Class: Zwite::DateFormat::Formatter

Inherits:
Object
  • Object
show all
Defined in:
lib/zwite/core/dateformat.rb

Constant Summary collapse

WEEKDAYS = 
{
  0 => "Sunday",
  1 => "Monday",
  2 => "Tuesday",
  3 => "Wednesday",
  4 => "Thursday",
  5 => "Friday",
  6 => "Saturday"
}
WEEKDAYS_ABBR = 
{
  0 => "Sun",
  1 => "Mon",
  2 => "Tue",
  3 => "Wed",
  4 => "Thu",
  5 => "Fri",
  6 => "Sat"
}
WEEKDAYS_REV = 
{
  "sunday" => 0,
  "monday" => 1,
  "tuesday" => 2,
  "wednesday" => 3,
  "thursday" => 4,
  "friday" => 5,
  "saturday" => 6
}
MONTHS = 
{
  1 => "January",
  2 => "February",
  3 => "March",
  4 => "April",
  5 => "May",
  6 => "June",
  7 => "July",
  8 => "August",
  9 => "September",
  10 => "October",
  11 => "November",
  12 => "December"
}
MONTHS_3 = 
{
  1 => "Jan",
  2 => "Feb",
  3 => "Mar",
  4 => "Apr",
  5 => "May",
  6 => "Jun",
  7 => "Jul",
  8 => "Aug",
  9 => "Sep",
  10 => "Oct",
  11 => "Nov",
  12 => "Dec"
}
MONTHS_3_REV = 
{
  "Jan" => 1,
  "Feb" => 2,
  "Mar" => 3,
  "Apr" => 4,
  "May" => 5,
  "Jun" => 6,
  "Jul" => 7,
  "Aug" => 8,
  "Sep" => 9,
  "Oct" => 10,
  "Nov" => 11,
  "Dec" => 12
}
MONTHS_AP = 
{
  1 => "Jan.",
  2 => "Feb.",
  3 => "March",
  4 => "April",
  5 => "May",
  6 => "June",
  7 => "July",
  8 => "Aug.",
  9 => "Sept.",
  10 => "Oct.",
  11 => "Nov.",
  12 => "Dec."
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(datetime) ⇒ Formatter

Returns a new instance of Formatter.



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# File 'lib/zwite/core/dateformat.rb', line 93

def initialize(datetime)
  self.data = datetime
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/zwite/core/dateformat.rb', line 91

def data
  @data
end

Instance Method Details

#a ⇒ Object

a.m or p.m



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# File 'lib/zwite/core/dateformat.rb', line 110

def a
  if self.data.hour > 11
    return "p.m."
  end
  return "a.m"
end

#A ⇒ Object

‘AM’ or ‘PM’.



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# File 'lib/zwite/core/dateformat.rb', line 118

def A
  if self.data.hour > 11
    return "PM"
  end
  return "AM"
end

#b ⇒ Object

Month, textual, 3 letters, lowercase.



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# File 'lib/zwite/core/dateformat.rb', line 126

def b
  return MONTHS_3[self.data.month].downcase
end

#B ⇒ Object

Unimplemented



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# File 'lib/zwite/core/dateformat.rb', line 131

def B
  return "[B]Unimplemented"
end

#c ⇒ Object

ISO 8601 format. (Note: unlike others formatters, such as “Z”, “O” or “r”, the “c” formatter will not add timezone offset if value is a naive datetime (see datetime.tzinfo).



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# File 'lib/zwite/core/dateformat.rb', line 136

def c
  return self.data.iso8601
end

#D ⇒ Object

Day of the week, textual, 3 letters.



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# File 'lib/zwite/core/dateformat.rb', line 146

def D
  return WEEKDAYS_ABBR[self.data.weekday]
end

#d ⇒ Object

Day of the month, 2 digits with leading zeros.



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# File 'lib/zwite/core/dateformat.rb', line 141

def d
  return "%02d" % self.data.day
end

#e ⇒ Object

Unimplemented



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# File 'lib/zwite/core/dateformat.rb', line 151

def e
  return "[E]Unimplemented"
end

#E ⇒ Object

Month, locale specific alternative representation usually used for long date representation



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# File 'lib/zwite/core/dateformat.rb', line 156

def E
  return MONTHS_ALT[self.data.month]
end

#f ⇒ Object

Time, in 12-hour hours and minutes, with minutes left off if they’re zero. Proprietary extension.



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# File 'lib/zwite/core/dateformat.rb', line 161

def f
  if self.data.minute == 0
    return self.g
  end
  return "%s:%s" % self.g, self.i
end

#F ⇒ Object

Month, textual, long.



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# File 'lib/zwite/core/dateformat.rb', line 169

def F
  return MONTHS[self.data.month]
end

#format(str) ⇒ Object 



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# File 'lib/zwite/core/dateformat.rb', line 97

def format(str)
  pieces = []
  str.each_char do |c|
    if Formatter.method_defined?(c)
      pieces << self.send(c)
    elsif c
      pieces << c
    end
  end
  return pieces.join("")
end

#G ⇒ Object

Hour 24 hour format - without leading zeros



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# File 'lib/zwite/core/dateformat.rb', line 185

def G
  return self.data.hour
end

#g ⇒ Object

Hour 12 hour format - without leading zeros



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# File 'lib/zwite/core/dateformat.rb', line 174

def g
  if self.data.hour == 0
    return 12
  end
  if self.data.hour > 12
    return self.data.hour - 12
  end
  return self.data.hour
end

#h ⇒ Object

Hour 12 hour format



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# File 'lib/zwite/core/dateformat.rb', line 190

def h
  return "%02d" % self.g
end

#H ⇒ Object

Hour 24 hour format



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# File 'lib/zwite/core/dateformat.rb', line 195

def H
  return "%02d" % self.G
end

#i ⇒ Object

Minutes



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# File 'lib/zwite/core/dateformat.rb', line 200

def i
  return "%02d" % self.data.minute
end

#I ⇒ Object

Unimplemented



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# File 'lib/zwite/core/dateformat.rb', line 205

def I
  return "[I]Unimplemented"
end

#j ⇒ Object

Day of the month without leading zeros.



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# File 'lib/zwite/core/dateformat.rb', line 210

def j
  return self.data.day
end

#l ⇒ Object

Day of the week, textual, long.



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# File 'lib/zwite/core/dateformat.rb', line 215

def l
  return WEEKDAYS[self.data.wday]
end

#L ⇒ Object

Boolean for whether it’s a leap year.



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# File 'lib/zwite/core/dateformat.rb', line 220

def L
  return self.data.leap?
end

#m ⇒ Object

Month, 2 digits with leading zeros.



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# File 'lib/zwite/core/dateformat.rb', line 225

def m
  return "%02d" % self.data.month
end

#M ⇒ Object

Month, textual, 3 letters.



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# File 'lib/zwite/core/dateformat.rb', line 230

def M
  return MONTHS_3[self.data.month]
end

#n ⇒ Object

Month without leading zero



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# File 'lib/zwite/core/dateformat.rb', line 235

def n
  return self.data.month
end

#N ⇒ Object

Month abbreviation in Associated Press style. Proprietary extension.



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# File 'lib/zwite/core/dateformat.rb', line 240

def N
  return MONTHS_AP[self.data.month]
end

#o ⇒ Object

ISO-8601 week-numbering year, corresponding to the ISO-8601 week number (W)



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# File 'lib/zwite/core/dateformat.rb', line 245

def o
  return self.data.strftime("%G")
end

#O ⇒ Object

Difference to Greenwich time in hours.



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# File 'lib/zwite/core/dateformat.rb', line 250

def O
  return self.data.strftime("%z")
end

#P ⇒ Object

Time, in 12-hour hours, minutes and ‘a.m.’/‘p.m.’, with minutes left off if they’re zero and the special-case strings ‘midnight’ and ‘noon’ if appropriate. Proprietary extension.



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# File 'lib/zwite/core/dateformat.rb', line 255

def P
  if self.data.minute == 0 && self.data.hour == 0
    return "midnight"
  elsif self.data.minute == 0 and self.data.hour == 12
    return "noon"
  end
  return "%s %s" % self.f, self.a
end

#r ⇒ Object

RFC 2822 formatted date.



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# File 'lib/zwite/core/dateformat.rb', line 265

def r
  return self.data.rfc2822
end

#s ⇒ Object

Seconds, 2 digits with leading zeros.



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# File 'lib/zwite/core/dateformat.rb', line 270

def s
  return "%02d" % self.data.second
end

#S ⇒ Object

English ordinal suffix for day of the month, 2 characters.



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# File 'lib/zwite/core/dateformat.rb', line 275

def S
  if (11..13).include?(self.data.day)
    return "#{self}th"
  end
  last = self.data.day % 10
  if last == 1
    return "st"
  elsif last == 2
    return "nd"
  elsif last == 3
    return "rd"
  end
  return "th"
end

#t ⇒ Object

Number of days in the given month



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# File 'lib/zwite/core/dateformat.rb', line 291

def t
  return (Date.new(self.data.year, 12, 31) << (12 - self.data.month)).day
end

#T ⇒ Object

Timezone of this machine



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# File 'lib/zwite/core/dateformat.rb', line 296

def T
  return DateTime.now.strftime("%Z")
end

#u ⇒ Object

Microseconds



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# File 'lib/zwite/core/dateformat.rb', line 301

def u
  return self.data.strftime("%6N").to_i
end

#U ⇒ Object

Seconds since the Unix Epoch (January 1 1970 00:00:00 UTC).



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# File 'lib/zwite/core/dateformat.rb', line 306

def U
  return self.data.strftime("%s").to_i
end

#W ⇒ Object

ISO-8601 week number of year, weeks starting on Monday



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# File 'lib/zwite/core/dateformat.rb', line 311

def W
  return self.data.strftime("%-V").to_i
end

#y ⇒ Object

Year 2 digits



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# File 'lib/zwite/core/dateformat.rb', line 316

def y
  return self.data.year.to_s[2..3]
end

#Y ⇒ Object

Year 4 digits



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# File 'lib/zwite/core/dateformat.rb', line 321

def Y
  return self.data.year
end

#z ⇒ Object

Day of the year



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# File 'lib/zwite/core/dateformat.rb', line 326

def z
  return self.data.yday - 1
end

#Z ⇒ Object

Time zone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive.



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# File 'lib/zwite/core/dateformat.rb', line 331

def Z
  return self.data.offset.numerator * 60 *60
end