Method: When::V::Event::Enumerator::Logic::Enumerator#initialize

Defined in:
lib/when_exe/icalendar.rb

#initialize(by_part, list, position, ref, start, dtstart) ⇒ Enumerator

Returns a new instance of Enumerator.



1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
 
# File 'lib/when_exe/icalendar.rb', line 1629

def initialize(by_part, list, position, ref, start, dtstart)
  @by_part = by_part
  @ref =
    if ref
      When.Resource(ref, '_n:')
    else
      method = list[/\A[^-+\d]+/]
      if dtstart.frame.note.respond_to?(method)
        dtstart.frame.note
      else
        When.Resource(When::V::Event::RegisteredNotes[method], '_n:')
      end
    end
  @start   = start
  @list    = list.split(/,/).map {|w|
    raise ArgumentError, "The #{by_part} rule format error" unless w =~ /\A(([-+]?\d+)\*)?(.+?)([-+]\d+)?\z/
    nth, spec, period = $~[2..4]
    nth    = (nth) ? nth.to_i : position
    period  = When::TM::PeriodDuration.new((period||0).to_i, PostFreqIndex[@by_part])
    [nth, spec, period]
  }
end