root/Source/core/xml/DocumentXPathEvaluator.h

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INCLUDED FROM


/*
 * Copyright (C) 2013, 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:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
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#ifndef DocumentXPathEvaluator_h
#define DocumentXPathEvaluator_h

#include "core/dom/DocumentSupplementable.h"
#include "core/xml/XPathEvaluator.h"
#include "core/xml/XPathNSResolver.h"

namespace WebCore {

class ExceptionState;
class XPathExpression;
class XPathResult;

class DocumentXPathEvaluator FINAL : public DocumentSupplement {
public:
    virtual ~DocumentXPathEvaluator();

    static DocumentXPathEvaluator& from(DocumentSupplementable&);

    static PassRefPtrWillBeRawPtr<XPathExpression> createExpression(DocumentSupplementable&,
        const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&);
    static PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(DocumentSupplementable&, Node* nodeResolver);
    static PassRefPtrWillBeRawPtr<XPathResult> evaluate(DocumentSupplementable&,
        const String& expression, Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver>,
        unsigned short type, XPathResult*, ExceptionState&);

private:
    DocumentXPathEvaluator();

    static const char* supplementName() { return "DocumentXPathEvaluator"; }

    RefPtrWillBePersistent<XPathEvaluator> m_xpathEvaluator;
};

} // namespace WebCore

#endif // DocumentXPathEvaluator_h

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