16c0646b9d
We had a very basic implementation of TextEncoder, let's add a TextDecoder next to that :^)
63 lines
1.8 KiB
C++
63 lines
1.8 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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#pragma once
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#include <AK/Forward.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <LibJS/Forward.h>
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#include <LibTextCodec/Decoder.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/Forward.h>
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namespace Web::Encoding {
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// https://encoding.spec.whatwg.org/#textdecoder
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class TextDecoder
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: public RefCounted<TextDecoder>
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::TextDecoderWrapper;
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static DOM::ExceptionOr<NonnullRefPtr<TextDecoder>> create(FlyString encoding)
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{
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auto decoder = TextCodec::decoder_for(encoding);
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if (!decoder)
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return DOM::SimpleException { DOM::SimpleExceptionType::TypeError, String::formatted("Invalid encoding {}", encoding) };
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return adopt_ref(*new TextDecoder(*decoder, move(encoding), false, false));
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}
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static DOM::ExceptionOr<NonnullRefPtr<TextDecoder>> create_with_global_object(Bindings::WindowObject&, FlyString label)
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{
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return TextDecoder::create(move(label));
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}
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DOM::ExceptionOr<String> decode(JS::Handle<JS::Object> const&) const;
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FlyString const& encoding() const { return m_encoding; }
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bool fatal() const { return m_fatal; }
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bool ignore_bom() const { return m_ignore_bom; };
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protected:
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// https://encoding.spec.whatwg.org/#dom-textdecoder
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TextDecoder(TextCodec::Decoder& decoder, FlyString encoding, bool fatal, bool ignore_bom)
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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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TextCodec::Decoder& m_decoder;
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FlyString m_encoding;
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bool m_fatal { false };
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bool m_ignore_bom { false };
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};
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}
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