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 4

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?  and @time_value.nil? and @date_value.nil? and @tz_value.nil?

    value = nil
    if ['time', 'ins', 'del'].include? element.name and not element.attribute('datetime').nil?
      value = element.attribute('datetime').value.strip
    elsif element.name == 'abbr' and not element.attribute('title').nil?
      value = element.attribute('title').value.strip
    elsif (element.name == 'data' or element.name == 'input') and not element.attribute('value').nil?
      value = element.attribute('value').value.strip
    else
      value = element.text.strip
    end

    parse_dt(value)

  end

  if not @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
  begin
    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 = $1 if @date_value.nil?
      @time_value = $2 if @time_value.nil?
      @tz_value = $4.gsub(/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 = $1 if @date_value.nil?
      @time_value = $2 if @time_value.nil?
      if normalize
        @tz_value = $4.gsub(/z/, 'Z').gsub(/:/,'') if @tz_value.nil?
      else
        @tz_value = $4.gsub(/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 = $1 if @date_value.nil?
      @time_value = $2 if @time_value.nil?
      @tz_value = $4.gsub(/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 = $1 if @date_value.nil?
      @time_value = $2 if @time_value.nil?
      if normalize
        @tz_value = $4.gsub(/z/, 'Z').gsub(/:/,'') if @tz_value.nil?
      else
        @tz_value = $4.gsub(/z/, 'Z') if @tz_value.nil?
      end

    when /^(\d{4})-([01]?\d)-([0-3]?\d)$/
      @date_value = DateTime.new($1.to_i, $2.to_i, $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 = $1.gsub(/z/, 'Z').gsub(/:/,'') if @tz_value.nil?
      else
        @tz_value = $1.gsub(/z/, 'Z') if @tz_value.nil?
      end

    when /^([0-2]\d:[0-5]\d(:[0-5]\d)?)([zZ]|[-+][01]\d:?\d\d)?$/
      @time_value = $1 if @time_value.nil?
      if normalize
        @tz_value = $3.gsub(/z/, 'Z').gsub(/:/,'') if @tz_value.nil?
      else
        @tz_value = $3.gsub(/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 = $1 if @time_value.nil?
      @tz_value = $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 = $1 if @time_value.nil?
      @tz_value = $2 if @tz_value.nil?

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

end

#parse_element(element) ⇒ Object 



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# File 'lib/microformats/time_property_parser.rb', line 53

def parse_element(element)

  if @duration_value.nil? or (@time_value.nil? and @date_value.nil? and @tz_value.nil?)
    if value_title_classes(element).length >= 1
      value =  element.attribute('title').value.strip
    elsif value_classes(element).length >= 1
      if element.name == 'img' or element.name == 'area' and not element.attribute('alt').nil?
        value = element.attribute('alt').value.strip
      elsif element.name == 'data' and not element.attribute('value').nil?
        value = element.attribute('value').value.strip
      elsif element.name == 'abbr' and not element.attribute('title').nil?
        value = element.attribute('title').value.strip
      elsif ['time', 'ins', 'del'].include? element.name and not element.attribute('datetime').nil?
        value = element.attribute('datetime').value.strip
      else
        value = 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.length == 0 and format_classes(element).length == 0
      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 49

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