1 files changed, 93 insertions, 0 deletions
diff --git a/svl/source/items/whiter.cxx b/svl/source/items/whiter.cxx
new file mode 100644
index 0000000000..13915415df
--- /dev/null
+++ b/svl/source/items/whiter.cxx
@@ -0,0 +1,93 @@
+/* -*- 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 <svl/itemset.hxx>
+#include <svl/whiter.hxx>
+
+SfxWhichIter::SfxWhichIter(const SfxItemSet& rSet)
+    : m_rItemSet(rSet)
+    , m_pCurrentWhichPair(rSet.m_pWhichRanges.begin())
+    , m_nOffsetFromStartOfCurrentWhichPair(0)
+    , m_nItemsOffset(0)
+{
+}
+
+sal_uInt16 SfxWhichIter::GetCurWhich() const
+{
+    const WhichRangesContainer& rWhichRanges = m_rItemSet.m_pWhichRanges;
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+    return m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+}
+
+sal_uInt16 SfxWhichIter::NextWhich()
+{
+    const WhichRangesContainer& rWhichRanges = m_rItemSet.m_pWhichRanges;
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+
+    const sal_uInt16 nLastWhich = m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+    ++m_nOffsetFromStartOfCurrentWhichPair;
+    if (m_pCurrentWhichPair->second == nLastWhich)
+    {
+        m_nItemsOffset += m_pCurrentWhichPair->second - m_pCurrentWhichPair->first + 1;
+        ++m_pCurrentWhichPair;
+        m_nOffsetFromStartOfCurrentWhichPair = 0;
+    }
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+    return m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+}
+
+sal_uInt16 SfxWhichIter::FirstWhich()
+{
+    m_pCurrentWhichPair = m_rItemSet.m_pWhichRanges.begin();
+    m_nOffsetFromStartOfCurrentWhichPair = 0;
+    m_nItemsOffset = 0;
+    return m_pCurrentWhichPair->first;
+}
+
+SfxItemState SfxWhichIter::GetItemState(bool bSrchInParent, const SfxPoolItem** ppItem) const
+{
+    const sal_uInt16 nOffset(m_nItemsOffset + m_nOffsetFromStartOfCurrentWhichPair);
+
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    SfxItemState eState(m_rItemSet.GetItemState_ForOffset(nOffset, ppItem));
+
+    // search in parent?
+    if (bSrchInParent && nullptr != m_rItemSet.GetParent() && (SfxItemState::UNKNOWN == eState || SfxItemState::DEFAULT == eState))
+    {
+        // nOffset was only valid for *local* SfxItemSet, need to continue with WhichID
+        // Use the *highest* SfxItemState as result
+        const sal_uInt16 nWhich(m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair);
+        return m_rItemSet.GetParent()->GetItemState_ForWhichID( eState, nWhich, true, ppItem);
+    }
+
+    return eState;
+}
+
+void SfxWhichIter::ClearItem()
+{
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    const_cast<SfxItemSet&>(m_rItemSet).ClearSingleItem_ForOffset(m_nItemsOffset + m_nOffsetFromStartOfCurrentWhichPair);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */