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
|
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// 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;
namespace ICSharpCode.NRefactory.Editor
{
/// <summary>
/// A document representing a source code file for refactoring.
/// Line and column counting starts at 1.
/// Offset counting starts at 0.
/// </summary>
public interface IDocument : ITextSource, IServiceProvider
{
/// <summary>
/// Creates an immutable snapshot of this document.
/// </summary>
IDocument CreateDocumentSnapshot();
/// <summary>
/// Gets/Sets the text of the whole document..
/// </summary>
new string Text { get; set; } // hides TextBuffer.Text to add the setter
/// <summary>
/// This event is called directly before a change is applied to the document.
/// </summary>
/// <remarks>
/// It is invalid to modify the document within this event handler.
/// Aborting the change (by throwing an exception) is likely to cause corruption of data structures
/// that listen to the Changing and Changed events.
/// </remarks>
event EventHandler<TextChangeEventArgs> TextChanging;
/// <summary>
/// This event is called directly after a change is applied to the document.
/// </summary>
/// <remarks>
/// It is invalid to modify the document within this event handler.
/// Aborting the event handler (by throwing an exception) is likely to cause corruption of data structures
/// that listen to the Changing and Changed events.
/// </remarks>
event EventHandler<TextChangeEventArgs> TextChanged;
/// <summary>
/// This event is called after a group of changes is completed.
/// </summary>
/// <seealso cref="EndUndoableAction"/>
event EventHandler ChangeCompleted;
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
int LineCount { get; }
/// <summary>
/// Gets the document line with the specified number.
/// </summary>
/// <param name="lineNumber">The number of the line to retrieve. The first line has number 1.</param>
IDocumentLine GetLineByNumber(int lineNumber);
/// <summary>
/// Gets the document line that contains the specified offset.
/// </summary>
IDocumentLine GetLineByOffset(int offset);
/// <summary>
/// Gets the offset from a text location.
/// </summary>
/// <seealso cref="GetLocation"/>
int GetOffset(int line, int column);
/// <summary>
/// Gets the offset from a text location.
/// </summary>
/// <seealso cref="GetLocation"/>
int GetOffset(TextLocation location);
/// <summary>
/// Gets the location from an offset.
/// </summary>
/// <seealso cref="GetOffset(TextLocation)"/>
TextLocation GetLocation(int offset);
/// <summary>
/// Inserts text.
/// </summary>
/// <param name="offset">The offset at which the text is inserted.</param>
/// <param name="text">The new text.</param>
/// <remarks>
/// Anchors positioned exactly at the insertion offset will move according to their movement type.
/// For AnchorMovementType.Default, they will move behind the inserted text.
/// The caret will also move behind the inserted text.
/// </remarks>
void Insert(int offset, string text);
/// <summary>
/// Inserts text.
/// </summary>
/// <param name="offset">The offset at which the text is inserted.</param>
/// <param name="text">The new text.</param>
/// <param name="defaultAnchorMovementType">
/// Anchors positioned exactly at the insertion offset will move according to the anchor's movement type.
/// For AnchorMovementType.Default, they will move according to the movement type specified by this parameter.
/// The caret will also move according to the <paramref name="defaultAnchorMovementType"/> parameter.
/// </param>
void Insert(int offset, string text, AnchorMovementType defaultAnchorMovementType);
/// <summary>
/// Removes text.
/// </summary>
/// <param name="offset">Starting offset of the text to be removed.</param>
/// <param name="length">Length of the text to be removed.</param>
void Remove(int offset, int length);
/// <summary>
/// Replaces text.
/// </summary>
/// <param name="offset">The starting offset of the text to be replaced.</param>
/// <param name="length">The length of the text to be replaced.</param>
/// <param name="newText">The new text.</param>
void Replace(int offset, int length, string newText);
/// <summary>
/// Make the document combine the following actions into a single
/// action for undo purposes.
/// </summary>
void StartUndoableAction();
/// <summary>
/// Ends the undoable action started with <see cref="StartUndoableAction"/>.
/// </summary>
void EndUndoableAction();
/// <summary>
/// Creates an undo group. Dispose the returned value to close the undo group.
/// </summary>
/// <returns>An object that closes the undo group when Dispose() is called.</returns>
IDisposable OpenUndoGroup();
/// <summary>
/// Creates a new <see cref="ITextAnchor"/> at the specified offset.
/// </summary>
/// <inheritdoc cref="ITextAnchor" select="remarks|example"/>
ITextAnchor CreateAnchor(int offset);
}
}
|
