Class: Chronic::RepeaterDayPortion

Inherits:
Repeater show all
Defined in:
lib/chronic/repeaters/repeater_day_portion.rb

Overview

:nodoc:

Constant Summary collapse

@@morning =

6am-12am

(6 * 60 * 60)..(12 * 60 * 60)
@@afternoon =

1pm-5pm

(13 * 60 * 60)..(17 * 60 * 60)
@@evening =

5pm-8pm

(17 * 60 * 60)..(20 * 60 * 60)
@@night =

8pm-12pm

(20 * 60 * 60)..(24 * 60 * 60)

Instance Attribute Summary

Attributes inherited from Tag

#type

Instance Method Summary collapse

Methods inherited from Repeater

#<=>, scan, scan_for_day_names, scan_for_day_portions, scan_for_decades, scan_for_month_names, scan_for_season_names, scan_for_times, scan_for_units

Methods inherited from Tag

#start=

Constructor Details

#initialize(type) ⇒ RepeaterDayPortion

Returns a new instance of RepeaterDayPortion.



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 7

def initialize(type)
	super
	@current_span = nil

	if type.kind_of? Integer
		@range = (@type * 60 * 60)..((@type + 12) * 60 * 60)
	else
		lookup = {:am => 0..(12 * 60 * 60 - 1),
			:pm => (12 * 60 * 60)..(24 * 60 * 60 - 1),
			:morning => @@morning,
			:afternoon => @@afternoon,
			:evening => @@evening,
			:night => @@night}
		@range = lookup[type]
		lookup[type] || raise("Invalid type '#{type}' for RepeaterDayPortion")
	end
	@range || raise("Range should have been set by now")
end

Instance Method Details

#next(pointer) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 26

def next(pointer)
	super

	full_day = 60 * 60 * 24

	if !@current_span
		now_seconds = @now - Time.construct(@now.year, @now.month, @now.day)
		if now_seconds < @range.begin
			case pointer
			when :future
				range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
			when :past
				range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
			end
		elsif now_seconds > @range.end
			case pointer
			when :future
				range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
			when :past
				range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
			end
		else
			case pointer
			when :future
				range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
			when :past
				range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
			end
		end

		@current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
	else
		case pointer
		when :future
			@current_span += full_day
		when :past
			@current_span -= full_day
		end
	end
end

#offset(span, amount, pointer) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 74

def offset(span, amount, pointer)
	@now = span.begin
	portion_span = self.next(pointer)
	direction = pointer == :future ? 1 : -1
	portion_span + (direction * (amount - 1) * Chronic::RepeaterDay::DAY_SECONDS)
end

#this(context = :future) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 67

def this(context = :future)
	super

	range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
	@current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
end

#to_s ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 91

def to_s
	super << '-dayportion-' << @type.to_s
end

#width ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 81

def width
	@range || raise("Range has not been set")
	return @current_span.width if @current_span
	if @type.kind_of? Integer
		return (12 * 60 * 60)
	else
		@range.end - @range.begin
	end
end