Commit | Line | Data |
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dbb605f5 | 1 | /* Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008 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 | 19 | \f |
dbb605f5 LC |
20 | #ifdef HAVE_CONFIG_H |
21 | # include <config.h> | |
22 | #endif | |
0f2d19dd | 23 | |
0f2d19dd | 24 | #include <ctype.h> |
465380de | 25 | #include <limits.h> |
a0599745 MD |
26 | #include "libguile/_scm.h" |
27 | #include "libguile/validate.h" | |
0f2d19dd | 28 | |
a0599745 | 29 | #include "libguile/chars.h" |
1fdbbd4c MV |
30 | #include "libguile/srfi-14.h" |
31 | ||
0f2d19dd JB |
32 | \f |
33 | ||
a1ec6916 | 34 | SCM_DEFINE (scm_char_p, "char?", 1, 0, 0, |
1bbd0b84 | 35 | (SCM x), |
cdbc7418 | 36 | "Return @code{#t} iff @var{x} is a character, else @code{#f}.") |
1bbd0b84 | 37 | #define FUNC_NAME s_scm_char_p |
0f2d19dd | 38 | { |
7888309b | 39 | return scm_from_bool (SCM_CHARP(x)); |
0f2d19dd | 40 | } |
1bbd0b84 | 41 | #undef FUNC_NAME |
0f2d19dd | 42 | |
c3ee7520 | 43 | SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr, |
1bbd0b84 | 44 | (SCM x, SCM y), |
cdbc7418 | 45 | "Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.") |
1bbd0b84 | 46 | #define FUNC_NAME s_scm_char_eq_p |
0f2d19dd | 47 | { |
362306b9 DH |
48 | SCM_VALIDATE_CHAR (1, x); |
49 | SCM_VALIDATE_CHAR (2, y); | |
bc36d050 | 50 | return scm_from_bool (scm_is_eq (x, y)); |
0f2d19dd | 51 | } |
1bbd0b84 | 52 | #undef FUNC_NAME |
0f2d19dd JB |
53 | |
54 | ||
c3ee7520 | 55 | SCM_DEFINE1 (scm_char_less_p, "char<?", scm_tc7_rpsubr, |
1bbd0b84 | 56 | (SCM x, SCM y), |
cdbc7418 NJ |
57 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence,\n" |
58 | "else @code{#f}.") | |
1bbd0b84 | 59 | #define FUNC_NAME s_scm_char_less_p |
0f2d19dd | 60 | { |
34d19ef6 HWN |
61 | SCM_VALIDATE_CHAR (1, x); |
62 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 63 | return scm_from_bool (SCM_CHAR(x) < SCM_CHAR(y)); |
0f2d19dd | 64 | } |
1bbd0b84 | 65 | #undef FUNC_NAME |
0f2d19dd | 66 | |
c3ee7520 | 67 | SCM_DEFINE1 (scm_char_leq_p, "char<=?", scm_tc7_rpsubr, |
1bbd0b84 | 68 | (SCM x, SCM y), |
cdbc7418 NJ |
69 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
70 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 71 | #define FUNC_NAME s_scm_char_leq_p |
0f2d19dd | 72 | { |
34d19ef6 HWN |
73 | SCM_VALIDATE_CHAR (1, x); |
74 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 75 | return scm_from_bool (SCM_CHAR(x) <= SCM_CHAR(y)); |
0f2d19dd | 76 | } |
1bbd0b84 | 77 | #undef FUNC_NAME |
0f2d19dd | 78 | |
c3ee7520 | 79 | SCM_DEFINE1 (scm_char_gr_p, "char>?", scm_tc7_rpsubr, |
1bbd0b84 | 80 | (SCM x, SCM y), |
cdbc7418 NJ |
81 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
82 | "sequence, else @code{#f}.") | |
1bbd0b84 | 83 | #define FUNC_NAME s_scm_char_gr_p |
0f2d19dd | 84 | { |
34d19ef6 HWN |
85 | SCM_VALIDATE_CHAR (1, x); |
86 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 87 | return scm_from_bool (SCM_CHAR(x) > SCM_CHAR(y)); |
0f2d19dd | 88 | } |
1bbd0b84 | 89 | #undef FUNC_NAME |
0f2d19dd | 90 | |
c3ee7520 | 91 | SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr, |
1bbd0b84 | 92 | (SCM x, SCM y), |
cdbc7418 NJ |
93 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
94 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 95 | #define FUNC_NAME s_scm_char_geq_p |
0f2d19dd | 96 | { |
34d19ef6 HWN |
97 | SCM_VALIDATE_CHAR (1, x); |
98 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 99 | return scm_from_bool (SCM_CHAR(x) >= SCM_CHAR(y)); |
0f2d19dd | 100 | } |
1bbd0b84 | 101 | #undef FUNC_NAME |
0f2d19dd | 102 | |
c3ee7520 | 103 | SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, |
1bbd0b84 | 104 | (SCM x, SCM y), |
cdbc7418 NJ |
105 | "Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n" |
106 | "case, else @code{#f}.") | |
1bbd0b84 | 107 | #define FUNC_NAME s_scm_char_ci_eq_p |
0f2d19dd | 108 | { |
34d19ef6 HWN |
109 | SCM_VALIDATE_CHAR (1, x); |
110 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 111 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x))==scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 112 | } |
1bbd0b84 | 113 | #undef FUNC_NAME |
0f2d19dd | 114 | |
c3ee7520 | 115 | SCM_DEFINE1 (scm_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr, |
1bbd0b84 | 116 | (SCM x, SCM y), |
cdbc7418 NJ |
117 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence\n" |
118 | "ignoring case, else @code{#f}.") | |
1bbd0b84 | 119 | #define FUNC_NAME s_scm_char_ci_less_p |
0f2d19dd | 120 | { |
34d19ef6 HWN |
121 | SCM_VALIDATE_CHAR (1, x); |
122 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 123 | return scm_from_bool ((scm_c_upcase(SCM_CHAR(x))) < scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 124 | } |
1bbd0b84 | 125 | #undef FUNC_NAME |
0f2d19dd | 126 | |
c3ee7520 | 127 | SCM_DEFINE1 (scm_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr, |
1bbd0b84 | 128 | (SCM x, SCM y), |
cdbc7418 NJ |
129 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
130 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 131 | #define FUNC_NAME s_scm_char_ci_leq_p |
0f2d19dd | 132 | { |
34d19ef6 HWN |
133 | SCM_VALIDATE_CHAR (1, x); |
134 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 135 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) <= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 136 | } |
1bbd0b84 | 137 | #undef FUNC_NAME |
0f2d19dd | 138 | |
c3ee7520 | 139 | SCM_DEFINE1 (scm_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr, |
1bbd0b84 | 140 | (SCM x, SCM y), |
cdbc7418 NJ |
141 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
142 | "sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 143 | #define FUNC_NAME s_scm_char_ci_gr_p |
0f2d19dd | 144 | { |
34d19ef6 HWN |
145 | SCM_VALIDATE_CHAR (1, x); |
146 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 147 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) > scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 148 | } |
1bbd0b84 | 149 | #undef FUNC_NAME |
0f2d19dd | 150 | |
c3ee7520 | 151 | SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, |
1bbd0b84 | 152 | (SCM x, SCM y), |
cdbc7418 NJ |
153 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
154 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 155 | #define FUNC_NAME s_scm_char_ci_geq_p |
0f2d19dd | 156 | { |
34d19ef6 HWN |
157 | SCM_VALIDATE_CHAR (1, x); |
158 | SCM_VALIDATE_CHAR (2, y); | |
7888309b | 159 | return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) >= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 160 | } |
1bbd0b84 | 161 | #undef FUNC_NAME |
0f2d19dd JB |
162 | |
163 | ||
3b3b36dd | 164 | SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, |
1bbd0b84 | 165 | (SCM chr), |
1fdbbd4c | 166 | "Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n") |
1bbd0b84 | 167 | #define FUNC_NAME s_scm_char_alphabetic_p |
0f2d19dd | 168 | { |
1fdbbd4c | 169 | return scm_char_set_contains_p (scm_char_set_letter, chr); |
0f2d19dd | 170 | } |
1bbd0b84 | 171 | #undef FUNC_NAME |
0f2d19dd | 172 | |
3b3b36dd | 173 | SCM_DEFINE (scm_char_numeric_p, "char-numeric?", 1, 0, 0, |
1bbd0b84 | 174 | (SCM chr), |
1fdbbd4c | 175 | "Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n") |
1bbd0b84 | 176 | #define FUNC_NAME s_scm_char_numeric_p |
0f2d19dd | 177 | { |
1fdbbd4c | 178 | return scm_char_set_contains_p (scm_char_set_digit, chr); |
0f2d19dd | 179 | } |
1bbd0b84 | 180 | #undef FUNC_NAME |
0f2d19dd | 181 | |
3b3b36dd | 182 | SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0, |
1bbd0b84 | 183 | (SCM chr), |
1fdbbd4c | 184 | "Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n") |
1bbd0b84 | 185 | #define FUNC_NAME s_scm_char_whitespace_p |
0f2d19dd | 186 | { |
1fdbbd4c | 187 | return scm_char_set_contains_p (scm_char_set_whitespace, chr); |
0f2d19dd | 188 | } |
1bbd0b84 | 189 | #undef FUNC_NAME |
0f2d19dd JB |
190 | |
191 | ||
192 | ||
3b3b36dd | 193 | SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0, |
1bbd0b84 | 194 | (SCM chr), |
1fdbbd4c | 195 | "Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n") |
1bbd0b84 | 196 | #define FUNC_NAME s_scm_char_upper_case_p |
0f2d19dd | 197 | { |
1fdbbd4c | 198 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); |
0f2d19dd | 199 | } |
1bbd0b84 | 200 | #undef FUNC_NAME |
0f2d19dd JB |
201 | |
202 | ||
3b3b36dd | 203 | SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0, |
1bbd0b84 | 204 | (SCM chr), |
1fdbbd4c | 205 | "Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n") |
1bbd0b84 | 206 | #define FUNC_NAME s_scm_char_lower_case_p |
0f2d19dd | 207 | { |
1fdbbd4c | 208 | return scm_char_set_contains_p (scm_char_set_lower_case, chr); |
0f2d19dd | 209 | } |
1bbd0b84 | 210 | #undef FUNC_NAME |
0f2d19dd JB |
211 | |
212 | ||
213 | ||
a1ec6916 | 214 | SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0, |
1bbd0b84 | 215 | (SCM chr), |
1fdbbd4c | 216 | "Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n") |
1bbd0b84 | 217 | #define FUNC_NAME s_scm_char_is_both_p |
0f2d19dd | 218 | { |
1fdbbd4c MV |
219 | if (scm_is_true (scm_char_set_contains_p (scm_char_set_lower_case, chr))) |
220 | return SCM_BOOL_T; | |
221 | return scm_char_set_contains_p (scm_char_set_upper_case, chr); | |
0f2d19dd | 222 | } |
1bbd0b84 | 223 | #undef FUNC_NAME |
0f2d19dd JB |
224 | |
225 | ||
226 | ||
227 | ||
a1ec6916 | 228 | SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0, |
1bbd0b84 | 229 | (SCM chr), |
cdbc7418 NJ |
230 | "Return the number corresponding to ordinal position of @var{chr} in the\n" |
231 | "ASCII sequence.") | |
1bbd0b84 | 232 | #define FUNC_NAME s_scm_char_to_integer |
0f2d19dd | 233 | { |
34d19ef6 | 234 | SCM_VALIDATE_CHAR (1, chr); |
b9bd8526 | 235 | return scm_from_ulong (SCM_CHAR(chr)); |
0f2d19dd | 236 | } |
1bbd0b84 | 237 | #undef FUNC_NAME |
0f2d19dd JB |
238 | |
239 | ||
240 | ||
3b3b36dd | 241 | SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0, |
1bbd0b84 | 242 | (SCM n), |
cdbc7418 | 243 | "Return the character at position @var{n} in the ASCII sequence.") |
1bbd0b84 | 244 | #define FUNC_NAME s_scm_integer_to_char |
0f2d19dd | 245 | { |
a55c2b68 | 246 | return SCM_MAKE_CHAR (scm_to_uchar (n)); |
0f2d19dd | 247 | } |
1bbd0b84 | 248 | #undef FUNC_NAME |
0f2d19dd JB |
249 | |
250 | ||
3b3b36dd | 251 | SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0, |
1bbd0b84 | 252 | (SCM chr), |
cdbc7418 | 253 | "Return the uppercase character version of @var{chr}.") |
1bbd0b84 | 254 | #define FUNC_NAME s_scm_char_upcase |
0f2d19dd | 255 | { |
34d19ef6 | 256 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 257 | return SCM_MAKE_CHAR (toupper (SCM_CHAR (chr))); |
0f2d19dd | 258 | } |
1bbd0b84 | 259 | #undef FUNC_NAME |
0f2d19dd JB |
260 | |
261 | ||
3b3b36dd | 262 | SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0, |
1bbd0b84 | 263 | (SCM chr), |
cdbc7418 | 264 | "Return the lowercase character version of @var{chr}.") |
1bbd0b84 | 265 | #define FUNC_NAME s_scm_char_downcase |
0f2d19dd | 266 | { |
34d19ef6 | 267 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 268 | return SCM_MAKE_CHAR (tolower (SCM_CHAR(chr))); |
0f2d19dd | 269 | } |
1bbd0b84 | 270 | #undef FUNC_NAME |
0f2d19dd JB |
271 | |
272 | \f | |
273 | ||
274 | ||
275 | ||
84fad130 HWN |
276 | /* |
277 | TODO: change name to scm_i_.. ? --hwn | |
278 | */ | |
279 | ||
1cc91f1b | 280 | |
0f2d19dd | 281 | int |
84fad130 | 282 | scm_c_upcase (unsigned int c) |
0f2d19dd | 283 | { |
465380de KR |
284 | if (c <= UCHAR_MAX) |
285 | return toupper (c); | |
0f2d19dd JB |
286 | else |
287 | return c; | |
288 | } | |
289 | ||
1cc91f1b | 290 | |
0f2d19dd | 291 | int |
84fad130 | 292 | scm_c_downcase (unsigned int c) |
0f2d19dd | 293 | { |
465380de KR |
294 | if (c <= UCHAR_MAX) |
295 | return tolower (c); | |
0f2d19dd JB |
296 | else |
297 | return c; | |
298 | } | |
299 | ||
300 | ||
301 | #ifdef _DCC | |
302 | # define ASCII | |
303 | #else | |
304 | # if (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) | |
305 | # define EBCDIC | |
306 | # endif /* (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) */ | |
307 | # if (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) | |
308 | # define ASCII | |
309 | # endif /* (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) */ | |
310 | #endif /* def _DCC */ | |
311 | ||
312 | ||
313 | #ifdef EBCDIC | |
57e3a543 | 314 | char *const scm_charnames[] = |
0f2d19dd | 315 | { |
34d19ef6 HWN |
316 | "nul", "soh", "stx", "etx", "pf", "ht", "lc", "del", |
317 | 0 , 0 , "smm", "vt", "ff", "cr", "so", "si", | |
318 | "dle", "dc1", "dc2", "dc3", "res", "nl", "bs", "il", | |
319 | "can", "em", "cc", 0 , "ifs", "igs", "irs", "ius", | |
320 | "ds", "sos", "fs", 0 , "byp", "lf", "eob", "pre", | |
321 | 0 , 0 , "sm", 0 , 0 , "enq", "ack", "bel", | |
322 | 0 , 0 , "syn", 0 , "pn", "rs", "uc", "eot", | |
323 | 0 , 0 , 0 , 0 , "dc4", "nak", 0 , "sub", | |
0f2d19dd JB |
324 | "space", scm_s_newline, "tab", "backspace", "return", "page", "null"}; |
325 | ||
57e3a543 | 326 | const char scm_charnums[] = |
0f2d19dd JB |
327 | "\000\001\002\003\004\005\006\007\ |
328 | \010\011\012\013\014\015\016\017\ | |
329 | \020\021\022\023\024\025\026\027\ | |
330 | \030\031\032\033\034\035\036\037\ | |
331 | \040\041\042\043\044\045\046\047\ | |
332 | \050\051\052\053\054\055\056\057\ | |
333 | \060\061\062\063\064\065\066\067\ | |
334 | \070\071\072\073\074\075\076\077\ | |
335 | \n\t\b\r\f\0"; | |
336 | #endif /* def EBCDIC */ | |
337 | #ifdef ASCII | |
57e3a543 | 338 | char *const scm_charnames[] = |
0f2d19dd JB |
339 | { |
340 | "nul","soh","stx","etx","eot","enq","ack","bel", | |
35fd4394 | 341 | "bs", "ht", "newline", "vt", "np", "cr", "so", "si", |
0f2d19dd JB |
342 | "dle","dc1","dc2","dc3","dc4","nak","syn","etb", |
343 | "can", "em","sub","esc", "fs", "gs", "rs", "us", | |
66842ba3 | 344 | "space", "sp", "nl", "tab", "backspace", "return", "page", "null", "del"}; |
57e3a543 | 345 | const char scm_charnums[] = |
0f2d19dd JB |
346 | "\000\001\002\003\004\005\006\007\ |
347 | \010\011\012\013\014\015\016\017\ | |
348 | \020\021\022\023\024\025\026\027\ | |
349 | \030\031\032\033\034\035\036\037\ | |
66842ba3 | 350 | \n\t\b\r\f\0\177"; |
0f2d19dd JB |
351 | #endif /* def ASCII */ |
352 | ||
353 | int scm_n_charnames = sizeof (scm_charnames) / sizeof (char *); | |
354 | ||
355 | ||
356 | \f | |
357 | ||
1cc91f1b | 358 | |
0f2d19dd JB |
359 | void |
360 | scm_init_chars () | |
0f2d19dd | 361 | { |
a0599745 | 362 | #include "libguile/chars.x" |
0f2d19dd JB |
363 | } |
364 | ||
89e00824 ML |
365 | |
366 | /* | |
367 | Local Variables: | |
368 | c-file-style: "gnu" | |
369 | End: | |
370 | */ |