Mercurial > projects > dwt-addons
annotate dwtx/jface/text/projection/ProjectionTextStore.d @ 134:51e6e63f930e
Regex fix for casts
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 01:46:20 +0200 |
| parents | 7d818bd32d63 |
| 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.projection.ProjectionTextStore; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.projection.ProjectionMapping; // packageimport |
| 16 import dwtx.jface.text.projection.ChildDocumentManager; // packageimport | |
| 17 import dwtx.jface.text.projection.SegmentUpdater; // packageimport | |
| 18 import dwtx.jface.text.projection.Segment; // packageimport | |
| 19 import dwtx.jface.text.projection.ProjectionDocument; // packageimport | |
| 20 import dwtx.jface.text.projection.FragmentUpdater; // packageimport | |
| 21 import dwtx.jface.text.projection.ProjectionDocumentEvent; // packageimport | |
| 22 import dwtx.jface.text.projection.ChildDocument; // packageimport | |
| 23 import dwtx.jface.text.projection.IMinimalMapping; // packageimport | |
| 24 import dwtx.jface.text.projection.Fragment; // packageimport | |
| 25 import dwtx.jface.text.projection.ProjectionDocumentManager; // packageimport | |
| 26 | |
| 27 | |
| 129 | 28 import dwt.dwthelper.utils; |
| 29 | |
| 30 | |
| 31 import dwtx.jface.text.BadLocationException; | |
| 32 import dwtx.jface.text.IDocument; | |
| 33 import dwtx.jface.text.IRegion; | |
| 34 import dwtx.jface.text.ITextStore; | |
| 35 import dwtx.jface.text.Region; | |
| 36 | |
| 37 | |
| 38 /** | |
| 39 * A text store representing the projection defined by the given document | |
| 40 * information mapping. | |
| 41 * | |
| 42 * @since 3.0 | |
| 43 */ | |
| 44 class ProjectionTextStore : ITextStore { | |
| 45 | |
| 46 /** | |
| 47 * Implementation of {@link IRegion} that can be reused | |
| 48 * by setting the offset and the length. | |
| 49 */ | |
| 50 private static class ReusableRegion : IRegion { | |
| 51 | |
| 52 private int fOffset; | |
| 53 private int fLength; | |
| 54 | |
| 55 /* | |
| 56 * @see dwtx.jface.text.IRegion#getLength() | |
| 57 */ | |
| 58 public int getLength() { | |
| 59 return fLength; | |
| 60 } | |
| 61 | |
| 62 /* | |
| 63 * @see dwtx.jface.text.IRegion#getOffset() | |
| 64 */ | |
| 65 public int getOffset() { | |
| 66 return fOffset; | |
| 67 } | |
| 68 | |
| 69 /** | |
| 70 * Updates this region. | |
| 71 * | |
| 72 * @param offset the new offset | |
| 73 * @param length the new length | |
| 74 */ | |
| 75 public void update(int offset, int length) { | |
| 76 fOffset= offset; | |
| 77 fLength= length; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 /** The master document */ | |
| 82 private IDocument fMasterDocument; | |
| 83 /** The document information mapping */ | |
| 84 private IMinimalMapping fMapping; | |
| 85 /** Internal region used for querying the mapping. */ | |
| 86 private ReusableRegion fReusableRegion= new ReusableRegion(); | |
| 87 | |
| 88 | |
| 89 /** | |
| 90 * Creates a new projection text store for the given master document and | |
| 91 * the given document information mapping. | |
| 92 * | |
| 93 * @param masterDocument the master document | |
| 94 * @param mapping the document information mapping | |
| 95 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
96 public this(IDocument masterDocument, IMinimalMapping mapping) { |
| 129 | 97 fMasterDocument= masterDocument; |
| 98 fMapping= mapping; | |
| 99 } | |
| 100 | |
| 101 private void internalError() { | |
| 102 throw new IllegalStateException(); | |
| 103 } | |
| 104 | |
| 105 /* | |
| 106 * @see dwtx.jface.text.ITextStore#set(java.lang.String) | |
| 107 */ | |
| 108 public void set(String contents) { | |
| 109 | |
| 110 IRegion masterRegion= fMapping.getCoverage(); | |
| 111 if (masterRegion is null) | |
| 112 internalError(); | |
| 113 | |
| 114 try { | |
| 115 fMasterDocument.replace(masterRegion.getOffset(), masterRegion.getLength(), contents); | |
| 116 } catch (BadLocationException e) { | |
| 117 internalError(); | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 /* | |
| 122 * @see dwtx.jface.text.ITextStore#replace(int, int, java.lang.String) | |
| 123 */ | |
| 124 public void replace(int offset, int length, String text) { | |
| 125 fReusableRegion.update(offset, length); | |
| 126 try { | |
| 127 IRegion masterRegion= fMapping.toOriginRegion(fReusableRegion); | |
| 128 fMasterDocument.replace(masterRegion.getOffset(), masterRegion.getLength(), text); | |
| 129 } catch (BadLocationException e) { | |
| 130 internalError(); | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 /* | |
| 135 * @see dwtx.jface.text.ITextStore#getLength() | |
| 136 */ | |
| 137 public int getLength() { | |
| 138 return fMapping.getImageLength(); | |
| 139 } | |
| 140 | |
| 141 /* | |
| 142 * @see dwtx.jface.text.ITextStore#get(int) | |
| 143 */ | |
| 144 public char get(int offset) { | |
| 145 try { | |
| 146 int originOffset= fMapping.toOriginOffset(offset); | |
| 147 return fMasterDocument.getChar(originOffset); | |
| 148 } catch (BadLocationException e) { | |
| 149 internalError(); | |
| 150 } | |
| 151 | |
| 152 // unreachable | |
| 134 | 153 return cast(wchar) 0; |
| 129 | 154 } |
| 155 | |
| 156 /* | |
| 157 * @see ITextStore#get(int, int) | |
| 158 */ | |
| 159 public String get(int offset, int length) { | |
| 160 try { | |
| 161 IRegion[] fragments= fMapping.toExactOriginRegions(new Region(offset, length)); | |
| 162 StringBuffer buffer= new StringBuffer(); | |
| 163 for (int i= 0; i < fragments.length; i++) { | |
| 164 IRegion fragment= fragments[i]; | |
| 165 buffer.append(fMasterDocument.get(fragment.getOffset(), fragment.getLength())); | |
| 166 } | |
| 167 return buffer.toString(); | |
| 168 } catch (BadLocationException e) { | |
| 169 internalError(); | |
| 170 } | |
| 171 | |
| 172 // unreachable | |
| 173 return null; | |
| 174 } | |
| 175 } |