diff options
Diffstat (limited to 'indra/newview/lldateutil.cpp')
| -rw-r--r-- | indra/newview/lldateutil.cpp | 71 |
1 files changed, 65 insertions, 6 deletions
diff --git a/indra/newview/lldateutil.cpp b/indra/newview/lldateutil.cpp index 040fad3c4a..1fe1715995 100644 --- a/indra/newview/lldateutil.cpp +++ b/indra/newview/lldateutil.cpp @@ -66,23 +66,82 @@ static S32 age_days_from_date(const std::string& date_string, return age_days; } +static S32 DAYS_PER_MONTH_NOLEAP[] = + { 31, 28, 21, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; +static S32 DAYS_PER_MONTH_LEAP[] = + { 31, 29, 21, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; + +static S32 days_from_month(S32 year, S32 month) +{ + if (year % 4 == 0 + && year % 100 != 0) + { + // leap year + return DAYS_PER_MONTH_LEAP[month]; + } + else + { + return DAYS_PER_MONTH_NOLEAP[month]; + } +} + std::string LLDateUtil::ageFromDate(const std::string& date_string, const LLDate& now) { +#define BAD_DATE_MATH 0 +#if BAD_DATE_MATH S32 age_days = age_days_from_date(date_string, now); if (age_days == S32_MIN) return "???"; - - // Noun pluralization depends on language - std::string lang = LLUI::getLanguage(); - - // Try for age in round number of years - LLStringUtil::format_map_t args; S32 age_years = age_days / 365; age_days = age_days % 365; // *NOTE: This is wrong. Not all months have 30 days, but we don't have a library // for relative date arithmetic. :-( JC S32 age_months = age_days / 30; age_days = age_days % 30; +#else + S32 born_month, born_day, born_year; + S32 matched = sscanf(date_string.c_str(), "%d/%d/%d", &born_month, &born_day, &born_year); + if (matched != 3) return "???"; + LLDate born_date; + born_date.fromYMDHMS(born_year, born_month, born_day); + F64 born_date_secs_since_epoch = born_date.secondsSinceEpoch(); + // Correct for the fact that account creation dates are in Pacific time, + // == UTC - 8 + born_date_secs_since_epoch += 8.0 * 60.0 * 60.0; + born_date.secondsSinceEpoch(born_date_secs_since_epoch); + // explode out to month/day/year again + born_date.split(&born_year, &born_month, &born_day); + + S32 now_year, now_month, now_day; + now.split(&now_year, &now_month, &now_day); + + // Do grade-school subtraction, from right-to-left, borrowing from the left + // when things go negative + S32 age_days = (now_day - born_day); + if (age_days < 0) + { + now_month -= 1; + if (now_month == 0) + { + now_year -= 1; + now_month = 12; + } + age_days += days_from_month(now_year, now_month); + } + S32 age_months = (now_month - born_month); + if (age_months < 0) + { + now_year -= 1; + age_months += 12; + } + S32 age_years = (now_year - born_year); +#endif + + // Noun pluralization depends on language + std::string lang = LLUI::getLanguage(); + + // Try for age in round number of years + LLStringUtil::format_map_t args; if (age_months > 0 || age_years > 0) { |