--- /dev/null
+/* 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 2.1 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
+ */
+
+
+\f
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <ctype.h>
+#include <limits.h>
+#include "libguile/_scm.h"
+#include "libguile/validate.h"
+
+#include "libguile/chars.h"
+#include "libguile/srfi-14.h"
+
+\f
+
+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 less than @var{y} in the ASCII sequence,\n"
+ "else @code{#f}.")
+#define FUNC_NAME s_scm_char_less_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_leq_p, "char<=?", scm_tc7_rpsubr,
+ (SCM x, SCM y),
+ "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n"
+ "ASCII sequence, else @code{#f}.")
+#define FUNC_NAME s_scm_char_leq_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_gr_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 less than @var{y} in the ASCII sequence\n"
+ "ignoring case, else @code{#f}.")
+#define FUNC_NAME s_scm_char_ci_less_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_leq_p, "char-ci<=?", scm_tc7_rpsubr,
+ (SCM x, SCM y),
+ "Return @code{#t} iff @var{x} is less than or equal to @var{y} in the\n"
+ "ASCII sequence ignoring case, else @code{#f}.")
+#define FUNC_NAME s_scm_char_ci_leq_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_gr_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
+
+\f
+
+
+
+/*
+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 *);
+
+
+\f
+
+
+void
+scm_init_chars ()
+{
+#include "libguile/chars.x"
+}
+
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
projects / lilypond.git / blobdiff