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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.text.rules.ICharacterScanner;
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14
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131
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15 import dwtx.jface.text.rules.FastPartitioner; // packageimport
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16 import dwtx.jface.text.rules.ITokenScanner; // packageimport
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17 import dwtx.jface.text.rules.Token; // packageimport
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18 import dwtx.jface.text.rules.RuleBasedScanner; // packageimport
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19 import dwtx.jface.text.rules.EndOfLineRule; // packageimport
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20 import dwtx.jface.text.rules.WordRule; // packageimport
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21 import dwtx.jface.text.rules.WhitespaceRule; // packageimport
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22 import dwtx.jface.text.rules.WordPatternRule; // packageimport
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23 import dwtx.jface.text.rules.IPredicateRule; // packageimport
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24 import dwtx.jface.text.rules.DefaultPartitioner; // packageimport
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25 import dwtx.jface.text.rules.NumberRule; // packageimport
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26 import dwtx.jface.text.rules.SingleLineRule; // packageimport
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27 import dwtx.jface.text.rules.PatternRule; // packageimport
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28 import dwtx.jface.text.rules.IWordDetector; // packageimport
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29 import dwtx.jface.text.rules.RuleBasedDamagerRepairer; // packageimport
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30 import dwtx.jface.text.rules.IRule; // packageimport
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31 import dwtx.jface.text.rules.DefaultDamagerRepairer; // packageimport
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32 import dwtx.jface.text.rules.IToken; // packageimport
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33 import dwtx.jface.text.rules.IPartitionTokenScanner; // packageimport
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34 import dwtx.jface.text.rules.MultiLineRule; // packageimport
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35 import dwtx.jface.text.rules.RuleBasedPartitioner; // packageimport
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36 import dwtx.jface.text.rules.RuleBasedPartitionScanner; // packageimport
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37 import dwtx.jface.text.rules.BufferedRuleBasedScanner; // packageimport
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38 import dwtx.jface.text.rules.IWhitespaceDetector; // packageimport
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39
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40
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129
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41 import dwt.dwthelper.utils;
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42
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43
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44 /**
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45 * Defines the interface of a character scanner used by rules.
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46 * Rules may request the next character or ask the character
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47 * scanner to unread the last read character.
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48 */
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49 public interface ICharacterScanner {
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50
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51 /**
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52 * The value returned when this scanner has read EOF.
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53 */
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54 public static final int EOF= -1;
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55
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56 /**
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57 * Provides rules access to the legal line delimiters. The returned
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58 * object may not be modified by clients.
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59 *
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60 * @return the legal line delimiters
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61 */
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62 char[][] getLegalLineDelimiters();
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63
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64 /**
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65 * Returns the column of the character scanner.
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66 *
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67 * @return the column of the character scanner
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68 */
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69 int getColumn();
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70
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71 /**
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72 * Returns the next character or EOF if end of file has been reached
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73 *
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74 * @return the next character or EOF
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75 */
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76 int read();
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77
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78 /**
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79 * Rewinds the scanner before the last read character.
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80 */
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81 void unread();
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82 }
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