khtml/svg/SVGElementInstanceList.cpp

   1 /*
   2     Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3
   4     This file is part of the KDE project
   5
   6     This library is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU Library General Public
   8     License as published by the Free Software Foundation; either
   9     version 2 of the License, or (at your option) any later version.
  10
  11     This library is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14     Library General Public License for more details.
  15
  16     You should have received a copy of the GNU Library General Public License
  17     along with this library; see the file COPYING.LIB.  If not, write to
  18     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19     Boston, MA 02110-1301, USA.
  20 */
  21
  22 #include "config.h"
  23 #include "wtf/Platform.h"
  24
  25 #if ENABLE(SVG)
  26 #include "SVGElementInstanceList.h"
  27
  28 namespace WebCore {
  29
  30 SVGElementInstanceList::SVGElementInstanceList(PassRefPtr<SVGElementInstance> rootInstance)
  31     : m_rootInstance(rootInstance)
  32 {
  33 }
  34
  35 SVGElementInstanceList::~SVGElementInstanceList()
  36 {
  37 }
  38
  39 unsigned int SVGElementInstanceList::length() const
  40 {
  41     // NOTE: We could use the same caching facilities, "ChildNodeList" uses.
  42     unsigned length = 0;
  43     SVGElementInstance* instance;
  44     for (instance = m_rootInstance->firstChild(); instance; instance = instance->nextSibling())
  45         length++;
  46
  47     return length;
  48 }
  49
  50 RefPtr<SVGElementInstance> SVGElementInstanceList::item(unsigned int index)
  51 {
  52     unsigned int pos = 0;
  53     SVGElementInstance* instance = m_rootInstance->firstChild();
  54
  55     while (instance && pos < index) {
  56         instance = instance->nextSibling();
  57         pos++;
  58     }
  59
  60     return instance;
  61 }
  62
  63 }
  64
  65 #endif // ENABLE(SVG)
  66
  67 // vim:ts=4:noet