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AK: Move bit streams from LibCore

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This commit is contained in:
Tim Schumacher 2023-01-25 20:06:16 +01:00 • committed by Andrew Kaster
parent 94f139c111
commit 2470dd3bb5
14 changed files with 167 additions and 158 deletions
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13
Userland/Libraries/LibCompress/Deflate.h
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@ -9,9 +9,10 @@
#include <AK/ByteBuffer.h>
#include <AK/Endian.h>
#include <AK/Forward.h>
#include <AK/MaybeOwned.h>
#include <AK/Vector.h>
#include <LibCompress/DeflateTables.h>
#include <LibCore/BitStream.h>
#include <LibCore/Stream.h>
namespace Compress {
@ -19,8 +20,8 @@ namespace Compress {
class CanonicalCode {
public:
CanonicalCode() = default;
ErrorOr<u32> read_symbol(Core::Stream::LittleEndianInputBitStream&) const;
ErrorOr<void> write_symbol(Core::Stream::LittleEndianOutputBitStream&, u32) const;
ErrorOr<u32> read_symbol(LittleEndianInputBitStream&) const;
ErrorOr<void> write_symbol(LittleEndianOutputBitStream&, u32) const;
static CanonicalCode const& fixed_literal_codes();
static CanonicalCode const& fixed_distance_codes();
@ -100,7 +101,7 @@ private:
UncompressedBlock m_uncompressed_block;
};
MaybeOwned<Core::Stream::LittleEndianInputBitStream> m_input_stream;
MaybeOwned<LittleEndianInputBitStream> m_input_stream;
CircularBuffer m_output_buffer;
};
@ -152,7 +153,7 @@ public:
static ErrorOr<ByteBuffer> compress_all(ReadonlyBytes bytes, CompressionLevel = CompressionLevel::GOOD);
private:
DeflateCompressor(NonnullOwnPtr<Core::Stream::LittleEndianOutputBitStream>, CompressionLevel = CompressionLevel::GOOD);
DeflateCompressor(NonnullOwnPtr<LittleEndianOutputBitStream>, CompressionLevel = CompressionLevel::GOOD);
Bytes pending_block() { return { m_rolling_window + block_size, block_size }; }
@ -184,7 +185,7 @@ private:
bool m_finished { false };
CompressionLevel m_compression_level;
CompressionConstants m_compression_constants;
NonnullOwnPtr<Core::Stream::LittleEndianOutputBitStream> m_output_stream;
NonnullOwnPtr<LittleEndianOutputBitStream> m_output_stream;
u8 m_rolling_window[window_size];
size_t m_pending_block_size { 0 };