Class: Unitsml::Number

Inherits:
Object
  • Object
show all
Includes:
FencedNumeric, MathmlHelper
Defined in:
lib/unitsml/number.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from MathmlHelper

coerce_mml_v4_collection_attributes!, coerce_mml_v4_collection_value, mml_v4_class_for, mml_v4_content_attribute, mml_v4_context, mml_v4_from_xml, mml_v4_new, mml_v4_with_content

Methods included from FencedNumeric

#to_f, #to_i

Constructor Details

#initialize(value) ⇒ Number

Returns a new instance of Number.



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# File 'lib/unitsml/number.rb', line 11

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object Also known as: raw_value

Returns the value of attribute value.



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# File 'lib/unitsml/number.rb', line 8

def value
  @value
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 15

def ==(other)
  self.class == other.class &&
    value == other&.value
end

#float_to_display ⇒ Object 



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

def float_to_display
  return "" if value.nil?

  value.to_f.round(1).to_s.sub(/\.0$/, "")
end

#negative? ⇒ Boolean

Returns:

  • (Boolean) 


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

def negative?
  value.start_with?("-")
end

#to_asciimath(_options) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 35

def to_asciimath(_options)
  value
end

#to_html(_options) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 27

def to_html(_options)
  value.sub("-", "−")
end

#to_latex(_options) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 31

def to_latex(_options)
  value
end

#to_mathml(_options) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 20

def to_mathml(_options)
  matched_value = value&.match(/-?(.+)/)
  mn_value = matched_value ? matched_value[1] : value
  mn_tag = mml_v4_new(:mn, value: mn_value)
  value.start_with?("-") ? mrow_hash(mn_tag) : mn_hash(mn_tag)
end

#to_unicode(_options) ⇒ Object 



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# File 'lib/unitsml/number.rb', line 39

def to_unicode(_options)
  value
end

#update_negative_sign ⇒ Object 



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

def update_negative_sign
  self.value = if negative?
                 value.delete_prefix("-")
               else
                 ["-", value].join
               end
end