Mercurial > projects > dwt-addons
annotate dwtx/jface/text/reconciler/DirtyRegion.d @ 133:7d818bd32d63
Fix ctors to this with gvim regexp
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 01:29:22 +0200 |
| parents | c4fb132a086c |
| children | 1a5b8f8129df |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 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.reconciler.DirtyRegion; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.reconciler.IReconciler; // packageimport |
| 16 import dwtx.jface.text.reconciler.DirtyRegionQueue; // packageimport | |
| 17 import dwtx.jface.text.reconciler.IReconcilingStrategy; // packageimport | |
| 18 import dwtx.jface.text.reconciler.AbstractReconcileStep; // packageimport | |
| 19 import dwtx.jface.text.reconciler.IReconcilingStrategyExtension; // packageimport | |
| 20 import dwtx.jface.text.reconciler.MonoReconciler; // packageimport | |
| 21 import dwtx.jface.text.reconciler.IReconcileStep; // packageimport | |
| 22 import dwtx.jface.text.reconciler.AbstractReconciler; // packageimport | |
| 23 import dwtx.jface.text.reconciler.Reconciler; // packageimport | |
| 24 import dwtx.jface.text.reconciler.IReconcilableModel; // packageimport | |
| 25 import dwtx.jface.text.reconciler.IReconcileResult; // packageimport | |
| 26 import dwtx.jface.text.reconciler.IReconcilerExtension; // packageimport | |
| 27 | |
| 28 | |
| 129 | 29 import dwt.dwthelper.utils; |
| 30 | |
| 31 import dwtx.jface.text.ITypedRegion; | |
| 32 | |
| 33 | |
| 34 /** | |
| 35 * A dirty region describes a document range which has been changed. | |
| 36 */ | |
| 37 public class DirtyRegion : ITypedRegion { | |
| 38 | |
| 39 /** | |
| 40 * Identifies an insert operation. | |
| 41 */ | |
| 42 final static public String INSERT= "__insert"; //$NON-NLS-1$ | |
| 43 /** | |
| 44 * Identifies a remove operation. | |
| 45 */ | |
| 46 final static public String REMOVE= "__remove"; //$NON-NLS-1$ | |
| 47 | |
| 48 /** The region's offset. */ | |
| 49 private int fOffset; | |
| 50 /** The region's length. */ | |
| 51 private int fLength; | |
| 52 /** Indicates the type of the applied change. */ | |
| 53 private String fType; | |
| 54 /** The text which has been inserted. */ | |
| 55 private String fText; | |
| 56 | |
| 57 /** | |
| 58 * Creates a new dirty region. | |
| 59 * | |
| 60 * @param offset the offset within the document where the change occurred | |
| 61 * @param length the length of the text within the document that changed | |
| 62 * @param type the type of change that this region represents: {@link #INSERT} {@link #REMOVE} | |
| 63 * @param text the substitution text | |
| 64 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
65 public this(int offset, int length, String type, String text) { |
| 129 | 66 fOffset= offset; |
| 67 fLength= length; | |
| 68 fType= normalizeTypeValue(type); | |
| 69 fText= text; | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Computes the normalized type value to ensure that the implementation can use object identity rather | |
| 74 * than equality. | |
| 75 * | |
| 76 * @param type the type value | |
| 77 * @return the normalized type value or <code>null</code> | |
| 78 * @since 3.1 | |
| 79 */ | |
| 80 private String normalizeTypeValue(String type) { | |
| 81 if (INSERT.equals(type)) | |
| 82 return INSERT; | |
| 83 if (REMOVE.equals(type)) | |
| 84 return REMOVE; | |
| 85 return null; | |
| 86 } | |
| 87 | |
| 88 /* | |
| 89 * @see ITypedRegion#getOffset() | |
| 90 */ | |
| 91 public int getOffset() { | |
| 92 return fOffset; | |
| 93 } | |
| 94 | |
| 95 /* | |
| 96 * @see ITypedRegion#getLength() | |
| 97 */ | |
| 98 public int getLength() { | |
| 99 return fLength; | |
| 100 } | |
| 101 | |
| 102 /* | |
| 103 * @see ITypedRegion#getType | |
| 104 */ | |
| 105 public String getType() { | |
| 106 return fType; | |
| 107 } | |
| 108 | |
| 109 /** | |
| 110 * Returns the text that changed as part of the region change. | |
| 111 * | |
| 112 * @return the changed text | |
| 113 */ | |
| 114 public String getText() { | |
| 115 return fText; | |
| 116 } | |
| 117 | |
| 118 /** | |
| 119 * Modify the receiver so that it encompasses the region specified by the dirty region. | |
| 120 * | |
| 121 * @param dr the dirty region with which to merge | |
| 122 */ | |
| 123 void mergeWith(DirtyRegion dr) { | |
| 124 int start= Math.min(fOffset, dr.fOffset); | |
| 125 int end= Math.max(fOffset + fLength, dr.fOffset + dr.fLength); | |
| 126 fOffset= start; | |
| 127 fLength= end - start; | |
| 128 fText= (dr.fText is null ? fText : (fText is null) ? dr.fText : fText + dr.fText); | |
| 129 } | |
| 130 } |