auto read for scalar types; updates #216'

ess-dmsc · May 7, 2018 · c8117c6 · c8117c6
1 parent 4f37dbf
commit c8117c6
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diff --git a/src/h5cpp/attribute/attribute.hpp b/src/h5cpp/attribute/attribute.hpp
@@ -196,6 +196,14 @@ class DLL_EXPORT Attribute
     void write(const T& data,const datatype::Datatype &mem_type) const;
     void write(const char *data,const datatype::Datatype &mem_type) const;
 
+    template<typename T>
+    T read() const
+    {
+      T ret;
+      read(ret);
+      return ret;
+    }
+
     template<typename T>
     void read(T &data) const;
 

diff --git a/test/attribute/attribute_test.cpp b/test/attribute/attribute_test.cpp
@@ -120,6 +120,18 @@ TEST_F(Attribute,test_create_from_vector)
   EXPECT_EQ(buffer,data);
 }
 
+TEST_F(Attribute, read_auto)
+{
+  auto a = root_.attributes.create_from("test",float(23.4));
+  auto ret = a.read<float>();
+  EXPECT_EQ(ret, 23.4f);
+
+//  using AttributeData = std::vector<double>;
+//  AttributeData data{1,2,3,4,5};
+//  auto b = root_.attributes.create_from("test2",data);
+//  auto ret_b = b.read<AttributeData>();
+//  EXPECT_EQ(ret_b, data);
+}