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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 "IDLTypes.h"
#include "JSDOMConvertBase.h"
#include "JSDOMGlobalObject.h"
#include <JavaScriptCore/Error.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>
struct JSToWrappedOverloader<T, typename std::enable_if<JSDOMWrapperConverterTraits<T>::needsState>::type> {
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);
auto object = JSToWrappedOverloader<T>::toWrapped(lexicalGlobalObject, value);
if (UNLIKELY(!object)) {
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 <typename U>
static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
{
return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
}
template<typename U>
static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
{
return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, std::forward<U>(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 (UNLIKELY(result.hasException(scope)))
return std::nullopt;
return Item { *result.releaseReturnValue() };
}
};
} // namespace WebCore
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