Reimplement C++11 support to be header-only

This way, the same build of the runtime libraries can be used in both
C++98 and C++11 modes. This is important for when runtimes are installed
or packaged.

1 files changed, 80 insertions, 0 deletions

diff --git a/odb/details/unique-ptr.hxx b/odb/details/unique-ptr.hxx
new file mode 100644
index 0000000..ab08d51
--- /dev/null
+++ b/odb/details/unique-ptr.hxx
@@ -0,0 +1,80 @@
+// file      : odb/details/unique-ptr.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_DETAILS_UNIQUE_PTR_HXX
+#define ODB_DETAILS_UNIQUE_PTR_HXX
+
+#include <odb/pre.hxx>
+
+namespace odb
+{
+  namespace details
+  {
+    template <typename T>
+    class unique_ptr
+    {
+    public:
+      typedef T element_type;
+
+      explicit unique_ptr (T* p = 0): p_ (p) {}
+      ~unique_ptr () {delete p_;}
+
+    private:
+      unique_ptr (const unique_ptr&);
+      unique_ptr& operator= (const unique_ptr&);
+
+    public:
+      T*
+      operator-> () const {return p_;}
+
+      T&
+      operator* () const {return *p_;}
+
+      typedef T* unique_ptr::*unspecified_bool_type;
+      operator unspecified_bool_type () const
+      {
+        return p_ != 0 ? &unique_ptr::p_ : 0;
+      }
+
+      T*
+      get () const {return p_;}
+
+      void
+      reset (T* p = 0)
+      {
+        delete p_;
+        p_ = p;
+      }
+
+      T*
+      release ()
+      {
+        T* r (p_);
+        p_ = 0;
+        return r;
+      }
+
+    private:
+      T* p_;
+    };
+
+    template <typename T1, typename T2>
+    inline bool
+    operator== (const unique_ptr<T1>& a, const unique_ptr<T2>& b)
+    {
+      return a.get () == b.get ();
+    }
+
+    template <typename T1, typename T2>
+    inline bool
+    operator!= (const unique_ptr<T1>& a, const unique_ptr<T2>& b)
+    {
+      return a.get () != b.get ();
+    }
+  }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_DETAILS_UNIQUE_PTR_HXX