1/*
2 * Copyright 2005 Frerich Raabe <raabe@kde.org>
3 * Copyright (C) 2006 Apple Computer, Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef XPathEvaluator_h
28#define XPathEvaluator_h
29
30#include <wtf/Forward.h>
31#include <wtf/RefCounted.h>
32#include <wtf/PassRefPtr.h>
33
34namespace WebCore {
35
36    typedef int ExceptionCode;
37
38    class Node;
39    class XPathExpression;
40    class XPathNSResolver;
41    class XPathResult;
42
43    class XPathEvaluator : public RefCounted<XPathEvaluator> {
44    public:
45        static PassRefPtr<XPathEvaluator> create() { return adoptRef(new XPathEvaluator); }
46
47        PassRefPtr<XPathExpression> createExpression(const String& expression, XPathNSResolver*, ExceptionCode&);
48        PassRefPtr<XPathNSResolver> createNSResolver(Node* nodeResolver);
49        PassRefPtr<XPathResult> evaluate(const String& expression, Node* contextNode,
50            XPathNSResolver*, unsigned short type, XPathResult*, ExceptionCode&);
51
52    private:
53        XPathEvaluator() { }
54    };
55
56}
57
58#endif // XPathEvaluator_h
59