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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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@ -9,6 +9,7 @@
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#include <AK/Assertions.h>
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#include <AK/BinaryHeap.h>
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#include <AK/BinarySearch.h>
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#include <AK/BitStream.h>
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#include <LibCore/MemoryStream.h>
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#include <string.h>
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@ -98,7 +99,7 @@ Optional<CanonicalCode> CanonicalCode::from_bytes(ReadonlyBytes bytes)
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return code;
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}
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ErrorOr<u32> CanonicalCode::read_symbol(Core::Stream::LittleEndianInputBitStream& stream) const
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ErrorOr<u32> CanonicalCode::read_symbol(LittleEndianInputBitStream& stream) const
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{
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u32 code_bits = 1;
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@ -115,7 +116,7 @@ ErrorOr<u32> CanonicalCode::read_symbol(Core::Stream::LittleEndianInputBitStream
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}
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}
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ErrorOr<void> CanonicalCode::write_symbol(Core::Stream::LittleEndianOutputBitStream& stream, u32 symbol) const
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ErrorOr<void> CanonicalCode::write_symbol(LittleEndianOutputBitStream& stream, u32 symbol) const
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{
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TRY(stream.write_bits(m_bit_codes[symbol], m_bit_code_lengths[symbol]));
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return {};
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@ -195,7 +196,7 @@ ErrorOr<NonnullOwnPtr<DeflateDecompressor>> DeflateDecompressor::construct(Maybe
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}
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DeflateDecompressor::DeflateDecompressor(MaybeOwned<AK::Stream> stream, CircularBuffer output_buffer)
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: m_input_stream(make<Core::Stream::LittleEndianInputBitStream>(move(stream)))
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: m_input_stream(make<LittleEndianInputBitStream>(move(stream)))
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, m_output_buffer(move(output_buffer))
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{
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}
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@ -448,12 +449,12 @@ ErrorOr<void> DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Opt
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ErrorOr<NonnullOwnPtr<DeflateCompressor>> DeflateCompressor::construct(MaybeOwned<AK::Stream> stream, CompressionLevel compression_level)
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{
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auto bit_stream = TRY(Core::Stream::LittleEndianOutputBitStream::construct(move(stream)));
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auto bit_stream = TRY(LittleEndianOutputBitStream::construct(move(stream)));
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auto deflate_compressor = TRY(adopt_nonnull_own_or_enomem(new (nothrow) DeflateCompressor(move(bit_stream), compression_level)));
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return deflate_compressor;
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}
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DeflateCompressor::DeflateCompressor(NonnullOwnPtr<Core::Stream::LittleEndianOutputBitStream> stream, CompressionLevel compression_level)
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DeflateCompressor::DeflateCompressor(NonnullOwnPtr<LittleEndianOutputBitStream> stream, CompressionLevel compression_level)
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: m_compression_level(compression_level)
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, m_compression_constants(compression_constants[static_cast<int>(m_compression_level)])
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, m_output_stream(move(stream))
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