Class: Plurimath::Math::Function::Frac

Inherits:
BinaryFunction show all
Defined in:
lib/plurimath/math/function/frac.rb

Constant Summary collapse

FUNCTION = 
{
  name: "fraction",
  first_value: "numerator",
  second_value: "denominator",
}.freeze

Constants inherited from Core

Core::REPLACABLES

Instance Attribute Summary collapse

Attributes inherited from BinaryFunction

#hide_function_name, #parameter_one, #parameter_two

Instance Method Summary collapse

Methods inherited from BinaryFunction

#all_values_exist?, #any_value_exist?, #to_asciimath_math_zone, #to_html, #to_latex_math_zone, #to_mathml_math_zone, #to_omml_math_zone, #to_unicodemath_math_zone

Methods inherited from Core

#ascii_fields_to_print, #class_name, #cloned_objects, #common_math_zone_conversion, #dump_mathml, #dump_nodes, #dump_omml, #dump_ox_nodes, #empty_tag, #extract_class_name_from_text, #extractable?, #filtered_values, #font_style_t_tag, #get, #gsub_spacing, #insert_t_tag, #invert_unicode_symbols, #is_binary_function?, #is_nary_function?, #is_nary_symbol?, #is_ternary_function?, #is_unary?, #latex_fields_to_print, #linebreak, #mathml_fields_to_print, #mini_sized?, #nary_attr_value, #nary_intent_name, #omml_fields_to_print, #omml_nodes, #omml_parameter, #omml_tag_name, #ox_element, #prime_unicode?, #r_element, #replacable_values, #result, #separate_table, #set, #tag_name, #unicodemath_fields_to_print, #unicodemath_parens, #updated_object_values, #validate_function_formula, #validate_mathml_fields, #variable_value, #variables

Constructor Details

#initialize(parameter_one = nil, parameter_two = nil, options = {}) ⇒ Frac

Returns a new instance of Frac.



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# File 'lib/plurimath/math/function/frac.rb', line 16

def initialize(parameter_one = nil,
               parameter_two = nil,
               options = {})
  super(parameter_one, parameter_two)
  @options = options if options && !options&.empty?
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/plurimath/math/function/frac.rb', line 9

def options
  @options
end

Instance Method Details

#==(object) ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 23

def ==(object)
  super(object) &&
    object.options == options
end

#choose_frac ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 95

def choose_frac
  first_value = unicodemath_parens(parameter_one) if parameter_one
  second_value = unicodemath_parens(parameter_two) if parameter_two
  "#{first_value}⒞#{second_value}"
end

#line_breaking(obj) ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 77

def line_breaking(obj)
  parameter_one&.line_breaking(obj)
  if obj.value_exist?
    frac = self.class.new(Utility.filter_values(obj.value), parameter_two)
    frac.hide_function_name = true
    obj.update(frac)
    self.parameter_two = nil
    return
  end

  parameter_two&.line_breaking(obj)
  if obj.value_exist?
    frac = self.class.new(nil, Utility.filter_values(obj.value))
    frac.hide_function_name = true
    obj.update(frac)
  end
end

#to_asciimath ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 28

def to_asciimath
  first_value = "(#{parameter_one&.to_asciimath})" if parameter_one
  second_value = "(#{parameter_two&.to_asciimath})" if parameter_two
  "frac#{first_value}#{second_value}"
end

#to_latex ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 47

def to_latex
  first_value = parameter_one&.to_latex
  two_value = parameter_two&.to_latex
  "\\frac{#{first_value}}{#{two_value}}"
end

#to_mathml_without_math_tag(intent) ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 34

def to_mathml_without_math_tag(intent)
  tag_name = hide_function_name ? "mrow" : "mfrac"
  mathml_value = [
    parameter_one&.to_mathml_without_math_tag(intent),
    parameter_two&.to_mathml_without_math_tag(intent),
  ]
  frac_tag = ox_element(tag_name)
  frac_tag.set_attr(options.reject { |opt| opt == :choose }) if tag_name == "mfrac" && options
  Utility.update_nodes(frac_tag, mathml_value)
  update_derivative(frac_tag, mathml_value[0], mathml_value[1]) if intent
  intentify(frac_tag, intent, func_name: :frac)
end

#to_omml_without_math_tag(display_style) ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 53

def to_omml_without_math_tag(display_style)
  f_element   = Utility.ox_element("f", namespace: "m")
  Utility.update_nodes(
    f_element,
    [
      fpr_element,
      omml_parameter(parameter_one, display_style, tag_name: "num"),
      omml_parameter(parameter_two, display_style, tag_name: "den"),
    ],
  )
end

#to_unicodemath ⇒ Object 



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# File 'lib/plurimath/math/function/frac.rb', line 65

def to_unicodemath
  return unicodemath_fraction if options&.dig(:unicodemath_fraction)

  first_value = unicodemath_parens(parameter_one) if parameter_one
  second_value = unicodemath_parens(parameter_two) if parameter_two
  return "#{first_value}/#{second_value}" unless options

  return "#{first_value}¦#{second_value}" if options && options.key?(:linethickness)
  return "#{parameter_one.to_unicodemath}⊘#{parameter_two.to_unicodemath}" if options && options.key?(:displaystyle)
  "#{first_value}∕#{second_value}" if options && options.key?(:ldiv)
end