1 files changed, 59 insertions, 0 deletions
diff --git a/setup_native/source/win32/customactions/shellextensions/shlxtmsi.hxx b/setup_native/source/win32/customactions/shellextensions/shlxtmsi.hxx
new file mode 100644
index 000000000..3a08060be
--- /dev/null
+++ b/setup_native/source/win32/customactions/shellextensions/shlxtmsi.hxx
@@ -0,0 +1,59 @@
+/* -*- 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 INCLUDED_SETUP_NATIVE_SOURCE_WIN32_CUSTOMACTIONS_SHELLEXTENSIONS_SHLXTMSI_HXX
+#define INCLUDED_SETUP_NATIVE_SOURCE_WIN32_CUSTOMACTIONS_SHELLEXTENSIONS_SHLXTMSI_HXX
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <msiquery.h>
+
+#include <string>
+
+static inline std::wstring GetMsiPropertyW( MSIHANDLE handle, const std::wstring& sProperty )
+{
+    std::wstring   result;
+    WCHAR szDummy[1] = L"";
+    DWORD nChars = 0;
+
+    if ( MsiGetPropertyW( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
+    {
+        DWORD nBytes = ++nChars * sizeof(WCHAR);
+        PWSTR buffer = static_cast<PWSTR>(_alloca(nBytes));
+        ZeroMemory( buffer, nBytes );
+        MsiGetPropertyW( handle, sProperty.c_str(), buffer, &nChars );
+        result = buffer;
+    }
+
+    return  result;
+}
+
+static inline void SetMsiPropertyW( MSIHANDLE handle, const std::wstring& sProperty, const std::wstring& sValue )
+{
+    MsiSetPropertyW( handle, sProperty.c_str(), sValue.c_str() );
+}
+
+static inline void UnsetMsiPropertyW( MSIHANDLE handle, const std::wstring& sProperty )
+{
+    MsiSetPropertyW( handle, sProperty.c_str(), nullptr );
+}
+
+#endif // INCLUDED_SETUP_NATIVE_SOURCE_WIN32_CUSTOMACTIONS_SHELLEXTENSIONS_SHLXTMSI_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */