6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 /*
27 */
28
29 package sun.nio.cs;
30
31 import java.nio.ByteBuffer;
32 import java.nio.CharBuffer;
33 import java.nio.charset.Charset;
34 import java.nio.charset.CharsetDecoder;
35 import java.nio.charset.CharsetEncoder;
36 import java.nio.charset.CoderResult;
37 import java.nio.charset.CharacterCodingException;
38 import java.nio.charset.MalformedInputException;
39 import java.nio.charset.UnmappableCharacterException;
40
41
42 class ISO_8859_1
43 extends Charset
44 implements HistoricallyNamedCharset
45 {
46
47 public ISO_8859_1() {
48 super("ISO-8859-1", StandardCharsets.aliases_ISO_8859_1);
49 }
50
51 public String historicalName() {
52 return "ISO8859_1";
53 }
54
55 public boolean contains(Charset cs) {
56 return ((cs instanceof US_ASCII)
57 || (cs instanceof ISO_8859_1));
58 }
59
60 public CharsetDecoder newDecoder() {
61 return new Decoder(this);
62 }
63
64 public CharsetEncoder newEncoder() {
65 return new Encoder(this);
66 }
67
68 private static class Decoder extends CharsetDecoder {
69
70 private Decoder(Charset cs) {
71 super(cs, 1.0f, 1.0f);
72 }
73
74 private CoderResult decodeArrayLoop(ByteBuffer src,
75 CharBuffer dst)
76 {
77 byte[] sa = src.array();
78 int sp = src.arrayOffset() + src.position();
79 int sl = src.arrayOffset() + src.limit();
80 assert (sp <= sl);
81 sp = (sp <= sl ? sp : sl);
82 char[] da = dst.array();
83 int dp = dst.arrayOffset() + dst.position();
84 int dl = dst.arrayOffset() + dst.limit();
85 assert (dp <= dl);
86 dp = (dp <= dl ? dp : dl);
87
88 try {
89 while (sp < sl) {
110 if (!dst.hasRemaining())
111 return CoderResult.OVERFLOW;
112 dst.put((char)(b & 0xff));
113 mark++;
114 }
115 return CoderResult.UNDERFLOW;
116 } finally {
117 src.position(mark);
118 }
119 }
120
121 protected CoderResult decodeLoop(ByteBuffer src,
122 CharBuffer dst)
123 {
124 if (src.hasArray() && dst.hasArray())
125 return decodeArrayLoop(src, dst);
126 else
127 return decodeBufferLoop(src, dst);
128 }
129
130 }
131
132 private static class Encoder extends CharsetEncoder {
133
134 private Encoder(Charset cs) {
135 super(cs, 1.0f, 1.0f);
136 }
137
138 public boolean canEncode(char c) {
139 return c <= '\u00FF';
140 }
141
142 private final Surrogate.Parser sgp = new Surrogate.Parser();
143
144 private CoderResult encodeArrayLoop(CharBuffer src,
145 ByteBuffer dst)
146 {
147 char[] sa = src.array();
148 int sp = src.arrayOffset() + src.position();
149 int sl = src.arrayOffset() + src.limit();
150 assert (sp <= sl);
151 sp = (sp <= sl ? sp : sl);
152 byte[] da = dst.array();
153 int dp = dst.arrayOffset() + dst.position();
154 int dl = dst.arrayOffset() + dst.limit();
155 assert (dp <= dl);
156 dp = (dp <= dl ? dp : dl);
157 try {
158 while (sp < sl) {
159 char c = sa[sp];
160 if (c <= '\u00FF') {
161 if (dp >= dl)
191 }
192 if (sgp.parse(c, src) < 0)
193 return sgp.error();
194 return sgp.unmappableResult();
195 }
196 return CoderResult.UNDERFLOW;
197 } finally {
198 src.position(mark);
199 }
200 }
201
202 protected CoderResult encodeLoop(CharBuffer src,
203 ByteBuffer dst)
204 {
205 if (src.hasArray() && dst.hasArray())
206 return encodeArrayLoop(src, dst);
207 else
208 return encodeBufferLoop(src, dst);
209 }
210
211 }
212 }
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package sun.nio.cs;
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 java.util.Arrays;
35
36 class ISO_8859_1
37 extends Charset
38 implements HistoricallyNamedCharset
39 {
40
41 public ISO_8859_1() {
42 super("ISO-8859-1", StandardCharsets.aliases_ISO_8859_1);
43 }
44
45 public String historicalName() {
46 return "ISO8859_1";
47 }
48
49 public boolean contains(Charset cs) {
50 return ((cs instanceof US_ASCII)
51 || (cs instanceof ISO_8859_1));
52 }
53
54 public CharsetDecoder newDecoder() {
55 return new Decoder(this);
56 }
57
58 public CharsetEncoder newEncoder() {
59 return new Encoder(this);
60 }
61
62 private static class Decoder extends CharsetDecoder
63 implements ArrayDecoder {
64 private Decoder(Charset cs) {
65 super(cs, 1.0f, 1.0f);
66 }
67
68 private CoderResult decodeArrayLoop(ByteBuffer src,
69 CharBuffer dst)
70 {
71 byte[] sa = src.array();
72 int sp = src.arrayOffset() + src.position();
73 int sl = src.arrayOffset() + src.limit();
74 assert (sp <= sl);
75 sp = (sp <= sl ? sp : sl);
76 char[] da = dst.array();
77 int dp = dst.arrayOffset() + dst.position();
78 int dl = dst.arrayOffset() + dst.limit();
79 assert (dp <= dl);
80 dp = (dp <= dl ? dp : dl);
81
82 try {
83 while (sp < sl) {
104 if (!dst.hasRemaining())
105 return CoderResult.OVERFLOW;
106 dst.put((char)(b & 0xff));
107 mark++;
108 }
109 return CoderResult.UNDERFLOW;
110 } finally {
111 src.position(mark);
112 }
113 }
114
115 protected CoderResult decodeLoop(ByteBuffer src,
116 CharBuffer dst)
117 {
118 if (src.hasArray() && dst.hasArray())
119 return decodeArrayLoop(src, dst);
120 else
121 return decodeBufferLoop(src, dst);
122 }
123
124 public int decode(byte[] src, int sp, int len, char[] dst) {
125 if (len > dst.length)
126 len = dst.length;
127 int dp = 0;
128 while (dp < len)
129 dst[dp++] = (char)(src[sp++] & 0xff);
130 return dp;
131 }
132 }
133
134 private static class Encoder extends CharsetEncoder
135 implements ArrayEncoder {
136 private Encoder(Charset cs) {
137 super(cs, 1.0f, 1.0f);
138 }
139
140 public boolean canEncode(char c) {
141 return c <= '\u00FF';
142 }
143
144 public boolean isLegalReplacement(byte[] repl) {
145 return (repl.length == 1); // we accept any byte value
146 }
147
148 private final Surrogate.Parser sgp = new Surrogate.Parser();
149
150 private CoderResult encodeArrayLoop(CharBuffer src,
151 ByteBuffer dst)
152 {
153 char[] sa = src.array();
154 int sp = src.arrayOffset() + src.position();
155 int sl = src.arrayOffset() + src.limit();
156 assert (sp <= sl);
157 sp = (sp <= sl ? sp : sl);
158 byte[] da = dst.array();
159 int dp = dst.arrayOffset() + dst.position();
160 int dl = dst.arrayOffset() + dst.limit();
161 assert (dp <= dl);
162 dp = (dp <= dl ? dp : dl);
163 try {
164 while (sp < sl) {
165 char c = sa[sp];
166 if (c <= '\u00FF') {
167 if (dp >= dl)
197 }
198 if (sgp.parse(c, src) < 0)
199 return sgp.error();
200 return sgp.unmappableResult();
201 }
202 return CoderResult.UNDERFLOW;
203 } finally {
204 src.position(mark);
205 }
206 }
207
208 protected CoderResult encodeLoop(CharBuffer src,
209 ByteBuffer dst)
210 {
211 if (src.hasArray() && dst.hasArray())
212 return encodeArrayLoop(src, dst);
213 else
214 return encodeBufferLoop(src, dst);
215 }
216
217 private byte repl = (byte)'?';
218 protected void implReplaceWith(byte[] newReplacement) {
219 repl = newReplacement[0];
220 }
221
222 public int encode(char[] src, int sp, int len, byte[] dst) {
223 int dp = 0;
224 int sl = sp + Math.min(len, dst.length);
225 while (sp < sl) {
226 char c = src[sp++];
227 if (c <= '\u00FF') {
228 dst[dp++] = (byte)c;
229 continue;
230 }
231 if (Surrogate.isHigh(c) && sp < sl &&
232 Surrogate.isLow(src[sp])) {
233 if (len > dst.length) {
234 sl++;
235 len--;
236 }
237 sp++;
238 }
239 dst[dp++] = repl;
240 }
241 return dp;
242 }
243 }
244 }
|