Class: Embulk::Guess::TimeFormatGuess::GuessMatch

Inherits:
Object
  • Object
show all
Defined in:
lib/embulk/guess/time_format_guess.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(delimiters, parts, part_options) ⇒ GuessMatch

Returns a new instance of GuessMatch.



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# File 'lib/embulk/guess/time_format_guess.rb', line 22

def initialize(delimiters, parts, part_options)
  @delimiters = delimiters
  @parts = parts
  @part_options = part_options
end

Instance Attribute Details

#part_options ⇒ Object (readonly)

Returns the value of attribute part_options.



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# File 'lib/embulk/guess/time_format_guess.rb', line 125

def part_options
  @part_options
end

Instance Method Details

#format ⇒ Object 



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# File 'lib/embulk/guess/time_format_guess.rb', line 28

def format
  format = ''
  @parts.size.times do |i|
    format << @delimiters[i-1] if i != 0
    option = @part_options[i]

    case @parts[i]
    when :year
      format << '%Y'

    when :month
      case option
      when :zero
        format << '%m'
      when :blank
        #format << '%_m'  # not supported
        format << '%m'
      when :none
        #format << '%-m'  # not supported
        format << '%m'
      else
        format << '%m'
      end

    when :day
      case option
      when :zero
        format << '%d'
      when :blank
        format << '%e'
      when :none
        format << '%d'  # not supported
      else
        format << '%d'
      end

    when :hour
      case option
      when :zero
        format << '%H'
      when :blank
        format << '%k'
      when :none
        format << '%k'  # not supported
      else
        format << '%H'
      end

    when :minute
      # heading options are not supported
      format << '%M'

    when :second
      # heading options are not supported
      format << '%S'

    when :frac
      if option <= 3
        format << '%L'
      #elsif option <= 6
      #  format << '%6N'
      #elsif option <= 6
      #  format << '%6N'
      #elsif option <= 9
      #  format << '%9N'
      #elsif option <= 12
      #  format << '%12N'
      #elsif option <= 15
      #  format << '%15N'
      #elsif option <= 18
      #  format << '%18N'
      #elsif option <= 21
      #  format << '%21N'
      #elsif option <= 24
      #  format << '%24N'
      else
        format << '%N'
      end

    when :zone_off
      format << '%z'

    when :zone_abb
      format << '%Z'

    else
      raise "Unknown part: #{@parts[i]}"
    end
  end

  return format
end

#merge!(another_in_group) ⇒ Object 



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# File 'lib/embulk/guess/time_format_guess.rb', line 127

def merge!(another_in_group)
  part_options = another_in_group.part_options
  @part_options.size.times do |i|
    @part_options[i] ||= part_options[i]
    if @part_options[i] == nil
      part_options[i]
    elsif part_options[i] == nil
      @part_options[i]
    else
      [@part_options[i], part_options[i]].sort.last
    end
  end
end

#mergeable_group ⇒ Object 



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# File 'lib/embulk/guess/time_format_guess.rb', line 121

def mergeable_group
  [@delimiters, @parts]
end