1/*
2 * Copyright (C) 2013, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
23 * DAMAGE.
24 */
25
26#ifndef DocumentXPathEvaluator_h
27#define DocumentXPathEvaluator_h
28
29#include "core/dom/DocumentSupplementable.h"
30#include "core/xml/XPathEvaluator.h"
31#include "core/xml/XPathNSResolver.h"
32
33namespace blink {
34
35class ExceptionState;
36class XPathExpression;
37class XPathResult;
38
39class DocumentXPathEvaluator FINAL : public NoBaseWillBeGarbageCollected<DocumentXPathEvaluator>, public DocumentSupplement {
40    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DocumentXPathEvaluator);
41public:
42    static DocumentXPathEvaluator& from(DocumentSupplementable&);
43
44    static PassRefPtrWillBeRawPtr<XPathExpression> createExpression(DocumentSupplementable&,
45        const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&);
46    static PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(DocumentSupplementable&, Node* nodeResolver);
47    static PassRefPtrWillBeRawPtr<XPathResult> evaluate(DocumentSupplementable&,
48        const String& expression, Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver>,
49        unsigned short type, XPathResult*, ExceptionState&);
50
51    virtual void trace(Visitor*) OVERRIDE;
52
53private:
54    DocumentXPathEvaluator();
55
56    static const char* supplementName() { return "DocumentXPathEvaluator"; }
57
58    RefPtrWillBeMember<XPathEvaluator> m_xpathEvaluator;
59};
60
61} // namespace blink
62
63#endif // DocumentXPathEvaluator_h
64