1 /*
2 * Copyright (c) 2002, 2018, 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 $PACKAGE$;
27
28 import java.nio.ByteBuffer;
29 import java.nio.CharBuffer;
30 import java.nio.charset.Charset;
31 import java.nio.charset.CharsetDecoder;
32 import java.nio.charset.CharsetEncoder;
33 import java.nio.charset.CoderResult;
34 import sun.nio.cs.HistoricallyNamedCharset;
35 import sun.nio.cs.DelegatableDecoder;
36 import sun.nio.cs.DoubleByte;
37 import sun.nio.cs.Surrogate;
38 import sun.nio.cs.SingleByte;
39 import sun.nio.cs.*;
40 import static sun.nio.cs.CharsetMapping.*;
41
42 public class IBM33722
43 extends Charset
44 implements HistoricallyNamedCharset
45 {
46 public IBM33722() {
47 super("x-IBM33722", $ALIASES$);
48 }
49
50 public String historicalName() {
51 return "Cp33722";
52 }
53
54 public boolean contains(Charset cs) {
55 return ((cs.name().equals("US-ASCII"))
56 || (cs instanceof IBM33722));
57 }
58
59 public CharsetDecoder newDecoder() {
60 return new Decoder(this);
61 }
62
63 public CharsetEncoder newEncoder() {
64 return new Encoder(this);
65 }
66
67 private static class Decoder extends IBM29626C.Decoder {
68
69 private final String G2_b = "\uA1F1\uA1F2\uA2CC";
70
71 private final String G2_c = "\uFFE0\uFFE1\uFFE2";
72
73 private final String G3_b =
74 "\uF3B8\uF3B9\uF3AB\uF3AC\uF3AD\uF3AE\uF3AF\uF3B0\uF3B1\uF3B2"+
75 "\uF3B3\uF3B4\uF3A1\uF3A2\uF3A3\uF3A4\uF3A5\uF3A6\uF3A7\uF3A8"+
76 "\uF3A9\uF3AA\uF3B7\uF4A2\uF4A3\uF4A4\uF4A5\uF4A6\uF4A8\uF4A9"+
77 "\uF4AC\uF4AE\uF4AF\uF4B0\uF4B2\uF4B3\uF4B4\uF4B5\uF4B6\uF4B7"+
78 "\uF4BA\uF4BD\uF4BE\uF4C0\uF4BF\uF4C2\uF4A1\uF4C6\uF4C7\uF4C8"+
79 "\uF4CB\uF4D0\uF4D4\uF4D5\uF4D7\uF4D9\uF4DC\uF4DF\uF4E0\uF4E1"+
80 "\uF4E5\uF4E7\uF4EA\uF4ED\uF4EE\uF4EF\uF4F4\uF4F5\uF4F6\uF4F8"+
81 "\uF4B9\uF4EB\uF4A7\uF4AA\uF4AB\uF4B1\uF4B8\uF4BB\uF4BC\uF4C4"+
82 "\uF4C5\uF4C9\uF4CC\uF4CD\uF4CE\uF4CF\uF4D1\uF4D3\uF4D6\uF4D8"+
83 "\uF4DA\uF4DB\uF4DE\uF4E2\uF4E3\uF4E4\uF4E6\uF4E8\uF4E9\uF4EC"+
84 "\uF4F1\uF4F2\uF4F3\uF4F7\uF3B6\uF3B5";
85
86 private final String G3_c =
87 "\u2116\u2121\u2160\u2161\u2162\u2163\u2164\u2165\u2166\u2167"+
88 "\u2168\u2169\u2170\u2171\u2172\u2173\u2174\u2175\u2176\u2177"+
89 "\u2178\u2179\u3231\u4EFC\u50F4\u51EC\u5307\u5324\u548A\u5759"+
90 "\u589E\u5BEC\u5CF5\u5D53\u5FB7\u6085\u6120\u654E\u663B\u6665"+
91 "\u6801\u6A6B\u6AE2\u6DF2\u6DF8\u7028\u70BB\u7501\u7682\u769E"+
92 "\u7930\u7AE7\u7DA0\u7DD6\u8362\u85B0\u8807\u8B7F\u8CF4\u8D76"+
93 "\u90DE\u9115\u9592\u973B\u974D\u9751\u999E\u9AD9\u9B72\u9ED1"+
94 "\uF929\uF9DC\uFA0E\uFA0F\uFA10\uFA11\uFA12\uFA13\uFA14\uFA15"+
95 "\uFA16\uFA17\uFA18\uFA19\uFA1A\uFA1B\uFA1C\uFA1D\uFA1E\uFA1F"+
96 "\uFA20\uFA21\uFA22\uFA23\uFA24\uFA25\uFA26\uFA27\uFA28\uFA29"+
97 "\uFA2A\uFA2B\uFA2C\uFA2D\uFF02\uFF07";
98
99 private final SingleByte.Decoder dec0201;
100 private final DoubleByte.Decoder dec0208;
101 private final DoubleByte.Decoder dec0212;
102
103 protected Decoder(Charset cs) {
104 super(cs);
105 this.dec0201 = DEC0201;
106 this.dec0208 = DEC0208;
107 this.dec0212 = DEC0212;
108 }
109
110 protected char decodeSingle(int b) {
111 if (b == 0x5c)
112 return '\u00A5';
113 if (b == 0x7e)
114 return '\u203E';
115 if (b < 0x8e)
116 return (char) b;
117 if (b < 0x90)
118 return UNMAPPABLE_DECODING;
119 if (b < 0xa0)
120 return (char) b;
121 return UNMAPPABLE_DECODING;
122 }
123
124 final static String g1_c = "\u00a2\u00a3\u00ac\\\u007e";
125
126 protected char decodeDouble(int byte1, int byte2) {
127 if (byte1 == 0x8e) {
128 if (byte2 < 0x80)
129 return UNMAPPABLE_DECODING;
130 char c = dec0201.decode((byte)byte2);
131 if (byte2 >= 0xe0 && byte2 <= 0xe4)
132 c = g1_c.charAt(byte2 - 0xe0);
133 return c;
134 }
135 if ((byte1 >= 0xa1 && byte1 <= 0xfe)
136 && (byte2 >= 0xa1 && byte2 <= 0xfe)) {
137 char c = (char)((byte1 << 8) + byte2);
138 int idx = G2_b.indexOf(c);
139 if (idx > -1)
140 return G2_c.charAt(idx);
141 }
142 char ch = dec0208.decodeDouble(byte1 - 0x80, byte2 - 0x80);
143 if (ch == UNMAPPABLE_DECODING)
144 ch = decodeUDC(byte1, byte2, 0xe000);
145 return ch;
146 }
147
148 protected char decodeDoubleG3(int byte1, int byte2) {
149 if ((byte1 >= 0xa1 && byte1 <= 0xfe)
150 && (byte2 >= 0xa1 && byte2 <= 0xfe)) {
151 char c = (char)((byte1 << 8) + byte2);
152 int idx = G3_b.indexOf(c);
153 if (idx > -1)
154 return G3_c.charAt(idx);
155 }
156 char ch = dec0212.decodeDouble(byte1 - 0x80, byte2 - 0x80);
157 if (ch == '\u2116')
158 ch = UNMAPPABLE_DECODING;
159 if (ch != UNMAPPABLE_DECODING)
160 ch = ibm943.canEncode(ch) ? ch : UNMAPPABLE_DECODING;
161 if (ch == UNMAPPABLE_DECODING)
162 ch = decodeUDC(byte1, byte2, 0xe3ac);
163 return ch;
164 }
165 }
166
167 private static class Encoder extends IBM29626C.Encoder {
168
169 private final String G2_c =
170 "\u2015\u2225\u4FE0\u525D\u551E\u555E\u5699\u56CA\u5861\u5C5B"+
171 "\u5C62\u6414\u6451\u6522\u6805\u688E\u6D00\u6F1E\u6F51\u7006"+
172 "\u70FF\u7130\u7626\u79B1\u7C1E\u7E48\u7E61\u7E6B\u8141\u8346"+
173 "\u840A\u8523\u8741\u881F\u8EC0\u91AC\u91B1\u92CA\u9830\u9839"+
174 "\u985A\u9A52\u9DD7\u9E7C\u9EB4\u9EB5\uFF0D\uFF5E\uFFE0\uFFE1"+
175 "\uFFE2\uFFE4";
176
177 private final String G2_b =
178 "\uA1BD\uA1C2\uB6A2\uC7ED\uC0E6\uB0A2\uB3FA\uC7B9\uC5B6\uD6A2"+
179 "\uBCC8\uC1DF\uC4CF\uDAB9\uBAF4\uDBF4\uC6C2\uC2CD\uC8AE\uC6C2"+
180 "\uB6A2\uB1EB\uC1E9\uC5F8\uC3BD\uE5DA\uBDAB\uB7D2\uE7A6\uB7D5"+
181 "\uCDE9\uBED5\uB0A2\uCFB9\uB6ED\uBEDF\uC8B0\uB3FA\uCBCB\uF0F8"+
182 "\uC5BF\uC2CD\uB2AA\uB8B4\uB9ED\uCCCD\uA1DD\uA1C1\uA1F1\uA1F2"+
183 "\uA2CC\uA2C3";
184
185 private final String G3_c =
186 "\u2116\u2121\u2160\u2161\u2162\u2163\u2164\u2165\u2166\u2167"+
187 "\u2168\u2169\u2170\u2171\u2172\u2173\u2174\u2175\u2176\u2177"+
188 "\u2178\u2179\u3231\u4EFC\u50F4\u51EC\u5307\u5324\u548A\u5759"+
189 "\u589E\u5BEC\u5CF5\u5D53\u5FB7\u6085\u6120\u654E\u663B\u6665"+
190 "\u6801\u6A6B\u6AE2\u6DF2\u6DF8\u7028\u70BB\u7501\u7682\u769E"+
191 "\u7930\u7AE7\u7DA0\u7DD6\u8362\u85B0\u8807\u8B7F\u8CF4\u8D76"+
192 "\u8F91\u90DE\u9115\u9592\u973B\u974D\u9751\u999E\u9AD9\u9B72"+
193 "\u9ED1\uF86F\uF929\uF9DC\uFA0E\uFA0F\uFA10\uFA11\uFA12\uFA13"+
194 "\uFA14\uFA15\uFA16\uFA17\uFA18\uFA19\uFA1A\uFA1B\uFA1C\uFA1D"+
195 "\uFA1E\uFA1F\uFA20\uFA21\uFA22\uFA23\uFA24\uFA25\uFA26\uFA27"+
196 "\uFA28\uFA29\uFA2A\uFA2B\uFA2C\uFA2D\uFF02\uFF07";
197
198 private final String G3_b =
199 "\uF3B8\uF3B9\uF3AB\uF3AC\uF3AD\uF3AE\uF3AF\uF3B0\uF3B1\uF3B2"+
200 "\uF3B3\uF3B4\uF3A1\uF3A2\uF3A3\uF3A4\uF3A5\uF3A6\uF3A7\uF3A8"+
201 "\uF3A9\uF3AA\uF3B7\uF4A2\uF4A3\uF4A4\uF4A5\uF4A6\uF4A8\uF4A9"+
202 "\uF4AC\uF4AE\uF4AF\uF4B0\uF4B2\uF4B3\uF4B4\uF4B5\uF4B6\uF4B7"+
203 "\uF4BA\uF4BD\uF4BE\uF4C0\uF4BF\uF4C2\uF4A1\uF4C6\uF4C7\uF4C8"+
204 "\uF4CB\uF4D0\uF4D4\uF4D5\uF4D7\uF4D9\uF4DC\uF4DF\uF4E0\uF4E1"+
205 "\uF3B8\uF4E5\uF4E7\uF4EA\uF4ED\uF4EE\uF4EF\uF4F4\uF4F5\uF4F6"+
206 "\uF4F8\uF3B8\uF4B9\uF4EB\uF4A7\uF4AA\uF4AB\uF4B1\uF4B8\uF4BB"+
207 "\uF4BC\uF4C4\uF4C5\uF4C9\uF4CC\uF4CD\uF4CE\uF4CF\uF4D1\uF4D3"+
208 "\uF4D6\uF4D8\uF4DA\uF4DB\uF4DE\uF4E2\uF4E3\uF4E4\uF4E6\uF4E8"+
209 "\uF4E9\uF4EC\uF4F1\uF4F2\uF4F3\uF4F7\uF3B6\uF3B5";
210
211 private final SingleByte.Encoder enc0201;
212 private final DoubleByte.Encoder enc0208;
213 private final DoubleByte.Encoder enc0212;
214
215 protected Encoder(Charset cs) {
216 super(cs);
217 this.enc0201 = ENC0201;
218 this.enc0208 = ENC0208;
219 this.enc0212 = ENC0212;
220 }
221
222 private final static String G1_c = "\u00A2\u00A3\u00AC\\\u007e";
223
224 protected int encodeSingle(char inputChar, byte[] outputByte) {
225 if (inputChar == 0xa5) {
226 outputByte[0] = (byte)0x5c;
227 return 1;
228 }
229 if (inputChar == 0x203e) {
230 outputByte[0] = (byte)0x7e;
231 return 1;
232 }
233 if (inputChar >= 0x80 && inputChar < 0x8e) {
234 outputByte[0] = (byte)inputChar;
235 return 1;
236 }
237 if (inputChar >= 0x90 && inputChar < 0xa0) {
238 outputByte[0] = (byte)inputChar;
239 return 1;
240 }
241 int b = enc0201.encode(inputChar);
242 if (inputChar == 0x5c || inputChar == 0x7e) {
243 b = UNMAPPABLE_ENCODING;
244 }
245 if (b == UNMAPPABLE_ENCODING) {
246 int idx = G1_c.indexOf(inputChar);
247 if (idx > -1)
248 b = 0xe0 + idx;
249 }
250 if (b == UNMAPPABLE_ENCODING)
251 return 0;
252 if (b >= 0 && b < 128) {
253 outputByte[0] = (byte)b;
254 return 1;
255 }
256 outputByte[0] = (byte)0x8e;
257 outputByte[1] = (byte)b;
258 return 2;
259 }
260
261 protected int encodeDouble(char ch) {
262 int idx = G2_c.indexOf(ch);
263 if (idx > -1)
264 return (int)G2_b.charAt(idx);
265 idx = G3_c.indexOf(ch);
266 if (idx > -1)
267 return (int)G3_b.charAt(idx) + 0x8f0000;
268 int b = enc0208.encodeChar(ch);
269 if (b != UNMAPPABLE_ENCODING)
270 return b + 0x8080;
271 b = encodeUDC(ch);
272 if (b != UNMAPPABLE_ENCODING)
273 return b;
274 if (ibm943.canEncode(ch)) {
275 b = enc0212.encodeChar(ch);
276 if (b != UNMAPPABLE_ENCODING) {
277 b += 0x8f8080;
278 return b;
279 }
280 }
281 return b;
282 }
283 }
284 }