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#include "config.h"
28#include "XPathEvaluator.h"
29
30#include "ExceptionCode.h"
31#include "NativeXPathNSResolver.h"
32#include "Node.h"
33#include "XPathExpression.h"
34#include "XPathResult.h"
35#include "XPathUtil.h"
36
37namespace WebCore {
38
39using namespace XPath;
40
41PassRefPtr<XPathExpression> XPathEvaluator::createExpression(const String& expression,
42                                                             XPathNSResolver* resolver,
43                                                             ExceptionCode& ec)
44{
45    return XPathExpression::createExpression(expression, resolver, ec);
46}
47
48PassRefPtr<XPathNSResolver> XPathEvaluator::createNSResolver(Node* nodeResolver)
49{
50    return NativeXPathNSResolver::create(nodeResolver);
51}
52
53PassRefPtr<XPathResult> XPathEvaluator::evaluate(const String& expression,
54                                                 Node* contextNode,
55                                                 XPathNSResolver* resolver,
56                                                 unsigned short type,
57                                                 XPathResult* result,
58                                                 ExceptionCode& ec)
59{
60    if (!isValidContextNode(contextNode)) {
61        ec = NOT_SUPPORTED_ERR;
62        return 0;
63    }
64
65    ec = 0;
66    RefPtr<XPathExpression> expr = createExpression(expression, resolver, ec);
67    if (ec)
68        return 0;
69
70    return expr->evaluate(contextNode, type, result, ec);
71}
72
73}
74