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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef MatchResult_h
#define MatchResult_h
#include "core/css/RuleSet.h"
#include "core/css/SelectorChecker.h"
#include "platform/heap/Handle.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace blink {
class StylePropertySet;
struct RuleRange {
RuleRange(int& firstRuleIndex, int& lastRuleIndex): firstRuleIndex(firstRuleIndex), lastRuleIndex(lastRuleIndex) { }
int& firstRuleIndex;
int& lastRuleIndex;
};
struct MatchRanges {
MatchRanges() : firstUARule(-1), lastUARule(-1), firstAuthorRule(-1), lastAuthorRule(-1) { }
int firstUARule;
int lastUARule;
int firstAuthorRule;
int lastAuthorRule;
RuleRange UARuleRange() { return RuleRange(firstUARule, lastUARule); }
RuleRange authorRuleRange() { return RuleRange(firstAuthorRule, lastAuthorRule); }
};
struct MatchedProperties {
ALLOW_ONLY_INLINE_ALLOCATION();
public:
MatchedProperties();
~MatchedProperties();
void trace(Visitor*);
RefPtrWillBeMember<StylePropertySet> properties;
union {
struct {
unsigned linkMatchType : 2;
unsigned whitelistType : 2;
} m_types;
// Used to make sure all memory is zero-initialized since we compute the hash over the bytes of this object.
void* possiblyPaddedMember;
};
};
} // namespace blink
WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::MatchedProperties);
namespace blink {
class MatchResult {
STACK_ALLOCATED();
public:
MatchResult() : isCacheable(true) { }
WillBeHeapVector<MatchedProperties, 64> matchedProperties;
MatchRanges ranges;
bool isCacheable;
void addMatchedProperties(const StylePropertySet* properties, unsigned linkMatchType = SelectorChecker::MatchAll, PropertyWhitelistType = PropertyWhitelistNone);
};
inline bool operator==(const MatchRanges& a, const MatchRanges& b)
{
return a.firstUARule == b.firstUARule
&& a.lastUARule == b.lastUARule
&& a.firstAuthorRule == b.firstAuthorRule
&& a.lastAuthorRule == b.lastAuthorRule;
}
inline bool operator!=(const MatchRanges& a, const MatchRanges& b)
{
return !(a == b);
}
inline bool operator==(const MatchedProperties& a, const MatchedProperties& b)
{
return a.properties == b.properties && a.m_types.linkMatchType == b.m_types.linkMatchType;
}
inline bool operator!=(const MatchedProperties& a, const MatchedProperties& b)
{
return !(a == b);
}
} // namespace blink
#endif // MatchResult_h
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