/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#ifndef SKY_ENGINE_CORE_DOM_SHADOW_SELECTRULEFEATURESET_H_
#define SKY_ENGINE_CORE_DOM_SHADOW_SELECTRULEFEATURESET_H_

#include "sky/engine/core/css/RuleFeature.h"
#include "sky/engine/core/dom/Element.h"

namespace blink {

class SpaceSplitString;

class SelectRuleFeatureSet {
    DISALLOW_ALLOCATION();
public:
    SelectRuleFeatureSet();

    void add(const SelectRuleFeatureSet&);
    void clear();
    void collectFeaturesFromSelector(const CSSSelector&);

    bool hasSelectorForId(const AtomicString&) const;
    bool hasSelectorForClass(const AtomicString&) const;
    bool hasSelectorForAttribute(const AtomicString&) const;

    bool checkSelectorsForClassChange(const SpaceSplitString& changedClasses) const;
    bool checkSelectorsForClassChange(const SpaceSplitString& oldClasses, const SpaceSplitString& newClasses) const;

private:
    RuleFeatureSet m_cssRuleFeatureSet;
};

inline bool SelectRuleFeatureSet::hasSelectorForId(const AtomicString& idValue) const
{
    ASSERT(!idValue.isEmpty());
    return m_cssRuleFeatureSet.hasSelectorForId(idValue);
}

inline bool SelectRuleFeatureSet::hasSelectorForClass(const AtomicString& classValue) const
{
    ASSERT(!classValue.isEmpty());
    return m_cssRuleFeatureSet.hasSelectorForClass(classValue);
}

inline bool SelectRuleFeatureSet::hasSelectorForAttribute(const AtomicString& attributeName) const
{
    ASSERT(!attributeName.isEmpty());
    return m_cssRuleFeatureSet.hasSelectorForAttribute(attributeName);
}

}

#endif  // SKY_ENGINE_CORE_DOM_SHADOW_SELECTRULEFEATURESET_H_