ENH: Update vtkTable::Dump() to handle vtkUnicodeStringArray columns.

Common/vtkVariant.cxx

@@ -646,6 +646,10 @@ vtkStdString vtkVariant::ToString() const
     {
     return vtkStdString(*(this->Data.String));
     }
+  if (this->IsUnicodeString())
+    {
+    return vtkUnicodeString(*(this->Data.UnicodeString)).utf8_str();
+    }
   if (this->IsFloat())
     {
     vtksys_ios::ostringstream ostr;

Filtering/vtkTable.cxx

@@ -28,13 +28,14 @@
 #include "vtkInformationVector.h"
 #include "vtkObjectFactory.h"
 #include "vtkStringArray.h"
+#include "vtkUnicodeStringArray.h"
 #include "vtkVariantArray.h"
 
 //
 // Standard functions
 //
 
-vtkCxxRevisionMacro(vtkTable, "1.22");
+vtkCxxRevisionMacro(vtkTable, "1.23");
 vtkStandardNewMacro(vtkTable);
 vtkCxxSetObjectMacro(vtkTable, RowData, vtkDataSetAttributes);
 
@@ -519,6 +520,24 @@ vtkVariant vtkTable::GetValueByName(vtkIdType row, const char* col)
       return v;
       }
     }
+  else if (vtkUnicodeStringArray::SafeDownCast(arr))
+    {
+    vtkUnicodeStringArray* data = vtkUnicodeStringArray::SafeDownCast(arr);
+    if (comps == 1)
+      {
+      return vtkVariant(data->GetValue(row));
+      }
+    else
+      {
+      // Create a variant holding a vtkStringArray with one tuple.
+      vtkUnicodeStringArray* sa = vtkUnicodeStringArray::New();
+      sa->SetNumberOfComponents(comps);
+      sa->InsertNextTuple(row, data);
+      vtkVariant v(sa);
+      sa->Delete();
+      return v;
+      }
+    }
   else if (vtkVariantArray::SafeDownCast(arr))
     {
     vtkVariantArray* data = vtkVariantArray::SafeDownCast(arr);