More elegant way for checking Spice_Netlist_Enabled value

eeschema/netlist_exporters/netlist_exporter_pspice.cpp

@@ -249,19 +249,8 @@ void NETLIST_EXPORTER_PSPICE::ProcessNetlist( unsigned aCtl )
 
             spiceItem.m_refName = comp->GetRef( &sheetList[sheet_idx] );
 
-            // Check to see if component should be removed from Spice Netlist:
+            // Check to see if component should be removed from Spice netlist
-            spiceItem.m_enabled = true;     // assume yes and then verify
+                spiceItem.m_enabled = fieldEnabled ? StringToBool( fieldEnabled->GetText() ) : true;
-
-            if( fieldEnabled )
-            {
-                wxString netlistEnabled = fieldEnabled->GetText();
-
-                // Different ways of saying 'disabled' (no/false/0)
-                if( netlistEnabled.CmpNoCase( "N" ) == 0
-                        || netlistEnabled.CmpNoCase( "F" ) == 0
-                        || netlistEnabled == "0" )
-                    spiceItem.m_enabled = false;
-            }
 
             wxArrayString pinNames;
 

eeschema/netlist_exporters/netlist_exporter_pspice.h

@@ -113,6 +113,17 @@ public:
         return m_directives;
     }
 
+    static bool StringToBool( const wxString& aStr )
+    {
+        if( aStr.IsEmpty() )
+            return false;
+
+        char c = tolower( aStr[0] );
+
+        // Different ways of saying false (no/false/0)
+        return !( c == 'n' || c == 'f' || c == '0' );
+    }
+
 protected:
     virtual void writeDirectives( OUTPUTFORMATTER* aFormatter, unsigned aCtl ) const;