18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 2635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * Copyright (C) 2008 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. 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OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#ifndef CSSSelectorList_h 27635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#define CSSSelectorList_h 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 29635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "CSSSelector.h" 30635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 31635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectnamespace WebCore { 32635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 332fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockclass CSSParserSelector; 342fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 35ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdochclass CSSSelectorList { 36ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch WTF_MAKE_NONCOPYABLE(CSSSelectorList); WTF_MAKE_FAST_ALLOCATED; 37231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockpublic: 38231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block CSSSelectorList() : m_selectorArray(0) { } 39231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block ~CSSSelectorList(); 40231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 41231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block void adopt(CSSSelectorList& list); 422fc2651226baac27029e38c9d6ef883fa32084dbSteve Block void adoptSelectorVector(Vector<OwnPtr<CSSParserSelector> >& selectorVector); 43231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 44231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block CSSSelector* first() const { return m_selectorArray ? m_selectorArray : 0; } 452fc2651226baac27029e38c9d6ef883fa32084dbSteve Block static CSSSelector* next(CSSSelector*); 462fc2651226baac27029e38c9d6ef883fa32084dbSteve Block bool hasOneSelector() const { return m_selectorArray && !next(m_selectorArray); } 47231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 48231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block bool selectorsNeedNamespaceResolution(); 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool hasUnknownPseudoElements() const; 50231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 51231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockprivate: 52231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block void deleteSelectors(); 53231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 542fc2651226baac27029e38c9d6ef883fa32084dbSteve Block // End of a multipart selector is indicated by m_isLastInTagHistory bit in the last item. 55231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // End of the array is indicated by m_isLastInSelectorList bit in the last item. 56231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block CSSSelector* m_selectorArray; 57231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block}; 58231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 592fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockinline CSSSelector* CSSSelectorList::next(CSSSelector* current) 602fc2651226baac27029e38c9d6ef883fa32084dbSteve Block{ 612fc2651226baac27029e38c9d6ef883fa32084dbSteve Block // Skip subparts of compound selectors. 622fc2651226baac27029e38c9d6ef883fa32084dbSteve Block while (!current->isLastInTagHistory()) 632fc2651226baac27029e38c9d6ef883fa32084dbSteve Block current++; 642fc2651226baac27029e38c9d6ef883fa32084dbSteve Block return current->isLastInSelectorList() ? 0 : current + 1; 652fc2651226baac27029e38c9d6ef883fa32084dbSteve Block} 662fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 67231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block} // namespace WebCore 68231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 69231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block#endif // CSSSelectorList_h 70