Source/WebCore/bindings/js/JSXPathNSResolverCustom.cpp

/*
 * 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.
 */

#include "config.h"
#include "JSXPathNSResolver.h"

#include "JSCustomXPathNSResolver.h"
#include "JSDOMExceptionHandling.h"


namespace WebCore {
using namespace JSC;

RefPtr<XPathNSResolver> JSXPathNSResolver::toWrapped(VM& vm, JSGlobalObject& lexicalGlobalObject, JSValue value)
{
    if (value.inherits<JSXPathNSResolver>(vm))
        return &jsCast<JSXPathNSResolver*>(asObject(value))->wrapped();

    auto result = JSCustomXPathNSResolver::create(lexicalGlobalObject, value);
    if (UNLIKELY(result.hasException())) {
        auto scope = DECLARE_THROW_SCOPE(vm);
        propagateException(lexicalGlobalObject, scope, result.releaseException());
        return nullptr;
    }
    return result.releaseReturnValue();
}

} // namespace WebCore