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 <wtf/text/AtomicString.h> 29#include <wtf/Vector.h> 30 31namespace WebCore { 32 33class Element; 34 35typedef int ExceptionCode; 36 37class DOMTokenList { 38 WTF_MAKE_NONCOPYABLE(DOMTokenList); WTF_MAKE_FAST_ALLOCATED; 39public: 40 DOMTokenList() { } 41 virtual ~DOMTokenList() {}; 42 43 virtual void ref() = 0; 44 virtual void deref() = 0; 45 46 virtual unsigned length() const = 0; 47 virtual const AtomicString item(unsigned index) const = 0; 48 49 bool contains(const AtomicString&, ExceptionCode&) const; 50 void add(const Vector<String>&, ExceptionCode&); 51 void add(const AtomicString&, ExceptionCode&); 52 void remove(const Vector<String>&, ExceptionCode&); 53 void remove(const AtomicString&, ExceptionCode&); 54 bool toggle(const AtomicString&, ExceptionCode&); 55 bool toggle(const AtomicString&, bool force, ExceptionCode&); 56 57 AtomicString toString() const { return value(); } 58 59 virtual Element* element() const { return 0; } 60 61protected: 62 virtual AtomicString value() const = 0; 63 virtual void setValue(const AtomicString&) = 0; 64 65 void addInternal(const AtomicString&); 66 virtual bool containsInternal(const AtomicString&) const = 0; 67 void removeInternal(const AtomicString&); 68 69 static bool validateToken(const AtomicString&, ExceptionCode&); 70 static bool validateTokens(const Vector<String>&, ExceptionCode&); 71 static String addToken(const AtomicString&, const AtomicString&); 72 static String addTokens(const AtomicString&, const Vector<String>&); 73 static String removeToken(const AtomicString&, const AtomicString&); 74 static String removeTokens(const AtomicString&, const Vector<String>&); 75}; 76 77} // namespace WebCore 78 79#endif // DOMTokenList_h 80