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_hash ⇒ Object 



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

def dim_hash
  Unitsdb.parsable_dimensions[dimension_name]
end

#dim_symbols ⇒ Object 



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

def dim_symbols
  dim_hash&.values&.last&.values&.first["dim_symbols"].first
end

#generate_id ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 68

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

#modelize(value) ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 81

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

#to_asciimath ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 50

def to_asciimath
  value = dim_symbols["ascii"]
  value = "#{value}^#{power_numerator}" if power_numerator
  value
end

#to_html ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 56

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 42

def to_latex
  value = dim_symbols["latex"]
  if power_numerator
    value = "#{value}^#{power_numerator}"
  end
  value
end

#to_mathml ⇒ Object 



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

def to_mathml
  value = dim_symbols["mathml"]
  value = Ox.parse(value)
  if power_numerator
    msup = Utility.ox_element("msup")
    msup << (Utility.ox_element("mrow") << value)
    msup << (
      Utility.ox_element("mrow") << (
        Utility.ox_element("mn") << power_numerator
      )
    )
    value = msup
  end
  value
end

#to_unicode ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 62

def to_unicode
  value = dim_symbols["unicode"]
  value = "#{value}^#{power_numerator}" if power_numerator
  value
end

#to_xml ⇒ Object 



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# File 'lib/unitsml/dimension.rb', line 72

def to_xml
  fields = dim_hash[:fields]
  symbol = fields.values.first["symbol"]
  power_numerator_value = power_numerator || 1
  attributes = { symbol: symbol, powerNumerator: power_numerator_value }
  element_name = modelize(fields.keys.first.capitalize)
  Utility.ox_element(element_name, attributes: attributes)
end