1 files changed, 44 insertions, 0 deletions
diff --git a/sc/source/filter/xml/cachedattraccess.hxx b/sc/source/filter/xml/cachedattraccess.hxx
new file mode 100644
index 000000000..1af7c8b6b
--- /dev/null
+++ b/sc/source/filter/xml/cachedattraccess.hxx
@@ -0,0 +1,44 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <sal/types.h>
+
+class ScDocument;
+
+/**
+ * Wrapper for accessing hidden and filtered row attributes.  It caches last
+ * accessed values for a current range, to avoid fetching values for every
+ * single row.
+ */
+class ScXMLCachedRowAttrAccess
+{
+    struct Cache
+    {
+        sal_Int32   mnTab;
+        sal_Int32   mnRow1;
+        sal_Int32   mnRow2;
+        bool        mbValue;
+        Cache();
+        bool hasCache(sal_Int32 nTab, sal_Int32 nRow) const;
+    };
+
+public:
+    explicit ScXMLCachedRowAttrAccess(ScDocument* pDoc);
+
+    bool rowHidden(sal_Int32 nTab, sal_Int32 nRow, sal_Int32& nEndRow);
+    bool rowFiltered(sal_Int32 nTab, sal_Int32 nRow, sal_Int32& nEndRow);
+private:
+    Cache maHidden;
+    Cache maFiltered;
+    ScDocument* mpDoc;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */