1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
* Copyright (C) 2006, 2009 Apple 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 THE AUTHOR ``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 THE AUTHOR 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.
*/
#pragma once
#include "ExceptionOr.h"
#include "XPathValue.h"
namespace WebCore {
class XPathResult : public RefCounted<XPathResult> {
public:
enum XPathResultType {
ANY_TYPE = 0,
NUMBER_TYPE = 1,
STRING_TYPE = 2,
BOOLEAN_TYPE = 3,
UNORDERED_NODE_ITERATOR_TYPE = 4,
ORDERED_NODE_ITERATOR_TYPE = 5,
UNORDERED_NODE_SNAPSHOT_TYPE = 6,
ORDERED_NODE_SNAPSHOT_TYPE = 7,
ANY_UNORDERED_NODE_TYPE = 8,
FIRST_ORDERED_NODE_TYPE = 9
};
static Ref<XPathResult> create(Document& document, const XPath::Value& value) { return adoptRef(*new XPathResult(document, value)); }
WEBCORE_EXPORT ~XPathResult();
ExceptionOr<void> convertTo(unsigned short type);
WEBCORE_EXPORT unsigned short resultType() const;
WEBCORE_EXPORT ExceptionOr<double> numberValue() const;
WEBCORE_EXPORT ExceptionOr<String> stringValue() const;
WEBCORE_EXPORT ExceptionOr<bool> booleanValue() const;
WEBCORE_EXPORT ExceptionOr<Node*> singleNodeValue() const;
WEBCORE_EXPORT bool invalidIteratorState() const;
WEBCORE_EXPORT ExceptionOr<unsigned> snapshotLength() const;
WEBCORE_EXPORT ExceptionOr<Node*> iterateNext();
WEBCORE_EXPORT ExceptionOr<Node*> snapshotItem(unsigned index);
const XPath::Value& value() const { return m_value; }
private:
XPathResult(Document&, const XPath::Value&);
XPath::Value m_value;
unsigned m_nodeSetPosition { 0 };
XPath::NodeSet m_nodeSet; // FIXME: why duplicate the node set stored in m_value?
unsigned short m_resultType;
RefPtr<Document> m_document;
uint64_t m_domTreeVersion { 0 };
};
} // namespace WebCore
|
