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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
// HtmlAgilityPack V1.0 - Simon Mourier <simon underscore mourier at hotmail dot com>
using System;
using System.Collections;
namespace HtmlAgilityPack
{
/// <summary>
/// Represents a list of mixed code fragments.
/// </summary>
public class MixedCodeDocumentFragmentList : IEnumerable
{
#region Fields
private MixedCodeDocument _doc;
private ArrayList _items = new ArrayList();
#endregion
#region Constructors
internal MixedCodeDocumentFragmentList(MixedCodeDocument doc)
{
_doc = doc;
}
#endregion
#region Properties
///<summary>
/// Gets the Document
///</summary>
public MixedCodeDocument Doc
{
get { return _doc; }
}
/// <summary>
/// Gets the number of fragments contained in the list.
/// </summary>
public int Count
{
get { return _items.Count; }
}
/// <summary>
/// Gets a fragment from the list using its index.
/// </summary>
public MixedCodeDocumentFragment this[int index]
{
get { return _items[index] as MixedCodeDocumentFragment; }
}
#endregion
#region IEnumerable Members
/// <summary>
/// Gets an enumerator that can iterate through the fragment list.
/// </summary>
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
#endregion
#region Public Methods
/// <summary>
/// Appends a fragment to the list of fragments.
/// </summary>
/// <param name="newFragment">The fragment to append. May not be null.</param>
public void Append(MixedCodeDocumentFragment newFragment)
{
if (newFragment == null)
{
throw new ArgumentNullException("newFragment");
}
_items.Add(newFragment);
}
/// <summary>
/// Gets an enumerator that can iterate through the fragment list.
/// </summary>
public MixedCodeDocumentFragmentEnumerator GetEnumerator()
{
return new MixedCodeDocumentFragmentEnumerator(_items);
}
/// <summary>
/// Prepends a fragment to the list of fragments.
/// </summary>
/// <param name="newFragment">The fragment to append. May not be null.</param>
public void Prepend(MixedCodeDocumentFragment newFragment)
{
if (newFragment == null)
{
throw new ArgumentNullException("newFragment");
}
_items.Insert(0, newFragment);
}
/// <summary>
/// Remove a fragment from the list of fragments. If this fragment was not in the list, an exception will be raised.
/// </summary>
/// <param name="fragment">The fragment to remove. May not be null.</param>
public void Remove(MixedCodeDocumentFragment fragment)
{
if (fragment == null)
{
throw new ArgumentNullException("fragment");
}
int index = GetFragmentIndex(fragment);
if (index == -1)
{
throw new IndexOutOfRangeException();
}
RemoveAt(index);
}
/// <summary>
/// Remove all fragments from the list.
/// </summary>
public void RemoveAll()
{
_items.Clear();
}
/// <summary>
/// Remove a fragment from the list of fragments, using its index in the list.
/// </summary>
/// <param name="index">The index of the fragment to remove.</param>
public void RemoveAt(int index)
{
//MixedCodeDocumentFragment frag = (MixedCodeDocumentFragment) _items[index];
_items.RemoveAt(index);
}
#endregion
#region Internal Methods
internal void Clear()
{
_items.Clear();
}
internal int GetFragmentIndex(MixedCodeDocumentFragment fragment)
{
if (fragment == null)
{
throw new ArgumentNullException("fragment");
}
for (int i = 0; i < _items.Count; i++)
{
if ((_items[i]) == fragment)
{
return i;
}
}
return -1;
}
#endregion
#region Nested type: MixedCodeDocumentFragmentEnumerator
/// <summary>
/// Represents a fragment enumerator.
/// </summary>
public class MixedCodeDocumentFragmentEnumerator : IEnumerator
{
#region Fields
private int _index;
private ArrayList _items;
#endregion
#region Constructors
internal MixedCodeDocumentFragmentEnumerator(ArrayList items)
{
_items = items;
_index = -1;
}
#endregion
#region Properties
/// <summary>
/// Gets the current element in the collection.
/// </summary>
public MixedCodeDocumentFragment Current
{
get { return (MixedCodeDocumentFragment) (_items[_index]); }
}
#endregion
#region IEnumerator Members
/// <summary>
/// Gets the current element in the collection.
/// </summary>
object IEnumerator.Current
{
get { return (Current); }
}
/// <summary>
/// Advances the enumerator to the next element of the collection.
/// </summary>
/// <returns>true if the enumerator was successfully advanced to the next element; false if the enumerator has passed the end of the collection.</returns>
public bool MoveNext()
{
_index++;
return (_index < _items.Count);
}
/// <summary>
/// Sets the enumerator to its initial position, which is before the first element in the collection.
/// </summary>
public void Reset()
{
_index = -1;
}
#endregion
}
#endregion
}
}
|
