/*
 * Copyright (C) 2009 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. ``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
 * 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.
 */

#ifndef XMLDocumentParserScope_h
#define XMLDocumentParserScope_h

#include <wtf/Noncopyable.h>

#if ENABLE(XSLT)
#include <libxml/tree.h>
#endif

namespace WebCore {

    class CachedResourceLoader;

    class XMLDocumentParserScope {
        WTF_MAKE_NONCOPYABLE(XMLDocumentParserScope);
    public:
        XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader);
        ~XMLDocumentParserScope();

        static CachedResourceLoader* currentCachedResourceLoader;

#if ENABLE(XSLT)
        XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader, xmlGenericErrorFunc genericErrorFunc, xmlStructuredErrorFunc structuredErrorFunc = 0, void* errorContext = 0);
#endif

    private:
        CachedResourceLoader* m_oldCachedResourceLoader;

#if ENABLE(XSLT)
        xmlGenericErrorFunc m_oldGenericErrorFunc;
        xmlStructuredErrorFunc m_oldStructuredErrorFunc;
        void* m_oldErrorContext;
#endif
    };

} // namespace WebCore

#endif // XMLDocumentParserScope_h