mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
c0d7f748ed
This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/FlyString.h>
|
|
#include <LibJS/Runtime/TypedArray.h>
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/Encoding/TextDecoder.h>
|
|
#include <LibWeb/WebIDL/AbstractOperations.h>
|
|
#include <LibWeb/WebIDL/Buffers.h>
|
|
|
|
namespace Web::Encoding {
|
|
|
|
JS_DEFINE_ALLOCATOR(TextDecoder);
|
|
|
|
WebIDL::ExceptionOr<JS::NonnullGCPtr<TextDecoder>> TextDecoder::construct_impl(JS::Realm& realm, FlyString encoding, Optional<TextDecoderOptions> const& options)
|
|
{
|
|
auto& vm = realm.vm();
|
|
|
|
auto decoder = TextCodec::decoder_for(encoding);
|
|
if (!decoder.has_value())
|
|
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, TRY_OR_THROW_OOM(vm, String::formatted("Invalid encoding {}", encoding)) };
|
|
|
|
return realm.heap().allocate<TextDecoder>(realm, realm, *decoder, move(encoding), options.value_or({}).fatal, options.value_or({}).ignore_bom);
|
|
}
|
|
|
|
// https://encoding.spec.whatwg.org/#dom-textdecoder
|
|
TextDecoder::TextDecoder(JS::Realm& realm, TextCodec::Decoder& decoder, FlyString encoding, bool fatal, bool ignore_bom)
|
|
: PlatformObject(realm)
|
|
, m_decoder(decoder)
|
|
, m_encoding(move(encoding))
|
|
, m_fatal(fatal)
|
|
, m_ignore_bom(ignore_bom)
|
|
{
|
|
}
|
|
|
|
TextDecoder::~TextDecoder() = default;
|
|
|
|
void TextDecoder::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
WEB_SET_PROTOTYPE_FOR_INTERFACE(TextDecoder);
|
|
}
|
|
|
|
// https://encoding.spec.whatwg.org/#dom-textdecoder-decode
|
|
WebIDL::ExceptionOr<String> TextDecoder::decode(Optional<JS::Handle<WebIDL::BufferSource>> const& input, Optional<TextDecodeOptions> const&) const
|
|
{
|
|
if (!input.has_value())
|
|
return TRY_OR_THROW_OOM(vm(), m_decoder.to_utf8({}));
|
|
|
|
// FIXME: Implement the streaming stuff.
|
|
auto data_buffer_or_error = WebIDL::get_buffer_source_copy(*input.value()->raw_object());
|
|
if (data_buffer_or_error.is_error())
|
|
return WebIDL::OperationError::create(realm(), "Failed to copy bytes from ArrayBuffer"_fly_string);
|
|
auto& data_buffer = data_buffer_or_error.value();
|
|
return TRY_OR_THROW_OOM(vm(), m_decoder.to_utf8({ data_buffer.data(), data_buffer.size() }));
|
|
}
|
|
|
|
}
|