1 files changed, 123 insertions, 0 deletions
diff --git a/sc/inc/cellvalues.hxx b/sc/inc/cellvalues.hxx
new file mode 100644
index 000000000..5a4057793
--- /dev/null
+++ b/sc/inc/cellvalues.hxx
@@ -0,0 +1,123 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_SC_INC_CELLVALUES_HXX
+#define INCLUDED_SC_INC_CELLVALUES_HXX
+
+#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 );
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */