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
|
//------------------------------------------------------------------------------
// <copyright file="XPathSingletonIterator.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace MS.Internal.Xml.XPath {
using System;
using System.Xml;
using System.Xml.XPath;
using System.Diagnostics;
using System.Globalization;
internal class XPathSingletonIterator: ResetableIterator {
private XPathNavigator nav;
private int position;
public XPathSingletonIterator(XPathNavigator nav) {
Debug.Assert(nav != null);
this.nav = nav;
}
public XPathSingletonIterator(XPathNavigator nav, bool moved) : this(nav) {
if (moved) {
position = 1;
}
}
public XPathSingletonIterator(XPathSingletonIterator it) {
this.nav = it.nav.Clone();
this.position = it.position;
}
public override XPathNodeIterator Clone() {
return new XPathSingletonIterator(this);
}
public override XPathNavigator Current {
get { return nav; }
}
public override int CurrentPosition {
get { return position; }
}
public override int Count {
get { return 1; }
}
public override bool MoveNext() {
if(position == 0) {
position = 1;
return true;
}
return false;
}
public override void Reset() {
position = 0;
}
}
}
|
