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Diffstat (limited to 'src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h')
-rw-r--r-- | src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h deleted file mode 100644 index a3e4b5cc4..000000000 --- a/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h +++ /dev/null @@ -1,150 +0,0 @@ -/* - * 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 "JSDOMConvertAny.h" -#include "JSDOMConvertInterface.h" -#include "JSDOMConvertNumbers.h" -#include "JSDOMConvertStrings.h" - -namespace WebCore { - -namespace Detail { - -template<typename IDLType> -struct NullableConversionType; - -template<typename IDLType> -struct NullableConversionType { - using Type = typename IDLNullable<IDLType>::ImplementationType; -}; - -template<typename T> -struct NullableConversionType<IDLInterface<T>> { - using Type = typename Converter<IDLInterface<T>>::ReturnType; -}; - -template<> -struct NullableConversionType<IDLAny> { - using Type = typename Converter<IDLAny>::ReturnType; -}; - -} - -template<typename T> struct Converter<IDLNullable<T>> : DefaultConverter<IDLNullable<T>> { - using ReturnType = typename Detail::NullableConversionType<T>::Type; - - // 1. If Type(V) is not Object, and the conversion to an IDL value is being performed - // due to V being assigned to an attribute whose type is a nullable callback function - // that is annotated with [LegacyTreatNonObjectAsNull], then return the IDL nullable - // type T? value null. - // - // NOTE: Handled elsewhere. - // - // 2. Otherwise, if V is null or undefined, then return the IDL nullable type T? value null. - // 3. Otherwise, return the result of converting V using the rules for the inner IDL type T. - - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value); - } - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value, thisObject); - } - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value, globalObject); - } - template<typename ExceptionThrower = DefaultExceptionThrower> - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower)); - } - template<typename ExceptionThrower = DefaultExceptionThrower> - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject, ExceptionThrower&& exceptionThrower) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value, thisObject, std::forward<ExceptionThrower>(exceptionThrower)); - } - template<typename ExceptionThrower = DefaultExceptionThrower> - static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject, ExceptionThrower&& exceptionThrower) - { - if (value.isUndefinedOrNull()) - return T::nullValue(); - return Converter<T>::convert(lexicalGlobalObject, value, globalObject, std::forward<ExceptionThrower>(exceptionThrower)); - } -}; - -template<typename T> struct JSConverter<IDLNullable<T>> { - using ImplementationType = typename IDLNullable<T>::ImplementationType; - - static constexpr bool needsState = JSConverter<T>::needsState; - static constexpr bool needsGlobalObject = JSConverter<T>::needsGlobalObject; - - template<typename U> - static JSC::JSValue convert(U&& value) - { - if (T::isNullValue(value)) - return JSC::jsNull(); - return JSConverter<T>::convert(T::extractValueFromNullable(value)); - } - template<typename U> - static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, U&& value) - { - if (T::isNullValue(value)) - return JSC::jsNull(); - return JSConverter<T>::convert(lexicalGlobalObject, T::extractValueFromNullable(value)); - } - template<typename U> - static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value) - { - if (T::isNullValue(value)) - return JSC::jsNull(); - return JSConverter<T>::convert(lexicalGlobalObject, globalObject, T::extractValueFromNullable(value)); - } - - template<typename U> - static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value) - { - if (T::isNullValue(value)) - return JSC::jsNull(); - return JSConverter<T>::convert(lexicalGlobalObject, globalObject, T::extractValueFromNullable(value)); - } -}; - - -} // namespace WebCore |