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
240 }
241
242 static boolean isOctDigit(int ch) {
243 return ((ch-'0')|('7'-ch)) >= 0;
244 }
245
246 static boolean isCntrl(int ch) {
247 return isType(ch, CNTRL);
248 }
249
250 static boolean isLower(int ch) {
251 return ((ch-'a')|('z'-ch)) >= 0;
252 }
253
254 static boolean isUpper(int ch) {
255 return ((ch-'A')|('Z'-ch)) >= 0;
256 }
257
258 static boolean isWord(int ch) {
259 return isType(ch, WORD);
260 }
261
262 static int toDigit(int ch) {
263 return (ctype[ch & 0x7F] & 0x3F);
264 }
265
266 static int toLower(int ch) {
267 return isUpper(ch) ? (ch + 0x20) : ch;
268 }
269
270 static int toUpper(int ch) {
271 return isLower(ch) ? (ch - 0x20) : ch;
272 }
273
274 }
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1 /*
2 * Copyright (c) 1999, 2019, 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
240 }
241
242 static boolean isOctDigit(int ch) {
243 return ((ch-'0')|('7'-ch)) >= 0;
244 }
245
246 static boolean isCntrl(int ch) {
247 return isType(ch, CNTRL);
248 }
249
250 static boolean isLower(int ch) {
251 return ((ch-'a')|('z'-ch)) >= 0;
252 }
253
254 static boolean isUpper(int ch) {
255 return ((ch-'A')|('Z'-ch)) >= 0;
256 }
257
258 static boolean isWord(int ch) {
259 return isType(ch, WORD);
260 }
261
262 static boolean isCntrlId(int ch) {
263 return ((ch-0x3f)|(0x5f-ch)) >= 0;
264 }
265
266 static int toDigit(int ch) {
267 return (ctype[ch & 0x7F] & 0x3F);
268 }
269
270 static int toLower(int ch) {
271 return isUpper(ch) ? (ch + 0x20) : ch;
272 }
273
274 static int toUpper(int ch) {
275 return isLower(ch) ? (ch - 0x20) : ch;
276 }
277
278 }
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