array support

binary_archive/binary_archive.hpp

@@ -83,6 +83,20 @@ namespace cereal
     ar & t.value;
   }
 
+  template <class T>
+  typename std::enable_if<std::is_array<T>::value, void>::type
+  save(BinaryOutputArchive & ar, T const & array)
+  {
+    ar.save_binary(array, traits::sizeofArray<T>() * sizeof(typename std::remove_all_extents<T>::type));
+  }
+
+  template <class T>
+  typename std::enable_if<std::is_array<T>::value, void>::type
+  load(BinaryInputArchive & ar, T & array)
+  {
+    ar.load_binary(array, traits::sizeofArray<T>() * sizeof(typename std::remove_all_extents<T>::type));
+  }
+
   template <class Archive, class T>
   void serialize( Archive & ar, T * & t )
   {

details/traits.hpp

@@ -100,29 +100,10 @@ namespace cereal
       }
 
     // ######################################################################
-    constexpr std::false_type is_smart_ptr(...)
-    {
-      return {};
-    }
-
-    template <class T, class D>
-    constexpr std::true_type is_smart_ptr( std::unique_ptr<T, D> const & p )
-    {
-      return {};
-    }
-
     template <class T>
-    constexpr std::true_type is_smart_ptr( std::shared_ptr<T> const & p )
+    constexpr size_t sizeofArray( size_t rank = std::rank<T>::value )
     {
-      return {};
-    }
-
-    // ######################################################################
-    //! Returns true if the type T is a pointer or smart pointer (in std library)
-    template <class T>
-    constexpr bool is_any_pointer()
-    {
-      return std::is_pointer<T>() || std::is_same<std::true_type, decltype(is_smart_ptr( std::declval<T&>() ))>::value;
+      return rank == 0 ? 1 : std::extent<T>::value * sizeofArray<typename std::remove_extent<T>::type>( rank - 1 );
     }
   }
 }

test.cpp

@@ -154,8 +154,8 @@ int main()
     archive & xptr2;
     archive & wptr2;
     archive & uptr;
-
   }
+
   {
     std::ifstream is("ptr.txt");
     cereal::BinaryInputArchive archive(is);
@@ -176,7 +176,34 @@ int main()
     std::cout << uptr->a << std::endl;
   }
 
+  {
+    std::ofstream os("arr.txt");
+    cereal::BinaryOutputArchive archive(os);
+    int a1[] = {1, 2, 3};
+    int a2[][2] = {{4, 5}, {6, 7}};
+    archive & a1;
+    archive & a2;
+  }
 
+  {
+    std::ifstream is("arr.txt");
+    cereal::BinaryInputArchive archive(is);
+    int a1[3];
+    int a2[2][2];
+    archive & a1;
+    archive & a2;
+
+    for(auto i : a1)
+      std::cout << i << " ";
+    std::cout << std::endl;
+    for( auto const & i : a2 )
+    {
+      for( auto j : i )
+        std::cout << j << " ";
+      std::cout << std::endl;
+    }
+    std::cout << std::endl;
+  }
 
   return 0;
 }