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, options = {}) ⇒ RepeaterTime

Returns a new instance of RepeaterTime.

Raises:

  • (ArgumentError) 


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

def initialize(time, options = {})
  @current_time = nil
  @options = options
  time_parts = time.split(':')
  raise ArgumentError, "Time cannot have more than 4 groups of ':'" if time_parts.count > 4

  if time_parts.first.length > 2 and time_parts.count == 1
    if time_parts.first.length > 4
      second_index = time_parts.first.length - 2
      time_parts.insert(1, time_parts.first[second_index..time_parts.first.length])
      time_parts[0] = time_parts.first[0..second_index - 1]
    end
    minute_index = time_parts.first.length - 2
    time_parts.insert(1, time_parts.first[minute_index..time_parts.first.length])
    time_parts[0] = time_parts.first[0..minute_index - 1]
  end

  ambiguous = false
  hours = time_parts.first.to_i

  if @options[:hours24].nil? or (not @options[:hours24].nil? and @options[:hours24] != true)
      ambiguous = true if (time_parts.first.length == 1 and hours > 0) or (hours >= 10 and hours <= 12) or (@options[:hours24] == false and hours > 0)
      hours = 0 if hours == 12 and ambiguous
  end

  hours *= 60 * 60
  minutes = 0
  seconds = 0
  subseconds = 0

  minutes = time_parts[1].to_i * 60 if time_parts.count > 1
  seconds = time_parts[2].to_i if time_parts.count > 2
  subseconds = time_parts[3].to_f / (10 ** time_parts[3].length) if time_parts.count > 3

  @type = Tick.new(hours + minutes + seconds + subseconds, ambiguous)
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 69

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 122

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 134

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

#width ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_time.rb', line 130

def width
  1
end