File: DocumentXPathEvaluator.h

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/*
 * 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
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS 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 APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

#ifndef DocumentXPathEvaluator_h
#define DocumentXPathEvaluator_h

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

namespace blink {

class ExceptionState;
class XPathExpression;
class XPathResult;

class DocumentXPathEvaluator final
    : public GarbageCollected<DocumentXPathEvaluator>,
      public Supplement<Document> {
  USING_GARBAGE_COLLECTED_MIXIN(DocumentXPathEvaluator);

 public:
  static DocumentXPathEvaluator& from(Document&);

  static XPathExpression* createExpression(Document&,
                                           const String& expression,
                                           XPathNSResolver*,
                                           ExceptionState&);
  static XPathNSResolver* createNSResolver(Document&, Node* nodeResolver);
  static XPathResult* evaluate(Document&,
                               const String& expression,
                               Node* contextNode,
                               XPathNSResolver*,
                               unsigned short type,
                               const ScriptValue&,
                               ExceptionState&);

  DECLARE_VIRTUAL_TRACE();

 private:
  explicit DocumentXPathEvaluator(Document&);

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

  Member<XPathEvaluator> m_xpathEvaluator;
};

}  // namespace blink

#endif  // DocumentXPathEvaluator_h