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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
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131
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14
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151
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15 module dwtx.jface.text.formatter.ContextBasedFormattingStrategy;
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16
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131
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17 import dwtx.jface.text.formatter.MultiPassContentFormatter; // packageimport
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18 import dwtx.jface.text.formatter.FormattingContext; // packageimport
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19 import dwtx.jface.text.formatter.IFormattingStrategy; // packageimport
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20 import dwtx.jface.text.formatter.IContentFormatterExtension; // packageimport
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21 import dwtx.jface.text.formatter.IFormattingStrategyExtension; // packageimport
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22 import dwtx.jface.text.formatter.IContentFormatter; // packageimport
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23 import dwtx.jface.text.formatter.FormattingContextProperties; // packageimport
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24 import dwtx.jface.text.formatter.ContentFormatter; // packageimport
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25 import dwtx.jface.text.formatter.IFormattingContext; // packageimport
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26
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129
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27 import dwt.dwthelper.utils;
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28
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29 import java.util.LinkedList;
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30 import java.util.Map;
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31
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32 /**
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33 * Formatting strategy for context based content formatting. Retrieves the preferences
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34 * set on the formatting context's {@link FormattingContextProperties#CONTEXT_PREFERENCES}
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35 * property and makes them available to subclasses.
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36 * <p>
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37 *
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38 * @since 3.0
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39 */
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40 public abstract class ContextBasedFormattingStrategy : IFormattingStrategy, IFormattingStrategyExtension {
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41
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42 /** The current preferences for formatting */
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43 private Map fCurrentPreferences= null;
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44
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45 /** The list of preferences for initiated the formatting steps */
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146
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46 private const LinkedList fPreferences= new LinkedList();
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129
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47
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48 /*
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49 * @see dwtx.jface.text.formatter.IFormattingStrategyExtension#format()
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50 */
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51 public void format() {
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134
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52 fCurrentPreferences= cast(Map)fPreferences.removeFirst();
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129
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53 }
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54
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55 /*
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56 * @see dwtx.jface.text.formatter.IFormattingStrategy#format(java.lang.String, bool, java.lang.String, int[])
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57 */
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58 public String format(String content, bool start, String indentation, int[] positions) {
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59 return null;
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60 }
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61
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62 /*
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63 * @see dwtx.jface.text.formatter.IFormattingStrategyExtension#formatterStarts(dwtx.jface.text.formatter.IFormattingContext)
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64 */
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65 public void formatterStarts(final IFormattingContext context) {
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66 fPreferences.addLast(context.getProperty(FormattingContextProperties.CONTEXT_PREFERENCES));
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67 }
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68
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69 /*
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70 * @see IFormattingStrategy#formatterStarts(String)
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71 */
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72 public void formatterStarts(final String indentation) {
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73 // Do nothing
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74 }
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75
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76 /*
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77 * @see dwtx.jface.text.formatter.IFormattingStrategyExtension#formatterStops()
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78 */
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79 public void formatterStops() {
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80 fPreferences.clear();
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81
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82 fCurrentPreferences= null;
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83 }
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84
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85 /**
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86 * Returns the preferences used for the current formatting step.
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87 *
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88 * @return The preferences for the current formatting step
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89 */
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90 public final Map getPreferences() {
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91 return fCurrentPreferences;
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92 }
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93 }
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