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LibWeb: Add FormDataIterator implementation

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This adds the FormDataIterator implementation so we can iterate over
FormData.{keys(),values(),entries()}.
This commit is contained in:
Kenneth Myhra 2023-03-05 17:29:11 +01:00 • committed by Linus Groh
parent 680e970597
commit be52e7171a
8 changed files with 133 additions and 2 deletions
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79
Userland/Libraries/LibWeb/XHR/FormDataIterator.cpp Normal file
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/*
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/IteratorOperations.h>
#include <LibWeb/Bindings/FormDataIteratorPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/XHR/FormDataIterator.h>
namespace Web::Bindings {
template<>
void Intrinsics::create_web_prototype_and_constructor<FormDataIteratorPrototype>(JS::Realm& realm)
{
auto prototype = heap().allocate<FormDataIteratorPrototype>(realm, realm).release_allocated_value_but_fixme_should_propagate_errors();
m_prototypes.set("FormDataIterator"sv, prototype);
}
}
namespace Web::XHR {
WebIDL::ExceptionOr<JS::NonnullGCPtr<FormDataIterator>> FormDataIterator::create(FormData const& form_data, JS::Object::PropertyKind iterator_kind)
{
return MUST_OR_THROW_OOM(form_data.heap().allocate<FormDataIterator>(form_data.realm(), form_data, iterator_kind));
}
FormDataIterator::FormDataIterator(Web::XHR::FormData const& form_data, JS::Object::PropertyKind iterator_kind)
: PlatformObject(form_data.realm())
, m_form_data(form_data)
, m_iterator_kind(iterator_kind)
{
}
FormDataIterator::~FormDataIterator() = default;
JS::ThrowCompletionOr<void> FormDataIterator::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::FormDataIteratorPrototype>(realm, "FormDataIterator"));
return {};
}
void FormDataIterator::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(&m_form_data);
}
JS::Object* FormDataIterator::next()
{
auto& vm = this->vm();
if (m_index >= m_form_data.m_entry_list.size())
return create_iterator_result_object(vm, JS::js_undefined(), true);
auto& entry = m_form_data.m_entry_list[m_index++];
if (m_iterator_kind == JS::Object::PropertyKind::Key)
return create_iterator_result_object(vm, JS::PrimitiveString::create(vm, entry.name), false);
auto entry_value = entry.value.visit(
[&](JS::Handle<FileAPI::File> const& file) -> JS::Value {
return file.cell();
},
[&](String const& string) -> JS::Value {
return JS::PrimitiveString::create(vm, string);
});
if (m_iterator_kind == JS::Object::PropertyKind::Value)
return create_iterator_result_object(vm, entry_value, false);
return create_iterator_result_object(vm, JS::Array::create_from(realm(), { JS::PrimitiveString::create(vm, entry.name), entry_value }), false);
}
}