b6bef6b688
Produce JS-visible string results as UTF-16 at their source, including numeric formatting, BigInt and BigFraction formatting, URI encoding, console formatting, parser errors, regular expression errors, Intl and Temporal records, LibUnicode locale boundaries, and LibWeb bindings. Handle fractional radix formatting through the UTF-16 builder view.
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@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 <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/Iterator.h>
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#include <LibTextCodec/Decoder.h>
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#include <LibWeb/Bindings/Headers.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Fetch/HeadersIterator.h>
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namespace Web::Bindings {
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template<>
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void Intrinsics::create_web_prototype_and_constructor<HeadersIteratorPrototype>(JS::Realm& realm)
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{
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auto prototype = realm.create<HeadersIteratorPrototype>(realm);
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m_prototypes.set("HeadersIterator"_fly_string, prototype);
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}
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}
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namespace Web::Fetch {
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GC_DEFINE_ALLOCATOR(HeadersIterator);
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GC::Ref<HeadersIterator> HeadersIterator::create(Headers const& headers, JS::Object::PropertyKind iteration_kind)
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{
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return headers.realm().create<HeadersIterator>(headers, iteration_kind);
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}
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HeadersIterator::HeadersIterator(Headers const& headers, JS::Object::PropertyKind iteration_kind)
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: PlatformObject(headers.realm())
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, m_headers(headers)
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, m_iteration_kind(iteration_kind)
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{
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}
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HeadersIterator::~HeadersIterator() = default;
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void HeadersIterator::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HeadersIterator);
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Base::initialize(realm);
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}
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void HeadersIterator::visit_edges(JS::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_headers);
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}
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// https://webidl.spec.whatwg.org/#es-iterable, Step 2
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GC::Ref<JS::Object> HeadersIterator::next()
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{
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// The value pairs to iterate over are the return value of running sort and combine with this’s header list.
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auto value_pairs_to_iterate_over = [&]() {
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return m_headers->m_header_list->sort_and_combine();
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};
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auto pairs = value_pairs_to_iterate_over();
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if (m_index >= pairs.size())
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return create_iterator_result_object(vm(), JS::js_undefined(), true);
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auto const& pair = pairs[m_index++];
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auto pair_name = TextCodec::isomorphic_decode(pair.name);
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auto pair_value = TextCodec::isomorphic_decode(pair.value);
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switch (m_iteration_kind) {
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case JS::Object::PropertyKind::Key:
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return create_iterator_result_object(vm(), JS::PrimitiveString::create(vm(), Utf16String::from_utf8(pair_name)), false);
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case JS::Object::PropertyKind::Value:
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return create_iterator_result_object(vm(), JS::PrimitiveString::create(vm(), Utf16String::from_utf8(pair_value)), false);
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case JS::Object::PropertyKind::KeyAndValue: {
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auto array = JS::Array::create_from(realm(), { JS::PrimitiveString::create(vm(), Utf16String::from_utf8(pair_name)), JS::PrimitiveString::create(vm(), Utf16String::from_utf8(pair_value)) });
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return create_iterator_result_object(vm(), array, false);
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}
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default:
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VERIFY_NOT_REACHED();
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}
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}
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}
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