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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <JavaScriptCore/Error.h>
#include <WebCore/IDLTypes.h>
#include <WebCore/JSDOMConvertBase.h>
#include <WebCore/JSDOMGlobalObject.h>
namespace WebCore {
template<typename ImplementationClass> struct JSDOMWrapperConverterTraits;
template<typename T, typename Enable = void>
struct JSToWrappedOverloader {
using ReturnType = typename JSDOMWrapperConverterTraits<T>::ToWrappedReturnType;
using WrapperType = typename JSDOMWrapperConverterTraits<T>::WrapperClass;
static ReturnType toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
return WrapperType::toWrapped(JSC::getVM(&lexicalGlobalObject), value);
}
};
template<typename T>
requires JSDOMWrapperConverterTraits<T>::needsState
struct JSToWrappedOverloader<T> {
using ReturnType = typename JSDOMWrapperConverterTraits<T>::ToWrappedReturnType;
using WrapperType = typename JSDOMWrapperConverterTraits<T>::WrapperClass;
static ReturnType toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
return WrapperType::toWrapped(lexicalGlobalObject, value);
}
};
template<typename T> struct Converter<IDLInterface<T>> : DefaultConverter<IDLInterface<T>> {
using Result = ConversionResult<IDLInterface<T>>;
template<typename ExceptionThrower = DefaultExceptionThrower>
static Result convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
auto scope = DECLARE_THROW_SCOPE(vm);
RefPtr object = JSToWrappedOverloader<T>::toWrapped(lexicalGlobalObject, value);
if (!object) [[unlikely]] {
exceptionThrower(lexicalGlobalObject, scope);
return Result::exception();
}
return Result { *object };
}
};
template<typename T> struct JSConverter<IDLInterface<T>> {
static constexpr bool needsState = true;
static constexpr bool needsGlobalObject = true;
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U& value)
{
return toJS(&lexicalGlobalObject, &globalObject, Ref<T>(value));
}
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
{
return toJS(&lexicalGlobalObject, &globalObject, Ref<T>(const_cast<U&>(value)));
}
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, std::reference_wrapper<U> value)
{
return toJS(&lexicalGlobalObject, &globalObject, Ref<T>(value.get()));
}
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, Ref<U>& value)
{
return toJS(&lexicalGlobalObject, &globalObject, value);
}
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const Ref<U>& value)
{
return toJS(&lexicalGlobalObject, &globalObject, const_cast<Ref<U>&>(value));
}
template<std::derived_from<T> U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, Ref<U>&& value)
{
return toJS(&lexicalGlobalObject, &globalObject, WTF::move(value));
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, Ref<T>(value));
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, Ref<T>(const_cast<U&>(value)));
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, std::reference_wrapper<U> value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, Ref<T>(value.get()));
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, Ref<U>& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, value);
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const Ref<U>& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, const_cast<Ref<U>&>(value));
}
template<std::derived_from<T> U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, Ref<U>&& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, WTF::move(value));
}
};
template<typename T> struct VariadicConverter<IDLInterface<T>> {
using Item = std::reference_wrapper<T>;
static std::optional<Item> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
auto& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto result = WebCore::convert<IDLInterface<T>>(lexicalGlobalObject, value);
if (result.hasException(scope)) [[unlikely]]
return std::nullopt;
return Item { result.releaseReturnValue() };
}
};
} // namespace WebCore
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