JSDOMStringMapCustom.cpp   [plain text]


/*
 * Copyright (C) 2010, 2014 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "JSDOMStringMap.h"

#include "CustomElementReactionQueue.h"
#include "DOMStringMap.h"
#include "JSDOMConvert.h"
#include "JSNode.h"
#include <runtime/IdentifierInlines.h>
#include <wtf/text/AtomicString.h>

using namespace JSC;

namespace WebCore {

bool JSDOMStringMap::getOwnPropertySlotDelegate(ExecState* state, PropertyName propertyName, PropertySlot& slot)
{
    if (propertyName.isSymbol())
        return false;
    bool nameIsValid;
    const AtomicString& item = wrapped().item(propertyNameToString(propertyName), nameIsValid);
    if (nameIsValid) {
        slot.setValue(this, 0, toJS<IDLDOMString>(*state, item));
        return true;
    }
    return false;
}

void JSDOMStringMap::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    for (auto& name : jsCast<JSDOMStringMap*>(object)->wrapped().names())
        propertyNames.add(Identifier::fromString(state, name));
    Base::getOwnPropertyNames(object, state, propertyNames, mode);
}

bool JSDOMStringMap::deleteProperty(JSCell* cell, ExecState* state, PropertyName propertyName)
{
    CustomElementReactionStack customElementReactionStack;
    if (propertyName.isSymbol())
        return Base::deleteProperty(cell, state, propertyName);
    return jsCast<JSDOMStringMap*>(cell)->wrapped().deleteItem(propertyNameToString(propertyName));
}

bool JSDOMStringMap::deletePropertyByIndex(JSCell* cell, ExecState* state, unsigned index)
{
    return deleteProperty(cell, state, Identifier::from(state, index));
}

bool JSDOMStringMap::putDelegate(ExecState* state, PropertyName propertyName, JSValue value, PutPropertySlot&, bool& putResult)
{
    VM& vm = state->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    if (propertyName.isSymbol())
        return false;

    CustomElementReactionStack customElementReactionStack;

    String stringValue = value.toWTFString(state);
    RETURN_IF_EXCEPTION(scope, true);

    auto result = wrapped().setItem(propertyNameToString(propertyName), WTFMove(stringValue));
    if (result.hasException()) {
        propagateException(*state, scope, result.releaseException());
        return true;
    }

    putResult = true;
    return true;
}

} // namespace WebCore