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      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 "core/dom/DOMSettableTokenList.h"
     27 
     28 #include "bindings/core/v8/ExceptionState.h"
     29 
     30 namespace blink {
     31 
     32 DOMSettableTokenList::DOMSettableTokenList()
     33     : m_value()
     34     , m_tokens()
     35 {
     36 }
     37 
     38 DOMSettableTokenList::~DOMSettableTokenList()
     39 {
     40 }
     41 
     42 const AtomicString DOMSettableTokenList::item(unsigned index) const
     43 {
     44     if (index >= length())
     45         return AtomicString();
     46     return m_tokens[index];
     47 }
     48 
     49 bool DOMSettableTokenList::containsInternal(const AtomicString& token) const
     50 {
     51     return m_tokens.contains(token);
     52 }
     53 
     54 void DOMSettableTokenList::add(const Vector<String>& tokens, ExceptionState& exceptionState)
     55 {
     56     DOMTokenList::add(tokens, exceptionState);
     57 
     58     for (size_t i = 0; i < tokens.size(); ++i) {
     59         if (m_tokens.isNull())
     60             m_tokens.set(AtomicString(tokens[i]), false);
     61         else
     62             m_tokens.add(AtomicString(tokens[i]));
     63     }
     64 }
     65 
     66 void DOMSettableTokenList::addInternal(const AtomicString& token)
     67 {
     68     DOMTokenList::addInternal(token);
     69     if (m_tokens.isNull())
     70         m_tokens.set(token, false);
     71     else
     72         m_tokens.add(token);
     73 }
     74 
     75 void DOMSettableTokenList::remove(const Vector<String>& tokens, ExceptionState& exceptionState)
     76 {
     77     DOMTokenList::remove(tokens, exceptionState);
     78     for (size_t i = 0; i < tokens.size(); ++i)
     79         m_tokens.remove(AtomicString(tokens[i]));
     80 }
     81 
     82 void DOMSettableTokenList::removeInternal(const AtomicString& token)
     83 {
     84     DOMTokenList::removeInternal(token);
     85     m_tokens.remove(token);
     86 }
     87 
     88 void DOMSettableTokenList::setValue(const AtomicString& value)
     89 {
     90     m_value = value;
     91     m_tokens.set(value, false);
     92 }
     93 
     94 } // namespace blink
     95