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/*
* Copyright (C) 2017 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 CANON INC. ``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 CANON INC. OR
* 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 "JSDOMBinding.h"
#include "JSDOMConvert.h"
#include <JavaScriptCore/BuiltinNames.h>
#include <JavaScriptCore/CommonIdentifiers.h>
namespace WebCore {
// FIXME: Optimize / rework maplike<> and setlike<> declarations.
// A few ideas in https://bugs.webkit.org/show_bug.cgi?id=241639.
WEBCORE_EXPORT std::pair<bool, std::reference_wrapper<JSC::JSObject>> getBackingMap(JSC::JSGlobalObject&, JSC::JSObject& mapLike);
WEBCORE_EXPORT JSC::JSValue forwardAttributeGetterToBackingMap(JSC::JSGlobalObject&, JSC::JSObject&, const JSC::Identifier&);
WEBCORE_EXPORT JSC::JSValue forwardFunctionCallToBackingMap(JSC::JSGlobalObject&, JSC::CallFrame&, JSC::JSObject&, const JSC::Identifier&);
WEBCORE_EXPORT JSC::JSValue forwardForEachCallToBackingMap(JSDOMGlobalObject&, JSC::CallFrame&, JSC::JSObject&);
WEBCORE_EXPORT void clearBackingMap(JSC::JSGlobalObject&, JSC::JSObject&);
WEBCORE_EXPORT void setToBackingMap(JSC::JSGlobalObject&, JSC::JSObject&, JSC::JSValue, JSC::JSValue);
template<typename WrapperClass> JSC::JSValue forwardSizeToMapLike(JSC::JSGlobalObject&, WrapperClass&);
template<typename WrapperClass> JSC::JSValue forwardEntriesToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&);
template<typename WrapperClass> JSC::JSValue forwardKeysToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&);
template<typename WrapperClass> JSC::JSValue forwardValuesToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&);
template<typename WrapperClass> JSC::JSValue forwardClearToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&);
template<typename WrapperClass, typename Callback> JSC::JSValue forwardForEachToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&, Callback&&);
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardGetToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&, ItemType&&);
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardHasToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&, ItemType&&);
template<typename WrapperClass, typename ItemType, typename ValueType> JSC::JSValue forwardSetToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&, ItemType&&, ValueType&&);
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardDeleteToMapLike(JSC::JSGlobalObject&, JSC::CallFrame&, WrapperClass&, ItemType&&);
class DOMMapAdapter {
public:
DOMMapAdapter(JSC::JSGlobalObject&, JSC::JSObject&);
template<typename IDLKeyType, typename IDLValueType> void set(typename IDLKeyType::ParameterType, typename IDLValueType::ParameterType);
void clear();
private:
JSC::JSGlobalObject& m_lexicalGlobalObject;
JSC::JSObject& m_backingMap;
};
inline DOMMapAdapter::DOMMapAdapter(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject& backingMap)
: m_lexicalGlobalObject(lexicalGlobalObject)
, m_backingMap(backingMap)
{
}
template<typename IDLKeyType, typename IDLValueType>
void DOMMapAdapter::set(typename IDLKeyType::ParameterType key, typename IDLValueType::ParameterType value)
{
JSC::JSLockHolder locker(&m_lexicalGlobalObject);
auto jsKey = toJS<IDLKeyType>(m_lexicalGlobalObject, *JSC::jsCast<JSDOMGlobalObject*>(&m_lexicalGlobalObject), std::forward<typename IDLKeyType::ParameterType>(key));
auto jsValue = toJS<IDLValueType>(m_lexicalGlobalObject, *JSC::jsCast<JSDOMGlobalObject*>(&m_lexicalGlobalObject), std::forward<typename IDLValueType::ParameterType>(value));
setToBackingMap(m_lexicalGlobalObject, m_backingMap, jsKey, jsValue);
}
template<typename WrapperClass> JSC::JSObject& getAndInitializeBackingMap(JSC::JSGlobalObject& lexicalGlobalObject, WrapperClass& mapLike)
{
auto pair = getBackingMap(lexicalGlobalObject, mapLike);
if (pair.first) {
DOMMapAdapter adapter { lexicalGlobalObject, pair.second.get() };
mapLike.wrapped().initializeMapLike(adapter);
}
return pair.second.get();
}
template<typename WrapperClass> JSC::JSValue forwardSizeToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, WrapperClass& mapLike)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardAttributeGetterToBackingMap(lexicalGlobalObject, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().sizePrivateName());
}
template<typename WrapperClass> JSC::JSValue forwardEntriesToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().entriesPrivateName());
}
template<typename WrapperClass> JSC::JSValue forwardKeysToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().keysPrivateName());
}
template<typename WrapperClass> JSC::JSValue forwardValuesToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().valuesPrivateName());
}
template<typename WrapperClass> JSC::JSValue forwardClearToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike)
{
mapLike.wrapped().clear();
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().clearPrivateName());
}
template<typename WrapperClass, typename Callback> JSC::JSValue forwardForEachToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike, Callback&&)
{
getAndInitializeBackingMap(lexicalGlobalObject, mapLike);
return forwardForEachCallToBackingMap(*JSC::jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject), callFrame, mapLike);
}
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardGetToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike, ItemType&&)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().getPrivateName());
}
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardHasToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike, ItemType&&)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
return forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().hasPrivateName());
}
template<typename WrapperClass, typename KeyType, typename ValueType> JSC::JSValue forwardSetToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike, KeyType&& key, ValueType&& value)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
mapLike.wrapped().setFromMapLike(std::forward<KeyType>(key), std::forward<ValueType>(value));
forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, getAndInitializeBackingMap(lexicalGlobalObject, mapLike), vm.propertyNames->builtinNames().setPrivateName());
return &mapLike;
}
template<typename WrapperClass, typename ItemType> JSC::JSValue forwardDeleteToMapLike(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, WrapperClass& mapLike, ItemType&& item)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
auto& backingMap = getAndInitializeBackingMap(lexicalGlobalObject, mapLike);
auto isDeleted = mapLike.wrapped().remove(std::forward<ItemType>(item));
UNUSED_PARAM(isDeleted);
auto result = forwardFunctionCallToBackingMap(lexicalGlobalObject, callFrame, backingMap, vm.propertyNames->builtinNames().deletePrivateName());
ASSERT_UNUSED(result, result.asBoolean() == isDeleted);
return result;
}
}
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