/* Copyright (C) 1995,1996,1998 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, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 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 #include #include "_scm.h" #include "chars.h" SCM_PROC(s_char_p, "char?", 1, 0, 0, scm_char_p); SCM scm_char_p(x) SCM x; { return SCM_ICHRP(x) ? SCM_BOOL_T : SCM_BOOL_F; } SCM_PROC1 (s_char_eq_p, "char=?", scm_tc7_rpsubr, scm_char_eq_p); SCM scm_char_eq_p(x, y) SCM x; SCM y; { 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_gr_p); SCM scm_char_gr_p(x, y) SCM x; SCM y; { 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); SCM scm_char_geq_p(x, y) SCM x; SCM y; { 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); SCM scm_char_ci_eq_p(x, y) SCM x; SCM y; { 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_gr_p); SCM scm_char_ci_gr_p(x, y) SCM x; SCM y; { 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); SCM scm_char_ci_geq_p(x, y) SCM x; SCM y; { 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); SCM scm_char_alphabetic_p(chr) SCM chr; { 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); SCM scm_char_numeric_p(chr) SCM chr; { 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); SCM scm_char_whitespace_p(chr) SCM chr; { 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); SCM scm_char_upper_case_p(chr) SCM chr; { 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); SCM scm_char_lower_case_p(chr) SCM chr; { 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); SCM scm_char_is_both_p (chr) SCM chr; { 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); SCM scm_char_to_integer(chr) SCM chr; { 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); SCM scm_integer_to_char(n) SCM n; { 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); SCM scm_char_upcase(chr) SCM chr; { 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); SCM scm_char_downcase(chr) SCM chr; { 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_CODE_LIMIT]; static unsigned char scm_downcase_table[SCM_CHAR_CODE_LIMIT]; static unsigned char scm_lowers[] = "abcdefghijklmnopqrstuvwxyz"; static unsigned char scm_uppers[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; void scm_tables_prehistory () { int i; for (i = 0; i < SCM_CHAR_CODE_LIMIT; i++) scm_upcase_table[i] = scm_downcase_table[i] = i; for (i = 0; i < (int) (sizeof scm_lowers / sizeof (scm_lowers[0])); i++) { scm_upcase_table[scm_lowers[i]] = scm_uppers[i]; scm_downcase_table[scm_uppers[i]] = scm_lowers[i]; } } int scm_upcase (c) unsigned int c; { if (c < sizeof (scm_upcase_table)) return scm_upcase_table[c]; else return c; } int scm_downcase (c) unsigned int c; { 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", "newline", "vt", "np", "cr", "so", "si", "dle","dc1","dc2","dc3","dc4","nak","syn","etb", "can", "em","sub","esc", "fs", "gs", "rs", "us", "space", "nl", "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 *); void scm_init_chars () { #include "chars.x" }