Mercurial > projects > dwt-addons
annotate dwtx/jface/text/CopyOnWriteTextStore.d @ 133:7d818bd32d63
Fix ctors to this with gvim regexp
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 24 Aug 2008 01:29:22 +0200 |
parents | c4fb132a086c |
children | 75302ef3f92f |
rev | line source |
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129 | 1 /******************************************************************************* |
2 * Copyright (c) 2005, 2008 IBM Corporation and others. | |
3 * All rights reserved. This program and the accompanying materials | |
4 * are made available under the terms of the Eclipse Public License v1.0 | |
5 * which accompanies this distribution, and is available at | |
6 * http://www.eclipse.org/legal/epl-v10.html | |
7 * | |
8 * Contributors: | |
9 * Anton Leherbauer (anton.leherbauer@windriver.com) - initial API and implementation | |
10 * Port to the D programming language: | |
11 * Frank Benoit <benoit@tionex.de> | |
12 *******************************************************************************/ | |
13 module dwtx.jface.text.CopyOnWriteTextStore; | |
14 | |
131 | 15 import dwtx.jface.text.IDocumentPartitioningListener; // packageimport |
16 import dwtx.jface.text.DefaultTextHover; // packageimport | |
17 import dwtx.jface.text.AbstractInformationControl; // packageimport | |
18 import dwtx.jface.text.TextUtilities; // packageimport | |
19 import dwtx.jface.text.IInformationControlCreatorExtension; // packageimport | |
20 import dwtx.jface.text.AbstractInformationControlManager; // packageimport | |
21 import dwtx.jface.text.ITextViewerExtension2; // packageimport | |
22 import dwtx.jface.text.IDocumentPartitioner; // packageimport | |
23 import dwtx.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport | |
24 import dwtx.jface.text.ITextSelection; // packageimport | |
25 import dwtx.jface.text.Document; // packageimport | |
26 import dwtx.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport | |
27 import dwtx.jface.text.ITextListener; // packageimport | |
28 import dwtx.jface.text.BadPartitioningException; // packageimport | |
29 import dwtx.jface.text.ITextViewerExtension5; // packageimport | |
30 import dwtx.jface.text.IDocumentPartitionerExtension3; // packageimport | |
31 import dwtx.jface.text.IUndoManager; // packageimport | |
32 import dwtx.jface.text.ITextHoverExtension2; // packageimport | |
33 import dwtx.jface.text.IRepairableDocument; // packageimport | |
34 import dwtx.jface.text.IRewriteTarget; // packageimport | |
35 import dwtx.jface.text.DefaultPositionUpdater; // packageimport | |
36 import dwtx.jface.text.RewriteSessionEditProcessor; // packageimport | |
37 import dwtx.jface.text.TextViewerHoverManager; // packageimport | |
38 import dwtx.jface.text.DocumentRewriteSession; // packageimport | |
39 import dwtx.jface.text.TextViewer; // packageimport | |
40 import dwtx.jface.text.ITextViewerExtension8; // packageimport | |
41 import dwtx.jface.text.RegExMessages; // packageimport | |
42 import dwtx.jface.text.IDelayedInputChangeProvider; // packageimport | |
43 import dwtx.jface.text.ITextOperationTargetExtension; // packageimport | |
44 import dwtx.jface.text.IWidgetTokenOwner; // packageimport | |
45 import dwtx.jface.text.IViewportListener; // packageimport | |
46 import dwtx.jface.text.GapTextStore; // packageimport | |
47 import dwtx.jface.text.MarkSelection; // packageimport | |
48 import dwtx.jface.text.IDocumentPartitioningListenerExtension; // packageimport | |
49 import dwtx.jface.text.IDocumentAdapterExtension; // packageimport | |
50 import dwtx.jface.text.IInformationControlExtension; // packageimport | |
51 import dwtx.jface.text.IDocumentPartitioningListenerExtension2; // packageimport | |
52 import dwtx.jface.text.DefaultDocumentAdapter; // packageimport | |
53 import dwtx.jface.text.ITextViewerExtension3; // packageimport | |
54 import dwtx.jface.text.IInformationControlCreator; // packageimport | |
55 import dwtx.jface.text.TypedRegion; // packageimport | |
56 import dwtx.jface.text.ISynchronizable; // packageimport | |
57 import dwtx.jface.text.IMarkRegionTarget; // packageimport | |
58 import dwtx.jface.text.TextViewerUndoManager; // packageimport | |
59 import dwtx.jface.text.IRegion; // packageimport | |
60 import dwtx.jface.text.IInformationControlExtension2; // packageimport | |
61 import dwtx.jface.text.IDocumentExtension4; // packageimport | |
62 import dwtx.jface.text.IDocumentExtension2; // packageimport | |
63 import dwtx.jface.text.IDocumentPartitionerExtension2; // packageimport | |
64 import dwtx.jface.text.Assert; // packageimport | |
65 import dwtx.jface.text.DefaultInformationControl; // packageimport | |
66 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport | |
67 import dwtx.jface.text.DocumentClone; // packageimport | |
68 import dwtx.jface.text.DefaultUndoManager; // packageimport | |
69 import dwtx.jface.text.IFindReplaceTarget; // packageimport | |
70 import dwtx.jface.text.IAutoEditStrategy; // packageimport | |
71 import dwtx.jface.text.ILineTrackerExtension; // packageimport | |
72 import dwtx.jface.text.IUndoManagerExtension; // packageimport | |
73 import dwtx.jface.text.TextSelection; // packageimport | |
74 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport | |
75 import dwtx.jface.text.IAutoIndentStrategy; // packageimport | |
76 import dwtx.jface.text.IPainter; // packageimport | |
77 import dwtx.jface.text.IInformationControl; // packageimport | |
78 import dwtx.jface.text.IInformationControlExtension3; // packageimport | |
79 import dwtx.jface.text.ITextViewerExtension6; // packageimport | |
80 import dwtx.jface.text.IInformationControlExtension4; // packageimport | |
81 import dwtx.jface.text.DefaultLineTracker; // packageimport | |
82 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport | |
83 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport | |
84 import dwtx.jface.text.ITextHover; // packageimport | |
85 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport | |
86 import dwtx.jface.text.ILineTracker; // packageimport | |
87 import dwtx.jface.text.Line; // packageimport | |
88 import dwtx.jface.text.ITextViewerExtension; // packageimport | |
89 import dwtx.jface.text.IDocumentAdapter; // packageimport | |
90 import dwtx.jface.text.TextEvent; // packageimport | |
91 import dwtx.jface.text.BadLocationException; // packageimport | |
92 import dwtx.jface.text.AbstractDocument; // packageimport | |
93 import dwtx.jface.text.AbstractLineTracker; // packageimport | |
94 import dwtx.jface.text.TreeLineTracker; // packageimport | |
95 import dwtx.jface.text.ITextPresentationListener; // packageimport | |
96 import dwtx.jface.text.Region; // packageimport | |
97 import dwtx.jface.text.ITextViewer; // packageimport | |
98 import dwtx.jface.text.IDocumentInformationMapping; // packageimport | |
99 import dwtx.jface.text.MarginPainter; // packageimport | |
100 import dwtx.jface.text.IPaintPositionManager; // packageimport | |
101 import dwtx.jface.text.TextPresentation; // packageimport | |
102 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport | |
103 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport | |
104 import dwtx.jface.text.ISelectionValidator; // packageimport | |
105 import dwtx.jface.text.IDocumentExtension; // packageimport | |
106 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport | |
107 import dwtx.jface.text.ConfigurableLineTracker; // packageimport | |
108 import dwtx.jface.text.SlaveDocumentEvent; // packageimport | |
109 import dwtx.jface.text.IDocumentListener; // packageimport | |
110 import dwtx.jface.text.PaintManager; // packageimport | |
111 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport | |
112 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport | |
113 import dwtx.jface.text.IDocumentExtension3; // packageimport | |
114 import dwtx.jface.text.Position; // packageimport | |
115 import dwtx.jface.text.TextMessages; // packageimport | |
116 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
117 import dwtx.jface.text.IPositionUpdater; // packageimport | |
118 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
119 import dwtx.jface.text.ListLineTracker; // packageimport | |
120 import dwtx.jface.text.ITextInputListener; // packageimport | |
121 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
122 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
123 import dwtx.jface.text.IInputChangedListener; // packageimport | |
124 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
125 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
126 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
127 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
128 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
129 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
130 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
131 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
132 import dwtx.jface.text.CursorLinePainter; // packageimport | |
133 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
134 import dwtx.jface.text.IEventConsumer; // packageimport | |
135 import dwtx.jface.text.IDocument; // packageimport | |
136 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
137 import dwtx.jface.text.DocumentCommand; // packageimport | |
138 import dwtx.jface.text.TypedPosition; // packageimport | |
139 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
140 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
141 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
142 import dwtx.jface.text.IEditingSupport; // packageimport | |
143 import dwtx.jface.text.IMarkSelection; // packageimport | |
144 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
145 import dwtx.jface.text.DocumentEvent; // packageimport | |
146 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
147 import dwtx.jface.text.ITextStore; // packageimport | |
148 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
149 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
150 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
151 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
152 import dwtx.jface.text.TextAttribute; // packageimport | |
153 import dwtx.jface.text.ITextViewerExtension4; // packageimport | |
154 import dwtx.jface.text.ITypedRegion; // packageimport | |
155 | |
156 | |
129 | 157 import dwt.dwthelper.utils; |
158 | |
159 import dwtx.core.runtime.Assert; | |
160 | |
161 | |
162 /** | |
163 * Copy-on-write <code>ITextStore</code> wrapper. | |
164 * <p> | |
165 * This implementation uses an unmodifiable text store for the initial content. | |
166 * Upon first modification attempt, the unmodifiable store is replaced with | |
167 * a modifiable instance which must be supplied in the constructor.</p> | |
168 * <p> | |
169 * This class is not intended to be subclassed. | |
170 * </p> | |
171 * | |
172 * @since 3.2 | |
173 * @noextend This class is not intended to be subclassed by clients. | |
174 */ | |
175 public class CopyOnWriteTextStore : ITextStore { | |
176 | |
177 /** | |
178 * An unmodifiable String based text store. It is not possible to modify the content | |
179 * other than using {@link #set}. Trying to {@link #replace} a text range will | |
180 * throw an <code>UnsupportedOperationException</code>. | |
181 */ | |
182 private static class StringTextStore : ITextStore { | |
183 | |
184 /** Represents the content of this text store. */ | |
185 private String fText= ""; //$NON-NLS-1$ | |
186 | |
187 /** | |
188 * Create an empty text store. | |
189 */ | |
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
190 private this() { |
129 | 191 super(); |
192 } | |
193 | |
194 /** | |
195 * Create a text store with initial content. | |
196 * @param text the initial content | |
197 */ | |
133
7d818bd32d63
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parents:
131
diff
changeset
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198 private this(String text) { |
129 | 199 super(); |
200 set(text); | |
201 } | |
202 | |
203 /* | |
204 * @see dwtx.jface.text.ITextStore#get(int) | |
205 */ | |
206 public char get(int offset) { | |
207 return fText.charAt(offset); | |
208 } | |
209 | |
210 /* | |
211 * @see dwtx.jface.text.ITextStore#get(int, int) | |
212 */ | |
213 public String get(int offset, int length) { | |
214 return fText.substring(offset, offset + length); | |
215 } | |
216 | |
217 /* | |
218 * @see dwtx.jface.text.ITextStore#getLength() | |
219 */ | |
220 public int getLength() { | |
221 return fText.length(); | |
222 } | |
223 | |
224 /* | |
225 * @see dwtx.jface.text.ITextStore#replace(int, int, java.lang.String) | |
226 */ | |
227 public void replace(int offset, int length, String text) { | |
228 // modification not supported | |
229 throw new UnsupportedOperationException(); | |
230 } | |
231 | |
232 /* | |
233 * @see dwtx.jface.text.ITextStore#set(java.lang.String) | |
234 */ | |
235 public void set(String text) { | |
236 fText= text !is null ? text : ""; //$NON-NLS-1$ | |
237 } | |
238 | |
239 } | |
240 | |
241 /** The underlying "real" text store */ | |
242 protected ITextStore fTextStore= new StringTextStore(); | |
243 | |
244 /** A modifiable <code>ITextStore</code> instance */ | |
245 private final ITextStore fModifiableTextStore; | |
246 | |
247 /** | |
248 * Creates an empty text store. The given text store will be used upon first | |
249 * modification attempt. | |
250 * | |
251 * @param modifiableTextStore | |
252 * a modifiable <code>ITextStore</code> instance, may not be | |
253 * <code>null</code> | |
254 */ | |
133
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parents:
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diff
changeset
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255 public this(ITextStore modifiableTextStore) { |
129 | 256 Assert.isNotNull(modifiableTextStore); |
257 fTextStore= new StringTextStore(); | |
258 fModifiableTextStore= modifiableTextStore; | |
259 } | |
260 | |
261 /* | |
262 * @see dwtx.jface.text.ITextStore#get(int) | |
263 */ | |
264 public char get(int offset) { | |
265 return fTextStore.get(offset); | |
266 } | |
267 | |
268 /* | |
269 * @see dwtx.jface.text.ITextStore#get(int, int) | |
270 */ | |
271 public String get(int offset, int length) { | |
272 return fTextStore.get(offset, length); | |
273 } | |
274 | |
275 /* | |
276 * @see dwtx.jface.text.ITextStore#getLength() | |
277 */ | |
278 public int getLength() { | |
279 return fTextStore.getLength(); | |
280 } | |
281 | |
282 /* | |
283 * @see dwtx.jface.text.ITextStore#replace(int, int, java.lang.String) | |
284 */ | |
285 public void replace(int offset, int length, String text) { | |
286 if (fTextStore !is fModifiableTextStore) { | |
287 String content= fTextStore.get(0, fTextStore.getLength()); | |
288 fTextStore= fModifiableTextStore; | |
289 fTextStore.set(content); | |
290 } | |
291 fTextStore.replace(offset, length, text); | |
292 } | |
293 | |
294 /* | |
295 * @see dwtx.jface.text.ITextStore#set(java.lang.String) | |
296 */ | |
297 public void set(String text) { | |
298 fTextStore= new StringTextStore(text); | |
299 fModifiableTextStore.set(""); //$NON-NLS-1$ | |
300 } | |
301 | |
302 } |