lib/plurimath/math/function/frac.rb in plurimath-0.6.0 vs lib/plurimath/math/function/frac.rb in plurimath-0.7.0

@@ -17,20 +17,16 @@
           second_value = "(#{parameter_two&.to_asciimath})" if parameter_two
           "frac#{first_value}#{second_value}"
         end
 
         def to_mathml_without_math_tag
-          frac_tag     = Utility.ox_element("mfrac")
-          first_value  = parameter_one&.to_mathml_without_math_tag
-          second_value = parameter_two&.to_mathml_without_math_tag
-          Utility.update_nodes(
-            frac_tag,
-            [
-              first_value,
-              second_value,
-            ].flatten,
-          )
+          tag_name = hide_function_name ? "mfrac" : "mrow"
+          mathml_value = [
+            parameter_one&.to_mathml_without_math_tag,
+            parameter_two&.to_mathml_without_math_tag,
+          ]
+          Utility.update_nodes(ox_element("mfrac"), mathml_value)
         end
 
         def to_latex
           first_value = parameter_one&.to_latex
           two_value = parameter_two&.to_latex
@@ -39,18 +35,36 @@
 
         def to_omml_without_math_tag(display_style)
           f_element   = Utility.ox_element("f", namespace: "m")
           fpr_element = Utility.ox_element("fPr", namespace: "m")
           fpr_element << Utility.pr_element("ctrl", true, 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"),
-            ],
+          Array(
+            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"),
+              ],
+            ),
           )
-          [f_element]
+        end
+
+        def line_breaking(obj)
+          parameter_one&.line_breaking(obj)
+          if obj.value_exist?
+            obj.update(self.class.new(Utility.filter_values(obj.value), parameter_two))
+            self.parameter_two = nil
+            self.hide_function_name = true
+            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
       end
     end
   end
 end