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module Chronic
class RepeaterDayName < Repeater #:nodoc:
DAY_SECONDS = 86400 # (24 * 60 * 60)
def initialize(type)
super
end
def next(pointer)
super
direction = pointer == :future ? 1 : -1
if !@current_date
@current_date = Date.new(@now.year, @now.month, @now.day)
@current_date += direction
day_num = symbol_to_number(@type)
while @current_date.wday != day_num
@current_date += direction
end
else
@current_date += direction * 7
end
next_date = @current_date.succ
Span.new(Chronic.construct(@current_date.year, @current_date.month, @current_date.day), Chronic.construct(next_date.year, next_date.month, next_date.day))
end
def this(pointer = :future)
super
pointer = :future if pointer == :none
self.next(pointer)
end
def width
DAY_SECONDS
end
def to_s
super << '-dayname-' << @type.to_s
end
private
def symbol_to_number(sym)
lookup = {:sunday => 0, :monday => 1, :tuesday => 2, :wednesday => 3, :thursday => 4, :friday => 5, :saturday => 6}
lookup[sym] || raise("Invalid symbol specified")
end
end
end
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