1 /* 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang; 27 28 /** The CharacterData class encapsulates the large tables once found in 29 * java.lang.Character. 30 */ 31 32 class CharacterData01 extends CharacterData { 33 /* The character properties are currently encoded into 32 bits in the following manner: 34 1 bit mirrored property 35 4 bits directionality property 36 9 bits signed offset used for converting case 37 1 bit if 1, adding the signed offset converts the character to lowercase 38 1 bit if 1, subtracting the signed offset converts the character to uppercase 39 1 bit if 1, this character has a titlecase equivalent (possibly itself) 40 3 bits 0 may not be part of an identifier 41 1 ignorable control; may continue a Unicode identifier or Java identifier 42 2 may continue a Java identifier but not a Unicode identifier (unused) 43 3 may continue a Unicode identifier or Java identifier 44 4 is a Java whitespace character 45 5 may start or continue a Java identifier; 46 may continue but not start a Unicode identifier (underscores) 47 6 may start or continue a Java identifier but not a Unicode identifier ($) 48 7 may start or continue a Unicode identifier or Java identifier 49 Thus: 50 5, 6, 7 may start a Java identifier 51 1, 2, 3, 5, 6, 7 may continue a Java identifier 52 7 may start a Unicode identifier 53 1, 3, 5, 7 may continue a Unicode identifier 54 1 is ignorable within an identifier 55 4 is Java whitespace 56 2 bits 0 this character has no numeric property 57 1 adding the digit offset to the character code and then 58 masking with 0x1F will produce the desired numeric value 59 2 this character has a "strange" numeric value 60 3 a Java supradecimal digit: adding the digit offset to the 61 character code, then masking with 0x1F, then adding 10 62 will produce the desired numeric value 63 5 bits digit offset 64 5 bits character type 65 66 The encoding of character properties is subject to change at any time. 67 */ 68 69 int getProperties(int ch) { 70 char offset = (char)ch; 71 int props = $$Lookup(offset); 72 return props; 73 } 74 75 int getPropertiesEx(int ch) { 76 char offset = (char)ch; 77 int props = $$LookupEx(offset); 78 return props; 79 } 80 81 int getType(int ch) { 82 int props = getProperties(ch); 83 return (props & $$maskType); 84 } 85 86 boolean isOtherLowercase(int ch) { 87 int props = getPropertiesEx(ch); 88 return (props & $$maskOtherLowercase) != 0; 89 } 90 91 boolean isOtherUppercase(int ch) { 92 int props = getPropertiesEx(ch); 93 return (props & $$maskOtherUppercase) != 0; 94 } 95 96 boolean isOtherAlphabetic(int ch) { 97 int props = getPropertiesEx(ch); 98 return (props & $$maskOtherAlphabetic) != 0; 99 } 100 101 boolean isIdeographic(int ch) { 102 int props = getPropertiesEx(ch); 103 return (props & $$maskIdeographic) != 0; 104 } 105 106 boolean isJavaIdentifierStart(int ch) { 107 int props = getProperties(ch); 108 return ((props & $$maskIdentifierInfo) >= $$lowJavaStart); 109 } 110 111 boolean isJavaIdentifierPart(int ch) { 112 int props = getProperties(ch); 113 return ((props & $$nonzeroJavaPart) != 0); 114 } 115 116 boolean isUnicodeIdentifierStart(int ch) { 117 int props = getProperties(ch); 118 return ((props & $$maskIdentifierInfo) == $$valueUnicodeStart); 119 } 120 121 boolean isUnicodeIdentifierPart(int ch) { 122 int props = getProperties(ch); 123 return ((props & $$maskUnicodePart) != 0); 124 } 125 126 boolean isIdentifierIgnorable(int ch) { 127 int props = getProperties(ch); 128 return ((props & $$maskIdentifierInfo) == $$valueIgnorable); 129 } 130 131 int toLowerCase(int ch) { 132 int mapChar = ch; 133 int val = getProperties(ch); 134 135 if ((val & $$maskLowerCase) != 0) { 136 int offset = val << $$shiftCaseOffsetSign >> ($$shiftCaseOffsetSign+$$shiftCaseOffset); 137 mapChar = ch + offset; 138 } 139 return mapChar; 140 } 141 142 int toUpperCase(int ch) { 143 int mapChar = ch; 144 int val = getProperties(ch); 145 146 if ((val & $$maskUpperCase) != 0) { 147 int offset = val << $$shiftCaseOffsetSign >> ($$shiftCaseOffsetSign+$$shiftCaseOffset); 148 mapChar = ch - offset; 149 } 150 return mapChar; 151 } 152 153 int toTitleCase(int ch) { 154 int mapChar = ch; 155 int val = getProperties(ch); 156 157 if ((val & $$maskTitleCase) != 0) { 158 // There is a titlecase equivalent. Perform further checks: 159 if ((val & $$maskUpperCase) == 0) { 160 // The character does not have an uppercase equivalent, so it must 161 // already be uppercase; so add 1 to get the titlecase form. 162 mapChar = ch + 1; 163 } 164 else if ((val & $$maskLowerCase) == 0) { 165 // The character does not have a lowercase equivalent, so it must 166 // already be lowercase; so subtract 1 to get the titlecase form. 167 mapChar = ch - 1; 168 } 169 // else { 170 // The character has both an uppercase equivalent and a lowercase 171 // equivalent, so it must itself be a titlecase form; return it. 172 // return ch; 173 //} 174 } 175 else if ((val & $$maskUpperCase) != 0) { 176 // This character has no titlecase equivalent but it does have an 177 // uppercase equivalent, so use that (subtract the signed case offset). 178 mapChar = toUpperCase(ch); 179 } 180 return mapChar; 181 } 182 183 int digit(int ch, int radix) { 184 int value = -1; 185 if (radix >= Character.MIN_RADIX && radix <= Character.MAX_RADIX) { 186 int val = getProperties(ch); 187 int kind = val & $$maskType; 188 if (kind == Character.DECIMAL_DIGIT_NUMBER) { 189 value = ch + ((val & $$maskDigitOffset) >> $$shiftDigitOffset) & $$maskDigit; 190 } 191 else if ((val & $$maskNumericType) == $$valueJavaSupradecimal) { 192 // Java supradecimal digit 193 value = (ch + ((val & $$maskDigitOffset) >> $$shiftDigitOffset) & $$maskDigit) + 10; 194 } 195 } 196 return (value < radix) ? value : -1; 197 } 198 199 int getNumericValue(int ch) { 200 int val = getProperties(ch); 201 int retval = -1; 202 203 switch (val & $$maskNumericType) { 204 default: // cannot occur 205 case ($$valueNotNumeric): // not numeric 206 retval = -1; 207 break; 208 case ($$valueDigit): // simple numeric 209 retval = ch + ((val & $$maskDigitOffset) >> $$shiftDigitOffset) & $$maskDigit; 210 break; 211 case ($$valueStrangeNumeric) : // "strange" numeric 212 switch(ch) { 213 case 0x10113: retval = 40; break; // AEGEAN NUMBER FORTY 214 case 0x10114: retval = 50; break; // AEGEAN NUMBER FIFTY 215 case 0x10115: retval = 60; break; // AEGEAN NUMBER SIXTY 216 case 0x10116: retval = 70; break; // AEGEAN NUMBER SEVENTY 217 case 0x10117: retval = 80; break; // AEGEAN NUMBER EIGHTY 218 case 0x10118: retval = 90; break; // AEGEAN NUMBER NINETY 219 case 0x10119: retval = 100; break; // AEGEAN NUMBER ONE HUNDRED 220 case 0x1011A: retval = 200; break; // AEGEAN NUMBER TWO HUNDRED 221 case 0x1011B: retval = 300; break; // AEGEAN NUMBER THREE HUNDRED 222 case 0x1011C: retval = 400; break; // AEGEAN NUMBER FOUR HUNDRED 223 case 0x1011D: retval = 500; break; // AEGEAN NUMBER FIVE HUNDRED 224 case 0x1011E: retval = 600; break; // AEGEAN NUMBER SIX HUNDRED 225 case 0x1011F: retval = 700; break; // AEGEAN NUMBER SEVEN HUNDRED 226 case 0x10120: retval = 800; break; // AEGEAN NUMBER EIGHT HUNDRED 227 case 0x10121: retval = 900; break; // AEGEAN NUMBER NINE HUNDRED 228 case 0x10122: retval = 1000; break; // AEGEAN NUMBER ONE THOUSAND 229 case 0x10123: retval = 2000; break; // AEGEAN NUMBER TWO THOUSAND 230 case 0x10124: retval = 3000; break; // AEGEAN NUMBER THREE THOUSAND 231 case 0x10125: retval = 4000; break; // AEGEAN NUMBER FOUR THOUSAND 232 case 0x10126: retval = 5000; break; // AEGEAN NUMBER FIVE THOUSAND 233 case 0x10127: retval = 6000; break; // AEGEAN NUMBER SIX THOUSAND 234 case 0x10128: retval = 7000; break; // AEGEAN NUMBER SEVEN THOUSAND 235 case 0x10129: retval = 8000; break; // AEGEAN NUMBER EIGHT THOUSAND 236 case 0x1012A: retval = 9000; break; // AEGEAN NUMBER NINE THOUSAND 237 case 0x1012B: retval = 10000; break; // AEGEAN NUMBER TEN THOUSAND 238 case 0x1012C: retval = 20000; break; // AEGEAN NUMBER TWENTY THOUSAND 239 case 0x1012D: retval = 30000; break; // AEGEAN NUMBER THIRTY THOUSAND 240 case 0x1012E: retval = 40000; break; // AEGEAN NUMBER FORTY THOUSAND 241 case 0x1012F: retval = 50000; break; // AEGEAN NUMBER FIFTY THOUSAND 242 case 0x10130: retval = 60000; break; // AEGEAN NUMBER SIXTY THOUSAND 243 case 0x10131: retval = 70000; break; // AEGEAN NUMBER SEVENTY THOUSAND 244 case 0x10132: retval = 80000; break; // AEGEAN NUMBER EIGHTY THOUSAND 245 case 0x10133: retval = 90000; break; // AEGEAN NUMBER NINETY THOUSAND 246 case 0x10323: retval = 50; break; // OLD ITALIC NUMERAL FIFTY 247 248 case 0x010144: retval = 50; break; // ACROPHONIC ATTIC FIFTY 249 case 0x010145: retval = 500; break; // ACROPHONIC ATTIC FIVE HUNDRED 250 case 0x010146: retval = 5000; break; // ACROPHONIC ATTIC FIVE THOUSAND 251 case 0x010147: retval = 50000; break; // ACROPHONIC ATTIC FIFTY THOUSAND 252 case 0x01014A: retval = 50; break; // ACROPHONIC ATTIC FIFTY TALENTS 253 case 0x01014B: retval = 100; break; // ACROPHONIC ATTIC ONE HUNDRED TALENTS 254 case 0x01014C: retval = 500; break; // ACROPHONIC ATTIC FIVE HUNDRED TALENTS 255 case 0x01014D: retval = 1000; break; // ACROPHONIC ATTIC ONE THOUSAND TALENTS 256 case 0x01014E: retval = 5000; break; // ACROPHONIC ATTIC FIVE THOUSAND TALENTS 257 case 0x010151: retval = 50; break; // ACROPHONIC ATTIC FIFTY STATERS 258 case 0x010152: retval = 100; break; // ACROPHONIC ATTIC ONE HUNDRED STATERS 259 case 0x010153: retval = 500; break; // ACROPHONIC ATTIC FIVE HUNDRED STATERS 260 case 0x010154: retval = 1000; break; // ACROPHONIC ATTIC ONE THOUSAND STATERS 261 case 0x010155: retval = 10000; break; // ACROPHONIC ATTIC TEN THOUSAND STATERS 262 case 0x010156: retval = 50000; break; // ACROPHONIC ATTIC FIFTY THOUSAND STATERS 263 case 0x010166: retval = 50; break; // ACROPHONIC TROEZENIAN FIFTY 264 case 0x010167: retval = 50; break; // ACROPHONIC TROEZENIAN FIFTY ALTERNATE FORM 265 case 0x010168: retval = 50; break; // ACROPHONIC HERMIONIAN FIFTY 266 case 0x010169: retval = 50; break; // ACROPHONIC THESPIAN FIFTY 267 case 0x01016A: retval = 100; break; // ACROPHONIC THESPIAN ONE HUNDRED 268 case 0x01016B: retval = 300; break; // ACROPHONIC THESPIAN THREE HUNDRED 269 case 0x01016C: retval = 500; break; // ACROPHONIC EPIDAUREAN FIVE HUNDRED 270 case 0x01016D: retval = 500; break; // ACROPHONIC TROEZENIAN FIVE HUNDRED 271 case 0x01016E: retval = 500; break; // ACROPHONIC THESPIAN FIVE HUNDRED 272 case 0x01016F: retval = 500; break; // ACROPHONIC CARYSTIAN FIVE HUNDRED 273 case 0x010170: retval = 500; break; // ACROPHONIC NAXIAN FIVE HUNDRED 274 case 0x010171: retval = 1000; break; // ACROPHONIC THESPIAN ONE THOUSAND 275 case 0x010172: retval = 5000; break; // ACROPHONIC THESPIAN FIVE THOUSAND 276 case 0x010174: retval = 50; break; // ACROPHONIC STRATIAN FIFTY MNAS 277 case 0x010341: retval = 90; break; // GOTHIC LETTER NINETY 278 case 0x01034A: retval = 900; break; // GOTHIC LETTER NINE HUNDRED 279 case 0x0103D5: retval = 100; break; // OLD PERSIAN NUMBER HUNDRED 280 case 0x01085D: retval = 100; break; // IMPERIAL ARAMAIC NUMBER ONE HUNDRED 281 case 0x01085E: retval = 1000; break; // IMPERIAL ARAMAIC NUMBER ONE THOUSAND 282 case 0x01085F: retval = 10000; break; // IMPERIAL ARAMAIC NUMBER TEN THOUSAND 283 case 0x010919: retval = 100; break; // PHOENICIAN NUMBER ONE HUNDRED 284 case 0x010A46: retval = 100; break; // KHAROSHTHI NUMBER ONE HUNDRED 285 case 0x010A47: retval = 1000; break; // KHAROSHTHI NUMBER ONE THOUSAND 286 case 0x010A7E: retval = 50; break; // OLD SOUTH ARABIAN NUMBER FIFTY 287 case 0x010B5E: retval = 100; break; // INSCRIPTIONAL PARTHIAN NUMBER ONE HUNDRED 288 case 0x010B5F: retval = 1000; break; // INSCRIPTIONAL PARTHIAN NUMBER ONE THOUSAND 289 case 0x010B7E: retval = 100; break; // INSCRIPTIONAL PAHLAVI NUMBER ONE HUNDRED 290 case 0x010B7F: retval = 1000; break; // INSCRIPTIONAL PAHLAVI NUMBER ONE THOUSAND 291 case 0x010E6C: retval = 40; break; // RUMI NUMBER FORTY 292 case 0x010E6D: retval = 50; break; // RUMI NUMBER FIFTY 293 case 0x010E6E: retval = 60; break; // RUMI NUMBER SIXTY 294 case 0x010E6F: retval = 70; break; // RUMI NUMBER SEVENTY 295 case 0x010E70: retval = 80; break; // RUMI NUMBER EIGHTY 296 case 0x010E71: retval = 90; break; // RUMI NUMBER NINETY 297 case 0x010E72: retval = 100; break; // RUMI NUMBER ONE HUNDRED 298 case 0x010E73: retval = 200; break; // RUMI NUMBER TWO HUNDRED 299 case 0x010E74: retval = 300; break; // RUMI NUMBER THREE HUNDRED 300 case 0x010E75: retval = 400; break; // RUMI NUMBER FOUR HUNDRED 301 case 0x010E76: retval = 500; break; // RUMI NUMBER FIVE HUNDRED 302 case 0x010E77: retval = 600; break; // RUMI NUMBER SIX HUNDRED 303 case 0x010E78: retval = 700; break; // RUMI NUMBER SEVEN HUNDRED 304 case 0x010E79: retval = 800; break; // RUMI NUMBER EIGHT HUNDRED 305 case 0x010E7A: retval = 900; break; // RUMI NUMBER NINE HUNDRED 306 case 0x01105E: retval = 40; break; // BRAHMI NUMBER FORTY 307 case 0x01105F: retval = 50; break; // BRAHMI NUMBER FIFTY 308 case 0x011060: retval = 60; break; // BRAHMI NUMBER SIXTY 309 case 0x011061: retval = 70; break; // BRAHMI NUMBER SEVENTY 310 case 0x011062: retval = 80; break; // BRAHMI NUMBER EIGHTY 311 case 0x011063: retval = 90; break; // BRAHMI NUMBER NINETY 312 case 0x011064: retval = 100; break; // BRAHMI NUMBER ONE HUNDRED 313 case 0x011065: retval = 1000; break; // BRAHMI NUMBER ONE THOUSAND 314 case 0x012432: retval = 216000; break; // CUNEIFORM NUMERIC SIGN SHAR2 TIMES GAL PLUS DISH 315 case 0x012433: retval = 432000; break; // CUNEIFORM NUMERIC SIGN SHAR2 TIMES GAL PLUS MIN 316 case 0x01D36C: retval = 40; break; // COUNTING ROD TENS DIGIT FOUR 317 case 0x01D36D: retval = 50; break; // COUNTING ROD TENS DIGIT FIVE 318 case 0x01D36E: retval = 60; break; // COUNTING ROD TENS DIGIT SIX 319 case 0x01D36F: retval = 70; break; // COUNTING ROD TENS DIGIT SEVEN 320 case 0x01D370: retval = 80; break; // COUNTING ROD TENS DIGIT EIGHT 321 case 0x01D371: retval = 90; break; // COUNTING ROD TENS DIGIT NINE 322 default: retval = -2; break; 323 } 324 325 break; 326 case ($$valueJavaSupradecimal): // Java supradecimal 327 retval = (ch + ((val & $$maskDigitOffset) >> $$shiftDigitOffset) & $$maskDigit) + 10; 328 break; 329 } 330 return retval; 331 } 332 333 boolean isWhitespace(int ch) { 334 int props = getProperties(ch); 335 return ((props & $$maskIdentifierInfo) == $$valueJavaWhitespace); 336 } 337 338 byte getDirectionality(int ch) { 339 int val = getProperties(ch); 340 byte directionality = (byte)((val & $$maskBidi) >> $$shiftBidi); 341 if (directionality == 0xF ) { 342 directionality = Character.DIRECTIONALITY_UNDEFINED; 343 } 344 return directionality; 345 } 346 347 boolean isMirrored(int ch) { 348 int props = getProperties(ch); 349 return ((props & $$maskMirrored) != 0); 350 } 351 352 static final CharacterData instance = new CharacterData01(); 353 private CharacterData01() {}; 354 355 $$Tables 356 357 static { 358 $$Initializers 359 } 360 }