1 files changed, 52 insertions, 0 deletions
diff --git a/include/svl/whiter.hxx b/include/svl/whiter.hxx
new file mode 100644
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+++ b/include/svl/whiter.hxx
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+/* -*- 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 <svl/svldllapi.h>
+#include <svl/whichranges.hxx>
+
+class SfxItemSet;
+class SfxPoolItem;
+enum class SfxItemState;
+
+/**
+ * Iterates over the which ids and the pool items arrays together (which are stored in parallel arrays).
+ * Primarily so that we can call GetItemSet on the SfxItemSet and pass in a hint, which avoids
+ * searching the array the SfxItemSet, which speeds up GetItemState greatly.
+ */
+class SVL_DLLPUBLIC SfxWhichIter
+{
+    const SfxItemSet& m_rItemSet;
+    const WhichPair* m_pCurrentWhichPair;
+    sal_uInt16 m_nOffsetFromStartOfCurrentWhichPair;
+    /// Offset into m_ppItems array in SfxItemSet
+    sal_uInt16 m_nItemsOffset;
+
+public:
+    SfxWhichIter(const SfxItemSet& rSet);
+
+    sal_uInt16 GetCurWhich() const;
+    sal_uInt16 NextWhich();
+    sal_uInt16 FirstWhich();
+    SfxItemState GetItemState(bool bSrchInParent = true,
+                              const SfxPoolItem** ppItem = nullptr) const;
+    void ClearItem();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */