Class: Microformats::TimePropertyParser

Inherits:
ParserCore
  • Object
show all
Defined in:
lib/microformats/time_property_parser.rb

Constant Summary

Constants inherited from ParserCore

ParserCore::FORMAT_CLASS_REG_EXP, ParserCore::PROPERTY_CLASS_REG_EXP, ParserCore::VALUE_CLASS_REG_EXP, ParserCore::VALUE_TITLE_CLASS_REG_EXP

Instance Method Summary collapse

Methods inherited from ParserCore

#initialize

Constructor Details

This class inherits a constructor from Microformats::ParserCore

Instance Method Details

#parse(element, base: nil, element_type:, format_class_array: [], backcompat: nil) ⇒ Object 



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# File 'lib/microformats/time_property_parser.rb', line 3

def parse(element, base: nil, element_type:, format_class_array: [], backcompat: nil)
  @base = base
  @duration_value = nil
  @date_value = nil
  @time_value = nil
  @tz_value = nil

  @property_type = element_type

  @fmt_classes = format_class_array
  @mode_backcompat = backcompat

  parse_value_class_pattern(element)

  if @duration_value.nil? && @time_value.nil? && @date_value.nil? && @tz_value.nil?
    value =
      if %w[time ins del].include?(element.name) && !element.attribute('datetime').nil?
        element.attribute('datetime').value.strip
      elsif element.name == 'abbr' && !element.attribute('title').nil?
        element.attribute('title').value.strip
      elsif (element.name == 'data' || element.name == 'input') && !element.attribute('value').nil?
        element.attribute('value').value.strip
      else
        element.text.strip
      end

    parse_dt(value)
  end

  if !@duration_value.nil?
    @duration_value
  else
    result = nil
    result = result.to_s + @date_value unless @date_value.nil?

    unless @time_value.nil?
      result = result.to_s + ' ' unless result.nil?
      result = result.to_s + @time_value
    end

    result = result.to_s + @tz_value unless @tz_value.nil?
    result
  end
end

#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

#parse_element(element) ⇒ Object 



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# File 'lib/microformats/time_property_parser.rb', line 52

def parse_element(element)
  if @duration_value.nil? || (@time_value.nil? && @date_value.nil? && @tz_value.nil?)
    if value_title_classes(element).length >= 1
      value = element.attribute('title').value.strip
    elsif value_classes(element).length >= 1
      value =
        if element.name == 'img' || element.name == 'area' && !element.attribute('alt').nil?
          element.attribute('alt').value.strip
        elsif element.name == 'data' && !element.attribute('value').nil?
          element.attribute('value').value.strip
        elsif element.name == 'abbr' && !element.attribute('title').nil?
          element.attribute('title').value.strip
        elsif %w[time ins del].include?(element.name) && !element.attribute('datetime').nil?
          element.attribute('datetime').value.strip
        else
          element.text.strip
        end
    end

    parse_dt(value, normalize: true)

    p_classes = property_classes(element)
    p_classes = backcompat_property_classes(element) if @mode_backcompat

    if p_classes.empty? && format_classes(element).empty?
      parse_node(element.children)
    end
  end
end

#parse_value_class_pattern(element) ⇒ Object 



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# File 'lib/microformats/time_property_parser.rb', line 48

def parse_value_class_pattern(element)
  parse_node(element.children)
end