/* -*- 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 .

 */

#pragma once

#include <com/sun/star/util/XNumberFormatter.hpp>

#include <com/sun/star/uno/Any.hxx>

#include <unordered_map>

#include <memory>

namespace svt

{

class StandardFormatNormalizer

{

public:

    /** converts the given <code>Any</code> into a <code>double</code> value to be fed into a number formatter

        */

    virtual double convertToDouble(css::uno::Any const& i_value) const = 0;

    /** returns the format key to be used for formatting values

        */

    sal_Int32 getFormatKey() const { return m_nFormatKey; }

protected:

    StandardFormatNormalizer(css::uno::Reference<css::util::XNumberFormatter> const& i_formatter,

                             ::sal_Int32 const i_numberFormatType);

    virtual ~StandardFormatNormalizer() {}

private:

    ::sal_Int32 m_nFormatKey;

};

class CellValueConversion

{

public:

    CellValueConversion();

    ~CellValueConversion();

    OUString convertToString(const css::uno::Any& i_cellValue);

private:

    bool ensureNumberFormatter();

    bool getValueNormalizer(css::uno::Type const& i_valueType,

                            std::shared_ptr<StandardFormatNormalizer>& o_formatter);

    typedef std::unordered_map<OUString, std::shared_ptr<StandardFormatNormalizer>> NormalizerCache;

    css::uno::Reference<css::util::XNumberFormatter> xNumberFormatter;

    bool bAttemptedFormatterCreation;

    NormalizerCache aNormalizers;

};

} // namespace svt

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */