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_season_names, scan_for_times, scan_for_units

Methods inherited from Tag

#start=

Constructor Details

#initialize(time) ⇒ RepeaterTime

Returns a new instance of RepeaterTime.



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# File 'lib/chronic/repeaters/repeater_time.rb', line 29

def initialize(time)
  t = time.gsub(/\:/, '')

  @type =
  case t.size
  when 1..2
    hours = t.to_i
    Tick.new((hours == 12 ? 0 : hours) * 60 * 60, true)
  when 3
    hours = t[0..0].to_i
    ambiguous = hours > 0
    Tick.new((hours * 60 * 60) + (t[1..2].to_i * 60), ambiguous)
  when 4
    ambiguous = time =~ /:/ && t[0..0].to_i != 0 && t[0..1].to_i <= 12
    hours = t[0..1].to_i
    hours == 12 ? Tick.new(0 * 60 * 60 + t[2..3].to_i * 60, ambiguous) : Tick.new(hours * 60 * 60 + t[2..3].to_i * 60, ambiguous)
  when 5
    Tick.new(t[0..0].to_i * 60 * 60 + t[1..2].to_i * 60 + t[3..4].to_i, true)
  when 6
    ambiguous = time =~ /:/ && t[0..0].to_i != 0 && t[0..1].to_i <= 12
    hours = t[0..1].to_i
    hours == 12 ? Tick.new(0 * 60 * 60 + t[2..3].to_i * 60 + t[4..5].to_i, ambiguous) : Tick.new(hours * 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 59

def next(pointer)
  super

  half_day = 60 * 60 * 12
  full_day = 60 * 60 * 24

  first = false

  unless @current_time
    first = true
    midnight = Chronic.time_class.local(@now.year, @now.month, @now.day)

    yesterday_midnight = midnight - full_day
    tomorrow_midnight = midnight + full_day

    offset_fix = midnight.gmt_offset - tomorrow_midnight.gmt_offset
    tomorrow_midnight += offset_fix

    catch :done do
      if pointer == :future
        if @type.ambiguous?
          [midnight + @type.time + offset_fix, midnight + half_day + @type.time + offset_fix, tomorrow_midnight + @type.time].each do |t|
            (@current_time = t; throw :done) if t >= @now
          end
        else
          [midnight + @type.time + offset_fix, tomorrow_midnight + @type.time].each do |t|
            (@current_time = t; throw :done) if t >= @now
          end
        end
      else # pointer == :past
        if @type.ambiguous?
          [midnight + half_day + @type.time + offset_fix, midnight + @type.time + offset_fix, yesterday_midnight + @type.time + half_day].each do |t|
            (@current_time = t; throw :done) if t <= @now
          end
        else
          [midnight + @type.time + offset_fix, yesterday_midnight + @type.time].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

  Span.new(@current_time, @current_time + width)
end

#this(context = :future) ⇒ Object



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# File 'lib/chronic/repeaters/repeater_time.rb', line 112

def this(context = :future)
  super

  context = :future if context == :none

  self.next(context)
end

#to_sObject



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# File 'lib/chronic/repeaters/repeater_time.rb', line 124

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

#widthObject



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# File 'lib/chronic/repeaters/repeater_time.rb', line 120

def width
  1
end