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 | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
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" |
0f2d19dd JB |
27 | \f |
28 | ||
a1ec6916 | 29 | SCM_DEFINE (scm_char_p, "char?", 1, 0, 0, |
1bbd0b84 | 30 | (SCM x), |
cdbc7418 | 31 | "Return @code{#t} iff @var{x} is a character, else @code{#f}.") |
1bbd0b84 | 32 | #define FUNC_NAME s_scm_char_p |
0f2d19dd | 33 | { |
7866a09b | 34 | return SCM_BOOL(SCM_CHARP(x)); |
0f2d19dd | 35 | } |
1bbd0b84 | 36 | #undef FUNC_NAME |
0f2d19dd | 37 | |
c3ee7520 | 38 | SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr, |
1bbd0b84 | 39 | (SCM x, SCM y), |
cdbc7418 | 40 | "Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.") |
1bbd0b84 | 41 | #define FUNC_NAME s_scm_char_eq_p |
0f2d19dd | 42 | { |
362306b9 DH |
43 | SCM_VALIDATE_CHAR (1, x); |
44 | SCM_VALIDATE_CHAR (2, y); | |
45 | return SCM_BOOL (SCM_EQ_P (x, y)); | |
0f2d19dd | 46 | } |
1bbd0b84 | 47 | #undef FUNC_NAME |
0f2d19dd JB |
48 | |
49 | ||
c3ee7520 | 50 | SCM_DEFINE1 (scm_char_less_p, "char<?", scm_tc7_rpsubr, |
1bbd0b84 | 51 | (SCM x, SCM y), |
cdbc7418 NJ |
52 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence,\n" |
53 | "else @code{#f}.") | |
1bbd0b84 | 54 | #define FUNC_NAME s_scm_char_less_p |
0f2d19dd | 55 | { |
34d19ef6 HWN |
56 | SCM_VALIDATE_CHAR (1, x); |
57 | SCM_VALIDATE_CHAR (2, y); | |
7866a09b | 58 | return SCM_BOOL(SCM_CHAR(x) < SCM_CHAR(y)); |
0f2d19dd | 59 | } |
1bbd0b84 | 60 | #undef FUNC_NAME |
0f2d19dd | 61 | |
c3ee7520 | 62 | SCM_DEFINE1 (scm_char_leq_p, "char<=?", scm_tc7_rpsubr, |
1bbd0b84 | 63 | (SCM x, SCM y), |
cdbc7418 NJ |
64 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
65 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 66 | #define FUNC_NAME s_scm_char_leq_p |
0f2d19dd | 67 | { |
34d19ef6 HWN |
68 | SCM_VALIDATE_CHAR (1, x); |
69 | SCM_VALIDATE_CHAR (2, y); | |
7866a09b | 70 | return SCM_BOOL(SCM_CHAR(x) <= SCM_CHAR(y)); |
0f2d19dd | 71 | } |
1bbd0b84 | 72 | #undef FUNC_NAME |
0f2d19dd | 73 | |
c3ee7520 | 74 | SCM_DEFINE1 (scm_char_gr_p, "char>?", scm_tc7_rpsubr, |
1bbd0b84 | 75 | (SCM x, SCM y), |
cdbc7418 NJ |
76 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
77 | "sequence, else @code{#f}.") | |
1bbd0b84 | 78 | #define FUNC_NAME s_scm_char_gr_p |
0f2d19dd | 79 | { |
34d19ef6 HWN |
80 | SCM_VALIDATE_CHAR (1, x); |
81 | SCM_VALIDATE_CHAR (2, y); | |
7866a09b | 82 | return SCM_BOOL(SCM_CHAR(x) > SCM_CHAR(y)); |
0f2d19dd | 83 | } |
1bbd0b84 | 84 | #undef FUNC_NAME |
0f2d19dd | 85 | |
c3ee7520 | 86 | SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr, |
1bbd0b84 | 87 | (SCM x, SCM y), |
cdbc7418 NJ |
88 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
89 | "ASCII sequence, else @code{#f}.") | |
1bbd0b84 | 90 | #define FUNC_NAME s_scm_char_geq_p |
0f2d19dd | 91 | { |
34d19ef6 HWN |
92 | SCM_VALIDATE_CHAR (1, x); |
93 | SCM_VALIDATE_CHAR (2, y); | |
7866a09b | 94 | return SCM_BOOL(SCM_CHAR(x) >= SCM_CHAR(y)); |
0f2d19dd | 95 | } |
1bbd0b84 | 96 | #undef FUNC_NAME |
0f2d19dd | 97 | |
c3ee7520 | 98 | SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, |
1bbd0b84 | 99 | (SCM x, SCM y), |
cdbc7418 NJ |
100 | "Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n" |
101 | "case, else @code{#f}.") | |
1bbd0b84 | 102 | #define FUNC_NAME s_scm_char_ci_eq_p |
0f2d19dd | 103 | { |
34d19ef6 HWN |
104 | SCM_VALIDATE_CHAR (1, x); |
105 | SCM_VALIDATE_CHAR (2, y); | |
84fad130 | 106 | return SCM_BOOL(scm_c_upcase(SCM_CHAR(x))==scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 107 | } |
1bbd0b84 | 108 | #undef FUNC_NAME |
0f2d19dd | 109 | |
c3ee7520 | 110 | SCM_DEFINE1 (scm_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr, |
1bbd0b84 | 111 | (SCM x, SCM y), |
cdbc7418 NJ |
112 | "Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence\n" |
113 | "ignoring case, else @code{#f}.") | |
1bbd0b84 | 114 | #define FUNC_NAME s_scm_char_ci_less_p |
0f2d19dd | 115 | { |
34d19ef6 HWN |
116 | SCM_VALIDATE_CHAR (1, x); |
117 | SCM_VALIDATE_CHAR (2, y); | |
84fad130 | 118 | return SCM_BOOL((scm_c_upcase(SCM_CHAR(x))) < scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 119 | } |
1bbd0b84 | 120 | #undef FUNC_NAME |
0f2d19dd | 121 | |
c3ee7520 | 122 | SCM_DEFINE1 (scm_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr, |
1bbd0b84 | 123 | (SCM x, SCM y), |
cdbc7418 NJ |
124 | "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n" |
125 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 126 | #define FUNC_NAME s_scm_char_ci_leq_p |
0f2d19dd | 127 | { |
34d19ef6 HWN |
128 | SCM_VALIDATE_CHAR (1, x); |
129 | SCM_VALIDATE_CHAR (2, y); | |
84fad130 | 130 | return SCM_BOOL(scm_c_upcase(SCM_CHAR(x)) <= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 131 | } |
1bbd0b84 | 132 | #undef FUNC_NAME |
0f2d19dd | 133 | |
c3ee7520 | 134 | SCM_DEFINE1 (scm_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr, |
1bbd0b84 | 135 | (SCM x, SCM y), |
cdbc7418 NJ |
136 | "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" |
137 | "sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 138 | #define FUNC_NAME s_scm_char_ci_gr_p |
0f2d19dd | 139 | { |
34d19ef6 HWN |
140 | SCM_VALIDATE_CHAR (1, x); |
141 | SCM_VALIDATE_CHAR (2, y); | |
84fad130 | 142 | return SCM_BOOL(scm_c_upcase(SCM_CHAR(x)) > scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 143 | } |
1bbd0b84 | 144 | #undef FUNC_NAME |
0f2d19dd | 145 | |
c3ee7520 | 146 | SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, |
1bbd0b84 | 147 | (SCM x, SCM y), |
cdbc7418 NJ |
148 | "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" |
149 | "ASCII sequence ignoring case, else @code{#f}.") | |
1bbd0b84 | 150 | #define FUNC_NAME s_scm_char_ci_geq_p |
0f2d19dd | 151 | { |
34d19ef6 HWN |
152 | SCM_VALIDATE_CHAR (1, x); |
153 | SCM_VALIDATE_CHAR (2, y); | |
84fad130 | 154 | return SCM_BOOL(scm_c_upcase(SCM_CHAR(x)) >= scm_c_upcase(SCM_CHAR(y))); |
0f2d19dd | 155 | } |
1bbd0b84 | 156 | #undef FUNC_NAME |
0f2d19dd JB |
157 | |
158 | ||
3b3b36dd | 159 | SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, |
1bbd0b84 | 160 | (SCM chr), |
cdbc7418 | 161 | "Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n" |
b380b885 | 162 | "Alphabetic means the same thing as the isalpha C library function.") |
1bbd0b84 | 163 | #define FUNC_NAME s_scm_char_alphabetic_p |
0f2d19dd | 164 | { |
34d19ef6 | 165 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 166 | return SCM_BOOL(isalpha(SCM_CHAR(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), |
cdbc7418 | 172 | "Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n" |
b380b885 | 173 | "Numeric means the same thing as the isdigit C library function.") |
1bbd0b84 | 174 | #define FUNC_NAME s_scm_char_numeric_p |
0f2d19dd | 175 | { |
34d19ef6 | 176 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 177 | return SCM_BOOL(isdigit(SCM_CHAR(chr))); |
0f2d19dd | 178 | } |
1bbd0b84 | 179 | #undef FUNC_NAME |
0f2d19dd | 180 | |
3b3b36dd | 181 | SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0, |
1bbd0b84 | 182 | (SCM chr), |
cdbc7418 | 183 | "Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n" |
b380b885 | 184 | "Whitespace means the same thing as the isspace C library function.") |
1bbd0b84 | 185 | #define FUNC_NAME s_scm_char_whitespace_p |
0f2d19dd | 186 | { |
34d19ef6 | 187 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 188 | return SCM_BOOL(isspace(SCM_CHAR(chr))); |
0f2d19dd | 189 | } |
1bbd0b84 | 190 | #undef FUNC_NAME |
0f2d19dd JB |
191 | |
192 | ||
193 | ||
3b3b36dd | 194 | SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0, |
1bbd0b84 | 195 | (SCM chr), |
cdbc7418 | 196 | "Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n" |
b380b885 | 197 | "Uppercase means the same thing as the isupper C library function.") |
1bbd0b84 | 198 | #define FUNC_NAME s_scm_char_upper_case_p |
0f2d19dd | 199 | { |
34d19ef6 | 200 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 201 | return SCM_BOOL(isupper(SCM_CHAR(chr))); |
0f2d19dd | 202 | } |
1bbd0b84 | 203 | #undef FUNC_NAME |
0f2d19dd JB |
204 | |
205 | ||
3b3b36dd | 206 | SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0, |
1bbd0b84 | 207 | (SCM chr), |
cdbc7418 | 208 | "Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n" |
b380b885 | 209 | "Lowercase means the same thing as the islower C library function.") |
1bbd0b84 | 210 | #define FUNC_NAME s_scm_char_lower_case_p |
0f2d19dd | 211 | { |
34d19ef6 | 212 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 213 | return SCM_BOOL(islower(SCM_CHAR(chr))); |
0f2d19dd | 214 | } |
1bbd0b84 | 215 | #undef FUNC_NAME |
0f2d19dd JB |
216 | |
217 | ||
218 | ||
a1ec6916 | 219 | SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0, |
1bbd0b84 | 220 | (SCM chr), |
cdbc7418 | 221 | "Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n" |
b380b885 MD |
222 | "Uppercase and lowercase are as defined by the isupper and islower\n" |
223 | "C library functions.") | |
1bbd0b84 | 224 | #define FUNC_NAME s_scm_char_is_both_p |
0f2d19dd | 225 | { |
34d19ef6 | 226 | SCM_VALIDATE_CHAR (1, chr); |
ccbd262b | 227 | return SCM_BOOL((isupper(SCM_CHAR(chr)) || islower(SCM_CHAR(chr)))); |
0f2d19dd | 228 | } |
1bbd0b84 | 229 | #undef FUNC_NAME |
0f2d19dd JB |
230 | |
231 | ||
232 | ||
233 | ||
a1ec6916 | 234 | SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0, |
1bbd0b84 | 235 | (SCM chr), |
cdbc7418 NJ |
236 | "Return the number corresponding to ordinal position of @var{chr} in the\n" |
237 | "ASCII sequence.") | |
1bbd0b84 | 238 | #define FUNC_NAME s_scm_char_to_integer |
0f2d19dd | 239 | { |
34d19ef6 | 240 | SCM_VALIDATE_CHAR (1, chr); |
7866a09b | 241 | return scm_ulong2num((unsigned long)SCM_CHAR(chr)); |
0f2d19dd | 242 | } |
1bbd0b84 | 243 | #undef FUNC_NAME |
0f2d19dd JB |
244 | |
245 | ||
246 | ||
3b3b36dd | 247 | SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0, |
1bbd0b84 | 248 | (SCM n), |
cdbc7418 | 249 | "Return the character at position @var{n} in the ASCII sequence.") |
1bbd0b84 | 250 | #define FUNC_NAME s_scm_integer_to_char |
0f2d19dd | 251 | { |
90e49489 | 252 | SCM_VALIDATE_INUM_RANGE (1, n, 0, 256); |
7866a09b | 253 | return SCM_MAKE_CHAR (SCM_INUM (n)); |
0f2d19dd | 254 | } |
1bbd0b84 | 255 | #undef FUNC_NAME |
0f2d19dd JB |
256 | |
257 | ||
3b3b36dd | 258 | SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0, |
1bbd0b84 | 259 | (SCM chr), |
cdbc7418 | 260 | "Return the uppercase character version of @var{chr}.") |
1bbd0b84 | 261 | #define FUNC_NAME s_scm_char_upcase |
0f2d19dd | 262 | { |
34d19ef6 | 263 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 264 | return SCM_MAKE_CHAR (toupper (SCM_CHAR (chr))); |
0f2d19dd | 265 | } |
1bbd0b84 | 266 | #undef FUNC_NAME |
0f2d19dd JB |
267 | |
268 | ||
3b3b36dd | 269 | SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0, |
1bbd0b84 | 270 | (SCM chr), |
cdbc7418 | 271 | "Return the lowercase character version of @var{chr}.") |
1bbd0b84 | 272 | #define FUNC_NAME s_scm_char_downcase |
0f2d19dd | 273 | { |
34d19ef6 | 274 | SCM_VALIDATE_CHAR (1, chr); |
465380de | 275 | return SCM_MAKE_CHAR (tolower (SCM_CHAR(chr))); |
0f2d19dd | 276 | } |
1bbd0b84 | 277 | #undef FUNC_NAME |
0f2d19dd JB |
278 | |
279 | \f | |
280 | ||
281 | ||
282 | ||
84fad130 HWN |
283 | /* |
284 | TODO: change name to scm_i_.. ? --hwn | |
285 | */ | |
286 | ||
1cc91f1b | 287 | |
0f2d19dd | 288 | int |
84fad130 | 289 | scm_c_upcase (unsigned int c) |
0f2d19dd | 290 | { |
465380de KR |
291 | if (c <= UCHAR_MAX) |
292 | return toupper (c); | |
0f2d19dd JB |
293 | else |
294 | return c; | |
295 | } | |
296 | ||
1cc91f1b | 297 | |
0f2d19dd | 298 | int |
84fad130 | 299 | scm_c_downcase (unsigned int c) |
0f2d19dd | 300 | { |
465380de KR |
301 | if (c <= UCHAR_MAX) |
302 | return tolower (c); | |
0f2d19dd JB |
303 | else |
304 | return c; | |
305 | } | |
306 | ||
307 | ||
308 | #ifdef _DCC | |
309 | # define ASCII | |
310 | #else | |
311 | # if (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) | |
312 | # define EBCDIC | |
313 | # endif /* (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) */ | |
314 | # if (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) | |
315 | # define ASCII | |
316 | # endif /* (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) */ | |
317 | #endif /* def _DCC */ | |
318 | ||
319 | ||
320 | #ifdef EBCDIC | |
57e3a543 | 321 | char *const scm_charnames[] = |
0f2d19dd | 322 | { |
34d19ef6 HWN |
323 | "nul", "soh", "stx", "etx", "pf", "ht", "lc", "del", |
324 | 0 , 0 , "smm", "vt", "ff", "cr", "so", "si", | |
325 | "dle", "dc1", "dc2", "dc3", "res", "nl", "bs", "il", | |
326 | "can", "em", "cc", 0 , "ifs", "igs", "irs", "ius", | |
327 | "ds", "sos", "fs", 0 , "byp", "lf", "eob", "pre", | |
328 | 0 , 0 , "sm", 0 , 0 , "enq", "ack", "bel", | |
329 | 0 , 0 , "syn", 0 , "pn", "rs", "uc", "eot", | |
330 | 0 , 0 , 0 , 0 , "dc4", "nak", 0 , "sub", | |
0f2d19dd JB |
331 | "space", scm_s_newline, "tab", "backspace", "return", "page", "null"}; |
332 | ||
57e3a543 | 333 | const char scm_charnums[] = |
0f2d19dd JB |
334 | "\000\001\002\003\004\005\006\007\ |
335 | \010\011\012\013\014\015\016\017\ | |
336 | \020\021\022\023\024\025\026\027\ | |
337 | \030\031\032\033\034\035\036\037\ | |
338 | \040\041\042\043\044\045\046\047\ | |
339 | \050\051\052\053\054\055\056\057\ | |
340 | \060\061\062\063\064\065\066\067\ | |
341 | \070\071\072\073\074\075\076\077\ | |
342 | \n\t\b\r\f\0"; | |
343 | #endif /* def EBCDIC */ | |
344 | #ifdef ASCII | |
57e3a543 | 345 | char *const scm_charnames[] = |
0f2d19dd JB |
346 | { |
347 | "nul","soh","stx","etx","eot","enq","ack","bel", | |
35fd4394 | 348 | "bs", "ht", "newline", "vt", "np", "cr", "so", "si", |
0f2d19dd JB |
349 | "dle","dc1","dc2","dc3","dc4","nak","syn","etb", |
350 | "can", "em","sub","esc", "fs", "gs", "rs", "us", | |
35fd4394 | 351 | "space", "nl", "tab", "backspace", "return", "page", "null", "del"}; |
57e3a543 | 352 | const char scm_charnums[] = |
0f2d19dd JB |
353 | "\000\001\002\003\004\005\006\007\ |
354 | \010\011\012\013\014\015\016\017\ | |
355 | \020\021\022\023\024\025\026\027\ | |
356 | \030\031\032\033\034\035\036\037\ | |
357 | \n\t\b\r\f\0\177"; | |
358 | #endif /* def ASCII */ | |
359 | ||
360 | int scm_n_charnames = sizeof (scm_charnames) / sizeof (char *); | |
361 | ||
362 | ||
363 | \f | |
364 | ||
1cc91f1b | 365 | |
0f2d19dd JB |
366 | void |
367 | scm_init_chars () | |
0f2d19dd | 368 | { |
a0599745 | 369 | #include "libguile/chars.x" |
0f2d19dd JB |
370 | } |
371 | ||
89e00824 ML |
372 | |
373 | /* | |
374 | Local Variables: | |
375 | c-file-style: "gnu" | |
376 | End: | |
377 | */ |