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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11
  12 package net.sourceforge.phpdt.internal.ui.text.spelling.engine;
  13
  14 /**
  15  * Default phonetic hash provider for english languages.
  16  * <p>
  17  * This algorithm uses an adapted version double metaphone algorithm by Lawrence
  18  * Philips.
  19  * <p>
  20  *
  21  * @since 3.0
  22  */
  23 public final class DefaultPhoneticHashProvider implements IPhoneticHashProvider {
  24
  25         private static final String[] meta01 = { "ACH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  26
  27         private static final String[] meta02 = { "BACHER", "MACHER", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  28
  29         private static final String[] meta03 = { "CAESAR", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  30
  31         private static final String[] meta04 = { "CHIA", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  32
  33         private static final String[] meta05 = { "CH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  34
  35         private static final String[] meta06 = { "CHAE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  36
  37         private static final String[] meta07 = { "HARAC", "HARIS", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  38
  39         private static final String[] meta08 = { "HOR", "HYM", "HIA", "HEM", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
  40
  41         private static final String[] meta09 = { "CHORE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  42
  43         private static final String[] meta10 = { "VAN ", "VON ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  44
  45         private static final String[] meta11 = { "SCH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  46
  47         private static final String[] meta12 = { "ORCHES", "ARCHIT", "ORCHID", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  48
  49         private static final String[] meta13 = { "T", "S", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  50
  51         private static final String[] meta14 = { "A", "O", "U", "E", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
  52
  53         private static final String[] meta15 = {
  54                         "L", "R", "N", "M", "B", "H", "F", "V", "W", " ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$ //$NON-NLS-10$ //$NON-NLS-11$
  55
  56         private static final String[] meta16 = { "MC", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  57
  58         private static final String[] meta17 = { "CZ", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  59
  60         private static final String[] meta18 = { "WICZ", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  61
  62         private static final String[] meta19 = { "CIA", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  63
  64         private static final String[] meta20 = { "CC", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  65
  66         private static final String[] meta21 = { "I", "E", "H", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  67
  68         private static final String[] meta22 = { "HU", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  69
  70         private static final String[] meta23 = { "UCCEE", "UCCES", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  71
  72         private static final String[] meta24 = { "CK", "CG", "CQ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  73
  74         private static final String[] meta25 = { "CI", "CE", "CY", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  75
  76         private static final String[] meta26 = { "GN", "KN", "PN", "WR", "PS", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
  77
  78         private static final String[] meta27 = { " C", " Q", " G", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  79
  80         private static final String[] meta28 = { "C", "K", "Q", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  81
  82         private static final String[] meta29 = { "CE", "CI", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  83
  84         private static final String[] meta30 = { "DG", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  85
  86         private static final String[] meta31 = { "I", "E", "Y", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  87
  88         private static final String[] meta32 = { "DT", "DD", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  89
  90         private static final String[] meta33 = { "B", "H", "D", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  91
  92         private static final String[] meta34 = { "B", "H", "D", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  93
  94         private static final String[] meta35 = { "B", "H", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  95
  96         private static final String[] meta36 = { "C", "G", "L", "R", "T", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
  97
  98         private static final String[] meta37 = { "EY", "" }; //$NON-NLS-1$ //$NON-NLS-2$
  99
 100         private static final String[] meta38 = { "LI", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 101
 102         private static final String[] meta39 = {
 103                         "ES", "EP", "EB", "EL", "EY", "IB", "IL", "IN", "IE", "EI", "ER", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$ //$NON-NLS-10$ //$NON-NLS-11$ //$NON-NLS-12$
 104
 105         private static final String[] meta40 = { "ER", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 106
 107         private static final String[] meta41 = { "DANGER", "RANGER", "MANGER", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 108
 109         private static final String[] meta42 = { "E", "I", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 110
 111         private static final String[] meta43 = { "RGY", "OGY", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 112
 113         private static final String[] meta44 = { "E", "I", "Y", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 114
 115         private static final String[] meta45 = { "AGGI", "OGGI", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 116
 117         private static final String[] meta46 = { "VAN ", "VON ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 118
 119         private static final String[] meta47 = { "SCH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 120
 121         private static final String[] meta48 = { "ET", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 122
 123         private static final String[] meta49 = { "C", "X", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 124
 125         private static final String[] meta50 = { "JOSE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 126
 127         private static final String[] meta51 = { "SAN ", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 128
 129         private static final String[] meta52 = { "SAN ", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 130
 131         private static final String[] meta53 = { "JOSE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 132
 133         private static final String[] meta54 = {
 134                         "L", "T", "K", "S", "N", "M", "B", "Z", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$
 135
 136         private static final String[] meta55 = { "S", "K", "L", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 137
 138         private static final String[] meta56 = { "ILLO", "ILLA", "ALLE", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 139
 140         private static final String[] meta57 = { "AS", "OS", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 141
 142         private static final String[] meta58 = { "A", "O", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 143
 144         private static final String[] meta59 = { "ALLE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 145
 146         private static final String[] meta60 = { "UMB", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 147
 148         private static final String[] meta61 = { "ER", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 149
 150         private static final String[] meta62 = { "P", "B", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 151
 152         private static final String[] meta63 = { "IE", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 153
 154         private static final String[] meta64 = { "ME", "MA", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 155
 156         private static final String[] meta65 = { "ISL", "YSL", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 157
 158         private static final String[] meta66 = { "SUGAR", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 159
 160         private static final String[] meta67 = { "SH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 161
 162         private static final String[] meta68 = { "HEIM", "HOEK", "HOLM", "HOLZ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
 163
 164         private static final String[] meta69 = { "SIO", "SIA", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 165
 166         private static final String[] meta70 = { "SIAN", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 167
 168         private static final String[] meta71 = { "M", "N", "L", "W", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
 169
 170         private static final String[] meta72 = { "Z", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 171
 172         private static final String[] meta73 = { "Z", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 173
 174         private static final String[] meta74 = { "SC", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 175
 176         private static final String[] meta75 = {
 177                         "OO", "ER", "EN", "UY", "ED", "EM", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
 178
 179         private static final String[] meta76 = { "ER", "EN", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 180
 181         private static final String[] meta77 = { "I", "E", "Y", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 182
 183         private static final String[] meta78 = { "AI", "OI", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 184
 185         private static final String[] meta79 = { "S", "Z", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 186
 187         private static final String[] meta80 = { "TION", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 188
 189         private static final String[] meta81 = { "TIA", "TCH", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 190
 191         private static final String[] meta82 = { "TH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 192
 193         private static final String[] meta83 = { "TTH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 194
 195         private static final String[] meta84 = { "OM", "AM", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 196
 197         private static final String[] meta85 = { "VAN ", "VON ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 198
 199         private static final String[] meta86 = { "SCH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 200
 201         private static final String[] meta87 = { "T", "D", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 202
 203         private static final String[] meta88 = { "WR", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 204
 205         private static final String[] meta89 = { "WH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 206
 207         private static final String[] meta90 = {
 208                         "EWSKI", "EWSKY", "OWSKI", "OWSKY", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
 209
 210         private static final String[] meta91 = { "SCH", "" }; //$NON-NLS-1$ //$NON-NLS-2$
 211
 212         private static final String[] meta92 = { "WICZ", "WITZ", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 213
 214         private static final String[] meta93 = { "IAU", "EAU", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 215
 216         private static final String[] meta94 = { "AU", "OU", "" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 217
 218         private static final String[] meta95 = { "W", "K", "CZ", "WITZ" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 219
 220         /** The mutator characters */
 221         private static final char[] MUTATOR_CHARACTERS = { 'A', 'B', 'X', 'S', 'K',
 222                         'J', 'T', 'F', 'H', 'L', 'M', 'N', 'P', 'R', '0' };
 223
 224         /** The vowel characters */
 225         private static final char[] VOWEL_CHARACTERS = new char[] { 'A', 'E', 'I',
 226                         'O', 'U', 'Y' };
 227
 228         /**
 229          * Test whether the specified string contains one of the candidates in the
 230          * list.
 231          *
 232          * @param candidates
 233          *            Array of candidates to check
 234          * @param token
 235          *            The token to check for occurrences of the candidates
 236          * @param offset
 237          *            The offset where to begin checking in the string
 238          * @param length
 239          *            The length of the range in the string to check
 240          * @return <code>true</code> iff the string contains one of the
 241          *         candidates, <code>false</code> otherwise.
 242          */
 243         protected static final boolean hasOneOf(final String[] candidates,
 244                         final char[] token, final int offset, final int length) {
 245
 246                 if (offset < 0 || offset >= token.length || candidates.length == 0)
 247                         return false;
 248
 249                 final String checkable = new String(token, offset, length);
 250                 for (int index = 0; index < candidates.length; index++) {
 251
 252                         if (candidates[index].equals(checkable))
 253                                 return true;
 254                 }
 255                 return false;
 256         }
 257
 258         /**
 259          * Test whether the specified token contains one of the candidates in the
 260          * list.
 261          *
 262          * @param candidates
 263          *            Array of candidates to check
 264          * @param token
 265          *            The token to check for occurrences of the candidates
 266          * @return <code>true</code> iff the string contains one of the
 267          *         candidates, <code>false</code> otherwise.
 268          */
 269         protected static final boolean hasOneOf(final String[] candidates,
 270                         final String token) {
 271
 272                 for (int index = 0; index < candidates.length; index++) {
 273
 274                         if (token.indexOf(candidates[index]) >= 0)
 275                                 return true;
 276                 }
 277                 return false;
 278         }
 279
 280         /**
 281          * Tests whether the specified token contains a vowel at the specified
 282          * offset.
 283          *
 284          * @param token
 285          *            The token to check for a vowel
 286          * @param offset
 287          *            The offset where to begin checking in the token
 288          * @param length
 289          *            The length of the range in the token to check
 290          * @return <code>true</code> iff the token contains a vowel,
 291          *         <code>false</code> otherwise.
 292          */
 293         protected static final boolean hasVowel(final char[] token,
 294                         final int offset, final int length) {
 295
 296                 if (offset >= 0 && offset < length) {
 297
 298                         final char character = token[offset];
 299                         for (int index = 0; index < VOWEL_CHARACTERS.length; index++) {
 300
 301                                 if (VOWEL_CHARACTERS[index] == character)
 302                                         return true;
 303                         }
 304                 }
 305                 return false;
 306         }
 307
 308         /*
 309          * @see org.eclipse.spelling.done.IPhoneticHasher#getHash(java.lang.String)
 310          */
 311         public final String getHash(final String word) {
 312
 313                 final String input = word.toUpperCase() + "     "; //$NON-NLS-1$
 314                 final char[] hashable = input.toCharArray();
 315
 316                 final boolean has95 = hasOneOf(meta95, input);
 317                 final StringBuffer buffer = new StringBuffer(hashable.length);
 318
 319                 int offset = 0;
 320                 if (hasOneOf(meta26, hashable, 0, 2))
 321                         offset += 1;
 322
 323                 if (hashable[0] == 'X') {
 324                         buffer.append('S');
 325                         offset += 1;
 326                 }
 327
 328                 while (offset < hashable.length) {
 329
 330                         switch (hashable[offset]) {
 331                         case 'A':
 332                         case 'E':
 333                         case 'I':
 334                         case 'O':
 335                         case 'U':
 336                         case 'Y':
 337                                 if (offset == 0)
 338                                         buffer.append('A');
 339                                 offset += 1;
 340                                 break;
 341                         case 'B':
 342                                 buffer.append('P');
 343                                 if (hashable[offset + 1] == 'B')
 344                                         offset += 2;
 345                                 else
 346                                         offset += 1;
 347                                 break;
 348                         case 'C':
 349                                 if ((offset > 1)
 350                                                 && !hasVowel(hashable, offset - 2, hashable.length)
 351                                                 && hasOneOf(meta01, hashable, (offset - 1), 3)
 352                                                 && (hashable[offset + 2] != 'I')
 353                                                 && (hashable[offset + 2] != 'E')
 354                                                 || hasOneOf(meta02, hashable, (offset - 2), 6)) {
 355                                         buffer.append('K');
 356                                         offset += 2;
 357                                         break;
 358                                 }
 359                                 if ((offset == 0) && hasOneOf(meta03, hashable, offset, 6)) {
 360                                         buffer.append('S');
 361                                         offset += 2;
 362                                         break;
 363                                 }
 364                                 if (hasOneOf(meta04, hashable, offset, 4)) {
 365                                         buffer.append('K');
 366                                         offset += 2;
 367                                         break;
 368                                 }
 369                                 if (hasOneOf(meta05, hashable, offset, 2)) {
 370                                         if ((offset > 0) && hasOneOf(meta06, hashable, offset, 4)) {
 371                                                 buffer.append('K');
 372                                                 offset += 2;
 373                                                 break;
 374                                         }
 375                                         if ((offset == 0)
 376                                                         && hasOneOf(meta07, hashable, (offset + 1), 5)
 377                                                         || hasOneOf(meta08, hashable, offset + 1, 3)
 378                                                         && !hasOneOf(meta09, hashable, 0, 5)) {
 379                                                 buffer.append('K');
 380                                                 offset += 2;
 381                                                 break;
 382                                         }
 383                                         if (hasOneOf(meta10, hashable, 0, 4)
 384                                                         || hasOneOf(meta11, hashable, 0, 3)
 385                                                         || hasOneOf(meta12, hashable, offset - 2, 6)
 386                                                         || hasOneOf(meta13, hashable, offset + 2, 1)
 387                                                         || (hasOneOf(meta14, hashable, offset - 1, 1) || (offset == 0))
 388                                                         && hasOneOf(meta15, hashable, offset + 2, 1)) {
 389                                                 buffer.append('K');
 390                                         } else {
 391                                                 if (offset > 0) {
 392                                                         if (hasOneOf(meta16, hashable, 0, 2))
 393                                                                 buffer.append('K');
 394                                                         else
 395                                                                 buffer.append('X');
 396                                                 } else {
 397                                                         buffer.append('X');
 398                                                 }
 399                                         }
 400                                         offset += 2;
 401                                         break;
 402                                 }
 403                                 if (hasOneOf(meta17, hashable, offset, 2)
 404                                                 && !hasOneOf(meta18, hashable, offset, 4)) {
 405                                         buffer.append('S');
 406                                         offset += 2;
 407                                         break;
 408                                 }
 409                                 if (hasOneOf(meta19, hashable, offset, 2)) {
 410                                         buffer.append('X');
 411                                         offset += 2;
 412                                         break;
 413                                 }
 414                                 if (hasOneOf(meta20, hashable, offset, 2)
 415                                                 && !((offset == 1) && hashable[0] == 'M')) {
 416                                         if (hasOneOf(meta21, hashable, offset + 2, 1)
 417                                                         && !hasOneOf(meta22, hashable, offset + 2, 2)) {
 418                                                 if (((offset == 1) && (hashable[offset - 1] == 'A'))
 419                                                                 || hasOneOf(meta23, hashable, (offset - 1), 5))
 420                                                         buffer.append("KS"); //$NON-NLS-1$
 421                                                 else
 422                                                         buffer.append('X');
 423                                                 offset += 3;
 424                                                 break;
 425                                         } else {
 426                                                 buffer.append('K');
 427                                                 offset += 2;
 428                                                 break;
 429                                         }
 430                                 }
 431                                 if (hasOneOf(meta24, hashable, offset, 2)) {
 432                                         buffer.append('K');
 433                                         offset += 2;
 434                                         break;
 435                                 } else if (hasOneOf(meta25, hashable, offset, 2)) {
 436                                         buffer.append('S');
 437                                         offset += 2;
 438                                         break;
 439                                 }
 440                                 buffer.append('K');
 441                                 if (hasOneOf(meta27, hashable, offset + 1, 2))
 442                                         offset += 3;
 443                                 else if (hasOneOf(meta28, hashable, offset + 1, 1)
 444                                                 && !hasOneOf(meta29, hashable, offset + 1, 2))
 445                                         offset += 2;
 446                                 else
 447                                         offset += 1;
 448                                 break;
 449                         case '\u00C7':
 450                                 buffer.append('S');
 451                                 offset += 1;
 452                                 break;
 453                         case 'D':
 454                                 if (hasOneOf(meta30, hashable, offset, 2)) {
 455                                         if (hasOneOf(meta31, hashable, offset + 2, 1)) {
 456                                                 buffer.append('J');
 457                                                 offset += 3;
 458                                                 break;
 459                                         } else {
 460                                                 buffer.append("TK"); //$NON-NLS-1$
 461                                                 offset += 2;
 462                                                 break;
 463                                         }
 464                                 }
 465                                 buffer.append('T');
 466                                 if (hasOneOf(meta32, hashable, offset, 2)) {
 467                                         offset += 2;
 468                                 } else {
 469                                         offset += 1;
 470                                 }
 471                                 break;
 472                         case 'F':
 473                                 if (hashable[offset + 1] == 'F')
 474                                         offset += 2;
 475                                 else
 476                                         offset += 1;
 477                                 buffer.append('F');
 478                                 break;
 479                         case 'G':
 480                                 if (hashable[offset + 1] == 'H') {
 481                                         if ((offset > 0)
 482                                                         && !hasVowel(hashable, offset - 1, hashable.length)) {
 483                                                 buffer.append('K');
 484                                                 offset += 2;
 485                                                 break;
 486                                         }
 487                                         if (offset < 3) {
 488                                                 if (offset == 0) {
 489                                                         if (hashable[offset + 2] == 'I')
 490                                                                 buffer.append('J');
 491                                                         else
 492                                                                 buffer.append('K');
 493                                                         offset += 2;
 494                                                         break;
 495                                                 }
 496                                         }
 497                                         if ((offset > 1)
 498                                                         && hasOneOf(meta33, hashable, offset - 2, 1)
 499                                                         || ((offset > 2) && hasOneOf(meta34, hashable,
 500                                                                         offset - 3, 1))
 501                                                         || ((offset > 3) && hasOneOf(meta35, hashable,
 502                                                                         offset - 4, 1))) {
 503                                                 offset += 2;
 504                                                 break;
 505                                         } else {
 506                                                 if ((offset > 2) && (hashable[offset - 1] == 'U')
 507                                                                 && hasOneOf(meta36, hashable, offset - 3, 1)) {
 508                                                         buffer.append('F');
 509                                                 } else {
 510                                                         if ((offset > 0) && (hashable[offset - 1] != 'I'))
 511                                                                 buffer.append('K');
 512                                                 }
 513                                                 offset += 2;
 514                                                 break;
 515                                         }
 516                                 }
 517                                 if (hashable[offset + 1] == 'N') {
 518                                         if ((offset == 1) && hasVowel(hashable, 0, hashable.length)
 519                                                         && !has95) {
 520                                                 buffer.append("KN"); //$NON-NLS-1$
 521                                         } else {
 522                                                 if (!hasOneOf(meta37, hashable, offset + 2, 2)
 523                                                                 && (hashable[offset + 1] != 'Y') && !has95) {
 524                                                         buffer.append("N"); //$NON-NLS-1$
 525                                                 } else {
 526                                                         buffer.append("KN"); //$NON-NLS-1$
 527                                                 }
 528                                         }
 529                                         offset += 2;
 530                                         break;
 531                                 }
 532                                 if (hasOneOf(meta38, hashable, offset + 1, 2) && !has95) {
 533                                         buffer.append("KL"); //$NON-NLS-1$
 534                                         offset += 2;
 535                                         break;
 536                                 }
 537                                 if ((offset == 0)
 538                                                 && ((hashable[offset + 1] == 'Y') || hasOneOf(meta39,
 539                                                                 hashable, offset + 1, 2))) {
 540                                         buffer.append('K');
 541                                         offset += 2;
 542                                         break;
 543                                 }
 544                                 if ((hasOneOf(meta40, hashable, offset + 1, 2) || (hashable[offset + 1] == 'Y'))
 545                                                 && !hasOneOf(meta41, hashable, 0, 6)
 546                                                 && !hasOneOf(meta42, hashable, offset - 1, 1)
 547                                                 && !hasOneOf(meta43, hashable, offset - 1, 3)) {
 548                                         buffer.append('K');
 549                                         offset += 2;
 550                                         break;
 551                                 }
 552                                 if (hasOneOf(meta44, hashable, offset + 1, 1)
 553                                                 || hasOneOf(meta45, hashable, offset - 1, 4)) {
 554                                         if (hasOneOf(meta46, hashable, 0, 4)
 555                                                         || hasOneOf(meta47, hashable, 0, 3)
 556                                                         || hasOneOf(meta48, hashable, offset + 1, 2)) {
 557                                                 buffer.append('K');
 558                                         } else {
 559                                                 buffer.append('J');
 560                                         }
 561                                         offset += 2;
 562                                         break;
 563                                 }
 564                                 if (hashable[offset + 1] == 'G')
 565                                         offset += 2;
 566                                 else
 567                                         offset += 1;
 568                                 buffer.append('K');
 569                                 break;
 570                         case 'H':
 571                                 if (((offset == 0) || hasVowel(hashable, offset - 1,
 572                                                 hashable.length))
 573                                                 && hasVowel(hashable, offset + 1, hashable.length)) {
 574                                         buffer.append('H');
 575                                         offset += 2;
 576                                 } else {
 577                                         offset += 1;
 578                                 }
 579                                 break;
 580                         case 'J':
 581                                 if (hasOneOf(meta50, hashable, offset, 4)
 582                                                 || hasOneOf(meta51, hashable, 0, 4)) {
 583                                         if ((offset == 0) && (hashable[offset + 4] == ' ')
 584                                                         || hasOneOf(meta52, hashable, 0, 4)) {
 585                                                 buffer.append('H');
 586                                         } else {
 587                                                 buffer.append('J');
 588                                         }
 589                                         offset += 1;
 590                                         break;
 591                                 }
 592                                 if ((offset == 0) && !hasOneOf(meta53, hashable, offset, 4)) {
 593                                         buffer.append('J');
 594                                 } else {
 595                                         if (hasVowel(hashable, offset - 1, hashable.length)
 596                                                         && !has95
 597                                                         && ((hashable[offset + 1] == 'A') || hashable[offset + 1] == 'O')) {
 598                                                 buffer.append('J');
 599                                         } else {
 600                                                 if (offset == (hashable.length - 1)) {
 601                                                         buffer.append('J');
 602                                                 } else {
 603                                                         if (!hasOneOf(meta54, hashable, offset + 1, 1)
 604                                                                         && !hasOneOf(meta55, hashable, offset - 1,
 605                                                                                         1)) {
 606                                                                 buffer.append('J');
 607                                                         }
 608                                                 }
 609                                         }
 610                                 }
 611                                 if (hashable[offset + 1] == 'J')
 612                                         offset += 2;
 613                                 else
 614                                         offset += 1;
 615                                 break;
 616                         case 'K':
 617                                 if (hashable[offset + 1] == 'K')
 618                                         offset += 2;
 619                                 else
 620                                         offset += 1;
 621                                 buffer.append('K');
 622                                 break;
 623                         case 'L':
 624                                 if (hashable[offset + 1] == 'L') {
 625                                         if (((offset == (hashable.length - 3)) && hasOneOf(meta56,
 626                                                         hashable, offset - 1, 4))
 627                                                         || ((hasOneOf(meta57, hashable,
 628                                                                         (hashable.length - 1) - 1, 2) || hasOneOf(
 629                                                                         meta58, hashable, hashable.length - 1, 1)) && hasOneOf(
 630                                                                         meta59, hashable, offset - 1, 4))) {
 631                                                 buffer.append('L');
 632                                                 offset += 2;
 633                                                 break;
 634                                         }
 635                                         offset += 2;
 636                                 } else
 637                                         offset += 1;
 638                                 buffer.append('L');
 639                                 break;
 640                         case 'M':
 641                                 if ((hasOneOf(meta60, hashable, offset - 1, 3) && (((offset + 1) == (hashable.length - 1)) || hasOneOf(
 642                                                 meta61, hashable, offset + 2, 2)))
 643                                                 || (hashable[offset + 1] == 'M'))
 644                                         offset += 2;
 645                                 else
 646                                         offset += 1;
 647                                 buffer.append('M');
 648                                 break;
 649                         case 'N':
 650                                 if (hashable[offset + 1] == 'N')
 651                                         offset += 2;
 652                                 else
 653                                         offset += 1;
 654                                 buffer.append('N');
 655                                 break;
 656                         case '\u00D1':
 657                                 offset += 1;
 658                                 buffer.append('N');
 659                                 break;
 660                         case 'P':
 661                                 if (hashable[offset + 1] == 'N') {
 662                                         buffer.append('F');
 663                                         offset += 2;
 664                                         break;
 665                                 }
 666                                 if (hasOneOf(meta62, hashable, offset + 1, 1))
 667                                         offset += 2;
 668                                 else
 669                                         offset += 1;
 670                                 buffer.append('P');
 671                                 break;
 672                         case 'Q':
 673                                 if (hashable[offset + 1] == 'Q')
 674                                         offset += 2;
 675                                 else
 676                                         offset += 1;
 677                                 buffer.append('K');
 678                                 break;
 679                         case 'R':
 680                                 if (!((offset == (hashable.length - 1)) && !has95
 681                                                 && hasOneOf(meta63, hashable, offset - 2, 2) && !hasOneOf(
 682                                                 meta64, hashable, offset - 4, 2)))
 683                                         buffer.append('R');
 684                                 if (hashable[offset + 1] == 'R')
 685                                         offset += 2;
 686                                 else
 687                                         offset += 1;
 688                                 break;
 689                         case 'S':
 690                                 if (hasOneOf(meta65, hashable, offset - 1, 3)) {
 691                                         offset += 1;
 692                                         break;
 693                                 }
 694                                 if ((offset == 0) && hasOneOf(meta66, hashable, offset, 5)) {
 695                                         buffer.append('X');
 696                                         offset += 1;
 697                                         break;
 698                                 }
 699                                 if (hasOneOf(meta67, hashable, offset, 2)) {
 700                                         if (hasOneOf(meta68, hashable, offset + 1, 4))
 701                                                 buffer.append('S');
 702                                         else
 703                                                 buffer.append('X');
 704                                         offset += 2;
 705                                         break;
 706                                 }
 707                                 if (hasOneOf(meta69, hashable, offset, 3)
 708                                                 || hasOneOf(meta70, hashable, offset, 4)) {
 709                                         buffer.append('S');
 710                                         offset += 3;
 711                                         break;
 712                                 }
 713                                 if (((offset == 0) && hasOneOf(meta71, hashable, offset + 1, 1))
 714                                                 || hasOneOf(meta72, hashable, offset + 1, 1)) {
 715                                         buffer.append('S');
 716                                         if (hasOneOf(meta73, hashable, offset + 1, 1))
 717                                                 offset += 2;
 718                                         else
 719                                                 offset += 1;
 720                                         break;
 721                                 }
 722                                 if (hasOneOf(meta74, hashable, offset, 2)) {
 723                                         if (hashable[offset + 2] == 'H')
 724                                                 if (hasOneOf(meta75, hashable, offset + 3, 2)) {
 725                                                         if (hasOneOf(meta76, hashable, offset + 3, 2)) {
 726                                                                 buffer.append("X"); //$NON-NLS-1$
 727                                                         } else {
 728                                                                 buffer.append("SK"); //$NON-NLS-1$
 729                                                         }
 730                                                         offset += 3;
 731                                                         break;
 732                                                 } else {
 733                                                         buffer.append('X');
 734                                                         offset += 3;
 735                                                         break;
 736                                                 }
 737                                         if (hasOneOf(meta77, hashable, offset + 2, 1)) {
 738                                                 buffer.append('S');
 739                                                 offset += 3;
 740                                                 break;
 741                                         }
 742                                         buffer.append("SK"); //$NON-NLS-1$
 743                                         offset += 3;
 744                                         break;
 745                                 }
 746                                 if (!((offset == (hashable.length - 1)) && hasOneOf(meta78,
 747                                                 hashable, offset - 2, 2)))
 748                                         buffer.append('S');
 749                                 if (hasOneOf(meta79, hashable, offset + 1, 1))
 750                                         offset += 2;
 751                                 else
 752                                         offset += 1;
 753                                 break;
 754                         case 'T':
 755                                 if (hasOneOf(meta80, hashable, offset, 4)) {
 756                                         buffer.append('X');
 757                                         offset += 3;
 758                                         break;
 759                                 }
 760                                 if (hasOneOf(meta81, hashable, offset, 3)) {
 761                                         buffer.append('X');
 762                                         offset += 3;
 763                                         break;
 764                                 }
 765                                 if (hasOneOf(meta82, hashable, offset, 2)
 766                                                 || hasOneOf(meta83, hashable, offset, 3)) {
 767                                         if (hasOneOf(meta84, hashable, (offset + 2), 2)
 768                                                         || hasOneOf(meta85, hashable, 0, 4)
 769                                                         || hasOneOf(meta86, hashable, 0, 3)) {
 770                                                 buffer.append('T');
 771                                         } else {
 772                                                 buffer.append('0');
 773                                         }
 774                                         offset += 2;
 775                                         break;
 776                                 }
 777                                 if (hasOneOf(meta87, hashable, offset + 1, 1)) {
 778                                         offset += 2;
 779                                 } else
 780                                         offset += 1;
 781                                 buffer.append('T');
 782                                 break;
 783                         case 'V':
 784                                 if (hashable[offset + 1] == 'V')
 785                                         offset += 2;
 786                                 else
 787                                         offset += 1;
 788                                 buffer.append('F');
 789                                 break;
 790                         case 'W':
 791                                 if (hasOneOf(meta88, hashable, offset, 2)) {
 792                                         buffer.append('R');
 793                                         offset += 2;
 794                                         break;
 795                                 }
 796                                 if ((offset == 0)
 797                                                 && (hasVowel(hashable, offset + 1, hashable.length) || hasOneOf(
 798                                                                 meta89, hashable, offset, 2))) {
 799                                         buffer.append('A');
 800                                 }
 801                                 if (((offset == (hashable.length - 1)) && hasVowel(hashable,
 802                                                 offset - 1, hashable.length))
 803                                                 || hasOneOf(meta90, hashable, offset - 1, 5)
 804                                                 || hasOneOf(meta91, hashable, 0, 3)) {
 805                                         buffer.append('F');
 806                                         offset += 1;
 807                                         break;
 808                                 }
 809                                 if (hasOneOf(meta92, hashable, offset, 4)) {
 810                                         buffer.append("TS"); //$NON-NLS-1$
 811                                         offset += 4;
 812                                         break;
 813                                 }
 814                                 offset += 1;
 815                                 break;
 816                         case 'X':
 817                                 if (!((offset == (hashable.length - 1)) && (hasOneOf(meta93,
 818                                                 hashable, offset - 3, 3) || hasOneOf(meta94, hashable,
 819                                                 offset - 2, 2))))
 820                                         buffer.append("KS"); //$NON-NLS-1$
 821                                 if (hasOneOf(meta49, hashable, offset + 1, 1))
 822                                         offset += 2;
 823                                 else
 824                                         offset += 1;
 825                                 break;
 826                         case 'Z':
 827                                 if (hashable[offset + 1] == 'H') {
 828                                         buffer.append('J');
 829                                         offset += 2;
 830                                         break;
 831                                 } else {
 832                                         buffer.append('S');
 833                                 }
 834                                 if (hashable[offset + 1] == 'Z')
 835                                         offset += 2;
 836                                 else
 837                                         offset += 1;
 838                                 break;
 839                         default:
 840                                 offset += 1;
 841                         }
 842                 }
 843                 return buffer.toString();
 844         }
 845
 846         /*
 847          * @see org.eclipse.spelling.done.IPhoneticHasher#getMutators()
 848          */
 849         public final char[] getMutators() {
 850                 return MUTATOR_CHARACTERS;
 851         }
 852 }