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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2006 Apple Inc. All rights reserved.
*
* 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.
*/
#ifndef SVGListTraits_h
#define SVGListTraits_h
#if ENABLE(SVG)
#include <wtf/RefPtr.h>
namespace WebCore {
template<typename Item> struct UsesDefaultInitializer { static const bool value = true; };
template<> struct UsesDefaultInitializer<double> { static const bool value = false; };
template<> struct UsesDefaultInitializer<float> { static const bool value = false; };
template<bool usesDefaultInitializer, typename Item>
struct SVGListTraits { };
template<typename ItemPtr>
struct SVGListTraits<true, ItemPtr*> {
static ItemPtr* nullItem() { return 0; }
static bool isNull(ItemPtr* it) { return !it; }
};
template<typename ItemPtr>
struct SVGListTraits<true, RefPtr<ItemPtr> > {
static RefPtr<ItemPtr> nullItem() { return 0; }
static bool isNull(const RefPtr<ItemPtr>& it) { return !it; }
};
template<typename Item>
struct SVGListTraits<true, Item> {
static Item nullItem() { return Item(); }
static bool isNull(Item it) { return !it; }
};
template<>
struct SVGListTraits<false, double> {
static double nullItem() { return 0.0; }
static bool isNull(double) { return false; }
};
template<>
struct SVGListTraits<false, float> {
static float nullItem() { return 0; }
static bool isNull(float) { return false; }
};
} // namespace WebCore
#endif // SVG_SUPPORT
#endif // SVGListTraits_h
// vim:ts=4:noet
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