/* Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include "libguile/_scm.h" #include "libguile/validate.h" #include "libguile/chars.h" #include "libguile/srfi-14.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_from_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_from_bool (scm_is_eq (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_from_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_from_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_from_bool (scm_c_upcase(SCM_CHAR(x))==scm_c_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_from_bool (scm_c_upcase(SCM_CHAR(x)) > scm_c_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_from_bool (scm_c_upcase(SCM_CHAR(x)) >= scm_c_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") #define FUNC_NAME s_scm_char_alphabetic_p { return scm_char_set_contains_p (scm_char_set_letter, 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") #define FUNC_NAME s_scm_char_numeric_p { return scm_char_set_contains_p (scm_char_set_digit, 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") #define FUNC_NAME s_scm_char_whitespace_p { return scm_char_set_contains_p (scm_char_set_whitespace, 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") #define FUNC_NAME s_scm_char_upper_case_p { return scm_char_set_contains_p (scm_char_set_upper_case, 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") #define FUNC_NAME s_scm_char_lower_case_p { return scm_char_set_contains_p (scm_char_set_lower_case, 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") #define FUNC_NAME s_scm_char_is_both_p { if (scm_is_true (scm_char_set_contains_p (scm_char_set_lower_case, chr))) return SCM_BOOL_T; return scm_char_set_contains_p (scm_char_set_upper_case, 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_from_ulong (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 { return SCM_MAKE_CHAR (scm_to_uchar (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 /* TODO: change name to scm_i_.. ? --hwn */ int scm_c_upcase (unsigned int c) { if (c <= UCHAR_MAX) return toupper (c); else return c; } int scm_c_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: */