/* strftime.js - a javascript implementation of the strftime found in the perl module Time::CTime by David Muir Sharnoff and incorporating derivations from other sources as referenced below. Copyright (C) 2004-2009 Jonathan Buhacoff 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 of the License, 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. To obtain a copy of the GNU General Public License, visit http://www.gnu.org/licenses/gpl.html or write to the Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ // this javascript library requires the sprintf.js library to be imported as well var DoW = new Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat"); var DayOfWeek = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"); var MoY = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"); var MonthOfYear = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"); var DaysInYear = new Array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365); var DaysInLeapYear = new Array(0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366); // var DaysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); // var DaysInLeapYearMonth = new Array(31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); //use vars qw($template $sec $min $hour $mday $mon $year $wday $yday $isdst); var strftime_conversion = new Object(); strftime_conversion["%"] = "\"%\""; strftime_conversion["a"] = "DoW[the_date.getDay()]"; strftime_conversion["A"] = "DayOfWeek[the_date.getDay()]"; strftime_conversion["b"] = "MoY[the_date.getMonth()]"; strftime_conversion["B"] = "MonthOfYear[the_date.getMonth()]"; strftime_conversion["c"] = "asctime_n(the_date)"; strftime_conversion["d"] = "sprintf(\"%02d\", the_date.getDate())"; strftime_conversion["D"] = "sprintf(\"%02d/%02d/%02d\", the_date.getMonth()+1, the_date.getDate(), the_date.getFullYear() % 100)"; strftime_conversion["e"] = "sprintf(\"%2d\", the_date.getDate())"; strftime_conversion["f"] = "fracprintf(\"%3.3f\", the_date.getSeconds())"; strftime_conversion["F"] = "fracprintf(\"%6.6f\", the_date.getSeconds())"; strftime_conversion["h"] = "MoY[the_date.getMonth()]"; // yes, same as b strftime_conversion["H"] = "sprintf(\"%02d\", the_date.getHours())"; strftime_conversion["I"] = "sprintf(\"%02d\", the_date.getHours() % 12 || 12)"; strftime_conversion["j"] = "sprintf(\"%03d\", dayofyear(the_date.getFullYear(),the_date.getMonth(),the_date.getDate()))"; strftime_conversion["k"] = "sprintf(\"%2d\", the_date.getHours())"; strftime_conversion["l"] = "sprintf(\"%2d\", the_date.getHours() % 12 || 12)"; strftime_conversion["m"] = "sprintf(\"%02d\", the_date.getMonth()+1)"; strftime_conversion["M"] = "sprintf(\"%02d\", the_date.getMinutes())"; strftime_conversion["n"] = "\"\""; // supposed to be a newline, but \n gives a result of "undefined"... strftime_conversion["o"] = "sprintf(\"%d%s\", the_date.getDate(), ((the_date.getDate() < 20 && the_date.getDate() > 3) ? \"th\" : (the_date.getDate()%10 == 1 ? \"st\" : (the_date.getDate()%10 == 2 ? \"nd\" : (the_date.getDate()%10 == 3 ? \"rd\" : \"th\")))))"; strftime_conversion["p"] = "the_date.getHours() > 11 ? \"PM\" : \"AM\""; strftime_conversion["r"] = "sprintf(\"%02d:%02d:%02d %s\", the_date.getHours() % 12 || 12, the_date.getMinutes(), the_date.getSeconds(), the_date.getHours() > 11 ? \"PM\" : \"AM\" )"; strftime_conversion["R"] = "sprintf(\"%02d:%02d\", the_date.getHours(), the_date.getMinutes())"; strftime_conversion["S"] = "sprintf(\"%02d\", the_date.getSeconds())"; strftime_conversion["t"] = "\"\t\""; strftime_conversion["T"] = "sprintf(\"%02d:%02d:%02d\", the_date.getHours(), the_date.getMinutes(), the_date.getSeconds())"; strftime_conversion["U"] = "wkyr(0, the_date.getDay(), dayofyear(the_date.getFullYear(),the_date.getMonth(),the_date.getDate())-1)", strftime_conversion["w"] = "the_date.getDay()"; strftime_conversion["W"] = "wkyr(1,the_date.getDay(), dayofyear(the_date.getFullYear(),the_date.getMonth(),the_date.getDate())-1)", strftime_conversion["x"] = "sprintf(\"%02d/%02d/%02d\", the_date.getMonth()+1, the_date.getDate(), the_date.getFullYear() % 100 )"; strftime_conversion["X"] = "sprintf(\"%02d:%02d:%02d\", the_date.getHours(), the_date.getMinutes(), the_date.getSeconds())"; // yes, same as T strftime_conversion["y"] = "sprintf(\"%02d\", the_date.getFullYear() % 100 )"; strftime_conversion["Y"] = "the_date.getFullYear()"; strftime_conversion["Z"] = "\"\""; // not supported yet, need to implement tz2zone 'Z', sub { &tz2zone(undef,undef,$isdst) } function asctime_n (the_date) { var timezone_offset = ""; if( the_date.getTimezoneOffset() ) { var timezone_hours = Math.floor(the_date.getTimezoneOffset()/60); var timezone_sign = ( timezone_hours > 0 ? "+" : "-" ); timezone_offset = "GMT" + timezone_sign + timezone_hours + " "; } return sprintf("%s %s %2d %2d:%02d:%02d %s%4d", DoW[the_date.getDay()] , MoY[the_date.getMonth()] , the_date.getDate() , the_date.getHours() , the_date.getMinutes() , the_date.getSeconds() , timezone_offset , the_date.getFullYear() ); /* var the_result = DoW[the_date.getDay()] + " " + MoY[the_date.getMonth()] + " " + the_date.getDate() + " " + the_date.getHours() + " " + the_date.getMinutes() + " " + the_date.getSeconds() + " " + the_date.getTimezoneOffset() + " " + the_date.getFullYear(); return the_result; */ } function asctime( the_date ) { return asctime_n(the_date) + "\n"; } function fracprintf( the_template, the_number ) { var the_result = sprintf(the_template, the_number - Math.round(the_number)); while( the_result.charAt(0) == "0" ) { the_result = the_result.substring(1); } return the_result; } // if wstart0 == 0 then the week starts on sunday (day 0), if it's 1 then monday (day 1), etc. function wkyr (wstart0, wday0, yday0 ) { wday0 = ( wday0 + 7 - wstart0 ) % 7; return Math.round( ( yday0 - wday0 + 13 ) / 7 - 1 ); } // adapted from http://www.mitre.org/tech/cots/LEAPCALC.html function leapyear( yyyy ) { if (yyyy % 4 != 0) return 0; else if (yyyy % 400 == 0) return 1; else if (yyyy % 100 == 0) return 0; else return 1; } // adapted from Day_of_Year in Date::Pcalc // yyyy is 4 digit year, month0 is 0-indexed month (Jan=0, Feb=1, ...) // result is indexed the same as the day (if your day is 0-indexed then dayofyear(yyyy,0,0) is day 0, but if you use 1 for the 1st day then dayofyear(yyyy,0,1) is 1 ) function dayofyear( yyyy, month0, day ) { if( leapyear(yyyy) ) { return DaysInLeapYear[month0] + day; } else { return DaysInYear[month0] + day; } } // Version 0.1 adapted from Time::CTime available at search.cpan.org // the_template is a string containing formatting such as "%e %b '%y" // the_date is a javascript Date object // example: var todays_date = strftime("%A, %B %o, %Y", new Date()); function strftime( the_template, the_date ) { var the_result = ""; var i; for(i=0; i