1 files changed, 184 insertions, 0 deletions
diff --git a/sc/source/core/data/mtvelements.cxx b/sc/source/core/data/mtvelements.cxx
new file mode 100644
index 000000000..56c0fbab0
--- /dev/null
+++ b/sc/source/core/data/mtvelements.cxx
@@ -0,0 +1,184 @@
+/* -*- 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/.
+ */
+
+#include <mtvelements.hxx>
+#include <document.hxx>
+#include <cellvalue.hxx>
+#include <column.hxx>
+#include <table.hxx>
+
+#include <sstream>
+
+namespace sc {
+
+CellStoreEvent::CellStoreEvent() : mpCol(nullptr) {}
+
+CellStoreEvent::CellStoreEvent(ScColumn* pCol) : mpCol(pCol) {}
+
+void CellStoreEvent::element_block_acquired(const mdds::mtv::base_element_block* block)
+{
+    if (!mpCol)
+        return;
+
+    switch (mdds::mtv::get_block_type(*block))
+    {
+        case sc::element_type_formula:
+            ++mpCol->mnBlkCountFormula;
+            break;
+        default:
+            ;
+    }
+}
+
+void CellStoreEvent::element_block_released(const mdds::mtv::base_element_block* block)
+{
+    if (!mpCol)
+        return;
+
+    switch (mdds::mtv::get_block_type(*block))
+    {
+        case sc::element_type_formula:
+            --mpCol->mnBlkCountFormula;
+            break;
+        default:
+            ;
+    }
+}
+
+ColumnBlockPositionSet::ColumnBlockPositionSet(ScDocument& rDoc) : mrDoc(rDoc) {}
+
+ColumnBlockPosition* ColumnBlockPositionSet::getBlockPosition(SCTAB nTab, SCCOL nCol)
+{
+    osl::MutexGuard aGuard(&maMtxTables);
+
+    TablesType::iterator itTab = maTables.find(nTab);
+    if (itTab == maTables.end())
+    {
+        std::pair<TablesType::iterator,bool> r =
+            maTables.emplace(nTab, ColumnsType());
+        if (!r.second)
+            // insertion failed.
+            return nullptr;
+
+        itTab = r.first;
+    }
+
+    ColumnsType& rCols = itTab->second;
+
+    ColumnsType::iterator it = rCols.find(nCol);
+    if (it != rCols.end())
+        // Block position for this column has already been fetched.
+        return &it->second;
+
+    std::pair<ColumnsType::iterator,bool> r =
+        rCols.emplace(nCol, ColumnBlockPosition());
+
+    if (!r.second)
+        // insertion failed.
+        return nullptr;
+
+    it = r.first;
+
+    if (!mrDoc.InitColumnBlockPosition(it->second, nTab, nCol))
+        return nullptr;
+
+    return &it->second;
+}
+
+void ColumnBlockPositionSet::clear()
+{
+    osl::MutexGuard aGuard(&maMtxTables);
+    maTables.clear();
+}
+
+struct TableColumnBlockPositionSet::Impl
+{
+    typedef std::unordered_map<SCCOL, ColumnBlockPosition> ColumnsType;
+
+    ScTable* mpTab;
+    ColumnsType maColumns;
+
+    Impl() : mpTab(nullptr) {}
+};
+
+TableColumnBlockPositionSet::TableColumnBlockPositionSet( ScDocument& rDoc, SCTAB nTab ) :
+    mpImpl(std::make_unique<Impl>())
+{
+    mpImpl->mpTab = rDoc.FetchTable(nTab);
+
+    if (!mpImpl->mpTab)
+    {
+        std::ostringstream os;
+        os << "Passed table index " << nTab << " is invalid.";
+        throw std::invalid_argument(os.str());
+    }
+}
+
+TableColumnBlockPositionSet::TableColumnBlockPositionSet( TableColumnBlockPositionSet&& rOther ) noexcept :
+    mpImpl(std::move(rOther.mpImpl)) {}
+
+TableColumnBlockPositionSet::~TableColumnBlockPositionSet() {}
+
+ColumnBlockPosition* TableColumnBlockPositionSet::getBlockPosition( SCCOL nCol )
+{
+    using ColumnsType = Impl::ColumnsType;
+
+    ColumnsType::iterator it = mpImpl->maColumns.find(nCol);
+
+    if (it != mpImpl->maColumns.end())
+        // Block position for this column has already been fetched.
+        return &it->second;
+
+    std::pair<ColumnsType::iterator,bool> r =
+        mpImpl->maColumns.emplace(nCol, ColumnBlockPosition());
+
+    if (!r.second)
+        // insertion failed.
+        return nullptr;
+
+    it = r.first;
+
+    if (!mpImpl->mpTab->InitColumnBlockPosition(it->second, nCol))
+        return nullptr;
+
+    return &it->second;
+}
+
+void TableColumnBlockPositionSet::invalidate()
+{
+    mpImpl->maColumns.clear();
+}
+
+ScRefCellValue toRefCell( const sc::CellStoreType::const_iterator& itPos, size_t nOffset )
+{
+    switch (itPos->type)
+    {
+        case sc::element_type_numeric:
+            // Numeric cell
+            return ScRefCellValue(sc::numeric_block::at(*itPos->data, nOffset));
+        case sc::element_type_string:
+            // String cell
+            return ScRefCellValue(&sc::string_block::at(*itPos->data, nOffset));
+        case sc::element_type_edittext:
+            // Edit cell
+            return ScRefCellValue(sc::edittext_block::at(*itPos->data, nOffset));
+        break;
+        case sc::element_type_formula:
+            // Formula cell
+            return ScRefCellValue(sc::formula_block::at(*itPos->data, nOffset));
+        default:
+            ;
+    }
+
+    return ScRefCellValue();
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */