9fe12c1851
This is a minor refactor of IDL::get_buffer_source_copy() letting it return ErrorOr<ByteBuffer> instead of Optional<ByteBuffer>. This also updates all places that use IDL::get_buffer_source_copy().
27 lines
878 B
C++
27 lines
878 B
C++
/*
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* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/FlyString.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibWeb/Bindings/IDLAbstractOperations.h>
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#include <LibWeb/Bindings/Wrapper.h>
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#include <LibWeb/Encoding/TextDecoder.h>
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namespace Web::Encoding {
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// https://encoding.spec.whatwg.org/#dom-textdecoder-decode
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DOM::ExceptionOr<String> TextDecoder::decode(JS::Handle<JS::Object> const& input) const
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{
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// FIXME: Implement the streaming stuff.
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auto data_buffer_or_error = Bindings::IDL::get_buffer_source_copy(*input.cell());
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if (data_buffer_or_error.is_error())
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return DOM::OperationError::create("Failed to copy bytes from ArrayBuffer");
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auto& data_buffer = data_buffer_or_error.value();
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return m_decoder.to_utf8({ data_buffer.data(), data_buffer.size() });
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}
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}
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