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glibc/localedata/dump-ctype.c
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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) 2000-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Bruno Haible <haible@clisp.cons.org>, 2000. | |
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 | |
<http://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; | |
} |