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/* Dump the character classes and character maps of a locale to a bunch
of individual files which can be processed with diff, sed etc.
Copyright (C) 2000-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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.
The GNU C 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* Usage example:
$ dump-ctype de_DE.UTF-8
*/
#include <stdio.h>
#include <stdlib.h>
#include <wctype.h>
#include <locale.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
static const char *program_name = "dump-ctype";
static const char *locale;
static const char *class_names[] =
{
"alnum", "alpha", "blank", "cntrl", "digit", "graph", "lower",
"print", "punct", "space", "upper", "xdigit"
};
static const char *map_names[] =
{
"tolower", "toupper", "totitle"
};
static void dump_class (const char *class_name)
{
wctype_t class;
FILE *f;
unsigned int ch;
class = wctype (class_name);
if (class == (wctype_t) 0)
{
fprintf (stderr, "%s %s: noexistent class %s\n", program_name,
locale, class_name);
return;
}
f = fopen (class_name, "w");
if (f == NULL)
{
fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
locale, locale, class_name);
exit (1);
}
for (ch = 0; ch < 0x10000; ch++)
if (iswctype (ch, class))
fprintf (f, "0x%04X\n", ch);
if (ferror (f) || fclose (f))
{
fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
locale, locale, class_name);
exit (1);
}
}
static void dump_map (const char *map_name)
{
wctrans_t map;
FILE *f;
unsigned int ch;
map = wctrans (map_name);
if (map == (wctrans_t) 0)
{
fprintf (stderr, "%s %s: noexistent map %s\n", program_name,
locale, map_name);
return;
}
f = fopen (map_name, "w");
if (f == NULL)
{
fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
locale, locale, map_name);
exit (1);
}
for (ch = 0; ch < 0x10000; ch++)
if (towctrans (ch, map) != ch)
fprintf (f, "0x%04X\t0x%04X\n", ch, towctrans (ch, map));
if (ferror (f) || fclose (f))
{
fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
locale, locale, map_name);
exit (1);
}
}
int
main (int argc, char *argv[])
{
size_t i;
if (argc != 2)
{
fprintf (stderr, "Usage: dump-ctype locale\n");
exit (1);
}
locale = argv[1];
if (setlocale (LC_ALL, locale) == NULL)
{
fprintf (stderr, "%s: setlocale cannot switch to locale %s\n",
program_name, locale);
exit (1);
}
if (mkdir (locale, 0777) < 0)
{
char buf[100];
int save_errno = errno;
sprintf (buf, "%s: cannot create directory %s", program_name, locale);
errno = save_errno;
perror (buf);
exit (1);
}
if (chdir (locale) < 0)
{
char buf[100];
int save_errno = errno;
sprintf (buf, "%s: cannot chdir to %s", program_name, locale);
errno = save_errno;
perror (buf);
exit (1);
}
for (i = 0; i < sizeof (class_names) / sizeof (class_names[0]); i++)
dump_class (class_names[i]);
for (i = 0; i < sizeof (map_names) / sizeof (map_names[0]); i++)
dump_map (map_names[i]);
return 0;
}
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