Mercurial > 510Connectbot
annotate src/org/tn5250j/framework/tn5250/KeyStrokenizer.java @ 77:0da8878ec057 tn5250
convert 5250 to vt320 attributes
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Sun, 15 Jun 2014 10:58:26 -0700 |
| parents | 1e931ef5f776 |
| children | 77ac18bc1b2f |
| rev | line source |
|---|---|
| 3 | 1 /* |
| 2 * @(#)KeyStrokenizer.java | |
| 3 * Copyright: Copyright (c) 2001 | |
| 4 * | |
| 5 * This program is free software; you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation; either version 2, or (at your option) | |
| 8 * any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this software; see the file COPYING. If not, write to | |
| 17 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
| 18 * Boston, MA 02111-1307 USA | |
| 19 * | |
| 20 */ | |
| 21 | |
| 22 package org.tn5250j.framework.tn5250; | |
| 23 | |
|
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24 import android.util.Log; |
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25 |
| 3 | 26 |
| 27 | |
| 28 public class KeyStrokenizer { | |
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29 private static final String TAG = "KeyStrokenizer"; |
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30 private StringBuffer keyStrokes; |
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31 private StringBuffer sb; |
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32 private int index; |
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33 private int length; |
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34 |
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35 |
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36 |
| 3 | 37 public KeyStrokenizer() { |
| 38 | |
| 39 sb = new StringBuffer(); | |
| 40 setKeyStrokes(null); | |
| 41 } | |
| 42 | |
| 43 public void setKeyStrokes (String strokes) { | |
| 44 | |
| 45 if (strokes != null) { | |
| 46 keyStrokes.setLength(0); | |
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47 Log.d(TAG,"set "+ keyStrokes); |
| 3 | 48 length = strokes.length(); |
| 49 } | |
| 50 else { | |
| 51 | |
| 52 keyStrokes = new StringBuffer(); | |
| 53 length = 0; | |
| 54 | |
| 55 } | |
| 56 keyStrokes.append(strokes); | |
| 57 index = 0; | |
| 58 | |
| 59 } | |
| 60 | |
| 61 public boolean hasMoreKeyStrokes() { | |
| 62 return length > index; | |
| 63 } | |
| 64 | |
| 65 public String nextKeyStroke() { | |
| 66 | |
| 67 String s = ""; | |
| 68 boolean gotOne = false; | |
| 69 if(length > index) { | |
| 70 sb.setLength(0); | |
| 71 | |
| 72 char c = keyStrokes.charAt(index); | |
| 73 switch(c) { | |
| 74 case '[': | |
| 75 sb.append(c); | |
| 76 index++; | |
| 77 | |
| 78 // we need to throw an error here | |
| 79 if(index >= length) { | |
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80 Log.w(TAG," mnemonic key was incomplete :1 " + |
| 3 | 81 "at position " + index + " len " + length ); |
| 82 } | |
| 83 else { | |
| 84 c = keyStrokes.charAt(index); | |
| 85 | |
| 86 if(c == '[') | |
| 87 index++; | |
| 88 else { | |
| 89 while(!gotOne) { | |
| 90 | |
| 91 if(c == ']') { // did we find an ending | |
| 92 sb.append(c); | |
| 93 index++; | |
| 94 gotOne = true; | |
| 95 } | |
| 96 else { | |
| 97 sb.append(c); | |
| 98 index++; | |
| 99 // we need to throw an error here because we did not | |
| 100 // find an ending for the potential mnemonic | |
| 101 if(index >= length) { | |
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102 Log.w(TAG, |
| 3 | 103 " mnemonic key was incomplete ending not found :2 " + |
| 104 "at position " + index); | |
| 105 } | |
| 106 c = keyStrokes.charAt(index); | |
| 107 } | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 break; | |
| 112 | |
| 113 case ']': | |
| 114 index++; | |
| 115 if(index >= length) { | |
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116 Log.w(TAG, |
| 3 | 117 " mnemonic key was incomplete ending not found :3 " + |
| 118 "at position " + index); | |
| 119 sb.append(c); | |
| 120 index++; | |
| 121 | |
| 122 } | |
| 123 else { | |
| 124 c = keyStrokes.charAt(index); | |
| 125 if(c == ']') { | |
| 126 sb.append(c); | |
| 127 index++; | |
| 128 } | |
| 129 else { | |
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130 Log.w(TAG, |
| 3 | 131 " mnemonic key was incomplete beginning not found :4 " + |
| 132 "at position " + index); | |
| 133 } | |
| 134 } | |
| 135 break; | |
| 136 default: | |
| 137 sb.append(c); | |
| 138 index++; | |
| 139 break; | |
| 140 } | |
| 141 if(sb != null) { | |
| 142 s = new String(sb); | |
| 143 } | |
| 144 | |
| 145 } | |
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146 Log.d(TAG,"next "+ keyStrokes); |
| 3 | 147 |
| 148 return s; | |
| 149 } | |
| 150 | |
| 151 public String getUnprocessedKeyStroked() { | |
| 152 if(index >= length) { | |
| 153 return null; | |
| 154 } | |
| 155 return keyStrokes.substring(index); | |
| 156 } | |
| 157 | |
| 158 } |