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author | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
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committer | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
commit | 0f2d19dd46f83f41177f61d585732b32a866d613 (patch) | |
tree | 86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/chars.c | |
download | guile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz |
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/chars.c')
-rw-r--r-- | libguile/chars.c | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/libguile/chars.c b/libguile/chars.c new file mode 100644 index 000000000..70ec0ab82 --- /dev/null +++ b/libguile/chars.c @@ -0,0 +1,507 @@ +/* Copyright (C) 1995,1996 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * As a special exception, the Free Software Foundation gives permission + * for additional uses of the text contained in its release of GUILE. + * + * The exception is that, if you link the GUILE library with other files + * to produce an executable, this does not by itself cause the + * resulting executable to be covered by the GNU General Public License. + * Your use of that executable is in no way restricted on account of + * linking the GUILE library code into it. + * + * This exception does not however invalidate any other reasons why + * the executable file might be covered by the GNU General Public License. + * + * This exception applies only to the code released by the + * Free Software Foundation under the name GUILE. If you copy + * code from other Free Software Foundation releases into a copy of + * GUILE, as the General Public License permits, the exception does + * not apply to the code that you add in this way. To avoid misleading + * anyone as to the status of such modified files, you must delete + * this exception notice from them. + * + * If you write modifications of your own for GUILE, it is your choice + * whether to permit this exception to apply to your modifications. + * If you do not wish that, delete this exception notice. + */ + + +#include <stdio.h> +#include <ctype.h> +#include "_scm.h" + + + + + +SCM_PROC(s_char_p, "char?", 1, 0, 0, scm_char_p); +#ifdef __STDC__ +SCM +scm_char_p(SCM x) +#else +SCM +scm_char_p(x) + SCM x; +#endif +{ + return SCM_ICHRP(x) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_eq_p, "char=?", scm_tc7_rpsubr, scm_char_eq_p); +#ifdef __STDC__ +SCM +scm_char_eq_p(SCM x, SCM y) +#else +SCM +scm_char_eq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_eq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_eq_p); + return (SCM_ICHR(x) == SCM_ICHR(y)) ? SCM_BOOL_T : SCM_BOOL_F; +} + + +SCM_PROC1 (s_char_less_p, "char<?", scm_tc7_rpsubr, scm_char_less_p); +#ifdef __STDC__ +SCM +scm_char_less_p(SCM x, SCM y) +#else +SCM +scm_char_less_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_less_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_less_p); + return (SCM_ICHR(x) < SCM_ICHR(y)) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_leq_p, "char<=?", scm_tc7_rpsubr, scm_char_leq_p); +#ifdef __STDC__ +SCM +scm_char_leq_p(SCM x, SCM y) +#else +SCM +scm_char_leq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_leq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_leq_p); + return (SCM_ICHR(x) <= SCM_ICHR(y)) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_gr_p, "char>?", scm_tc7_rpsubr, scm_char_gr_p); +#ifdef __STDC__ +SCM +scm_char_gr_p(SCM x, SCM y) +#else +SCM +scm_char_gr_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_gr_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_gr_p); + return (SCM_ICHR(x) > SCM_ICHR(y)) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_geq_p, "char>=?", scm_tc7_rpsubr, scm_char_geq_p); +#ifdef __STDC__ +SCM +scm_char_geq_p(SCM x, SCM y) +#else +SCM +scm_char_geq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_geq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_geq_p); + return (SCM_ICHR(x) >= SCM_ICHR(y)) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, scm_char_ci_eq_p); +#ifdef __STDC__ +SCM +scm_char_ci_eq_p(SCM x, SCM y) +#else +SCM +scm_char_ci_eq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_ci_eq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_ci_eq_p); + return (scm_upcase(SCM_ICHR(x))==scm_upcase(SCM_ICHR(y))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr, scm_char_ci_less_p); +#ifdef __STDC__ +SCM +scm_char_ci_less_p(SCM x, SCM y) +#else +SCM +scm_char_ci_less_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_ci_less_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_ci_less_p); + return (scm_upcase(SCM_ICHR(x)) < scm_upcase(SCM_ICHR(y))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr, scm_char_ci_leq_p); +#ifdef __STDC__ +SCM +scm_char_ci_leq_p(SCM x, SCM y) +#else +SCM +scm_char_ci_leq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_ci_leq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_ci_leq_p); + return (scm_upcase(SCM_ICHR(x)) <= scm_upcase(SCM_ICHR(y))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr, scm_char_ci_gr_p); +#ifdef __STDC__ +SCM +scm_char_ci_gr_p(SCM x, SCM y) +#else +SCM +scm_char_ci_gr_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_ci_gr_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_ci_gr_p); + return (scm_upcase(SCM_ICHR(x)) > scm_upcase(SCM_ICHR(y))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC1 (s_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, scm_char_ci_geq_p); +#ifdef __STDC__ +SCM +scm_char_ci_geq_p(SCM x, SCM y) +#else +SCM +scm_char_ci_geq_p(x, y) + SCM x; + SCM y; +#endif +{ + SCM_ASSERT(SCM_ICHRP(x), x, SCM_ARG1, s_char_ci_geq_p); + SCM_ASSERT(SCM_ICHRP(y), y, SCM_ARG2, s_char_ci_geq_p); + return (scm_upcase(SCM_ICHR(x)) >= scm_upcase(SCM_ICHR(y))) ? SCM_BOOL_T : SCM_BOOL_F; +} + + +SCM_PROC(s_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, scm_char_alphabetic_p); +#ifdef __STDC__ +SCM +scm_char_alphabetic_p(SCM chr) +#else +SCM +scm_char_alphabetic_p(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_alphabetic_p); + return (isascii(SCM_ICHR(chr)) && isalpha(SCM_ICHR(chr))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC(s_char_numeric_p, "char-numeric?", 1, 0, 0, scm_char_numeric_p); +#ifdef __STDC__ +SCM +scm_char_numeric_p(SCM chr) +#else +SCM +scm_char_numeric_p(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_numeric_p); + return (isascii(SCM_ICHR(chr)) && isdigit(SCM_ICHR(chr))) ? SCM_BOOL_T : SCM_BOOL_F; +} + +SCM_PROC(s_char_whitespace_p, "char-whitespace?", 1, 0, 0, scm_char_whitespace_p); +#ifdef __STDC__ +SCM +scm_char_whitespace_p(SCM chr) +#else +SCM +scm_char_whitespace_p(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_whitespace_p); + return (isascii(SCM_ICHR(chr)) && isspace(SCM_ICHR(chr))) ? SCM_BOOL_T : SCM_BOOL_F; +} + + + +SCM_PROC(s_char_upper_case_p, "char-upper-case?", 1, 0, 0, scm_char_upper_case_p); +#ifdef __STDC__ +SCM +scm_char_upper_case_p(SCM chr) +#else +SCM +scm_char_upper_case_p(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_upper_case_p); + return (isascii(SCM_ICHR(chr)) && isupper(SCM_ICHR(chr))) ? SCM_BOOL_T : SCM_BOOL_F; +} + + +SCM_PROC(s_char_lower_case_p, "char-lower-case?", 1, 0, 0, scm_char_lower_case_p); +#ifdef __STDC__ +SCM +scm_char_lower_case_p(SCM chr) +#else +SCM +scm_char_lower_case_p(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_lower_case_p); + return (isascii(SCM_ICHR(chr)) && islower(SCM_ICHR(chr))) ? SCM_BOOL_T : SCM_BOOL_F; +} + + + +SCM_PROC (s_char_is_both_p, "char-is-both?", 1, 0, 0, scm_char_is_both_p); +#ifdef __STDC__ +SCM +scm_char_is_both_p (SCM chr) +#else +SCM +scm_char_is_both_p (chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_upper_case_p); + return ((isascii(SCM_ICHR(chr)) && (isupper(SCM_ICHR(chr)) || islower(SCM_ICHR(chr)))) + ? SCM_BOOL_T + : SCM_BOOL_F); +} + + + + +SCM_PROC(s_char_to_integer, "char->integer", 1, 0, 0, scm_char_to_integer); +#ifdef __STDC__ +SCM +scm_char_to_integer(SCM chr) +#else +SCM +scm_char_to_integer(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_to_integer); + return scm_ulong2num((unsigned long)SCM_ICHR(chr)); +} + + + +SCM_PROC(s_integer_to_char, "integer->char", 1, 0, 0, scm_integer_to_char); +#ifdef __STDC__ +SCM +scm_integer_to_char(SCM n) +#else +SCM +scm_integer_to_char(n) + SCM n; +#endif +{ + unsigned long ni; + + ni = 0xffff & scm_num2ulong (n, (char *)SCM_ARG1, s_integer_to_char); + return SCM_MAKICHR(SCM_INUM(n)); +} + + +SCM_PROC(s_char_upcase, "char-upcase", 1, 0, 0, scm_char_upcase); +#ifdef __STDC__ +SCM +scm_char_upcase(SCM chr) +#else +SCM +scm_char_upcase(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_upcase); + return SCM_MAKICHR(scm_upcase(SCM_ICHR(chr))); +} + + +SCM_PROC(s_char_downcase, "char-downcase", 1, 0, 0, scm_char_downcase); +#ifdef __STDC__ +SCM +scm_char_downcase(SCM chr) +#else +SCM +scm_char_downcase(chr) + SCM chr; +#endif +{ + SCM_ASSERT(SCM_ICHRP(chr), chr, SCM_ARG1, s_char_downcase); + return SCM_MAKICHR(scm_downcase(SCM_ICHR(chr))); +} + + + + + +static unsigned char scm_upcase_table[SCM_CHAR_SCM_CODE_LIMIT]; +static unsigned char scm_downcase_table[SCM_CHAR_SCM_CODE_LIMIT]; +static unsigned char scm_lowers[] = "abcdefghijklmnopqrstuvwxyz"; +static unsigned char scm_uppers[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + +#ifdef __STDC__ +void +scm_tables_prehistory (void) +#else +void +scm_tables_prehistory () +#endif +{ + int i; + for (i = 0; i < SCM_CHAR_SCM_CODE_LIMIT; i++) + scm_upcase_table[i] = scm_downcase_table[i] = i; + for (i = 0; i < sizeof scm_lowers / sizeof (char); i++) + { + scm_upcase_table[scm_lowers[i]] = scm_uppers[i]; + scm_downcase_table[scm_uppers[i]] = scm_lowers[i]; + } +} + +#ifdef __STDC__ +int +scm_upcase (unsigned int c) +#else +int +scm_upcase (c) + unsigned int c; +#endif +{ + if (c < sizeof (scm_upcase_table)) + return scm_upcase_table[c]; + else + return c; +} + +#ifdef __STDC__ +int +scm_downcase (unsigned int c) +#else +int +scm_downcase (c) + unsigned int c; +#endif +{ + if (c < sizeof (scm_downcase_table)) + return scm_downcase_table[c]; + else + return c; +} + + +#ifdef _DCC +# define ASCII +#else +# if (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) +# define EBCDIC +# endif /* (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) */ +# if (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) +# define ASCII +# endif /* (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) */ +#endif /* def _DCC */ + + +#ifdef EBCDIC +char *scm_charnames[] = +{ + "nul","soh","stx","etx", "pf", "ht", "lc","del", + 0 , 0 ,"smm", "vt", "ff", "cr", "so", "si", + "dle","dc1","dc2","dc3","res", "nl", "bs", "il", + "can", "em", "cc", 0 ,"ifs","igs","irs","ius", + "ds","sos", "fs", 0 ,"byp", "lf","eob","pre", + 0 , 0 , "sm", 0 , 0 ,"enq","ack","bel", + 0 , 0 ,"syn", 0 , "pn", "rs", "uc","eot", + 0 , 0 , 0 , 0 ,"dc4","nak", 0 ,"sub", + "space", scm_s_newline, "tab", "backspace", "return", "page", "null"}; + +char scm_charnums[] = +"\000\001\002\003\004\005\006\007\ +\010\011\012\013\014\015\016\017\ +\020\021\022\023\024\025\026\027\ +\030\031\032\033\034\035\036\037\ +\040\041\042\043\044\045\046\047\ +\050\051\052\053\054\055\056\057\ +\060\061\062\063\064\065\066\067\ +\070\071\072\073\074\075\076\077\ + \n\t\b\r\f\0"; +#endif /* def EBCDIC */ +#ifdef ASCII +char *scm_charnames[] = +{ + "nul","soh","stx","etx","eot","enq","ack","bel", + "bs", "ht", "nl", "vt", "np", "cr", "so", "si", + "dle","dc1","dc2","dc3","dc4","nak","syn","etb", + "can", "em","sub","esc", "fs", "gs", "rs", "us", + "space", "newline", "tab", "backspace", "return", "page", "null", "del"}; +char scm_charnums[] = +"\000\001\002\003\004\005\006\007\ +\010\011\012\013\014\015\016\017\ +\020\021\022\023\024\025\026\027\ +\030\031\032\033\034\035\036\037\ + \n\t\b\r\f\0\177"; +#endif /* def ASCII */ + +int scm_n_charnames = sizeof (scm_charnames) / sizeof (char *); + + + + +#ifdef __STDC__ +void +scm_init_chars (void) +#else +void +scm_init_chars () +#endif +{ +#include "chars.x" +} + |