DerivedSources/WebCore/JSNodeList.cpp

/*
    This file is part of the WebKit open source project.
    This file has been generated by generate-bindings.pl. DO NOT MODIFY!

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "config.h"
#include "JSNodeList.h"

#include "ExceptionCode.h"
#include "JSDOMBinding.h"
#include "JSDOMConstructor.h"
#include "JSDOMConvert.h"
#include "JSDOMIterator.h"
#include "JSNode.h"
#include "Node.h"
#include "RuntimeEnabledFeatures.h"
#include <runtime/Error.h>
#include <runtime/FunctionPrototype.h>
#include <runtime/PropertyNameArray.h>
#include <wtf/GetPtr.h>

using namespace JSC;

namespace WebCore {

// Functions

JSC::EncodedJSValue JSC_HOST_CALL jsNodeListPrototypeFunctionItem(JSC::ExecState*);

// Attributes

JSC::EncodedJSValue jsNodeListLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
JSC::EncodedJSValue jsNodeListConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
bool setJSNodeListConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

class JSNodeListPrototype : public JSC::JSNonFinalObject {
public:
    typedef JSC::JSNonFinalObject Base;
    static JSNodeListPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
    {
        JSNodeListPrototype* ptr = new (NotNull, JSC::allocateCell<JSNodeListPrototype>(vm.heap)) JSNodeListPrototype(vm, globalObject, structure);
        ptr->finishCreation(vm);
        return ptr;
    }

    DECLARE_INFO;
    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
    {
        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
    }

private:
    JSNodeListPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
        : JSC::JSNonFinalObject(vm, structure)
    {
    }

    void finishCreation(JSC::VM&);
};

typedef JSDOMConstructorNotConstructable<JSNodeList> JSNodeListConstructor;

template<> JSValue JSNodeListConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
{
    UNUSED_PARAM(vm);
    return globalObject.functionPrototype();
}

template<> void JSNodeListConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
{
    putDirect(vm, vm.propertyNames->prototype, JSNodeList::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
    putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("NodeList"))), ReadOnly | DontEnum);
    putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum);
}

template<> const ClassInfo JSNodeListConstructor::s_info = { "NodeList", &Base::s_info, 0, CREATE_METHOD_TABLE(JSNodeListConstructor) };

/* Hash table for prototype */

static const HashTableValue JSNodeListPrototypeTableValues[] =
{
    { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsNodeListConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSNodeListConstructor) } },
    { "length", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsNodeListLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
    { "item", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsNodeListPrototypeFunctionItem), (intptr_t) (1) } },
};

const ClassInfo JSNodeListPrototype::s_info = { "NodeListPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSNodeListPrototype) };

void JSNodeListPrototype::finishCreation(VM& vm)
{
    Base::finishCreation(vm);
    reifyStaticProperties(vm, JSNodeListPrototypeTableValues, *this);
    if (RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
        addValueIterableMethods(*globalObject(), *this);
    }
}

const ClassInfo JSNodeList::s_info = { "NodeList", &Base::s_info, 0, CREATE_METHOD_TABLE(JSNodeList) };

JSNodeList::JSNodeList(Structure* structure, JSDOMGlobalObject& globalObject, Ref<NodeList>&& impl)
    : JSDOMWrapper<NodeList>(structure, globalObject, WTFMove(impl))
{
}

JSObject* JSNodeList::createPrototype(VM& vm, JSGlobalObject* globalObject)
{
    return JSNodeListPrototype::create(vm, globalObject, JSNodeListPrototype::createStructure(vm, globalObject, globalObject->objectPrototype()));
}

JSObject* JSNodeList::prototype(VM& vm, JSGlobalObject* globalObject)
{
    return getDOMPrototype<JSNodeList>(vm, globalObject);
}

void JSNodeList::destroy(JSC::JSCell* cell)
{
    JSNodeList* thisObject = static_cast<JSNodeList*>(cell);
    thisObject->JSNodeList::~JSNodeList();
}

bool JSNodeList::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot)
{
    auto* thisObject = jsCast<JSNodeList*>(object);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Optional<uint32_t> optionalIndex = parseIndex(propertyName);
    if (optionalIndex && optionalIndex.value() < thisObject->wrapped().length()) {
        unsigned index = optionalIndex.value();
        unsigned attributes = ReadOnly;
        slot.setValue(thisObject, attributes, toJS(state, thisObject->globalObject(), thisObject->wrapped().item(index)));
        return true;
    }
    if (Base::getOwnPropertySlot(thisObject, state, propertyName, slot))
        return true;
    return false;
}

bool JSNodeList::getOwnPropertySlotByIndex(JSObject* object, ExecState* state, unsigned index, PropertySlot& slot)
{
    auto* thisObject = jsCast<JSNodeList*>(object);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    if (LIKELY(index < thisObject->wrapped().length())) {
        unsigned attributes = DontDelete | ReadOnly;
        slot.setValue(thisObject, attributes, toJS(state, thisObject->globalObject(), thisObject->wrapped().item(index)));
        return true;
    }
    return Base::getOwnPropertySlotByIndex(thisObject, state, index, slot);
}

EncodedJSValue jsNodeListLength(ExecState* state, EncodedJSValue thisValue, PropertyName)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(thisValue);
    JSValue decodedThisValue = JSValue::decode(thisValue);
    auto* castedThis = jsDynamicCast<JSNodeList*>(decodedThisValue);
    if (UNLIKELY(!castedThis)) {
        return throwGetterTypeError(*state, throwScope, "NodeList", "length");
    }
    auto& impl = castedThis->wrapped();
    JSValue result = jsNumber(impl.length());
    return JSValue::encode(result);
}


EncodedJSValue jsNodeListConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    JSNodeListPrototype* domObject = jsDynamicCast<JSNodeListPrototype*>(JSValue::decode(thisValue));
    if (UNLIKELY(!domObject))
        return throwVMTypeError(state, throwScope);
    return JSValue::encode(JSNodeList::getConstructor(state->vm(), domObject->globalObject()));
}

bool setJSNodeListConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    JSValue value = JSValue::decode(encodedValue);
    JSNodeListPrototype* domObject = jsDynamicCast<JSNodeListPrototype*>(JSValue::decode(thisValue));
    if (UNLIKELY(!domObject)) {
        throwVMTypeError(state, throwScope);
        return false;
    }
    // Shadowing a built-in constructor
    return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
}

void JSNodeList::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    auto* thisObject = jsCast<JSNodeList*>(object);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i)
        propertyNames.add(Identifier::from(state, i));
    Base::getOwnPropertyNames(thisObject, state, propertyNames, mode);
}

JSValue JSNodeList::getConstructor(VM& vm, const JSGlobalObject* globalObject)
{
    return getDOMConstructor<JSNodeListConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
}

EncodedJSValue JSC_HOST_CALL jsNodeListPrototypeFunctionItem(ExecState* state)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    JSValue thisValue = state->thisValue();
    auto castedThis = jsDynamicCast<JSNodeList*>(thisValue);
    if (UNLIKELY(!castedThis))
        return throwThisTypeError(*state, throwScope, "NodeList", "item");
    ASSERT_GC_OBJECT_INHERITS(castedThis, JSNodeList::info());
    auto& impl = castedThis->wrapped();
    if (UNLIKELY(state->argumentCount() < 1))
        return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
    auto index = convert<uint32_t>(*state, state->uncheckedArgument(0), NormalConversion);
    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
    JSValue result = toJS(state, castedThis->globalObject(), impl.item(WTFMove(index)));
    return JSValue::encode(result);
}

void JSNodeList::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
    auto* thisObject = jsCast<JSNodeList*>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    visitor.reportExtraMemoryVisited(thisObject->wrapped().memoryCost());
}

size_t JSNodeList::estimatedSize(JSCell* cell)
{
    auto* thisObject = jsCast<JSNodeList*>(cell);
    return Base::estimatedSize(thisObject) + thisObject->wrapped().memoryCost();
}

void JSNodeListOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
    auto* jsNodeList = jsCast<JSNodeList*>(handle.slot()->asCell());
    auto& world = *static_cast<DOMWrapperWorld*>(context);
    uncacheWrapper(world, &jsNodeList->wrapped(), jsNodeList);
}

NodeList* JSNodeList::toWrapped(JSC::JSValue value)
{
    if (auto* wrapper = jsDynamicCast<JSNodeList*>(value))
        return &wrapper->wrapped();
    return nullptr;
}

}