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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
//
// System.Xml.XmlCharacterData.cs
//
// Authors:
// Jason Diamond <jason@injektilo.org>
// Kral Ferch <kral_ferch@hotmail.com>
//
// (C) 2002 Jason Diamond, Kral Ferch
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Xml.XPath;
namespace System.Xml
{
public abstract class XmlCharacterData : XmlLinkedNode
{
private string data;
#region Constructor
protected internal XmlCharacterData (string data, XmlDocument doc)
: base (doc)
{
if (data == null)
data = String.Empty;
this.data = data;
}
#endregion
#region Properties
public virtual string Data {
get { return data; }
set {
string old = data;
OwnerDocument.onNodeChanging (this, this.ParentNode, old, value);
data = value;
OwnerDocument.onNodeChanged (this, this.ParentNode, old, value);
}
}
public override string InnerText {
get { return data; }
set { Data = value; } // invokes events
}
public virtual int Length {
get { return data != null ? data.Length : 0; }
}
public override string Value {
get { return data; }
set {
Data = value;
}
}
internal override XPathNodeType XPathNodeType {
get { return XPathNodeType.Text; }
}
#endregion
#region Methods
public virtual void AppendData (string strData)
{
string oldData = data;
string newData = data += strData;
OwnerDocument.onNodeChanging (this, this.ParentNode, oldData, newData);
data = newData;
OwnerDocument.onNodeChanged (this, this.ParentNode, oldData, newData);
}
public virtual void DeleteData (int offset, int count)
{
if (offset < 0)
throw new ArgumentOutOfRangeException ("offset", "Must be non-negative and must not be greater than the length of this instance.");
int newCount = data.Length - offset;
if ((offset + count) < data.Length)
newCount = count;
string oldValue = data;
string newValue = data.Remove (offset, newCount);
OwnerDocument.onNodeChanging (this, this.ParentNode, oldValue, newValue);
data = newValue;
OwnerDocument.onNodeChanged (this, this.ParentNode, oldValue, newValue);
}
public virtual void InsertData (int offset, string strData)
{
if ((offset < 0) || (offset > data.Length))
throw new ArgumentOutOfRangeException ("offset", "Must be non-negative and must not be greater than the length of this instance.");
string oldData = data;
string newData = data.Insert(offset, strData);
OwnerDocument.onNodeChanging (this, this.ParentNode, oldData, newData);
data = newData;
OwnerDocument.onNodeChanged (this, this.ParentNode, oldData, newData);
}
public virtual void ReplaceData (int offset, int count, string strData)
{
if ((offset < 0) || (offset > data.Length))
throw new ArgumentOutOfRangeException ("offset", "Must be non-negative and must not be greater than the length of this instance.");
if (count < 0)
throw new ArgumentOutOfRangeException ("count", "Must be non-negative.");
if (strData == null)
throw new ArgumentNullException ("strData", "Must be non-null.");
string oldData = data;
string newData = data.Substring (0, offset) + strData;
if ((offset + count) < data.Length)
newData += data.Substring (offset + count);
OwnerDocument.onNodeChanging (this, this.ParentNode, oldData, newData);
data = newData;
OwnerDocument.onNodeChanged (this, this.ParentNode, oldData, newData);
}
public virtual string Substring (int offset, int count)
{
if (data.Length < offset + count)
return data.Substring (offset);
else
return data.Substring (offset, count);
}
#endregion
}
}
|
