Adapt to inventing package_name type

1 files changed, 65 insertions, 0 deletions

diff --git a/libbrep/common-traits.hxx b/libbrep/common-traits.hxx
new file mode 100644
index 0000000..b3c562e
--- /dev/null
+++ b/libbrep/common-traits.hxx
@@ -0,0 +1,65 @@
+// file      : libbrep/common-traits.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBBREP_COMMON_TRAITS_HXX
+#define LIBBREP_COMMON_TRAITS_HXX
+
+#include <string>
+#include <cstddef> // size_t
+#include <utility> // move()
+
+#include <odb/pgsql/traits.hxx>
+
+#include <libbpkg/package-name.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    template <>
+    class value_traits<bpkg::package_name, id_string>:
+      value_traits<std::string, id_string>
+    {
+    public:
+      using value_type = bpkg::package_name;
+      using query_type = bpkg::package_name;
+      using image_type = details::buffer;
+
+      using base_type = value_traits<std::string, id_string>;
+
+      static void
+      set_value (value_type& v,
+                 const details::buffer& b,
+                 std::size_t n,
+                 bool is_null)
+      {
+        std::string s;
+        base_type::set_value (s, b, n, is_null);
+        v = !s.empty () ? value_type (std::move (s)) : value_type ();
+      }
+
+      static void
+      set_image (details::buffer& b,
+                 std::size_t& n,
+                 bool& is_null,
+                 const value_type& v)
+      {
+        base_type::set_image (b, n, is_null, v.string ());
+      }
+    };
+
+    template <>
+    struct type_traits<bpkg::package_name>
+    {
+      static const database_type_id db_type_id = id_string;
+
+      struct conversion
+      {
+        static const char* to () {return "(?)::CITEXT";}
+      };
+    };
+  }
+}
+
+#endif // LIBBREP_COMMON_TRAITS_HXX