Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 1 | /* |
| 2 | * _codecs_kr.c: Codecs collection for Korean encodings |
| 3 | * |
| 4 | * Written by Hye-Shik Chang <perky@FreeBSD.org> |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include "cjkcodecs.h" |
| 8 | #include "mappings_kr.h" |
| 9 | |
| 10 | /* |
| 11 | * EUC-KR codec |
| 12 | */ |
| 13 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 14 | #define EUCKR_JAMO_FIRSTBYTE 0xA4 |
| 15 | #define EUCKR_JAMO_FILLER 0xD4 |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 16 | |
| 17 | static const unsigned char u2cgk_choseong[19] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 18 | 0xa1, 0xa2, 0xa4, 0xa7, 0xa8, 0xa9, 0xb1, 0xb2, |
| 19 | 0xb3, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, |
| 20 | 0xbc, 0xbd, 0xbe |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 21 | }; |
| 22 | static const unsigned char u2cgk_jungseong[21] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 23 | 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, |
| 24 | 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, |
| 25 | 0xcf, 0xd0, 0xd1, 0xd2, 0xd3 |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 26 | }; |
| 27 | static const unsigned char u2cgk_jongseong[28] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 28 | 0xd4, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 29 | 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, |
| 30 | 0xb1, 0xb2, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xba, |
| 31 | 0xbb, 0xbc, 0xbd, 0xbe |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 32 | }; |
| 33 | |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 34 | ENCODER(euc_kr) |
| 35 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 36 | while (inleft > 0) { |
| 37 | Py_UNICODE c = IN1; |
| 38 | DBCHAR code; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 39 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 40 | if (c < 0x80) { |
| 41 | WRITE1((unsigned char)c) |
| 42 | NEXT(1, 1) |
| 43 | continue; |
| 44 | } |
| 45 | UCS4INVALID(c) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 46 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 47 | REQUIRE_OUTBUF(2) |
| 48 | TRYMAP_ENC(cp949, code, c); |
| 49 | else return 1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 50 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 51 | if ((code & 0x8000) == 0) { |
| 52 | /* KS X 1001 coded character */ |
| 53 | OUT1((code >> 8) | 0x80) |
| 54 | OUT2((code & 0xFF) | 0x80) |
| 55 | NEXT(1, 2) |
| 56 | } |
| 57 | else { /* Mapping is found in CP949 extension, |
| 58 | * but we encode it in KS X 1001:1998 Annex 3, |
| 59 | * make-up sequence for EUC-KR. */ |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 60 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 61 | REQUIRE_OUTBUF(8) |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 62 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 63 | /* syllable composition precedence */ |
| 64 | OUT1(EUCKR_JAMO_FIRSTBYTE) |
| 65 | OUT2(EUCKR_JAMO_FILLER) |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 66 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 67 | /* All codepoints in CP949 extension are in unicode |
| 68 | * Hangul Syllable area. */ |
| 69 | assert(0xac00 <= c && c <= 0xd7a3); |
| 70 | c -= 0xac00; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 71 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 72 | OUT3(EUCKR_JAMO_FIRSTBYTE) |
| 73 | OUT4(u2cgk_choseong[c / 588]) |
| 74 | NEXT_OUT(4) |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 75 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 76 | OUT1(EUCKR_JAMO_FIRSTBYTE) |
| 77 | OUT2(u2cgk_jungseong[(c / 28) % 21]) |
| 78 | OUT3(EUCKR_JAMO_FIRSTBYTE) |
| 79 | OUT4(u2cgk_jongseong[c % 28]) |
| 80 | NEXT(1, 4) |
| 81 | } |
| 82 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 83 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 84 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 87 | #define NONE 127 |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 88 | |
| 89 | static const unsigned char cgk2u_choseong[] = { /* [A1, BE] */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 90 | 0, 1, NONE, 2, NONE, NONE, 3, 4, |
| 91 | 5, NONE, NONE, NONE, NONE, NONE, NONE, NONE, |
| 92 | 6, 7, 8, NONE, 9, 10, 11, 12, |
| 93 | 13, 14, 15, 16, 17, 18 |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 94 | }; |
| 95 | static const unsigned char cgk2u_jongseong[] = { /* [A1, BE] */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 96 | 1, 2, 3, 4, 5, 6, 7, NONE, |
| 97 | 8, 9, 10, 11, 12, 13, 14, 15, |
| 98 | 16, 17, NONE, 18, 19, 20, 21, 22, |
| 99 | NONE, 23, 24, 25, 26, 27 |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 100 | }; |
| 101 | |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 102 | DECODER(euc_kr) |
| 103 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 104 | while (inleft > 0) { |
| 105 | unsigned char c = IN1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 106 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 107 | REQUIRE_OUTBUF(1) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 108 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 109 | if (c < 0x80) { |
| 110 | OUT1(c) |
| 111 | NEXT(1, 1) |
| 112 | continue; |
| 113 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 114 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 115 | REQUIRE_INBUF(2) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 116 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 117 | if (c == EUCKR_JAMO_FIRSTBYTE && |
| 118 | IN2 == EUCKR_JAMO_FILLER) { |
| 119 | /* KS X 1001:1998 Annex 3 make-up sequence */ |
| 120 | DBCHAR cho, jung, jong; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 121 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 122 | REQUIRE_INBUF(8) |
| 123 | if ((*inbuf)[2] != EUCKR_JAMO_FIRSTBYTE || |
| 124 | (*inbuf)[4] != EUCKR_JAMO_FIRSTBYTE || |
| 125 | (*inbuf)[6] != EUCKR_JAMO_FIRSTBYTE) |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 126 | return 1; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 127 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 128 | c = (*inbuf)[3]; |
| 129 | if (0xa1 <= c && c <= 0xbe) |
| 130 | cho = cgk2u_choseong[c - 0xa1]; |
| 131 | else |
| 132 | cho = NONE; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 133 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 134 | c = (*inbuf)[5]; |
| 135 | jung = (0xbf <= c && c <= 0xd3) ? c - 0xbf : NONE; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 136 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 137 | c = (*inbuf)[7]; |
| 138 | if (c == EUCKR_JAMO_FILLER) |
| 139 | jong = 0; |
| 140 | else if (0xa1 <= c && c <= 0xbe) |
| 141 | jong = cgk2u_jongseong[c - 0xa1]; |
| 142 | else |
| 143 | jong = NONE; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 144 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 145 | if (cho == NONE || jung == NONE || jong == NONE) |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 146 | return 1; |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 147 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 148 | OUT1(0xac00 + cho*588 + jung*28 + jong); |
| 149 | NEXT(8, 1) |
| 150 | } |
| 151 | else TRYMAP_DEC(ksx1001, **outbuf, c ^ 0x80, IN2 ^ 0x80) { |
| 152 | NEXT(2, 1) |
| 153 | } |
| 154 | else |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 155 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 156 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 157 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 158 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 159 | } |
Guido van Rossum | 61e21b5 | 2007-08-20 19:06:03 +0000 | [diff] [blame] | 160 | #undef NONE |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 161 | |
| 162 | |
| 163 | /* |
| 164 | * CP949 codec |
| 165 | */ |
| 166 | |
| 167 | ENCODER(cp949) |
| 168 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 169 | while (inleft > 0) { |
| 170 | Py_UNICODE c = IN1; |
| 171 | DBCHAR code; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 172 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 173 | if (c < 0x80) { |
| 174 | WRITE1((unsigned char)c) |
| 175 | NEXT(1, 1) |
| 176 | continue; |
| 177 | } |
| 178 | UCS4INVALID(c) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 179 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 180 | REQUIRE_OUTBUF(2) |
| 181 | TRYMAP_ENC(cp949, code, c); |
| 182 | else return 1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 183 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 184 | OUT1((code >> 8) | 0x80) |
| 185 | if (code & 0x8000) |
| 186 | OUT2(code & 0xFF) /* MSB set: CP949 */ |
| 187 | else |
| 188 | OUT2((code & 0xFF) | 0x80) /* MSB unset: ks x 1001 */ |
| 189 | NEXT(1, 2) |
| 190 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 191 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 192 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | DECODER(cp949) |
| 196 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 197 | while (inleft > 0) { |
| 198 | unsigned char c = IN1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 199 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 200 | REQUIRE_OUTBUF(1) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 201 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 202 | if (c < 0x80) { |
| 203 | OUT1(c) |
| 204 | NEXT(1, 1) |
| 205 | continue; |
| 206 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 207 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 208 | REQUIRE_INBUF(2) |
| 209 | TRYMAP_DEC(ksx1001, **outbuf, c ^ 0x80, IN2 ^ 0x80); |
| 210 | else TRYMAP_DEC(cp949ext, **outbuf, c, IN2); |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 211 | else return 1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 212 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 213 | NEXT(2, 1) |
| 214 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 215 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 216 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | |
| 220 | /* |
| 221 | * JOHAB codec |
| 222 | */ |
| 223 | |
| 224 | static const unsigned char u2johabidx_choseong[32] = { |
| 225 | 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 226 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 227 | 0x10, 0x11, 0x12, 0x13, 0x14, |
| 228 | }; |
| 229 | static const unsigned char u2johabidx_jungseong[32] = { |
| 230 | 0x03, 0x04, 0x05, 0x06, 0x07, |
| 231 | 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 232 | 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 233 | 0x1a, 0x1b, 0x1c, 0x1d, |
| 234 | }; |
| 235 | static const unsigned char u2johabidx_jongseong[32] = { |
| 236 | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 237 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 238 | 0x10, 0x11, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 239 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, |
| 240 | }; |
| 241 | static const DBCHAR u2johabjamo[] = { |
| 242 | 0x8841, 0x8c41, 0x8444, 0x9041, 0x8446, 0x8447, 0x9441, |
| 243 | 0x9841, 0x9c41, 0x844a, 0x844b, 0x844c, 0x844d, 0x844e, 0x844f, |
| 244 | 0x8450, 0xa041, 0xa441, 0xa841, 0x8454, 0xac41, 0xb041, 0xb441, |
| 245 | 0xb841, 0xbc41, 0xc041, 0xc441, 0xc841, 0xcc41, 0xd041, 0x8461, |
| 246 | 0x8481, 0x84a1, 0x84c1, 0x84e1, 0x8541, 0x8561, 0x8581, 0x85a1, |
| 247 | 0x85c1, 0x85e1, 0x8641, 0x8661, 0x8681, 0x86a1, 0x86c1, 0x86e1, |
| 248 | 0x8741, 0x8761, 0x8781, 0x87a1, |
| 249 | }; |
| 250 | |
| 251 | ENCODER(johab) |
| 252 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 253 | while (inleft > 0) { |
| 254 | Py_UNICODE c = IN1; |
| 255 | DBCHAR code; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 256 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 257 | if (c < 0x80) { |
| 258 | WRITE1((unsigned char)c) |
| 259 | NEXT(1, 1) |
| 260 | continue; |
| 261 | } |
| 262 | UCS4INVALID(c) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 263 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 264 | REQUIRE_OUTBUF(2) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 265 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 266 | if (c >= 0xac00 && c <= 0xd7a3) { |
| 267 | c -= 0xac00; |
| 268 | code = 0x8000 | |
| 269 | (u2johabidx_choseong[c / 588] << 10) | |
| 270 | (u2johabidx_jungseong[(c / 28) % 21] << 5) | |
| 271 | u2johabidx_jongseong[c % 28]; |
| 272 | } |
| 273 | else if (c >= 0x3131 && c <= 0x3163) |
| 274 | code = u2johabjamo[c - 0x3131]; |
| 275 | else TRYMAP_ENC(cp949, code, c) { |
| 276 | unsigned char c1, c2, t2; |
| 277 | unsigned short t1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 278 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 279 | assert((code & 0x8000) == 0); |
| 280 | c1 = code >> 8; |
| 281 | c2 = code & 0xff; |
| 282 | if (((c1 >= 0x21 && c1 <= 0x2c) || |
| 283 | (c1 >= 0x4a && c1 <= 0x7d)) && |
| 284 | (c2 >= 0x21 && c2 <= 0x7e)) { |
| 285 | t1 = (c1 < 0x4a ? (c1 - 0x21 + 0x1b2) : |
| 286 | (c1 - 0x21 + 0x197)); |
| 287 | t2 = ((t1 & 1) ? 0x5e : 0) + (c2 - 0x21); |
| 288 | OUT1(t1 >> 1) |
| 289 | OUT2(t2 < 0x4e ? t2 + 0x31 : t2 + 0x43) |
| 290 | NEXT(1, 2) |
| 291 | continue; |
| 292 | } |
| 293 | else |
| 294 | return 1; |
| 295 | } |
| 296 | else |
| 297 | return 1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 298 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 299 | OUT1(code >> 8) |
| 300 | OUT2(code & 0xff) |
| 301 | NEXT(1, 2) |
| 302 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 303 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 304 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | #define FILL 0xfd |
| 308 | #define NONE 0xff |
| 309 | |
| 310 | static const unsigned char johabidx_choseong[32] = { |
| 311 | NONE, FILL, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, |
| 312 | 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, |
| 313 | 0x0e, 0x0f, 0x10, 0x11, 0x12, NONE, NONE, NONE, |
| 314 | NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, |
| 315 | }; |
| 316 | static const unsigned char johabidx_jungseong[32] = { |
| 317 | NONE, NONE, FILL, 0x00, 0x01, 0x02, 0x03, 0x04, |
| 318 | NONE, NONE, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, |
| 319 | NONE, NONE, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, |
| 320 | NONE, NONE, 0x11, 0x12, 0x13, 0x14, NONE, NONE, |
| 321 | }; |
| 322 | static const unsigned char johabidx_jongseong[32] = { |
| 323 | NONE, FILL, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, |
| 324 | 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, |
| 325 | 0x0f, 0x10, NONE, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 326 | 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, NONE, NONE, |
| 327 | }; |
| 328 | |
| 329 | static const unsigned char johabjamo_choseong[32] = { |
| 330 | NONE, FILL, 0x31, 0x32, 0x34, 0x37, 0x38, 0x39, |
| 331 | 0x41, 0x42, 0x43, 0x45, 0x46, 0x47, 0x48, 0x49, |
| 332 | 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, NONE, NONE, NONE, |
| 333 | NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE, |
| 334 | }; |
| 335 | static const unsigned char johabjamo_jungseong[32] = { |
| 336 | NONE, NONE, FILL, 0x4f, 0x50, 0x51, 0x52, 0x53, |
| 337 | NONE, NONE, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
| 338 | NONE, NONE, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 339 | NONE, NONE, 0x60, 0x61, 0x62, 0x63, NONE, NONE, |
| 340 | }; |
| 341 | static const unsigned char johabjamo_jongseong[32] = { |
| 342 | NONE, FILL, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 343 | 0x37, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 344 | 0x40, 0x41, NONE, 0x42, 0x44, 0x45, 0x46, 0x47, |
| 345 | 0x48, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, NONE, NONE, |
| 346 | }; |
| 347 | |
| 348 | DECODER(johab) |
| 349 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 350 | while (inleft > 0) { |
| 351 | unsigned char c = IN1, c2; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 352 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 353 | REQUIRE_OUTBUF(1) |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 354 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 355 | if (c < 0x80) { |
| 356 | OUT1(c) |
| 357 | NEXT(1, 1) |
| 358 | continue; |
| 359 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 360 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 361 | REQUIRE_INBUF(2) |
| 362 | c2 = IN2; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 363 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 364 | if (c < 0xd8) { |
| 365 | /* johab hangul */ |
| 366 | unsigned char c_cho, c_jung, c_jong; |
| 367 | unsigned char i_cho, i_jung, i_jong; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 368 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 369 | c_cho = (c >> 2) & 0x1f; |
| 370 | c_jung = ((c << 3) | c2 >> 5) & 0x1f; |
| 371 | c_jong = c2 & 0x1f; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 372 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 373 | i_cho = johabidx_choseong[c_cho]; |
| 374 | i_jung = johabidx_jungseong[c_jung]; |
| 375 | i_jong = johabidx_jongseong[c_jong]; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 376 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 377 | if (i_cho == NONE || i_jung == NONE || i_jong == NONE) |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 378 | return 1; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 379 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 380 | /* we don't use U+1100 hangul jamo yet. */ |
| 381 | if (i_cho == FILL) { |
| 382 | if (i_jung == FILL) { |
| 383 | if (i_jong == FILL) |
| 384 | OUT1(0x3000) |
| 385 | else |
| 386 | OUT1(0x3100 | |
| 387 | johabjamo_jongseong[c_jong]) |
| 388 | } |
| 389 | else { |
| 390 | if (i_jong == FILL) |
| 391 | OUT1(0x3100 | |
| 392 | johabjamo_jungseong[c_jung]) |
| 393 | else |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 394 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 395 | } |
| 396 | } else { |
| 397 | if (i_jung == FILL) { |
| 398 | if (i_jong == FILL) |
| 399 | OUT1(0x3100 | |
| 400 | johabjamo_choseong[c_cho]) |
| 401 | else |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 402 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 403 | } |
| 404 | else |
| 405 | OUT1(0xac00 + |
| 406 | i_cho * 588 + |
| 407 | i_jung * 28 + |
| 408 | (i_jong == FILL ? 0 : i_jong)) |
| 409 | } |
| 410 | NEXT(2, 1) |
| 411 | } else { |
| 412 | /* KS X 1001 except hangul jamos and syllables */ |
| 413 | if (c == 0xdf || c > 0xf9 || |
| 414 | c2 < 0x31 || (c2 >= 0x80 && c2 < 0x91) || |
| 415 | (c2 & 0x7f) == 0x7f || |
| 416 | (c == 0xda && (c2 >= 0xa1 && c2 <= 0xd3))) |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 417 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 418 | else { |
| 419 | unsigned char t1, t2; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 420 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 421 | t1 = (c < 0xe0 ? 2 * (c - 0xd9) : |
| 422 | 2 * c - 0x197); |
| 423 | t2 = (c2 < 0x91 ? c2 - 0x31 : c2 - 0x43); |
| 424 | t1 = t1 + (t2 < 0x5e ? 0 : 1) + 0x21; |
| 425 | t2 = (t2 < 0x5e ? t2 : t2 - 0x5e) + 0x21; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 426 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 427 | TRYMAP_DEC(ksx1001, **outbuf, t1, t2); |
Victor Stinner | 2cded9c | 2011-07-08 01:45:13 +0200 | [diff] [blame] | 428 | else return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 429 | NEXT(2, 1) |
| 430 | } |
| 431 | } |
| 432 | } |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 433 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 434 | return 0; |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 435 | } |
| 436 | #undef NONE |
| 437 | #undef FILL |
| 438 | |
| 439 | |
| 440 | BEGIN_MAPPINGS_LIST |
| 441 | MAPPING_DECONLY(ksx1001) |
| 442 | MAPPING_ENCONLY(cp949) |
| 443 | MAPPING_DECONLY(cp949ext) |
| 444 | END_MAPPINGS_LIST |
| 445 | |
| 446 | BEGIN_CODECS_LIST |
| 447 | CODEC_STATELESS(euc_kr) |
| 448 | CODEC_STATELESS(cp949) |
| 449 | CODEC_STATELESS(johab) |
| 450 | END_CODECS_LIST |
| 451 | |
| 452 | I_AM_A_MODULE_FOR(kr) |