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904a78f1 | 1 | /* Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008, 2009 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd | 20 | \f |
dbb605f5 LC |
21 | #ifdef HAVE_CONFIG_H |
22 | # include <config.h> | |
23 | #endif | |
0f2d19dd | 24 | |
0f2d19dd | 25 | #include <ctype.h> |
465380de | 26 | #include <limits.h> |
904a78f1 MG |
27 | #include <unicase.h> |
28 | ||
a0599745 MD |
29 | #include "libguile/_scm.h" |
30 | #include "libguile/validate.h" | |
0f2d19dd | 31 | |
a0599745 | 32 | #include "libguile/chars.h" |
1fdbbd4c MV |
33 | #include "libguile/srfi-14.h" |
34 | ||
0f2d19dd JB |
35 | \f |
36 | ||
a1ec6916 | 37 | SCM_DEFINE (scm_char_p, "char?", 1, 0, 0, |
1bbd0b84 | 38 | (SCM x), |
cdbc7418 | 39 | "Return @code{#t} iff @var{x} is a character, else @code{#f}.") |
1bbd0b84 | 40 | #define FUNC_NAME s_scm_char_p |
0f2d19dd | 41 | { |
7888309b | 42 | return scm_from_bool (SCM_CHARP(x)); |
0f2d19dd | 43 | } |
1bbd0b84 | 44 | #undef FUNC_NAME |
0f2d19dd | 45 | |
c3ee7520 | 46 | SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr, |
1bbd0b84 | 47 | (SCM x, SCM y), |
cdbc7418 | 48 | "Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.") |
1bbd0b84 | 49 | #define FUNC_NAME s_scm_char_eq_p |
0f2d19dd | 50 | { |
362306b9 DH |
51 | SCM_VALIDATE_CHAR (1, x); |
52 | SCM_VALIDATE_CHAR (2, y); | |
bc36d050 | 53 | return scm_from_bool (scm_is_eq (x, y)); |
0f2d19dd | 54 | } |
1bbd0b84 | 55 | #undef FUNC_NAME |
0f2d19dd JB |
56 | |
57 | ||
c3ee7520 | 58 | SCM_DEFINE1 (scm_char_less_p, "char<?", scm_tc7_rpsubr, |
1bbd0b84 | 59 | (SCM x, SCM y), |
904a78f1 | 60 | "Return @code{#t} iff @var{x} is less than @var{y} in the Unicode sequence,\n" |
cdbc7418 | 61 | "else @code{#f}.") |
1bbd0b84 | 62 | #define FUNC_NAME s_scm_char_less_p |
0f2d19dd | 63 | { |
34d19ef6 HWN |
64 | SCM_VALIDATE_CHAR (1, x); |
65 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 66 | return scm_from_bool (SCM_CHAR(x) < SCM_CHAR(y)); |
0f2d19dd | 67 | } |
1bbd0b84 | 68 | #undef FUNC_NAME |
0f2d19dd | 69 | |
c3ee7520 | 70 | SCM_DEFINE1 (scm_char_leq_p, "char<=?", scm_tc7_rpsubr, |
1bbd0b84 | 71 | (SCM x, SCM y), |
cdbc7418 | 72 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
904a78f1 | 73 | "Unicode sequence, else @code{#f}.") |
1bbd0b84 | 74 | #define FUNC_NAME s_scm_char_leq_p |
0f2d19dd | 75 | { |
34d19ef6 HWN |
76 | SCM_VALIDATE_CHAR (1, x); |
77 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 78 | return scm_from_bool (SCM_CHAR(x) <= SCM_CHAR(y)); |
0f2d19dd | 79 | } |
1bbd0b84 | 80 | #undef FUNC_NAME |
0f2d19dd | 81 | |
c3ee7520 | 82 | SCM_DEFINE1 (scm_char_gr_p, "char>?", scm_tc7_rpsubr, |
1bbd0b84 | 83 | (SCM x, SCM y), |
904a78f1 | 84 | "Return @code{#t} iff @var{x} is greater than @var{y} in the Unicode\n" |
cdbc7418 | 85 | "sequence, else @code{#f}.") |
1bbd0b84 | 86 | #define FUNC_NAME s_scm_char_gr_p |
0f2d19dd | 87 | { |
34d19ef6 HWN |
88 | SCM_VALIDATE_CHAR (1, x); |
89 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 90 | return scm_from_bool (SCM_CHAR(x) > SCM_CHAR(y)); |
0f2d19dd | 91 | } |
1bbd0b84 | 92 | #undef FUNC_NAME |
0f2d19dd | 93 | |
c3ee7520 | 94 | SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr, |
1bbd0b84 | 95 | (SCM x, SCM y), |
cdbc7418 | 96 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
904a78f1 | 97 | "Unicode sequence, else @code{#f}.") |
1bbd0b84 | 98 | #define FUNC_NAME s_scm_char_geq_p |
0f2d19dd | 99 | { |
34d19ef6 HWN |
100 | SCM_VALIDATE_CHAR (1, x); |
101 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 102 | return scm_from_bool (SCM_CHAR(x) >= SCM_CHAR(y)); |
0f2d19dd | 103 | } |
1bbd0b84 | 104 | #undef FUNC_NAME |
0f2d19dd | 105 | |
c3ee7520 | 106 | SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, |
1bbd0b84 | 107 | (SCM x, SCM y), |
cdbc7418 | 108 | "Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n" |
904a78f1 | 109 | "case, else @code{#f}. Case is locale free and not context sensitive.") |
1bbd0b84 | 110 | #define FUNC_NAME s_scm_char_ci_eq_p |
0f2d19dd | 111 | { |
34d19ef6 HWN |
112 | SCM_VALIDATE_CHAR (1, x); |
113 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 114 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x))==scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 115 | } |
1bbd0b84 | 116 | #undef FUNC_NAME |
0f2d19dd | 117 | |
c3ee7520 | 118 | SCM_DEFINE1 (scm_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr, |
1bbd0b84 | 119 | (SCM x, SCM y), |
904a78f1 MG |
120 | "Return @code{#t} iff the Unicode uppercase form of @var{x} is less\n" |
121 | "than the Unicode uppercase form @var{y} in the Unicode sequence,\n" | |
122 | "else @code{#f}.") | |
1bbd0b84 | 123 | #define FUNC_NAME s_scm_char_ci_less_p |
0f2d19dd | 124 | { |
34d19ef6 HWN |
125 | SCM_VALIDATE_CHAR (1, x); |
126 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 127 | return scm_from_bool ((scm_c_upcase(SCM_CHAR(x))) < scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 128 | } |
1bbd0b84 | 129 | #undef FUNC_NAME |
0f2d19dd | 130 | |
c3ee7520 | 131 | SCM_DEFINE1 (scm_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr, |
1bbd0b84 | 132 | (SCM x, SCM y), |
904a78f1 MG |
133 | "Return @code{#t} iff the Unicode uppercase form of @var{x} is less\n" |
134 | "than or equal to the Unicode uppercase form of @var{y} in the\n" | |
135 | "Unicode sequence, else @code{#f}.") | |
1bbd0b84 | 136 | #define FUNC_NAME s_scm_char_ci_leq_p |
0f2d19dd | 137 | { |
34d19ef6 HWN |
138 | SCM_VALIDATE_CHAR (1, x); |
139 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 140 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) <= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 141 | } |
1bbd0b84 | 142 | #undef FUNC_NAME |
0f2d19dd | 143 | |
c3ee7520 | 144 | SCM_DEFINE1 (scm_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr, |
1bbd0b84 | 145 | (SCM x, SCM y), |
904a78f1 MG |
146 | "Return @code{#t} iff the Unicode uppercase form of @var{x} is greater\n" |
147 | "than the Unicode uppercase form of @var{y} in the Unicode\n" | |
148 | "sequence, else @code{#f}.") | |
1bbd0b84 | 149 | #define FUNC_NAME s_scm_char_ci_gr_p |
0f2d19dd | 150 | { |
34d19ef6 HWN |
151 | SCM_VALIDATE_CHAR (1, x); |
152 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 153 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) > scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 154 | } |
1bbd0b84 | 155 | #undef FUNC_NAME |
0f2d19dd | 156 | |
c3ee7520 | 157 | SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, |
1bbd0b84 | 158 | (SCM x, SCM y), |
904a78f1 MG |
159 | "Return @code{#t} iff the Unicode uppercase form of @var{x} is greater\n" |
160 | "than or equal to the Unicode uppercase form of @var{y} in the\n" | |
161 | "Unicode sequence, else @code{#f}.") | |
1bbd0b84 | 162 | #define FUNC_NAME s_scm_char_ci_geq_p |
0f2d19dd | 163 | { |
34d19ef6 HWN |
164 | SCM_VALIDATE_CHAR (1, x); |
165 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 166 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) >= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 167 | } |
1bbd0b84 | 168 | #undef FUNC_NAME |
0f2d19dd JB |
169 | |
170 | ||
3b3b36dd | 171 | SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, |
1bbd0b84 | 172 | (SCM chr), |
1fdbbd4c | 173 | "Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n") |
1bbd0b84 | 174 | #define FUNC_NAME s_scm_char_alphabetic_p |
0f2d19dd | 175 | { |
1fdbbd4c | 176 | return scm_char_set_contains_p (scm_char_set_letter, chr); |
0f2d19dd | 177 | } |
1bbd0b84 | 178 | #undef FUNC_NAME |
0f2d19dd | 179 | |
3b3b36dd | 180 | SCM_DEFINE (scm_char_numeric_p, "char-numeric?", 1, 0, 0, |
1bbd0b84 | 181 | (SCM chr), |
1fdbbd4c | 182 | "Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n") |
1bbd0b84 | 183 | #define FUNC_NAME s_scm_char_numeric_p |
0f2d19dd | 184 | { |
1fdbbd4c | 185 | return scm_char_set_contains_p (scm_char_set_digit, chr); |
0f2d19dd | 186 | } |
1bbd0b84 | 187 | #undef FUNC_NAME |
0f2d19dd | 188 | |
3b3b36dd | 189 | SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0, |
1bbd0b84 | 190 | (SCM chr), |
1fdbbd4c | 191 | "Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n") |
1bbd0b84 | 192 | #define FUNC_NAME s_scm_char_whitespace_p |
0f2d19dd | 193 | { |
1fdbbd4c | 194 | return scm_char_set_contains_p (scm_char_set_whitespace, chr); |
0f2d19dd | 195 | } |
1bbd0b84 | 196 | #undef FUNC_NAME |
0f2d19dd JB |
197 | |
198 | ||
199 | ||
3b3b36dd | 200 | SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0, |
1bbd0b84 | 201 | (SCM chr), |
1fdbbd4c | 202 | "Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n") |
1bbd0b84 | 203 | #define FUNC_NAME s_scm_char_upper_case_p |
0f2d19dd | 204 | { |
1fdbbd4c | 205 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); |
0f2d19dd | 206 | } |
1bbd0b84 | 207 | #undef FUNC_NAME |
0f2d19dd JB |
208 | |
209 | ||
3b3b36dd | 210 | SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0, |
1bbd0b84 | 211 | (SCM chr), |
1fdbbd4c | 212 | "Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n") |
1bbd0b84 | 213 | #define FUNC_NAME s_scm_char_lower_case_p |
0f2d19dd | 214 | { |
1fdbbd4c | 215 | return scm_char_set_contains_p (scm_char_set_lower_case, chr); |
0f2d19dd | 216 | } |
1bbd0b84 | 217 | #undef FUNC_NAME |
0f2d19dd JB |
218 | |
219 | ||
220 | ||
a1ec6916 | 221 | SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0, |
1bbd0b84 | 222 | (SCM chr), |
1fdbbd4c | 223 | "Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n") |
1bbd0b84 | 224 | #define FUNC_NAME s_scm_char_is_both_p |
0f2d19dd | 225 | { |
1fdbbd4c MV |
226 | if (scm_is_true (scm_char_set_contains_p (scm_char_set_lower_case, chr))) |
227 | return SCM_BOOL_T; | |
228 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); | |
0f2d19dd | 229 | } |
1bbd0b84 | 230 | #undef FUNC_NAME |
0f2d19dd JB |
231 | |
232 | ||
233 | ||
234 | ||
a1ec6916 | 235 | SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0, |
1bbd0b84 | 236 | (SCM chr), |
cdbc7418 NJ |
237 | "Return the number corresponding to ordinal position of @var{chr} in the\n" |
238 | "ASCII sequence.") | |
1bbd0b84 | 239 | #define FUNC_NAME s_scm_char_to_integer |
0f2d19dd | 240 | { |
34d19ef6 | 241 | SCM_VALIDATE_CHAR (1, chr); |
904a78f1 | 242 | return scm_from_uint32 (SCM_CHAR(chr)); |
0f2d19dd | 243 | } |
1bbd0b84 | 244 | #undef FUNC_NAME |
0f2d19dd JB |
245 | |
246 | ||
247 | ||
3b3b36dd | 248 | SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0, |
1bbd0b84 | 249 | (SCM n), |
cdbc7418 | 250 | "Return the character at position @var{n} in the ASCII sequence.") |
1bbd0b84 | 251 | #define FUNC_NAME s_scm_integer_to_char |
0f2d19dd | 252 | { |
904a78f1 MG |
253 | scm_t_wchar cn; |
254 | ||
255 | cn = scm_to_wchar (n); | |
256 | ||
257 | /* Avoid the surrogates. */ | |
258 | if (!SCM_IS_UNICODE_CHAR (cn)) | |
259 | scm_out_of_range (FUNC_NAME, n); | |
260 | ||
261 | return SCM_MAKE_CHAR (cn); | |
0f2d19dd | 262 | } |
1bbd0b84 | 263 | #undef FUNC_NAME |
0f2d19dd JB |
264 | |
265 | ||
3b3b36dd | 266 | SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0, |
1bbd0b84 | 267 | (SCM chr), |
cdbc7418 | 268 | "Return the uppercase character version of @var{chr}.") |
1bbd0b84 | 269 | #define FUNC_NAME s_scm_char_upcase |
0f2d19dd | 270 | { |
34d19ef6 | 271 | SCM_VALIDATE_CHAR (1, chr); |
904a78f1 | 272 | return SCM_MAKE_CHAR (scm_c_upcase (SCM_CHAR (chr))); |
0f2d19dd | 273 | } |
1bbd0b84 | 274 | #undef FUNC_NAME |
0f2d19dd JB |
275 | |
276 | ||
3b3b36dd | 277 | SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0, |
1bbd0b84 | 278 | (SCM chr), |
cdbc7418 | 279 | "Return the lowercase character version of @var{chr}.") |
1bbd0b84 | 280 | #define FUNC_NAME s_scm_char_downcase |
0f2d19dd | 281 | { |
34d19ef6 | 282 | SCM_VALIDATE_CHAR (1, chr); |
904a78f1 | 283 | return SCM_MAKE_CHAR (scm_c_downcase (SCM_CHAR(chr))); |
0f2d19dd | 284 | } |
1bbd0b84 | 285 | #undef FUNC_NAME |
0f2d19dd JB |
286 | |
287 | \f | |
288 | ||
289 | ||
290 | ||
84fad130 HWN |
291 | /* |
292 | TODO: change name to scm_i_.. ? --hwn | |
293 | */ | |
294 | ||
1cc91f1b | 295 | |
904a78f1 MG |
296 | scm_t_wchar |
297 | scm_c_upcase (scm_t_wchar c) | |
0f2d19dd | 298 | { |
4cd00cc6 MG |
299 | if (c > 255) |
300 | return c; | |
301 | ||
302 | return toupper ((int) c); | |
0f2d19dd JB |
303 | } |
304 | ||
1cc91f1b | 305 | |
904a78f1 MG |
306 | scm_t_wchar |
307 | scm_c_downcase (scm_t_wchar c) | |
0f2d19dd | 308 | { |
4cd00cc6 MG |
309 | if (c > 255) |
310 | return c; | |
311 | ||
312 | return tolower ((int) c); | |
0f2d19dd JB |
313 | } |
314 | ||
77332b21 | 315 | \f |
0f2d19dd | 316 | |
77332b21 MG |
317 | /* There are a few sets of character names: R5RS, Guile |
318 | extensions for control characters, and leftover Guile extensions. | |
319 | They are listed in order of precedence. */ | |
320 | ||
64bad3f5 MG |
321 | static const char *const scm_r5rs_charnames[] = { |
322 | "space", "newline" | |
323 | }; | |
77332b21 | 324 | |
64bad3f5 MG |
325 | static const scm_t_uint32 const scm_r5rs_charnums[] = { |
326 | 0x20, 0x0A | |
327 | }; | |
77332b21 | 328 | |
64bad3f5 | 329 | #define SCM_N_R5RS_CHARNAMES (sizeof (scm_r5rs_charnames) / sizeof (char *)) |
77332b21 MG |
330 | |
331 | /* The abbreviated names for control characters. */ | |
64bad3f5 MG |
332 | static const char *const scm_C0_control_charnames[] = { |
333 | /* C0 controls */ | |
334 | "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", | |
335 | "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", | |
336 | "dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb", | |
337 | "can", "em", "sub", "esc", "fs", "gs", "rs", "us", | |
338 | "sp", "del" | |
339 | }; | |
340 | ||
341 | static const scm_t_uint32 const scm_C0_control_charnums[] = { | |
342 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
343 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, | |
344 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
345 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, | |
346 | 0x20, 0x7f | |
347 | }; | |
348 | ||
349 | #define SCM_N_C0_CONTROL_CHARNAMES (sizeof (scm_C0_control_charnames) / sizeof (char *)) | |
350 | ||
351 | static const char *const scm_alt_charnames[] = { | |
352 | "null", "backspace", "tab", "nl", "newline", "np", "page", "return", | |
353 | }; | |
354 | ||
355 | static const scm_t_uint32 const scm_alt_charnums[] = { | |
356 | 0x00, 0x08, 0x09, 0x0a, 0x0a, 0x0c, 0x0c, 0x0d | |
357 | }; | |
358 | ||
359 | #define SCM_N_ALT_CHARNAMES (sizeof (scm_alt_charnames) / sizeof (char *)) | |
77332b21 MG |
360 | |
361 | /* Returns the string charname for a character if it exists, or NULL | |
362 | otherwise. */ | |
363 | const char * | |
364 | scm_i_charname (SCM chr) | |
365 | { | |
366 | int c; | |
367 | scm_t_uint32 i = SCM_CHAR (chr); | |
0f2d19dd | 368 | |
64bad3f5 | 369 | for (c = 0; c < SCM_N_R5RS_CHARNAMES; c++) |
77332b21 MG |
370 | if (scm_r5rs_charnums[c] == i) |
371 | return scm_r5rs_charnames[c]; | |
0f2d19dd | 372 | |
64bad3f5 | 373 | for (c = 0; c < SCM_N_C0_CONTROL_CHARNAMES; c++) |
77332b21 MG |
374 | if (scm_C0_control_charnums[c] == i) |
375 | return scm_C0_control_charnames[c]; | |
376 | ||
64bad3f5 | 377 | for (c = 0; c < SCM_N_ALT_CHARNAMES; c++) |
77332b21 MG |
378 | if (scm_alt_charnums[c] == i) |
379 | return scm_alt_charnames[i]; | |
0f2d19dd | 380 | |
77332b21 MG |
381 | return NULL; |
382 | } | |
383 | ||
384 | /* Return a character from a string charname. */ | |
385 | SCM | |
386 | scm_i_charname_to_char (const char *charname, size_t charname_len) | |
387 | { | |
388 | int c; | |
389 | ||
390 | /* The R5RS charnames. These are supposed to be case | |
391 | insensitive. */ | |
64bad3f5 | 392 | for (c = 0; c < SCM_N_R5RS_CHARNAMES; c++) |
77332b21 MG |
393 | if ((strlen (scm_r5rs_charnames[c]) == charname_len) |
394 | && (!strncasecmp (scm_r5rs_charnames[c], charname, charname_len))) | |
395 | return SCM_MAKE_CHAR (scm_r5rs_charnums[c]); | |
396 | ||
397 | /* Then come the controls. These are not case sensitive. */ | |
64bad3f5 | 398 | for (c = 0; c < SCM_N_C0_CONTROL_CHARNAMES; c++) |
77332b21 MG |
399 | if ((strlen (scm_C0_control_charnames[c]) == charname_len) |
400 | && (!strncasecmp (scm_C0_control_charnames[c], charname, charname_len))) | |
401 | return SCM_MAKE_CHAR (scm_C0_control_charnums[c]); | |
402 | ||
403 | /* Lastly are some old names carried over for compatibility. */ | |
64bad3f5 | 404 | for (c = 0; c < SCM_N_ALT_CHARNAMES; c++) |
77332b21 MG |
405 | if ((strlen (scm_alt_charnames[c]) == charname_len) |
406 | && (!strncasecmp (scm_alt_charnames[c], charname, charname_len))) | |
407 | return SCM_MAKE_CHAR (scm_alt_charnums[c]); | |
64bad3f5 | 408 | |
77332b21 MG |
409 | return SCM_BOOL_F; |
410 | } | |
0f2d19dd JB |
411 | |
412 | \f | |
413 | ||
1cc91f1b | 414 | |
0f2d19dd JB |
415 | void |
416 | scm_init_chars () | |
0f2d19dd | 417 | { |
a0599745 | 418 | #include "libguile/chars.x" |
0f2d19dd JB |
419 | } |
420 | ||
89e00824 ML |
421 | |
422 | /* | |
423 | Local Variables: | |
424 | c-file-style: "gnu" | |
425 | End: | |
426 | */ |