Commit | Line | Data |
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465380de | 1 | /* Copyright (C) 1995,1996,1998, 2000, 2001, 2004 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
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 | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd JB |
19 | \f |
20 | ||
0f2d19dd | 21 | #include <ctype.h> |
465380de | 22 | #include <limits.h> |
a0599745 MD |
23 | #include "libguile/_scm.h" |
24 | #include "libguile/validate.h" | |
0f2d19dd | 25 | |
a0599745 | 26 | #include "libguile/chars.h" |
1fdbbd4c MV |
27 | #include "libguile/srfi-14.h" |
28 | ||
0f2d19dd JB |
29 | \f |
30 | ||
a1ec6916 | 31 | SCM_DEFINE (scm_char_p, "char?", 1, 0, 0, |
1bbd0b84 | 32 | (SCM x), |
cdbc7418 | 33 | "Return @code{#t} iff @var{x} is a character, else @code{#f}.") |
1bbd0b84 | 34 | #define FUNC_NAME s_scm_char_p |
0f2d19dd | 35 | { |
7888309b | 36 | return scm_from_bool (SCM_CHARP(x)); |
0f2d19dd | 37 | } |
1bbd0b84 | 38 | #undef FUNC_NAME |
0f2d19dd | 39 | |
c3ee7520 | 40 | SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr, |
1bbd0b84 | 41 | (SCM x, SCM y), |
cdbc7418 | 42 | "Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.") |
1bbd0b84 | 43 | #define FUNC_NAME s_scm_char_eq_p |
0f2d19dd | 44 | { |
362306b9 DH |
45 | SCM_VALIDATE_CHAR (1, x); |
46 | SCM_VALIDATE_CHAR (2, y); | |
bc36d050 | 47 | return scm_from_bool (scm_is_eq (x, y)); |
0f2d19dd | 48 | } |
1bbd0b84 | 49 | #undef FUNC_NAME |
0f2d19dd JB |
50 | |
51 | ||
c3ee7520 | 52 | SCM_DEFINE1 (scm_char_less_p, "char<?", scm_tc7_rpsubr, |
1bbd0b84 | 53 | (SCM x, SCM y), |
cdbc7418 NJ |
54 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence,\n" |
55 | "else @code{#f}.") | |
1bbd0b84 | 56 | #define FUNC_NAME s_scm_char_less_p |
0f2d19dd | 57 | { |
34d19ef6 HWN |
58 | SCM_VALIDATE_CHAR (1, x); |
59 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 60 | return scm_from_bool (SCM_CHAR(x) < SCM_CHAR(y)); |
0f2d19dd | 61 | } |
1bbd0b84 | 62 | #undef FUNC_NAME |
0f2d19dd | 63 | |
c3ee7520 | 64 | SCM_DEFINE1 (scm_char_leq_p, "char<=?", scm_tc7_rpsubr, |
1bbd0b84 | 65 | (SCM x, SCM y), |
cdbc7418 NJ |
66 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
67 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 68 | #define FUNC_NAME s_scm_char_leq_p |
0f2d19dd | 69 | { |
34d19ef6 HWN |
70 | SCM_VALIDATE_CHAR (1, x); |
71 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 72 | return scm_from_bool (SCM_CHAR(x) <= SCM_CHAR(y)); |
0f2d19dd | 73 | } |
1bbd0b84 | 74 | #undef FUNC_NAME |
0f2d19dd | 75 | |
c3ee7520 | 76 | SCM_DEFINE1 (scm_char_gr_p, "char>?", scm_tc7_rpsubr, |
1bbd0b84 | 77 | (SCM x, SCM y), |
cdbc7418 NJ |
78 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
79 | "sequence, else @code{#f}.") | |
1bbd0b84 | 80 | #define FUNC_NAME s_scm_char_gr_p |
0f2d19dd | 81 | { |
34d19ef6 HWN |
82 | SCM_VALIDATE_CHAR (1, x); |
83 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 84 | return scm_from_bool (SCM_CHAR(x) > SCM_CHAR(y)); |
0f2d19dd | 85 | } |
1bbd0b84 | 86 | #undef FUNC_NAME |
0f2d19dd | 87 | |
c3ee7520 | 88 | SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr, |
1bbd0b84 | 89 | (SCM x, SCM y), |
cdbc7418 NJ |
90 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
91 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 92 | #define FUNC_NAME s_scm_char_geq_p |
0f2d19dd | 93 | { |
34d19ef6 HWN |
94 | SCM_VALIDATE_CHAR (1, x); |
95 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 96 | return scm_from_bool (SCM_CHAR(x) >= SCM_CHAR(y)); |
0f2d19dd | 97 | } |
1bbd0b84 | 98 | #undef FUNC_NAME |
0f2d19dd | 99 | |
c3ee7520 | 100 | SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, |
1bbd0b84 | 101 | (SCM x, SCM y), |
cdbc7418 NJ |
102 | "Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n" |
103 | "case, else @code{#f}.") | |
1bbd0b84 | 104 | #define FUNC_NAME s_scm_char_ci_eq_p |
0f2d19dd | 105 | { |
34d19ef6 HWN |
106 | SCM_VALIDATE_CHAR (1, x); |
107 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 108 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x))==scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 109 | } |
1bbd0b84 | 110 | #undef FUNC_NAME |
0f2d19dd | 111 | |
c3ee7520 | 112 | SCM_DEFINE1 (scm_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr, |
1bbd0b84 | 113 | (SCM x, SCM y), |
cdbc7418 NJ |
114 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence\n" |
115 | "ignoring case, else @code{#f}.") | |
1bbd0b84 | 116 | #define FUNC_NAME s_scm_char_ci_less_p |
0f2d19dd | 117 | { |
34d19ef6 HWN |
118 | SCM_VALIDATE_CHAR (1, x); |
119 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 120 | return scm_from_bool ((scm_c_upcase(SCM_CHAR(x))) < scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 121 | } |
1bbd0b84 | 122 | #undef FUNC_NAME |
0f2d19dd | 123 | |
c3ee7520 | 124 | SCM_DEFINE1 (scm_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr, |
1bbd0b84 | 125 | (SCM x, SCM y), |
cdbc7418 NJ |
126 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
127 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 128 | #define FUNC_NAME s_scm_char_ci_leq_p |
0f2d19dd | 129 | { |
34d19ef6 HWN |
130 | SCM_VALIDATE_CHAR (1, x); |
131 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 132 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) <= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 133 | } |
1bbd0b84 | 134 | #undef FUNC_NAME |
0f2d19dd | 135 | |
c3ee7520 | 136 | SCM_DEFINE1 (scm_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr, |
1bbd0b84 | 137 | (SCM x, SCM y), |
cdbc7418 NJ |
138 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
139 | "sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 140 | #define FUNC_NAME s_scm_char_ci_gr_p |
0f2d19dd | 141 | { |
34d19ef6 HWN |
142 | SCM_VALIDATE_CHAR (1, x); |
143 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 144 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) > scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 145 | } |
1bbd0b84 | 146 | #undef FUNC_NAME |
0f2d19dd | 147 | |
c3ee7520 | 148 | SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, |
1bbd0b84 | 149 | (SCM x, SCM y), |
cdbc7418 NJ |
150 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
151 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 152 | #define FUNC_NAME s_scm_char_ci_geq_p |
0f2d19dd | 153 | { |
34d19ef6 HWN |
154 | SCM_VALIDATE_CHAR (1, x); |
155 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 156 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) >= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 157 | } |
1bbd0b84 | 158 | #undef FUNC_NAME |
0f2d19dd JB |
159 | |
160 | ||
3b3b36dd | 161 | SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, |
1bbd0b84 | 162 | (SCM chr), |
1fdbbd4c | 163 | "Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n") |
1bbd0b84 | 164 | #define FUNC_NAME s_scm_char_alphabetic_p |
0f2d19dd | 165 | { |
1fdbbd4c | 166 | return scm_char_set_contains_p (scm_char_set_letter, chr); |
0f2d19dd | 167 | } |
1bbd0b84 | 168 | #undef FUNC_NAME |
0f2d19dd | 169 | |
3b3b36dd | 170 | SCM_DEFINE (scm_char_numeric_p, "char-numeric?", 1, 0, 0, |
1bbd0b84 | 171 | (SCM chr), |
1fdbbd4c | 172 | "Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n") |
1bbd0b84 | 173 | #define FUNC_NAME s_scm_char_numeric_p |
0f2d19dd | 174 | { |
1fdbbd4c | 175 | return scm_char_set_contains_p (scm_char_set_digit, chr); |
0f2d19dd | 176 | } |
1bbd0b84 | 177 | #undef FUNC_NAME |
0f2d19dd | 178 | |
3b3b36dd | 179 | SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0, |
1bbd0b84 | 180 | (SCM chr), |
1fdbbd4c | 181 | "Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n") |
1bbd0b84 | 182 | #define FUNC_NAME s_scm_char_whitespace_p |
0f2d19dd | 183 | { |
1fdbbd4c | 184 | return scm_char_set_contains_p (scm_char_set_whitespace, chr); |
0f2d19dd | 185 | } |
1bbd0b84 | 186 | #undef FUNC_NAME |
0f2d19dd JB |
187 | |
188 | ||
189 | ||
3b3b36dd | 190 | SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0, |
1bbd0b84 | 191 | (SCM chr), |
1fdbbd4c | 192 | "Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n") |
1bbd0b84 | 193 | #define FUNC_NAME s_scm_char_upper_case_p |
0f2d19dd | 194 | { |
1fdbbd4c | 195 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); |
0f2d19dd | 196 | } |
1bbd0b84 | 197 | #undef FUNC_NAME |
0f2d19dd JB |
198 | |
199 | ||
3b3b36dd | 200 | SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0, |
1bbd0b84 | 201 | (SCM chr), |
1fdbbd4c | 202 | "Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n") |
1bbd0b84 | 203 | #define FUNC_NAME s_scm_char_lower_case_p |
0f2d19dd | 204 | { |
1fdbbd4c | 205 | return scm_char_set_contains_p (scm_char_set_lower_case, chr); |
0f2d19dd | 206 | } |
1bbd0b84 | 207 | #undef FUNC_NAME |
0f2d19dd JB |
208 | |
209 | ||
210 | ||
a1ec6916 | 211 | SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0, |
1bbd0b84 | 212 | (SCM chr), |
1fdbbd4c | 213 | "Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n") |
1bbd0b84 | 214 | #define FUNC_NAME s_scm_char_is_both_p |
0f2d19dd | 215 | { |
1fdbbd4c MV |
216 | if (scm_is_true (scm_char_set_contains_p (scm_char_set_lower_case, chr))) |
217 | return SCM_BOOL_T; | |
218 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); | |
0f2d19dd | 219 | } |
1bbd0b84 | 220 | #undef FUNC_NAME |
0f2d19dd JB |
221 | |
222 | ||
223 | ||
224 | ||
a1ec6916 | 225 | SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0, |
1bbd0b84 | 226 | (SCM chr), |
cdbc7418 NJ |
227 | "Return the number corresponding to ordinal position of @var{chr} in the\n" |
228 | "ASCII sequence.") | |
1bbd0b84 | 229 | #define FUNC_NAME s_scm_char_to_integer |
0f2d19dd | 230 | { |
34d19ef6 | 231 | SCM_VALIDATE_CHAR (1, chr); |
b9bd8526 | 232 | return scm_from_ulong (SCM_CHAR(chr)); |
0f2d19dd | 233 | } |
1bbd0b84 | 234 | #undef FUNC_NAME |
0f2d19dd JB |
235 | |
236 | ||
237 | ||
3b3b36dd | 238 | SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0, |
1bbd0b84 | 239 | (SCM n), |
cdbc7418 | 240 | "Return the character at position @var{n} in the ASCII sequence.") |
1bbd0b84 | 241 | #define FUNC_NAME s_scm_integer_to_char |
0f2d19dd | 242 | { |
a55c2b68 | 243 | return SCM_MAKE_CHAR (scm_to_uchar (n)); |
0f2d19dd | 244 | } |
1bbd0b84 | 245 | #undef FUNC_NAME |
0f2d19dd JB |
246 | |
247 | ||
3b3b36dd | 248 | SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0, |
1bbd0b84 | 249 | (SCM chr), |
cdbc7418 | 250 | "Return the uppercase character version of @var{chr}.") |
1bbd0b84 | 251 | #define FUNC_NAME s_scm_char_upcase |
0f2d19dd | 252 | { |
34d19ef6 | 253 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 254 | return SCM_MAKE_CHAR (toupper (SCM_CHAR (chr))); |
0f2d19dd | 255 | } |
1bbd0b84 | 256 | #undef FUNC_NAME |
0f2d19dd JB |
257 | |
258 | ||
3b3b36dd | 259 | SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0, |
1bbd0b84 | 260 | (SCM chr), |
cdbc7418 | 261 | "Return the lowercase character version of @var{chr}.") |
1bbd0b84 | 262 | #define FUNC_NAME s_scm_char_downcase |
0f2d19dd | 263 | { |
34d19ef6 | 264 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 265 | return SCM_MAKE_CHAR (tolower (SCM_CHAR(chr))); |
0f2d19dd | 266 | } |
1bbd0b84 | 267 | #undef FUNC_NAME |
0f2d19dd JB |
268 | |
269 | \f | |
270 | ||
271 | ||
272 | ||
84fad130 HWN |
273 | /* |
274 | TODO: change name to scm_i_.. ? --hwn | |
275 | */ | |
276 | ||
1cc91f1b | 277 | |
0f2d19dd | 278 | int |
84fad130 | 279 | scm_c_upcase (unsigned int c) |
0f2d19dd | 280 | { |
465380de KR |
281 | if (c <= UCHAR_MAX) |
282 | return toupper (c); | |
0f2d19dd JB |
283 | else |
284 | return c; | |
285 | } | |
286 | ||
1cc91f1b | 287 | |
0f2d19dd | 288 | int |
84fad130 | 289 | scm_c_downcase (unsigned int c) |
0f2d19dd | 290 | { |
465380de KR |
291 | if (c <= UCHAR_MAX) |
292 | return tolower (c); | |
0f2d19dd JB |
293 | else |
294 | return c; | |
295 | } | |
296 | ||
297 | ||
298 | #ifdef _DCC | |
299 | # define ASCII | |
300 | #else | |
301 | # if (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) | |
302 | # define EBCDIC | |
303 | # endif /* (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) */ | |
304 | # if (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) | |
305 | # define ASCII | |
306 | # endif /* (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) */ | |
307 | #endif /* def _DCC */ | |
308 | ||
309 | ||
310 | #ifdef EBCDIC | |
57e3a543 | 311 | char *const scm_charnames[] = |
0f2d19dd | 312 | { |
34d19ef6 HWN |
313 | "nul", "soh", "stx", "etx", "pf", "ht", "lc", "del", |
314 | 0 , 0 , "smm", "vt", "ff", "cr", "so", "si", | |
315 | "dle", "dc1", "dc2", "dc3", "res", "nl", "bs", "il", | |
316 | "can", "em", "cc", 0 , "ifs", "igs", "irs", "ius", | |
317 | "ds", "sos", "fs", 0 , "byp", "lf", "eob", "pre", | |
318 | 0 , 0 , "sm", 0 , 0 , "enq", "ack", "bel", | |
319 | 0 , 0 , "syn", 0 , "pn", "rs", "uc", "eot", | |
320 | 0 , 0 , 0 , 0 , "dc4", "nak", 0 , "sub", | |
0f2d19dd JB |
321 | "space", scm_s_newline, "tab", "backspace", "return", "page", "null"}; |
322 | ||
57e3a543 | 323 | const char scm_charnums[] = |
0f2d19dd JB |
324 | "\000\001\002\003\004\005\006\007\ |
325 | \010\011\012\013\014\015\016\017\ | |
326 | \020\021\022\023\024\025\026\027\ | |
327 | \030\031\032\033\034\035\036\037\ | |
328 | \040\041\042\043\044\045\046\047\ | |
329 | \050\051\052\053\054\055\056\057\ | |
330 | \060\061\062\063\064\065\066\067\ | |
331 | \070\071\072\073\074\075\076\077\ | |
332 | \n\t\b\r\f\0"; | |
333 | #endif /* def EBCDIC */ | |
334 | #ifdef ASCII | |
57e3a543 | 335 | char *const scm_charnames[] = |
0f2d19dd JB |
336 | { |
337 | "nul","soh","stx","etx","eot","enq","ack","bel", | |
35fd4394 | 338 | "bs", "ht", "newline", "vt", "np", "cr", "so", "si", |
0f2d19dd JB |
339 | "dle","dc1","dc2","dc3","dc4","nak","syn","etb", |
340 | "can", "em","sub","esc", "fs", "gs", "rs", "us", | |
66842ba3 | 341 | "space", "sp", "nl", "tab", "backspace", "return", "page", "null", "del"}; |
57e3a543 | 342 | const char scm_charnums[] = |
0f2d19dd JB |
343 | "\000\001\002\003\004\005\006\007\ |
344 | \010\011\012\013\014\015\016\017\ | |
345 | \020\021\022\023\024\025\026\027\ | |
346 | \030\031\032\033\034\035\036\037\ | |
66842ba3 | 347 | \n\t\b\r\f\0\177"; |
0f2d19dd JB |
348 | #endif /* def ASCII */ |
349 | ||
350 | int scm_n_charnames = sizeof (scm_charnames) / sizeof (char *); | |
351 | ||
352 | ||
353 | \f | |
354 | ||
1cc91f1b | 355 | |
0f2d19dd JB |
356 | void |
357 | scm_init_chars () | |
0f2d19dd | 358 | { |
a0599745 | 359 | #include "libguile/chars.x" |
0f2d19dd JB |
360 | } |
361 | ||
89e00824 ML |
362 | |
363 | /* | |
364 | Local Variables: | |
365 | c-file-style: "gnu" | |
366 | End: | |
367 | */ |