Class: Unitsml::Dimension

Inherits:
Object
  • Object
show all
Defined in:
lib/unitsml/dimension.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dimension_name, power_numerator = nil) ⇒ Dimension

Returns a new instance of Dimension.



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# File 'lib/unitsml/dimension.rb', line 7

def initialize(dimension_name, power_numerator = nil)
  @dimension_name = dimension_name
  @power_numerator = power_numerator
end

Instance Attribute Details

#dimension_name ⇒ Object

Returns the value of attribute dimension_name.



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# File 'lib/unitsml/dimension.rb', line 5

def dimension_name
  @dimension_name
end

#power_numerator ⇒ Object

Returns the value of attribute power_numerator.



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# File 'lib/unitsml/dimension.rb', line 5

def power_numerator
  @power_numerator
end

Instance Method Details

#==(object) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 12

def ==(object)
  self.class == object.class &&
    dimension_name == object&.dimension_name &&
    power_numerator == object&.power_numerator
end

#dim_instance ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 18

def dim_instance
  @dim ||= Unitsdb.dimensions.find_parsables_by_id(dimension_name)
end

#dim_symbols ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 22

def dim_symbols
  dim_instance.send(@dim.processed_keys.last).dim_symbols.first
end

#generate_id ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 61

def generate_id
  "#{dimension_name.split('_').last}#{power_numerator}"
end

#modelize(value) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 77

def modelize(value)
  value&.split("_")&.map(&:capitalize)&.join
end

#to_asciimath(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 47

def to_asciimath(_)
  power_numerator_generic_code(:ascii)
end

#to_html(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 55

def to_html(_)
  value = dim_symbols.html
  value = "#{value}<sup>#{power_numerator}</sup>" if power_numerator
  value
end

#to_latex(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 43

def to_latex(_)
  power_numerator_generic_code(:latex)
end

#to_mathml(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 26

def to_mathml(_)
  # MathML key's value in unitsdb/dimensions.yaml file includes mi tags only.
  value = ::Mml::Mi.from_xml(dim_symbols.mathml)
  method_name = power_numerator ? :msup : :mi
  if power_numerator
    value = ::Mml::Msup.new(
      mrow_value: [
        ::Mml::Mrow.new(mi_value: [value]),
        ::Mml::Mrow.new(
          mn_value: [::Mml::Mn.new(value: power_numerator)],
        ),
      ]
    )
  end
  { method_name: method_name, value: value }
end

#to_unicode(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 51

def to_unicode(_)
  power_numerator_generic_code(:unicode)
end

#to_xml(_) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 65

def to_xml(_)
  attributes = {
    symbol: dim_instance.processed_symbol,
    power_numerator: power_numerator || 1,
  }
  Model::DimensionQuantities.const_get(modelize(element_name)).new(attributes)
end

#xml_instances_hash(options) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 73

def xml_instances_hash(options)
  { element_name => to_xml(options) }
end