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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 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.templates.TemplateBuffer;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import dwtx.core.runtime.Assert;
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18
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19 /**
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20 * A template buffer is a container for a string and variables.
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21 * <p>
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22 * Clients may instantiate this class.
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23 * </p>
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24 *
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25 * @since 3.0
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26 */
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27 public final class TemplateBuffer {
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28
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29 /** The string of the template buffer */
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30 private String fString;
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31 /** The variable positions of the template buffer */
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32 private TemplateVariable[] fVariables;
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33
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34 /**
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35 * Creates a template buffer.
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36 *
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37 * @param string the string
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38 * @param variables the variable positions
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39 */
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40 public TemplateBuffer(String string, TemplateVariable[] variables) {
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41 setContent(string, variables);
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42 }
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43
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44 /**
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45 * Sets the content of the template buffer.
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46 *
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47 * @param string the string
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48 * @param variables the variable positions
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49 */
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50 public final void setContent(String string, TemplateVariable[] variables) {
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51 Assert.isNotNull(string);
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52 Assert.isNotNull(variables);
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53
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54 // XXX assert non-overlapping variable properties
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55
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56 fString= string;
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57 fVariables= copy(variables);
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58 }
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59
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60 /**
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61 * Returns a copy of the given array.
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62 *
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63 * @param array the array to be copied
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64 * @return a copy of the given array or <code>null</code> when <code>array</code> is <code>null</code>
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65 * @since 3.1
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66 */
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67 private static TemplateVariable[] copy(TemplateVariable[] array) {
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68 if (array !is null) {
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69 TemplateVariable[] copy= new TemplateVariable[array.length];
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70 System.arraycopy(array, 0, copy, 0, array.length);
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71 return copy;
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72 }
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73 return null;
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74 }
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75
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76 /**
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77 * Returns the string of the template buffer.
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78 *
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79 * @return the string representation of the template buffer
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80 */
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81 public final String getString() {
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82 return fString;
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83 }
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84
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85 /**
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86 * Returns the variable positions of the template buffer. The returned array is
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87 * owned by this variable and must not be modified.
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88 *
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89 * @return the variable positions of the template buffer
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90 */
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91 public final TemplateVariable[] getVariables() {
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92 return fVariables;
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93 }
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94
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95 }
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