From f1c2a621ac2695dfe4a3bc71dbc9ce3079008d2f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 4 Feb 2011 13:56:09 +0200
Subject: Add support for smart-ptr, unordered, and date_time (basic)

---
 odb/boost/smart-ptr/pointer-traits.hxx | 87 ++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 odb/boost/smart-ptr/pointer-traits.hxx

(limited to 'odb/boost/smart-ptr/pointer-traits.hxx')

diff --git a/odb/boost/smart-ptr/pointer-traits.hxx b/odb/boost/smart-ptr/pointer-traits.hxx
new file mode 100644
index 0000000..62a63a6
--- /dev/null
+++ b/odb/boost/smart-ptr/pointer-traits.hxx
@@ -0,0 +1,87 @@
+// file      : odb/boost/smart-ptr/pointer-traits.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_BOOST_SMART_PTR_POINTER_TRAITS_HXX
+#define ODB_BOOST_SMART_PTR_POINTER_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
+#include <odb/pointer-traits.hxx>
+
+namespace odb
+{
+  // Specialization for boost::shared_ptr.
+  //
+  template <typename T>
+  class pointer_traits< ::boost::shared_ptr<T> >
+  {
+  public:
+    static pointer_kind const kind = pk_shared;
+    static bool const lazy = false;
+
+    typedef T element_type;
+    typedef ::boost::shared_ptr<element_type> pointer_type;
+    typedef ::boost::shared_ptr<const element_type> const_pointer_type;
+    typedef smart_ptr_guard<pointer_type> guard;
+
+    static element_type*
+    get_ptr (const pointer_type& p)
+    {
+      return p.get ();
+    }
+
+    static element_type&
+    get_ref (const pointer_type& p)
+    {
+      return *p;
+    }
+
+    static bool
+    null_ptr (const pointer_type& p)
+    {
+      return !p;
+    }
+
+  public:
+    static void*
+    allocate (std::size_t n)
+    {
+      return operator new (n);
+    }
+
+    static void
+    free (void* p)
+    {
+      operator delete (p);
+    }
+  };
+
+  // Specialization for boost::weak_ptr.
+  //
+  template <typename T>
+  class pointer_traits< ::boost::weak_ptr<T> >
+  {
+  public:
+    static pointer_kind const kind = pk_weak;
+    static bool const lazy = false;
+
+    typedef T element_type;
+    typedef ::boost::weak_ptr<element_type> pointer_type;
+    typedef ::boost::shared_ptr<element_type> strong_pointer_type;
+
+    static strong_pointer_type
+    lock (const pointer_type& p)
+    {
+      return p.lock ();
+    }
+  };
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_BOOST_SMART_PTR_POINTER_TRAITS_HXX
-- 
cgit v1.1