1 /* 2 * Copyright (C) 2008 Apple 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CSSSelectorList_h 27 #define CSSSelectorList_h 28 29 #include "CSSSelector.h" 30 #include <wtf/Noncopyable.h> 31 32 namespace WebCore { 33 34 class CSSSelectorList : public Noncopyable { 35 public: 36 CSSSelectorList() : m_selectorArray(0) { } 37 ~CSSSelectorList(); 38 39 void adopt(CSSSelectorList& list); 40 void adoptSelectorVector(Vector<CSSSelector*>& selectorVector); 41 42 CSSSelector* first() const { return m_selectorArray ? m_selectorArray : 0; } 43 static CSSSelector* next(CSSSelector* previous) { return previous->isLastInSelectorList() ? 0 : previous + 1; } 44 bool hasOneSelector() const { return m_selectorArray ? m_selectorArray->isLastInSelectorList() : false; } 45 46 bool selectorsNeedNamespaceResolution(); 47 48 private: 49 void deleteSelectors(); 50 51 // End of the array is indicated by m_isLastInSelectorList bit in the last item. 52 CSSSelector* m_selectorArray; 53 }; 54 55 } // namespace WebCore 56 57 #endif // CSSSelectorList_h 58
