1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
10 * Copyright (C) Research In Motion Limited 2011. All rights reserved.
11 * Copyright (C) 2013 Google Inc. All rights reserved.
12 *
13 * This library is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU Library General Public
15 * License as published by the Free Software Foundation; either
16 * version 2 of the License, or (at your option) any later version.
17 *
18 * This library is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21 * Library General Public License for more details.
22 *
23 * You should have received a copy of the GNU Library General Public License
24 * along with this library; see the file COPYING.LIB.  If not, write to
25 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26 * Boston, MA 02110-1301, USA.
27 */
28
29#ifndef SelectorCheckerFastPath_h
30#define SelectorCheckerFastPath_h
31
32#include "CSSSelector.h"
33#include "SelectorChecker.h"
34
35namespace WebCore {
36
37class SelectorCheckerFastPath {
38public:
39    SelectorCheckerFastPath(const CSSSelector*, const Element*);
40
41    bool matches() const;
42    bool matchesRightmostSelector(SelectorChecker::VisitedMatchType) const;
43    bool matchesRightmostAttributeSelector() const;
44
45    static bool canUse(const CSSSelector*);
46
47private:
48    bool commonPseudoClassSelectorMatches(SelectorChecker::VisitedMatchType) const;
49
50    const CSSSelector* m_selector;
51    const Element* m_element;
52};
53
54inline bool SelectorCheckerFastPath::matchesRightmostAttributeSelector() const
55{
56    if (m_selector->m_match == CSSSelector::Exact || m_selector->m_match == CSSSelector::Set)
57        return SelectorChecker::checkExactAttribute(m_element, m_selector->attribute(), m_selector->value().impl());
58    ASSERT(!m_selector->isAttributeSelector());
59    return true;
60}
61
62}
63
64#endif
65