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module RiCal
class PropertyValue
class RecurrenceRule < PropertyValue
#- ©2009 Rick DeNatale, All rights reserved. Refer to the file README.txt for the license
#
module TimeManipulation #:nodoc:
def advance_day(date_time)
date_time.advance(:days => 1)
end
def first_hour_of_day(date_time)
date_time.change(:hour => 0)
end
def advance_week(date_time)
date_time.advance(:days => 7)
end
def first_day_of_week(wkst_day, date_time)
date_time.at_start_of_week_with_wkst(wkst_day)
end
def advance_month(date_time)
date_time.advance(:months => 1)
end
def first_day_of_month(date_time)
date_time.change(:day => 1)
end
def advance_year(date_time)
date_time.advance(:years => 1)
end
def first_day_of_year(date_time)
date_time.change(:month => 1, :day => 1)
end
end
end
end
end
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