!!Big bug!!

Berrysoft · Berrysoft · commit b294c3c45ac6 · 2018-06-05T22:54:14.000+08:00
diff --git a/src/Berrysoft.Console/Parser.cs b/src/Berrysoft.Console/Parser.cs
@@ -31,6 +31,10 @@ private SimpleConverter(Type targetType)
         }
         public object Convert(object value)
         {
+            if (value == null)
+            {
+                return null;
+            }
             return System.Convert.ChangeType(value, targetType);
         }
         public object ConvertBack(object value)
@@ -39,7 +43,7 @@ public object ConvertBack(object value)
             {
                 return array;
             }
-            return value.ToString();
+            return value?.ToString();
         }
         private static Dictionary<Type, ISimpleConverter> converters = new Dictionary<Type, ISimpleConverter>();
         public static ISimpleConverter Create(Type targetType)

Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,10 @@ private SimpleConverter(Type targetType)`
`31`	`31`	`}`
`32`	`32`	`public object Convert(object value)`
`33`	`33`	`{`
	`34`	`+ if (value == null)`
	`35`	`+ {`
	`36`	`+ return null;`
	`37`	`+ }`
`34`	`38`	`return System.Convert.ChangeType(value, targetType);`
`35`	`39`	`}`
`36`	`40`	`public object ConvertBack(object value)`
`@@ -39,7 +43,7 @@ public object ConvertBack(object value)`
`39`	`43`	`{`
`40`	`44`	`return array;`
`41`	`45`	`}`
`42`		`- return value.ToString();`
	`46`	`+ return value?.ToString();`
`43`	`47`	`}`
`44`	`48`	`private static Dictionary<Type, ISimpleConverter> converters = new Dictionary<Type, ISimpleConverter>();`
`45`	`49`	`public static ISimpleConverter Create(Type targetType)`