Method: Unitsml::Utility.prefixes

Defined in:

lib/unitsml/utility.rb

.prefixes(units, options) ⇒ Object

# File 'lib/unitsml/utility.rb', line 227

def prefixes(units, options)
  uniq_prefixes = units.map { |unit| unit.prefix }.compact.uniq { |d| d.prefix_name }
  uniq_prefixes.map do |prefix|
    prefix_attrs = { prefix_base: prefix&.base, prefix_power: prefix&.power, id: prefix&.id }
    type_and_methods = { ASCII: :to_asciimath, unicode: :to_unicode, LaTeX: :to_latex, HTML: :to_html }
    prefix_attrs[:name] = Model::Prefixes::Name.new(content: prefix&.name)
    prefix_attrs[:symbol] = type_and_methods.map do |type, method_name|
      Model::Prefixes::Symbol.new(
        type: type,
        content: prefix&.public_send(method_name, options),
      )
    end
    Model::Prefix.new(prefix_attrs).to_xml.gsub("&", "&")
  end.join("\n")
end