Class: MailParser::RFC2822::DateTime

Inherits:
Object
  • Object
show all
Defined in:
lib/mailparser/rfc2822.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year, month, day, hour, min, sec, zone_or_offset) ⇒ DateTime

Returns a new instance of DateTime.

Raises:

  • (ArgumentError) 


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# File 'lib/mailparser/rfc2822.rb', line 159

def initialize(year, month, day, hour, min, sec, zone_or_offset)
  y, m, d, h, mi, s = year.to_i, month.to_i, day.to_i, hour.to_i, min.to_i, sec.to_i
  raise ArgumentError, "invalid year" if y < 0 or 9999 < y
  raise ArgumentError, "invalid month" if m < 1 or 12 < m
  raise ArgumentError, "invalid day of the month" if d < 1
  if [1,3,5,7,8,10,12].include? m
    raise ArgumentError, "invalid day of the month" if d > 31
  elsif [4,6,9,11].include? m
    raise ArgumentError, "invalid day of the month" if d > 30
  else # month == 2
    if y%4 == 0 and (y%100 !=0 or y%400 == 0)
      raise ArgumentError, "invalid day of the month" if d > 29
    else
      raise ArgumentError, "invalid day of the month" if d > 28
    end
  end
  raise ArgumentError, "invalid hour" if h > 23
  raise ArgumentError, "invalid minute" if mi > 59
  raise ArgumentError, "invalid second" if s > 60
  @year, @month, @day, @hour, @min, @sec = y, m, d, h, mi, s
  if zone_or_offset.is_a? Integer
    offset = zone_or_offset
    @zone_sec = offset
    @zone = format("%03d%02d", offset/3600, offset%3600).sub(/^0/, '+')
    return
  end
  zone = zone_or_offset
  if zone =~ /^[+-]\d\d(\d\d)$/ then
    raise ArgumentError, "invalid zone" if $1.to_i > 59
  else
    zone = (zone && ZONE[zone.upcase]) || "-0000"
  end
  z = zone[1,4].to_i
  @zone = zone
  @zone_sec = z/100*3600 + z%100*60
  @zone_sec = -@zone_sec if zone[0] == ?-
end

Instance Attribute Details

#day ⇒ Object (readonly)

Returns the value of attribute day.



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# File 'lib/mailparser/rfc2822.rb', line 197

def day
  @day
end

#hour ⇒ Object (readonly)

Returns the value of attribute hour.



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# File 'lib/mailparser/rfc2822.rb', line 197

def hour
  @hour
end

#min ⇒ Object (readonly)

Returns the value of attribute min.



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# File 'lib/mailparser/rfc2822.rb', line 197

def min
  @min
end

#month ⇒ Object (readonly)

Returns the value of attribute month.



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# File 'lib/mailparser/rfc2822.rb', line 197

def month
  @month
end

#sec ⇒ Object (readonly)

Returns the value of attribute sec.



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# File 'lib/mailparser/rfc2822.rb', line 197

def sec
  @sec
end

#year ⇒ Object (readonly)

Returns the value of attribute year.



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# File 'lib/mailparser/rfc2822.rb', line 197

def year
  @year
end

#zone ⇒ Object (readonly)

Returns the value of attribute zone.



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# File 'lib/mailparser/rfc2822.rb', line 197

def zone
  @zone
end

Class Method Details

.now ⇒ Object 



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# File 'lib/mailparser/rfc2822.rb', line 154

def self.now
  t = Time.now
  self.new(t.year, t.month, t.day, t.hour, t.min, t.sec, t.utc_offset)
end

Instance Method Details

#time ⇒ Object 



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# File 'lib/mailparser/rfc2822.rb', line 199

def time()
  t = Time.utc(@year, @month, @day, @hour, @min, @sec)
  Time.at(t.to_i - @zone_sec)
end