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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.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/MemoryStream.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/Variant.h>
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#include <LibCompress/Forward.h>
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#include <LibGC/Ptr.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/Compression/CompressionStream.h>
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#include <LibWeb/Streams/GenericTransformStream.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Compression {
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using Decompressor = Variant<
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NonnullOwnPtr<Compress::ZlibDecompressor>,
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NonnullOwnPtr<Compress::DeflateDecompressor>,
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NonnullOwnPtr<Compress::GzipDecompressor>>;
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// https://compression.spec.whatwg.org/#decompressionstream
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class DecompressionStream final
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: public Bindings::PlatformObject
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, public Streams::GenericTransformStreamMixin {
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WEB_PLATFORM_OBJECT(DecompressionStream, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(DecompressionStream);
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public:
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static WebIDL::ExceptionOr<GC::Ref<DecompressionStream>> construct_impl(JS::Realm&, Bindings::CompressionFormat);
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virtual ~DecompressionStream() override;
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private:
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DecompressionStream(JS::Realm&, GC::Ref<Streams::TransformStream>, Decompressor, NonnullOwnPtr<AllocatingMemoryStream>);
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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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WebIDL::ExceptionOr<void> decompress_and_enqueue_chunk(JS::Value);
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WebIDL::ExceptionOr<void> decompress_flush_and_enqueue();
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Decompressor m_decompressor;
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NonnullOwnPtr<AllocatingMemoryStream> m_input_stream;
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};
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}
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