/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef SC_CALLFORM_HXX
#define SC_CALLFORM_HXX

#include "collect.hxx"

//------------------------------------------------------------------------
#define MAXFUNCPARAM	16
#define MAXARRSIZE		0xfffe

//------------------------------------------------------------------------
#ifndef WNT
#define CALLTYPE
#else
#define CALLTYPE			__cdecl
#endif

extern "C" {
typedef void (CALLTYPE* AdvData)( double& nHandle, void* pData );
}

//------------------------------------------------------------------------
enum ParamType
{
	PTR_DOUBLE,
	PTR_STRING,
	PTR_DOUBLE_ARR,
	PTR_STRING_ARR,
	PTR_CELL_ARR,
	NONE
};

//------------------------------------------------------------------------
class ModuleData;
class FuncData : public ScDataObject
{
friend class FuncCollection;
	const ModuleData* pModuleData;
	String		aInternalName;
	String		aFuncName;
	sal_uInt16      nNumber;
	sal_uInt16		nParamCount;
	ParamType	eAsyncType;
	ParamType	eParamType[MAXFUNCPARAM];
private:
	FuncData(const String& rIName);
public:
	FuncData(const ModuleData*pModule,
			 const String&    rIName,
			 const String&    rFName,
				   sal_uInt16     nNo,
				   sal_uInt16     nCount,
			 const ParamType* peType,
				   ParamType  eType);
	FuncData(const FuncData& rData);
	virtual	ScDataObject*	Clone() const { return new FuncData(*this); }

	const	String&		GetModuleName() const;
	const	String&		GetInternalName() const { return aInternalName; }
	const	String&		GetFuncName() const { return aFuncName; }
			sal_uInt16		GetParamCount() const { return nParamCount; }
			ParamType	GetParamType(sal_uInt16 nIndex) const { return eParamType[nIndex]; }
			ParamType	GetReturnType() const { return eParamType[0]; }
			ParamType	GetAsyncType() const { return eAsyncType; }
			sal_Bool        Call(void** ppParam);
			sal_Bool 		Unadvice(double nHandle);

						// Name und Beschreibung des Parameters nParam.
						// nParam==0 => Desc := Funktions-Beschreibung,
						// Name := n/a
			sal_Bool		GetParamDesc( String& aName, String& aDesc, sal_uInt16 nParam );
};


//------------------------------------------------------------------------
class FuncCollection : public ScSortedCollection
{
public:
	FuncCollection(sal_uInt16 nLim = 4, sal_uInt16 nDel = 4, sal_Bool bDup = sal_False) : ScSortedCollection ( nLim, nDel, bDup ) {}
	FuncCollection(const FuncCollection& rFuncCollection) : ScSortedCollection ( rFuncCollection ) {}

	virtual	ScDataObject*	Clone() const { return new FuncCollection(*this); }
			FuncData*	operator[]( const sal_uInt16 nIndex) const {return (FuncData*)At(nIndex);}
	virtual	short		Compare(ScDataObject* pKey1, ScDataObject* pKey2) const;
			sal_Bool 		SearchFunc( const String& rName, sal_uInt16& rIndex ) const;
};


sal_Bool InitExternalFunc(const rtl::OUString& rModuleName);
void ExitExternalFunc();

#endif