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 #ifndef DOMTokenList_h 26 #define DOMTokenList_h 27 28 #include "ExceptionCode.h" 29 #include <wtf/text/AtomicString.h> 30 #include <wtf/Vector.h> 31 32 namespace WebCore { 33 34 class Element; 35 36 class DOMTokenList { 37 WTF_MAKE_NONCOPYABLE(DOMTokenList); WTF_MAKE_FAST_ALLOCATED; 38 public: DOMTokenList()39 DOMTokenList() { } ~DOMTokenList()40 virtual ~DOMTokenList() {}; 41 42 virtual void ref() = 0; 43 virtual void deref() = 0; 44 45 virtual unsigned length() const = 0; 46 virtual const AtomicString item(unsigned index) const = 0; 47 virtual bool contains(const AtomicString&, ExceptionCode&) const = 0; 48 virtual void add(const AtomicString&, ExceptionCode&) = 0; 49 virtual void remove(const AtomicString&, ExceptionCode&) = 0; 50 virtual bool toggle(const AtomicString&, ExceptionCode&) = 0; 51 virtual String toString() const = 0; 52 element()53 virtual Element* element() { return 0; } 54 55 protected: 56 static bool validateToken(const AtomicString&, ExceptionCode&); 57 static String addToken(const AtomicString&, const AtomicString&); 58 static String removeToken(const AtomicString&, const AtomicString&); 59 }; 60 61 } // namespace WebCore 62 63 #endif // DOMTokenList_h 64