/* -*- 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 <rtl/ustring.hxx>

#include <memory>

#include <map>

#define MAXFUNCPARAM    16

#define MAXARRSIZE      0xfffe

#ifndef _WIN32

#define CALLTYPE

#else

#define CALLTYPE            __cdecl

#endif

extern "C" {

typedef void (CALLTYPE* AdvData)( double& nHandle, void* pData );

}

enum class ParamType

{

    PTR_DOUBLE,

    PTR_STRING,

    PTR_DOUBLE_ARR,

    PTR_STRING_ARR,

    PTR_CELL_ARR,

    NONE

};

class ModuleData;

class LegacyFuncData

{

    friend class LegacyFuncCollection;

    const ModuleData* pModuleData;

    OUString aInternalName;

    OUString aFuncName;

    sal_uInt16      nNumber;

    sal_uInt16      nParamCount;

    ParamType   eAsyncType;

    ParamType   eParamType[MAXFUNCPARAM];

public:

    LegacyFuncData(const ModuleData*pModule,

             OUString aIName,

             OUString aFName,

                   sal_uInt16     nNo,

                   sal_uInt16     nCount,

             const ParamType* peType,

                   ParamType  eType);

    LegacyFuncData(const LegacyFuncData& rData);

    const OUString& GetModuleName() const;

    const OUString& GetInternalName() const { return aInternalName; }

    sal_uInt16      GetParamCount() const { return nParamCount; }

    ParamType       GetParamType(sal_uInt16 nIndex) const { return eParamType[nIndex]; }

    ParamType       GetAsyncType() const { return eAsyncType; }

    void            Call(void** ppParam) const;

    void            Unadvice(double nHandle);

                /** name and description of parameter nParam.

                    nParam==0 => Desc := function description,

                    Name := n/a */

    void getParamDesc( OUString& aName, OUString& aDesc, sal_uInt16 nParam ) const;

};

class LegacyFuncCollection

{

    typedef std::map<OUString, std::unique_ptr<LegacyFuncData>> MapType;

    MapType m_Data;

public:

    typedef MapType::const_iterator const_iterator;

    LegacyFuncCollection();

    LegacyFuncCollection(const LegacyFuncCollection& r);

    const LegacyFuncData* findByName(const OUString& rName) const;

    LegacyFuncData* findByName(const OUString& rName);

    void insert(LegacyFuncData* pNew);

    const_iterator begin() const;

    const_iterator end() const;

};

bool InitExternalFunc(const OUString& rModuleName);

void ExitExternalFunc();

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