1 files changed, 117 insertions, 0 deletions
diff --git a/sc/inc/cellvalues.hxx b/sc/inc/cellvalues.hxx
new file mode 100644
index 000000000..0043d6527
--- /dev/null
+++ b/sc/inc/cellvalues.hxx
@@ -0,0 +1,117 @@
+/* -*- 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 "address.hxx"
+#include <memory>
+#include <vector>
+
+class ScColumn;
+class ScFormulaCell;
+
+namespace svl
+{
+class SharedString;
+}
+
+namespace sc
+{
+struct CellValuesImpl;
+
+struct CellValueSpan
+{
+    SCROW mnRow1;
+    SCROW mnRow2;
+
+    CellValueSpan(SCROW nRow1, SCROW nRow2);
+};
+
+/**
+ * Think of this as a mini-ScColumn like storage that only stores cell
+ * values in a column.
+ */
+class CellValues
+{
+    std::unique_ptr<CellValuesImpl> mpImpl;
+
+    CellValues(const CellValues&) = delete;
+    CellValues& operator=(const CellValues&) = delete;
+
+public:
+    CellValues();
+    ~CellValues();
+
+    /**
+     * Transfer values from specified column.  The transferred segment in the
+     * source column becomes empty after this call.
+     *
+     * @param rCol source column to transfer values from.
+     * @param nRow top row position in the source column.
+     * @param nLen length of the segment to transfer.
+     */
+    void transferFrom(ScColumn& rCol, SCROW nRow, size_t nLen);
+
+    void copyTo(ScColumn& rCol, SCROW nRow) const;
+    void swapNonEmpty(ScColumn& rCol);
+
+    void assign(const std::vector<double>& rVals);
+    void assign(const std::vector<ScFormulaCell*>& rVals);
+
+    size_t size() const;
+
+    void reset(size_t nSize);
+    void setValue(size_t nRow, double fVal);
+    void setValue(size_t nRow, const svl::SharedString& rStr);
+
+    void swap(CellValues& r);
+
+    std::vector<CellValueSpan> getNonEmptySpans() const;
+
+private:
+    void copyCellsTo(ScColumn& rCol, SCROW nRow) const;
+    void copyCellTextAttrsTo(ScColumn& rCol, SCROW nRow) const;
+};
+
+/**
+ * Stores cell values for multiple tables.
+ */
+class TableValues
+{
+    struct Impl;
+
+    std::unique_ptr<Impl> mpImpl;
+
+    TableValues(const TableValues&) = delete;
+    TableValues& operator=(const TableValues&) = delete;
+
+public:
+    TableValues();
+    TableValues(const ScRange& rRange);
+    ~TableValues();
+
+    const ScRange& getRange() const;
+
+    /**
+     * Swap the entire column.
+     */
+    void swap(SCTAB nTab, SCCOL nCol, CellValues& rColValue);
+
+    /**
+     * Swap non-empty blocks with the column storage.
+     */
+    void swapNonEmpty(SCTAB nTab, SCCOL nCol, ScColumn& rCol);
+
+    std::vector<CellValueSpan> getNonEmptySpans(SCTAB nTab, SCCOL nCol) const;
+
+    void swap(TableValues& rOther);
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */