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authorJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
committerJim Blandy <jimb@red-bean.com>1996-07-25 22:56:11 +0000
commit0f2d19dd46f83f41177f61d585732b32a866d613 (patch)
tree86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/chars.c
downloadguile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/chars.c')
-rw-r--r--libguile/chars.c507
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"
+}
+