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https://github.com/LadybirdBrowser/ladybird.git
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0e3fb39a0a
Previously this was compiled to require an object despite the IDL file specifying 'optional'. This commit makes IDLGenerator respect this modifier, and fixes the only affected instance.
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
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/DeprecatedFlyString.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Encoding/TextDecoder.h>
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#include <LibWeb/WebIDL/AbstractOperations.h>
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namespace Web::Encoding {
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WebIDL::ExceptionOr<JS::NonnullGCPtr<TextDecoder>> TextDecoder::construct_impl(JS::Realm& realm, DeprecatedFlyString encoding)
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{
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auto& vm = realm.vm();
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auto decoder = TextCodec::decoder_for(encoding);
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if (!decoder.has_value())
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, TRY_OR_THROW_OOM(vm, String::formatted("Invalid encoding {}", encoding)) };
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return MUST_OR_THROW_OOM(realm.heap().allocate<TextDecoder>(realm, realm, *decoder, move(encoding), false, false));
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}
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// https://encoding.spec.whatwg.org/#dom-textdecoder
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TextDecoder::TextDecoder(JS::Realm& realm, TextCodec::Decoder& decoder, DeprecatedFlyString encoding, bool fatal, bool ignore_bom)
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: PlatformObject(realm)
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, m_decoder(decoder)
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, m_encoding(move(encoding))
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, m_fatal(fatal)
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, m_ignore_bom(ignore_bom)
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{
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}
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TextDecoder::~TextDecoder() = default;
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JS::ThrowCompletionOr<void> TextDecoder::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::TextDecoderPrototype>(realm, "TextDecoder"));
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return {};
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}
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// https://encoding.spec.whatwg.org/#dom-textdecoder-decode
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WebIDL::ExceptionOr<DeprecatedString> TextDecoder::decode(Optional<JS::Handle<JS::Object>> const& input) const
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{
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if (!input.has_value())
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return TRY_OR_THROW_OOM(vm(), m_decoder.to_utf8({}));
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// FIXME: Implement the streaming stuff.
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auto data_buffer_or_error = WebIDL::get_buffer_source_copy(*input->cell());
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if (data_buffer_or_error.is_error())
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return WebIDL::OperationError::create(realm(), "Failed to copy bytes from ArrayBuffer");
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auto& data_buffer = data_buffer_or_error.value();
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return TRY_OR_THROW_OOM(vm(), m_decoder.to_utf8({ data_buffer.data(), data_buffer.size() }));
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}
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}
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