44 lines
2 KiB
C++
44 lines
2 KiB
C++
/*
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* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@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 <LibWeb/HTML/FormControlInfrastructure.h>
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#include <LibWeb/Infra/Strings.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#create-an-entry
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WebIDL::ExceptionOr<Entry> create_entry(JS::Realm& realm, String const& name, Variant<JS::NonnullGCPtr<FileAPI::Blob>, String> const& value, Optional<String> const& filename)
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{
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auto& vm = realm.vm();
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// 1. Set name to the result of converting name into a scalar value string.
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auto entry_name = TRY_OR_THROW_OOM(realm.vm(), Infra::convert_to_scalar_value_string(name));
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auto entry_value = TRY(value.visit(
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// 2. If value is a string, then set value to the result of converting value into a scalar value string.
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[&](String const& string) -> WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<FileAPI::File>, String>> {
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return TRY_OR_THROW_OOM(vm, Infra::convert_to_scalar_value_string(string));
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},
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// 3. Otherwise:
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[&](JS::NonnullGCPtr<FileAPI::Blob> const& blob) -> WebIDL::ExceptionOr<Variant<JS::NonnullGCPtr<FileAPI::File>, String>> {
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// 1. If value is not a File object, then set value to a new File object, representing the same bytes, whose name attribute value is "blob".
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// 2. If filename is given, then set value to a new File object, representing the same bytes, whose name attribute is filename.
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String name_attribute;
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if (filename.has_value())
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name_attribute = filename.value();
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else
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name_attribute = TRY_OR_THROW_OOM(vm, String::from_utf8("blob"sv));
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return TRY(FileAPI::File::create(realm, { JS::make_handle(*blob) }, name_attribute.to_deprecated_string(), {}));
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}));
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// 4. Return an entry whose name is name and whose value is value.
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return Entry {
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.name = move(entry_name),
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.value = move(entry_value),
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};
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}
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}
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