unitconv.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
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 * 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
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 *   ownership. The ASF licenses this file to you under the Apache
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#pragma once
 
#include <rtl/ustring.hxx>
 
#include <map>
#include <string_view>
 
class ScUnitConverterData
{
    OUString maIndexString;
    double mfValue;
 
public:
    ScUnitConverterData(std::u16string_view rFromUnit, std::u16string_view rToUnit, double fValue);
    ScUnitConverterData(const ScUnitConverterData&) = default;
    ScUnitConverterData& operator=(const ScUnitConverterData&) = delete;
 
    double GetValue() const { return mfValue; }
    const OUString& GetIndexString() const { return maIndexString; }
 
    static OUString BuildIndexString(std::u16string_view rFromUnit, std::u16string_view rToUnit);
};
 
class ScUnitConverter
{
    typedef std::map<OUString, ScUnitConverterData> MapType;
    MapType maData;
 
public:
    ScUnitConverter();
    ScUnitConverter(const ScUnitConverter&) = delete;
    const ScUnitConverter& operator=(const ScUnitConverter&) = delete;
    ~ScUnitConverter();
 
    bool GetValue(double& fValue, std::u16string_view rFromUnit, std::u16string_view rToUnit) const;
};
 
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