glibc/locale/programs/ld-time.c

311 lines
9.1 KiB
C

/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <langinfo.h>
#include <string.h>
/* Undefine following line in production version. */
/* #define NDEBUG 1 */
#include <assert.h>
#include "locales.h"
#include "localeinfo.h"
#include "stringtrans.h"
void *xmalloc (size_t __n);
/* The real definition of the struct for the LC_TIME locale. */
struct locale_time_t
{
const char *abday[7];
size_t cur_num_abday;
const char *day[7];
size_t cur_num_day;
const char *abmon[12];
size_t cur_num_abmon;
const char *mon[12];
size_t cur_num_mon;
const char *am_pm[2];
size_t cur_num_am_pm;
const char *d_t_fmt;
const char *d_fmt;
const char *t_fmt;
const char *t_fmt_ampm;
const char *era;
const char *era_year;
const char *era_d_t_fmt;
const char *era_t_fmt;
const char *era_d_fmt;
const char *alt_digits[100];
size_t cur_num_alt_digits;
};
void
time_startup (struct linereader *lr, struct localedef_t *locale,
struct charset_t *charset)
{
struct locale_time_t *time;
/* It is important that we always use UCS1 encoding for strings now. */
encoding_method = ENC_UCS1;
locale->categories[LC_TIME].time = time =
(struct locale_time_t *) xmalloc (sizeof (struct locale_time_t));
memset (time, '\0', sizeof (struct locale_time_t));
}
void
time_finish (struct localedef_t *locale)
{
struct locale_time_t *time = locale->categories[LC_TIME].time;
#define TESTARR_ELEM(cat, max) \
if (time->cur_num_##cat == 0) \
error (0, 0, _("field `%s' in category `%s' not defined"), \
#cat, "LC_TIME"); \
else if (time->cur_num_##cat != max) \
error (0, 0, _("field `%s' in category `%s' has not enough values"), \
#cat, "LC_TIME")
TESTARR_ELEM (abday, 7);
TESTARR_ELEM (day, 7);
TESTARR_ELEM (abmon, 12);
TESTARR_ELEM (mon, 12);
TESTARR_ELEM (am_pm, 2);
#define TEST_ELEM(cat) \
if (time->cat == NULL) \
error (0, 0, _("field `%s' in category `%s' not defined"), \
#cat, "LC_TIME")
TEST_ELEM (d_t_fmt);
TEST_ELEM (d_fmt);
TEST_ELEM (t_fmt);
TEST_ELEM (t_fmt_ampm);
}
void
time_output (struct localedef_t *locale, const char *output_path)
{
struct locale_time_t *time = locale->categories[LC_TIME].time;
struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_TIME)
+ time->cur_num_alt_digits];
struct locale_file data;
u32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_TIME)];
size_t cnt, last_idx, num;
if ((locale->binary & (1 << LC_TIME)) != 0)
{
iov[0].iov_base = time;
iov[0].iov_len = locale->len[LC_TIME];
write_locale_data (output_path, "LC_TIME", 1, iov);
return;
}
data.magic = LIMAGIC (LC_TIME);
data.n = _NL_ITEM_INDEX (_NL_NUM_LC_TIME);
iov[0].iov_base = (void *) &data;
iov[0].iov_len = sizeof (data);
iov[1].iov_base = (void *) idx;
iov[1].iov_len = sizeof (idx);
idx[0] = iov[0].iov_len + iov[1].iov_len;
/* The ab'days. */
for (cnt = 0; cnt <= _NL_ITEM_INDEX (ABDAY_7); ++cnt)
{
iov[2 + cnt].iov_base =
(void *) (time->abday[cnt - _NL_ITEM_INDEX (ABDAY_1)] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
}
/* The days. */
for (; cnt <= _NL_ITEM_INDEX (DAY_7); ++cnt)
{
iov[2 + cnt].iov_base =
(void *) (time->day[cnt - _NL_ITEM_INDEX (DAY_1)] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
}
/* The ab'mons. */
for (; cnt <= _NL_ITEM_INDEX (ABMON_12); ++cnt)
{
iov[2 + cnt].iov_base =
(void *) (time->abmon[cnt - _NL_ITEM_INDEX (ABMON_1)] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
}
/* The mons. */
for (; cnt <= _NL_ITEM_INDEX (MON_12); ++cnt)
{
iov[2 + cnt].iov_base =
(void *) (time->mon[cnt - _NL_ITEM_INDEX (MON_1)] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
}
/* AM/PM. */
for (; cnt <= _NL_ITEM_INDEX (PM_STR); ++cnt)
{
iov[2 + cnt].iov_base =
(void *) (time->am_pm[cnt - _NL_ITEM_INDEX (AM_STR)] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
}
iov[2 + cnt].iov_base = (void *) (time->d_t_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->d_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->t_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->t_fmt_ampm ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->era ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->era_year ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->era_d_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
last_idx = ++cnt;
idx[1 + last_idx] = idx[last_idx];
for (num = 0; num < time->cur_num_alt_digits; ++num, ++cnt)
{
iov[2 + cnt].iov_base = (void *) (time->alt_digits[num] ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + last_idx] += iov[2 + cnt].iov_len;
}
++last_idx;
iov[2 + cnt].iov_base = (void *) (time->era_d_t_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
idx[1 + last_idx] = idx[last_idx] + iov[2 + cnt].iov_len;
++cnt;
iov[2 + cnt].iov_base = (void *) (time->era_d_fmt ?: "");
iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
++cnt;
assert (cnt == (_NL_ITEM_INDEX (_NL_NUM_LC_TIME) - 1
+ time->cur_num_alt_digits));
write_locale_data (output_path, "LC_TIME", 2 + cnt, iov);
}
void
time_add (struct linereader *lr, struct localedef_t *locale,
enum token_t tok, struct token *code,
struct charset_t *charset)
{
struct locale_time_t *time = locale->categories[LC_TIME].time;
switch (tok)
{
#define STRARR_ELEM(cat, max) \
case tok_##cat: \
if (time->cur_num_##cat >= max) \
lr_error (lr, _(" \
too many values for field `%s' in category `LC_TIME'"), \
#cat, "LC_TIME"); \
else if (code->val.str.start == NULL) \
{ \
lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
#cat, "LC_TIME"); \
time->cat[time->cur_num_##cat++] = ""; \
} \
else \
time->cat[time->cur_num_##cat++] \
= code->val.str.start; \
break
STRARR_ELEM (abday, 7);
STRARR_ELEM (day, 7);
STRARR_ELEM (abmon, 12);
STRARR_ELEM (mon, 12);
STRARR_ELEM (am_pm, 2);
STRARR_ELEM (alt_digits, 100);
#define STR_ELEM(cat) \
case tok_##cat: \
if (time->cat != NULL) \
lr_error (lr, _("\
field `%s' in category `%s' declared more than once"), \
#cat, "LC_TIME"); \
else if (code->val.str.start == NULL) \
{ \
lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
#cat, "LC_TIME"); \
time->cat = ""; \
} \
else \
time->cat = code->val.str.start; \
break
STR_ELEM (d_t_fmt);
STR_ELEM (d_fmt);
STR_ELEM (t_fmt);
STR_ELEM (t_fmt_ampm);
STR_ELEM (era);
STR_ELEM (era_year);
STR_ELEM (era_d_t_fmt);
STR_ELEM (era_d_fmt);
STR_ELEM (era_t_fmt);
default:
assert (! "unknown token in category `LC_TIME': should not happen");
}
}