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	 0e3fb39a0a
			
		
	
	
		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.
		
			
				
	
	
		
			61 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			61 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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| 
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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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| 
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| namespace Web::Encoding {
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| TextDecoder::~TextDecoder() = default;
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| 
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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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| 
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|     return {};
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| }
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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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| 
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|     // FIXME: Implement the streaming stuff.
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| 
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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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| }
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