/* * Copyright (C) 2010 Google 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 "core/html/ClassList.h" namespace WebCore { using namespace HTMLNames; ClassList::ClassList(Element* element) : m_element(element) { } void ClassList::ref() { m_element->ref(); } void ClassList::deref() { m_element->deref(); } unsigned ClassList::length() const { return m_element->hasClass() ? classNames().size() : 0; } const AtomicString ClassList::item(unsigned index) const { if (index >= length()) return AtomicString(); return classNames()[index]; } bool ClassList::containsInternal(const AtomicString& token) const { return m_element->hasClass() && classNames().contains(token); } const SpaceSplitString& ClassList::classNames() const { ASSERT(m_element->hasClass()); if (m_element->document().inQuirksMode()) { if (!m_classNamesForQuirksMode) m_classNamesForQuirksMode = adoptPtr(new SpaceSplitString(value(), false)); return *m_classNamesForQuirksMode.get(); } return m_element->elementData()->classNames(); } } // namespace WebCore