lib/plurimath/math/function/tilde.rb in plurimath-0.3.9 vs lib/plurimath/math/function/tilde.rb in plurimath-0.4.1

@@ -1,28 +1,46 @@
 # frozen_string_literal: true
 
-require_relative "unary_function"
+require_relative "binary_function"
 
 module Plurimath
   module Math
     module Function
-      class Tilde < UnaryFunction
+      class Tilde < BinaryFunction
         def to_mathml_without_math_tag
           mover = Utility.ox_element("mover")
+          mover.attributes.merge!({ accent: parameter_two[:accent]}) if parameter_two
           first_value = (Utility.ox_element("mo") << "~")
           second_value = parameter_one.to_mathml_without_math_tag if parameter_one
           Utility.update_nodes(mover, [second_value, first_value])
         end
 
-        def to_omml_without_math_tag
+        def to_omml_without_math_tag(display_style)
+          return r_element("~", rpr_tag: false) unless all_values_exist?
+
+          if parameter_two && parameter_two[:accent]
+            acc_tag(display_style)
+          else
+            symbol = Symbol.new("~")
+            Overset.new(parameter_one, symbol).to_omml_without_math_tag(true)
+          end
+        end
+
+        def validate_function_formula
+          false
+        end
+
+        protected
+
+        def acc_tag(display_style)
           acc_tag    = Utility.ox_element("acc", namespace: "m")
           acc_pr_tag = Utility.ox_element("accPr", namespace: "m")
           acc_pr_tag << (Utility.ox_element("chr", namespace: "m", attributes: { "m:val": "˜" }))
           Utility.update_nodes(
             acc_tag,
             [
               acc_pr_tag,
-              omml_parameter(parameter_one, tag_name: "e"),
+              omml_parameter(parameter_one, display_style, tag_name: "e"),
             ],
           )
           [acc_tag]
         end
       end