mirror of
https://git.savannah.gnu.org/git/guile.git
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53befeb700
(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* )
371 lines
10 KiB
C
371 lines
10 KiB
C
/* Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <ctype.h>
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#include <limits.h>
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#include "libguile/_scm.h"
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#include "libguile/validate.h"
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#include "libguile/chars.h"
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#include "libguile/srfi-14.h"
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SCM_DEFINE (scm_char_p, "char?", 1, 0, 0,
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(SCM x),
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"Return @code{#t} iff @var{x} is a character, else @code{#f}.")
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#define FUNC_NAME s_scm_char_p
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{
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return scm_from_bool (SCM_CHARP(x));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_eq_p, "char=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is the same character as @var{y}, else @code{#f}.")
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#define FUNC_NAME s_scm_char_eq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (scm_is_eq (x, y));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_less_p, "char<?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence,\n"
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"else @code{#f}.")
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#define FUNC_NAME s_scm_char_less_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (SCM_CHAR(x) < SCM_CHAR(y));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_leq_p, "char<=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n"
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"ASCII sequence, else @code{#f}.")
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#define FUNC_NAME s_scm_char_leq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (SCM_CHAR(x) <= SCM_CHAR(y));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_gr_p, "char>?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n"
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"sequence, else @code{#f}.")
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#define FUNC_NAME s_scm_char_gr_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (SCM_CHAR(x) > SCM_CHAR(y));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_geq_p, "char>=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n"
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"ASCII sequence, else @code{#f}.")
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#define FUNC_NAME s_scm_char_geq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (SCM_CHAR(x) >= SCM_CHAR(y));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_ci_eq_p, "char-ci=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is the same character as @var{y} ignoring\n"
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"case, else @code{#f}.")
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#define FUNC_NAME s_scm_char_ci_eq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (scm_c_upcase(SCM_CHAR(x))==scm_c_upcase(SCM_CHAR(y)));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_ci_less_p, "char-ci<?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is less than @var{y} in the ASCII sequence\n"
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"ignoring case, else @code{#f}.")
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#define FUNC_NAME s_scm_char_ci_less_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool ((scm_c_upcase(SCM_CHAR(x))) < scm_c_upcase(SCM_CHAR(y)));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_ci_leq_p, "char-ci<=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n"
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"ASCII sequence ignoring case, else @code{#f}.")
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#define FUNC_NAME s_scm_char_ci_leq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) <= scm_c_upcase(SCM_CHAR(y)));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_ci_gr_p, "char-ci>?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is greater than @var{y} in the ASCII\n"
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"sequence ignoring case, else @code{#f}.")
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#define FUNC_NAME s_scm_char_ci_gr_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) > scm_c_upcase(SCM_CHAR(y)));
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}
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#undef FUNC_NAME
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SCM_DEFINE1 (scm_char_ci_geq_p, "char-ci>=?", scm_tc7_rpsubr,
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(SCM x, SCM y),
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"Return @code{#t} iff @var{x} is greater than or equal to @var{y} in the\n"
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"ASCII sequence ignoring case, else @code{#f}.")
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#define FUNC_NAME s_scm_char_ci_geq_p
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{
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SCM_VALIDATE_CHAR (1, x);
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SCM_VALIDATE_CHAR (2, y);
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return scm_from_bool (scm_c_upcase(SCM_CHAR(x)) >= scm_c_upcase(SCM_CHAR(y)));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_alphabetic_p, "char-alphabetic?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is alphabetic, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_alphabetic_p
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{
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return scm_char_set_contains_p (scm_char_set_letter, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_numeric_p, "char-numeric?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is numeric, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_numeric_p
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{
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return scm_char_set_contains_p (scm_char_set_digit, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_whitespace_p, "char-whitespace?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is whitespace, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_whitespace_p
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{
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return scm_char_set_contains_p (scm_char_set_whitespace, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_upper_case_p, "char-upper-case?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is uppercase, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_upper_case_p
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{
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return scm_char_set_contains_p (scm_char_set_upper_case, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_lower_case_p, "char-lower-case?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is lowercase, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_lower_case_p
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{
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return scm_char_set_contains_p (scm_char_set_lower_case, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_is_both_p, "char-is-both?", 1, 0, 0,
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(SCM chr),
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"Return @code{#t} iff @var{chr} is either uppercase or lowercase, else @code{#f}.\n")
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#define FUNC_NAME s_scm_char_is_both_p
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{
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if (scm_is_true (scm_char_set_contains_p (scm_char_set_lower_case, chr)))
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return SCM_BOOL_T;
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return scm_char_set_contains_p (scm_char_set_upper_case, chr);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_to_integer, "char->integer", 1, 0, 0,
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(SCM chr),
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"Return the number corresponding to ordinal position of @var{chr} in the\n"
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"ASCII sequence.")
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#define FUNC_NAME s_scm_char_to_integer
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{
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SCM_VALIDATE_CHAR (1, chr);
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return scm_from_ulong (SCM_CHAR(chr));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_integer_to_char, "integer->char", 1, 0, 0,
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(SCM n),
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"Return the character at position @var{n} in the ASCII sequence.")
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#define FUNC_NAME s_scm_integer_to_char
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{
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return SCM_MAKE_CHAR (scm_to_uchar (n));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_upcase, "char-upcase", 1, 0, 0,
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(SCM chr),
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"Return the uppercase character version of @var{chr}.")
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#define FUNC_NAME s_scm_char_upcase
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{
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SCM_VALIDATE_CHAR (1, chr);
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return SCM_MAKE_CHAR (toupper (SCM_CHAR (chr)));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_char_downcase, "char-downcase", 1, 0, 0,
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(SCM chr),
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"Return the lowercase character version of @var{chr}.")
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#define FUNC_NAME s_scm_char_downcase
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{
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SCM_VALIDATE_CHAR (1, chr);
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return SCM_MAKE_CHAR (tolower (SCM_CHAR(chr)));
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}
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#undef FUNC_NAME
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/*
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TODO: change name to scm_i_.. ? --hwn
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*/
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int
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scm_c_upcase (unsigned int c)
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{
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if (c <= UCHAR_MAX)
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return toupper (c);
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else
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return c;
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}
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int
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scm_c_downcase (unsigned int c)
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{
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if (c <= UCHAR_MAX)
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return tolower (c);
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else
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return c;
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}
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#ifdef _DCC
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# define ASCII
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#else
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# if (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301'))
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# define EBCDIC
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# endif /* (('\n'=='\025') && (' '=='\100') && ('a'=='\201') && ('A'=='\301')) */
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# if (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101'))
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# define ASCII
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# endif /* (('\n'=='\012') && (' '=='\040') && ('a'=='\141') && ('A'=='\101')) */
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#endif /* def _DCC */
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#ifdef EBCDIC
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char *const scm_charnames[] =
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{
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"nul", "soh", "stx", "etx", "pf", "ht", "lc", "del",
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0 , 0 , "smm", "vt", "ff", "cr", "so", "si",
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"dle", "dc1", "dc2", "dc3", "res", "nl", "bs", "il",
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"can", "em", "cc", 0 , "ifs", "igs", "irs", "ius",
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"ds", "sos", "fs", 0 , "byp", "lf", "eob", "pre",
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0 , 0 , "sm", 0 , 0 , "enq", "ack", "bel",
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0 , 0 , "syn", 0 , "pn", "rs", "uc", "eot",
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0 , 0 , 0 , 0 , "dc4", "nak", 0 , "sub",
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"space", scm_s_newline, "tab", "backspace", "return", "page", "null"};
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const char scm_charnums[] =
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"\000\001\002\003\004\005\006\007\
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\010\011\012\013\014\015\016\017\
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\020\021\022\023\024\025\026\027\
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\030\031\032\033\034\035\036\037\
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\040\041\042\043\044\045\046\047\
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\050\051\052\053\054\055\056\057\
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\060\061\062\063\064\065\066\067\
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\070\071\072\073\074\075\076\077\
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\n\t\b\r\f\0";
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#endif /* def EBCDIC */
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#ifdef ASCII
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char *const scm_charnames[] =
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{
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"nul","soh","stx","etx","eot","enq","ack","bel",
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"bs", "ht", "newline", "vt", "np", "cr", "so", "si",
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"dle","dc1","dc2","dc3","dc4","nak","syn","etb",
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"can", "em","sub","esc", "fs", "gs", "rs", "us",
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"space", "sp", "nl", "tab", "backspace", "return", "page", "null", "del"};
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const char scm_charnums[] =
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"\000\001\002\003\004\005\006\007\
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\010\011\012\013\014\015\016\017\
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\020\021\022\023\024\025\026\027\
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\030\031\032\033\034\035\036\037\
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\n\t\b\r\f\0\177";
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#endif /* def ASCII */
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int scm_n_charnames = sizeof (scm_charnames) / sizeof (char *);
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void
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scm_init_chars ()
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{
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#include "libguile/chars.x"
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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