1 files changed, 78 insertions, 0 deletions
diff --git a/include/comphelper/flagguard.hxx b/include/comphelper/flagguard.hxx
new file mode 100644
index 000000000000..af1f1ea1e4fd
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+++ b/include/comphelper/flagguard.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef COMPHELPER_FLAGGUARD_HXX
+#define COMPHELPER_FLAGGUARD_HXX
+
+#include "comphelper/scopeguard.hxx"
+
+//......................................................................................................................
+namespace comphelper
+{
+//......................................................................................................................
+
+    //==================================================================================================================
+    //= FlagRestorationGuard
+    //==================================================================================================================
+    class COMPHELPER_DLLPUBLIC FlagRestorationGuard : public ScopeGuard
+    {
+    public:
+        FlagRestorationGuard( bool& i_flagRef, bool i_temporaryValue, exc_handling i_excHandling = IGNORE_EXCEPTIONS )
+            :ScopeGuard( ::boost::bind( RestoreFlag, ::boost::ref( i_flagRef ), !!i_flagRef ), i_excHandling )
+        {
+            i_flagRef = i_temporaryValue;
+        }
+
+        ~FlagRestorationGuard();
+
+    private:
+        static void RestoreFlag( bool& i_flagRef, bool i_originalValue )
+        {
+            i_flagRef = i_originalValue;
+        }
+    };
+
+    //==================================================================================================================
+    //= FlagGuard
+    //==================================================================================================================
+    class COMPHELPER_DLLPUBLIC FlagGuard : public ScopeGuard
+    {
+    public:
+        explicit FlagGuard( bool& i_flagRef, exc_handling i_excHandling = IGNORE_EXCEPTIONS )
+            :ScopeGuard( ::boost::bind( ResetFlag, ::boost::ref( i_flagRef ) ), i_excHandling )
+        {
+            i_flagRef = true;
+        }
+
+        ~FlagGuard();
+
+    private:
+        static void ResetFlag( bool& i_flagRef )
+        {
+            i_flagRef = false;
+        }
+    };
+
+//......................................................................................................................
+} // namespace comphelper
+//......................................................................................................................
+
+#endif // COMPHELPER_FLAGGUARD_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */