Class: Pubid::Itu::Scheme

Inherits:
Scheme
  • Object
show all
Defined in:
lib/pubid/itu/scheme.rb

Constant Summary collapse

ATTRIBUTE_MAPPINGS =

Attribute mappings define how parsed data maps to model attributes

{
  sector: :sector,
  series: :series,
  number: :number,
  subseries: :subseries,
  part: :part,
  supplement: :supplement,
  amendment: :amendment,
  annex: :annex,
  corrigendum: :corrigendum,
  addendum: :addendum,
  appendix: :appendix,
  date: :date,
  month: :month,
  year: :year,
  second_number: :second_number,
  range_series: :range_series,
  range_number: :range_number,
  sg_number: :sg_number,
}.freeze

Instance Attribute Summary

Attributes inherited from Scheme

#identifiers, #languages, #publishers, #stages, #supplement_identifiers, #types

Class Method Summary collapse

Methods inherited from Scheme

#all_identifier_classes, #all_typed_stages, #configure, #identifier_class_index, #initialize, #locate_identifier_klass_by_type_code, #locate_typed_stage_by_abbr, #locate_typed_stage_by_harmonized_code, #locate_typed_stage_by_stage_code, #supplement_typed_stages, #typed_stage_index, #typed_stages

Constructor Details

This class inherits a constructor from Pubid::Scheme

Class Method Details

.model_class ⇒ Object

Model class to use for rendering



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# File 'lib/pubid/itu/scheme.rb', line 31

def self.model_class
  Model
end

.roman_to_arabic(roman) ⇒ Object

Convert Roman numerals to Arabic numbers



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# File 'lib/pubid/itu/scheme.rb', line 148

def self.roman_to_arabic(roman)
  return roman unless roman.match?(/^[IVXLCDM]+$/i)

  roman_map = {
    "I" => 1, "V" => 5, "X" => 10, "L" => 50,
    "C" => 100, "D" => 500, "M" => 1000
  }

  roman = roman.upcase
  result = 0
  prev_value = 0

  roman.reverse.each_char do |char|
    value = roman_map[char]
    if value < prev_value
      result -= value
    else
      result += value
    end
    prev_value = value
  end

  result.to_s
end

.transform(parsed) ⇒ Object

Convert parsed data to model attributes



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# File 'lib/pubid/itu/scheme.rb', line 36

def self.transform(parsed)
  attributes = {}

  # Extract sector
  attributes[:sector] = parsed[:sector].to_s if parsed[:sector]

  # Determine content based on sector
  content = parsed[:t_content] || parsed[:r_content] || {}

  # Extract series and study group
  if content[:series].is_a?(Hash) && content[:series][:sg_number]
    # Study groups (questions)
    attributes[:series] = "SG#{content[:series][:sg_number]}"
  elsif content[:series]
    attributes[:series] = content[:series].to_s
  end

  # Extract numbering components
  if content[:numbering]
    numbering = content[:numbering]

    # Handle numbering as array (e.g., number + subseries)
    if numbering.is_a?(Array)
      numbering.each do |part|
        if part.is_a?(Hash)
          if part[:number]
            attributes[:number] = part[:number].to_s
          elsif part[:subseries]
            # Collect subseries parts
            if attributes[:subseries]
              attributes[:subseries] =
                "#{attributes[:subseries]}.#{part[:subseries]}"
            else
              attributes[:subseries] = part[:subseries].to_s
            end
          elsif part[:part]
            attributes[:part] = part[:part].to_s
          end
        end
      end
    elsif numbering.is_a?(Hash)
      # Handle numbering as hash
      attributes[:number] = numbering[:number].to_s if numbering[:number]
      if numbering[:subseries]
        attributes[:subseries] =
          numbering[:subseries].to_s
      end
      attributes[:part] = numbering[:part].to_s if numbering[:part]
    end
  end

  # Extract supplement/amendment/etc.
  if content[:supplement]
    attributes[:supplement] =
      content[:supplement].to_s
  end
  attributes[:amendment] = content[:amendment].to_s if content[:amendment]
  attributes[:annex] = content[:annex].to_s if content[:annex]
  if content[:corrigendum]
    attributes[:corrigendum] =
      content[:corrigendum].to_s
  end
  attributes[:addendum] = content[:addendum].to_s if content[:addendum]

  # Handle appendix (convert Roman numerals to Arabic)
  if content[:appendix]
    appendix = content[:appendix].to_s
    attributes[:appendix] = roman_to_arabic(appendix) || appendix
  end

  # Extract date
  if content[:date]
    date = content[:date]
    if date[:month] && date[:year]
      attributes[:month] = date[:month].to_s
      attributes[:year] = date[:year].to_s
    elsif date[:year]
      attributes[:year] = date[:year].to_s
    end
  end

  # Extract second number (for combined standards like G.780/Y.1351)
  if content[:second_number]
    second = content[:second_number]
    second_attrs = {}
    second_attrs[:series] = second[:series].to_s if second[:series]
    if second[:numbering]
      numbering = second[:numbering]
      if numbering[:number]
        second_attrs[:number] =
          numbering[:number].to_s
      end
      if numbering[:subseries]
        second_attrs[:subseries] = numbering[:subseries].to_s
      end
      second_attrs[:part] = numbering[:part].to_s if numbering[:part]
    end
    attributes[:second_number] = second_attrs unless second_attrs.empty?
  end

  # Extract range (for Q.400-Q.490 style)
  if content[:range_series] && content[:range_number]
    attributes[:range] = {
      series: content[:range_series].to_s,
      number: content[:range_number].to_s,
    }
  end

  attributes
end