1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include "config.h" 26#include "DOMSettableTokenList.h" 27 28namespace WebCore { 29 30DOMSettableTokenList::DOMSettableTokenList() 31 : m_value() 32 , m_tokens() 33{ 34} 35 36DOMSettableTokenList::~DOMSettableTokenList() 37{ 38} 39 40const AtomicString DOMSettableTokenList::item(unsigned index) const 41{ 42 if (index >= length()) 43 return AtomicString(); 44 return m_tokens[index]; 45} 46 47bool DOMSettableTokenList::contains(const AtomicString& token, ExceptionCode& ec) const 48{ 49 if (!validateToken(token, ec)) 50 return false; 51 return m_tokens.contains(token); 52} 53 54void DOMSettableTokenList::add(const AtomicString& token, ExceptionCode& ec) 55{ 56 if (!validateToken(token, ec) || m_tokens.contains(token)) 57 return; 58 addInternal(token); 59} 60 61void DOMSettableTokenList::addInternal(const AtomicString& token) 62{ 63 m_value = addToken(m_value, token); 64 if (m_tokens.isNull()) 65 m_tokens.set(token, false); 66 else 67 m_tokens.add(token); 68} 69 70void DOMSettableTokenList::remove(const AtomicString& token, ExceptionCode& ec) 71{ 72 if (!validateToken(token, ec) || !m_tokens.contains(token)) 73 return; 74 removeInternal(token); 75} 76 77void DOMSettableTokenList::removeInternal(const AtomicString& token) 78{ 79 m_value = removeToken(m_value, token); 80 m_tokens.remove(token); 81} 82 83bool DOMSettableTokenList::toggle(const AtomicString& token, ExceptionCode& ec) 84{ 85 if (!validateToken(token, ec)) 86 return false; 87 if (m_tokens.contains(token)) { 88 removeInternal(token); 89 return false; 90 } 91 addInternal(token); 92 return true; 93} 94 95void DOMSettableTokenList::setValue(const String& value) 96{ 97 m_value = value; 98 m_tokens.set(value, false); 99} 100 101} // namespace WebCore 102