From a482f1c4dd4efab83d3b19309900f1cbf54383a5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 15 Oct 2013 07:01:17 +0200
Subject: Automatically map C++11 enum classes (strong enums)

---
 odb/context.cxx | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'odb/context.cxx')

diff --git a/odb/context.cxx b/odb/context.cxx
index 4db15a0..352cb51 100644
--- a/odb/context.cxx
+++ b/odb/context.cxx
@@ -1926,16 +1926,25 @@ database_type_impl (semantics::type& t,
                     bool id,
                     bool* null)
 {
-  type_map_type::const_iterator i (data_->type_map_.find (t, hint));
+  using semantics::enum_;
+
+  // By default map an enum as its underlying type.
+  //
+  if (enum_* e = dynamic_cast<enum_*> (&t))
+    return database_type_impl (
+      e->underlying_type (), e->underlying_type_hint (), id, null);
 
+  // Built-in type mapping.
+  //
+  type_map_type::const_iterator i (data_->type_map_.find (t, hint));
   if (i != data_->type_map_.end ())
   {
     if (null != 0)
       *null = i->second.null;
     return id ? i->second.id_type : i->second.type;
   }
-  else
-    return string ();
+
+  return string ();
 }
 
 static string
-- 
cgit v1.1