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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/.
 */

#pragma once

#include "address.hxx"
#include <memory>
#include <vector>

class ScColumn;
class ScFormulaCell;
class EditTextObject;

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);
    /// Takes ownership of pEditText.
    void setValue(size_t nRow, std::unique_ptr<EditTextObject> pEditText);

    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: */