| 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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