Method: Microformats::TimePropertyParser#parse_dt

Defined in:
lib/microformats/time_property_parser.rb

#parse_dt(data, normalize: false) ⇒ Object 



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# File 'lib/microformats/time_property_parser.rb', line 82

def parse_dt(data, normalize: false)
  # currently the value-class-pattern page lists to normalize  and remove :'s but not regular parsing, seems very odd
  # https://github.com/microformats/tests/issues/29
  #
  # TODO: this still allows a lot of non correct values such as 39th day of the month, etc
  case data.strip
  when /^P\d*W$/
    @duration_value = data if @duration_value.nil?

  when /^P(\d+Y)?(\d+M)?(\d+D)?(T(\d+H)?(\d+M)?(\d+S)?)?$/
    @duration_value = data if @duration_value.nil?

  when /^(\d{4}-[01]\d-[0-3]\d)[tT ]([0-2]\d:[0-5]\d(:[0-5]\d)?)?([zZ]|[-+][01]?\d:?[0-5]\d)?$/
    @date_value = Regexp.last_match(1) if @date_value.nil?
    @time_value = Regexp.last_match(2) if @time_value.nil?
    @tz_value = Regexp.last_match(4).tr('z', 'Z') if @tz_value.nil?

  when /^(\d{4}-[01]\d-[0-3]\d)[tT ]([0-2]\d:[0-5]\d(:[0-5]\d)?)( ?[-+]\d\d:?(\d\d)?)$/
    @date_value = Regexp.last_match(1) if @date_value.nil?
    @time_value = Regexp.last_match(2) if @time_value.nil?

    if normalize
      @tz_value = Regexp.last_match(4).tr('z', 'Z').delete(':') if @tz_value.nil?
    else
      @tz_value = Regexp.last_match(4).tr('z', 'Z') if @tz_value.nil?
    end

  when /^(\d{4}-[0-3]\d\d)[tT ]([0-2]\d:[0-5]\d(:[0-5]\d)?)?([zZ]|[-+][01]?\d:?[0-5]\d)?$/
    @date_value = Regexp.last_match(1) if @date_value.nil?
    @time_value = Regexp.last_match(2) if @time_value.nil?
    @tz_value = Regexp.last_match(4).tr('z', 'Z') if @tz_value.nil?

  when /^(\d{4}-[0-3]\d\d)[tT ]([0-2]\d:[0-5]\d(:[0-5]\d)?)( ?[-+]\d\d:?(\d\d)?)$/
    @date_value = Regexp.last_match(1) if @date_value.nil?
    @time_value = Regexp.last_match(2) if @time_value.nil?

    if normalize
      @tz_value = Regexp.last_match(4).tr('z', 'Z').delete(':') if @tz_value.nil?
    else
      @tz_value = Regexp.last_match(4).tr('z', 'Z') if @tz_value.nil?
    end

  when /^(\d{4})-([01]?\d)-([0-3]?\d)$/
    @date_value = DateTime.new(Regexp.last_match(1).to_i, Regexp.last_match(2).to_i, Regexp.last_match(3).to_i).strftime('%F') if @date_value.nil?

  when /^(\d{4})-([0-3]\d{2})$/
    @date_value = data if @date_value.nil?

  when /^(\d{4})-([01]?\d)$/
    @date_value = data if @date_value.nil?

  when /^([zZ]|[-+][01]?\d:?[0-5]\d)$/
    if normalize
      @tz_value = Regexp.last_match(1).tr('z', 'Z').delete(':') if @tz_value.nil?
    else
      @tz_value = Regexp.last_match(1).tr('z', 'Z') if @tz_value.nil?
    end

  when /^([0-2]\d:[0-5]\d(:[0-5]\d)?)([zZ]|[-+][01]\d:?\d\d)?$/
    @time_value = Regexp.last_match(1) if @time_value.nil?

    if normalize
      @tz_value = Regexp.last_match(3).tr('z', 'Z').delete(':') if @tz_value.nil?
    else
      @tz_value = Regexp.last_match(3).tr('z', 'Z') if @tz_value.nil?
    end

  when /^[0-2]\d:[0-5]\d[zZ]?$/
    @time_value = Time.parse(data).strftime('%H:%M') if @time_value.nil?
    @tz_value = 'Z'

  when /^([0-2]\d:[0-5]\d:[0-5]\d)([-+][01]\d:?[0-5]\d)$/
    Time.parse(data).strftime('%T') # to make sure this time doesn't throw an error

    @time_value = Regexp.last_match(1) if @time_value.nil?
    @tz_value = Regexp.last_match(2) if @tz_value.nil?

  when /^([0-2][0-0]:[0-5]\d)([-+][01]\d:?[0-5]\d)$/
    Time.parse(data).strftime('%H:%M') # to make sure this time doesn't throw an error

    @time_value = Regexp.last_match(1) if @time_value.nil?
    @tz_value = Regexp.last_match(2) if @tz_value.nil?

  when /^([01]?\d):?([0-5]\d)?p\.?m\.?$/i
    @time_value = (Regexp.last_match(1).to_i + 12).to_s + ':' + Regexp.last_match(2).to_s.rjust(2, '0') if @time_value.nil?

  when /^([01]?\d):?([0-5]\d)?a\.?m\.?$/i
    @time_value = Regexp.last_match(1).to_s.rjust(2, '0') + ':' + Regexp.last_match(2).to_s.rjust(2, '0') if @time_value.nil?

  when /^([01]?\d):([0-5]\d):([0-5]\d)?p\.?m\.?$/i
    @time_value = (Regexp.last_match(1).to_i + 12).to_s + ':' + Regexp.last_match(2).to_s.rjust(2, '0') + ':' + Regexp.last_match(3).to_s.rjust(2, '0') if @time_value.nil?

  when /^([01]?\d):([0-5]\d):([0-5]\d)?a\.?m\.?$/i
    @time_value = Regexp.last_match(1).to_s.rjust(2, '0') + ':' + Regexp.last_match(2).to_s.rjust(2, '0') + ':' + Regexp.last_match(3).to_s.rjust(2, '0') if @time_value.nil?

  else
    t = Time.parse(data)

    @time_value = t.strftime('%T') if @time_value.nil?
    @date_value = t.strftime('%F') if @date_value.nil?
  end
rescue
  nil
end