dba34a: added FlagGuard, a specialization of ScopeGuard

1 files changed, 16 insertions, 0 deletions

diff --git a/comphelper/inc/comphelper/scopeguard.hxx b/comphelper/inc/comphelper/scopeguard.hxx
index 4841a564ae61..1fdd179404a2 100644
--- a/comphelper/inc/comphelper/scopeguard.hxx
+++ b/comphelper/inc/comphelper/scopeguard.hxx
@@ -33,6 +33,7 @@
 #endif
 #include "boost/function.hpp"
 #include "boost/noncopyable.hpp"
+#include "boost/bind.hpp"
 
 namespace comphelper {
 
@@ -66,6 +67,21 @@ private:
     exc_handling const m_excHandling;
 };
 
+class COMPHELPER_DLLPUBLIC FlagGuard : ScopeGuard
+{
+public:
+    explicit FlagGuard( bool& i_flagRef, exc_handling i_excHandling = IGNORE_EXCEPTIONS )
+        :ScopeGuard( ::boost::bind( ResetFlag, ::boost::ref( i_flagRef ) ), i_excHandling )
+    {
+    }
+
+private:
+    static void ResetFlag( bool& i_flagRef )
+    {
+        i_flagRef = false;
+    }
+};
+
 } // namespace comphelper
 
 #endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX)