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AK: Move bit streams from LibCore
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94f139c111
commit
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14 changed files with 167 additions and 158 deletions
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@ -9,9 +9,10 @@
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#include <AK/ByteBuffer.h>
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#include <AK/Endian.h>
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#include <AK/Forward.h>
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#include <AK/MaybeOwned.h>
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#include <AK/Vector.h>
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#include <LibCompress/DeflateTables.h>
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#include <LibCore/BitStream.h>
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#include <LibCore/Stream.h>
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namespace Compress {
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@ -19,8 +20,8 @@ namespace Compress {
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class CanonicalCode {
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public:
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CanonicalCode() = default;
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ErrorOr<u32> read_symbol(Core::Stream::LittleEndianInputBitStream&) const;
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ErrorOr<void> write_symbol(Core::Stream::LittleEndianOutputBitStream&, u32) const;
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ErrorOr<u32> read_symbol(LittleEndianInputBitStream&) const;
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ErrorOr<void> write_symbol(LittleEndianOutputBitStream&, u32) const;
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static CanonicalCode const& fixed_literal_codes();
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static CanonicalCode const& fixed_distance_codes();
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@ -100,7 +101,7 @@ private:
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UncompressedBlock m_uncompressed_block;
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};
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MaybeOwned<Core::Stream::LittleEndianInputBitStream> m_input_stream;
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MaybeOwned<LittleEndianInputBitStream> m_input_stream;
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CircularBuffer m_output_buffer;
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};
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@ -152,7 +153,7 @@ public:
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static ErrorOr<ByteBuffer> compress_all(ReadonlyBytes bytes, CompressionLevel = CompressionLevel::GOOD);
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private:
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DeflateCompressor(NonnullOwnPtr<Core::Stream::LittleEndianOutputBitStream>, CompressionLevel = CompressionLevel::GOOD);
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DeflateCompressor(NonnullOwnPtr<LittleEndianOutputBitStream>, CompressionLevel = CompressionLevel::GOOD);
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Bytes pending_block() { return { m_rolling_window + block_size, block_size }; }
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@ -184,7 +185,7 @@ private:
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bool m_finished { false };
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CompressionLevel m_compression_level;
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CompressionConstants m_compression_constants;
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NonnullOwnPtr<Core::Stream::LittleEndianOutputBitStream> m_output_stream;
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NonnullOwnPtr<LittleEndianOutputBitStream> m_output_stream;
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u8 m_rolling_window[window_size];
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size_t m_pending_block_size { 0 };
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