Class: OpeningHoursConverter::OpeningHoursParser

Inherits:
Object
  • Object
show all
Includes:
Constants
Defined in:
lib/opening_hours_converter/opening_hours_parser.rb

Constant Summary

Constants included from Constants

Constants::DAYS, Constants::DAYS_MAX, Constants::IRL_DAYS, Constants::IRL_MONTHS, Constants::MINUTES_MAX, Constants::MONTH_END_DAY, Constants::OSM_DAYS, Constants::OSM_MONTHS, Constants::PH_WEEKDAY, Constants::YEAR_DAYS_MAX

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OpeningHoursParser

Returns a new instance of OpeningHoursParser.



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 6

def initialize
  @RGX_RULE_MODIFIER = /^(open|closed|off)$/i
  @RGX_WEEK_KEY = /^week$/
  @RGX_WEEK_VAL = /^([01234]?[0-9]|5[0123])(\-([01234]?[0-9]|5[0123]))?(,([01234]?[0-9]|5[0123])(\-([01234]?[0-9]|5[0123]))?)*\:?$/
  @RGX_MONTH = /^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)(\-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec))?\:?$/
  @RGX_MONTHDAY = /^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ([012]?[0-9]|3[01])(\-((Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) )?([012]?[0-9]|3[01]))?\:?$/
  @RGX_TIME = /^((([01]?[0-9]|2[01234])\:[012345][0-9](\-([01]?[0-9]|2[01234])\:[012345][0-9])?(,([01]?[0-9]|2[01234])\:[012345][0-9](\-([01]?[0-9]|2[01234])\:[012345][0-9])?)*)|(24\/7))$/
  @RGX_WEEKDAY = /^(((Mo|Tu|We|Th|Fr|Sa|Su)(\-(Mo|Tu|We|Th|Fr|Sa|Su))?)|(PH))(,(((Mo|Tu|We|Th|Fr|Sa|Su)(\-(Mo|Tu|We|Th|Fr|Sa|Su))?)|(PH)))*$/
  @RGX_HOLIDAY = /^(PH|SH|easter)$/
  @RGX_WD = /^(Mo|Tu|We|Th|Fr|Sa|Su)(\-(Mo|Tu|We|Th|Fr|Sa|Su))?$/
  @RGX_YEAR = /^(\d{4})(\-(\d{4}))?$/
  @RGX_YEAR_PH = /^(\d{4})( PH|(\-(\d{4}) PH))\:?$/
  @RGX_YEAR_MONTH_DAY = /^(\d{4}) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ([012]?[0-9]|3[01])(\-((\d{4}) )?((Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) )?([012]?[0-9]|3[01]))?\:?$/
  @RGX_YEAR_MONTH = /^(\d{4}) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)(\-((\d{4}) )?((Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)))?\:?$/
  @RGX_COMMENT = /^\"[^\"]*\"$/
end

Instance Method Details

#add_interval(typical, weekdays, times) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 467

def add_interval(typical, weekdays, times)
  if typical.instance_of?(OpeningHoursConverter::Day)
    if weekdays[:from] != 0 || (weekdays[:to] !=0 && times[:from] <= times[:to])
      weekdays = weekdays.dup
      weekdays[:from] = 0
      if times[:from] <= times[:to]
        weekdays[:to] = 0
      else
        weekdays[:to] = 1
      end
    end
  end

  if weekdays[:from] <= weekdays[:to]
    for wd in weekdays[:from]..weekdays[:to]
      add_interval_wd(typical, times, wd)
    end
  else
    for wd in weekdays[:from]..6
      add_interval_wd(typical, times, wd)
    end
    for wd in 0..weekdays[:to]
      add_interval_wd(typical, times, wd)
    end
  end
end

#add_interval_wd(typical, times, wd) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 494

def add_interval_wd(typical, times, wd)
  if times[:to] >= times[:from]
    typical.add_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd, times[:to]))
  else
    if wd < 6
      typical.add_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd+1, times[:to]))
    else
      typical.add_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd+1, 24*60))
      typical.add_interval(OpeningHoursConverter::Interval.new(0, 0, 0, times[:to]))
    end
  end
end

#as_minutes(time) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 517

def as_minutes(time)
  values = time.split(':')
  values[0].to_i * 60 + values[1].to_i
end

#get_month(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 281

def get_month(wrs)
  single_month = wrs.gsub(/\:$/, '').split('-')
  month_from = OSM_MONTHS.find_index(single_month[0]) + 1
  if month_from < 1
    raise ArgumentError, "Invalid month : #{single_month[0]}"
  end

  if single_month.length > 1
    month_to = OSM_MONTHS.find_index(single_month[1]) + 1
    if month_to < 1
      raise ArgumentError, "Invalid month : #{single_month[1]}"
    end
  else
    month_to = month_from
  end
  { from: month_from, to: month_to}
end

#get_month_day(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 299

def get_month_day(wrs)
  single_month = wrs.gsub(/\:$/, '').split('-')

  month_from = single_month[0].split(' ')
  month_from = { day: month_from[1].to_i, month: OSM_MONTHS.find_index(month_from[0]) + 1 }
  if month_from[:month] < 1
    raise ArgumentError, "Invalid month : #{month_from.inspect}"
  end

  if single_month.length > 1
    month_to = single_month[1].split(' ')
    month_to = { day: month_to[1].to_i, month: OSM_MONTHS.find_index(month_to[0]) + 1 }
    if month_to[:month] < 1
      raise ArgumentError, "Invalid month : #{month_to.inspect}"
    end
  else
    month_to = nil
  end
  { from_day: month_from, to_day: month_to }
end

#get_times(time_selector) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 388

def get_times(time_selector)
  times = []
  from = nil
  to = nil
  if time_selector == "24/7"
    times << {from: 0, to: 24*60}
  else
    time_selector = time_selector.split(',')
    time_selector.each do |ts|
      single_time = ts.split('-')
      from = as_minutes(single_time[0])
      if single_time.length > 1
        to = as_minutes(single_time[1])
      else
        to = from
      end
      times << {from: from, to: to}
    end
  end
  times
end

#get_weekdays(weekday_selector) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 410

def get_weekdays(weekday_selector)
  holidays = []
  weekdays = []
  wd_from = nil
  wd_to = nil

  weekday_selector = weekday_selector.split(',')
  weekday_selector.each do |wd|
    if !(@RGX_HOLIDAY =~ wd).nil?
      holidays << wd
    elsif !(@RGX_WD =~ wd).nil?
      single_weekday = wd.split('-')

      wd_from = OSM_DAYS.find_index(single_weekday[0])
      if single_weekday.length > 1
        wd_to = OSM_DAYS.find_index(single_weekday[1])
      else
        wd_to = wd_from
      end

      weekdays << {from: wd_from, to: wd_to}
    else
      raise ArgumentError, "Invalid weekday interval : #{wd}"
    end
  end

  { weekdays: weekdays, holidays: holidays }
end

#get_year(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 263

def get_year(wrs)
  single_year = wrs.gsub(/\:$/, '').split('-')
  year_from = single_year[0].to_i
  if year_from < 1
    raise ArgumentError, "Invalid year : #{single_year[0]}"
  end

  if single_year.length > 1
    year_to = single_year[1].to_i
    if year_to < 1
      raise ArgumentError, "Invalid year : #{single_year[1]}"
    end
  else
    year_to = nil
  end
  { from: year_from, to: year_to }
end

#get_year_holiday(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 343

def get_year_holiday(wrs)
  single_year = wrs.gsub(/\:$/, '').split('-')
  if single_year.length == 1
    return { holiday: single_year[0].split(' ')[1], start: single_year[0].split(' ')[0] }
  elsif single_year.length == 2
    return { holiday: single_year[1].split(' ')[1], start: single_year[0], end: single_year[1].split(' ')[0] }
  else
    raise ArgumentError, "Invalid year_holiday : #{wrs.inspect}"
  end
end

#get_year_month(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 320

def get_year_month(wrs)
  single_year_month = wrs.gsub(/\:$/, '').split('-')
  year_month_from = single_year_month[0].split(' ')
  year_month_from = { month: OSM_MONTHS.find_index(year_month_from[1]) + 1, year: year_month_from[0].to_i }
  if year_month_from.length < 1
    raise ArgumentError, "Invalid year_month : #{year_month_from.inspect}"
  end
  if single_year_month.length > 1
    year_month_to = single_year_month[1].split(' ')
    if year_month_to.length == 2
      year_month_to = { month: OSM_MONTHS.find_index(year_month_to[1]) + 1, year: year_month_to[0].to_i }
    elsif year_month_to.length == 1
      year_month_to = { month: OSM_MONTHS.find_index(year_month_to[0]) + 1, year: year_month_from[:year] }
    end
    if year_month_to.length < 1
      raise ArgumentError, "Invalid year_month : #{year_month_to.inspect}"
    end
  else
    year_month_to = nil
  end
  { from_month: year_month_from, to_month: year_month_to }
end

#get_year_month_day(wrs) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 354

def get_year_month_day(wrs)
  single_year_month_day = wrs.gsub(/\:$/, '').split('-')
  year_month_day_from = single_year_month_day[0].split(' ')
  year_month_day_from = { day: year_month_day_from[2].to_i,
    month: OSM_MONTHS.find_index(year_month_day_from[1]) + 1,
    year: year_month_day_from[0].to_i }
  if year_month_day_from.length < 1
    raise ArgumentError, "Invalid year_month_day : #{year_month_day_from.inspect}"
  end
  if single_year_month_day.length > 1
    year_month_day_to = single_year_month_day[1].split(' ')
    if year_month_day_to.length == 3
      year_month_day_to = { day: year_month_day_to[2].to_i,
        month: OSM_MONTHS.find_index(year_month_day_to[1]) + 1,
        year: year_month_day_to[0].to_i }
    elsif year_month_day_to.length == 2
      year_month_day_to = { day: year_month_day_to[1].to_i,
        month: OSM_MONTHS.find_index(year_month_day_to[0]) + 1,
        year: year_month_day_from[:year] }
    elsif year_month_day_to.length == 1
      year_month_day_to = { day: year_month_day_to[0].to_i,
        month: year_month_day_from[:month],
        year: year_month_day_from[:year] }
    end
    if year_month_day_to.length < 1
      raise ArgumentError, "Invalid year_month_day : #{year_month_day_to.inspect}"
    end
  else
    year_month_day_to = nil
  end

  { from_day: year_month_day_from, to_day: year_month_day_to }
end

#is_comment?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 522

def is_comment?(token)
  !(@RGX_COMMENT =~ token).nil?
end

#is_holiday?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 525

def is_holiday?(token)
  !(@RGX_HOLIDAY =~ token).nil?
end

#is_rule_modifier?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 528

def is_rule_modifier?(token)
  !(@RGX_RULE_MODIFIER =~ token).nil?
end

#is_time?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 531

def is_time?(token)
  !(@RGX_TIME =~ token).nil?
end

#is_weekday?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 534

def is_weekday?(token)
  !(@RGX_WEEKDAY =~ token).nil?
end

#is_year?(token) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 537

def is_year?(token)
  !(@RGX_YEAR =~ token).nil?
end

#parse(oh) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 23

def parse(oh)
  result = []
  blocks = oh.split(';')

  comment = ""
  rule_modifier = nil
  time_selector = nil
  weekday_selector = nil
  wide_range_selector = nil
  month_selector = nil

  times = nil
  weekdays = nil
  weeks = nil
  months = nil
  years = nil

  date_ranges = nil
  date_range = nil
  dr_obj = nil
  res_dr_id = nil

  blocks.each do |block|
    block.strip!
    next if block.length == 0

    tokens = tokenize(block)
    current_token = tokens.length - 1

    # get comment
    if current_token >= 0 && is_comment?(tokens[current_token])
      comment = tokens[current_token]
      current_token -= 1
    end


    # get state
    if current_token >= 0 && is_rule_modifier?(tokens[current_token])
      rule_modifier = tokens[current_token].downcase
      current_token -= 1
    end

    times = []
    if current_token >= 0 && is_time?(tokens[current_token])
      time_selector = tokens[current_token]
      times = get_times(time_selector)
      current_token -= 1
    end

    # get weekdays selector
    weekdays = []
    holidays = []
    if time_selector == "24/7"
      weekdays << {from: 0, to: 6}
    elsif current_token >= 0 && is_weekday?(tokens[current_token]) && (@RGX_YEAR_PH =~ "#{tokens[current_token-1]} #{tokens[current_token]}").nil?
      weekday_selector = tokens[current_token]
      weekdays_and_holidays = get_weekdays(weekday_selector)
      weekdays = weekdays_and_holidays[:weekdays]
      holidays = weekdays_and_holidays[:holidays]
      current_token -= 1
    end

    months = []
    years = []
    if current_token >= 0
      wide_range_selector = tokens[0]
      for i in 1..current_token
        wide_range_selector += " #{tokens[i]}"
      end
      if wide_range_selector.length > 0
        wide_range_selector = wide_range_selector.strip
        wide_range_selector = wide_range_selector.split(',')
        wide_range_selector.each do |wrs|
          if !(@RGX_YEAR_MONTH_DAY =~ wrs).nil?
            years << get_year_month_day(wrs)
          elsif !(@RGX_YEAR_MONTH =~ wrs).nil?
            years << get_year_month(wrs)
          elsif !(@RGX_MONTHDAY =~ wrs).nil?
            months << get_month_day(wrs)
          elsif !(@RGX_YEAR_PH =~ wrs).nil?
            holidays << get_year_holiday(wrs)
          elsif !(@RGX_MONTH =~ wrs).nil?
            months << get_month(wrs)
          elsif !(@RGX_YEAR =~ wrs).nil?
            years << get_year(wrs)
          else
            raise ArgumentError, "Unsupported selector #{wrs}"
          end
        end
      end
    end

    if current_token == tokens.length - 1
      raise ArgumentError, "Unreadable string"
    end
    # puts "months : #{months}"
    # puts "weekdays : #{weekdays}"
    # puts "times : #{times}"
    # puts "years : #{years}"
    # puts "rule_modifier : #{rule_modifier}"
    date_ranges = []
    if months.length > 0
      months.each do |month|
        if !month[:from_day].nil?
          if !month[:to_day].nil?
            date_range = OpeningHoursConverter::WideInterval.new.day(month[:from_day][:day], month[:from_day][:month], month[:from_day][:year],
              month[:to_day][:day], month[:to_day][:month], month[:to_day][:year])
          else
            date_range = OpeningHoursConverter::WideInterval.new.day(month[:from_day][:day], month[:from_day][:month], month[:from_day][:year])
          end
          date_ranges << date_range
        else
          if !month[:to].nil?
            date_range = OpeningHoursConverter::WideInterval.new.month(month[:from], nil, month[:to])
          else
            date_range = OpeningHoursConverter::WideInterval.new.month(month[:from])
          end
          date_ranges << date_range
        end
      end
    elsif holidays.length > 0 && weekdays.length == 0
      holidays.each do |holiday|
        if holiday == "PH"
          date_ranges << WideInterval.new.holiday(holiday)
        elsif holiday[:holiday] == "PH"
          date_ranges << WideInterval.new.holiday(holiday[:holiday], holiday[:start], holiday[:end])
        end
      end
    elsif years.length > 0
      years.each do |year|
        if !year[:from_day].nil?
          if !year[:to_day].nil?
            date_range = OpeningHoursConverter::WideInterval.new.day(year[:from_day][:day], year[:from_day][:month], year[:from_day][:year],
              year[:to_day][:day], year[:to_day][:month], year[:to_day][:year])
          else
            date_range = OpeningHoursConverter::WideInterval.new.day(year[:from_day][:day], year[:from_day][:month], year[:from_day][:year])
          end
        elsif !year[:from_month].nil?
          if !year[:to_month].nil?
            date_range = OpeningHoursConverter::WideInterval.new.month(year[:from_month][:month], year[:from_month][:year],
              year[:to_month][:month], year[:to_month][:year])
          else
            date_range = OpeningHoursConverter::WideInterval.new.month(year[:from_month][:month], year[:from_month][:year])
          end
        elsif !year[:from].nil?
          if !year[:to].nil?
            date_range = OpeningHoursConverter::WideInterval.new.year(year[:from], year[:to])
          else
            date_range = OpeningHoursConverter::WideInterval.new.year(year[:from])
          end
        end
        date_ranges << date_range
      end
    else
      date_ranges << OpeningHoursConverter::WideInterval.new.always
    end

    if weekdays.length > 0 && holidays.length > 0
      weekdays << {from: -2, to: -2}
      holidays = []
    end
    if weekdays.length == 0
      weekdays << {from: 0, to: OSM_DAYS.length - 1}
    end
    if times.length == 0
      times << {from: 0, to: 24*60}
    end

    date_ranges.each do |dr|
      found_date_range = false
      res_dr_id = 0

      while res_dr_id < result.length && !found_date_range
        if result[res_dr_id].wide_interval.equals(dr) && result[res_dr_id].comment == comment
          found_date_range = true
        else
          res_dr_id += 1
        end
      end

      if found_date_range
        dr_obj = result[res_dr_id]
      else
        dr_obj = OpeningHoursConverter::DateRange.new(dr)
        if !comment.nil?
          dr_obj.add_comment(comment)
        end

        general = -1
        for res_dr_id in 0...result.length
          if result[res_dr_id].is_general_for?(OpeningHoursConverter::DateRange.new(dr))
            general = res_dr_id
          end
        end
        if general >= 0
          dr_obj.typical.copy_intervals(result[general].typical.intervals)
        end
        result << dr_obj
      end

      for wd_id in 0...weekdays.length
        if weekdays[wd_id][:from] <= weekdays[wd_id][:to]
          for wd_rm in weekdays[wd_id][:from]..weekdays[wd_id][:to]
            if dr_obj.defines_typical_week?
              dr_obj.typical.remove_intervals_during_day(wd_rm)
            else
              dr_obj.typical.clear_intervals
            end
          end
        else
          for wd_rm in weekdays[wd_id][:from]..6
            if dr_obj.defines_typical_week?
              dr_obj.typical.remove_intervals_during_day(wd_rm)
            else
              dr_obj.typical.clear_intervals
            end
          end
          for wd_rm in 0..weekdays[wd_id][:to]
            if dr_obj.defines_typical_week?
              dr_obj.typical.remove_intervals_during_day(wd_rm)
            else
              dr_obj.typical.clear_intervals
            end
          end
        end

        for t_id in 0...times.length
          if rule_modifier == "closed" || rule_modifier == "off"
            remove_interval(dr_obj.typical, weekdays[wd_id], times[t_id])
          else
            add_interval(dr_obj.typical, weekdays[wd_id], times[t_id])
          end
        end
      end
    end
  end

  return result
end

#remove_interval(typical, weekdays, times) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 439

def remove_interval(typical, weekdays, times)
  if weekdays[:from] <= weekdays[:to]
    for wd in weekdays[:from]..weekdays[:to]
      typical.remove_intervals_during_day(wd)
    end
  else
    for wd in weekdays[:from]..6
      typical.remove_intervals_during_day(wd)
    end
    for wd in 0..weekdays[:to]
      typical.remove_intervals_during_day(wd)
    end
  end
end

#remove_interval_wd(typical, times, wd) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 454

def remove_interval_wd(typical, times, wd)
  if times[:to] >= times[:from]
    typical.remove_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd, times[:to]))
  else
    if wd < 6
      typical.remove_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd+1, times[:to]))
    else
      typical.remove_interval(OpeningHoursConverter::Interval.new(wd, times[:from], wd+1, 24*60))
      typical.remove_interval(OpeningHoursConverter::Interval.new(0, 0, 0, times[:to]))
    end
  end
end

#tokenize(block) ⇒ Object 



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# File 'lib/opening_hours_converter/opening_hours_parser.rb', line 507

def tokenize(block)
  if block.split('"').length > 1
    comment = block.split('"')[1]
    tokens = block.split('"')[0].split(' ')
    tokens << "\"#{comment}\""
  else
    block.split(' ')
  end
end