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if(!dojo._hasResource["dojox.date.posix"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.date.posix"] = true;
dojo.provide("dojox.date.posix");

dojo.require("dojo.date");
dojo.require("dojo.date.locale");
dojo.require("dojo.string");

dojox.date.posix.strftime = function(/*Date*/dateObject, /*String*/format, /*String?*/locale){
//
// summary:
//              Formats the date object using the specifications of the POSIX strftime function
//
// description:
//              see <http://www.opengroup.org/onlinepubs/007908799/xsh/strftime.html>

        // zero pad
        var padChar = null;
        var _ = function(s, n){
                return dojo.string.pad(s, n || 2, padChar || "0");
        };

        var bundle = dojo.date.locale._getGregorianBundle(locale);

        var $ = function(property){
                switch(property){
                        case "a": // abbreviated weekday name according to the current locale
                                return dojo.date.locale.getNames('days', 'abbr', 'format', locale)[dateObject.getDay()];

                        case "A": // full weekday name according to the current locale
                                return dojo.date.locale.getNames('days', 'wide', 'format', locale)[dateObject.getDay()];

                        case "b":
                        case "h": // abbreviated month name according to the current locale
                                return dojo.date.locale.getNames('months', 'abbr', 'format', locale)[dateObject.getMonth()];
                                
                        case "B": // full month name according to the current locale
                                return dojo.date.locale.getNames('months', 'wide', 'format', locale)[dateObject.getMonth()];
                                
                        case "c": // preferred date and time representation for the current
                                      // locale
                                return dojo.date.locale.format(dateObject, {formatLength: 'full', locale: locale});

                        case "C": // century number (the year divided by 100 and truncated
                                      // to an integer, range 00 to 99)
                                return _(Math.floor(dateObject.getFullYear()/100));
                                
                        case "d": // day of the month as a decimal number (range 01 to 31)
                                return _(dateObject.getDate());
                                
                        case "D": // same as %m/%d/%y
                                return $("m") + "/" + $("d") + "/" + $("y");
                                        
                        case "e": // day of the month as a decimal number, a single digit is
                                      // preceded by a space (range ' 1' to '31')
                                if(padChar == null){ padChar = " "; }
                                return _(dateObject.getDate());
                        
                        case "f": // month as a decimal number, a single digit is
                                                        // preceded by a space (range ' 1' to '12')
                                if(padChar == null){ padChar = " "; }
                                return _(dateObject.getMonth()+1);                              
                        
                        case "g": // like %G, but without the century.
                                break;
                        
                        case "G": // The 4-digit year corresponding to the ISO week number
                                      // (see %V).  This has the same format and value as %Y,
                                      // except that if the ISO week number belongs to the
                                      // previous or next year, that year is used instead.
                                dojo.unimplemented("unimplemented modifier 'G'");
                                break;
                        
                        case "F": // same as %Y-%m-%d
                                return $("Y") + "-" + $("m") + "-" + $("d");
                                
                        case "H": // hour as a decimal number using a 24-hour clock (range
                                      // 00 to 23)
                                return _(dateObject.getHours());
                                
                        case "I": // hour as a decimal number using a 12-hour clock (range
                                      // 01 to 12)
                                return _(dateObject.getHours() % 12 || 12);

                        case "j": // day of the year as a decimal number (range 001 to 366)
                                return _(dojo.date.locale._getDayOfYear(dateObject), 3);

                        case "k": // Hour as a decimal number using a 24-hour clock (range
                                          // 0 to 23 (space-padded))
                                if(padChar == null){ padChar = " "; }
                                return _(dateObject.getHours());

                        case "l": // Hour as a decimal number using a 12-hour clock (range
                                          // 1 to 12 (space-padded))
                                if(padChar == null){ padChar = " "; }
                                return _(dateObject.getHours() % 12 || 12);

                        case "m": // month as a decimal number (range 01 to 12)
                                return _(dateObject.getMonth() + 1);

                        case "M": // minute as a decimal number
                                return _(dateObject.getMinutes());

                        case "n":
                                return "\n";

                        case "p": // either `am' or `pm' according to the given time value,
                                      // or the corresponding strings for the current locale
                                return bundle[dateObject.getHours() < 12 ? "am" : "pm"];
                                
                        case "r": // time in a.m. and p.m. notation
                                return $("I") + ":" + $("M") + ":" + $("S") + " " + $("p");
                                
                        case "R": // time in 24 hour notation
                                return $("H") + ":" + $("M");
                                
                        case "S": // second as a decimal number
                                return _(dateObject.getSeconds());

                        case "t":
                                return "\t";

                        case "T": // current time, equal to %H:%M:%S
                                return $("H") + ":" + $("M") + ":" + $("S");
                                
                        case "u": // weekday as a decimal number [1,7], with 1 representing
                                      // Monday
                                return String(dateObject.getDay() || 7);
                                
                        case "U": // week number of the current year as a decimal number,
                                      // starting with the first Sunday as the first day of the
                                      // first week
                                return _(dojo.date.locale._getWeekOfYear(dateObject));

                        case "V": // week number of the year (Monday as the first day of the
                                      // week) as a decimal number [01,53]. If the week containing
                                      // 1 January has four or more days in the new year, then it 
                                      // is considered week 1. Otherwise, it is the last week of 
                                      // the previous year, and the next week is week 1.
                                return _(dojox.date.posix.getIsoWeekOfYear(dateObject));
                                
                        case "W": // week number of the current year as a decimal number,
                                      // starting with the first Monday as the first day of the
                                      // first week
                                return _(dojo.date.locale._getWeekOfYear(dateObject, 1));
                                
                        case "w": // day of the week as a decimal, Sunday being 0
                                return String(dateObject.getDay());

                        case "x": // preferred date representation for the current locale
                                      // without the time
                                return dojo.date.locale.format(dateObject, {selector:'date', formatLength: 'full', locale:locale});

                        case "X": // preferred time representation for the current locale
                                      // without the date
                                return dojo.date.locale.format(dateObject, {selector:'time', formatLength: 'full', locale:locale});

                        case "y": // year as a decimal number without a century (range 00 to
                                      // 99)
                                return _(dateObject.getFullYear()%100);
                                
                        case "Y": // year as a decimal number including the century
                                return String(dateObject.getFullYear());
                        
                        case "z": // time zone or name or abbreviation
                                var timezoneOffset = dateObject.getTimezoneOffset();
                                return (timezoneOffset > 0 ? "-" : "+") + 
                                        _(Math.floor(Math.abs(timezoneOffset)/60)) + ":" +
                                        _(Math.abs(timezoneOffset)%60);

                        case "Z": // time zone or name or abbreviation
                                return dojo.date.getTimezoneName(dateObject);
                        
                        case "%":
                                return "%";
                }
        };

        // parse the formatting string and construct the resulting string
        var string = "";
        var i = 0;
        var index = 0;
        var switchCase = null;
        while ((index = format.indexOf("%", i)) != -1){
                string += format.substring(i, index++);
                
                // inspect modifier flag
                switch (format.charAt(index++)) {
                        case "_": // Pad a numeric result string with spaces.
                                padChar = " "; break;
                        case "-": // Do not pad a numeric result string.
                                padChar = ""; break;
                        case "0": // Pad a numeric result string with zeros.
                                padChar = "0"; break;
                        case "^": // Convert characters in result string to uppercase.
                                switchCase = "upper"; break;
                        case "*": // Convert characters in result string to lowercase
                                switchCase = "lower"; break;
                        case "#": // Swap the case of the result string.
                                switchCase = "swap"; break;
                        default: // no modifier flag so decrement the index
                                padChar = null; index--; break;
                }

                // toggle case if a flag is set
                var property = $(format.charAt(index++));
                switch (switchCase){
                        case "upper":
                                property = property.toUpperCase();
                                break;
                        case "lower":
                                property = property.toLowerCase();
                                break;
                        case "swap": // Upper to lower, and versey-vicea
                                var compareString = property.toLowerCase();
                                var swapString = '';
                                var ch = '';
                                for (var j = 0; j < property.length; j++){
                                        ch = property.charAt(j);
                                        swapString += (ch == compareString.charAt(j)) ?
                                                ch.toUpperCase() : ch.toLowerCase();
                                }
                                property = swapString;
                                break;
                        default:
                                break;
                }
                switchCase = null;
                
                string += property;
                i = index;
        }
        string += format.substring(i);
        
        return string; // String
};

dojox.date.posix.getStartOfWeek = function(/*Date*/dateObject, /*Number*/firstDay){
        // summary: Return a date object representing the first day of the given
        //   date's week.
        if(isNaN(firstDay)){
                firstDay = dojo.cldr.supplemental.getFirstDayOfWeek ? dojo.cldr.supplemental.getFirstDayOfWeek() : 0;
        }
        var offset = firstDay;
        if(dateObject.getDay() >= firstDay){
                offset -= dateObject.getDay();
        }else{
                offset -= (7 - dateObject.getDay());
        }
        var date = new Date(dateObject);
        date.setHours(0, 0, 0, 0);
        return dojo.date.add(date, "day", offset); // Date
}

dojox.date.posix.setIsoWeekOfYear = function(/*Date*/dateObject, /*Number*/week){
        // summary: Set the ISO8601 week number of the given date.
        //   The week containing January 4th is the first week of the year.
        // week:
        //   can be positive or negative: -1 is the year's last week.
        if(!week){ return dateObject; }
        var currentWeek = dojox.date.posix.getIsoWeekOfYear(dateObject);
        var offset = week - currentWeek;
        if(week < 0){
                var weeks = dojox.date.posix.getIsoWeeksInYear(dateObject);
                offset = (weeks + week + 1) - currentWeek;
        }
        return dojo.date.add(dateObject, "week", offset); // Date
}

dojox.date.posix.getIsoWeekOfYear = function(/*Date*/dateObject){
        // summary: Get the ISO8601 week number of the given date.
        //   The week containing January 4th is the first week of the year.
        //   See http://en.wikipedia.org/wiki/ISO_week_date
        var weekStart = dojox.date.posix.getStartOfWeek(dateObject, 1);
        var yearStart = new Date(dateObject.getFullYear(), 0, 4); // January 4th
        yearStart = dojox.date.posix.getStartOfWeek(yearStart, 1);
        var diff = weekStart.getTime() - yearStart.getTime();
        if(diff < 0){ return dojox.date.posix.getIsoWeeksInYear(weekStart); } // Integer
        return Math.ceil(diff / 604800000) + 1; // Integer
}

dojox.date.posix.getIsoWeeksInYear = function(/*Date*/dateObject) {
        // summary: Determine the number of ISO8601 weeks in the year of the given 
        //   date. Most years have 52 but some have 53.
        //   See http://www.phys.uu.nl/~vgent/calendar/isocalendar_text3.htm    
        function p(y) {
                return y + Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400);
        }
        var y = dateObject.getFullYear();
        return ( p(y) % 7 == 4 || p(y-1) % 7 == 3 ) ? 53 : 52;  //      Integer
}

}