khtml/svg/SVGListTraits.h

   1 /*
   2     Copyright (C) 2006 Nikolas Zimmermann <wildfox@kde.org>
   3                   2006 Apple Computer Inc.
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #ifndef SVGListTraits_h
  24 #define SVGListTraits_h
  25
  26 #if ENABLE(SVG)
  27
  28 namespace WebCore {
  29
  30     template<typename Item> struct UsesDefaultInitializer { static const bool value = true; };
  31     template<> struct UsesDefaultInitializer<double>      { static const bool value = false; };
  32
  33     template<bool usesDefaultInitializer, typename Item>
  34     struct SVGListTraits { };
  35
  36     template<typename Item>
  37     struct SVGListTraits<true, Item>
  38     {
  39         static Item nullItem() { return Item(); }
  40     };
  41
  42     template<>
  43     struct SVGListTraits<false, double>
  44     {
  45         static double nullItem() { return 0.0; }
  46     };
  47
  48 } // namespace WebCore
  49
  50 #endif // SVG_SUPPORT
  51 #endif // SVGListTraits_h
  52
  53 // vim:ts=4:noet