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diff --git a/cosv/inc/cosv/str_types.hxx b/cosv/inc/cosv/str_types.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef COSV_STR_TYPES_HXX
+#define COSV_STR_TYPES_HXX
+
+
+namespace csv
+{
+
+/** Provides some generally used constants.
+*/
+struct str
+{
+  public:
+    typedef ::size_t    position;
+    typedef ::size_t    size;
+
+    enum constants
+    {
+        npos = position(-1),
+        maxsize = size(-1)
+    };
+
+    enum insert_mode
+    {
+        overwrite = 0,
+        insert = 1
+    };
+};
+
+
+/** Is used for string comparisons.
+
+    @collab String
+    @collab various csv::compare(...) functions
+*/
+class CharOrder_Table
+{
+  public:
+    /** @precond
+        Parameter i_pCharWeightsArray
+        must have size of 256.
+    */
+                        CharOrder_Table(
+                            const int *         i_pCharWeightsArray );
+
+    /** @return the weight of the char i_c.
+        @precond
+        Even with unusual implementations, where char has more than 8 bit,
+        there must be true: 0 <= i_c < 256.
+    */
+    int                 operator()(
+                            char                i_c ) const;
+  private:
+    int                 cWeights[256];
+};
+
+
+// IMPLEMENTATION
+
+inline int
+CharOrder_Table::operator()( char i_c ) const
+    { return cWeights[ UINT8(i_c) ]; }
+
+
+
+}   // namespace csv
+
+#endif