1 /*
2 * Copyright (c) 2005, 2015, 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
24 */
25 /*
26 *******************************************************************************
27 *
28 * Copyright (C) 2004-2014, International Business Machines
29 * Corporation and others. All Rights Reserved.
30 *
31 *******************************************************************************
32 * file name: UBiDiProps.java
33 * encoding: US-ASCII
34 * tab size: 8 (not used)
35 * indentation:4
36 *
37 * created on: 2005jan16
38 * created by: Markus W. Scherer
39 *
40 * Low-level Unicode bidi/shaping properties access.
41 * Java port of ubidi_props.h/.c.
42 */
43
44 package sun.text.normalizer;
45
46 import java.io.IOException;
47 import java.nio.ByteBuffer;
48 import java.util.MissingResourceException;
49
50 public final class UBiDiProps {
51 // constructors etc. --------------------------------------------------- ***
52
53 // port of ubidi_openProps()
54 private UBiDiProps() throws IOException{
55 ByteBuffer bytes=ICUBinary.getRequiredData(DATA_FILE_NAME);
56 readData(bytes);
57 }
58
59 private void readData(ByteBuffer bytes) throws IOException {
60 // read the header
61 ICUBinary.readHeader(bytes, FMT, new IsAcceptable());
62
63 // read indexes[]
64 int i, count;
179 }
180
181 public final int getPairedBracket(int c) {
182 int props=trie.get(c);
183 if((props&BPT_MASK)==0) {
184 return c;
185 } else {
186 return getMirror(c, props);
187 }
188 }
189
190 // data members -------------------------------------------------------- ***
191 private int indexes[];
192 private int mirrors[];
193 private byte jgArray[];
194 private byte jgArray2[];
195
196 private Trie2_16 trie;
197
198 // data format constants ----------------------------------------------- ***
199 private static final String DATA_FILE_NAME = "/sun/text/resources/ubidi.icu";
200
201 /* format "BiDi" */
202 private static final int FMT=0x42694469;
203
204 /* indexes into indexes[] */
205 private static final int IX_TRIE_SIZE=2;
206 private static final int IX_MIRROR_LENGTH=3;
207
208 private static final int IX_JG_START=4;
209 private static final int IX_JG_LIMIT=5;
210 private static final int IX_JG_START2=6; /* new in format version 2.2, ICU 54 */
211 private static final int IX_JG_LIMIT2=7;
212
213 private static final int IX_TOP=16;
214
215 // definitions for 16-bit bidi/shaping properties word ----------------- ***
216
217 /* CLASS_SHIFT=0, */ /* bidi class: 5 bits (4..0) */
218 private static final int JT_SHIFT=5; /* joining type: 3 bits (7..5) */
219
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1 /*
2 * Copyright (c) 2005, 2020, 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
24 */
25 /*
26 *******************************************************************************
27 *
28 * Copyright (C) 2004-2014, International Business Machines
29 * Corporation and others. All Rights Reserved.
30 *
31 *******************************************************************************
32 * file name: UBiDiProps.java
33 * encoding: US-ASCII
34 * tab size: 8 (not used)
35 * indentation:4
36 *
37 * created on: 2005jan16
38 * created by: Markus W. Scherer
39 *
40 * Low-level Unicode bidi/shaping properties access.
41 * Java port of ubidi_props.h/.c.
42 */
43
44 package jdk.internal.icu.impl;
45
46 import jdk.internal.icu.lang.UCharacter;
47 import jdk.internal.icu.util.VersionInfo;
48
49 import java.io.IOException;
50 import java.nio.ByteBuffer;
51 import java.util.MissingResourceException;
52
53 public final class UBiDiProps {
54 // constructors etc. --------------------------------------------------- ***
55
56 // port of ubidi_openProps()
57 private UBiDiProps() throws IOException{
58 ByteBuffer bytes=ICUBinary.getRequiredData(DATA_FILE_NAME);
59 readData(bytes);
60 }
61
62 private void readData(ByteBuffer bytes) throws IOException {
63 // read the header
64 ICUBinary.readHeader(bytes, FMT, new IsAcceptable());
65
66 // read indexes[]
67 int i, count;
182 }
183
184 public final int getPairedBracket(int c) {
185 int props=trie.get(c);
186 if((props&BPT_MASK)==0) {
187 return c;
188 } else {
189 return getMirror(c, props);
190 }
191 }
192
193 // data members -------------------------------------------------------- ***
194 private int indexes[];
195 private int mirrors[];
196 private byte jgArray[];
197 private byte jgArray2[];
198
199 private Trie2_16 trie;
200
201 // data format constants ----------------------------------------------- ***
202 @SuppressWarnings("deprecation")
203 private static final String DATA_FILE_NAME =
204 "/jdk/internal/icu/impl/data/icudt" +
205 VersionInfo.ICU_DATA_VERSION_PATH +
206 "/ubidi.icu";
207
208 /* format "BiDi" */
209 private static final int FMT=0x42694469;
210
211 /* indexes into indexes[] */
212 private static final int IX_TRIE_SIZE=2;
213 private static final int IX_MIRROR_LENGTH=3;
214
215 private static final int IX_JG_START=4;
216 private static final int IX_JG_LIMIT=5;
217 private static final int IX_JG_START2=6; /* new in format version 2.2, ICU 54 */
218 private static final int IX_JG_LIMIT2=7;
219
220 private static final int IX_TOP=16;
221
222 // definitions for 16-bit bidi/shaping properties word ----------------- ***
223
224 /* CLASS_SHIFT=0, */ /* bidi class: 5 bits (4..0) */
225 private static final int JT_SHIFT=5; /* joining type: 3 bits (7..5) */
226
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