#1465 Make the string and the variant cases work.

Sources/Test/Core/MoReFEMData/WriteLuaFile/InputData.hpp

@@ -14,6 +14,7 @@
 # include "Core/MoReFEMData/MoReFEMData.hpp"
 # include "Core/InputData/Instances/Reaction/ReactionCoefficient.hpp"
 # include "Core/InputData/Instances/Geometry/Mesh.hpp"
+# include "Core/InputData/Instances/Parameter/Source/ScalarTransientSource.hpp"
 # include "Core/InputData/Instances/Parameter/Source/VectorialTransientSource.hpp"
 
 
@@ -34,6 +35,7 @@ namespace MoReFEM
 
             InputDataNS::Mesh<5>,
 
+            InputDataNS::ScalarTransientSource<72>,
             InputDataNS::VectorialTransientSource<4>
         >;
 

Sources/Test/Core/MoReFEMData/WriteLuaFile/demo.lua

@@ -84,6 +84,7 @@ ReactionCoefficient = 1.
 
 TransientSource4 = {
 
+    -- #1468 nature = { "lua_function", "constant", "piecewise_constant_by_domain"},
     nature = { "lua_function", "constant", "constant"},
 
     value = {
@@ -92,6 +93,22 @@ TransientSource4 = {
         return 100. * math.exp(-((x - 0.5)^2 + (y - 0.5)^2)/(0.1^2));
         end
         ]],
-        0., 0. }
+        0.,
+    0. }
+        -- #1468 { [1] = 0., [3] = 14.5, [4] = -31.231 } }
 
 } -- TransientSource4
+
+
+TransientSource72 = {
+
+    nature = "lua_function",
+
+    value =
+        [[
+        function (x, y, z)
+        return 100. * math.exp(-((x - 0.5)^2 + (y - 0.5)^2)/(0.1^2));
+        end
+        ]],
+
+} -- TransientSource72

Sources/Utilities/InputData/Internal/ConvertEntryToString/ConvertEntryToString.hpp

@@ -15,6 +15,7 @@
 # include <variant>
 # include <vector>
 # include <map>
+# include <sstream>
 
 # include "Utilities/InputData/LuaFunction.hpp"
 # include "Utilities/Miscellaneous.hpp"

Sources/Utilities/InputData/Internal/ConvertEntryToString/ConvertEntryToString.hxx

@@ -21,11 +21,20 @@ namespace MoReFEM::Internal::InputDataNS
     {
         if constexpr(Utilities::IsSpecializationOf
                      <
-                     std::variant,
-                     T
+                        std::variant,
+                        T
                      >())
         {
-            return "Variant case!";
+            std::ostringstream oconv;
+
+            oconv << "\n[[\n"
+            << std::visit([](auto&& arg)
+                          {
+                              return ConvertEntryToString(arg);
+                          },
+                          entry)
+            << "\n]]";
+            return oconv.str();
         }
         else if constexpr (std::is_same<T, bool>())
         {
@@ -33,7 +42,9 @@ namespace MoReFEM::Internal::InputDataNS
         }
         else if constexpr (std::is_same<T, std::string>())
         {
-            return entry;
+            std::ostringstream oconv;
+            oconv << "'" << entry << "'";
+            return oconv.str();
         }
         else if constexpr (std::is_integral<T>())
         {