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0880ea3e1c
This hasn't really come up as of yet because not enough of this class has been implemented yet to actually do anything with it.
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/Function.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Streams/ReadableStreamGenericReader.h>
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namespace Web::Streams {
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// https://streams.spec.whatwg.org/#read-into-request
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class ReadIntoRequest : public JS::Cell {
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JS_CELL(ReadIntoRequest, JS::Cell);
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public:
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virtual ~ReadIntoRequest() = default;
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// An algorithm taking a chunk, called when a chunk is available for reading
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virtual void on_chunk(JS::Value chunk) = 0;
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// An algorithm taking a chunk or undefined, called when no chunks are available because the stream is closed
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virtual void on_close(JS::Value chunk_or_undefined) = 0;
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// An algorithm taking a JavaScript value, called when no chunks are available because the stream is errored
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virtual void on_error(JS::Value error) = 0;
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};
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// https://streams.spec.whatwg.org/#readablestreambyobreader
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class ReadableStreamBYOBReader final
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: public Bindings::PlatformObject
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, public ReadableStreamGenericReaderMixin {
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WEB_PLATFORM_OBJECT(ReadableStreamBYOBReader, Bindings::PlatformObject);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<ReadableStreamBYOBReader>> construct_impl(JS::Realm&, JS::NonnullGCPtr<ReadableStream>);
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virtual ~ReadableStreamBYOBReader() override = default;
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void release_lock();
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Vector<JS::NonnullGCPtr<ReadIntoRequest>>& read_into_requests() { return m_read_into_requests; }
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private:
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explicit ReadableStreamBYOBReader(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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// https://streams.spec.whatwg.org/#readablestreambyobreader-readintorequests
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// A list of read-into requests, used when a consumer requests chunks sooner than they are available
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Vector<JS::NonnullGCPtr<ReadIntoRequest>> m_read_into_requests;
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};
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}
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