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Initial Stubs for Compression Streams API
https://bugs.webkit.org/show_bug.cgi?id=241964 Reviewed by Alex Christensen and Brent Fulgham. Implement initial stubs for Compression Streams API. * Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml: * Source/WebCore/CMakeLists.txt: * Source/WebCore/DerivedSources-input.xcfilelist: * Source/WebCore/DerivedSources-output.xcfilelist: * Source/WebCore/DerivedSources.make: * Source/WebCore/Headers.cmake: * Source/WebCore/Modules/compression/CompressionStream.cpp: Added. (WebCore::CompressionStream::createStreams): (WebCore::CompressionStream::readable): (WebCore::CompressionStream::writable): * Source/WebCore/Modules/compression/CompressionStream.h: Added. (WebCore::CompressionStream::~CompressionStream): (WebCore::CompressionStream::create): (WebCore::CompressionStream::getCompressionFormat): (WebCore::CompressionStream::CompressionStream): * Source/WebCore/Modules/compression/CompressionStream.idl: Added. * Source/WebCore/Modules/compression/DecompressionStream.cpp: Added. (WebCore::DecompressionStream::createStreams): (WebCore::DecompressionStream::readable): (WebCore::DecompressionStream::writable): * Source/WebCore/Modules/compression/DecompressionStream.h: Added. (WebCore::DecompressionStream::~DecompressionStream): (WebCore::DecompressionStream::create): (WebCore::DecompressionStream::getCompressionFormat): (WebCore::DecompressionStream::DecompressionStream): * Source/WebCore/Modules/compression/DecompressionStream.idl: Added. * Source/WebCore/Modules/compression/Formats.h: Added. * Source/WebCore/Modules/streams/GenericTransformStream.idl: Added. * Source/WebCore/Modules/websockets/WebSocket.cpp: * Source/WebCore/Sources.txt: * Source/WebCore/WebCore.xcodeproj/project.pbxproj: * Source/WebCore/bindings/js/WebCoreBuiltinNames.h: * Source/WebCore/dom/EventTargetFactory.in: * Source/WebCore/features.json: Canonical link: https://commits.webkit.org/252071@main
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (C) 2022 Apple Inc. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | ||
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | ||
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | ||
| * THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
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| #include "config.h" | ||
| #include "CompressionStream.h" | ||
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| #include "ScriptExecutionContext.h" | ||
| #include "WritableStreamSink.h" | ||
| #include <wtf/IsoMalloc.h> | ||
| #include <wtf/IsoMallocInlines.h> | ||
| #include <wtf/WeakPtr.h> | ||
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| namespace WebCore { | ||
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| WTF_MAKE_ISO_ALLOCATED_IMPL(CompressionStream); | ||
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| ExceptionOr<void> CompressionStream::createStreams() | ||
| { | ||
| // get global object | ||
| auto* globalObject = scriptExecutionContext() ? scriptExecutionContext()->globalObject() : nullptr; | ||
| if (!globalObject) | ||
| return Exception { InvalidStateError }; | ||
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| // setup readable stream | ||
| m_readableStreamSource = SimpleReadableStreamSource::create(); | ||
| auto readable = ReadableStream::create(*globalObject, m_readableStreamSource.copyRef()); | ||
| if (readable.hasException()) | ||
| return readable.releaseException(); | ||
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| m_readable = readable.releaseReturnValue(); | ||
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| // setup writable stream | ||
| auto simpleWritableStreamSink = SimpleWritableStreamSink::create([readableStreamSource = m_readableStreamSource, weakThis = WeakPtr { *this }](auto& context, auto value) -> ExceptionOr<void> { | ||
| if (!context.globalObject()) | ||
| return Exception { InvalidStateError }; | ||
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| UNUSED_PARAM(value); | ||
| return { }; | ||
| }); | ||
| auto writable = WritableStream::create(*JSC::jsCast<JSDOMGlobalObject*>(globalObject), simpleWritableStreamSink); | ||
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| m_writable = writable.releaseReturnValue(); | ||
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| return { }; | ||
| } | ||
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| ExceptionOr<RefPtr<ReadableStream>> CompressionStream::readable() | ||
| { | ||
| if (!m_readable) { | ||
| auto result = createStreams(); | ||
| if (result.hasException()) | ||
| return result.releaseException(); | ||
| } | ||
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| return m_readable.copyRef(); | ||
| } | ||
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| ExceptionOr<RefPtr<WritableStream>> CompressionStream::writable() | ||
| { | ||
| if (!m_writable) { | ||
| auto result = createStreams(); | ||
| if (result.hasException()) | ||
| return result.releaseException(); | ||
| } | ||
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| return m_writable.copyRef(); | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * Copyright (C) 2022 Apple Inc. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | ||
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | ||
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | ||
| * THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
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| #pragma once | ||
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| #include "ActiveDOMObject.h" | ||
| #include "Document.h" | ||
| #include "Event.h" | ||
| #include "EventTarget.h" | ||
| #include "ExceptionOr.h" | ||
| #include "Formats.h" | ||
| #include "ReadableStream.h" | ||
| #include "ReadableStreamSource.h" | ||
| #include "ScriptExecutionContext.h" | ||
| #include "WritableStream.h" | ||
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| #include <wtf/IsoMalloc.h> | ||
| #include <wtf/IsoMallocInlines.h> | ||
| #include <wtf/RefCounted.h> | ||
| #include <wtf/text/WTFString.h> | ||
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| namespace JSC { | ||
| class CallFrame; | ||
| class JSGlobalObject; | ||
| class JSValue; | ||
| } | ||
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| namespace WebCore { | ||
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| class CompressionStream : public RefCounted<CompressionStream>, | ||
| public ActiveDOMObject, | ||
| public EventTargetWithInlineData { | ||
| WTF_MAKE_ISO_ALLOCATED(CompressionStream); | ||
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| public: | ||
| ~CompressionStream() { } | ||
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| using RefCounted<CompressionStream>::ref; | ||
| using RefCounted<CompressionStream>::deref; | ||
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| // Initialize readable and writable streams | ||
| ExceptionOr<void> createStreams(); | ||
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| // Initialize Compression Streams and perform initial basic error handling | ||
| static ExceptionOr<Ref<CompressionStream>> create(Document& document, String string) | ||
| { | ||
| // gzip, deflate, and deflate-raw are the supported compression formats. | ||
| if (string == String("gzip", 4)) | ||
| return adoptRef(*new CompressionStream(document, string, Formats::Gzip)); | ||
| if (string == String("deflate", 7)) | ||
| return adoptRef(*new CompressionStream(document, string, Formats::Deflate)); | ||
| if (string == String("deflate-raw", 11)) | ||
| return adoptRef(*new CompressionStream(document, string, Formats::Deflate_raw)); | ||
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| // Section 5 | ||
| // 1. If format is unsupported in CompressionStream, then throw a TypeError. | ||
| return Exception(TypeError, "Please provide a supported compression algorithm ('gzip', 'deflate', or 'deflate-raw')."_s); | ||
| } | ||
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| ExceptionOr<RefPtr<ReadableStream>> readable(); | ||
| ExceptionOr<RefPtr<WritableStream>> writable(); | ||
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| Formats::CompressionFormat getCompressionFormat() { return m_format; } | ||
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| private: | ||
| CompressionStream(Document& document, String string, Formats::CompressionFormat format) | ||
| : ActiveDOMObject(document), m_string(string), m_format(format) | ||
| { | ||
| createStreams(); | ||
| } | ||
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| // Compression Format | ||
| const String m_string; | ||
| const Formats::CompressionFormat m_format; | ||
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| // Streams | ||
| RefPtr<ReadableStream> m_readable; | ||
| RefPtr<WritableStream> m_writable; | ||
| RefPtr<SimpleReadableStreamSource> m_readableStreamSource; | ||
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| // ActiveDOMObject | ||
| const char* activeDOMObjectName() const override { return "CompressionStream"; } | ||
| void stop() override { } | ||
| void suspend(ReasonForSuspension) override { } | ||
| bool virtualHasPendingActivity() const final { return false; } | ||
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| // EventTargetWithInlineData | ||
| EventTargetInterface eventTargetInterface() const override { return CompressionStreamEventTargetInterfaceType; } | ||
| ScriptExecutionContext* scriptExecutionContext() const override { return ActiveDOMObject::scriptExecutionContext(); } | ||
| void refEventTarget() override { ref(); } | ||
| void derefEventTarget() override { deref(); } | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Copyright (C) 2022 Apple Inc. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | ||
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | ||
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | ||
| * THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
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| // https://wicg.github.io/compression/#compression-stream | ||
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| [ | ||
| ActiveDOMObject, | ||
| EnabledBySetting=CompressionStreamEnabled, | ||
| Exposed=* | ||
| ] interface CompressionStream : EventTarget { | ||
| [CallWith=CurrentDocument] constructor(DOMString format); | ||
| }; | ||
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| CompressionStream includes GenericTransformStream; |
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