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LibWeb: Use ArrayBufferView for ReadableStreamBYOBReader
Which means that we now have support for DataViews. Using the ArrayBufferView class also seems to make this read a whole bunch nicer as well.
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7 changed files with 41 additions and 37 deletions
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@ -34,6 +34,7 @@
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#include <LibWeb/Streams/WritableStreamDefaultController.h>
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#include <LibWeb/Streams/WritableStreamDefaultWriter.h>
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#include <LibWeb/WebIDL/AbstractOperations.h>
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#include <LibWeb/WebIDL/Buffers.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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#include <LibWeb/WebIDL/Promise.h>
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@ -659,15 +660,11 @@ JS::Value readable_byte_stream_controller_convert_pull_into_descriptor(JS::Realm
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}
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// https://streams.spec.whatwg.org/#readable-byte-stream-controller-pull-into
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void readable_byte_stream_controller_pull_into(ReadableByteStreamController& controller, JS::Value view_value, ReadIntoRequest& read_into_request)
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void readable_byte_stream_controller_pull_into(ReadableByteStreamController& controller, WebIDL::ArrayBufferView& view, ReadIntoRequest& read_into_request)
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{
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auto& vm = controller.vm();
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auto& realm = controller.realm();
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// FIXME: Support DataView
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auto& view_object = view_value.as_object();
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auto const& view = verify_cast<JS::TypedArrayBase>(view_object);
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// 1. Let stream be controller.[[stream]].
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auto stream = controller.stream();
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@ -678,32 +675,34 @@ void readable_byte_stream_controller_pull_into(ReadableByteStreamController& con
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JS::NativeFunction* ctor = realm.intrinsics().data_view_constructor();
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// 4. If view has a [[TypedArrayName]] internal slot (i.e., it is not a DataView),
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if (!is<JS::DataView>(view_object)) {
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if (view.bufferable_object().has<JS::NonnullGCPtr<JS::TypedArrayBase>>()) {
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auto const& typed_array = view.bufferable_object().get<JS::NonnullGCPtr<JS::TypedArrayBase>>();
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// 1. Set elementSize to the element size specified in the typed array constructors table for view.[[TypedArrayName]].
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element_size = view.element_size();
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element_size = typed_array->element_size();
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// 2. Set ctor to the constructor specified in the typed array constructors table for view.[[TypedArrayName]].
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if (is<JS::Int16Array>(view_object))
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if (is<JS::Int16Array>(*typed_array))
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ctor = realm.intrinsics().int16_array_constructor();
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else if (is<JS::Int32Array>(view_object))
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else if (is<JS::Int32Array>(*typed_array))
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ctor = realm.intrinsics().int32_array_constructor();
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else if (is<JS::Int8Array>(view_object))
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else if (is<JS::Int8Array>(*typed_array))
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ctor = realm.intrinsics().int8_array_constructor();
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else if (is<JS::Uint8Array>(view_object))
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else if (is<JS::Uint8Array>(*typed_array))
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ctor = realm.intrinsics().uint8_array_constructor();
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else if (is<JS::Uint16Array>(view_object))
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else if (is<JS::Uint16Array>(*typed_array))
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ctor = realm.intrinsics().uint16_array_constructor();
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else if (is<JS::Uint32Array>(view_object))
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else if (is<JS::Uint32Array>(*typed_array))
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ctor = realm.intrinsics().uint32_array_constructor();
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else if (is<JS::Uint8ClampedArray>(view_object))
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else if (is<JS::Uint8ClampedArray>(*typed_array))
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ctor = realm.intrinsics().uint8_clamped_array_constructor();
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else if (is<JS::BigInt64Array>(view_object))
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else if (is<JS::BigInt64Array>(*typed_array))
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ctor = realm.intrinsics().big_int64_array_constructor();
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else if (is<JS::BigUint64Array>(view_object))
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else if (is<JS::BigUint64Array>(*typed_array))
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ctor = realm.intrinsics().big_uint64_array_constructor();
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else if (is<JS::Float32Array>(view_object))
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else if (is<JS::Float32Array>(*typed_array))
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ctor = realm.intrinsics().float32_array_constructor();
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else if (is<JS::Float64Array>(view_object))
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else if (is<JS::Float64Array>(*typed_array))
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ctor = realm.intrinsics().float64_array_constructor();
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else
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VERIFY_NOT_REACHED();
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@ -812,7 +811,7 @@ void readable_byte_stream_controller_pull_into(ReadableByteStreamController& con
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}
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// https://streams.spec.whatwg.org/#readable-stream-byob-reader-read
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void readable_stream_byob_reader_read(ReadableStreamBYOBReader& reader, JS::Value view, ReadIntoRequest& read_into_request)
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void readable_stream_byob_reader_read(ReadableStreamBYOBReader& reader, WebIDL::ArrayBufferView& view, ReadIntoRequest& read_into_request)
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{
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// 1. Let stream be reader.[[stream]].
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auto stream = reader.stream();
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