/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office 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 <sal/types.h>
#include <rtl/ustring.hxx>
#include <cpo/uno/Sequence.hxx>

#include <oaidl.h>

namespace com::sun::star::util
{
    struct Date;
    struct Time;
    struct DateTime;
}

namespace connectivity::ado
{
    class OLEVariant    :   public ::tagVARIANT
    {
    public:
        OLEVariant();
        OLEVariant(const VARIANT& varSrc);
        OLEVariant(const OLEVariant& varSrc)    ;
        OLEVariant(bool x)  ;
        OLEVariant(sal_Int8 n)  ;
        OLEVariant(sal_Int16 n) ;
        OLEVariant(sal_Int32 n) ;
        OLEVariant(sal_Int64 x) ;

        OLEVariant(std::u16string_view us);
        OLEVariant(const OUString& us)
            : OLEVariant(std::u16string_view(us))
        {
        }
        ~OLEVariant()                   ;
        OLEVariant(const css::util::Date& x );
        OLEVariant(const css::util::Time& x );
        OLEVariant(const css::util::DateTime& x );
        OLEVariant(float x);
        OLEVariant(const double &x);
        OLEVariant(IDispatch* pDispInterface);
        OLEVariant(const cpo::uno::Sequence< sal_Int8 >& x);
        OLEVariant& operator=(const OLEVariant& varSrc);
        // Assign a const VARIANT& (::VariantCopy handles everything)

        OLEVariant& operator=(const tagVARIANT& varSrc);
        // Assign a const VARIANT* (::VariantCopy handles everything)

        OLEVariant& operator=(const VARIANT* pSrc);
        void setByte(sal_uInt8 n)               ;
        void setInt16(sal_Int16 n)              ;
        void setInt32(sal_Int32 n)              ;
        void setFloat(float f)                  ;
        void setDouble(double d)                ;
        void setDate(DATE d)                    ;
        void setChar(unsigned char a)           ;
        void setCurrency(double aCur)           ;
        void setBool(bool b)                    ;
        void setString(std::u16string_view us);
        void setNoArg()                         ;

        void setIDispatch(IDispatch* pDispInterface);
        void setNull()   ;
        void setEmpty()  ;

        void setUI1SAFEARRAYPtr(SAFEARRAY* pSafeAr);
        void setArray(SAFEARRAY* pSafeArray, VARTYPE vtType);
        bool isNull() const  ;
        bool isEmpty() const ;

        VARTYPE getType() const ;
        void ChangeType(VARTYPE vartype, const OLEVariant* pSrc);

        OUString        getString()     const;
        bool            getBool()       const;
        IUnknown*       getIUnknown()   const;
        IDispatch*      getIDispatch()  const;
        sal_uInt8       getByte()       const;
        sal_Int16       getInt16()      const;
        sal_Int8        getInt8()       const;
        sal_Int32       getInt32()      const;
        sal_uInt32      getUInt32()     const;
        float           getFloat()      const;
        double          getDouble()     const;
        double          getDateAsDouble() const;
        CY              getCurrency()   const;
        css::util::Date getDate()       const;
        css::util::Time getTime()       const;
        css::util::DateTime getDateTime() const;
        cpo::uno::Sequence<sal_Int8> getByteSequence() const;
        SAFEARRAY*      getUI1SAFEARRAYPtr() const;
        cpo::uno::Any makeAny() const;

        static VARIANT_BOOL VariantBool(bool bEinBoolean);

    private:
        void CHS();

        void set(double n);

    };
}

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