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/*
* 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 "DOMSettableTokenList.h"
namespace WebCore {
DOMSettableTokenList::DOMSettableTokenList()
: m_value()
, m_tokens()
{
}
DOMSettableTokenList::~DOMSettableTokenList()
{
}
const AtomicString DOMSettableTokenList::item(unsigned index) const
{
if (index >= length())
return AtomicString();
return m_tokens[index];
}
bool DOMSettableTokenList::contains(const AtomicString& token, ExceptionCode& ec) const
{
if (!validateToken(token, ec))
return false;
return m_tokens.contains(token);
}
void DOMSettableTokenList::add(const AtomicString& token, ExceptionCode& ec)
{
if (!validateToken(token, ec) || m_tokens.contains(token))
return;
addInternal(token);
}
void DOMSettableTokenList::addInternal(const AtomicString& token)
{
m_value = addToken(m_value, token);
if (m_tokens.isNull())
m_tokens.set(token, false);
else
m_tokens.add(token);
}
void DOMSettableTokenList::remove(const AtomicString& token, ExceptionCode& ec)
{
if (!validateToken(token, ec) || !m_tokens.contains(token))
return;
removeInternal(token);
}
void DOMSettableTokenList::removeInternal(const AtomicString& token)
{
m_value = removeToken(m_value, token);
m_tokens.remove(token);
}
bool DOMSettableTokenList::toggle(const AtomicString& token, ExceptionCode& ec)
{
if (!validateToken(token, ec))
return false;
if (m_tokens.contains(token)) {
removeInternal(token);
return false;
}
addInternal(token);
return true;
}
void DOMSettableTokenList::setValue(const String& value)
{
m_value = value;
m_tokens.set(value, false);
}
} // namespace WebCore
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