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AK: Move Handle from LibCore and name it MaybeOwned

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The new name should make it abundantly clear what it does.
This commit is contained in:
Tim Schumacher 2023-01-22 04:24:18 +01:00 • committed by Andrew Kaster
parent 5fa590de71
commit 5f2ea31816
16 changed files with 115 additions and 92 deletions
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2
Userland/Libraries/LibCompress/Brotli.cpp
View file

@ -29,7 +29,7 @@ ErrorOr<size_t> BrotliDecompressionStream::CanonicalCode::read_symbol(LittleEndi
}
BrotliDecompressionStream::BrotliDecompressionStream(Stream& stream)
: m_input_stream(Core::Stream::Handle(stream))
: m_input_stream(MaybeOwned(stream))
{
}

8
Userland/Libraries/LibCompress/Deflate.cpp
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@ -188,13 +188,13 @@ ErrorOr<bool> DeflateDecompressor::UncompressedBlock::try_read_more()
return true;
}
ErrorOr<NonnullOwnPtr<DeflateDecompressor>> DeflateDecompressor::construct(Core::Stream::Handle<Core::Stream::Stream> stream)
ErrorOr<NonnullOwnPtr<DeflateDecompressor>> DeflateDecompressor::construct(MaybeOwned<Core::Stream::Stream> stream)
{
auto output_buffer = TRY(CircularBuffer::create_empty(32 * KiB));
return TRY(adopt_nonnull_own_or_enomem(new (nothrow) DeflateDecompressor(move(stream), move(output_buffer))));
}
DeflateDecompressor::DeflateDecompressor(Core::Stream::Handle<Core::Stream::Stream> stream, CircularBuffer output_buffer)
DeflateDecompressor::DeflateDecompressor(MaybeOwned<Core::Stream::Stream> stream, CircularBuffer output_buffer)
: m_input_stream(make<Core::Stream::LittleEndianInputBitStream>(move(stream)))
, m_output_buffer(move(output_buffer))
{
@ -446,7 +446,7 @@ ErrorOr<void> DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Opt
return {};
}
ErrorOr<NonnullOwnPtr<DeflateCompressor>> DeflateCompressor::construct(Core::Stream::Handle<Core::Stream::Stream> stream, CompressionLevel compression_level)
ErrorOr<NonnullOwnPtr<DeflateCompressor>> DeflateCompressor::construct(MaybeOwned<Core::Stream::Stream> stream, CompressionLevel compression_level)
{
auto bit_stream = TRY(Core::Stream::LittleEndianOutputBitStream::construct(move(stream)));
auto deflate_compressor = TRY(adopt_nonnull_own_or_enomem(new (nothrow) DeflateCompressor(move(bit_stream), compression_level)));
@ -1017,7 +1017,7 @@ ErrorOr<void> DeflateCompressor::final_flush()
ErrorOr<ByteBuffer> DeflateCompressor::compress_all(ReadonlyBytes bytes, CompressionLevel compression_level)
{
auto output_stream = TRY(try_make<Core::Stream::AllocatingMemoryStream>());
auto deflate_stream = TRY(DeflateCompressor::construct(Core::Stream::Handle<Core::Stream::Stream>(*output_stream), compression_level));
auto deflate_stream = TRY(DeflateCompressor::construct(MaybeOwned<Core::Stream::Stream>(*output_stream), compression_level));
TRY(deflate_stream->write_entire_buffer(bytes));
TRY(deflate_stream->final_flush());

8
Userland/Libraries/LibCompress/Deflate.h
View file

@ -74,7 +74,7 @@ public:
friend CompressedBlock;
friend UncompressedBlock;
static ErrorOr<NonnullOwnPtr<DeflateDecompressor>> construct(Core::Stream::Handle<Core::Stream::Stream> stream);
static ErrorOr<NonnullOwnPtr<DeflateDecompressor>> construct(MaybeOwned<Core::Stream::Stream> stream);
~DeflateDecompressor();
virtual ErrorOr<Bytes> read(Bytes) override;
@ -86,7 +86,7 @@ public:
static ErrorOr<ByteBuffer> decompress_all(ReadonlyBytes);
private:
DeflateDecompressor(Core::Stream::Handle<Core::Stream::Stream> stream, CircularBuffer buffer);
DeflateDecompressor(MaybeOwned<Core::Stream::Stream> stream, CircularBuffer buffer);
ErrorOr<u32> decode_length(u32);
ErrorOr<u32> decode_distance(u32);
@ -100,7 +100,7 @@ private:
UncompressedBlock m_uncompressed_block;
};
Core::Stream::Handle<Core::Stream::LittleEndianInputBitStream> m_input_stream;
MaybeOwned<Core::Stream::LittleEndianInputBitStream> m_input_stream;
CircularBuffer m_output_buffer;
};
@ -139,7 +139,7 @@ public:
BEST // WARNING: this one can take an unreasonable amount of time!
};
static ErrorOr<NonnullOwnPtr<DeflateCompressor>> construct(Core::Stream::Handle<Core::Stream::Stream>, CompressionLevel = CompressionLevel::GOOD);
static ErrorOr<NonnullOwnPtr<DeflateCompressor>> construct(MaybeOwned<Core::Stream::Stream>, CompressionLevel = CompressionLevel::GOOD);
~DeflateCompressor();
virtual ErrorOr<Bytes> read(Bytes) override;

8
Userland/Libraries/LibCompress/Gzip.cpp
View file

@ -40,7 +40,7 @@ bool BlockHeader::supported_by_implementation() const
ErrorOr<NonnullOwnPtr<GzipDecompressor::Member>> GzipDecompressor::Member::construct(BlockHeader header, Core::Stream::Stream& stream)
{
auto deflate_stream = TRY(DeflateDecompressor::construct(Core::Stream::Handle<Core::Stream::Stream>(stream)));
auto deflate_stream = TRY(DeflateDecompressor::construct(MaybeOwned<Core::Stream::Stream>(stream)));
return TRY(adopt_nonnull_own_or_enomem(new (nothrow) Member(header, move(deflate_stream))));
}
@ -186,7 +186,7 @@ ErrorOr<size_t> GzipDecompressor::write(ReadonlyBytes)
return Error::from_errno(EBADF);
}
GzipCompressor::GzipCompressor(Core::Stream::Handle<Core::Stream::Stream> stream)
GzipCompressor::GzipCompressor(MaybeOwned<Core::Stream::Stream> stream)
: m_output_stream(move(stream))
{
}
@ -207,7 +207,7 @@ ErrorOr<size_t> GzipCompressor::write(ReadonlyBytes bytes)
header.extra_flags = 3; // DEFLATE sets 2 for maximum compression and 4 for minimum compression
header.operating_system = 3; // unix
TRY(m_output_stream->write_entire_buffer({ &header, sizeof(header) }));
auto compressed_stream = TRY(DeflateCompressor::construct(Core::Stream::Handle(*m_output_stream)));
auto compressed_stream = TRY(DeflateCompressor::construct(MaybeOwned(*m_output_stream)));
TRY(compressed_stream->write_entire_buffer(bytes));
TRY(compressed_stream->final_flush());
Crypto::Checksum::CRC32 crc32;
@ -236,7 +236,7 @@ void GzipCompressor::close()
ErrorOr<ByteBuffer> GzipCompressor::compress_all(ReadonlyBytes bytes)
{
auto output_stream = TRY(try_make<Core::Stream::AllocatingMemoryStream>());
GzipCompressor gzip_stream { Core::Stream::Handle<Core::Stream::Stream>(*output_stream) };
GzipCompressor gzip_stream { MaybeOwned<Core::Stream::Stream>(*output_stream) };
TRY(gzip_stream.write_entire_buffer(bytes));

4
Userland/Libraries/LibCompress/Gzip.h
View file

@ -80,7 +80,7 @@ private:
class GzipCompressor final : public Core::Stream::Stream {
public:
GzipCompressor(Core::Stream::Handle<Core::Stream::Stream>);
GzipCompressor(MaybeOwned<Core::Stream::Stream>);
virtual ErrorOr<Bytes> read(Bytes) override;
virtual ErrorOr<size_t> write(ReadonlyBytes) override;
@ -91,7 +91,7 @@ public:
static ErrorOr<ByteBuffer> compress_all(ReadonlyBytes bytes);
private:
Core::Stream::Handle<Core::Stream::Stream> m_output_stream;
MaybeOwned<Core::Stream::Stream> m_output_stream;
};
}

8
Userland/Libraries/LibCompress/Zlib.cpp
View file

@ -69,13 +69,13 @@ u32 ZlibDecompressor::checksum()
return m_checksum;
}
ErrorOr<NonnullOwnPtr<ZlibCompressor>> ZlibCompressor::construct(Core::Stream::Handle<Core::Stream::Stream> stream, ZlibCompressionLevel compression_level)
ErrorOr<NonnullOwnPtr<ZlibCompressor>> ZlibCompressor::construct(MaybeOwned<Core::Stream::Stream> stream, ZlibCompressionLevel compression_level)
{
// Zlib only defines Deflate as a compression method.
auto compression_method = ZlibCompressionMethod::Deflate;
// FIXME: Find a way to compress with Deflate's "Best" compression level.
auto compressor_stream = TRY(DeflateCompressor::construct(Core::Stream::Handle(*stream), static_cast<DeflateCompressor::CompressionLevel>(compression_level)));
auto compressor_stream = TRY(DeflateCompressor::construct(MaybeOwned(*stream), static_cast<DeflateCompressor::CompressionLevel>(compression_level)));
auto zlib_compressor = TRY(adopt_nonnull_own_or_enomem(new (nothrow) ZlibCompressor(move(stream), move(compressor_stream))));
TRY(zlib_compressor->write_header(compression_method, compression_level));
@ -83,7 +83,7 @@ ErrorOr<NonnullOwnPtr<ZlibCompressor>> ZlibCompressor::construct(Core::Stream::H
return zlib_compressor;
}
ZlibCompressor::ZlibCompressor(Core::Stream::Handle<Core::Stream::Stream> stream, NonnullOwnPtr<Core::Stream::Stream> compressor_stream)
ZlibCompressor::ZlibCompressor(MaybeOwned<Core::Stream::Stream> stream, NonnullOwnPtr<Core::Stream::Stream> compressor_stream)
: m_output_stream(move(stream))
, m_compressor(move(compressor_stream))
{
@ -164,7 +164,7 @@ ErrorOr<void> ZlibCompressor::finish()
ErrorOr<ByteBuffer> ZlibCompressor::compress_all(ReadonlyBytes bytes, ZlibCompressionLevel compression_level)
{
auto output_stream = TRY(try_make<Core::Stream::AllocatingMemoryStream>());
auto zlib_stream = TRY(ZlibCompressor::construct(Core::Stream::Handle<Core::Stream::Stream>(*output_stream), compression_level));
auto zlib_stream = TRY(ZlibCompressor::construct(MaybeOwned<Core::Stream::Stream>(*output_stream), compression_level));
TRY(zlib_stream->write_entire_buffer(bytes));

7
Userland/Libraries/LibCompress/Zlib.h
View file

@ -7,6 +7,7 @@
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/MaybeOwned.h>
#include <AK/Optional.h>
#include <AK/OwnPtr.h>
#include <AK/Span.h>
@ -62,7 +63,7 @@ private:
class ZlibCompressor : public Core::Stream::Stream {
public:
static ErrorOr<NonnullOwnPtr<ZlibCompressor>> construct(Core::Stream::Handle<Core::Stream::Stream>, ZlibCompressionLevel = ZlibCompressionLevel::Default);
static ErrorOr<NonnullOwnPtr<ZlibCompressor>> construct(MaybeOwned<Core::Stream::Stream>, ZlibCompressionLevel = ZlibCompressionLevel::Default);
~ZlibCompressor();
virtual ErrorOr<Bytes> read(Bytes) override;
@ -75,11 +76,11 @@ public:
static ErrorOr<ByteBuffer> compress_all(ReadonlyBytes bytes, ZlibCompressionLevel = ZlibCompressionLevel::Default);
private:
ZlibCompressor(Core::Stream::Handle<Core::Stream::Stream> stream, NonnullOwnPtr<Core::Stream::Stream> compressor_stream);
ZlibCompressor(MaybeOwned<Core::Stream::Stream> stream, NonnullOwnPtr<Core::Stream::Stream> compressor_stream);
ErrorOr<void> write_header(ZlibCompressionMethod, ZlibCompressionLevel);
bool m_finished { false };
Core::Stream::Handle<Core::Stream::Stream> m_output_stream;
MaybeOwned<Core::Stream::Stream> m_output_stream;
NonnullOwnPtr<Core::Stream::Stream> m_compressor;
Crypto::Checksum::Adler32 m_adler32_checksum;
};