better error message in check_type(), tell the types by name instead of by number

1 files changed, 3 insertions, 1 deletions

diff --git a/json/json_spirit_value.h b/json/json_spirit_value.h
index e8be355300..e9bcd36b80 100644
--- a/json/json_spirit_value.h
+++ b/json/json_spirit_value.h
@@ -24,6 +24,7 @@
 namespace json_spirit

 {

     enum Value_type{ obj_type, array_type, str_type, bool_type, int_type, real_type, null_type };

+    static const char* Value_type_name[]={"obj", "array", "str", "bool", "int", "real", "null"};

 

     template< class Config >    // Config determines whether the value uses std::string or std::wstring and

                                 // whether JSON Objects are represented as vectors or maps

@@ -341,7 +342,8 @@ namespace json_spirit
         {

             std::ostringstream os;

 

-            os << "value type is " << type() << " not " << vtype;

+            /// satoshi: tell the types by name instead of by number

+            os << "value is type " << Value_type_name[type()] << ", expected " << Value_type_name[vtype];

 

             throw std::runtime_error( os.str() );

         }