Mercurial > projects > dwt-addons
annotate dwtx/jface/text/rules/NumberRule.d @ 199:eb98a5cbfd78
Fix: potential problem with synchronized, thx torhu.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 13 Mar 2009 17:03:26 +0100 |
| parents | 1a5b8f8129df |
| children |
| rev | line source |
|---|---|
| 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 | |
| 131 | 14 |
| 151 | 15 module dwtx.jface.text.rules.NumberRule; |
| 16 | |
| 131 | 17 import dwtx.jface.text.rules.FastPartitioner; // packageimport |
| 18 import dwtx.jface.text.rules.ITokenScanner; // packageimport | |
| 19 import dwtx.jface.text.rules.Token; // packageimport | |
| 20 import dwtx.jface.text.rules.RuleBasedScanner; // packageimport | |
| 21 import dwtx.jface.text.rules.EndOfLineRule; // packageimport | |
| 22 import dwtx.jface.text.rules.WordRule; // packageimport | |
| 23 import dwtx.jface.text.rules.WhitespaceRule; // packageimport | |
| 24 import dwtx.jface.text.rules.WordPatternRule; // packageimport | |
| 25 import dwtx.jface.text.rules.IPredicateRule; // packageimport | |
| 26 import dwtx.jface.text.rules.DefaultPartitioner; // packageimport | |
| 27 import dwtx.jface.text.rules.SingleLineRule; // packageimport | |
| 28 import dwtx.jface.text.rules.PatternRule; // packageimport | |
| 29 import dwtx.jface.text.rules.RuleBasedDamagerRepairer; // packageimport | |
| 30 import dwtx.jface.text.rules.ICharacterScanner; // packageimport | |
| 31 import dwtx.jface.text.rules.IRule; // packageimport | |
| 32 import dwtx.jface.text.rules.DefaultDamagerRepairer; // packageimport | |
| 33 import dwtx.jface.text.rules.IToken; // packageimport | |
| 34 import dwtx.jface.text.rules.IPartitionTokenScanner; // packageimport | |
| 35 import dwtx.jface.text.rules.MultiLineRule; // packageimport | |
| 36 import dwtx.jface.text.rules.RuleBasedPartitioner; // packageimport | |
| 37 import dwtx.jface.text.rules.RuleBasedPartitionScanner; // packageimport | |
| 38 import dwtx.jface.text.rules.BufferedRuleBasedScanner; // packageimport | |
| 39 import dwtx.jface.text.rules.IWhitespaceDetector; // packageimport | |
| 40 | |
| 129 | 41 import dwt.dwthelper.utils; |
| 42 | |
| 43 import dwtx.core.runtime.Assert; | |
| 44 | |
| 45 | |
| 46 /** | |
| 47 * An implementation of <code>IRule</code> detecting a numerical value. | |
| 48 */ | |
| 49 public class NumberRule : IRule { | |
| 50 | |
| 51 /** Internal setting for the un-initialized column constraint */ | |
| 162 | 52 protected static const int UNDEFINED= -1; |
| 129 | 53 /** The token to be returned when this rule is successful */ |
| 54 protected IToken fToken; | |
| 55 /** The column constraint */ | |
| 56 protected int fColumn= UNDEFINED; | |
| 57 | |
| 58 /** | |
| 59 * Creates a rule which will return the specified | |
| 60 * token when a numerical sequence is detected. | |
| 61 * | |
| 62 * @param token the token to be returned | |
| 63 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
64 public this(IToken token) { |
| 162 | 65 Assert.isNotNull(cast(Object)token); |
| 129 | 66 fToken= token; |
| 67 } | |
| 68 | |
| 69 /** | |
| 70 * Sets a column constraint for this rule. If set, the rule's token | |
| 71 * will only be returned if the pattern is detected starting at the | |
| 72 * specified column. If the column is smaller then 0, the column | |
| 73 * constraint is considered removed. | |
| 74 * | |
| 75 * @param column the column in which the pattern starts | |
| 76 */ | |
| 77 public void setColumnConstraint(int column) { | |
| 78 if (column < 0) | |
| 79 column= UNDEFINED; | |
| 80 fColumn= column; | |
| 81 } | |
| 82 | |
| 83 /* | |
| 84 * @see IRule#evaluate(ICharacterScanner) | |
| 85 */ | |
| 86 public IToken evaluate(ICharacterScanner scanner) { | |
| 87 int c= scanner.read(); | |
| 162 | 88 if (Character.isDigit(cast(char)c)) { |
| 129 | 89 if (fColumn is UNDEFINED || (fColumn is scanner.getColumn() - 1)) { |
| 90 do { | |
| 91 c= scanner.read(); | |
| 162 | 92 } while (Character.isDigit(cast(char) c)); |
| 129 | 93 scanner.unread(); |
| 94 return fToken; | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 scanner.unread(); | |
| 99 return Token.UNDEFINED; | |
| 100 } | |
| 101 } |