hg/bck2brwsr: rt/emul/compact/src/main/java/java/util/regex/ASCII.java@bca65655b36b

     1 /*

     2  * Copyright (c) 1999, 2000, 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  */

    26 package java.util.regex;

    29 /**

    30  * Utility class that implements the standard C ctype functionality.

    31  *

    32  * @author Hong Zhang

    33  */

    35 final class ASCII {

    37     static final int UPPER   = 0x00000100;

    39     static final int LOWER   = 0x00000200;

    41     static final int DIGIT   = 0x00000400;

    43     static final int SPACE   = 0x00000800;

    45     static final int PUNCT   = 0x00001000;

    47     static final int CNTRL   = 0x00002000;

    49     static final int BLANK   = 0x00004000;

    51     static final int HEX     = 0x00008000;

    53     static final int UNDER   = 0x00010000;

    55     static final int ASCII   = 0x0000FF00;

    57     static final int ALPHA   = (UPPER|LOWER);

    59     static final int ALNUM   = (UPPER|LOWER|DIGIT);

    61     static final int GRAPH   = (PUNCT|UPPER|LOWER|DIGIT);

    63     static final int WORD    = (UPPER|LOWER|UNDER|DIGIT);

    65     static final int XDIGIT  = (HEX);

    67     private static final int[] ctype = new int[] {

    68         CNTRL,                  /* 00 (NUL) */

    69         CNTRL,                  /* 01 (SOH) */

    70         CNTRL,                  /* 02 (STX) */

    71         CNTRL,                  /* 03 (ETX) */

    72         CNTRL,                  /* 04 (EOT) */

    73         CNTRL,                  /* 05 (ENQ) */

    74         CNTRL,                  /* 06 (ACK) */

    75         CNTRL,                  /* 07 (BEL) */

    76         CNTRL,                  /* 08 (BS)  */

    77         SPACE+CNTRL+BLANK,      /* 09 (HT)  */

    78         SPACE+CNTRL,            /* 0A (LF)  */

    79         SPACE+CNTRL,            /* 0B (VT)  */

    80         SPACE+CNTRL,            /* 0C (FF)  */

    81         SPACE+CNTRL,            /* 0D (CR)  */

    82         CNTRL,                  /* 0E (SI)  */

    83         CNTRL,                  /* 0F (SO)  */

    84         CNTRL,                  /* 10 (DLE) */

    85         CNTRL,                  /* 11 (DC1) */

    86         CNTRL,                  /* 12 (DC2) */

    87         CNTRL,                  /* 13 (DC3) */

    88         CNTRL,                  /* 14 (DC4) */

    89         CNTRL,                  /* 15 (NAK) */

    90         CNTRL,                  /* 16 (SYN) */

    91         CNTRL,                  /* 17 (ETB) */

    92         CNTRL,                  /* 18 (CAN) */

    93         CNTRL,                  /* 19 (EM)  */

    94         CNTRL,                  /* 1A (SUB) */

    95         CNTRL,                  /* 1B (ESC) */

    96         CNTRL,                  /* 1C (FS)  */

    97         CNTRL,                  /* 1D (GS)  */

    98         CNTRL,                  /* 1E (RS)  */

    99         CNTRL,                  /* 1F (US)  */

   100         SPACE+BLANK,            /* 20 SPACE */

   101         PUNCT,                  /* 21 !     */

   102         PUNCT,                  /* 22 "     */

   103         PUNCT,                  /* 23 #     */

   104         PUNCT,                  /* 24 $     */

   105         PUNCT,                  /* 25 %     */

   106         PUNCT,                  /* 26 &     */

   107         PUNCT,                  /* 27 '     */

   108         PUNCT,                  /* 28 (     */

   109         PUNCT,                  /* 29 )     */

   110         PUNCT,                  /* 2A *     */

   111         PUNCT,                  /* 2B +     */

   112         PUNCT,                  /* 2C ,     */

   113         PUNCT,                  /* 2D -     */

   114         PUNCT,                  /* 2E .     */

   115         PUNCT,                  /* 2F /     */

   116         DIGIT+HEX+0,            /* 30 0     */

   117         DIGIT+HEX+1,            /* 31 1     */

   118         DIGIT+HEX+2,            /* 32 2     */

   119         DIGIT+HEX+3,            /* 33 3     */

   120         DIGIT+HEX+4,            /* 34 4     */

   121         DIGIT+HEX+5,            /* 35 5     */

   122         DIGIT+HEX+6,            /* 36 6     */

   123         DIGIT+HEX+7,            /* 37 7     */

   124         DIGIT+HEX+8,            /* 38 8     */

   125         DIGIT+HEX+9,            /* 39 9     */

   126         PUNCT,                  /* 3A :     */

   127         PUNCT,                  /* 3B ;     */

   128         PUNCT,                  /* 3C <     */

   129         PUNCT,                  /* 3D =     */

   130         PUNCT,                  /* 3E >     */

   131         PUNCT,                  /* 3F ?     */

   132         PUNCT,                  /* 40 @     */

   133         UPPER+HEX+10,           /* 41 A     */

   134         UPPER+HEX+11,           /* 42 B     */

   135         UPPER+HEX+12,           /* 43 C     */

   136         UPPER+HEX+13,           /* 44 D     */

   137         UPPER+HEX+14,           /* 45 E     */

   138         UPPER+HEX+15,           /* 46 F     */

   139         UPPER+16,               /* 47 G     */

   140         UPPER+17,               /* 48 H     */

   141         UPPER+18,               /* 49 I     */

   142         UPPER+19,               /* 4A J     */

   143         UPPER+20,               /* 4B K     */

   144         UPPER+21,               /* 4C L     */

   145         UPPER+22,               /* 4D M     */

   146         UPPER+23,               /* 4E N     */

   147         UPPER+24,               /* 4F O     */

   148         UPPER+25,               /* 50 P     */

   149         UPPER+26,               /* 51 Q     */

   150         UPPER+27,               /* 52 R     */

   151         UPPER+28,               /* 53 S     */

   152         UPPER+29,               /* 54 T     */

   153         UPPER+30,               /* 55 U     */

   154         UPPER+31,               /* 56 V     */

   155         UPPER+32,               /* 57 W     */

   156         UPPER+33,               /* 58 X     */

   157         UPPER+34,               /* 59 Y     */

   158         UPPER+35,               /* 5A Z     */

   159         PUNCT,                  /* 5B [     */

   160         PUNCT,                  /* 5C \     */

   161         PUNCT,                  /* 5D ]     */

   162         PUNCT,                  /* 5E ^     */

   163         PUNCT|UNDER,            /* 5F _     */

   164         PUNCT,                  /* 60 `     */

   165         LOWER+HEX+10,           /* 61 a     */

   166         LOWER+HEX+11,           /* 62 b     */

   167         LOWER+HEX+12,           /* 63 c     */

   168         LOWER+HEX+13,           /* 64 d     */

   169         LOWER+HEX+14,           /* 65 e     */

   170         LOWER+HEX+15,           /* 66 f     */

   171         LOWER+16,               /* 67 g     */

   172         LOWER+17,               /* 68 h     */

   173         LOWER+18,               /* 69 i     */

   174         LOWER+19,               /* 6A j     */

   175         LOWER+20,               /* 6B k     */

   176         LOWER+21,               /* 6C l     */

   177         LOWER+22,               /* 6D m     */

   178         LOWER+23,               /* 6E n     */

   179         LOWER+24,               /* 6F o     */

   180         LOWER+25,               /* 70 p     */

   181         LOWER+26,               /* 71 q     */

   182         LOWER+27,               /* 72 r     */

   183         LOWER+28,               /* 73 s     */

   184         LOWER+29,               /* 74 t     */

   185         LOWER+30,               /* 75 u     */

   186         LOWER+31,               /* 76 v     */

   187         LOWER+32,               /* 77 w     */

   188         LOWER+33,               /* 78 x     */

   189         LOWER+34,               /* 79 y     */

   190         LOWER+35,               /* 7A z     */

   191         PUNCT,                  /* 7B {     */

   192         PUNCT,                  /* 7C |     */

   193         PUNCT,                  /* 7D }     */

   194         PUNCT,                  /* 7E ~     */

   195         CNTRL,                  /* 7F (DEL) */

   196     };

   198     static int getType(int ch) {

   199         return ((ch & 0xFFFFFF80) == 0 ? ctype[ch] : 0);

   200     }

   202     static boolean isType(int ch, int type) {

   203         return (getType(ch) & type) != 0;

   204     }

   206     static boolean isAscii(int ch) {

   207         return ((ch & 0xFFFFFF80) == 0);

   208     }

   210     static boolean isAlpha(int ch) {

   211         return isType(ch, ALPHA);

   212     }

   214     static boolean isDigit(int ch) {

   215         return ((ch-'0')|('9'-ch)) >= 0;

   216     }

   218     static boolean isAlnum(int ch) {

   219         return isType(ch, ALNUM);

   220     }

   222     static boolean isGraph(int ch) {

   223         return isType(ch, GRAPH);

   224     }

   226     static boolean isPrint(int ch) {

   227         return ((ch-0x20)|(0x7E-ch)) >= 0;

   228     }

   230     static boolean isPunct(int ch) {

   231         return isType(ch, PUNCT);

   232     }

   234     static boolean isSpace(int ch) {

   235         return isType(ch, SPACE);

   236     }

   238     static boolean isHexDigit(int ch) {

   239         return isType(ch, HEX);

   240     }

   242     static boolean isOctDigit(int ch) {

   243         return ((ch-'0')|('7'-ch)) >= 0;

   244     }

   246     static boolean isCntrl(int ch) {

   247         return isType(ch, CNTRL);

   248     }

   250     static boolean isLower(int ch) {

   251         return ((ch-'a')|('z'-ch)) >= 0;

   252     }

   254     static boolean isUpper(int ch) {

   255         return ((ch-'A')|('Z'-ch)) >= 0;

   256     }

   258     static boolean isWord(int ch) {

   259         return isType(ch, WORD);

   260     }

   262     static int toDigit(int ch) {

   263         return (ctype[ch & 0x7F] & 0x3F);

   264     }

   266     static int toLower(int ch) {

   267         return isUpper(ch) ? (ch + 0x20) : ch;

   268     }

   270     static int toUpper(int ch) {

   271         return isLower(ch) ? (ch - 0x20) : ch;

   272     }

   274 }

author	Jaroslav Tulach <jtulach@netbeans.org>
	Mon, 07 Oct 2013 16:13:27 +0200
branch	jdk7-b147
changeset 1348	bca65655b36b
permissions	-rw-r--r--