ZSTD_SUPPORT |
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| 13 | |
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| 14 | #include "kfilterbase.h" |
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| 15 | |
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| 16 | #include <memory> |
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| 17 | |
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| 18 | /** |
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| 19 | * Internal class used by KCompressionDevice |
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| 20 | * @internal |
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| 21 | */ |
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| 22 | class KZstdFilter : public KFilterBase |
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| 23 | { |
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| 24 | public: |
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| 25 | KZstdFilter(); |
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| 26 | ~KZstdFilter() override; |
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| 27 | |
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| 28 | bool init(int) override; |
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| 29 | int mode() const override; |
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| 30 | bool terminate() override; |
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| 31 | void reset() override; |
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| 32 | bool () override |
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| 33 | { |
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| 34 | return true; |
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| 35 | } |
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| 36 | bool (const QByteArray &) override |
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| 37 | { |
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| 38 | return true; |
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| 39 | } |
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| 40 | void setOutBuffer(char *data, uint maxlen) override; |
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| 41 | void setInBuffer(const char *data, uint size) override; |
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| 42 | int inBufferAvailable() const override; |
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| 43 | int outBufferAvailable() const override; |
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| 44 | Result uncompress() override; |
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| 45 | Result compress(bool finish) override; |
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| 46 | |
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| 47 | private: |
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| 48 | class Private; |
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| 49 | const std::unique_ptr<Private> d; |
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| 50 | }; |
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| 51 | |
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| 52 | #endif |
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| 53 | |
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| 54 | #endif |
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| 55 | |
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