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1 | /*--------------------------------*-C-*---------------------------------* |
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2 | * File: encoding.C |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | *----------------------------------------------------------------------*/ |
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22 | |
1 | #include "../config.h" |
23 | #include "../config.h" |
2 | |
24 | |
3 | #include "encoding.h" |
25 | #include "encoding.h" |
4 | |
26 | |
5 | #include <cstdlib> |
27 | #include <cstdlib> |
… | |
… | |
26 | { "ISO885914", CS_ISO8859_14 }, |
48 | { "ISO885914", CS_ISO8859_14 }, |
27 | { "ISO885915", CS_ISO8859_15 }, |
49 | { "ISO885915", CS_ISO8859_15 }, |
28 | { "FCD885915", CS_ISO8859_15 }, |
50 | { "FCD885915", CS_ISO8859_15 }, |
29 | { "ISO885916", CS_ISO8859_16 }, |
51 | { "ISO885916", CS_ISO8859_16 }, |
30 | |
52 | |
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53 | { "TIS620*", CS_ISO8859_11 }, // close enough |
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54 | |
31 | { "ISO10646*", CS_UNICODE }, |
55 | { "ISO10646*", CS_UNICODE }, |
32 | { "UNICODE", CS_UNICODE }, |
56 | { "UNICODE", CS_UNICODE }, |
33 | { "UTF8", CS_UNICODE }, |
57 | { "UTF8", CS_UNICODE }, |
34 | |
58 | |
35 | { "ASCII", CS_US_ASCII }, |
59 | { "ASCII", CS_US_ASCII }, |
… | |
… | |
40 | { "GOST1976874*", CS_KOI8_R }, |
64 | { "GOST1976874*", CS_KOI8_R }, |
41 | { "KOI8RU", CS_KOI8_U }, |
65 | { "KOI8RU", CS_KOI8_U }, |
42 | { "KOI8U", CS_KOI8_U }, |
66 | { "KOI8U", CS_KOI8_U }, |
43 | |
67 | |
44 | { "VISCII*", CS_VISCII }, |
68 | { "VISCII*", CS_VISCII }, |
45 | { "TIS62025291", CS_VISCII }, // close enough |
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46 | |
69 | |
47 | { "JISX0201*", CS_JIS0201_1976_0 }, |
70 | { "JISX0201*", CS_JIS0201_1976_0 }, |
48 | { "JISX0208*", CS_JIS0208_1983_0 }, // also wrongly matches -1990-0 (check Encode::JP) |
71 | { "JISX0208*", CS_JIS0208_1990_0 }, // also wrongly matches -1987-0? (check Encode::JP) |
49 | { "JISX0212*", CS_JIS0212_1990_0 }, |
72 | { "JISX0212*", CS_JIS0212_1990_0 }, |
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73 | { "JISX021320001", CS_JIS0213_1 }, |
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74 | { "JISX021320002", CS_JIS0213_2 }, |
50 | { "JISX0221*", CS_UNICODE }, |
75 | { "JISX0221*", CS_UNICODE }, // _very_ close |
51 | |
76 | |
52 | { "KSC5601*", CS_KSC5601_1987_0 }, |
77 | { "KSC5601*", CS_KSC5601_1987_0 }, |
53 | { "KSX1001*", CS_KSC5601_1987_0 }, |
78 | { "KSX1001*", CS_KSC5601_1987_0 }, |
54 | { "KSC5700*", CS_UNICODE }, // unicode plus extensions |
79 | { "KSC5700*", CS_UNICODE }, // unicode plus extensions |
55 | |
80 | |
… | |
… | |
112 | |
137 | |
113 | return CS_UNKNOWN; |
138 | return CS_UNKNOWN; |
114 | } |
139 | } |
115 | |
140 | |
116 | struct rxvt_codeset_conv_unknown : rxvt_codeset_conv { |
141 | struct rxvt_codeset_conv_unknown : rxvt_codeset_conv { |
117 | uint32_t to_unicode (uint32_t enc) const { return NOCHAR; } |
142 | unicode_t to_unicode (uint32_t enc) const { return NOCHAR; } |
118 | uint32_t from_unicode (uint32_t unicode) const { return NOCHAR; } |
143 | uint32_t from_unicode (unicode_t unicode) const { return NOCHAR; } |
119 | } rxvt_codeset_conv_unknown; |
144 | } rxvt_codeset_conv_unknown; |
120 | |
145 | |
121 | struct rxvt_codeset_conv_us_ascii : rxvt_codeset_conv { |
146 | struct rxvt_codeset_conv_us_ascii : rxvt_codeset_conv { |
122 | uint32_t from_unicode (uint32_t unicode) const { return unicode <= 127 ? unicode : NOCHAR; } |
147 | uint32_t from_unicode (unicode_t unicode) const { return unicode <= 127 ? unicode : NOCHAR; } |
123 | } rxvt_codeset_conv_us_ascii; |
148 | } rxvt_codeset_conv_us_ascii; |
124 | |
149 | |
125 | struct rxvt_codeset_conv_unicode : rxvt_codeset_conv { |
150 | struct rxvt_codeset_conv_unicode : rxvt_codeset_conv { |
126 | /* transparent */ |
151 | /* transparent */ |
127 | } rxvt_codeset_conv_unicode; |
152 | } rxvt_codeset_conv_unicode; |
128 | |
153 | |
129 | struct rxvt_codeset_conv_unicode_16 : rxvt_codeset_conv { |
154 | struct rxvt_codeset_conv_unicode_16 : rxvt_codeset_conv { |
130 | uint32_t to_unicode (uint32_t enc) const { return enc; } |
155 | unicode_t to_unicode (uint32_t enc) const { return enc; } |
131 | uint32_t from_unicode (uint32_t unicode) const { return unicode <= 65535 ? unicode : NOCHAR; } |
156 | uint32_t from_unicode (unicode_t unicode) const { return unicode <= 65535 ? unicode : NOCHAR; } |
132 | } rxvt_codeset_conv_unicode_16; |
157 | } rxvt_codeset_conv_unicode_16; |
133 | |
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134 | /* block character set, must conform to the dec special pseudofont in defaultfont.C */ |
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135 | struct rxvt_codeset_conv_special : rxvt_codeset_conv { |
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136 | uint32_t to_unicode (uint32_t enc) const { |
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137 | return enc; |
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138 | } |
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139 | |
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140 | uint32_t from_unicode (uint32_t unicode) const { |
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141 | return unicode; |
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142 | } |
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143 | } rxvt_codeset_conv_special; |
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144 | |
158 | |
145 | #define ENCODING_DEFAULT |
159 | #define ENCODING_DEFAULT |
146 | |
160 | |
147 | #include "table/iso8859_1.h" |
161 | #include "table/iso8859_1.h" |
148 | #include "table/iso8859_15.h" |
162 | #include "table/iso8859_15.h" |
… | |
… | |
193 | #include "table/viscii.h" |
207 | #include "table/viscii.h" |
194 | |
208 | |
195 | //#define ENCODING_JP |
209 | //#define ENCODING_JP |
196 | |
210 | |
197 | #include "table/jis0201_1976_0.h" |
211 | #include "table/jis0201_1976_0.h" |
198 | #include "table/jis0208_1983_0.h" |
212 | #include "table/jis0208_1990_0.h" |
199 | #include "table/jis0212_1990_0.h" |
213 | #include "table/jis0212_1990_0.h" |
200 | |
214 | |
201 | //#define ENCODING_JP_EXT |
215 | //#define ENCODING_JP_EXT |
202 | |
216 | |
203 | #include "table/jis0213_1.h" |
217 | #include "table/jis0213_1.h" |
204 | #include "table/jis0213_2.h" |
218 | #include "table/jis0213_2.h" |
205 | |
219 | |
206 | // order must match table in encoding.h(!) |
220 | // order must match table in encoding.h(!) |
207 | const rxvt_codeset_conv *rxvt_codeset[NUM_CODESETS] = { |
221 | const rxvt_codeset_conv *rxvt_codeset[NUM_CODESETS] = { |
208 | &rxvt_codeset_conv_unknown, |
222 | &rxvt_codeset_conv_unknown, |
209 | &rxvt_codeset_conv_special, |
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210 | |
223 | |
211 | &rxvt_codeset_conv_us_ascii, |
224 | &rxvt_codeset_conv_us_ascii, |
212 | |
225 | |
213 | &rxvt_codeset_conv_iso8859_1, |
226 | &rxvt_codeset_conv_iso8859_1, |
214 | &rxvt_codeset_conv_iso8859_2, |
227 | &rxvt_codeset_conv_iso8859_2, |
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… | |
228 | |
241 | |
229 | &rxvt_codeset_conv_koi8_r, |
242 | &rxvt_codeset_conv_koi8_r, |
230 | &rxvt_codeset_conv_koi8_u, |
243 | &rxvt_codeset_conv_koi8_u, |
231 | |
244 | |
232 | &rxvt_codeset_conv_jis0201_1976_0, |
245 | &rxvt_codeset_conv_jis0201_1976_0, |
233 | &rxvt_codeset_conv_jis0208_1983_0, |
246 | &rxvt_codeset_conv_jis0208_1990_0, |
234 | &rxvt_codeset_conv_jis0212_1990_0, |
247 | &rxvt_codeset_conv_jis0212_1990_0, |
235 | |
248 | |
236 | &rxvt_codeset_conv_jis0213_1, |
249 | &rxvt_codeset_conv_jis0213_1, |
237 | &rxvt_codeset_conv_jis0213_2, |
250 | &rxvt_codeset_conv_jis0213_2, |
238 | |
251 | |
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256 | |
269 | |
257 | &rxvt_codeset_conv_unicode_16, |
270 | &rxvt_codeset_conv_unicode_16, |
258 | &rxvt_codeset_conv_unicode |
271 | &rxvt_codeset_conv_unicode |
259 | }; |
272 | }; |
260 | |
273 | |
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274 | #if ENABLE_COMBINING |
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275 | # define ENCODING_COMPOSE |
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276 | #endif |
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277 | |
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278 | #include "table/compose.h" |
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279 | |
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280 | unicode_t |
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281 | rxvt_compose (unicode_t c1, unicode_t c2) |
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282 | { |
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283 | int l = 0; |
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284 | int r = sizeof (rxvt_compose_table) / sizeof (rxvt_compose_entry) - 1; |
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285 | int m; |
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286 | |
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287 | while (r > l) |
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288 | { |
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289 | m = (l + r) / 2; |
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290 | rxvt_compose_entry &c = rxvt_compose_table[m]; |
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291 | |
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292 | if (c.c1 < c1 || (c.c1 == c1 && c.c2 < c2)) |
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293 | l = m + 1; |
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294 | else if (c.c1 > c1 || (c.c1 == c1 && c.c2 > c2)) |
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295 | r = m - 1; |
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296 | else |
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297 | return c.r; |
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298 | } |
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299 | |
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300 | return NOCHAR; |
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301 | } |
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302 | |
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303 | #include "table/category.h" |
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304 | |
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305 | bool unicode::is_space (unicode_t c) |
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306 | { |
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307 | return IS_SPACE (c); |
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308 | } |