/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
 *
 * 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
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#ifndef ContentSelectorQuery_h
#define ContentSelectorQuery_h

#include "CSSSelectorList.h"
#include "SelectorChecker.h"
#include "SelectorQuery.h"
#include <wtf/Forward.h>
#include <wtf/Vector.h>

namespace WebCore {

class Document;
class Node;
class InsertionPoint;

class ContentSelectorChecker {
public:
    ContentSelectorChecker(Document*, bool strictParsing);

    bool checkContentSelector(CSSSelector*, const Vector<RefPtr<Node> >& siblings, int nthNode) const;
private:
    SelectorChecker m_selectorChecker;
};

class ContentSelectorDataList {
public:
    void initialize(const CSSSelectorList&);
    bool matches(const ContentSelectorChecker&, const Vector<RefPtr<Node> >& siblings, int nthNode) const;

private:
    Vector<CSSSelector*> m_selectors;
};

class ContentSelectorQuery {
    WTF_MAKE_NONCOPYABLE(ContentSelectorQuery);
public:
    explicit ContentSelectorQuery(InsertionPoint*);

    bool matches(const Vector<RefPtr<Node> >& siblings, int nthNode) const;
private:

    InsertionPoint* m_insertionPoint;
    ContentSelectorDataList m_selectors;
    ContentSelectorChecker m_selectorChecker;
};

}

#endif
