Difference between revisions of "Unix2DateTime"
Jump to navigation
Jump to search
(New page: ///////////////////////////////////////////////////////////////////// // Script Library Contribution by Flennan Roffo // Logic Scripted Products & Script Services // Peacock Park (183,226,...) |
|||
Line 1: | Line 1: | ||
{{LSL Header}} | |||
== Unix2DateTime == | |||
<pre> | |||
///////////////////////////////////////////////////////////////////// | ///////////////////////////////////////////////////////////////////// | ||
// Script Library Contribution by Flennan Roffo | // Script Library Contribution by Flennan Roffo | ||
Line 224: | Line 227: | ||
// End Unix2DateTime | // End Unix2DateTime | ||
////////////////////////////////////////////// | ////////////////////////////////////////////// | ||
</pre> |
Revision as of 09:33, 19 September 2007
LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Unix2DateTime
///////////////////////////////////////////////////////////////////// // Script Library Contribution by Flennan Roffo // Logic Scripted Products & Script Services // Peacock Park (183,226,69) // (c) 2007 - Flennan Roffo // // Distributed as GPL // // SCRIPT: Unix2DateTime.lsl // // FUNCTION: // Perform conversion from return value of llGetUnixTimestamp() to // date and time strings. ///////////////////////////////////////////////////////////////////// ///////////////////////////// Unix Time conversion ////////////////// integer DAYS_PER_YEAR = 365; // Non leap year integer SECONDS_PER_YEAR = 31536000; // Non leap year integer SECONDS_PER_DAY = 86400; integer SECONDS_PER_HOUR = 3600; integer SECONDS_PER_MINUTE = 60; list MonthNameList = [ "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC" ]; ////////////////////////////// LeapYear() ///////////////////////////// integer LeapYear(integer year) { if (year % 4 == 0) { if (year % 100 == 0) { if (year % 400 == 0) { return 1; } else { return 0; } } else { return 1; } } else { return 0; } } ////////////////////////////// DaysPerMonth() /////////////////////////////////////// integer DaysPerMonth(integer year,integer month) { if (month < 8) { if (month % 2 == 0) { if (month == 2) { if (LeapYear(year)) { return 29; } else { return 28; } } else { return 30; } } else { return 31; } } else { if (month % 2 == 0) { return 31; } else { return 30; } } } /////////////////////////// DaysPerYear() //////////////////////////////////// integer DaysPerYear(integer year) { if (LeapYear(year)) return DAYS_PER_YEAR + 1; else return DAYS_PER_YEAR; } /////////////////////////////////////////////////////////////////////////////////////// // Convert Unix time (integer) to a Date and Time string /////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////// Unix2DataTime() /////////////////////////////////////// list Unix2DateTime(integer unixtime) { integer days_since_1_1_1970 = unixtime / SECONDS_PER_DAY; integer day = days_since_1_1_1970 + 1; integer year = 1970; integer days_per_year = DaysPerYear(year); while (day > days_per_year) { day -= days_per_year; ++year; days_per_year = DaysPerYear(year); } integer month = 1; integer days_per_month = DaysPerMonth(year,month); while (day > days_per_month) { day -= days_per_month; if (++month > 12) { ++year; month = 1; } days_per_month = DaysPerMonth(year,month); } integer seconds_since_midnight = unixtime % SECONDS_PER_DAY; integer hour = seconds_since_midnight / SECONDS_PER_HOUR; integer second = seconds_since_midnight % SECONDS_PER_HOUR; integer minute = second / SECONDS_PER_MINUTE; second = second % SECONDS_PER_MINUTE; return [ year, month, day, hour, minute, second ]; } ///////////////////////////////// MonthName() //////////////////////////// string MonthName(integer month) { if (month >= 0 && month < 12) return llList2String(MonthNameList, month); else return ""; } ///////////////////////////////// DateString() /////////////////////////// string DateString(list timelist) { integer year = llList2Integer(timelist,0); integer month = llList2Integer(timelist,1); integer day = llList2Integer(timelist,2); return (string)day + "-" + MonthName(month - 1) + "-" + (string)year; } ///////////////////////////////// TimeString() //////////////////////////// string TimeString(list timelist) { integer hour = llList2Integer(timelist,3); integer minute = llList2Integer(timelist,4); integer second = llList2Integer(timelist,5); string hourstr = (string)hour; string minutestr = (string)minute; string secondstr = (string)second; if (hour < 10) hourstr = "0" + hourstr; if (minute < 10) minutestr = "0" + minutestr; if (second < 10) secondstr = "0" + secondstr; return hourstr + ":" + minutestr + ":" + secondstr; } /////////////////////////////////////////////////////////////////////////////// // Convert a date and time to a Unix time integer /////////////////////////////////////////////////////////////////////////////// ////////////////////////// DateTime2Unix() //////////////////////////////////// integer DateTime2Unix(integer year, integer month, integer day, integer hour, integer minute, integer second) { integer time = 0; integer yr = 1970; integer mt = 1; integer days; while(yr < year) { days = DaysPerYear(yr++); time += days * SECONDS_PER_DAY; } while (mt < month) { days = DaysPerMonth(mt++); time += days * SECONDS_PER_DAY; } days = day - 1; time += days * SECONDS_PER_DAY; time += hour * SECONDS_PER_HOUR; time += minute * SECONDS_PER_MINUTE; time += second; return time; } ////////////////////////////////////////////// // End Unix2DateTime //////////////////////////////////////////////