gambas-source-code/main/gbx/gbx_local.c
gambas 3cd80f118d Allocate custom language environment variables statically, because environment is accessed by shared library exit routines, after the interpreter memory allocations have been freed.
[INTERPRETER]
* BUG: Allocate custom language environment variables statically, because environment is accessed by shared library exit routines, after the interpreter memory allocations have been freed.
2019-02-26 20:59:03 +01:00

1742 lines
32 KiB
C

/***************************************************************************
gbx_local.c
(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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; either version 2, 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __GBX_LOCAL_C
#include "gb_common.h"
#include "gb_common_buffer.h"
#include "gb_common_case.h"
#include "gb_error.h"
#include "gbx_value.h"
#include "gb_limit.h"
#include <locale.h>
#include <langinfo.h>
#include <time.h>
#include <ctype.h>
#include <float.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <libintl.h>
#include "gbx_math.h"
#include "gbx_date.h"
#include "gbx_string.h"
#include "gbx_c_string.h"
#include "gbx_api.h"
#include "gb_file.h"
#include "gbx_component.h"
#include "gbx_exec.h"
#include "gbx_archive.h"
#include "gbx_local.h"
//#define DEBUG_LANG
#define buffer_init COMMON_buffer_init
#define get_char COMMON_get_char
#define last_char COMMON_last_char
#define look_char COMMON_look_char
#define put_char COMMON_put_char
#define jump_space COMMON_jump_space
#define get_current COMMON_get_current
#define buffer_pos COMMON_pos
#define get_size_left COMMON_get_size_left
static void add_string(const char *src, int len, int *before);
/* System encoding*/
char *LOCAL_encoding = NULL;
/* If system encoding is UTF-8 */
bool LOCAL_is_UTF8;
/* Default 'C' localization */
LOCAL_INFO LOCAL_default = {
'.', '.',
NULL, 0, NULL, 0,
3, 3,
0,
'/', ':',
"",
"",
{ LO_MONTH, LO_DAY, LO_YEAR },
{ LO_HOUR, LO_MINUTE, LO_SECOND },
"dddd mmmm d yyyy",
"mmm d yyyy",
"mm/dd/yyyy",
"hh:nn:ss",
"hh:nn AM/PM",
"hh:nn",
"mm/dd/yyyy hh:nn:ss",
"(#,##0.##)",
"(#,##0.##)",
"True", 4,
"False", 5,
0
};
/* User language localization */
LOCAL_INFO LOCAL_local = { 0 };
// First day of weekday
char LOCAL_first_day_of_week = -1;
static char *_rtl_lang[] = { "ar", "fa", "he", NULL };
static bool _translation_loaded = FALSE;
static LOCAL_INFO *local_current;
static char env_LC_ALL[MAX_LANG + sizeof "LC_ALL" + 1];
static char env_LANGUAGE[MAX_LANG + sizeof "LANGUAGE" + 1];
static char env_LANG[MAX_LANG + sizeof "LANG" + 1];
static bool _currency;
static char *_lang = NULL;
extern char **environ;
static char **_environ;
#define add_currency_flag(_flag) (LOCAL_local.currency_flag <<= 1, LOCAL_local.currency_flag |= (!!(_flag)))
#define test_currency_flag(_negative, _space, _before, _intl) (!!(LOCAL_local.currency_flag & (1 << ((!!_negative) + ((!!_before) << 1) + ((!!_intl) << 2)))))
static void init_currency_flag(struct lconv *info)
{
#ifndef OS_BSD
add_currency_flag(info->int_n_cs_precedes); // 7
add_currency_flag(info->int_p_cs_precedes); // 6
#else
add_currency_flag(info->n_cs_precedes); // 7
add_currency_flag(info->p_cs_precedes); // 6
#endif
add_currency_flag(1); // 5
add_currency_flag(1); // 4
add_currency_flag(info->n_cs_precedes); // 3
add_currency_flag(info->p_cs_precedes); // 2
add_currency_flag(info->n_sep_by_space); // 1
add_currency_flag(info->p_sep_by_space); // 0
}
static bool is_currency_before(bool negative, bool intl)
{
return test_currency_flag(negative, FALSE, TRUE, intl);
}
static bool is_currency_space(bool negative, bool intl)
{
//fprintf(stderr, "%02X & %02X\n", LOCAL_local.currency_flag, (1 << ((!!negative) + ((!!0) << 1) + ((!!intl) << 2))));
return test_currency_flag(negative, TRUE, FALSE, intl);
}
static void my_setenv(const char *name, const char *value, char *ptr)
{
snprintf(ptr, MAX_LANG + strlen(name) + 1, "%s=%s", name, value);
putenv(ptr);
}
static void begin(void)
{
buffer_init(COMMON_buffer, COMMON_BUF_MAX - 4);
}
static void end(char **str, int *len)
{
*(get_current()) = 0;
*str = COMMON_buffer;
*len = buffer_pos;
}
static void stradd_sep(char *dst, const char *src, const char *sep)
{
if (*dst)
strcat(dst, sep);
strcat(dst, src);
}
static void add_thousand_sep(int *before)
{
int group;
const char *thsep;
int lthsep;
if (before == NULL)
return;
thsep = _currency ? local_current->thousand_sep : local_current->currency_thousand_sep;
lthsep = _currency ? local_current->len_thousand_sep : local_current->len_currency_thousand_sep;
if (thsep && thsep)
{
group = _currency ? local_current->currency_group_size : local_current->group_size;
if (group > 0 && (*before > 1) && ((*before - 1) == (((*before - 1) / group) * group)))
{
if (buffer_pos > 0 && (get_current()[-1] == ' '))
put_char(' ');
else
add_string(thsep, lthsep, NULL);
}
}
(*before)--;
}
static void add_string(const char *src, int len, int *before)
{
if (len <= 0)
len = strlen(src);
while (len > 0)
{
put_char(*src++);
len--;
if (before)
add_thousand_sep(before);
}
}
static void add_unicode(uint unicode)
{
char str[8];
STRING_utf8_from_unicode(unicode, str);
add_string(str, STRING_utf8_get_char_length(*str), NULL);
}
static void add_currency(const char *sym)
{
const char *p = sym;
char c;
for(;;)
{
c = *p++;
if (c == 0)
return;
if (c != ' ')
put_char(c);
}
}
static void add_char(char c, int count, int *before)
{
while (count > 0)
{
put_char(c);
count--;
add_thousand_sep(before);
}
}
static void add_zero(int count, int *before)
{
add_char('0', count, before);
}
static int search(const char *src, int len, const char *list, int start, bool not)
{
int i;
char c;
for (i = start; i < len; i++)
{
c = src[i];
if (c == '\\')
{
i++;
if (i >= len)
break;
c = src[i];
continue;
}
if ((index(list, c) != NULL) ^ not)
return i;
}
return len;
}
static void add_sign(char mode, int sign, bool after)
{
if (after && mode != '(')
return;
if (sign < 0)
{
if (mode == '(')
put_char(after ? ')' : '(');
else
put_char('-');
}
else if (mode != 0 && mode != '(')
{
if (sign > 0)
put_char(mode);
else
put_char(' ');
}
}
static char *get_languages(void)
{
char *lang;
char *lang_list = NULL;
char *src;
lang = STRING_new_temp_zero(LOCAL_get_lang());
lang_list = STRING_add(lang_list, lang, 0);
lang_list = STRING_add_char(lang_list, ':');
src = index(lang, '_');
if (src)
{
*src = 0;
lang_list = STRING_add(lang_list, lang, 0);
lang_list = STRING_add_char(lang_list, ':');
}
#ifdef DEBUG_LANG
fprintf(stderr, "Languages = %s\n", lang_list);
#endif
return lang_list;
}
static void free_local_info(void)
{
STRING_free(&LOCAL_local.true_str);
STRING_free(&LOCAL_local.false_str);
CLEAR(&LOCAL_local);
}
static const char *fix_separator(const char *str)
{
if (!str || !*str)
return " ";
if ((uchar)str[0] == 0xC2 && (uchar)str[1] == 0xA0 && str[2] == 0)
return " ";
if ((uchar)str[0] == 0xE2 && (uchar)str[1] == 0x80 && (uchar)str[2] == 0xAF && str[3] == 0)
return " ";
return str[1] ? "_" : str;
}
static void fill_local_info(void)
{
struct lconv *info;
char *p;
char c;
char *dp;
char *tp;
char *codeset;
const char *lang;
char *am_pm;
bool got_second;
free_local_info();
/* local encoding */
if (!LOCAL_is_UTF8)
STRING_free(&LOCAL_encoding);
codeset = nl_langinfo(CODESET);
if (!codeset || !*codeset)
codeset = "US-ASCII";
LOCAL_is_UTF8 = (strcasecmp(codeset, "UTF-8") == 0);
if (LOCAL_is_UTF8)
LOCAL_encoding = SC_UTF8;
else
LOCAL_encoding = STRING_new_zero(codeset);
#ifdef DEBUG_LANG
fprintf(stderr, "LOCAL_encoding = %s\n", LOCAL_encoding == SC_UTF8 ? "UTF-8" : LOCAL_encoding);
#endif
/* Numeric information */
info = localeconv();
//fprintf(stderr, "'%s' '%s' %d %d\n", info->thousands_sep, info->mon_thousands_sep, *info->thousands_sep, *info->grouping);
//fprintf(stderr, "'%s' '%s'\n", nl_langinfo(THOUSANDS_SEP), nl_langinfo(MON_THOUSANDS_SEP));
LOCAL_local.decimal_point = *(info->decimal_point);
LOCAL_local.thousand_sep = fix_separator(info->thousands_sep);
LOCAL_local.len_thousand_sep = strlen(LOCAL_local.thousand_sep);
LOCAL_local.group_size = *(info->grouping);
if (LOCAL_local.group_size == 0)
LOCAL_local.group_size = 3;
/*LOCAL_local.currency_symbol = STRING_conv_to_UTF8(info->currency_symbol, 0);
STRING_ref(LOCAL_local.currency_symbol);
LOCAL_local.intl_currency_symbol = STRING_conv_to_UTF8(info->int_curr_symbol, 0);
STRING_ref(LOCAL_local.intl_currency_symbol);*/
// Date format
p = nl_langinfo(D_FMT);
//fprintf(stderr, "date format: %s\n", p);
dp = LOCAL_local.date_order;
if (strcmp(p, "%D") == 0)
p = "%m/%d/%y";
else if (strcmp(p, "%F") == 0)
p = "%Y-%m-%d";
for (;;)
{
c = *p++;
if (!c)
break;
if (c == '%')
{
c = *p++;
if (c != '%')
{
if (c == 'E' || c == 'O')
c = *p++;
switch (c)
{
case 'y': case 'Y':
*dp++ = LO_YEAR;
stradd_sep(LOCAL_local.long_date, "yyyy", " ");
stradd_sep(LOCAL_local.medium_date, "yyyy", " ");
stradd_sep(LOCAL_local.short_date, "yyyy", "/");
stradd_sep(LOCAL_local.general_date, "yyyy", "/");
break;
case 'b': case 'B': case 'h': case 'm':
*dp++ = LO_MONTH;
stradd_sep(LOCAL_local.long_date, "mmmm", " ");
stradd_sep(LOCAL_local.medium_date, "mmm", " ");
stradd_sep(LOCAL_local.short_date, "mm", "/");
stradd_sep(LOCAL_local.general_date, "mm", "/");
break;
case 'd': case 'e':
*dp++ = LO_DAY;
stradd_sep(LOCAL_local.long_date, "dddd d", " ");
stradd_sep(LOCAL_local.medium_date, "dd", " ");
stradd_sep(LOCAL_local.short_date, "dd", "/");
stradd_sep(LOCAL_local.general_date, "dd", "/");
break;
}
continue;
}
}
if (dp != LOCAL_local.date_order && LOCAL_local.date_sep == 0)
LOCAL_local.date_sep = STRING_utf8_to_unicode(p - 1, STRING_utf8_get_char_length(c));
}
// Time format
p = nl_langinfo(T_FMT);
//fprintf(stderr, "time format: %s\n", p);
tp = LOCAL_local.time_order;
if (strcmp(p, "%T") == 0 || strcmp(p, "%R") == 0 || strcmp(p, "%r") == 0)
p = "%H:%M:%S";
got_second = FALSE;
for (;;)
{
c = *p++;
if (!c)
break;
if (c == '%')
{
c = *p++;
if (c != '%')
{
if (c == 'E' || c == 'O')
c = *p++;
switch(c)
{
case 'H': case 'I': case 'k': case 'l':
*tp++ = LO_HOUR;
stradd_sep(LOCAL_local.long_time, "hh", ":");
stradd_sep(LOCAL_local.medium_time, "hh", ":");
stradd_sep(LOCAL_local.short_time, "hh", ":");
break;
case 'M':
*tp++ = LO_MINUTE;
stradd_sep(LOCAL_local.long_time, "nn", ":");
stradd_sep(LOCAL_local.medium_time, "nn", ":");
stradd_sep(LOCAL_local.short_time, "nn", ":");
break;
case 'S':
*tp++ = LO_SECOND;
stradd_sep(LOCAL_local.long_time, "ss", ":");
got_second = TRUE;
break;
}
continue;
}
}
if (tp != LOCAL_local.time_order && LOCAL_local.time_sep == 0)
LOCAL_local.time_sep = STRING_utf8_to_unicode(p - 1, STRING_utf8_get_char_length(c));
}
// Fix missing seconds
if (!got_second)
{
*tp++ = LO_SECOND;
stradd_sep(LOCAL_local.long_time, "ss", ":");
}
// Fix the french date separator
lang = LOCAL_get_lang();
if (strcmp(lang, "fr") == 0 || strncmp(lang, "fr_", 3) == 0)
LOCAL_local.date_sep = '/';
stradd_sep(LOCAL_local.general_date, LOCAL_local.long_time, " ");
am_pm = nl_langinfo(AM_STR);
if (am_pm && *am_pm)
{
am_pm = nl_langinfo(PM_STR);
if (am_pm && *am_pm)
{
stradd_sep(LOCAL_local.medium_time, "AM/PM", " ");
}
}
// Currency format
LOCAL_local.currency_thousand_sep = fix_separator(info->mon_thousands_sep);
LOCAL_local.len_currency_thousand_sep = strlen(LOCAL_local.currency_thousand_sep);
LOCAL_local.currency_group_size = *(info->mon_grouping);
if (LOCAL_local.currency_group_size == 0)
LOCAL_local.currency_group_size = 3;
LOCAL_local.currency_decimal_point = *(info->mon_decimal_point);
LOCAL_local.currency_symbol = info->currency_symbol;
LOCAL_local.intl_currency_symbol = info->int_curr_symbol;
strcpy(LOCAL_local.general_currency, "($#,##0.");
strncat(LOCAL_local.general_currency, "########", Min(8, info->frac_digits));
strcat(LOCAL_local.general_currency, ")");
strcpy(LOCAL_local.intl_currency, "($$#,##0.");
strncat(LOCAL_local.intl_currency, "########", Min(8, info->int_frac_digits));
strcat(LOCAL_local.intl_currency, ")");
init_currency_flag(info);
LOCAL_local.true_str = STRING_new_zero(LOCAL_gettext(LOCAL_default.true_str));
LOCAL_local.len_true_str = STRING_length(LOCAL_local.true_str);
LOCAL_local.false_str = STRING_new_zero(LOCAL_gettext(LOCAL_default.false_str));
LOCAL_local.len_false_str = STRING_length(LOCAL_local.false_str);
}
void LOCAL_init(void)
{
_environ = environ;
LOCAL_set_lang(NULL);
}
void LOCAL_exit(void)
{
if (environ == _environ)
{
unsetenv("LANG");
unsetenv("LC_ALL");
unsetenv("LANGUAGE");
}
if (!LOCAL_is_UTF8)
STRING_free(&LOCAL_encoding);
STRING_free(&_lang);
free_local_info();
}
const char *LOCAL_get_lang(void)
{
char *lang;
if (!_lang)
{
lang = getenv("LC_ALL");
if (!lang)
lang = getenv("LANG");
if (!lang || !*lang)
lang = "en_US";
_lang = STRING_new_zero(lang);
}
return _lang;
}
void LOCAL_set_lang(const char *lang)
{
char **l;
int rtl;
char *var;
char *err;
if (lang && (strlen(lang) > MAX_LANG))
THROW(E_ARG);
#ifdef DEBUG_LANG
fprintf(stderr, "******** LOCAL_set_lang: %s ********\n", lang);
#endif
if (lang && *lang)
{
my_setenv("LANG", lang, env_LANG);
my_setenv("LC_ALL", lang, env_LC_ALL);
}
STRING_free(&_lang);
lang = LOCAL_get_lang();
if (getenv("LANGUAGE"))
my_setenv("LANGUAGE", lang, env_LANGUAGE);
if (setlocale(LC_ALL, ""))
{
_translation_loaded = FALSE;
COMPONENT_translation_must_be_reloaded();
}
else
{
err = strerror(errno);
ERROR_warning("cannot switch to language '%s': %s. Did you install the corresponding locale packages?", lang ? lang : LOCAL_get_lang(), err);
setlocale(LC_ALL, "C");
}
DATE_init_local();
fill_local_info();
/* If language is right to left written */
rtl = FALSE;
for (l = _rtl_lang; *l; l++)
{
if (strncmp(*l, lang, 2) == 0)
{
rtl = TRUE;
break;
}
}
var = getenv("GB_REVERSE");
if (var && !(var[0] == '0' && var[1] == 0))
rtl = !rtl;
HOOK(lang)(lang, rtl);
LOCAL_local.rtl = rtl;
}
bool LOCAL_format_number(double number, int fmt_type, const char *fmt, int len_fmt, char **str, int *len_str, bool local)
{
char c;
int n;
char buf[32];
char *buf_start;
int pos;
//int pos2;
int thousand;
int *thousand_ptr;
char sign;
bool comma;
bool point;
int before, before_zero;
int after, after_zero;
char exposant;
//char exp_sign;
int exp_zero;
int number_sign;
uint64_t mantisse;
uint64_t power;
double number_mant;
int number_exp;
int number_real_exp;
int ndigit;
int pos_first_digit;
bool intl_currency;
if (local)
local_current = &LOCAL_local;
else
local_current = &LOCAL_default;
switch(fmt_type)
{
case LF_USER:
break;
case LF_STANDARD:
case LF_GENERAL_NUMBER:
if ((number != 0.0) && ((fabs(number) < 1E-4) || (fabs(number) >= 1E10)))
fmt = "0.###############E+#";
else
fmt = "0.###############";
break;
case LF_SHORT_NUMBER:
if ((number != 0.0) && ((fabs(number) < 1E-4) || (fabs(number) >= 1E10)))
fmt = "0.#######E+#";
else
fmt = "0.#######";
break;
case LF_FIXED:
fmt = "0.00";
break;
case LF_PERCENT:
fmt = "###%";
break;
case LF_SCIENTIFIC:
fmt = "0.################E+#";
break;
case LF_CURRENCY:
fmt = local_current->general_currency;
break;
case LF_INTERNATIONAL:
fmt = local_current->intl_currency;
break;
default:
return TRUE;
}
if (len_fmt == 0)
len_fmt = strlen(fmt);
if (len_fmt >= COMMON_BUF_MAX)
return TRUE;
// Remove, not documented!
#if 0
/* looking for negative and null numbers formats */
pos = search(fmt, len_fmt, ";", 0, FALSE);
if (number <= 0.0)
{
if (pos < len_fmt)
{
if (number < 0.0)
{
if ((pos < (len_fmt - 1)) && fmt[pos + 1] != ';')
{
fmt = &fmt[pos + 1];
len_fmt -= pos + 1;
}
else
len_fmt = pos;
}
else
{
pos2 = search(fmt, len_fmt, ";", pos + 1, FALSE);
if (pos2 < len_fmt)
{
if ((pos2 < (len_fmt - 1)) && fmt[pos2 + 1] != ';')
{
fmt = &fmt[pos2 + 1];
len_fmt -= pos2 + 1;
}
else
len_fmt = pos;
}
}
}
}
else if (pos < len_fmt)
len_fmt = pos;
#endif
/* translate Gambas format to sprintf format */
sign = 0;
comma = FALSE;
before = 0;
before_zero = 0;
point = FALSE;
after = 0;
after_zero = 0;
exposant = 0;
//exp_sign = 0;
exp_zero = 0;
_currency = FALSE;
intl_currency = FALSE;
begin();
/* Looking for '%' */
pos = search(fmt, len_fmt, "%", 0, FALSE);
if (pos < len_fmt)
number *= 100;
/* format prefix */
pos = search(fmt, len_fmt, "-+#0.,($", 0, FALSE);
if (pos >= len_fmt)
return TRUE;
if (pos > 0)
add_string(fmt, pos, NULL);
/* specify the sign */
if (fmt[pos] == '-')
{
sign = ' ';
pos++;
}
else if (fmt[pos] == '+')
{
sign = '+';
pos++;
}
else if (fmt[pos] == '(')
{
sign = '(';
pos++;
}
if (pos >= len_fmt)
return TRUE;
/* currency */
if (fmt[pos] == '$')
{
_currency = TRUE;
pos++;
if (fmt[pos] == '$')
{
intl_currency = TRUE;
pos++;
}
}
/* decimal digits */
for(; pos < len_fmt; pos++)
{
c = fmt[pos];
if (c == ',')
{
comma = TRUE;
continue;
}
if (c == '#' || c == '0')
{
before++;
if (c == '0' || before_zero > 0)
before_zero++;
continue;
}
break;
}
if (pos >= len_fmt)
goto _FORMAT;
/* the point */
if (fmt[pos] != '.')
goto _FORMAT;
pos++;
point = TRUE;
if (pos >= len_fmt)
goto _FORMAT;
/* digits after point */
for(; pos < len_fmt; pos++)
{
c = fmt[pos];
if (c == '#' || c == '0')
{
after++;
if (c == '0')
after_zero = after;
continue;
}
break;
}
if (pos >= len_fmt)
goto _FORMAT;
/* exponent */
if (fmt[pos] == 'e' || fmt[pos] == 'E')
{
exposant = fmt[pos];
//exp_sign = ' ';
pos++;
if (pos >= len_fmt)
return TRUE;
if (fmt[pos] == '-')
{
pos++;
}
else if (fmt[pos] == '+')
{
//exp_sign = '+';
pos++;
}
if (pos >= len_fmt)
return TRUE;
for(; pos < len_fmt; pos++)
{
c = fmt[pos];
if (c == '#' || c == '0')
{
if (c == '0' || exp_zero > 0)
exp_zero++;
continue;
}
break;
}
}
_FORMAT:
if (before == 0 && after == 0)
return TRUE;
/* sign */
number_sign = fsgn(number);
add_sign(sign, number_sign, FALSE);
/* currency (before) */
if (_currency && is_currency_before(number_sign < 0, intl_currency))
{
add_currency(intl_currency ? local_current->intl_currency_symbol : local_current->currency_symbol);
if (is_currency_space(number_sign < 0, intl_currency))
put_char(' ');
}
/* We note where the first digit will be printed */
pos_first_digit = buffer_pos;
/* the number */
if (isfinite(number))
{
number_mant = frexp10(fabs(number), &number_exp);
ndigit = after;
if (!exposant)
ndigit += number_exp;
else
ndigit++;
ndigit = MinMax(ndigit, 0, MAX_FLOAT_DIGIT);
//fprintf(stderr, "number_mant = %.24g number_exp = %d ndigit = %d\n", number_mant, number_exp, ndigit);
power = pow10_uint64_p(ndigit + 1);
mantisse = number_mant * power;
if ((mantisse % 10) >= 5)
mantisse += 10;
//fprintf(stderr, "-> power = %" PRId64 " mantisse = %" PRId64 "\n", power, mantisse);
if (mantisse >= power)
{
ndigit = sprintf(buf, ".%" PRId64, mantisse);
buf[0] = buf[1];
buf[1] = '.';
}
else
{
ndigit = sprintf(buf, "0.%" PRId64, mantisse);
}
ndigit--;
buf[ndigit] = 0;
/* 0.0 <= number_mant < 1.0 */
//number_exp++; /* simplifie les choses */
number_real_exp = number_exp;
if (exposant)
number_exp = number != 0.0;
// should return "0[.]...", or "1[.]..." if the number is rounded up.
buf_start = buf;
if (buf_start[0] == '1') // the number has been rounded up.
{
if (exposant)
number_real_exp++;
else
number_exp++;
}
if (ndigit > 1) // so there is a point
{
if (buf_start[0] == '0')
{
buf_start += 2;
ndigit -= 2;
}
else
{
buf_start[1] = buf_start[0];
ndigit--;
buf_start++;
}
while (ndigit > 0 && buf_start[ndigit - 1] == '0')
ndigit--;
}
/* digits before point */
thousand = Max(before, Max(before_zero, number_exp));
thousand_ptr = comma ? &thousand : NULL;
if (number_exp > 0)
{
add_char(' ', before - Max(before_zero, number_exp), thousand_ptr);
add_zero(before_zero - number_exp, thousand_ptr);
add_string(buf_start, Min(number_exp, ndigit), thousand_ptr);
if (number_exp > ndigit)
add_zero(number_exp - ndigit, thousand_ptr);
}
else
{
add_char(' ', before - before_zero, thousand_ptr);
add_zero(before_zero, thousand_ptr);
}
/* decimal point */
if (point)
put_char(local_current->decimal_point);
/* digits after the decimal point */
if ((ndigit - number_exp) > 0)
{
if (number_exp < 0)
{
n = Min(after, (- number_exp));
if (n == after)
{
add_zero(after_zero, NULL);
goto _EXPOSANT;
}
else
{
add_zero(n, NULL);
after -= n;
after_zero -= n;
}
}
if (number_exp > 0)
{
buf_start += number_exp;
ndigit -= number_exp;
}
n = Min(ndigit, after);
if (n > 0)
{
add_string(buf_start, n, NULL);
after -= n;
after_zero -= n;
}
if (after_zero > 0)
add_zero(after_zero, NULL);
}
else
add_zero(after_zero, NULL);
_EXPOSANT:
/* The decimal point is removed if it is located at the end */
buffer_pos--;
if (look_char() != local_current->decimal_point)
buffer_pos++;
/* exponant */
if (exposant != 0) // && number != 0.0)
{
put_char(exposant);
n = snprintf(buf, sizeof(buf), "%+.*d", exp_zero, number_real_exp - 1);
add_string(buf, n, NULL);
}
}
else // isfinite
{
if (isnan(number))
add_string("NaN", 3, NULL);
else if (isinf(number))
add_string("Inf", 3, NULL);
}
/* currency (after) */
if (_currency && !is_currency_before(number_sign < 0, intl_currency))
{
if (is_currency_space(number_sign < 0, intl_currency))
put_char(' ');
add_currency(intl_currency ? local_current->intl_currency_symbol : local_current->currency_symbol);
}
/* The last format brace is ignored */
if (sign == '(' && fmt[pos] == ')')
pos++;
/* The sign after */
add_sign(sign, number_sign, TRUE);
/* print at least a zero */
if (buffer_pos == pos_first_digit)
put_char('0');
/* suffixe de formatage */
if (pos < len_fmt)
add_string(&fmt[pos], len_fmt - pos, NULL);
/* return the result */
end(str, len_str);
return FALSE;
}
static void add_strftime(const char *format, struct tm *tm)
{
int n;
n = strftime(get_current(), get_size_left(), format, tm);
buffer_pos += n;
}
static void add_number(int value, int pad)
{
static char temp[8] = { 0 };
int i, n;
bool minus = FALSE;
if (value < 0)
{
value = (-value);
minus = TRUE;
}
n = 0;
for (i = 7; i >= 0; i--)
{
n++;
if (value < 10)
{
temp[i] = value + '0';
value = 0;
if (n >= pad)
break;
}
else
{
temp[i] = (value % 10) + '0';
value /= 10;
}
}
if (minus)
{
i--;
temp[i] = '-';
n++;
}
add_string(&temp[i], n, NULL);
}
static bool add_date_token(DATE_SERIAL *date, char *token, int count)
{
struct tm tm = {0};
char buf[8];
int n;
bool date_token;
if (*token == 0)
return FALSE;
date_token = *token == 'd' || *token == 'm' || *token == 'y';
if ((date_token && DATE_SERIAL_has_no_date(date))) // || (!date_token && DATE_SERIAL_has_no_time(date)))
{
*token = 0;
return TRUE;
}
switch (*token)
{
case 'd':
if (count <= 2)
{
add_number(date->day, (count == 1 ? 0 : 2));
}
else if (count >= 3)
{
tm.tm_wday = date->weekday;
add_strftime(count == 3 ? "%a" : "%A", &tm);
}
break;
case 'm':
if (count <= 2)
{
add_number(date->month, (count == 1 ? 0 : 2));
}
else if (count >= 3)
{
tm.tm_mon = date->month - 1;
add_strftime(count == 3 ? "%b" : "%B", &tm);
}
break;
case 'y':
if (count <= 2 && date->year >= 1939 && date->year <= 2038)
add_number(date->year - (date->year >= 2000 ? 2000 : 1900), 2);
else
add_number(date->year, (count == 1 ? 0 : count));
break;
case 'h':
case 'n':
case 's':
add_number((*token == 'h') ? date->hour : ((*token == 'n') ? date->min : date->sec), (count == 1 ? 0 : 2));
break;
case 'u':
if (date->msec || count == 2)
{
if (count >= 2)
add_number(date->msec, 3);
else
{
n = snprintf(buf, sizeof(buf), "%03d", date->msec);
while (buf[n - 1] == '0')
n--;
buf[n] = 0;
add_string(buf, n, NULL);
}
}
break;
case 't':
if (count <= 2)
{
time_t t = time(NULL);
localtime_r(&t, &tm);
add_strftime(count == 2 ? "%z" : "%Z", &tm);
}
break;
}
*token = 0;
return FALSE;
}
bool LOCAL_format_date(const DATE_SERIAL *date, int fmt_type, const char *fmt, int len_fmt, char **str, int *len_str)
{
DATE_SERIAL vdate;
char c;
int pos;
int pos_ampm = -1;
struct tm date_tm;
char token;
int token_count;
local_current = &LOCAL_local;
vdate = *date;
switch(fmt_type)
{
case LF_USER:
break;
case LF_STANDARD:
case LF_GENERAL_DATE:
if (date->year == 0)
{
if (date->hour == 0 && date->min == 0 && date->sec == 0)
{
*str = NULL;
*len_str = 0;
return FALSE;
}
fmt = local_current->long_time;
}
else
fmt = local_current->general_date;
break;
case LF_LONG_DATE:
fmt = local_current->long_date;
break;
case LF_MEDIUM_DATE:
fmt = local_current->medium_date;
break;
case LF_SHORT_DATE:
fmt = local_current->short_date;
break;
case LF_LONG_TIME:
fmt = local_current->long_time;
break;
case LF_MEDIUM_TIME:
fmt = local_current->medium_time;
break;
case LF_SHORT_TIME:
fmt = local_current->short_time;
break;
default:
return TRUE;
}
if (len_fmt == 0)
len_fmt = strlen(fmt);
if (len_fmt >= COMMON_BUF_MAX)
return TRUE;
/* looking for AM/PM */
for (pos = 0; pos < len_fmt - 4; pos++)
{
if (fmt[pos] == '\\')
{
pos++;
continue;
}
if (strncasecmp(&fmt[pos], "am/pm", 5) == 0)
{
pos_ampm = pos;
if (vdate.hour > 12)
vdate.hour -= 12;
else if (vdate.hour == 0)
vdate.hour = 12;
break;
}
}
/* Formatting */
begin();
token = 0;
token_count = 0;
for (pos = 0; pos < len_fmt; pos++)
{
c = fmt[pos];
if (c == '\\')
{
pos++;
if (pos >= len_fmt)
break;
add_date_token(&vdate, &token, token_count);
put_char(fmt[pos]);
continue;
}
if (pos == pos_ampm)
{
add_date_token(&vdate, &token, token_count);
/* convert to struct tm */
date_tm.tm_sec = date->sec;
date_tm.tm_min = date->min;
date_tm.tm_hour = date->hour;
date_tm.tm_mday = 1;
date_tm.tm_mon = 0;
date_tm.tm_year = 0;
add_strftime((c == 'a' ? "%P" : "%p"), &date_tm);
pos += 4;
continue;
}
if (c == 'd' || c == 'm' || c == 'y' || c == 'h' || c == 'n' || c == 's' || c == 'u' || c == 't')
{
if (c != token)
{
add_date_token(&vdate, &token, token_count);
token = c;
token_count = 0;
}
token_count++;
}
else
{
if (!add_date_token(&vdate, &token, token_count))
{
if (c == '/')
add_unicode(local_current->date_sep);
else if (c == ':')
add_unicode(local_current->time_sep);
else
put_char(c);
}
}
}
add_date_token(&vdate, &token, token_count);
/* return the result */
end(str, len_str);
return FALSE;
}
static void LOCAL_load_translation(ARCHIVE *arch)
{
char *domain = NULL;
char *lang_list;
char *lang;
char *src;
char *test;
char c;
const char *dst = NULL;
FILE *file;
char *addr;
int len;
COMPONENT *save = COMPONENT_current;
/* We must force GB_LoadFile() to look in our archive, because all translation
files of one language have the same path!
*/
if (arch)
{
domain = arch->domain;
COMPONENT_current = COMPONENT_find(arch->name);
}
if (!domain)
domain = "gb";
#ifdef DEBUG_LANG
fprintf(stderr, "LOCAL_load_translation: %s / domain = %s\n", arch ? arch->name : "NULL", domain);
#endif
lang_list = get_languages();
lang = strtok(lang_list, ":");
for(;;)
{
if (!lang)
break;
if (*lang)
{
test = STRING_new_temp_zero(lang);
src = test;
for(;;)
{
c = *src;
if (c == 0 || c == '_')
break;
*src = tolower(c);
src++;
}
if (!arch)
dst = FILE_cat("...", ".lang", test, NULL);
else
dst = FILE_cat(".lang", test, NULL);
dst = FILE_set_ext(dst, "mo");
#ifdef DEBUG_LANG
fprintf(stderr, "trying %s\n", dst);
#endif
if (FILE_exist(dst))
break;
}
lang = strtok(NULL, ":");
}
if (!lang)
{
#ifdef DEBUG_LANG
fprintf(stderr, "No translation\n");
#endif
goto __NOTRANS;
}
#ifdef DEBUG_LANG
fprintf(stderr, "Loading %s\n", dst);
#endif
if (GB_LoadFile(dst, 0, &addr, &len))
{
#ifdef DEBUG_LANG
fprintf(stderr, "Cannot load %s\n", dst);
#endif
goto __ERROR;
}
// These temporary files have predictable names because they
// are *.mo files read by the gettext system.
dst = FILE_cat(FILE_make_temp(NULL, NULL), "tr", NULL);
mkdir(dst, S_IRWXU);
dst = FILE_cat(FILE_make_temp(NULL, NULL), "tr", lang, NULL);
mkdir(dst, S_IRWXU);
dst = FILE_cat(dst, "LC_MESSAGES", NULL);
mkdir(dst, S_IRWXU);
dst = FILE_cat(dst, domain, NULL);
strcat((char *)dst, ".mo");
unlink(dst);
#ifdef DEBUG_LANG
fprintf(stderr, "Writing to %s (%d bytes)\n", dst, len);
#endif
// No need to test previous system calls as the failure will be detected now
file = fopen(dst, "w");
if (file)
{
fwrite(addr, len, 1, file);
fclose(file);
}
GB_ReleaseFile(addr, len);
__ERROR:
// If the *.mo was not copied, then the following functions will failed
#ifdef DEBUG_LANG
fprintf(stderr, "bindtextdomain: %s\n", bindtextdomain(domain, FILE_cat(FILE_make_temp(NULL, NULL), "tr", NULL)));
fprintf(stderr, "bind_textdomain_codeset: %s\n", bind_textdomain_codeset(domain, "UTF-8"));
if (!arch)
fprintf(stderr, "textdomain: %s\n", textdomain(domain));
#else
bindtextdomain(domain, FILE_cat(FILE_make_temp(NULL, NULL), "tr", NULL));
#ifdef OS_SOLARIS
fprintf(stderr, "Warning: bind_textdomain_codeset() unavailable.\n");
#else
bind_textdomain_codeset(domain, "UTF-8");
#endif
if (!arch)
textdomain(domain); /* default domain */
#endif
__NOTRANS:
STRING_free(&lang_list);
if (arch)
arch->translation_loaded = TRUE;
else
_translation_loaded = TRUE;
COMPONENT_current = save;
}
const char *LOCAL_gettext(const char *msgid)
{
const char *tr = msgid;
ARCHIVE *arch = NULL;
/*
If LOCAL_gettext() is called, then we are in the context of
the archive, so the translation loaded will be the good one.
*/
if (!msgid)
return "";
if (!ARCHIVE_get_current(&arch))
{
#ifdef DEBUG_LANG
fprintf(stderr, "dgettext(\"%s\", \"%s\")\n", arch->domain, msgid);
#endif
if (!arch->translation_loaded)
LOCAL_load_translation(arch);
tr = dgettext(arch->domain, msgid);
}
if (tr == msgid)
{
#ifdef DEBUG_LANG
fprintf(stderr, "dgettext(\"%s\", \"%s\")\n", "gb", msgid);
#endif
if (!_translation_loaded)
LOCAL_load_translation(NULL);
tr = dgettext("gb", msgid);
//tr = gettext(msgid);
}
/*printf("tr: %s -> %s\n", msgid, tr);*/
if (!tr || tr[0] == 0 || (tr[0] == '-' && (tr[1] == 0 || (tr[1] == '\n' && tr[2] == 0))))
tr = msgid;
#ifdef DEBUG_LANG
fprintf(stderr, "--> \"%s\"\n", tr);
#endif
return tr;
}
int LOCAL_get_first_day_of_week()
{
const char *lang;
if (LOCAL_first_day_of_week >= 0)
return LOCAL_first_day_of_week;
lang = LOCAL_get_lang();
if (strcmp(lang, "en") == 0 || strncmp(lang, "en_", 3) == 0 || strcmp(lang, "C") == 0)
return 0;
else
return 1;
}
void LOCAL_set_first_day_of_week(char day)
{
if (day >= -1 && day <= 6)
LOCAL_first_day_of_week = day;
}