Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/connectivity/source/inc/TSkipDeletedSet.hxx b/connectivity/source/inc/TSkipDeletedSet.hxx
new file mode 100644
index 000000000..efe142af5
--- /dev/null
+++ b/connectivity/source/inc/TSkipDeletedSet.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 .
+ */
+#pragma once
+
+#include "TResultSetHelper.hxx"
+#include <vector>
+#include <connectivity/dbtoolsdllapi.hxx>
+
+namespace connectivity
+{
+    /**
+        the class OSkipDeletedSet supports a general method to skip deleted rows
+    */
+    class OOO_DLLPUBLIC_DBTOOLS OSkipDeletedSet
+    {
+        std::vector<sal_Int32>                m_aBookmarksPositions;// vector of iterators to position map, the order is the logical position
+        IResultSetHelper*                       m_pHelper;            // used for moving in the resultset
+        bool                                    m_bDeletedVisible;
+
+        bool    moveAbsolute(sal_Int32 _nOffset,bool _bRetrieveData);
+    public:
+        OSkipDeletedSet(IResultSetHelper* _pHelper);
+        ~OSkipDeletedSet();
+
+        /**
+            skipDeleted moves the resultset to the position defined by the parameters
+            it guarantees that the row isn't deleted
+                @param
+                    IResultSetHelper::Movement  _eCursorPosition        in which direction the resultset should be moved
+                    sal_Int32                   _nOffset                the position relative to the movement
+                    sal_Bool                    _bRetrieveData          is true when the current row should be filled which data
+                @return
+                    true when the movement was successful otherwise false
+        */
+        bool    skipDeleted(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, bool _bRetrieveData);
+        /**
+            clear the map and the vector used in this class
+        */
+        void        clear();
+        /**
+            getMappedPosition returns the mapped position of a logical position
+            @param
+                sal_Int32 _nBookmark    the logical position
+
+            @return the mapped position
+        */
+        sal_Int32   getMappedPosition(sal_Int32 _nBookmark) const;
+        /**
+            insertNewPosition adds a new position to the map
+            @param
+                sal_Int32 _nPos the logical position
+        */
+        void        insertNewPosition(sal_Int32 _nPos);
+        /**
+            deletePosition deletes this position from the map and decrement all following positions
+            @param
+                sal_Int32 _nPos the logical position
+        */
+        void        deletePosition(sal_Int32 _nPos);
+        void SetDeletedVisible(bool _bDeletedVisible) { m_bDeletedVisible = _bDeletedVisible; }
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */