1/*
2 * Copyright 2005 Frerich Raabe <raabe@kde.org>
3 * Copyright (C) 2006 Apple 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 "NativeXPathNSResolver.h"
31#include "XPathExpression.h"
32#include "XPathResult.h"
33#include "XPathUtil.h"
34
35namespace WebCore {
36
37using namespace XPath;
38
39ExceptionOr<Ref<XPathExpression>> XPathEvaluator::createExpression(const String& expression, RefPtr<XPathNSResolver>&& resolver)
40{
41 return XPathExpression::createExpression(expression, WTFMove(resolver));
42}
43
44Ref<XPathNSResolver> XPathEvaluator::createNSResolver(Node* nodeResolver)
45{
46 return NativeXPathNSResolver::create(nodeResolver);
47}
48
49ExceptionOr<Ref<XPathResult>> XPathEvaluator::evaluate(const String& expression, Node* contextNode, RefPtr<XPathNSResolver>&& resolver, unsigned short type, XPathResult* result)
50{
51 if (!isValidContextNode(contextNode))
52 return Exception { NotSupportedError };
53
54 auto createResult = createExpression(expression, WTFMove(resolver));
55 if (createResult.hasException())
56 return createResult.releaseException();
57
58 return createResult.releaseReturnValue()->evaluate(contextNode, type, result);
59}
60
61}
62