1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/rt/emul/compact/src/main/java/java/util/regex/ASCII.java Mon Oct 07 16:13:27 2013 +0200
1.3 @@ -0,0 +1,274 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2000, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package java.util.regex;
1.30 +
1.31 +
1.32 +/**
1.33 + * Utility class that implements the standard C ctype functionality.
1.34 + *
1.35 + * @author Hong Zhang
1.36 + */
1.37 +
1.38 +final class ASCII {
1.39 +
1.40 + static final int UPPER = 0x00000100;
1.41 +
1.42 + static final int LOWER = 0x00000200;
1.43 +
1.44 + static final int DIGIT = 0x00000400;
1.45 +
1.46 + static final int SPACE = 0x00000800;
1.47 +
1.48 + static final int PUNCT = 0x00001000;
1.49 +
1.50 + static final int CNTRL = 0x00002000;
1.51 +
1.52 + static final int BLANK = 0x00004000;
1.53 +
1.54 + static final int HEX = 0x00008000;
1.55 +
1.56 + static final int UNDER = 0x00010000;
1.57 +
1.58 + static final int ASCII = 0x0000FF00;
1.59 +
1.60 + static final int ALPHA = (UPPER|LOWER);
1.61 +
1.62 + static final int ALNUM = (UPPER|LOWER|DIGIT);
1.63 +
1.64 + static final int GRAPH = (PUNCT|UPPER|LOWER|DIGIT);
1.65 +
1.66 + static final int WORD = (UPPER|LOWER|UNDER|DIGIT);
1.67 +
1.68 + static final int XDIGIT = (HEX);
1.69 +
1.70 + private static final int[] ctype = new int[] {
1.71 + CNTRL, /* 00 (NUL) */
1.72 + CNTRL, /* 01 (SOH) */
1.73 + CNTRL, /* 02 (STX) */
1.74 + CNTRL, /* 03 (ETX) */
1.75 + CNTRL, /* 04 (EOT) */
1.76 + CNTRL, /* 05 (ENQ) */
1.77 + CNTRL, /* 06 (ACK) */
1.78 + CNTRL, /* 07 (BEL) */
1.79 + CNTRL, /* 08 (BS) */
1.80 + SPACE+CNTRL+BLANK, /* 09 (HT) */
1.81 + SPACE+CNTRL, /* 0A (LF) */
1.82 + SPACE+CNTRL, /* 0B (VT) */
1.83 + SPACE+CNTRL, /* 0C (FF) */
1.84 + SPACE+CNTRL, /* 0D (CR) */
1.85 + CNTRL, /* 0E (SI) */
1.86 + CNTRL, /* 0F (SO) */
1.87 + CNTRL, /* 10 (DLE) */
1.88 + CNTRL, /* 11 (DC1) */
1.89 + CNTRL, /* 12 (DC2) */
1.90 + CNTRL, /* 13 (DC3) */
1.91 + CNTRL, /* 14 (DC4) */
1.92 + CNTRL, /* 15 (NAK) */
1.93 + CNTRL, /* 16 (SYN) */
1.94 + CNTRL, /* 17 (ETB) */
1.95 + CNTRL, /* 18 (CAN) */
1.96 + CNTRL, /* 19 (EM) */
1.97 + CNTRL, /* 1A (SUB) */
1.98 + CNTRL, /* 1B (ESC) */
1.99 + CNTRL, /* 1C (FS) */
1.100 + CNTRL, /* 1D (GS) */
1.101 + CNTRL, /* 1E (RS) */
1.102 + CNTRL, /* 1F (US) */
1.103 + SPACE+BLANK, /* 20 SPACE */
1.104 + PUNCT, /* 21 ! */
1.105 + PUNCT, /* 22 " */
1.106 + PUNCT, /* 23 # */
1.107 + PUNCT, /* 24 $ */
1.108 + PUNCT, /* 25 % */
1.109 + PUNCT, /* 26 & */
1.110 + PUNCT, /* 27 ' */
1.111 + PUNCT, /* 28 ( */
1.112 + PUNCT, /* 29 ) */
1.113 + PUNCT, /* 2A * */
1.114 + PUNCT, /* 2B + */
1.115 + PUNCT, /* 2C , */
1.116 + PUNCT, /* 2D - */
1.117 + PUNCT, /* 2E . */
1.118 + PUNCT, /* 2F / */
1.119 + DIGIT+HEX+0, /* 30 0 */
1.120 + DIGIT+HEX+1, /* 31 1 */
1.121 + DIGIT+HEX+2, /* 32 2 */
1.122 + DIGIT+HEX+3, /* 33 3 */
1.123 + DIGIT+HEX+4, /* 34 4 */
1.124 + DIGIT+HEX+5, /* 35 5 */
1.125 + DIGIT+HEX+6, /* 36 6 */
1.126 + DIGIT+HEX+7, /* 37 7 */
1.127 + DIGIT+HEX+8, /* 38 8 */
1.128 + DIGIT+HEX+9, /* 39 9 */
1.129 + PUNCT, /* 3A : */
1.130 + PUNCT, /* 3B ; */
1.131 + PUNCT, /* 3C < */
1.132 + PUNCT, /* 3D = */
1.133 + PUNCT, /* 3E > */
1.134 + PUNCT, /* 3F ? */
1.135 + PUNCT, /* 40 @ */
1.136 + UPPER+HEX+10, /* 41 A */
1.137 + UPPER+HEX+11, /* 42 B */
1.138 + UPPER+HEX+12, /* 43 C */
1.139 + UPPER+HEX+13, /* 44 D */
1.140 + UPPER+HEX+14, /* 45 E */
1.141 + UPPER+HEX+15, /* 46 F */
1.142 + UPPER+16, /* 47 G */
1.143 + UPPER+17, /* 48 H */
1.144 + UPPER+18, /* 49 I */
1.145 + UPPER+19, /* 4A J */
1.146 + UPPER+20, /* 4B K */
1.147 + UPPER+21, /* 4C L */
1.148 + UPPER+22, /* 4D M */
1.149 + UPPER+23, /* 4E N */
1.150 + UPPER+24, /* 4F O */
1.151 + UPPER+25, /* 50 P */
1.152 + UPPER+26, /* 51 Q */
1.153 + UPPER+27, /* 52 R */
1.154 + UPPER+28, /* 53 S */
1.155 + UPPER+29, /* 54 T */
1.156 + UPPER+30, /* 55 U */
1.157 + UPPER+31, /* 56 V */
1.158 + UPPER+32, /* 57 W */
1.159 + UPPER+33, /* 58 X */
1.160 + UPPER+34, /* 59 Y */
1.161 + UPPER+35, /* 5A Z */
1.162 + PUNCT, /* 5B [ */
1.163 + PUNCT, /* 5C \ */
1.164 + PUNCT, /* 5D ] */
1.165 + PUNCT, /* 5E ^ */
1.166 + PUNCT|UNDER, /* 5F _ */
1.167 + PUNCT, /* 60 ` */
1.168 + LOWER+HEX+10, /* 61 a */
1.169 + LOWER+HEX+11, /* 62 b */
1.170 + LOWER+HEX+12, /* 63 c */
1.171 + LOWER+HEX+13, /* 64 d */
1.172 + LOWER+HEX+14, /* 65 e */
1.173 + LOWER+HEX+15, /* 66 f */
1.174 + LOWER+16, /* 67 g */
1.175 + LOWER+17, /* 68 h */
1.176 + LOWER+18, /* 69 i */
1.177 + LOWER+19, /* 6A j */
1.178 + LOWER+20, /* 6B k */
1.179 + LOWER+21, /* 6C l */
1.180 + LOWER+22, /* 6D m */
1.181 + LOWER+23, /* 6E n */
1.182 + LOWER+24, /* 6F o */
1.183 + LOWER+25, /* 70 p */
1.184 + LOWER+26, /* 71 q */
1.185 + LOWER+27, /* 72 r */
1.186 + LOWER+28, /* 73 s */
1.187 + LOWER+29, /* 74 t */
1.188 + LOWER+30, /* 75 u */
1.189 + LOWER+31, /* 76 v */
1.190 + LOWER+32, /* 77 w */
1.191 + LOWER+33, /* 78 x */
1.192 + LOWER+34, /* 79 y */
1.193 + LOWER+35, /* 7A z */
1.194 + PUNCT, /* 7B { */
1.195 + PUNCT, /* 7C | */
1.196 + PUNCT, /* 7D } */
1.197 + PUNCT, /* 7E ~ */
1.198 + CNTRL, /* 7F (DEL) */
1.199 + };
1.200 +
1.201 + static int getType(int ch) {
1.202 + return ((ch & 0xFFFFFF80) == 0 ? ctype[ch] : 0);
1.203 + }
1.204 +
1.205 + static boolean isType(int ch, int type) {
1.206 + return (getType(ch) & type) != 0;
1.207 + }
1.208 +
1.209 + static boolean isAscii(int ch) {
1.210 + return ((ch & 0xFFFFFF80) == 0);
1.211 + }
1.212 +
1.213 + static boolean isAlpha(int ch) {
1.214 + return isType(ch, ALPHA);
1.215 + }
1.216 +
1.217 + static boolean isDigit(int ch) {
1.218 + return ((ch-'0')|('9'-ch)) >= 0;
1.219 + }
1.220 +
1.221 + static boolean isAlnum(int ch) {
1.222 + return isType(ch, ALNUM);
1.223 + }
1.224 +
1.225 + static boolean isGraph(int ch) {
1.226 + return isType(ch, GRAPH);
1.227 + }
1.228 +
1.229 + static boolean isPrint(int ch) {
1.230 + return ((ch-0x20)|(0x7E-ch)) >= 0;
1.231 + }
1.232 +
1.233 + static boolean isPunct(int ch) {
1.234 + return isType(ch, PUNCT);
1.235 + }
1.236 +
1.237 + static boolean isSpace(int ch) {
1.238 + return isType(ch, SPACE);
1.239 + }
1.240 +
1.241 + static boolean isHexDigit(int ch) {
1.242 + return isType(ch, HEX);
1.243 + }
1.244 +
1.245 + static boolean isOctDigit(int ch) {
1.246 + return ((ch-'0')|('7'-ch)) >= 0;
1.247 + }
1.248 +
1.249 + static boolean isCntrl(int ch) {
1.250 + return isType(ch, CNTRL);
1.251 + }
1.252 +
1.253 + static boolean isLower(int ch) {
1.254 + return ((ch-'a')|('z'-ch)) >= 0;
1.255 + }
1.256 +
1.257 + static boolean isUpper(int ch) {
1.258 + return ((ch-'A')|('Z'-ch)) >= 0;
1.259 + }
1.260 +
1.261 + static boolean isWord(int ch) {
1.262 + return isType(ch, WORD);
1.263 + }
1.264 +
1.265 + static int toDigit(int ch) {
1.266 + return (ctype[ch & 0x7F] & 0x3F);
1.267 + }
1.268 +
1.269 + static int toLower(int ch) {
1.270 + return isUpper(ch) ? (ch + 0x20) : ch;
1.271 + }
1.272 +
1.273 + static int toUpper(int ch) {
1.274 + return isLower(ch) ? (ch - 0x20) : ch;
1.275 + }
1.276 +
1.277 +}