Parent

Included Modules

Runt::PDate

PDate

Date and DateTime with explicit precision.

Based the pattern[http://martinfowler.com/ap2/timePoint.html] by Martin Fowler.

Author

Matthew Lipper

Attributes

date_precision[RW]

Public Class Methods

civil(*args) click to toggle source
# File lib/runt/pdate.rb, line 26
def civil(*args)
  precision=nil
  if(args[0].instance_of?(DPrecision::Precision))
    precision = args.shift
  else
    return PDate::sec(*args)
  end
  pdate = super(*args)
  pdate.date_precision = precision
  pdate
end
Also aliased as: new
day( yr,mon,day,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 125
def PDate.day( yr,mon,day,*ignored )
  PDate.civil(DAY, yr, mon, day )
end
default(*args) click to toggle source
# File lib/runt/pdate.rb, line 146
def PDate.default(*args)
  PDate.civil(DEFAULT, *args)
end
hour( yr,mon,day,hr=HOUR.min_value,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 129
def PDate.hour( yr,mon,day,hr=HOUR.min_value,*ignored )
  PDate.civil(HOUR, yr, mon, day,hr,MIN.min_value, SEC.min_value)
end
millisecond( yr,mon,day,hr,min,sec,ms,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 141
def PDate.millisecond( yr,mon,day,hr,min,sec,ms,*ignored )
  PDate.civil(SEC, yr, mon, day,hr,min, sec, ms, *ignored)
  #raise "Not implemented yet."
end
min( yr,mon,day,hr=HOUR.min_value,min=MIN.min_value,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 133
def PDate.min( yr,mon,day,hr=HOUR.min_value,min=MIN.min_value,*ignored )
  PDate.civil(MIN, yr, mon, day,hr,min, SEC.min_value)
end
month( yr,mon,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 111
def PDate.month( yr,mon,*ignored )
  PDate.civil(MONTH, yr, mon, DAY.min_value  )
end
new(*args) click to toggle source
Alias for: civil
parse(*args) click to toggle source
# File lib/runt/pdate.rb, line 38
def parse(*args)
  opts = args.last.is_a?(Hash) ? args.pop : {}
  pdate = super(*args)
  pdate.date_precision = opts[:precision] || opts[:date_precision]
  pdate
end
sec( yr,mon,day,hr=HOUR.min_value,min=MIN.min_value,sec=SEC.min_value,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 137
def PDate.sec( yr,mon,day,hr=HOUR.min_value,min=MIN.min_value,sec=SEC.min_value,*ignored )
  PDate.civil(SEC, yr, mon, day,hr,min, sec)
end
week( yr,mon,day,*ignored ) click to toggle source
# File lib/runt/pdate.rb, line 115
def PDate.week( yr,mon,day,*ignored )
  #LJK: need to calculate which week this day implies,
  #and then move the day back to the *first* day in that week;
  #note that since rfc2445 defaults to weekstart=monday, I'm 
  #going to use commercial day-of-week
  raw = PDate.day(yr, mon, day)
  cooked = PDate.commercial(raw.cwyear, raw.cweek, 1)
  PDate.civil(WEEK, cooked.year, cooked.month, cooked.day)
end
year(yr,*ignored) click to toggle source
# File lib/runt/pdate.rb, line 107
def PDate.year(yr,*ignored)
  PDate.civil(YEAR, yr, MONTH.min_value, DAY.min_value  )
end

Public Instance Methods

+(n) click to toggle source
# File lib/runt/pdate.rb, line 53
def + (n)
  raise TypeError, 'expected numeric' unless n.kind_of?(Numeric)
      ndays = n
  case @date_precision
  when YEAR then
    return DPrecision::to_p(PDate::civil(year+n,month,day),@date_precision)
  when MONTH then
    return DPrecision::to_p((self.to_date>>n),@date_precision)
  when WEEK then
    ndays = n*7     
  when DAY then
    ndays = n
  when HOUR then
    ndays = n*(1.to_r/24)
  when MIN then
    ndays = n*(1.to_r/1440)
  when SEC then
    ndays = n*(1.to_r/86400)
  when MILLI then
    ndays = n*(1.to_r/86400000)
  end
      DPrecision::to_p((self.to_date + ndays),@date_precision)
end
-(x) click to toggle source
# File lib/runt/pdate.rb, line 77
def - (x)
  case x
  when Numeric then
    return self+(-x)
  when Date then
           return super(DPrecision::to_p(x,@date_precision))
  end
  raise TypeError, 'expected numeric or date'
end
<=>(other) click to toggle source
# File lib/runt/pdate.rb, line 87
def <=> (other)
  result = nil
      raise "I'm broken #{self.to_s}" if @date_precision.nil?
  if(!other.nil? && other.respond_to?("date_precision") && other.date_precision>@date_precision)
    result = super(DPrecision::to_p(other,@date_precision))
  else
    result = super(other)
  end
  puts "self<#{self.to_s}><=>other<#{other.to_s}> => #{result}" if $DEBUG
  result
end
include?(expr) click to toggle source
# File lib/runt/pdate.rb, line 49
def include?(expr)
  eql?(expr)
end
marshal_dump() click to toggle source

FIXME: marshall broken in 1.9

Custom dump which preserves DatePrecision   

Author:: Jodi Showers
# File lib/runt/pdate.rb, line 156
def marshal_dump
  [date_precision, ajd, start, offset]
end
marshal_load(dumped_obj) click to toggle source

FIXME: marshall broken in 1.9

Custom load which preserves DatePrecision   

Author:: Jodi Showers
# File lib/runt/pdate.rb, line 166
def marshal_load(dumped_obj)
  @date_precision, @ajd, @sg, @of=dumped_obj
end
succ() click to toggle source
# File lib/runt/pdate.rb, line 99
def succ
      result = self + 1
    end
to_date() click to toggle source
# File lib/runt/pdate.rb, line 103
def to_date
  (self.date_precision > DAY) ? DateTime.new(self.year,self.month,self.day,self.hour,self.min,self.sec) : Date.new(self.year, self.month, self.day)
end

[Validate]

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