BASIC : Add tools::make_ref and simplify SvRef usage

Change-Id: I8fe846dbd353bace05a8732a9b961f3507d97ef8
Reviewed-on: https://gerrit.libreoffice.org/22587
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/include/tools/ref.hxx b/include/tools/ref.hxx
index a16125433dda..f9c2c384c37e 100644
--- a/include/tools/ref.hxx
+++ b/include/tools/ref.hxx
@@ -22,6 +22,7 @@
 #include <sal/config.h>
 #include <cassert>
 #include <tools/toolsdllapi.h>
+#include <utility>
 
 /**
    This implements similar functionality to boost::intrusive_ptr
@@ -32,7 +33,13 @@ namespace tools {
 /** T must be a class that extends SvRefBase */
 template<typename T> class SAL_DLLPUBLIC_RTTI SvRef {
 public:
-    SvRef(): pObj(0) {}
+    SvRef(): pObj(nullptr) {}
+
+    SvRef(SvRef&& rObj)
+    {
+        pObj = rObj.pObj;
+        rObj.pObj = nullptr;
+    }
 
     SvRef(SvRef const & rObj): pObj(rObj.pObj)
     {
@@ -87,6 +94,15 @@ protected:
     T * pObj;
 };
 
+/**
+ * This implements similar functionality to std::make_shared.
+ */
+template<typename T, typename... Args>
+SvRef<T> make_ref(Args&& ... args)
+{
+    return SvRef<T>(new T(std::forward<Args>(args)...));
+}
+
 }
 
 /** Classes that want to be referenced-counted via SvRef<T>, should extend this base class */