1 | /* Segment.java --
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2 | Copyright (C) 2002 Free Software Foundation, Inc.
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3 |
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4 | This file is part of GNU Classpath.
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5 |
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6 | GNU Classpath is free software; you can redistribute it and/or modify
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7 | it under the terms of the GNU General Public License as published by
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8 | the Free Software Foundation; either version 2, or (at your option)
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9 | any later version.
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10 |
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11 | GNU Classpath is distributed in the hope that it will be useful, but
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12 | WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | General Public License for more details.
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15 |
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16 | You should have received a copy of the GNU General Public License
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17 | along with GNU Classpath; see the file COPYING. If not, write to the
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18 | Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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19 | 02111-1307 USA.
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20 |
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21 | Linking this library statically or dynamically with other modules is
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22 | making a combined work based on this library. Thus, the terms and
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23 | conditions of the GNU General Public License cover the whole
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24 | combination.
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25 |
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26 | As a special exception, the copyright holders of this library give you
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27 | permission to link this library with independent modules to produce an
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28 | executable, regardless of the license terms of these independent
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29 | modules, and to copy and distribute the resulting executable under
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30 | terms of your choice, provided that you also meet, for each linked
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31 | independent module, the terms and conditions of the license of that
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32 | module. An independent module is a module which is not derived from
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33 | or based on this library. If you modify this library, you may extend
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34 | this exception to your version of the library, but you are not
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35 | obligated to do so. If you do not wish to do so, delete this
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36 | exception statement from your version. */
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37 |
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38 | package javax.swing.text;
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39 |
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40 | import java.util.*;
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41 |
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42 |
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43 | public class Segment implements Cloneable, CharacterIterator
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44 | {
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45 | char[] array;
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46 | int count;
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47 | int offset;
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48 |
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49 | public Object clone()
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50 | {
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51 | try {
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52 | return super.clone();
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53 | } catch (Exception e) {
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54 | System.err.println("Huuuhhh, this class implements cloneable !!!!!!");
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55 | System.err.println("I think there is a bug in this JVM somewhere");
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56 | }
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57 | return null;
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58 | }
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59 |
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60 | public char current()
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61 | {
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62 | return array[getIndex()];
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63 | }
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64 |
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65 | public char first()
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66 | {
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67 | offset = getBeginIndex();
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68 | return array[offset];
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69 | }
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70 |
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71 | public int getBeginIndex()
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72 | {
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73 | return offset;
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74 | }
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75 |
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76 | public int getEndIndex()
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77 | {
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78 | return offset + count;
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79 | }
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80 | public int getIndex()
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81 | {
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82 | return offset;
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83 | }
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84 | public char last()
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85 | {
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86 | offset = getEndIndex() - 1;
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87 | return array[offset];
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88 | }
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89 | public char next()
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90 | {
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91 | offset++;
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92 | return array[offset];
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93 | }
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94 | public char previous()
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95 | {
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96 | offset--;
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97 | return array[offset];
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98 | }
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99 | public char setIndex(int position)
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100 | {
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101 | offset = position;
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102 | return array[offset];
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103 | }
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104 |
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105 | public String toString()
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106 | {
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107 | return new String(array, offset, count);
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108 | }
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109 | }
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110 |
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