1 files changed, 80 insertions, 0 deletions
diff --git a/include/comphelper/makesequence.hxx b/include/comphelper/makesequence.hxx
new file mode 100644
index 000000000000..bc35657db9a8
--- /dev/null
+++ b/include/comphelper/makesequence.hxx
@@ -0,0 +1,80 @@
+/* -*- 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_MAKESEQUENCE_HXX_INCLUDED
+#define COMPHELPER_MAKESEQUENCE_HXX_INCLUDED
+
+#include "com/sun/star/uno/Sequence.hxx"
+#include "boost/preprocessor/cat.hpp"
+#include "boost/preprocessor/repetition.hpp"
+#include "boost/preprocessor/arithmetic/add.hpp"
+
+namespace comphelper {
+
+/** Creates a uno::Sequence out of one parameter.
+*/
+template <typename T>
+inline ::com::sun::star::uno::Sequence<T> makeSequence( T const& element )
+{
+    return ::com::sun::star::uno::Sequence<T>( &element, 1 );
+}
+
+#define COMPHELPER_MAKESEQUENCE_assign(z_, n_, unused_) \
+    p[n_] = BOOST_PP_CAT(element, n_);
+
+/** The following preprocessor repetitions generate functions like
+
+    <pre>
+        template <typename T>
+        inline ::com::sun::star::uno::Sequence<T> makeSequence(
+            T const& element0, T const& element1, ... );
+    </pre>
+
+    which make a sequence out of the passed elements.
+
+    The maximum number of elements can be set by defining
+    COMPHELPER_MAKESEQUENCE_MAX_ARGS; its default is 12.
+*/
+#define COMPHELPER_MAKESEQUENCE_make(z_, n_, unused_) \
+template <typename T> \
+inline ::com::sun::star::uno::Sequence<T> makeSequence( \
+    BOOST_PP_ENUM_PARAMS(n_, T const& element) ) \
+{ \
+    ::com::sun::star::uno::Sequence<T> seq( n_ ); \
+    T * p = seq.getArray(); \
+    BOOST_PP_REPEAT(n_, COMPHELPER_MAKESEQUENCE_assign, ~) \
+    return seq; \
+}
+
+#ifndef COMPHELPER_MAKESEQUENCE_MAX_ARGS
+#define COMPHELPER_MAKESEQUENCE_MAX_ARGS 12
+#endif
+
+BOOST_PP_REPEAT_FROM_TO(2, BOOST_PP_ADD(COMPHELPER_MAKESEQUENCE_MAX_ARGS, 1),
+                        COMPHELPER_MAKESEQUENCE_make, ~)
+
+#undef COMPHELPER_MAKESEQUENCE_MAX_ARGS
+#undef COMPHELPER_MAKESEQUENCE_make
+#undef COMPHELPER_MAKESEQUENCE_assign
+
+} // namespace comphelper
+
+#endif //  ! defined(COMPHELPER_MAKESEQUENCE_HXX_INCLUDED)
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */