1 files changed, 59 insertions, 0 deletions
diff --git a/oox/source/ole/vbahelper.cxx b/oox/source/ole/vbahelper.cxx
new file mode 100644
index 000000000..e5377568a
--- /dev/null
+++ b/oox/source/ole/vbahelper.cxx
@@ -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 .
+ */
+
+#include <oox/ole/vbahelper.hxx>
+#include <osl/diagnose.h>
+#include <o3tl/string_view.hxx>
+#include <oox/helper/binaryinputstream.hxx>
+
+namespace oox::ole {
+
+using namespace ::com::sun::star::uno;
+
+bool VbaHelper::readDirRecord( sal_uInt16& rnRecId, StreamDataSequence& rRecData, BinaryInputStream& rInStrm )
+{
+    // read the record header
+    sal_Int32 nRecSize;
+    rnRecId = rInStrm.readuInt16();
+    nRecSize = rInStrm.readInt32();
+    // for no obvious reason, PROJECTVERSION record contains size field of 4, but is 6 bytes long
+    if( rnRecId == VBA_ID_PROJECTVERSION )
+    {
+        OSL_ENSURE( nRecSize == 4, "VbaHelper::readDirRecord - unexpected record size for PROJECTVERSION" );
+        nRecSize = 6;
+    }
+    // read the record contents into the passed sequence
+    return !rInStrm.isEof() && (rInStrm.readData( rRecData, nRecSize ) == nRecSize);
+}
+
+bool VbaHelper::extractKeyValue( OUString& rKey, OUString& rValue, std::u16string_view rKeyValue )
+{
+    size_t nEqSignPos = rKeyValue.find( '=' );
+    if( nEqSignPos > 0 && nEqSignPos != std::u16string_view::npos )
+    {
+        rKey = o3tl::trim(rKeyValue.substr( 0, nEqSignPos ));
+        rValue = o3tl::trim(rKeyValue.substr( nEqSignPos + 1 ));
+        return !rKey.isEmpty() && !rValue.isEmpty();
+    }
+    return false;
+}
+
+} // namespace oox::ole
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */