1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bluetooth.util; 18 19 import android.util.Log; 20 import android.util.SparseIntArray; 21 22 /** 23 * This class implements the character set mapping between the GSM SMS 7-bit alphabet specified in 24 * TS 23.038 6.2.1 and UTF-16 25 */ 26 public class GsmAlphabet { 27 private static final String TAG = GsmAlphabet.class.getSimpleName(); 28 29 /** 30 * This escapes extended characters, and when present indicates that the following character 31 * should be looked up in the "extended" table. 32 * 33 * <p>gsmToChar(GSM_EXTENDED_ESCAPE) returns 0xffff 34 */ 35 public static final byte GSM_EXTENDED_ESCAPE = 0x1B; 36 37 /** 38 * User data header requires one octet for length. Count as one septet, because all combinations 39 * of header elements below will have at least one free bit when padding to the nearest septet 40 * boundary. 41 */ 42 public static final int UDH_SEPTET_COST_LENGTH = 1; 43 44 /** 45 * Using a non-default language locking shift table OR single shift table requires a user data 46 * header of 3 octets, or 4 septets, plus UDH length. 47 */ 48 public static final int UDH_SEPTET_COST_ONE_SHIFT_TABLE = 4; 49 50 /** 51 * Using a non-default language locking shift table AND single shift table requires a user data 52 * header of 6 octets, or 7 septets, plus UDH length. 53 */ 54 public static final int UDH_SEPTET_COST_TWO_SHIFT_TABLES = 7; 55 56 /** 57 * Multi-part messages require a user data header of 5 octets, or 6 septets, plus UDH length. 58 */ 59 public static final int UDH_SEPTET_COST_CONCATENATED_MESSAGE = 6; 60 61 /** 62 * For a specific text string, this object describes protocol properties of encoding it for 63 * transmission as message user data. 64 */ 65 public static class TextEncodingDetails { 66 TextEncodingDetails()67 public TextEncodingDetails() {} 68 69 /** The number of SMS's required to encode the text. */ 70 public int msgCount; 71 72 /** 73 * The number of code units consumed so far, where code units are basically characters in 74 * the encoding -- for example, septets for the standard ASCII and GSM encodings, and 16 75 * bits for Unicode. 76 */ 77 public int codeUnitCount; 78 79 /** How many code units are still available without spilling into an additional message. */ 80 public int codeUnitsRemaining; 81 82 /** 83 * The encoding code unit size (specified using android.telephony.SmsMessage ENCODING_*). 84 */ 85 public int codeUnitSize; 86 87 /** The GSM national language table to use, or 0 for the default 7-bit alphabet. */ 88 public int languageTable; 89 90 /** 91 * The GSM national language shift table to use, or 0 for the default 7-bit extension table. 92 */ 93 public int languageShiftTable; 94 95 @Override toString()96 public String toString() { 97 return "TextEncodingDetails " 98 + "{ msgCount=" 99 + msgCount 100 + ", codeUnitCount=" 101 + codeUnitCount 102 + ", codeUnitsRemaining=" 103 + codeUnitsRemaining 104 + ", codeUnitSize=" 105 + codeUnitSize 106 + ", languageTable=" 107 + languageTable 108 + ", languageShiftTable=" 109 + languageShiftTable 110 + " }"; 111 } 112 } 113 114 /** 115 * Convert a GSM alphabet 7 bit packed string (SMS string) into a {@link java.lang.String}. 116 * 117 * <p>See TS 23.038 6.1.2.1 for SMS Character Packing 118 * 119 * @param pdu the raw data from the pdu 120 * @param offset the byte offset of 121 * @param lengthSeptets string length in septets, not bytes 122 * @param numPaddingBits the number of padding bits before the start of the string in the first 123 * byte 124 * @param languageTable the 7 bit language table, or 0 for the default GSM alphabet 125 * @param shiftTable the 7 bit single shift language table, or 0 for the default GSM extension 126 * table 127 * @return String representation or null on decoding exception 128 */ gsm7BitPackedToString( byte[] pdu, int offset, int lengthSeptets, int numPaddingBits, int languageTable, int shiftTable)129 public static String gsm7BitPackedToString( 130 byte[] pdu, 131 int offset, 132 int lengthSeptets, 133 int numPaddingBits, 134 int languageTable, 135 int shiftTable) { 136 StringBuilder ret = new StringBuilder(lengthSeptets); 137 138 if (languageTable < 0 || languageTable > sLanguageTables.length) { 139 Log.w(TAG, "unknown language table " + languageTable + ", using default"); 140 languageTable = 0; 141 } 142 if (shiftTable < 0 || shiftTable > sLanguageShiftTables.length) { 143 Log.w(TAG, "unknown single shift table " + shiftTable + ", using default"); 144 shiftTable = 0; 145 } 146 147 try { 148 boolean prevCharWasEscape = false; 149 String languageTableToChar = sLanguageTables[languageTable]; 150 String shiftTableToChar = sLanguageShiftTables[shiftTable]; 151 152 if (languageTableToChar.isEmpty()) { 153 Log.w(TAG, "no language table for code " + languageTable + ", using default"); 154 languageTableToChar = sLanguageTables[0]; 155 } 156 if (shiftTableToChar.isEmpty()) { 157 Log.w(TAG, "no single shift table for code " + shiftTable + ", using default"); 158 shiftTableToChar = sLanguageShiftTables[0]; 159 } 160 161 for (int i = 0; i < lengthSeptets; i++) { 162 int bitOffset = (7 * i) + numPaddingBits; 163 164 int byteOffset = bitOffset / 8; 165 int shift = bitOffset % 8; 166 int gsmVal; 167 168 gsmVal = (0x7f & (pdu[offset + byteOffset] >> shift)); 169 170 // if it crosses a byte boundary 171 if (shift > 1) { 172 // set msb bits to 0 173 gsmVal &= 0x7f >> (shift - 1); 174 175 gsmVal |= 0x7f & (pdu[offset + byteOffset + 1] << (8 - shift)); 176 } 177 178 if (prevCharWasEscape) { 179 if (gsmVal == GSM_EXTENDED_ESCAPE) { 180 ret.append(' '); // display ' ' for reserved double escape sequence 181 } else { 182 char c = shiftTableToChar.charAt(gsmVal); 183 if (c == ' ') { 184 ret.append(languageTableToChar.charAt(gsmVal)); 185 } else { 186 ret.append(c); 187 } 188 } 189 prevCharWasEscape = false; 190 } else if (gsmVal == GSM_EXTENDED_ESCAPE) { 191 prevCharWasEscape = true; 192 } else { 193 ret.append(languageTableToChar.charAt(gsmVal)); 194 } 195 } 196 } catch (RuntimeException ex) { 197 Log.e(TAG, "Error GSM 7 bit packed: " + '\n' + Log.getStackTraceString(ex)); 198 return null; 199 } 200 201 return ret.toString(); 202 } 203 204 /** 205 * Convert a string into an 8-bit unpacked GSM alphabet byte array. Always uses GSM default 206 * 7-bit alphabet and extension table. 207 * 208 * @param s the string to encode 209 * @return the 8-bit GSM encoded byte array for the string 210 */ stringToGsm8BitPacked(String s)211 public static byte[] stringToGsm8BitPacked(String s) { 212 byte[] ret; 213 214 int septets = countGsmSeptetsUsingTables(s, true, 0, 0); 215 216 // Enough for all the septets and the length byte prefix 217 ret = new byte[septets]; 218 219 stringToGsm8BitUnpackedField(s, ret, 0, ret.length); 220 221 return ret; 222 } 223 224 /** 225 * Write a String into a GSM 8-bit unpacked field of Field is padded with 0xff's, string is 226 * truncated if necessary 227 * 228 * @param s the string to encode 229 * @param dest the destination byte array 230 * @param offset the starting offset for the encoded string 231 * @param length the maximum number of bytes to write 232 */ stringToGsm8BitUnpackedField(String s, byte[] dest, int offset, int length)233 public static void stringToGsm8BitUnpackedField(String s, byte[] dest, int offset, int length) { 234 int outByteIndex = offset; 235 SparseIntArray charToLanguageTable = sCharsToGsmTables[0]; 236 SparseIntArray charToShiftTable = sCharsToShiftTables[0]; 237 238 // Septets are stored in byte-aligned octets 239 for (int i = 0, sz = s.length(); i < sz && (outByteIndex - offset) < length; i++) { 240 char c = s.charAt(i); 241 int v = charToLanguageTable.get(c, -1); 242 if (v == -1) { 243 v = charToShiftTable.get(c, -1); 244 if (v == -1) { 245 v = charToLanguageTable.get(' ', ' '); // fall back to ASCII space 246 } else { 247 // make sure we can fit an escaped char 248 if (!(outByteIndex + 1 - offset < length)) { 249 break; 250 } 251 252 dest[outByteIndex++] = GSM_EXTENDED_ESCAPE; 253 } 254 } 255 256 dest[outByteIndex++] = (byte) v; 257 } 258 259 // pad with 0xff's 260 while ((outByteIndex - offset) < length) { 261 dest[outByteIndex++] = (byte) 0xff; 262 } 263 } 264 265 /** 266 * Returns the count of 7-bit GSM alphabet characters needed to represent this string, using the 267 * specified 7-bit language table and extension table (0 for GSM default tables). 268 * 269 * @param s the Unicode string that will be encoded 270 * @param use7bitOnly allow using space in place of unencodable character if true, otherwise, 271 * return -1 if any characters are unencodable 272 * @param languageTable the 7 bit language table, or 0 for the default GSM alphabet 273 * @param languageShiftTable the 7 bit single shift language table, or 0 for the default GSM 274 * extension table 275 * @return the septet count for s using the specified language tables, or -1 if any characters 276 * are unencodable and use7bitOnly is false 277 */ countGsmSeptetsUsingTables( CharSequence s, boolean use7bitOnly, int languageTable, int languageShiftTable)278 public static int countGsmSeptetsUsingTables( 279 CharSequence s, boolean use7bitOnly, int languageTable, int languageShiftTable) { 280 int count = 0; 281 int sz = s.length(); 282 SparseIntArray charToLanguageTable = sCharsToGsmTables[languageTable]; 283 SparseIntArray charToShiftTable = sCharsToShiftTables[languageShiftTable]; 284 for (int i = 0; i < sz; i++) { 285 char c = s.charAt(i); 286 if (c == GSM_EXTENDED_ESCAPE) { 287 Log.w(TAG, "countGsmSeptets() string contains Escape character, skipping."); 288 continue; 289 } 290 if (charToLanguageTable.get(c, -1) != -1) { 291 count++; 292 } else if (charToShiftTable.get(c, -1) != -1) { 293 count += 2; // escape + shift table index 294 } else if (use7bitOnly) { 295 count++; // encode as space 296 } else { 297 return -1; // caller must check for this case 298 } 299 } 300 return count; 301 } 302 303 /** Reverse mapping from Unicode characters to indexes into language tables. */ 304 private static final SparseIntArray[] sCharsToGsmTables; 305 306 /** Reverse mapping from Unicode characters to indexes into language shift tables. */ 307 private static final SparseIntArray[] sCharsToShiftTables; 308 309 /** 310 * GSM default 7 bit alphabet plus national language locking shift character tables. Comment 311 * lines above strings indicate the lower four bits of the table position. 312 */ 313 private static final String[] sLanguageTables = { 314 /* 3GPP TS 23.038 V9.1.1 section 6.2.1 - GSM 7 bit Default Alphabet 315 01.....23.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.E.....F.....0.....1 */ 316 "@\u00a3$\u00a5\u00e8\u00e9\u00f9\u00ec\u00f2\u00c7\n\u00d8\u00f8\r\u00c5\u00e5\u0394_" 317 // 2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E..... 318 + "\u03a6\u0393\u039b\u03a9\u03a0\u03a8\u03a3\u0398\u039e\uffff\u00c6\u00e6\u00df" 319 // F.....012.34.....56789ABCDEF0123456789ABCDEF0.....123456789ABCDEF0123456789A 320 + "\u00c9 !\"#\u00a4%&'()*+,-./0123456789:;<=>?\u00a1ABCDEFGHIJKLMNOPQRSTUVWXYZ" 321 // B.....C.....D.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D..... 322 + "\u00c4\u00d6\u00d1\u00dc\u00a7\u00bfabcdefghijklmnopqrstuvwxyz\u00e4\u00f6\u00f1" 323 // E.....F..... 324 + "\u00fc\u00e0", 325 326 /* A.3.1 Turkish National Language Locking Shift Table 327 01.....23.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.E.....F.....0.....1 */ 328 "@\u00a3$\u00a5\u20ac\u00e9\u00f9\u0131\u00f2\u00c7\n\u011e\u011f\r\u00c5\u00e5\u0394_" 329 // 2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E..... 330 + "\u03a6\u0393\u039b\u03a9\u03a0\u03a8\u03a3\u0398\u039e\uffff\u015e\u015f\u00df" 331 // F.....012.34.....56789ABCDEF0123456789ABCDEF0.....123456789ABCDEF0123456789A 332 + "\u00c9 !\"#\u00a4%&'()*+,-./0123456789:;<=>?\u0130ABCDEFGHIJKLMNOPQRSTUVWXYZ" 333 // B.....C.....D.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D..... 334 + "\u00c4\u00d6\u00d1\u00dc\u00a7\u00e7abcdefghijklmnopqrstuvwxyz\u00e4\u00f6\u00f1" 335 // E.....F..... 336 + "\u00fc\u00e0", 337 338 /* A.3.2 Void (no locking shift table for Spanish) */ 339 "", 340 341 /* A.3.3 Portuguese National Language Locking Shift Table 342 01.....23.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.E.....F.....0.....1 */ 343 "@\u00a3$\u00a5\u00ea\u00e9\u00fa\u00ed\u00f3\u00e7\n\u00d4\u00f4\r\u00c1\u00e1\u0394_" 344 // 2.....3.....4.....5.....67.8.....9.....AB.....C.....D.....E.....F.....012.34..... 345 + "\u00aa\u00c7\u00c0\u221e^\\\u20ac\u00d3|\uffff\u00c2\u00e2\u00ca\u00c9" 346 + " !\"#\u00ba" 347 // 56789ABCDEF0123456789ABCDEF0.....123456789ABCDEF0123456789AB.....C.....D.....E..... 348 + "%&'()*+,-./0123456789:;<=>?\u00cdABCDEFGHIJKLMNOPQRSTUVWXYZ\u00c3\u00d5\u00da\u00dc" 349 // F.....0123456789ABCDEF0123456789AB.....C.....DE.....F..... 350 + "\u00a7~abcdefghijklmnopqrstuvwxyz\u00e3\u00f5`\u00fc\u00e0", 351 352 /* A.3.4 Bengali National Language Locking Shift Table 353 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....CD.EF.....0..... */ 354 "\u0981\u0982\u0983\u0985\u0986\u0987\u0988\u0989\u098a\u098b\n\u098c \r \u098f\u0990" 355 // 123.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E.....F..... 356 + " \u0993\u0994\u0995\u0996\u0997\u0998\u0999\u099a\uffff\u099b\u099c\u099d\u099e" 357 // 012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789ABC 358 + " !\u099f\u09a0\u09a1\u09a2\u09a3\u09a4)(\u09a5\u09a6,\u09a7.\u09a80123456789:; " 359 // D.....E.....F0.....1.....2.....3.....4.....56.....789A.....B.....C.....D..... 360 + "\u09aa\u09ab?\u09ac\u09ad\u09ae\u09af\u09b0 \u09b2 \u09b6\u09b7\u09b8\u09b9" 361 // E.....F.....0.....1.....2.....3.....4.....5.....6.....789.....A.....BCD.....E..... 362 + "\u09bc\u09bd\u09be\u09bf\u09c0\u09c1\u09c2\u09c3\u09c4 \u09c7\u09c8 " 363 + " \u09cb\u09cc" 364 // F.....0.....123456789ABCDEF0123456789AB.....C.....D.....E.....F..... 365 + "\u09cd\u09ceabcdefghijklmnopqrstuvwxyz\u09d7\u09dc\u09dd\u09f0\u09f1", 366 367 /* A.3.5 Gujarati National Language Locking Shift Table 368 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.EF.....0.....*/ 369 "\u0a81\u0a82\u0a83\u0a85\u0a86\u0a87\u0a88\u0a89\u0a8a\u0a8b\n\u0a8c\u0a8d\r \u0a8f\u0a90" 370 // 1.....23.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E..... 371 + "\u0a91 \u0a93\u0a94\u0a95\u0a96\u0a97\u0a98\u0a99\u0a9a\uffff\u0a9b\u0a9c\u0a9d" 372 // F.....012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789AB 373 + "\u0a9e" 374 + " !\u0a9f\u0aa0\u0aa1\u0aa2\u0aa3\u0aa4)(\u0aa5\u0aa6,\u0aa7.\u0aa80123456789:;" 375 // CD.....E.....F0.....1.....2.....3.....4.....56.....7.....89.....A.....B.....C..... 376 + " \u0aaa\u0aab?\u0aac\u0aad\u0aae\u0aaf\u0ab0 \u0ab2\u0ab3" 377 + " \u0ab5\u0ab6\u0ab7\u0ab8" 378 // D.....E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89.....A..... 379 + "\u0ab9\u0abc\u0abd\u0abe\u0abf\u0ac0\u0ac1\u0ac2\u0ac3\u0ac4\u0ac5 \u0ac7\u0ac8" 380 // B.....CD.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D.....E..... 381 + "\u0ac9" 382 + " \u0acb\u0acc\u0acd\u0ad0abcdefghijklmnopqrstuvwxyz\u0ae0\u0ae1\u0ae2\u0ae3" 383 // F..... 384 + "\u0af1", 385 386 /* A.3.6 Hindi National Language Locking Shift Table 387 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.E.....F.....*/ 388 "\u0901\u0902\u0903\u0905\u0906\u0907\u0908\u0909\u090a\u090b\n\u090c\u090d\r\u090e\u090f" 389 // 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D..... 390 + "\u0910\u0911\u0912\u0913\u0914\u0915\u0916\u0917\u0918\u0919\u091a\uffff\u091b\u091c" 391 // E.....F.....012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....012345 392 + "\u091d\u091e" 393 + " !\u091f\u0920\u0921\u0922\u0923\u0924)(\u0925\u0926,\u0927.\u0928012345" 394 // 6789ABC.....D.....E.....F0.....1.....2.....3.....4.....5.....6.....7.....8..... 395 + "6789:;\u0929\u092a\u092b?\u092c\u092d\u092e\u092f\u0930\u0931\u0932\u0933\u0934" 396 // 9.....A.....B.....C.....D.....E.....F.....0.....1.....2.....3.....4.....5.....6..... 397 + "\u0935\u0936\u0937\u0938\u0939\u093c\u093d\u093e\u093f\u0940\u0941\u0942\u0943\u0944" 398 // 7.....8.....9.....A.....B.....C.....D.....E.....F.....0.....123456789ABCDEF012345678 399 + "\u0945\u0946\u0947\u0948\u0949\u094a\u094b\u094c\u094d\u0950abcdefghijklmnopqrstuvwx" 400 // 9AB.....C.....D.....E.....F..... 401 + "yz\u0972\u097b\u097c\u097e\u097f", 402 403 /* A.3.7 Kannada National Language Locking Shift Table 404 NOTE: TS 23.038 V9.1.1 shows code 0x24 as \u0caa, corrected to \u0ca1 (typo) 405 01.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....CD.E.....F.....0.....1 */ 406 " \u0c82\u0c83\u0c85\u0c86\u0c87\u0c88\u0c89\u0c8a\u0c8b\n\u0c8c \r\u0c8e\u0c8f\u0c90 " 407 // 2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E.....F..... 408 + "\u0c92\u0c93\u0c94\u0c95\u0c96\u0c97\u0c98\u0c99\u0c9a\uffff\u0c9b\u0c9c\u0c9d\u0c9e" 409 // 012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789ABC 410 + " !\u0c9f\u0ca0\u0ca1\u0ca2\u0ca3\u0ca4)(\u0ca5\u0ca6,\u0ca7.\u0ca80123456789:; " 411 // D.....E.....F0.....1.....2.....3.....4.....5.....6.....7.....89.....A.....B..... 412 + "\u0caa\u0cab?\u0cac\u0cad\u0cae\u0caf\u0cb0\u0cb1\u0cb2\u0cb3 \u0cb5\u0cb6\u0cb7" 413 // C.....D.....E.....F.....0.....1.....2.....3.....4.....5.....6.....78.....9..... 414 + "\u0cb8\u0cb9\u0cbc\u0cbd\u0cbe\u0cbf\u0cc0\u0cc1\u0cc2\u0cc3\u0cc4 \u0cc6\u0cc7" 415 // A.....BC.....D.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D..... 416 + "\u0cc8" 417 + " \u0cca\u0ccb\u0ccc\u0ccd\u0cd5abcdefghijklmnopqrstuvwxyz\u0cd6\u0ce0\u0ce1" 418 // E.....F..... 419 + "\u0ce2\u0ce3", 420 421 /* A.3.8 Malayalam National Language Locking Shift Table 422 01.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....CD.E.....F.....0.....1 */ 423 " \u0d02\u0d03\u0d05\u0d06\u0d07\u0d08\u0d09\u0d0a\u0d0b\n\u0d0c \r\u0d0e\u0d0f\u0d10 " 424 // 2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E.....F..... 425 + "\u0d12\u0d13\u0d14\u0d15\u0d16\u0d17\u0d18\u0d19\u0d1a\uffff\u0d1b\u0d1c\u0d1d\u0d1e" 426 // 012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789ABC 427 + " !\u0d1f\u0d20\u0d21\u0d22\u0d23\u0d24)(\u0d25\u0d26,\u0d27.\u0d280123456789:; " 428 // D.....E.....F0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A..... 429 + "\u0d2a\u0d2b?\u0d2c\u0d2d\u0d2e\u0d2f\u0d30\u0d31\u0d32\u0d33\u0d34\u0d35\u0d36" 430 // B.....C.....D.....EF.....0.....1.....2.....3.....4.....5.....6.....78.....9..... 431 + "\u0d37\u0d38\u0d39 \u0d3d\u0d3e\u0d3f\u0d40\u0d41\u0d42\u0d43\u0d44 \u0d46\u0d47" 432 // A.....BC.....D.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D..... 433 + "\u0d48" 434 + " \u0d4a\u0d4b\u0d4c\u0d4d\u0d57abcdefghijklmnopqrstuvwxyz\u0d60\u0d61\u0d62" 435 // E.....F..... 436 + "\u0d63\u0d79", 437 438 /* A.3.9 Oriya National Language Locking Shift Table 439 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....CD.EF.....0.....12 */ 440 "\u0b01\u0b02\u0b03\u0b05\u0b06\u0b07\u0b08\u0b09\u0b0a\u0b0b\n\u0b0c \r \u0b0f\u0b10 " 441 // 3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E.....F.....01 442 + "\u0b13\u0b14\u0b15\u0b16\u0b17\u0b18\u0b19\u0b1a\uffff\u0b1b\u0b1c\u0b1d\u0b1e !" 443 // 2.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789ABCD..... 444 + "\u0b1f\u0b20\u0b21\u0b22\u0b23\u0b24)(\u0b25\u0b26,\u0b27.\u0b280123456789:;" 445 + " \u0b2a" 446 // E.....F0.....1.....2.....3.....4.....56.....7.....89.....A.....B.....C.....D..... 447 + "\u0b2b?\u0b2c\u0b2d\u0b2e\u0b2f\u0b30 \u0b32\u0b33" 448 + " \u0b35\u0b36\u0b37\u0b38\u0b39" 449 // E.....F.....0.....1.....2.....3.....4.....5.....6.....789.....A.....BCD.....E..... 450 + "\u0b3c\u0b3d\u0b3e\u0b3f\u0b40\u0b41\u0b42\u0b43\u0b44 \u0b47\u0b48 " 451 + " \u0b4b\u0b4c" 452 // F.....0.....123456789ABCDEF0123456789AB.....C.....D.....E.....F..... 453 + "\u0b4d\u0b56abcdefghijklmnopqrstuvwxyz\u0b57\u0b60\u0b61\u0b62\u0b63", 454 455 /* A.3.10 Punjabi National Language Locking Shift Table 456 0.....1.....2.....3.....4.....5.....6.....7.....8.....9A.BCD.EF.....0.....123.....4.....*/ 457 "\u0a01\u0a02\u0a03\u0a05\u0a06\u0a07\u0a08\u0a09\u0a0a \n \r \u0a0f\u0a10 \u0a13\u0a14" 458 // 5.....6.....7.....8.....9.....A.....B.....C.....D.....E.....F.....012.....3..... 459 + "\u0a15\u0a16\u0a17\u0a18\u0a19\u0a1a\uffff\u0a1b\u0a1c\u0a1d\u0a1e !\u0a1f\u0a20" 460 // 4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789ABCD.....E.....F0..... 461 + "\u0a21\u0a22\u0a23\u0a24)(\u0a25\u0a26,\u0a27.\u0a280123456789:;" 462 + " \u0a2a\u0a2b?\u0a2c" 463 // 1.....2.....3.....4.....56.....7.....89.....A.....BC.....D.....E.....F0.....1..... 464 + "\u0a2d\u0a2e\u0a2f\u0a30 \u0a32\u0a33 \u0a35\u0a36 \u0a38\u0a39\u0a3c" 465 + " \u0a3e\u0a3f" 466 // 2.....3.....4.....56789.....A.....BCD.....E.....F.....0.....123456789ABCDEF012345678 467 + "\u0a40\u0a41\u0a42 \u0a47\u0a48 " 468 + " \u0a4b\u0a4c\u0a4d\u0a51abcdefghijklmnopqrstuvwx" 469 // 9AB.....C.....D.....E.....F..... 470 + "yz\u0a70\u0a71\u0a72\u0a73\u0a74", 471 472 /* A.3.11 Tamil National Language Locking Shift Table 473 01.....2.....3.....4.....5.....6.....7.....8.....9A.BCD.E.....F.....0.....12.....3..... */ 474 " \u0b82\u0b83\u0b85\u0b86\u0b87\u0b88\u0b89\u0b8a \n \r\u0b8e\u0b8f\u0b90 \u0b92\u0b93" 475 // 4.....5.....6789.....A.....B.....CD.....EF.....012.....3456.....7.....89ABCDEF..... 476 + "\u0b94\u0b95 \u0b99\u0b9a\uffff \u0b9c \u0b9e !\u0b9f \u0ba3\u0ba4)( ," 477 + " .\u0ba8" 478 // 0123456789ABC.....D.....EF012.....3.....4.....5.....6.....7.....8.....9.....A..... 479 + "0123456789:;\u0ba9\u0baa ? " 480 + " \u0bae\u0baf\u0bb0\u0bb1\u0bb2\u0bb3\u0bb4\u0bb5\u0bb6" 481 // B.....C.....D.....EF0.....1.....2.....3.....4.....5678.....9.....A.....BC.....D..... 482 + "\u0bb7\u0bb8\u0bb9 \u0bbe\u0bbf\u0bc0\u0bc1\u0bc2 \u0bc6\u0bc7\u0bc8" 483 + " \u0bca\u0bcb" 484 // E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D.....E.....F..... 485 + "\u0bcc\u0bcd\u0bd0abcdefghijklmnopqrstuvwxyz\u0bd7\u0bf0\u0bf1\u0bf2\u0bf9", 486 487 /* A.3.12 Telugu National Language Locking Shift Table 488 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....CD.E.....F.....0.....*/ 489 "\u0c01\u0c02\u0c03\u0c05\u0c06\u0c07\u0c08\u0c09\u0c0a\u0c0b\n\u0c0c \r\u0c0e\u0c0f\u0c10" 490 // 12.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D.....E..... 491 + " \u0c12\u0c13\u0c14\u0c15\u0c16\u0c17\u0c18\u0c19\u0c1a\uffff\u0c1b\u0c1c\u0c1d" 492 // F.....012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....0123456789AB 493 + "\u0c1e" 494 + " !\u0c1f\u0c20\u0c21\u0c22\u0c23\u0c24)(\u0c25\u0c26,\u0c27.\u0c280123456789:;" 495 // CD.....E.....F0.....1.....2.....3.....4.....5.....6.....7.....89.....A.....B..... 496 + " \u0c2a\u0c2b?\u0c2c\u0c2d\u0c2e\u0c2f\u0c30\u0c31\u0c32\u0c33" 497 + " \u0c35\u0c36\u0c37" 498 // C.....D.....EF.....0.....1.....2.....3.....4.....5.....6.....78.....9.....A.....B 499 + "\u0c38\u0c39 \u0c3d\u0c3e\u0c3f\u0c40\u0c41\u0c42\u0c43\u0c44 \u0c46\u0c47\u0c48" 500 + " " 501 // C.....D.....E.....F.....0.....123456789ABCDEF0123456789AB.....C.....D.....E..... 502 + "\u0c4a\u0c4b\u0c4c\u0c4d\u0c55abcdefghijklmnopqrstuvwxyz\u0c56\u0c60\u0c61\u0c62" 503 // F..... 504 + "\u0c63", 505 506 /* A.3.13 Urdu National Language Locking Shift Table 507 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.B.....C.....D.E.....F.....*/ 508 "\u0627\u0622\u0628\u067b\u0680\u067e\u06a6\u062a\u06c2\u067f\n\u0679\u067d\r\u067a\u067c" 509 // 0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A.....B.....C.....D..... 510 + "\u062b\u062c\u0681\u0684\u0683\u0685\u0686\u0687\u062d\u062e\u062f\uffff\u068c\u0688" 511 // E.....F.....012.....3.....4.....5.....6.....7.....89A.....B.....CD.....EF.....012345 512 + "\u0689\u068a" 513 + " !\u068f\u068d\u0630\u0631\u0691\u0693)(\u0699\u0632,\u0696.\u0698012345" 514 // 6789ABC.....D.....E.....F0.....1.....2.....3.....4.....5.....6.....7.....8..... 515 + "6789:;\u069a\u0633\u0634?\u0635\u0636\u0637\u0638\u0639\u0641\u0642\u06a9\u06aa" 516 // 9.....A.....B.....C.....D.....E.....F.....0.....1.....2.....3.....4.....5.....6..... 517 + "\u06ab\u06af\u06b3\u06b1\u0644\u0645\u0646\u06ba\u06bb\u06bc\u0648\u06c4\u06d5\u06c1" 518 // 7.....8.....9.....A.....B.....C.....D.....E.....F.....0.....123456789ABCDEF012345678 519 + "\u06be\u0621\u06cc\u06d0\u06d2\u064d\u0650\u064f\u0657\u0654abcdefghijklmnopqrstuvwx" 520 // 9AB.....C.....D.....E.....F..... 521 + "yz\u0655\u0651\u0653\u0656\u0670" 522 }; 523 524 /** GSM default extension table plus national language single shift character tables. */ 525 private static final String[] sLanguageShiftTables = 526 new String[] { 527 /* 6.2.1.1 GSM 7 bit Default Alphabet Extension Table 528 0123456789A.....BCDEF0123456789ABCDEF0123456789ABCDEF.0123456789ABCDEF0123456789ABCDEF */ 529 " \u000c ^ {} \\ [~] | " 530 + " " 531 // 0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 532 + " \u20ac ", 533 534 /* A.2.1 Turkish National Language Single Shift Table 535 0123456789A.....BCDEF0123456789ABCDEF0123456789ABCDEF.0123456789ABCDEF01234567.....8 */ 536 " \u000c ^ {} \\ [~] | " 537 + " \u011e " 538 // 9.....ABCDEF0123.....456789ABCDEF0123.....45.....67.....89.....ABCDEF0123..... 539 + "\u0130 \u015e \u00e7 \u20ac \u011f \u0131 " 540 + " \u015f" 541 // 456789ABCDEF 542 + " ", 543 544 /* A.2.2 Spanish National Language Single Shift Table 545 0123456789.....A.....BCDEF0123456789ABCDEF0123456789ABCDEF.0123456789ABCDEF01.....23 */ 546 " \u00e7\u000c ^ {} \\ [~] |\u00c1" 547 + " " 548 // 456789.....ABCDEF.....012345.....6789ABCDEF01.....2345.....6789.....ABCDEF.....012 549 + " \u00cd \u00d3 \u00da \u00e1 \u20ac \u00ed " 550 + " \u00f3 " 551 // 345.....6789ABCDEF 552 + " \u00fa ", 553 554 /* A.2.3 Portuguese National Language Single Shift Table 555 012345.....6789.....A.....B.....C.....DE.....F.....012.....3.....45.....6.....7.....8....*/ 556 " \u00ea \u00e7\u000c\u00d4\u00f4 \u00c1\u00e1 " 557 + " \u03a6\u0393^\u03a9\u03a0\u03a8\u03a3" 558 // 9.....ABCDEF.....0123456789ABCDEF.0123456789ABCDEF01.....23456789.....ABCDE 559 + "\u0398 \u00ca {} \\ [~] |\u00c0 \u00cd " 560 + " " 561 // F.....012345.....6789AB.....C.....DEF01.....2345.....6789.....ABCDEF.....01234 562 + "\u00d3 \u00da \u00c3\u00d5 \u00c2 \u20ac \u00ed " 563 + " \u00f3 " 564 // 5.....6789AB.....C.....DEF..... 565 + "\u00fa \u00e3\u00f5 \u00e2", 566 567 /* A.2.4 Bengali National Language Single Shift Table 568 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 569 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u09e6\u09e7" 570 + " \u09e8\u09e9" 571 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 572 + "\u09ea\u09eb\u09ec\u09ed\u09ee\u09ef\u09df\u09e0\u09e1\u09e2{}\u09e3\u09f2\u09f3" 573 // D.....E.....F.0.....1.....2.....3.....4.....56789ABCDEF0123456789ABCDEF 574 + "\u09f4\u09f5\\\u09f6\u09f7\u09f8\u09f9\u09fa [~] |ABCDEFGHIJKLMNO" 575 // 0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 576 + "PQRSTUVWXYZ \u20ac ", 577 578 /* A.2.5 Gujarati National Language Single Shift Table 579 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 580 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 581 + " \u0ae6\u0ae7" 582 // E.....F.....0.....1.....2.....3.....4.....5.....6789ABCDEF.0123456789ABCDEF 583 + "\u0ae8\u0ae9\u0aea\u0aeb\u0aec\u0aed\u0aee\u0aef {} \\ " 584 + " [~] " 585 // 0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 586 + "|ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac ", 587 588 /* A.2.6 Hindi National Language Single Shift Table 589 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 590 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 591 + " \u0966\u0967" 592 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 593 + "\u0968\u0969\u096a\u096b\u096c\u096d\u096e\u096f\u0951\u0952{}\u0953\u0954\u0958" 594 // D.....E.....F.0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A..... 595 + "\u0959\u095a\\\u095b\u095c\u095d\u095e\u095f\u0960\u0961\u0962\u0963\u0970\u0971" 596 // BCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 597 + " [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac " 598 + " ", 599 600 /* A.2.7 Kannada National Language Single Shift Table 601 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 602 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 603 + " \u0ce6\u0ce7" 604 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....BCDEF.01234567 605 + "\u0ce8\u0ce9\u0cea\u0ceb\u0cec\u0ced\u0cee\u0cef\u0cde\u0cf1{}\u0cf2 " 606 + " \\ " 607 // 89ABCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 608 + " [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac " 609 + " ", 610 611 /* A.2.8 Malayalam National Language Single Shift Table 612 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 613 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 614 + " \u0d66\u0d67" 615 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 616 + "\u0d68\u0d69\u0d6a\u0d6b\u0d6c\u0d6d\u0d6e\u0d6f\u0d70\u0d71{}\u0d72\u0d73\u0d74" 617 // D.....E.....F.0.....1.....2.....3.....4.....56789ABCDEF0123456789ABCDEF0123456789A 618 + "\u0d75\u0d7a\\\u0d7b\u0d7c\u0d7d\u0d7e\u0d7f [~]" 619 + " |ABCDEFGHIJKLMNOPQRSTUVWXYZ" 620 // BCDEF012345.....6789ABCDEF0123456789ABCDEF 621 + " \u20ac ", 622 623 /* A.2.9 Oriya National Language Single Shift Table 624 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 625 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 626 + " \u0b66\u0b67" 627 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C.....DE 628 + "\u0b68\u0b69\u0b6a\u0b6b\u0b6c\u0b6d\u0b6e\u0b6f\u0b5c\u0b5d{}\u0b5f\u0b70\u0b71" 629 + " " 630 // F.0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF0123456789A 631 + "\\ [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac " 632 + " " 633 // BCDEF 634 + " ", 635 636 /* A.2.10 Punjabi National Language Single Shift Table 637 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 638 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 639 + " \u0a66\u0a67" 640 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 641 + "\u0a68\u0a69\u0a6a\u0a6b\u0a6c\u0a6d\u0a6e\u0a6f\u0a59\u0a5a{}\u0a5b\u0a5c\u0a5e" 642 // D.....EF.0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF01 643 + "\u0a75 \\ [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac " 644 + " " 645 // 23456789ABCDEF 646 + " ", 647 648 /* A.2.11 Tamil National Language Single Shift Table 649 NOTE: TS 23.038 V9.1.1 shows code 0x24 as \u0bef, corrected to \u0bee (typo) 650 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 651 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0964\u0965" 652 + " \u0be6\u0be7" 653 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 654 + "\u0be8\u0be9\u0bea\u0beb\u0bec\u0bed\u0bee\u0bef\u0bf3\u0bf4{}\u0bf5\u0bf6\u0bf7" 655 // D.....E.....F.0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABC 656 + "\u0bf8\u0bfa\\ [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ " 657 + " \u20ac " 658 // DEF0123456789ABCDEF 659 + " ", 660 661 /* A.2.12 Telugu National Language Single Shift Table 662 NOTE: TS 23.038 V9.1.1 shows code 0x22-0x23 as \u06cc\u06cd, corrected to \u0c6c\u0c6d 663 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789ABC.....D.....E.....F..... */ 664 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#* " 665 + " \u0c66\u0c67\u0c68\u0c69" 666 // 0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C.....D.....E.....F. 667 + "\u0c6a\u0c6b\u0c6c\u0c6d\u0c6e\u0c6f\u0c58\u0c59{}\u0c78\u0c79\u0c7a\u0c7b\u0c7c\\" 668 // 0.....1.....2.....3456789ABCDEF0123456789ABCDEF0123456789ABCDEF012345.....6789ABCD 669 + "\u0c7d\u0c7e\u0c7f [~] |ABCDEFGHIJKLMNOPQRSTUVWXYZ " 670 + " \u20ac " 671 // EF0123456789ABCDEF 672 + " ", 673 674 /* A.2.13 Urdu National Language Single Shift Table 675 01.....23.....4.....5.6.....789A.....BCDEF0123.....45.....6789.....A.....BC.....D..... */ 676 "@\u00a3$\u00a5\u00bf\"\u00a4%&'\u000c*+ -/<=>\u00a1^\u00a1_#*\u0600\u0601" 677 + " \u06f0\u06f1" 678 // E.....F.....0.....1.....2.....3.....4.....5.....6.....7.....89A.....B.....C..... 679 + "\u06f2\u06f3\u06f4\u06f5\u06f6\u06f7\u06f8\u06f9\u060c\u060d{}\u060e\u060f\u0610" 680 // D.....E.....F.0.....1.....2.....3.....4.....5.....6.....7.....8.....9.....A..... 681 + "\u0611\u0612\\\u0613\u0614\u061b\u061f\u0640\u0652\u0658\u066b\u066c\u0672\u0673" 682 // B.....CDEF.....0123456789ABCDEF0123456789ABCDEF012345.....6789ABCDEF0123456789ABCDEF 683 + "\u06cd[~]\u06d4|ABCDEFGHIJKLMNOPQRSTUVWXYZ \u20ac " 684 + " " 685 }; 686 687 static { 688 int numTables = sLanguageTables.length; 689 int numShiftTables = sLanguageShiftTables.length; 690 if (numTables != numShiftTables) { Log.e( TAG, "Error: language tables array length " + numTables + " != shift tables array length " + numShiftTables)691 Log.e( 692 TAG, 693 "Error: language tables array length " 694 + numTables 695 + " != shift tables array length " 696 + numShiftTables); 697 } 698 699 sCharsToGsmTables = new SparseIntArray[numTables]; 700 for (int i = 0; i < numTables; i++) { 701 String table = sLanguageTables[i]; 702 703 int tableLen = table.length(); 704 if (tableLen != 0 && tableLen != 128) { Log.e( TAG, "Error: language tables index " + i + " length " + tableLen + " (expected 128 or 0)")705 Log.e( 706 TAG, 707 "Error: language tables index " 708 + i 709 + " length " 710 + tableLen 711 + " (expected 128 or 0)"); 712 } 713 714 SparseIntArray charToGsmTable = new SparseIntArray(tableLen); 715 sCharsToGsmTables[i] = charToGsmTable; 716 for (int j = 0; j < tableLen; j++) { 717 char c = table.charAt(j); charToGsmTable.put(c, j)718 charToGsmTable.put(c, j); 719 } 720 } 721 722 sCharsToShiftTables = new SparseIntArray[numShiftTables]; 723 for (int i = 0; i < numShiftTables; i++) { 724 String shiftTable = sLanguageShiftTables[i]; 725 726 int shiftTableLen = shiftTable.length(); 727 if (shiftTableLen != 0 && shiftTableLen != 128) { Log.e( TAG, "Error: language shift tables index " + i + " length " + shiftTableLen + " (expected 128 or 0)")728 Log.e( 729 TAG, 730 "Error: language shift tables index " 731 + i 732 + " length " 733 + shiftTableLen 734 + " (expected 128 or 0)"); 735 } 736 737 SparseIntArray charToShiftTable = new SparseIntArray(shiftTableLen); 738 sCharsToShiftTables[i] = charToShiftTable; 739 for (int j = 0; j < shiftTableLen; j++) { 740 char c = shiftTable.charAt(j); 741 if (c != ' ') { charToShiftTable.put(c, j)742 charToShiftTable.put(c, j); 743 } 744 } 745 } 746 } 747 } 748