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LibCore: Rename MemoryStream to FixedMemoryStream

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This is to differentiate between the upcoming `AllocatingMemoryStream`,
which automatically allocates memory as needed instead of operating on a
static memory area.
This commit is contained in:
Tim Schumacher 2022-12-07 15:47:44 +01:00 committed by Linus Groh
parent c4f68bde57
commit c6d71ca727
Notes: sideshowbarker 2024-07-17 03:08:59 +09:00 
Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/c6d71ca727
Pull-request: https://github.com/SerenityOS/serenity/pull/16426
Reviewed-by: https://github.com/davidot
Reviewed-by: https://github.com/kleinesfilmroellchen
Reviewed-by: https://github.com/sin-ack ✅
11 changed files with 29 additions and 27 deletions
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2
Meta/Lagom/Fuzzers/FuzzBrotli.cpp
View file

@ -10,7 +10,7 @@
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
{
auto bufstream_result = Core::Stream::MemoryStream::construct({ data, size });
auto bufstream_result = Core::Stream::FixedMemoryStream::construct({ data, size });
if (bufstream_result.is_error()) {
dbgln("MemoryStream::construct() failed.");
return 0;

2
Meta/Lagom/Fuzzers/FuzzTar.cpp
View file

@ -12,7 +12,7 @@
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
{
auto input_stream_or_error = Core::Stream::MemoryStream::construct({ data, size });
auto input_stream_or_error = Core::Stream::FixedMemoryStream::construct({ data, size });
if (input_stream_or_error.is_error())
return 0;

4
Tests/LibCompress/TestDeflate.cpp
View file

@ -29,7 +29,7 @@ TEST_CASE(canonical_code_simple)
};
auto const huffman = Compress::CanonicalCode::from_bytes(code).value();
auto memory_stream = MUST(Core::Stream::MemoryStream::construct(input));
auto memory_stream = MUST(Core::Stream::FixedMemoryStream::construct(input));
auto bit_stream = MUST(Core::Stream::LittleEndianInputBitStream::construct(move(memory_stream)));
for (size_t idx = 0; idx < 9; ++idx)
@ -49,7 +49,7 @@ TEST_CASE(canonical_code_complex)
};
auto const huffman = Compress::CanonicalCode::from_bytes(code).value();
auto memory_stream = MUST(Core::Stream::MemoryStream::construct(input));
auto memory_stream = MUST(Core::Stream::FixedMemoryStream::construct(input));
auto bit_stream = MUST(Core::Stream::LittleEndianInputBitStream::construct(move(memory_stream)));
for (size_t idx = 0; idx < 12; ++idx)

8
Userland/Libraries/LibAudio/FlacLoader.cpp
View file

@ -42,7 +42,7 @@ Result<NonnullOwnPtr<FlacLoaderPlugin>, LoaderError> FlacLoaderPlugin::try_creat
Result<NonnullOwnPtr<FlacLoaderPlugin>, LoaderError> FlacLoaderPlugin::try_create(Bytes buffer)
{
auto stream = LOADER_TRY(Core::Stream::MemoryStream::construct(buffer));
auto stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(buffer));
auto loader = make<FlacLoaderPlugin>(move(stream));
LOADER_TRY(loader->initialize());
@ -78,7 +78,7 @@ MaybeLoaderError FlacLoaderPlugin::parse_header()
// Receive the streaminfo block
auto streaminfo = TRY(next_meta_block(*bit_input));
FLAC_VERIFY(streaminfo.type == FlacMetadataBlockType::STREAMINFO, LoaderError::Category::Format, "First block must be STREAMINFO");
auto streaminfo_data_memory = LOADER_TRY(Core::Stream::MemoryStream::construct(streaminfo.data.bytes()));
auto streaminfo_data_memory = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(streaminfo.data.bytes()));
auto streaminfo_data = LOADER_TRY(BigEndianInputBitStream::construct(Core::Stream::Handle<Core::Stream::Stream>(*streaminfo_data_memory)));
// 11.10 METADATA_BLOCK_STREAMINFO
@ -149,7 +149,7 @@ MaybeLoaderError FlacLoaderPlugin::parse_header()
// 11.19. METADATA_BLOCK_PICTURE
MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
{
auto memory_stream = LOADER_TRY(Core::Stream::MemoryStream::construct(block.data.bytes()));
auto memory_stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(block.data.bytes()));
auto picture_block_bytes = LOADER_TRY(BigEndianInputBitStream::construct(Core::Stream::Handle<Core::Stream::Stream>(*memory_stream)));
PictureData picture {};
@ -186,7 +186,7 @@ MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
// 11.13. METADATA_BLOCK_SEEKTABLE
MaybeLoaderError FlacLoaderPlugin::load_seektable(FlacRawMetadataBlock& block)
{
auto memory_stream = LOADER_TRY(Core::Stream::MemoryStream::construct(block.data.bytes()));
auto memory_stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(block.data.bytes()));
auto seektable_bytes = LOADER_TRY(BigEndianInputBitStream::construct(Core::Stream::Handle<Core::Stream::Stream>(*memory_stream)));
for (size_t i = 0; i < block.length / 18; ++i) {
// 11.14. SEEKPOINT

2
Userland/Libraries/LibAudio/MP3Loader.cpp
View file

@ -31,7 +31,7 @@ Result<NonnullOwnPtr<MP3LoaderPlugin>, LoaderError> MP3LoaderPlugin::try_create(
Result<NonnullOwnPtr<MP3LoaderPlugin>, LoaderError> MP3LoaderPlugin::try_create(Bytes buffer)
{
auto stream = LOADER_TRY(Core::Stream::MemoryStream::construct(buffer));
auto stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(buffer));
auto loader = make<MP3LoaderPlugin>(move(stream));
LOADER_TRY(loader->initialize());

4
Userland/Libraries/LibAudio/WavLoader.cpp
View file

@ -35,7 +35,7 @@ Result<NonnullOwnPtr<WavLoaderPlugin>, LoaderError> WavLoaderPlugin::try_create(
Result<NonnullOwnPtr<WavLoaderPlugin>, LoaderError> WavLoaderPlugin::try_create(Bytes buffer)
{
auto stream = LOADER_TRY(Core::Stream::MemoryStream::construct(buffer));
auto stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(buffer));
auto loader = make<WavLoaderPlugin>(move(stream));
LOADER_TRY(loader->initialize());
@ -115,7 +115,7 @@ static ErrorOr<double> read_sample(Core::Stream::Stream& stream)
LoaderSamples WavLoaderPlugin::samples_from_pcm_data(Bytes const& data, size_t samples_to_read) const
{
FixedArray<Sample> samples = LOADER_TRY(FixedArray<Sample>::try_create(samples_to_read));
auto stream = LOADER_TRY(Core::Stream::MemoryStream::construct(move(data)));
auto stream = LOADER_TRY(Core::Stream::FixedMemoryStream::construct(move(data)));
switch (m_sample_format) {
case PcmSampleFormat::Uint8:

2
Userland/Libraries/LibCompress/Deflate.cpp
View file

@ -309,7 +309,7 @@ void DeflateDecompressor::close()
ErrorOr<ByteBuffer> DeflateDecompressor::decompress_all(ReadonlyBytes bytes)
{
auto memory_stream = TRY(Core::Stream::MemoryStream::construct(bytes));
auto memory_stream = TRY(Core::Stream::FixedMemoryStream::construct(bytes));
DeflateDecompressor deflate_stream { move(memory_stream) };
DuplexMemoryStream output_stream;

2
Userland/Libraries/LibCompress/Gzip.cpp
View file

@ -153,7 +153,7 @@ Optional<DeprecatedString> GzipDecompressor::describe_header(ReadonlyBytes bytes
ErrorOr<ByteBuffer> GzipDecompressor::decompress_all(ReadonlyBytes bytes)
{
auto memory_stream = TRY(Core::Stream::MemoryStream::construct(bytes));
auto memory_stream = TRY(Core::Stream::FixedMemoryStream::construct(bytes));
auto gzip_stream = make<GzipDecompressor>(move(memory_stream));
DuplexMemoryStream output_stream;

16
Userland/Libraries/LibCore/MemoryStream.h
View file

@ -15,16 +15,18 @@
namespace Core::Stream {
class MemoryStream final : public SeekableStream {
/// A stream class that allows for reading/writing on a preallocated memory area
/// using a single read/write head.
class FixedMemoryStream final : public SeekableStream {
public:
static ErrorOr<NonnullOwnPtr<MemoryStream>> construct(Bytes bytes)
static ErrorOr<NonnullOwnPtr<FixedMemoryStream>> construct(Bytes bytes)
{
return adopt_nonnull_own_or_enomem<MemoryStream>(new (nothrow) MemoryStream(bytes));
return adopt_nonnull_own_or_enomem<FixedMemoryStream>(new (nothrow) FixedMemoryStream(bytes));
}
static ErrorOr<NonnullOwnPtr<MemoryStream>> construct(ReadonlyBytes bytes)
static ErrorOr<NonnullOwnPtr<FixedMemoryStream>> construct(ReadonlyBytes bytes)
{
return adopt_nonnull_own_or_enomem<MemoryStream>(new (nothrow) MemoryStream(bytes));
return adopt_nonnull_own_or_enomem<FixedMemoryStream>(new (nothrow) FixedMemoryStream(bytes));
}
virtual bool is_eof() const override { return m_offset >= m_bytes.size(); }
@ -98,12 +100,12 @@ public:
size_t remaining() const { return m_bytes.size() - m_offset; }
protected:
explicit MemoryStream(Bytes bytes)
explicit FixedMemoryStream(Bytes bytes)
: m_bytes(bytes)
{
}
explicit MemoryStream(ReadonlyBytes bytes)
explicit FixedMemoryStream(ReadonlyBytes bytes)
: m_bytes({ const_cast<u8*>(bytes.data()), bytes.size() })
, m_writing_enabled(false)
{

2
Userland/Libraries/LibHTTP/Job.cpp
View file

@ -80,7 +80,7 @@ static Optional<ByteBuffer> handle_content_encoding(ByteBuffer const& buf, Depre
} else if (content_encoding == "br") {
dbgln_if(JOB_DEBUG, "Job::handle_content_encoding: buf is brotli compressed!");
auto bufstream_result = Core::Stream::MemoryStream::construct({ buf.data(), buf.size() });
auto bufstream_result = Core::Stream::FixedMemoryStream::construct({ buf.data(), buf.size() });
if (bufstream_result.is_error()) {
dbgln("Job::handle_content_encoding: MemoryStream::construct() failed.");
return {};

12
Userland/Utilities/headless-browser.cpp
View file

@ -355,7 +355,7 @@ public:
private:
HTTPHeadlessRequest(HTTP::HttpRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_output_stream(Core::Stream::FixedMemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(HTTP::Job::construct(move(request), *m_output_stream))
{
@ -381,7 +381,7 @@ public:
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::FixedMemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<HTTP::Job> m_job;
HashMap<DeprecatedString, DeprecatedString, CaseInsensitiveStringTraits> m_response_headers;
@ -434,7 +434,7 @@ public:
private:
HTTPSHeadlessRequest(HTTP::HttpRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_output_stream(Core::Stream::FixedMemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(HTTP::HttpsJob::construct(move(request), *m_output_stream))
{
@ -460,7 +460,7 @@ public:
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::FixedMemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<HTTP::HttpsJob> m_job;
HashMap<DeprecatedString, DeprecatedString, CaseInsensitiveStringTraits> m_response_headers;
@ -503,7 +503,7 @@ public:
private:
GeminiHeadlessRequest(Gemini::GeminiRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_output_stream(Core::Stream::FixedMemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(Gemini::Job::construct(move(request), *m_output_stream))
{
@ -529,7 +529,7 @@ public:
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::FixedMemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<Gemini::Job> m_job;
HashMap<DeprecatedString, DeprecatedString, CaseInsensitiveStringTraits> m_response_headers;