Add value_traits specialization for std::string

The default implementation uses istream::operator>> which ignores
spaces.

1 files changed, 16 insertions, 0 deletions

diff --git a/xml/value-traits b/xml/value-traits
index 3bf10e0..0c79229 100644
--- a/xml/value-traits
+++ b/xml/value-traits
@@ -39,6 +39,22 @@ namespace xml
     }
   };
 
+  template <>
+  struct LIBSTUDXML_EXPORT default_value_traits<std::string>
+  {
+    static std::string
+    parse (std::string s, const parser&)
+    {
+      return s;
+    }
+
+    static std::string
+    serialize (const std::string& v, const serializer&)
+    {
+      return v;
+    }
+  };
+
   template <typename T>
   struct value_traits: default_value_traits<T> {};