/* Copyright (C) 1995,1996,1998, 2000, 2001, 2004 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 "libguile/_scm.h" #include "libguile/validate.h" #include "libguile/chars.h" SCM_DEFINE (scm_char_p, "char?", 1, 0, 0, (SCM x), "Return @code{#t} iff @var{x} is a character, else @code{#f}.") #define FUNC_NAME s_scm_char_p { return SCM_BOOL(SCM_CHARP(x)); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.") #define FUNC_NAME s_scm_char_eq_p { SCM_VALIDATE_CHAR (1, x); SCM_VALIDATE_CHAR (2, y); return SCM_BOOL (SCM_EQ_P (x, y)); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_less_p, "char?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" "sequence, else @code{#f}.") #define FUNC_NAME s_scm_char_gr_p { SCM_VALIDATE_CHAR (1,x); SCM_VALIDATE_CHAR (2,y); return SCM_BOOL(SCM_CHAR(x) > SCM_CHAR(y)); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" "ASCII sequence, else @code{#f}.") #define FUNC_NAME s_scm_char_geq_p { SCM_VALIDATE_CHAR (1,x); SCM_VALIDATE_CHAR (2,y); return SCM_BOOL(SCM_CHAR(x) >= SCM_CHAR(y)); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n" "case, else @code{#f}.") #define FUNC_NAME s_scm_char_ci_eq_p { SCM_VALIDATE_CHAR (1,x); SCM_VALIDATE_CHAR (2,y); return SCM_BOOL(scm_upcase(SCM_CHAR(x))==scm_upcase(SCM_CHAR(y))); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_ci_less_p, "char-ci?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n" "sequence ignoring case, else @code{#f}.") #define FUNC_NAME s_scm_char_ci_gr_p { SCM_VALIDATE_CHAR (1,x); SCM_VALIDATE_CHAR (2,y); return SCM_BOOL(scm_upcase(SCM_CHAR(x)) > scm_upcase(SCM_CHAR(y))); } #undef FUNC_NAME SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr, (SCM x, SCM y), "Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n" "ASCII sequence ignoring case, else @code{#f}.") #define FUNC_NAME s_scm_char_ci_geq_p { SCM_VALIDATE_CHAR (1,x); SCM_VALIDATE_CHAR (2,y); return SCM_BOOL(scm_upcase(SCM_CHAR(x)) >= scm_upcase(SCM_CHAR(y))); } #undef FUNC_NAME SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n" "Alphabetic means the same thing as the isalpha C library function.") #define FUNC_NAME s_scm_char_alphabetic_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL(isalpha(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_numeric_p, "char-numeric?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n" "Numeric means the same thing as the isdigit C library function.") #define FUNC_NAME s_scm_char_numeric_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL(isdigit(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n" "Whitespace means the same thing as the isspace C library function.") #define FUNC_NAME s_scm_char_whitespace_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL(isspace(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n" "Uppercase means the same thing as the isupper C library function.") #define FUNC_NAME s_scm_char_upper_case_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL(isupper(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n" "Lowercase means the same thing as the islower C library function.") #define FUNC_NAME s_scm_char_lower_case_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL(islower(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0, (SCM chr), "Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n" "Uppercase and lowercase are as defined by the isupper and islower\n" "C library functions.") #define FUNC_NAME s_scm_char_is_both_p { SCM_VALIDATE_CHAR (1,chr); return SCM_BOOL((isupper(SCM_CHAR(chr)) || islower(SCM_CHAR(chr)))); } #undef FUNC_NAME SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0, (SCM chr), "Return the number corresponding to ordinal position of @var{chr} in the\n" "ASCII sequence.") #define FUNC_NAME s_scm_char_to_integer { SCM_VALIDATE_CHAR (1,chr); return scm_ulong2num((unsigned long)SCM_CHAR(chr)); } #undef FUNC_NAME SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0, (SCM n), "Return the character at position @var{n} in the ASCII sequence.") #define FUNC_NAME s_scm_integer_to_char { SCM_VALIDATE_INUM_RANGE (1, n, 0, 256); return SCM_MAKE_CHAR (SCM_INUM (n)); } #undef FUNC_NAME SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0, (SCM chr), "Return the uppercase character version of @var{chr}.") #define FUNC_NAME s_scm_char_upcase { SCM_VALIDATE_CHAR (1,chr); return SCM_MAKE_CHAR(toupper(SCM_CHAR(chr))); } #undef FUNC_NAME SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0, (SCM chr), "Return the lowercase character version of @var{chr}.") #define FUNC_NAME s_scm_char_downcase { SCM_VALIDATE_CHAR (1,chr); return SCM_MAKE_CHAR(tolower(SCM_CHAR(chr))); } #undef FUNC_NAME int scm_upcase (unsigned int c) { if (c <= UCHAR_MAX) return toupper (c); else return c; } int scm_downcase (unsigned int c) { if (c <= UCHAR_MAX) return tolower (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 *const 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"}; const 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 *const 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", "sp", "nl", "tab", "backspace", "return", "page", "null", "del"}; const 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 "libguile/chars.x" } /* Local Variables: c-file-style: "gnu" End: */