glibc/locale/programs/locale-spec.c

132 lines
3.5 KiB
C

/* Handle special requests.
Copyright (C) 1996-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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; version 2 of the License, 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 program; if not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <error.h>
#include <libintl.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include "localeinfo.h"
/* We provide support for some special names. This helps debugging
and may be useful for advanced usage of the provided information
outside C. */
void
locale_special (const char *name, int show_category_name,
int show_keyword_name)
{
#if 0
/* "collate-elements": print collation elements of locale. */
if (strcmp (name, "collate-elements") == 0)
{
size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_ELEM_HASH_SIZE);
if (show_category_name)
puts ("LC_COLLATE");
if (show_keyword_name)
fputs ("collate-elements=", stdout);
if (nelem != 0)
{
int first = 1;
size_t cnt;
for (cnt = 0; cnt < nelem; ++cnt)
if (__collate_element_hash[2 * cnt] != (~((u_int32_t) 0)))
{
size_t idx = __collate_element_hash[2 * cnt];
printf ("%s<%s>", first ? "" : ";",
&__collate_element_strings[idx]);
/* We don't print the string. This is only confusing
because only the programs have to know the
encoding. The code is left in place because it
shows how to get the information. */
{
const wchar_t *wp;
idx = __collate_element_hash[2 * cnt + 1];
wp = &__collate_element_values[idx];
while (*wp != L'\0')
{
/********************************************\
|* XXX The element values are really wide *|
|* chars. But we are currently not able to *|
|* print these so fake here. *|
\********************************************/
int ch = wctob (*wp++);
if (ch != EOF)
putchar (ch);
else
fputs ("<??\?>", stdout);
}
putchar ('"');
}
first = 0;
}
}
putchar ('\n');
return;
}
if (strcmp (name, "collate-classes") == 0)
{
size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_SYMB_HASH_SIZE);
size_t cnt;
int first = 1;
if (show_category_name)
puts ("LC_COLLATE");
if (show_keyword_name)
fputs ("collate-classes=", stdout);
for (cnt = 0; cnt < nelem; ++cnt)
if (__collate_symbol_hash[2 * cnt] != 0xffffffff)
{
printf ("%s<%s>", first ? "" : ",",
&__collate_symbol_strings[__collate_symbol_hash[2 * cnt]]);
#if 0
{
size_t idx = __collate_symbol_hash[2 * cnt + 1];
size_t cls;
putchar ('=');
for (cls = 0; cls < __collate_symbol_classes[idx]; ++cls)
printf ("%s%d", cls == 0 ? "" : ":",
__collate_symbol_classes[idx + 1 + cls]);
}
#endif
first = 0;
}
putchar ('\n');
return;
}
#endif
/* If nothing matches, fail. */
error (1, 0, gettext ("unknown name \"%s\""), name);
}