Mercurial > projects > dwt-addons
annotate dwtx/jface/text/SequentialRewriteTextStore.d @ 153:f70d9508c95c
Fix java Collection imports
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 25 Aug 2008 00:27:31 +0200 |
parents | 5cf141e43417 |
children | 1a5b8f8129df |
rev | line source |
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129 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2006 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 * IBM Corporation - initial API and implementation | |
10 * Port to the D programming language: | |
11 * Frank Benoit <benoit@tionex.de> | |
12 *******************************************************************************/ | |
13 module dwtx.jface.text.SequentialRewriteTextStore; | |
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.CopyOnWriteTextStore; // packageimport | |
117 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
118 import dwtx.jface.text.IPositionUpdater; // packageimport | |
119 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
120 import dwtx.jface.text.ListLineTracker; // packageimport | |
121 import dwtx.jface.text.ITextInputListener; // packageimport | |
122 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
123 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
124 import dwtx.jface.text.IInputChangedListener; // packageimport | |
125 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
126 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
127 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
128 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
129 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
130 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
131 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
132 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
133 import dwtx.jface.text.CursorLinePainter; // packageimport | |
134 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
135 import dwtx.jface.text.IEventConsumer; // packageimport | |
136 import dwtx.jface.text.IDocument; // packageimport | |
137 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
138 import dwtx.jface.text.DocumentCommand; // packageimport | |
139 import dwtx.jface.text.TypedPosition; // packageimport | |
140 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
141 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
142 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
143 import dwtx.jface.text.IEditingSupport; // packageimport | |
144 import dwtx.jface.text.IMarkSelection; // packageimport | |
145 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
146 import dwtx.jface.text.DocumentEvent; // packageimport | |
147 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
148 import dwtx.jface.text.ITextStore; // packageimport | |
149 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
150 import dwtx.jface.text.DocumentRewriteSessionEvent; // 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 | |
153
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160 import dwtx.dwtxhelper.Collection; |
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161 |
129 | 162 |
163 | |
164 /** | |
165 * A text store that optimizes a given source text store for sequential rewriting. | |
166 * While rewritten it keeps a list of replace command that serve as patches for | |
167 * the source store. Only on request, the source store is indeed manipulated | |
168 * by applying the patch commands to the source text store. | |
169 * | |
170 * @since 2.0 | |
171 * @deprecated since 3.3 as {@link GapTextStore} performs better even for sequential rewrite scenarios | |
172 */ | |
173 public class SequentialRewriteTextStore : ITextStore { | |
174 | |
175 /** | |
176 * A buffered replace command. | |
177 */ | |
178 private static class Replace { | |
179 public int newOffset; | |
146 | 180 public const int offset; |
181 public const int length; | |
182 public const String text; | |
129 | 183 |
133
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184 public this(int offset, int newOffset, int length, String text) { |
129 | 185 this.newOffset= newOffset; |
186 this.offset= offset; | |
187 this.length= length; | |
188 this.text= text; | |
189 } | |
190 } | |
191 | |
192 /** The list of buffered replacements. */ | |
193 private LinkedList fReplaceList; | |
194 /** The source text store */ | |
195 private ITextStore fSource; | |
196 /** A flag to enforce sequential access. */ | |
147 | 197 private static const bool ASSERT_SEQUENTIALITY= false; |
129 | 198 |
199 | |
200 /** | |
201 * Creates a new sequential rewrite store for the given source store. | |
202 * | |
203 * @param source the source text store | |
204 */ | |
133
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205 public this(ITextStore source) { |
129 | 206 fReplaceList= new LinkedList(); |
207 fSource= source; | |
208 } | |
209 | |
210 /** | |
211 * Returns the source store of this rewrite store. | |
212 * | |
213 * @return the source store of this rewrite store | |
214 */ | |
215 public ITextStore getSourceStore() { | |
216 commit(); | |
217 return fSource; | |
218 } | |
219 | |
220 /* | |
221 * @see dwtx.jface.text.ITextStore#replace(int, int, java.lang.String) | |
222 */ | |
223 public void replace(int offset, int length, String text) { | |
224 if (text is null) | |
225 text= ""; //$NON-NLS-1$ | |
226 | |
227 if (fReplaceList.size() is 0) { | |
228 fReplaceList.add(new Replace(offset, offset, length, text)); | |
229 | |
230 } else { | |
134 | 231 Replace firstReplace= cast(Replace) fReplaceList.getFirst(); |
232 Replace lastReplace= cast(Replace) fReplaceList.getLast(); | |
129 | 233 |
234 // backward | |
235 if (offset + length <= firstReplace.newOffset) { | |
236 int delta= text.length() - length; | |
237 if (delta !is 0) { | |
238 for (Iterator i= fReplaceList.iterator(); i.hasNext(); ) { | |
134 | 239 Replace replace= cast(Replace) i.next(); |
129 | 240 replace.newOffset += delta; |
241 } | |
242 } | |
243 | |
244 fReplaceList.addFirst(new Replace(offset, offset, length, text)); | |
245 | |
246 // forward | |
247 } else if (offset >= lastReplace.newOffset + lastReplace.text.length()) { | |
248 int delta= getDelta(lastReplace); | |
249 fReplaceList.add(new Replace(offset - delta, offset, length, text)); | |
250 | |
150 | 251 } else if (ASSERT_SEQUENTIALITY) { |
129 | 252 throw new IllegalArgumentException(); |
253 | |
254 } else { | |
255 commit(); | |
256 fSource.replace(offset, length, text); | |
257 } | |
258 } | |
259 } | |
260 | |
261 /* | |
262 * @see dwtx.jface.text.ITextStore#set(java.lang.String) | |
263 */ | |
264 public void set(String text) { | |
265 fSource.set(text); | |
266 fReplaceList.clear(); | |
267 } | |
268 | |
269 /* | |
270 * @see dwtx.jface.text.ITextStore#get(int, int) | |
271 */ | |
272 public String get(int offset, int length) { | |
273 | |
274 if (fReplaceList.isEmpty()) | |
275 return fSource.get(offset, length); | |
276 | |
277 | |
134 | 278 Replace firstReplace= cast(Replace) fReplaceList.getFirst(); |
279 Replace lastReplace= cast(Replace) fReplaceList.getLast(); | |
129 | 280 |
281 // before | |
282 if (offset + length <= firstReplace.newOffset) { | |
283 return fSource.get(offset, length); | |
284 | |
285 // after | |
286 } else if (offset >= lastReplace.newOffset + lastReplace.text.length()) { | |
287 int delta= getDelta(lastReplace); | |
288 return fSource.get(offset - delta, length); | |
289 | |
150 | 290 } else if (ASSERT_SEQUENTIALITY) { |
129 | 291 throw new IllegalArgumentException(); |
292 | |
293 } else { | |
294 | |
295 int delta= 0; | |
296 for (Iterator i= fReplaceList.iterator(); i.hasNext(); ) { | |
134 | 297 Replace replace= cast(Replace) i.next(); |
129 | 298 |
299 if (offset + length < replace.newOffset) { | |
300 return fSource.get(offset - delta, length); | |
301 | |
302 } else if (offset >= replace.newOffset && offset + length <= replace.newOffset + replace.text.length()) { | |
303 return replace.text.substring(offset - replace.newOffset, offset - replace.newOffset + length); | |
304 | |
305 } else if (offset >= replace.newOffset + replace.text.length()) { | |
306 delta= getDelta(replace); | |
307 continue; | |
308 | |
309 } else { | |
310 commit(); | |
311 return fSource.get(offset, length); | |
312 } | |
313 } | |
314 | |
315 return fSource.get(offset - delta, length); | |
316 } | |
317 | |
318 } | |
319 | |
320 /** | |
321 * Returns the difference between the offset in the source store and the "same" offset in the | |
322 * rewrite store after the replace operation. | |
323 * | |
324 * @param replace the replace command | |
325 * @return the difference | |
326 */ | |
327 private static final int getDelta(Replace replace) { | |
328 return replace.newOffset - replace.offset + replace.text.length() - replace.length; | |
329 } | |
330 | |
331 /* | |
332 * @see dwtx.jface.text.ITextStore#get(int) | |
333 */ | |
334 public char get(int offset) { | |
335 if (fReplaceList.isEmpty()) | |
336 return fSource.get(offset); | |
337 | |
134 | 338 Replace firstReplace= cast(Replace) fReplaceList.getFirst(); |
339 Replace lastReplace= cast(Replace) fReplaceList.getLast(); | |
129 | 340 |
341 // before | |
342 if (offset < firstReplace.newOffset) { | |
343 return fSource.get(offset); | |
344 | |
345 // after | |
346 } else if (offset >= lastReplace.newOffset + lastReplace.text.length()) { | |
347 int delta= getDelta(lastReplace); | |
348 return fSource.get(offset - delta); | |
349 | |
150 | 350 } else if (ASSERT_SEQUENTIALITY) { |
129 | 351 throw new IllegalArgumentException(); |
352 | |
353 } else { | |
354 | |
355 int delta= 0; | |
356 for (Iterator i= fReplaceList.iterator(); i.hasNext(); ) { | |
134 | 357 Replace replace= cast(Replace) i.next(); |
129 | 358 |
359 if (offset < replace.newOffset) | |
360 return fSource.get(offset - delta); | |
361 | |
362 else if (offset < replace.newOffset + replace.text.length()) | |
363 return replace.text.charAt(offset - replace.newOffset); | |
364 | |
365 delta= getDelta(replace); | |
366 } | |
367 | |
368 return fSource.get(offset - delta); | |
369 } | |
370 } | |
371 | |
372 /* | |
373 * @see dwtx.jface.text.ITextStore#getLength() | |
374 */ | |
375 public int getLength() { | |
376 if (fReplaceList.isEmpty()) | |
377 return fSource.getLength(); | |
378 | |
134 | 379 Replace lastReplace= cast(Replace) fReplaceList.getLast(); |
129 | 380 return fSource.getLength() + getDelta(lastReplace); |
381 } | |
382 | |
383 /** | |
384 * Disposes this rewrite store. | |
385 */ | |
386 public void dispose() { | |
387 fReplaceList= null; | |
388 fSource= null; | |
389 } | |
390 | |
391 /** | |
392 * Commits all buffered replace commands. | |
393 */ | |
394 private void commit() { | |
395 | |
396 if (fReplaceList.isEmpty()) | |
397 return; | |
398 | |
399 StringBuffer buffer= new StringBuffer(); | |
400 | |
401 int delta= 0; | |
402 for (Iterator i= fReplaceList.iterator(); i.hasNext(); ) { | |
134 | 403 Replace replace= cast(Replace) i.next(); |
129 | 404 |
405 int offset= buffer.length() - delta; | |
406 buffer.append(fSource.get(offset, replace.offset - offset)); | |
407 buffer.append(replace.text); | |
408 delta= getDelta(replace); | |
409 } | |
410 | |
411 int offset= buffer.length() - delta; | |
412 buffer.append(fSource.get(offset, fSource.getLength() - offset)); | |
413 | |
414 fSource.set(buffer.toString()); | |
415 fReplaceList.clear(); | |
416 } | |
417 } |