Class: Chronic::RepeaterTime

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

Overview

:nodoc:

Defined Under Namespace

Classes: Tick

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_month_names, scan_for_times, scan_for_units

Methods inherited from Tag

#start=

Constructor Details

#initialize(time, options = {}) ⇒ RepeaterTime

Returns a new instance of RepeaterTime.



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# File 'lib/chronic/repeaters/repeater_time.rb', line 27

def initialize(time, options = {})
  t = time.gsub(/\:/, '')
  @type = 
  if (1..2) === t.size
    Tick.new(t.to_i * 60 * 60, true)
  elsif t.size == 3
    Tick.new((t[0..0].to_i * 60 * 60) + (t[1..2].to_i * 60), true)
  elsif t.size == 4
    ambiguous = time =~ /:/ && t[0..0].to_i != 0 && t[0..1].to_i <= 12
    Tick.new(t[0..1].to_i * 60 * 60 + t[2..3].to_i * 60, ambiguous)
  elsif t.size == 5
    Tick.new(t[0..0].to_i * 60 * 60 + t[1..2].to_i * 60 + t[3..4].to_i, true)
  elsif t.size == 6
    ambiguous = time =~ /:/ && t[0..0].to_i != 0 && t[0..1].to_i <= 12
    Tick.new(t[0..1].to_i * 60 * 60 + t[2..3].to_i * 60 + t[4..5].to_i, ambiguous)
  else
    raise("Time cannot exceed six digits")
  end
end

Instance Method Details

#next(pointer) ⇒ Object

Return the next past or future Span for the time that this Repeater represents

pointer - Symbol representing which temporal direction to fetch the next day
          must be either :past or :future



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# File 'lib/chronic/repeaters/repeater_time.rb', line 50

def next(pointer)
  super
  
  half_day = 60 * 60 * 12
  full_day = 60 * 60 * 24
  
  first = false
  
  unless @current_time
    first = true
    midnight = Time.local(@now.year, @now.month, @now.day)
    yesterday_midnight = midnight - full_day
    tomorrow_midnight = midnight + full_day

    catch :done do
      if pointer == :future
        if @type.ambiguous?
          [midnight + @type, midnight + half_day + @type, tomorrow_midnight + @type].each do |t|
            (@current_time = t; throw :done) if t > @now
          end
        else
          [midnight + @type, tomorrow_midnight + @type].each do |t|
            (@current_time = t; throw :done) if t > @now
          end
        end
      else # pointer == :past
        if @type.ambiguous?
          [midnight + half_day + @type, midnight + @type, yesterday_midnight + @type * 2].each do |t|
            (@current_time = t; throw :done) if t < @now
          end
        else
          [midnight + @type, yesterday_midnight + @type].each do |t|
            (@current_time = t; throw :done) if t < @now
          end
        end
      end
    end
    
    @current_time || raise("Current time cannot be nil at this point")
  end
  
  unless first
    increment = @type.ambiguous? ? half_day : full_day
    @current_time += pointer == :future ? increment : -increment
  end
  
  Chronic::Span.new(@current_time, @current_time + width)
end

#this(context = :future) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_time.rb', line 99

def this(context = :future)
  super
  
  context = :future if context == :none
  
  self.next(context)
end

#to_s ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_time.rb', line 111

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

#width ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_time.rb', line 107

def width
  1
end