+++ /dev/null
-/*
- * Copyright (c) 1996-2012 by the citadel.org team
- *
- * This program is open source software. You can redistribute it and/or
- * modify it under the terms of the GNU General Public License, version 3.
- *
- * 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.
- */
-
-#include "webcit.h"
-#include "webserver.h"
-
-#ifdef HAVE_USELOCALE
-extern locale_t *wc_locales;
-#endif
-
-typedef unsigned char byte;
-
-#define FALSE 0 /**< no. */
-#define TRUE 1 /**< yes. */
-
-/*
- * Wrapper around strftime() or strftime_l()
- * depending upon how our build is configured.
- *
- * s String target buffer
- * max Maximum size of string target buffer
- * format strftime() format
- * tm Input date/time
- */
-size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm)
-{
-
-#ifdef ENABLE_NLS
-#ifdef HAVE_USELOCALE
- if (wc_locales[WC->selected_language] == NULL) {
- return strftime(s, max, format, tm);
- }
- else {
- return strftime_l(s, max, format, tm, wc_locales[WC->selected_language]);
- }
-#else
- return strftime(s, max, format, tm);
-#endif
-#else
- return strftime(s, max, format, tm);
-#endif
-}
-
-
-
-/*
- * Format a date/time stamp for output
- */
-long webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format)
-{
- long retlen = 0;
- struct tm tm;
- struct tm today_tm;
- time_t today_timet;
- int time_format;
-
- time_format = get_time_format_cached ();
- today_timet = time(NULL);
- localtime_r(&today_timet, &today_tm);
-
- localtime_r(&thetime, &tm);
-
- /*
- * DATEFMT_FULL: full display
- * DATEFMT_BRIEF: if date == today, show only the time
- * otherwise, for messages up to 6 months old,
- * show the month and day, and the time
- * older than 6 months, show only the date
- * DATEFMT_RAWDATE: show full date, regardless of age
- * DATEFMT_LOCALEDATE: show full date as prefered for the locale
- */
-
- switch (Format) {
- case DATEFMT_BRIEF:
- if ((tm.tm_year == today_tm.tm_year)
- &&(tm.tm_mon == today_tm.tm_mon)
- &&(tm.tm_mday == today_tm.tm_mday)) {
- if (time_format == WC_TIMEFORMAT_24)
- retlen = wc_strftime(buf, siz, "%k:%M", &tm);
- else
- retlen = wc_strftime(buf, siz, "%l:%M%p", &tm);
- }
- else if (today_timet - thetime < 15552000) {
- if (time_format == WC_TIMEFORMAT_24)
- retlen = wc_strftime(buf, siz, "%b %d %k:%M", &tm);
- else
- retlen = wc_strftime(buf, siz, "%b %d %l:%M%p", &tm);
- }
- else {
- retlen = wc_strftime(buf, siz, "%b %d %Y", &tm);
- }
- break;
- case DATEFMT_FULL:
- if (time_format == WC_TIMEFORMAT_24)
- retlen = wc_strftime(buf, siz, "%a %b %d %Y %T %Z", &tm);
- else
- retlen = wc_strftime(buf, siz, "%a %b %d %Y %r %Z", &tm);
- break;
- case DATEFMT_RAWDATE:
- retlen = wc_strftime(buf, siz, "%a %b %d %Y", &tm);
- break;
- case DATEFMT_LOCALEDATE:
- retlen = wc_strftime(buf, siz, "%x", &tm);
- break;
- }
- return retlen;
-}
-
-
-/*
- * Try to guess whether the user will prefer 12 hour or 24 hour time based on the locale.
- */
-long guess_calhourformat(void) {
- char buf[64];
- struct tm tm;
- memset(&tm, 0, sizeof tm);
- wc_strftime(buf, 64, "%X", &tm);
- if (buf[strlen(buf)-1] == 'M') {
- return 12;
- }
- return 24;
-}
-
-
-/*
- * learn the users timeformat preference.
- */
-int get_time_format_cached (void)
-{
- long calhourformat;
- int *time_format_cache;
- time_format_cache = &(WC->time_format_cache);
- if (*time_format_cache == WC_TIMEFORMAT_NONE)
- {
- get_pref_long("calhourformat", &calhourformat, 99);
-
- /* If we don't know the user's time format preference yet,
- * make a guess based on the locale.
- */
- if (calhourformat == 99) {
- calhourformat = guess_calhourformat();
- }
-
- /* Now set the preference */
- if (calhourformat == 24)
- *time_format_cache = WC_TIMEFORMAT_24;
- else
- *time_format_cache = WC_TIMEFORMAT_AMPM;
- }
- return *time_format_cache;
-}
-
-/*
- * Format TIME ONLY for output
- * buf the output buffer
- * thetime time to format into buf
- */
-void fmt_time(char *buf, size_t siz, time_t thetime)
-{
- struct tm *tm;
- int hour;
- int time_format;
-
- time_format = get_time_format_cached ();
- buf[0] = 0;
- tm = localtime(&thetime);
- hour = tm->tm_hour;
- if (hour == 0)
- hour = 12;
- else if (hour > 12)
- hour = hour - 12;
-
- if (time_format == WC_TIMEFORMAT_24) {
- snprintf(buf, siz, "%d:%02d",
- tm->tm_hour, tm->tm_min
- );
- }
- else {
- snprintf(buf, siz, "%d:%02d%s",
- hour, tm->tm_min, ((tm->tm_hour > 12) ? "pm" : "am")
- );
- }
-}
-
-
-
-
-/*
- * Break down the timestamp used in HTTP headers
- * Should read rfc1123 and rfc850 dates OK
- * FIXME won't read asctime
- * Doesn't understand timezone, but we only should be using GMT/UTC anyway
- */
-time_t httpdate_to_timestamp(StrBuf *buf)
-{
- time_t t = 0;
- struct tm tt;
- const char *c;
-
- /** Skip day of week, to number */
- for (c = ChrPtr(buf); *c != ' '; c++)
- ;
- c++;
-
- memset(&tt, 0, sizeof(tt));
-
- /* Get day of month */
- tt.tm_mday = atoi(c);
- for (; *c != ' ' && *c != '-'; c++);
- c++;
-
- /* Get month */
- switch (*c) {
- case 'A': /* April, August */
- tt.tm_mon = (c[1] == 'p') ? 3 : 7;
- break;
- case 'D': /* December */
- tt.tm_mon = 11;
- break;
- case 'F': /* February */
- tt.tm_mon = 1;
- break;
- case 'M': /* March, May */
- tt.tm_mon = (c[2] == 'r') ? 2 : 4;
- break;
- case 'J': /* January, June, July */
- tt.tm_mon = (c[2] == 'n') ? ((c[1] == 'a') ? 0 : 5) : 6;
- break;
- case 'N': /* November */
- tt.tm_mon = 10;
- break;
- case 'O': /* October */
- tt.tm_mon = 9;
- break;
- case 'S': /* September */
- tt.tm_mon = 8;
- break;
- default:
- return 42;
- break; /* NOTREACHED */
- }
- c += 4;
-
- tt.tm_year = 0;
- /* Get year */
- tt.tm_year = atoi(c);
- for (; *c != ' '; c++);
- c++;
- if (tt.tm_year >= 1900)
- tt.tm_year -= 1900;
-
- /* Get hour */
- tt.tm_hour = atoi(c);
- for (; *c != ':'; c++);
- c++;
-
- /* Get minute */
- tt.tm_min = atoi(c);
- for (; *c != ':'; c++);
- c++;
-
- /* Get second */
- tt.tm_sec = atoi(c);
- for (; *c && *c != ' '; c++);
-
- /* Got everything; let's go. The global 'timezone' variable contains the
- * local timezone's offset from UTC, in seconds, so we apply that to tm_sec.
- * This produces an illegal value for tm_sec, but mktime() will normalize
- * it for us. This eliminates the need to temporarily switch the environment
- * variable TZ to UTC, which is good because it fails to switch back on
- * some systems.
- */
- tzset();
-#ifdef __FreeBSD__
- tt.tm_sec = tt.tm_sec - tt.tm_gmtoff;
-#else
- tt.tm_sec = tt.tm_sec - (int)timezone;
-#endif
- t = mktime(&tt);
- return t;
-}
-
-
-void LoadTimeformatSettingsCache(StrBuf *Preference, long lvalue)
-{
- int *time_format_cache;
-
- time_format_cache = &(WC->time_format_cache);
- if (lvalue == 24)
- *time_format_cache = WC_TIMEFORMAT_24;
- else
- *time_format_cache = WC_TIMEFORMAT_AMPM;
-}
-
-
-
-void
-InitModule_DATETIME
-(void)
-{
- RegisterPreference("calhourformat", _("Time format"), PRF_INT, LoadTimeformatSettingsCache);
-
-
-}
projects / citadel.git / blobdiff