SSL methods.cxx Sprache: C

/* -*- 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 .
*/

#include <config_features.h>

#include <tools/date.hxx>
#include <basic/sbxvar.hxx>
#include <basic/sbuno.hxx>
#include <osl/process.h>
#include <vcl/dibtools.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <vcl/sound.hxx>
#include <vcl/wintypes.hxx>
#include <vcl/stdtext.hxx>
#include <vcl/weld.hxx>
#include <basic/sbx.hxx>
#include <svl/zforlist.hxx>
#include <rtl/character.hxx>
#include <rtl/math.hxx>
#include <tools/urlobj.hxx>
#include <osl/time.h>
#include <unotools/charclass.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <unotools/wincodepage.hxx>
#include <tools/wldcrd.hxx>
#include <i18nlangtag/lang.h>
#include <rtl/string.hxx>
#include <sal/log.hxx>
#include <comphelper/DirectoryHelper.hxx>
#include <comphelper/lok.hxx>

#include <runtime.hxx>
#include <sbunoobj.hxx>
#include <osl/file.hxx>
#include <errobject.hxx>

#include <comphelper/string.hxx>
#include <comphelper/processfactory.hxx>

#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/util/DateTime.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/ucb/SimpleFileAccess.hpp>
#include <com/sun/star/script/XErrorQuery.hpp>
#include <ooo/vba/VbStrConv.hpp>
#include <ooo/vba/VbTriState.hpp>
#include <com/sun/star/bridge/oleautomation/XAutomationObject.hpp>
#include <memory>
#include <random>
#include <string_view>
#include <o3tl/char16_t2wchar_t.hxx>

// include search util
#include <com/sun/star/i18n/Transliteration.hpp>
#include <com/sun/star/util/SearchAlgorithms2.hpp>
#include <i18nutil/searchopt.hxx>
#include <unotools/textsearch.hxx>
#include <svl/numformat.hxx>

#include <date.hxx>
#include <sbstdobj.hxx>
#include <rtlproto.hxx>
#include <image.hxx>
#include <iosys.hxx>
#include "ddectrl.hxx"
#include <sbintern.hxx>
#include <basic/vbahelper.hxx>

#include <vector>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

#include <sbobjmod.hxx>
#include <sbxmod.hxx>

#ifdef _WIN32
#include <prewin.h>
#include <direct.h>
#include <io.h>
#include <postwin.h>
#else
#include <unistd.h>
#endif

#include <vcl/TypeSerializer.hxx>

using namespace comphelper;
using namespace osl;
using namespace com::sun::star;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;

static sal_Int32 GetDayDiff(const Date& rDate) { return rDate - Date(1899'12'30); }

#if HAVE_FEATURE_SCRIPTING

static sal_Int32 nanoSecToMilliSec(sal_Int64 nNanoSeconds)
{
    // Rounding nanoseconds to milliseconds precision to avoid comparison inaccuracies
    return o3tl::convert(nNanoSeconds, 1, tools::Time::nanoPerMilli);
}

static void FilterWhiteSpace( OUString& rStr )
{
    if (rStr.isEmpty())
    {
        return;
    }
    OUStringBuffer aRet;

    for (sal_Int32 i = 0; i < rStr.getLength(); ++i)
    {
        sal_Unicode cChar = rStr[i];
        if ((cChar != ' ') && (cChar != '\t') &&
           (cChar != '\n') && (cChar != '\r'))
        {
            aRet.append(cChar);
        }
    }

    rStr = aRet.makeStringAndClear();
}

static const CharClass& GetCharClass()
{
    static CharClass aCharClass( Application::GetSettings().GetLanguageTag() );
    return aCharClass;
}

static bool isFolder( FileStatus::Type aType )
{
    return ( aType == FileStatus::Directory || aType == FileStatus::Volume );
}

//*** UCB file access ***

// Converts possibly relative paths to absolute paths
// according to the setting done by ChDir/ChDrive
OUString getFullPath( const OUString& aRelPath )
{
    OUString aFileURL;

    // #80204 Try first if it already is a valid URL
    INetURLObject aURLObj( aRelPath );
    aFileURL = aURLObj.GetMainURL( INetURLObject::DecodeMechanism::NONE );

    if( aFileURL.isEmpty() )
    {
        File::getFileURLFromSystemPath( aRelPath, aFileURL );
    }

    return aFileURL;
}

// TODO: -> SbiGlobals
static uno::Reference< ucb::XSimpleFileAccess3 > const & getFileAccess()
{
    static uno::Reference< ucb::XSimpleFileAccess3 > xSFI = ucb::SimpleFileAccess::create( comphelper::getProcessComponentContext() );
    return xSFI;
}

// Properties and methods lie down the return value at the Get (bPut = sal_False) in the
// element 0 of the Argv; the value of element 0 is saved at Put (bPut = sal_True)

// CreateObject( class )

void SbRtl_CreateObject(StarBASIC * pBasic, SbxArray & rPar, bool)
{
    if( rPar.Count() < 2 )
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aClass(rPar.Get(1)->GetOUString());
    SbxObjectRef p = SbxBase::CreateObject( aClass );
    if( !p.is() )
        return StarBASIC::Error( ERRCODE_BASIC_CANNOT_LOAD );

    // Convenience: enter BASIC as parent
    p->SetParent( pBasic );
    rPar.Get(0)->PutObject(p.get());
}

// Error( n )

void SbRtl_Error(StarBASIC * pBasic, SbxArray & rPar, bool)
{
    if( !pBasic )
        return StarBASIC::Error( ERRCODE_BASIC_INTERNAL_ERROR );

    OUString aErrorMsg;
    ErrCode nErr = ERRCODE_NONE;
    sal_Int32 nCode = 0;
    if (rPar.Count() == 1)
    {
        nErr = StarBASIC::GetErrBasic();
        aErrorMsg = StarBASIC::GetErrorMsg();
    }
    else
    {
        nCode = rPar.Get(1)->GetLong();
        if( nCode > 65535 )
        {
            StarBASIC::Error( ERRCODE_BASIC_CONVERSION );
        }
        else
        {
            nErr = StarBASIC::GetSfxFromVBError( static_cast<sal_uInt16>(nCode) );
        }
    }
    bool bVBA = SbiRuntime::isVBAEnabled();
    OUString tmpErrMsg;
    if( bVBA && !aErrorMsg.isEmpty())
    {
        tmpErrMsg = aErrorMsg;
    }
    else
    {
        StarBASIC::MakeErrorText( nErr, aErrorMsg );
        tmpErrMsg = StarBASIC::GetErrorText();
    }
    // If this rtlfunc 'Error' passed an errcode the same as the active Err Objects's
    // current err then  return the description for the error message if it is set
    // ( complicated isn't it ? )
    if (bVBA && rPar.Count() > 1)
    {
        uno::Reference< ooo::vba::XErrObject > xErrObj( SbxErrObject::getUnoErrObject() );
        if ( xErrObj.is() && xErrObj->getNumber() == nCode && !xErrObj->getDescription().isEmpty() )
        {
            tmpErrMsg = xErrObj->getDescription();
        }
    }
    rPar.Get(0)->PutString(tmpErrMsg);
}

// Sinus

void SbRtl_Sin(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    rPar.Get(0)->PutDouble(sin(pArg->GetDouble()));
}

void SbRtl_Cos(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    rPar.Get(0)->PutDouble(cos(pArg->GetDouble()));
}

void SbRtl_Atn(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    rPar.Get(0)->PutDouble(atan(pArg->GetDouble()));
}

void SbRtl_Abs(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    rPar.Get(0)->PutDouble(fabs(pArg->GetDouble()));
}

void SbRtl_Asc(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    OUString aStr( pArg->GetOUString() );
    if ( aStr.isEmpty())
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
        rPar.Get(0)->PutEmpty();
        return;
    }
    sal_Unicode aCh = aStr[0];
    rPar.Get(0)->PutLong(aCh);
}

static void implChr( SbxArray& rPar, bool bChrW )
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);

    OUString aStr;
    if( !bChrW && SbiRuntime::isVBAEnabled() )
    {
        char c = static_cast<char>(pArg->GetByte());
        aStr = OUString(&c, 1, osl_getThreadTextEncoding());
    }
    else
    {
        // Map negative 16-bit values to large positive ones, so that code like Chr(&H8000)
        // still works after the fix for tdf#62326 changed those four-digit hex notations to
        // produce negative values:
        sal_Int32 aCh = pArg->GetLong();
        if (aCh < -0x8000 || aCh > 0xFFFF)
        {
            StarBASIC::Error(ERRCODE_BASIC_MATH_OVERFLOW);
            aCh = 0;
        }
        aStr = OUString(static_cast<sal_Unicode>(aCh));
    }
    rPar.Get(0)->PutString(aStr);
}

void SbRtl_Chr(StarBASIC *, SbxArray & rPar, bool)
{
    implChr( rPar, false/*bChrW*/ );
}

void SbRtl_ChrW(StarBASIC *, SbxArray & rPar, bool)
{
    implChr( rPar, true/*bChrW*/ );
}

#if defined _WIN32

namespace {

extern "C" void invalidParameterHandler(
    wchar_t const * expression, wchar_t const * function, wchar_t const * file, unsigned int line,
    uintptr_t)
{
    SAL_INFO(
        "basic",
        "invalid parameter during _wgetdcwd; \""
            << (expression ? OUString(o3tl::toU(expression)) : OUString("???"))
            << "\" (" << (function ? OUString(o3tl::toU(function)) : OUString("???")) << ") at "
            << (file ? OUString(o3tl::toU(file)) : OUString("???")) << ":" << line);
}

}

#endif

void SbRtl_CurDir(StarBASIC *, SbxArray & rPar, bool)
{
    // #57064 Although this function doesn't work with DirEntry, it isn't touched
    // by the adjustment to virtual URLs, as, using the DirEntry-functionality,
    // there's no possibility to detect the current one in a way that a virtual URL
    // could be delivered.

    if (rPar.Count() > 2)
       return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

#if defined(_WIN32)
    int nCurDir = 0;  // Current dir // JSM
    if (rPar.Count() == 2)
    {
        OUString aDrive = rPar.Get(1)->GetOUString();
        if ( aDrive.getLength() != 1 )
            return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

        auto c = rtl::toAsciiUpperCase(aDrive[0]);
        if ( !rtl::isAsciiUpperCase( c ) )
            return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

        nCurDir = c - 'A' + 1;
    }
    wchar_t pBuffer[ _MAX_PATH ];
    // _wgetdcwd calls the C runtime's invalid parameter handler (which by default terminates the
    // process) if nCurDir does not correspond to an existing drive, so temporarily set a "harmless"
    // handler:
    auto const handler = _set_thread_local_invalid_parameter_handler(&invalidParameterHandler);
    auto const ok = _wgetdcwd( nCurDir, pBuffer, _MAX_PATH ) != nullptr;
    _set_thread_local_invalid_parameter_handler(handler);
    if ( !ok )
        return StarBASIC::Error( ERRCODE_BASIC_NO_DEVICE );

    rPar.Get(0)->PutString(OUString(o3tl::toU(pBuffer)));

#else

    const int PATH_INCR = 250;

    int nSize = PATH_INCR;
    std::unique_ptr<char[]> pMem;
    while( true )
    {
        pMem.reset(new char[nSize]);
        if( !pMem )
            return StarBASIC::Error( ERRCODE_BASIC_NO_MEMORY );

        if( getcwd( pMem.get(), nSize-1 ) != nullptr )
        {
            rPar.Get(0)->PutString(OUString::createFromAscii(pMem.get()));
            return;
        }
        if( errno != ERANGE )
            return StarBASIC::Error( ERRCODE_BASIC_INTERNAL_ERROR );

        nSize += PATH_INCR;
    };

#endif
}

void SbRtl_ChDir(StarBASIC * pBasic, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    // VBA: track current directory per document type (separately for Writer, Calc, Impress, etc.)
    if( SbiRuntime::isVBAEnabled() )
    {
        ::basic::vba::registerCurrentDirectory(getDocumentModel(pBasic),
                                                rPar.Get(1)->GetOUString());
    }
}

void SbRtl_ChDrive(StarBASIC *, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
}

// Implementation of StepRENAME with UCB
void implStepRenameUCB( const OUString& aSource, const OUString& aDest )
{
    const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
    if( !xSFI.is() )
        return;

    try
    {
        OUString aSourceFullPath = getFullPath( aSource );
        if( !xSFI->exists( aSourceFullPath ) )
        {
            StarBASIC::Error( ERRCODE_BASIC_FILE_NOT_FOUND );
            return;
        }

        OUString aDestFullPath = getFullPath( aDest );
        if( xSFI->exists( aDestFullPath ) )
        {
            StarBASIC::Error( ERRCODE_BASIC_FILE_EXISTS );
        }
        else
        {
            xSFI->move( aSourceFullPath, aDestFullPath );
        }
    }
    catch(const Exception & )
    {
        StarBASIC::Error( ERRCODE_BASIC_FILE_NOT_FOUND );
    }
}

// Implementation of StepRENAME with OSL
void implStepRenameOSL( const OUString& aSource, const OUString& aDest )
{
    FileBase::RC nRet = File::move( getFullPath( aSource ), getFullPath( aDest ) );
    if( nRet != FileBase::E_None )
    {
        StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
    }
}

void SbRtl_FileCopy(StarBASIC *, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 3)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aSource = rPar.Get(1)->GetOUString();
    OUString aDest = rPar.Get(2)->GetOUString();
    if( hasUno() )
    {
        const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
        if( xSFI.is() )
        {
            try
            {
                xSFI->copy( getFullPath( aSource ), getFullPath( aDest ) );
            }
            catch(const Exception & )
            {
                StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
            }
        }
    }
    else
    {
        FileBase::RC nRet = File::copy( getFullPath( aSource ), getFullPath( aDest ) );
        if( nRet != FileBase::E_None )
        {
            StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
        }
    }
}

void SbRtl_Kill(StarBASIC *, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aFileSpec = rPar.Get(1)->GetOUString();

    if( hasUno() )
    {
        const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
        if( xSFI.is() )
        {
            OUString aFullPath = getFullPath( aFileSpec );
            if( !xSFI->exists( aFullPath ) || xSFI->isFolder( aFullPath ) )
            {
                StarBASIC::Error( ERRCODE_BASIC_FILE_NOT_FOUND );
                return;
            }
            try
            {
                xSFI->kill( aFullPath );
            }
            catch(const Exception & )
            {
                StarBASIC::Error( ERRCODE_IO_GENERAL );
            }
        }
    }
    else
    {
        File::remove( getFullPath( aFileSpec ) );
    }
}

void SbRtl_MkDir(StarBASIC * pBasic, SbxArray & rPar, bool bWrite)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aPath = rPar.Get(1)->GetOUString();
    if ( SbiRuntime::isVBAEnabled() )
    {
        // In vba if the full path is not specified then
        // folder is created relative to the curdir
        INetURLObject aURLObj( getFullPath( aPath ) );
        if ( aURLObj.GetProtocol() != INetProtocol::File )
        {
            SbxArrayRef pPar = new SbxArray();
            SbxVariableRef pResult = new SbxVariable();
            SbxVariableRef pParam = new SbxVariable();
            pPar->Insert(pResult.get(), pPar->Count());
            pPar->Insert(pParam.get(), pPar->Count());
            SbRtl_CurDir( pBasic, *pPar, bWrite );

            OUString sCurPathURL;
            File::getFileURLFromSystemPath(pPar->Get(0)->GetOUString(), sCurPathURL);

            aURLObj.SetURL( sCurPathURL );
            aURLObj.Append( aPath );
            File::getSystemPathFromFileURL(aURLObj.GetMainURL( INetURLObject::DecodeMechanism::ToIUri  ),aPath ) ;
        }
    }

    if( hasUno() )
    {
        const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
        if( xSFI.is() )
        {
            try
            {
                xSFI->createFolder( getFullPath( aPath ) );
            }
            catch(const Exception & )
            {
                StarBASIC::Error( ERRCODE_IO_GENERAL );
            }
        }
    }
    else
    {
        Directory::create( getFullPath( aPath ) );
    }
}

static void implRemoveDirRecursive( const OUString& aDirPath )
{
    DirectoryItem aItem;
    FileBase::RC nRet = DirectoryItem::get( aDirPath, aItem );
    bool bExists = (nRet == FileBase::E_None);

    FileStatus aFileStatus( osl_FileStatus_Mask_Type );
    nRet = aItem.getFileStatus( aFileStatus );
    bool bFolder = nRet == FileBase::E_None
        && isFolder( aFileStatus.getFileType() );

    if( !bExists || !bFolder )
    {
        return StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
    }

    Directory aDir( aDirPath );
    nRet = aDir.open();
    if( nRet != FileBase::E_None )
    {
        return StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
    }
    aDir.close();

    comphelper::DirectoryHelper::deleteDirRecursively(aDirPath);
}

void SbRtl_RmDir(StarBASIC *, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aPath = rPar.Get(1)->GetOUString();
    if( hasUno() )
    {
        const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
        if( xSFI.is() )
        {
            try
            {
                if( !xSFI->isFolder( aPath ) )
                {
                    return StarBASIC::Error( ERRCODE_BASIC_PATH_NOT_FOUND );
                }
                SbiInstance* pInst = GetSbData()->pInst;
                bool bCompatibility = ( pInst && pInst->IsCompatibility() );
                if( bCompatibility )
                {
                    Sequence< OUString > aContent = xSFI->getFolderContents( aPath, true );
                    if( aContent.hasElements() )
                    {
                        return StarBASIC::Error( ERRCODE_BASIC_ACCESS_ERROR );
                    }
                }

                xSFI->kill( getFullPath( aPath ) );
            }
            catch(const Exception & )
            {
                StarBASIC::Error( ERRCODE_IO_GENERAL );
            }
        }
    }
    else
    {
        implRemoveDirRecursive( getFullPath( aPath ) );
    }
}

void SbRtl_SendKeys(StarBASIC *, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutEmpty();
    StarBASIC::Error(ERRCODE_BASIC_NOT_IMPLEMENTED);
}

void SbRtl_Exp(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    double aDouble = rPar.Get(1)->GetDouble();
    aDouble = exp( aDouble );
    checkArithmeticOverflow( aDouble );
    rPar.Get(0)->PutDouble(aDouble);
}

void SbRtl_FileLen(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    SbxVariableRef pArg = rPar.Get(1);
    OUString aStr( pArg->GetOUString() );
    sal_Int32 nLen = 0;
    if( hasUno() )
    {
        const uno::Reference< ucb::XSimpleFileAccess3 >& xSFI = getFileAccess();
        if( xSFI.is() )
        {
            try
            {
                nLen = xSFI->getSize( getFullPath( aStr ) );
            }
            catch(const Exception & )
            {
                StarBASIC::Error( ERRCODE_IO_GENERAL );
            }
        }
    }
    else
    {
        DirectoryItem aItem;
        (void)DirectoryItem::get( getFullPath( aStr ), aItem );
        FileStatus aFileStatus( osl_FileStatus_Mask_FileSize );
        (void)aItem.getFileStatus( aFileStatus );
        nLen = static_cast<sal_Int32>(aFileStatus.getFileSize());
    }
    rPar.Get(0)->PutLong(nLen);
}

void SbRtl_Hex(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    SbxVariableRef pArg = rPar.Get(1);
    // converting value to unsigned and limit to 2 or 4 byte representation
    sal_uInt32 nVal = pArg->IsInteger() ?
        static_cast<sal_uInt16>(pArg->GetInteger()) :
        static_cast<sal_uInt32>(pArg->GetLong());
    rPar.Get(0)->PutString(OUString::number(nVal, 16).toAsciiUpperCase());
}

void SbRtl_FuncCaller(StarBASIC *, SbxArray & rPar, bool)
{
    if (!SbiRuntime::isVBAEnabled() || GetSbData()->pInst == nullptr || GetSbData()->pInst->pRun == nullptr)
        return StarBASIC::Error(ERRCODE_BASIC_NOT_IMPLEMENTED);

    if ( GetSbData()->pInst->pRun->GetExternalCaller() )
        *rPar.Get(0) = *GetSbData()->pInst->pRun->GetExternalCaller();
    else
    {
        SbxVariableRef pVar = new SbxVariable(SbxVARIANT);
        *rPar.Get(0) = *pVar;
    }
}
// InStr( [start],string,string,[compare] )

void SbRtl_InStr(StarBASIC *, SbxArray & rPar, bool)
{
    const sal_uInt32 nArgCount = rPar.Count() - 1;
    if ( nArgCount < 2 )
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);

    sal_Int32 nStartPos = 1;
    sal_Int32 nFirstStringPos = 1;

    if ( nArgCount >= 3 )
    {
        nStartPos = rPar.Get(1)->GetLong();
        if( nStartPos <= 0 )
        {
            StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
            nStartPos = 1;
        }
        nFirstStringPos++;
    }

    SbiInstance* pInst = GetSbData()->pInst;
    bool bTextMode;
    bool bCompatibility = ( pInst && pInst->IsCompatibility() );
    if( bCompatibility )
    {
        SbiRuntime* pRT = pInst->pRun;
        bTextMode = pRT && pRT->IsImageFlag( SbiImageFlags::COMPARETEXT );
    }
    else
    {
        bTextMode = true;
    }
    if ( nArgCount == 4 )
    {
        bTextMode = rPar.Get(4)->GetInteger();
    }
    sal_Int32 nPos;
    const OUString aToken = rPar.Get(nFirstStringPos + 1)->GetOUString();

    // #97545 Always find empty string
    if( aToken.isEmpty() )
    {
        nPos = nStartPos;
    }
    else
    {
        const OUString aStr1 = rPar.Get(nFirstStringPos)->GetOUString();
        const sal_Int32 nrStr1Len = aStr1.getLength();
        if (nStartPos > nrStr1Len)
        {
            // Start position is greater than the string being searched
            nPos = 0;
        }
        else
        {
            if( !bTextMode )
            {
                nPos = aStr1.indexOf( aToken, nStartPos - 1 ) + 1;
            }
            else
            {
                // tdf#139840 - case-insensitive operation for non-ASCII characters
                i18nutil::SearchOptions2 aSearchOptions;
                aSearchOptions.searchString = aToken;
                aSearchOptions.AlgorithmType2 = util::SearchAlgorithms2::ABSOLUTE;
                aSearchOptions.transliterateFlags |= TransliterationFlags::IGNORE_CASE;
                utl::TextSearch textSearch(aSearchOptions);

                sal_Int32 nStart = nStartPos - 1;
                sal_Int32 nEnd = nrStr1Len;
                nPos = textSearch.SearchForward(aStr1, &nStart, &nEnd) ? nStart + 1 : 0;
            }
        }
    }
    rPar.Get(0)->PutLong(nPos);
}

// InstrRev(string1, string2[, start[, compare]])

void SbRtl_InStrRev(StarBASIC *, SbxArray & rPar, bool)
{
    const sal_uInt32 nArgCount = rPar.Count() - 1;
    if ( nArgCount < 2 )
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    const OUString aStr1 = rPar.Get(1)->GetOUString();
    const OUString aToken = rPar.Get(2)->GetOUString();

    sal_Int32 nStartPos = -1;
    if ( nArgCount >= 3 )
    {
        nStartPos = rPar.Get(3)->GetLong();
        if( nStartPos <= 0 && nStartPos != -1 )
        {
            StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
            nStartPos = -1;
        }
    }

    SbiInstance* pInst = GetSbData()->pInst;
    bool bTextMode;
    bool bCompatibility = ( pInst && pInst->IsCompatibility() );
    if( bCompatibility )
    {
        SbiRuntime* pRT = pInst->pRun;
        bTextMode = pRT && pRT->IsImageFlag( SbiImageFlags::COMPARETEXT );
    }
    else
    {
        bTextMode = true;
    }
    if ( nArgCount == 4 )
    {
        bTextMode = rPar.Get(4)->GetInteger();
    }
    const sal_Int32 nStrLen = aStr1.getLength();
    if( nStartPos == -1 )
    {
        nStartPos = nStrLen;
    }

    sal_Int32 nPos = 0;
    if( nStartPos <= nStrLen )
    {
        sal_Int32 nTokenLen = aToken.getLength();
        if( !nTokenLen )
        {
           // Always find empty string
           nPos = nStartPos;
        }
        else if( nStrLen > 0 )
        {
            if( !bTextMode )
            {
               nPos = aStr1.lastIndexOf( aToken, nStartPos ) + 1;
            }
            else
            {
               // tdf#143332 - case-insensitive operation for non-ASCII characters
               i18nutil::SearchOptions2 aSearchOptions;
               aSearchOptions.searchString = aToken;
               aSearchOptions.AlgorithmType2 = util::SearchAlgorithms2::ABSOLUTE;
               aSearchOptions.transliterateFlags |= TransliterationFlags::IGNORE_CASE;
               utl::TextSearch textSearch(aSearchOptions);

               sal_Int32 nStart = 0;
               sal_Int32 nEnd = nStartPos;
               nPos = textSearch.SearchBackward(aStr1, &nEnd, &nStart) ? nStart : 0;
            }
        }
    }
    rPar.Get(0)->PutLong(nPos);
}

/*
    Int( 2.8 )  =  2.0
    Int( -2.8 ) = -3.0
    Fix( 2.8 )  =  2.0
    Fix( -2.8 ) = -2.0    <- !!
*/

void SbRtl_Int(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    double aDouble= pArg->GetDouble();
    /*
        floor( 2.8 ) =  2.0
        floor( -2.8 ) = -3.0
    */
    aDouble = floor( aDouble );
    rPar.Get(0)->PutDouble(aDouble);
}

void SbRtl_Fix(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    double aDouble = pArg->GetDouble();
    if ( aDouble >= 0.0 )
        aDouble = floor( aDouble );
    else
        aDouble = ceil( aDouble );
    rPar.Get(0)->PutDouble(aDouble);
}

void SbRtl_LCase(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    const CharClass& rCharClass = GetCharClass();
    OUString aStr(rPar.Get(1)->GetOUString());
    aStr = rCharClass.lowercase(aStr);
    rPar.Get(0)->PutString(aStr);
}

void SbRtl_Left(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 3)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aStr(rPar.Get(1)->GetOUString());
    sal_Int32 nResultLen = rPar.Get(2)->GetLong();
    if( nResultLen < 0 )
    {
        nResultLen = 0;
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    else if(nResultLen > aStr.getLength())
    {
        nResultLen = aStr.getLength();
    }
    aStr = aStr.copy(0, nResultLen );
    rPar.Get(0)->PutString(aStr);
}

void SbRtl_Log(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    double aArg = rPar.Get(1)->GetDouble();
    if ( aArg <= 0 )
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    double d = log( aArg );
    checkArithmeticOverflow( d );
    rPar.Get(0)->PutDouble(d);
}

void SbRtl_LTrim(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aStr(comphelper::string::stripStart(rPar.Get(1)->GetOUString(), ' '));
    rPar.Get(0)->PutString(aStr);
}

// Mid( String, nStart, nLength )

void SbRtl_Mid(StarBASIC *, SbxArray & rPar, bool bWrite)
{
    int nArgCount = rPar.Count() - 1;
    if ( nArgCount < 2 )
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }
    // #23178: replicate the functionality of Mid$ as a command
    // by adding a replacement-string as a fourth parameter.
    // In contrast to the original the third parameter (nLength)
    // can't be left out here. That's considered in bWrite already.
    if( nArgCount == 4 )
    {
        bWrite = true;
    }
    OUString aArgStr = rPar.Get(1)->GetOUString();
    sal_Int32 nStartPos = rPar.Get(2)->GetLong();
    if ( nStartPos < 1 )
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    nStartPos--;
    sal_Int32 nLen = -1;
    bool bWriteNoLenParam = false;
    if ( nArgCount == 3 || bWrite )
    {
        sal_Int32 n = rPar.Get(3)->GetLong();
        if( bWrite && n == -1 )
        {
            bWriteNoLenParam = true;
        }
        nLen = n;
    }
    if ( bWrite )
    {
        sal_Int32 nArgLen = aArgStr.getLength();
        if( nStartPos > nArgLen )
        {
            SbiInstance* pInst = GetSbData()->pInst;
            bool bCompatibility = ( pInst && pInst->IsCompatibility() );
            if( bCompatibility )
            {
                return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
            }
            nStartPos = nArgLen;
        }

        OUString aReplaceStr = rPar.Get(4)->GetOUString();
        sal_Int32 nReplaceStrLen = aReplaceStr.getLength();
        sal_Int32 nReplaceLen;
        if( bWriteNoLenParam )
        {
            nReplaceLen = nArgLen - nStartPos;
        }
        else
        {
            nReplaceLen = nLen;
            if( nReplaceLen < 0 || nReplaceLen > nArgLen - nStartPos )
            {
                nReplaceLen = nArgLen - nStartPos;
            }
        }

        OUStringBuffer aResultStr(aArgStr);
        sal_Int32 nErase = nReplaceLen;
        aResultStr.remove( nStartPos, nErase );
        aResultStr.insert(
            nStartPos, aReplaceStr.getStr(), std::min(nReplaceLen, nReplaceStrLen));

        rPar.Get(1)->PutString(aResultStr.makeStringAndClear());
    }
    else
    {
        OUString aResultStr;
        if (nStartPos > aArgStr.getLength())
        {
            // do nothing
        }
        else if(nArgCount == 2)
        {
            aResultStr = aArgStr.copy( nStartPos);
        }
        else
        {
            if (nLen < 0)
                nLen = 0;
            if(nStartPos + nLen > aArgStr.getLength())
            {
                nLen = aArgStr.getLength() - nStartPos;
            }
            if (nLen > 0)
                aResultStr = aArgStr.copy( nStartPos, nLen );
        }
        rPar.Get(0)->PutString(aResultStr);
    }
}

void SbRtl_Oct(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariableRef pArg = rPar.Get(1);
    // converting value to unsigned and limit to 2 or 4 byte representation
    sal_uInt32 nVal = pArg->IsInteger() ?
        static_cast<sal_uInt16>(pArg->GetInteger()) :
        static_cast<sal_uInt32>(pArg->GetLong());
    rPar.Get(0)->PutString(OUString::number(nVal, 8));
}

// Replace(expression, find, replace[, start[, count[, compare]]])

void SbRtl_Replace(StarBASIC *, SbxArray & rPar, bool)
{
    const sal_uInt32 nArgCount = rPar.Count() - 1;
    if ( nArgCount < 3 || nArgCount > 6 )
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    sal_Int32 lStartPos = 1;
    if (nArgCount >= 4)
    {
        if (rPar.Get(4)->GetType() != SbxEMPTY)
        {
            lStartPos = rPar.Get(4)->GetLong();
        }
        if (lStartPos < 1)
        {
            return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
        }
    }
    --lStartPos; // Make it 0-based

    sal_Int32 lCount = -1;
    if (nArgCount >= 5)
    {
        if (rPar.Get(5)->GetType() != SbxEMPTY)
        {
            lCount = rPar.Get(5)->GetLong();
        }
        if (lCount < -1)
        {
            return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
        }
    }

    bool bCaseInsensitive;
    if (nArgCount == 6)
    {
        bCaseInsensitive = rPar.Get(6)->GetInteger();
    }
    else
    {
        SbiInstance* pInst = GetSbData()->pInst;
        if (pInst && pInst->IsCompatibility())
        {
            SbiRuntime* pRT = pInst->pRun;
            bCaseInsensitive = pRT && pRT->IsImageFlag(SbiImageFlags::COMPARETEXT);
        }
        else
        {
            bCaseInsensitive = true;
        }
    }

    const OUString aExpStr = rPar.Get(1)->GetOUString();
    OUString aFindStr = rPar.Get(2)->GetOUString();
    const OUString aReplaceStr = rPar.Get(3)->GetOUString();

    OUString aSrcStr(aExpStr);
    sal_Int32 nPrevPos = std::min(lStartPos, aSrcStr.getLength());
    css::uno::Sequence<sal_Int32> aOffset;
    if (bCaseInsensitive)
    {
        // tdf#132389: case-insensitive operation for non-ASCII characters
        // tdf#142487: use css::i18n::Transliteration to correctly handle ß -> ss expansion
        // tdf#132388: We can't use utl::TextSearch (css::i18n::XTextSearch), because each call to
        //             css::i18n::XTextSearch::SearchForward transliterates input string, making
        //             performance of repeated calls unacceptable
        auto xTrans = css::i18n::Transliteration::create(comphelper::getProcessComponentContext());
        xTrans->loadModule(css::i18n::TransliterationModules_IGNORE_CASE, {});
        aFindStr = xTrans->transliterate(aFindStr, 0, aFindStr.getLength(), aOffset);
        aSrcStr = xTrans->transliterate(aSrcStr, nPrevPos, aSrcStr.getLength() - nPrevPos, aOffset);
        nPrevPos = std::distance(aOffset.begin(),
                                 std::lower_bound(aOffset.begin(), aOffset.end(), nPrevPos));
    }

    auto getExpStrPos = [aOffset, nExpLen = aExpStr.getLength()](sal_Int32 nSrcStrPos) -> sal_Int32
    {
        assert(!aOffset.hasElements() || aOffset.getLength() >= nSrcStrPos);
        if (!aOffset.hasElements())
            return nSrcStrPos;
        return aOffset.getLength() > nSrcStrPos ? aOffset[nSrcStrPos] : nExpLen;
    };

    // Note: the result starts from lStartPos, removing everything to the left. See i#94895.
    OUStringBuffer sResult(aSrcStr.getLength() - nPrevPos);
    sal_Int32 nCounts = 0;
    while (lCount == -1 || lCount > nCounts)
    {
        sal_Int32 nPos = aSrcStr.indexOf(aFindStr, nPrevPos);
        if (nPos < 0)
            break;

        lStartPos = getExpStrPos(nPrevPos);
        sResult.append(aExpStr.getStr() + lStartPos, getExpStrPos(nPos) - lStartPos);
        sResult.append(aReplaceStr);
        nPrevPos = nPos + aFindStr.getLength();
        nCounts++;
    }
    lStartPos = getExpStrPos(nPrevPos);
    sResult.append(aExpStr.getStr() + lStartPos, aExpStr.getLength() - lStartPos);
    rPar.Get(0)->PutString(sResult.makeStringAndClear());
}

void SbRtl_Right(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 3)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    const OUString aStr = rPar.Get(1)->GetOUString();
    int nResultLen = rPar.Get(2)->GetLong();
    if( nResultLen < 0 )
    {
        nResultLen = 0;
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    int nStrLen = aStr.getLength();
    if ( nResultLen > nStrLen )
    {
        nResultLen = nStrLen;
    }
    OUString aResultStr = aStr.copy( nStrLen - nResultLen );
    rPar.Get(0)->PutString(aResultStr);
}

void SbRtl_RTL(StarBASIC * pBasic, SbxArray & rPar, bool)
{
    rPar.Get(0)->PutObject(pBasic->getRTL().get());
}

void SbRtl_RTrim(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    OUString aStr(comphelper::string::stripEnd(rPar.Get(1)->GetOUString(), ' '));
    rPar.Get(0)->PutString(aStr);
}

void SbRtl_Sgn(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    double aDouble = rPar.Get(1)->GetDouble();
    sal_Int16 nResult = 0;
    if ( aDouble > 0 )
    {
        nResult = 1;
    }
    else if ( aDouble < 0 )
    {
        nResult = -1;
    }
    rPar.Get(0)->PutInteger(nResult);
}

void SbRtl_Space(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    const sal_Int32 nCount = rPar.Get(1)->GetLong();
    OUStringBuffer aBuf(nCount);
    string::padToLength(aBuf, nCount, ' ');
    rPar.Get(0)->PutString(aBuf.makeStringAndClear());
}

void SbRtl_Sqr(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    double aDouble = rPar.Get(1)->GetDouble();
    if ( aDouble < 0 )
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    rPar.Get(0)->PutDouble(sqrt(aDouble));
}

void SbRtl_Str(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    OUString aStr;
    OUString aStrNew;
    SbxVariableRef pArg = rPar.Get(1);
    const SbxDataType argType = pArg->GetType();
    if (argType == SbxSTRING)
    {
        // From Help: "If a string is passed as argument, it is returned without any changes"
        aStr = pArg->GetOUString();
    }
    else
    {
        pArg->Format(aStr);
    }

    // Numbers start with a space
    if (argType != SbxBOOL && argType != SbxSTRING && pArg->IsNumericRTL())
    {
        // replace commas by points so that it's symmetric to Val!
        aStr = aStr.replaceFirst( ",", "." );

        SbiInstance* pInst = GetSbData()->pInst;
        bool bCompatibility = ( pInst && pInst->IsCompatibility() );
        if( bCompatibility )
        {
            sal_Int32 nLen = aStr.getLength();

            const sal_Unicode* pBuf = aStr.getStr();

            bool bNeg = ( pBuf[0] == '-' );
            sal_Int32 iZeroSearch = 0;
            if( bNeg )
            {
                aStrNew += "-";
                iZeroSearch++;
            }
            else
            {
                if( pBuf[0] != ' ' )
                {
                    aStrNew += " ";
                }
            }
            sal_Int32 iNext = iZeroSearch + 1;
            if( pBuf[iZeroSearch] == '0' && nLen > iNext && pBuf[iNext] == '.' )
            {
                iZeroSearch += 1;
            }
            aStrNew += aStr.subView(iZeroSearch);
        }
        else
        {
            if (!aStr.startsWith("-"))
                aStrNew = " ";
            aStrNew += aStr;
        }
    }
    else
    {
        aStrNew = aStr;
    }
    rPar.Get(0)->PutString(aStrNew);
}

void SbRtl_StrComp(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 3)
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
        rPar.Get(0)->PutEmpty();
        return;
    }
    const OUString aStr1 = rPar.Get(1)->GetOUString();
    const OUString aStr2 = rPar.Get(2)->GetOUString();

    SbiInstance* pInst = GetSbData()->pInst;
    bool bTextCompare;
    bool bCompatibility = ( pInst && pInst->IsCompatibility() );
    if( bCompatibility )
    {
        SbiRuntime* pRT = pInst->pRun;
        bTextCompare = pRT && pRT->IsImageFlag( SbiImageFlags::COMPARETEXT );
    }
    else
    {
        bTextCompare = true;
    }
    if (rPar.Count() == 4)
        bTextCompare = rPar.Get(3)->GetInteger();

    if( !bCompatibility )
    {
        bTextCompare = !bTextCompare;
    }
    sal_Int32 nRetValue = 0;
    if( bTextCompare )
    {
        ::utl::TransliterationWrapper* pTransliterationWrapper = GetSbData()->pTransliterationWrapper.get();
        if( !pTransliterationWrapper )
        {
            const uno::Reference< uno::XComponentContext >& xContext = getProcessComponentContext();
            GetSbData()->pTransliterationWrapper.reset(
                new ::utl::TransliterationWrapper( xContext,
                    TransliterationFlags::IGNORE_CASE |
                    TransliterationFlags::IGNORE_KANA |
                    TransliterationFlags::IGNORE_WIDTH ) );
            pTransliterationWrapper = GetSbData()->pTransliterationWrapper.get();
        }

        LanguageType eLangType = Application::GetSettings().GetLanguageTag().getLanguageType();
        pTransliterationWrapper->loadModuleIfNeeded( eLangType );
        nRetValue = pTransliterationWrapper->compareString( aStr1, aStr2 );
    }
    else
    {
        sal_Int32 aResult;
        aResult = aStr1.compareTo( aStr2 );
        if ( aResult < 0  )
        {
            nRetValue = -1;
        }
        else if ( aResult > 0)
        {
            nRetValue = 1;
        }
    }
    rPar.Get(0)->PutInteger(sal::static_int_cast<sal_Int16>(nRetValue));
}

void SbRtl_String(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    sal_Unicode aFiller;
    sal_Int32 lCount = rPar.Get(1)->GetLong();
    if( lCount < 0 || lCount > 0xffff )
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    if (rPar.Get(2)->GetType() == SbxINTEGER)
    {
        aFiller = static_cast<sal_Unicode>(rPar.Get(2)->GetInteger());
    }
    else
    {
        const OUString aStr = rPar.Get(2)->GetOUString();
        aFiller = aStr[0];
    }
    OUStringBuffer aBuf(lCount);
    string::padToLength(aBuf, lCount, aFiller);
    rPar.Get(0)->PutString(aBuf.makeStringAndClear());
}

void SbRtl_Tab(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    const sal_Int32 nCount = std::max(rPar.Get(1)->GetLong(), sal_Int32(0));
    OUStringBuffer aStr(nCount);
    comphelper::string::padToLength(aStr, nCount, '\t');
    rPar.Get(0)->PutString(aStr.makeStringAndClear());
}

void SbRtl_Tan(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    SbxVariableRef pArg = rPar.Get(1);
    rPar.Get(0)->PutDouble(tan(pArg->GetDouble()));
}

void SbRtl_UCase(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }

    const CharClass& rCharClass = GetCharClass();
    OUString aStr(rPar.Get(1)->GetOUString());
    aStr = rCharClass.uppercase( aStr );
    rPar.Get(0)->PutString(aStr);
}

void SbRtl_Val(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);
    }
    double nResult = 0.0;

    OUString aStr(rPar.Get(1)->GetOUString());

    FilterWhiteSpace( aStr );
    if ( aStr.getLength() > 1 && aStr[0] == '&' )
    {
        sal_Unicode aChar = aStr[1];
        if ( aChar == 'h' || aChar == 'H' )
        {
            nResult = static_cast<sal_Int16>(o3tl::toInt64(aStr.subView(2), 16));
        }
        else if ( aChar == 'o' || aChar == 'O' )
        {
            nResult = static_cast<sal_Int16>(o3tl::toInt64(aStr.subView(2), 8));
        }
    }
    else
    {
        rtl_math_ConversionStatus eStatus = rtl_math_ConversionStatus_Ok;
        sal_Int32 nParseEnd = 0;
        nResult = ::rtl::math::stringToDouble( aStr, '.', ',', &eStatus, &nParseEnd );
        if ( eStatus != rtl_math_ConversionStatus_Ok )
            StarBASIC::Error( ERRCODE_BASIC_MATH_OVERFLOW );
        /* TODO: we should check whether all characters were parsed here,
         * but earlier code silently ignored trailing nonsense such as "1x"
         * resulting in 1 with the side effect that any alpha-only-string
         * like "x" resulted in 0. Not changing that now (2013-03-22) as
         * user macros may rely on it. */
#if 0
        else if ( nParseEnd != aStr.getLength() )
            StarBASIC::Error( ERRCODE_BASIC_CONVERSION );
#endif
    }

    rPar.Get(0)->PutDouble(nResult);
}

// Helper functions for date conversion
sal_Int16 implGetDateDay( double aDate )
{
    aDate = floor( aDate );
    Date aRefDate(1899'12'30);
    aRefDate.AddDays( aDate );

    sal_Int16 nRet = static_cast<sal_Int16>( aRefDate.GetDay() );
    return nRet;
}

sal_Int16 implGetDateMonth( double aDate )
{
    Date aRefDate(1899'12'30);
    sal_Int32 nDays = static_cast<sal_Int32>(aDate);
    aRefDate.AddDays( nDays );
    sal_Int16 nRet = static_cast<sal_Int16>( aRefDate.GetMonth() );
    return nRet;
}

css::util::Date SbxDateToUNODate( const SbxValue* const pVal )
{
    double aDate = pVal->GetDate();

    css::util::Date aUnoDate;
    aUnoDate.Day   = implGetDateDay  ( aDate );
    aUnoDate.Month = implGetDateMonth( aDate );
    aUnoDate.Year  = implGetDateYear ( aDate );

    return aUnoDate;
}

void SbxDateFromUNODate( SbxValue *pVal, const css::util::Date& aUnoDate)
{
    double dDate;
    if( implDateSerial( aUnoDate.Year, aUnoDate.Month, aUnoDate.Day, false, SbDateCorrection::None, dDate ) )
    {
        pVal->PutDate( dDate );
    }
}

// Function to convert date to UNO date (com.sun.star.util.Date)
void SbRtl_CDateToUnoDate(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    unoToSbxValue(rPar.Get(0), Any(SbxDateToUNODate(rPar.Get(1))));
}

// Function to convert date from UNO date (com.sun.star.util.Date)
void SbRtl_CDateFromUnoDate(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2 || rPar.Get(1)->GetType() != SbxOBJECT)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    Any aAny(sbxToUnoValue(rPar.Get(1), cppu::UnoType<css::util::Date>::get()));
    css::util::Date aUnoDate;
    if(aAny >>= aUnoDate)
        SbxDateFromUNODate(rPar.Get(0), aUnoDate);
    else
        SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
}

css::util::Time SbxDateToUNOTime( const SbxValue* const pVal )
{
    double aDate = pVal->GetDate();

    css::util::Time aUnoTime;
    aUnoTime.Hours       = implGetHour      ( aDate );
    aUnoTime.Minutes     = implGetMinute    ( aDate );
    aUnoTime.Seconds     = implGetSecond    ( aDate );
    aUnoTime.NanoSeconds = implGetNanoSecond( aDate );

    return aUnoTime;
}

void SbxDateFromUNOTime( SbxValue *pVal, const css::util::Time& aUnoTime)
{
    pVal->PutDate(implTimeSerial(aUnoTime.Hours, aUnoTime.Minutes, aUnoTime.Seconds,
                                 nanoSecToMilliSec(aUnoTime.NanoSeconds)));
}

// Function to convert date to UNO time (com.sun.star.util.Time)
void SbRtl_CDateToUnoTime(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    unoToSbxValue(rPar.Get(0), Any(SbxDateToUNOTime(rPar.Get(1))));
}

// Function to convert date from UNO time (com.sun.star.util.Time)
void SbRtl_CDateFromUnoTime(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2 || rPar.Get(1)->GetType() != SbxOBJECT)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    Any aAny(sbxToUnoValue(rPar.Get(1), cppu::UnoType<css::util::Time>::get()));
    css::util::Time aUnoTime;
    if(aAny >>= aUnoTime)
        SbxDateFromUNOTime(rPar.Get(0), aUnoTime);
    else
        SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
}

css::util::DateTime SbxDateToUNODateTime( const SbxValue* const pVal )
{
    double aDate = pVal->GetDate();

    css::util::DateTime aUnoDT;
    aUnoDT.Day   = implGetDateDay  ( aDate );
    aUnoDT.Month = implGetDateMonth( aDate );
    aUnoDT.Year  = implGetDateYear ( aDate );
    aUnoDT.Hours       = implGetHour      ( aDate );
    aUnoDT.Minutes     = implGetMinute    ( aDate );
    aUnoDT.Seconds     = implGetSecond    ( aDate );
    aUnoDT.NanoSeconds = implGetNanoSecond( aDate );

    return aUnoDT;
}

void SbxDateFromUNODateTime( SbxValue *pVal, const css::util::DateTime& aUnoDT)
{
    double dDate(0.0);
    if (implDateTimeSerial(aUnoDT.Year, aUnoDT.Month, aUnoDT.Day, aUnoDT.Hours, aUnoDT.Minutes,
                           aUnoDT.Seconds, nanoSecToMilliSec(aUnoDT.NanoSeconds), dDate))
    {
        pVal->PutDate( dDate );
    }
}

// Function to convert date to UNO date (com.sun.star.util.Date)
void SbRtl_CDateToUnoDateTime(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    unoToSbxValue(rPar.Get(0), Any(SbxDateToUNODateTime(rPar.Get(1))));
}

// Function to convert date from UNO date (com.sun.star.util.Date)
void SbRtl_CDateFromUnoDateTime(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2 || rPar.Get(1)->GetType() != SbxOBJECT)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    Any aAny(sbxToUnoValue(rPar.Get(1), cppu::UnoType<css::util::DateTime>::get()));
    css::util::DateTime aUnoDT;
    if(aAny >>= aUnoDT)
        SbxDateFromUNODateTime(rPar.Get(0), aUnoDT);
    else
        SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
}

// Function to convert date to ISO 8601 date format YYYYMMDD
void SbRtl_CDateToIso(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error(ERRCODE_BASIC_BAD_ARGUMENT);

    double aDate = rPar.Get(1)->GetDate();

    // Date may actually even be -YYYYYMMDD
    char Buffer[11];
    sal_Int16 nYear = implGetDateYear(aDate);
    snprintf(Buffer, sizeof(Buffer), (nYear < 0 ? "%05d%02d%02d" : "%04d%02d%02d"),
             static_cast<int>(nYear), static_cast<int>(implGetDateMonth(aDate)),
             static_cast<int>(implGetDateDay(aDate)));
    OUString aRetStr = OUString::createFromAscii(Buffer);
    rPar.Get(0)->PutString(aRetStr);
}

// Function to convert date from ISO 8601 date format YYYYMMDD or YYYY-MM-DD
// And even YYMMDD for compatibility, sigh...
void SbRtl_CDateFromIso(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() == 2)
    {
        do
        {
            OUString aStr = rPar.Get(1)->GetOUString();
            if (aStr.isEmpty())
                break;

            // Valid formats are
            // YYYYMMDD    -YYYMMDD     YYYYYMMDD    -YYYYYMMDD    YYMMDD
            // YYYY-MM-DD  -YYYY-MM-DD  YYYYY-MM-DD  -YYYYY-MM-DD

            sal_Int32 nSign = 1;
            if (aStr[0] == '-')
            {
                nSign = -1;
                aStr = aStr.copy(1);
            }
            const sal_Int32 nLen = aStr.getLength();

            // Signed YYMMDD two digit year is invalid.
            if (nLen == 6 && nSign == -1)
                break;

            // Now valid
            // YYYYMMDD    YYYYYMMDD    YYMMDD
            // YYYY-MM-DD  YYYYY-MM-DD
            if (nLen != 6 && (nLen < 8 || 11 < nLen))
                break;

            bool bUseTwoDigitYear = false;
            std::u16string_view aYearStr, aMonthStr, aDayStr;
            if (nLen == 6 || nLen == 8 || nLen == 9)
            {
                // ((Y)YY)YYMMDD
                if (!comphelper::string::isdigitAsciiString(aStr))
                    break;

                const sal_Int32 nMonthPos = (nLen == 8 ? 4 : (nLen == 6 ? 2 : 5));
                if (nMonthPos == 2)
                    bUseTwoDigitYear = true;
                aYearStr  = aStr.subView( 0, nMonthPos );
                aMonthStr = aStr.subView( nMonthPos, 2 );
                aDayStr   = aStr.subView( nMonthPos + 2, 2 );
            }
            else
            {
                // (Y)YYYY-MM-DD
                const sal_Int32 nMonthSep = (nLen == 11 ? 5 : 4);
                if (aStr.indexOf('-') != nMonthSep)
                    break;
                if (aStr.indexOf('-', nMonthSep + 1) != nMonthSep + 3)
                    break;

                aYearStr  = aStr.subView( 0, nMonthSep );
                aMonthStr = aStr.subView( nMonthSep + 1, 2 );
                aDayStr   = aStr.subView( nMonthSep + 4, 2 );
                if (    !comphelper::string::isdigitAsciiString(aYearStr) ||
                        !comphelper::string::isdigitAsciiString(aMonthStr) ||
                        !comphelper::string::isdigitAsciiString(aDayStr))
                    break;
            }

            double dDate;
            if (!implDateSerial( static_cast<sal_Int16>(nSign * o3tl::toInt32(aYearStr)),
                        static_cast<sal_Int16>(o3tl::toInt32(aMonthStr)), static_cast<sal_Int16>(o3tl::toInt32(aDayStr)),
                        bUseTwoDigitYear, SbDateCorrection::None, dDate ))
                break;

            rPar.Get(0)->PutDate(dDate);

            return;
        }
        while (false);

        SbxBase::SetError( ERRCODE_BASIC_BAD_PARAMETER );
    }
    else
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
}

void SbRtl_DateSerial(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 4)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    sal_Int16 nYear = rPar.Get(1)->GetInteger();
    sal_Int16 nMonth = rPar.Get(2)->GetInteger();
    sal_Int16 nDay = rPar.Get(3)->GetInteger();

    double dDate;
    if( implDateSerial( nYear, nMonth, nDay, true, SbDateCorrection::RollOver, dDate ) )
    {
        rPar.Get(0)->PutDate(dDate);
    }
}

void SbRtl_TimeSerial(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 4)
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    sal_Int16 nHour = rPar.Get(1)->GetInteger();
    if ( nHour == 24 )
    {
        nHour = 0;                      // because of UNO DateTimes, which go till 24 o'clock
    }
    sal_Int16 nMinute = rPar.Get(2)->GetInteger();
    sal_Int16 nSecond = rPar.Get(3)->GetInteger();
    if ((nHour < 0 || nHour > 23)   ||
        (nMinute < 0 || nMinute > 59 )  ||
        (nSecond < 0 || nSecond > 59 ))
    {
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }

    rPar.Get(0)->PutDate(implTimeSerial(nHour, nMinute, nSecond, 0)); // JSM
}

void SbRtl_DateValue(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    else
    {
        // #39629 check GetSbData()->pInst, can be called from the URL line
        std::shared_ptr<SvNumberFormatter> pFormatter;
        if( GetSbData()->pInst )
        {
            pFormatter = GetSbData()->pInst->GetNumberFormatter();
        }
        else
        {
            sal_uInt32 n;   // Dummy
            pFormatter = SbiInstance::PrepareNumberFormatter( n, n, n );
        }

        LanguageType eLangType = Application::GetSettings().GetLanguageTag().getLanguageType();
        sal_uInt32 nIndex = pFormatter->GetStandardIndex( eLangType);
        double fResult;
        OUString aStr(rPar.Get(1)->GetOUString());
        bool bSuccess = pFormatter->IsNumberFormat( aStr, nIndex, fResult );
        SvNumFormatType nType = pFormatter->GetType( nIndex );

        // DateValue("February 12, 1969") raises error if the system locale is not en_US
        // It seems that both locale number formatter and English number
        // formatter are supported in Visual Basic.
        if( !bSuccess && ( eLangType != LANGUAGE_ENGLISH_US ) )
        {
            // Try using LANGUAGE_ENGLISH_US to get the date value.
            nIndex = pFormatter->GetStandardIndex( LANGUAGE_ENGLISH_US);
            bSuccess = pFormatter->IsNumberFormat( aStr, nIndex, fResult );
            nType = pFormatter->GetType( nIndex );
        }

        if(bSuccess && (nType==SvNumFormatType::DATE || nType==SvNumFormatType::DATETIME))
        {
            if ( nType == SvNumFormatType::DATETIME )
            {
                // cut time
                if ( fResult  > 0.0 )
                {
                    fResult = floor( fResult );
                }
                else
                {
                    fResult = ceil( fResult );
                }
            }
            rPar.Get(0)->PutDate(fResult);
        }
        else
        {
            StarBASIC::Error( ERRCODE_BASIC_CONVERSION );
        }
    }
}

void SbRtl_TimeValue(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() < 2)
    {
        StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    }
    else
    {
        std::shared_ptr<SvNumberFormatter> pFormatter;
        if( GetSbData()->pInst )
            pFormatter = GetSbData()->pInst->GetNumberFormatter();
        else
        {
            sal_uInt32 n;
            pFormatter = SbiInstance::PrepareNumberFormatter( n, n, n );
        }

        sal_uInt32 nIndex = 0;
        double fResult;
        bool bSuccess = pFormatter->IsNumberFormat(rPar.Get(1)->GetOUString(),
                                                   nIndex, fResult );
        SvNumFormatType nType = pFormatter->GetType(nIndex);
        if(bSuccess && (nType==SvNumFormatType::TIME||nType==SvNumFormatType::DATETIME))
        {
            if ( nType == SvNumFormatType::DATETIME )
            {
                // cut days
                fResult = fmod( fResult, 1 );
            }
            rPar.Get(0)->PutDate(fResult);
        }
        else
        {
            StarBASIC::Error( ERRCODE_BASIC_CONVERSION );
        }
    }
}

void SbRtl_Day(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    SbxVariableRef pArg = rPar.Get(1);
    double aDate = pArg->GetDate();

    sal_Int16 nDay = implGetDateDay( aDate );
    rPar.Get(0)->PutInteger(nDay);
}

void SbRtl_Year(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    sal_Int16 nYear = implGetDateYear(rPar.Get(1)->GetDate());
    rPar.Get(0)->PutInteger(nYear);
}

sal_Int16 implGetHour( double dDate )
{
    double nFrac = (dDate - floor(dDate)) * ::tools::Time::milliSecPerDay;
    sal_uInt64 nMilliSeconds = static_cast<sal_uInt64>(nFrac + 0.5);
    return static_cast<sal_Int16>((nMilliSeconds / ::tools::Time::milliSecPerHour)
                                  % ::tools::Time::hourPerDay);
}

void SbRtl_Hour(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    double nArg = rPar.Get(1)->GetDate();
    sal_Int16 nHour = implGetHour( nArg );
    rPar.Get(0)->PutInteger(nHour);
}

void SbRtl_Minute(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    double nArg = rPar.Get(1)->GetDate();
    sal_Int16 nMin = implGetMinute( nArg );
    rPar.Get(0)->PutInteger(nMin);
}

void SbRtl_Month(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    sal_Int16 nMonth = implGetDateMonth(rPar.Get(1)->GetDate());
    rPar.Get(0)->PutInteger(nMonth);
}

sal_Int16 implGetSecond( double dDate )
{
    double nFrac = (dDate - floor(dDate)) * ::tools::Time::milliSecPerDay;
    sal_uInt64 nMilliSeconds = static_cast<sal_uInt64>(nFrac + 0.5);
    return static_cast<sal_Int16>((nMilliSeconds / ::tools::Time::milliSecPerSec)
                                  % ::tools::Time::secondPerMinute);
}

sal_Int32 implGetNanoSecond(double dDate)
{
    double nFrac = (dDate - floor(dDate)) * ::tools::Time::milliSecPerDay;
    sal_uInt64 nMilliSeconds = static_cast<sal_uInt64>(nFrac + 0.5);
    nMilliSeconds %= ::tools::Time::milliSecPerSec;

    return static_cast<sal_Int32>(nMilliSeconds * ::tools::Time ::nanoPerMilli);
}

void SbRtl_Second(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );
    double nArg = rPar.Get(1)->GetDate();
    sal_Int16 nSecond = implGetSecond( nArg );
    rPar.Get(0)->PutInteger(nSecond);
}

double Now_Impl()
{
    // tdf#161469 - align implementation with the now function in calc, i.e., include subseconds
    DateTime aActTime(DateTime::SYSTEM);
    return static_cast<double>(GetDayDiff(aActTime))
           + implTimeSerial(aActTime.GetHour(), aActTime.GetMin(), aActTime.GetSec(),
                            nanoSecToMilliSec(aActTime.GetNanoSec()));
}

// Date Now()

void SbRtl_Now(StarBASIC*, SbxArray& rPar, bool)
{
    if (rPar.Count() != 1)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    rPar.Get(0)->PutDate(Now_Impl());
}

// Date Time()

void SbRtl_Time(StarBASIC *, SbxArray & rPar, bool bWrite)
{
    if ( !bWrite )
    {
        tools::Time aTime( tools::Time::SYSTEM );
        SbxVariable* pMeth = rPar.Get(0);
        if (!pMeth->IsString())
        {
            pMeth->PutDate(aTime.GetTimeInDays());
            return;
        }
        OUString aRes;
        if( pMeth->IsFixed() )
        {
            // Time$: hh:mm:ss
            char buf[ 20 ];
            snprintf( buf, sizeof(buf), "%02d:%02d:%02d",
                      aTime.GetHour(), aTime.GetMin(), aTime.GetSec() );
            aRes = OUString::createFromAscii( buf );
        }
        else
        {
            // Time: system dependent
            tools::Long nSeconds=aTime.GetHour();
            nSeconds *= 3600;
            nSeconds += aTime.GetMin() * 60;
            nSeconds += aTime.GetSec();
            double nDays = static_cast<double>(nSeconds) * ( 1.0 / (24.0*3600.0) );
            const Color* pCol;

            std::shared_ptr<SvNumberFormatter> pFormatter;
            sal_uInt32 nIndex;
            if( GetSbData()->pInst )
            {
                pFormatter = GetSbData()->pInst->GetNumberFormatter();
                nIndex = GetSbData()->pInst->GetStdTimeIdx();
            }
            else
            {
                sal_uInt32 n;   // Dummy
                pFormatter = SbiInstance::PrepareNumberFormatter( n, nIndex, n );
            }

            pFormatter->GetOutputString( nDays, nIndex, aRes, &pCol );
        }
        pMeth->PutString( aRes );
    }
    else
    {
        StarBASIC::Error( ERRCODE_BASIC_NOT_IMPLEMENTED );
    }
}

void SbRtl_Timer(StarBASIC *, SbxArray & rPar, bool)
{
    tools::Time aTime( tools::Time::SYSTEM );
    tools::Long nSeconds = aTime.GetHour();
    nSeconds *= 3600;
    nSeconds += aTime.GetMin() * 60;
    nSeconds += aTime.GetSec();
    rPar.Get(0)->PutDate(static_cast<double>(nSeconds));
}

void SbRtl_Date(StarBASIC *, SbxArray & rPar, bool bWrite)
{
    if ( !bWrite )
    {
        Date aToday( Date::SYSTEM );
        double nDays = static_cast<double>(GetDayDiff( aToday ));
        SbxVariable* pMeth = rPar.Get(0);
        if( pMeth->IsString() )
        {
            OUString aRes;
            const Color* pCol;

            std::shared_ptr<SvNumberFormatter> pFormatter;
            sal_uInt32 nIndex;
            if( GetSbData()->pInst )
            {
                pFormatter = GetSbData()->pInst->GetNumberFormatter();
                nIndex = GetSbData()->pInst->GetStdDateIdx();
            }
            else
            {
                sal_uInt32 n;
                pFormatter = SbiInstance::PrepareNumberFormatter( nIndex, n, n );
            }

            pFormatter->GetOutputString( nDays, nIndex, aRes, &pCol );
            pMeth->PutString( aRes );
        }
        else
        {
            pMeth->PutDate( nDays );
        }
    }
    else
    {
        StarBASIC::Error( ERRCODE_BASIC_NOT_IMPLEMENTED );
    }
}

void SbRtl_IsArray(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    rPar.Get(0)->PutBool((rPar.Get(1)->GetType() & SbxARRAY) != 0);
}

void SbRtl_IsObject(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    SbxVariable* pVar = rPar.Get(1);
    bool bObject = pVar->IsObject();
    SbxBase* pObj = (bObject ? pVar->GetObject() : nullptr);

    if( auto pUnoClass = dynamic_cast<SbUnoClass*>( pObj) )
    {
        bObject = pUnoClass->getUnoClass().is();
    }
    rPar.Get(0)->PutBool(bObject);
}

void SbRtl_IsDate(StarBASIC *, SbxArray & rPar, bool)
{
    if (rPar.Count() != 2)
        return StarBASIC::Error( ERRCODE_BASIC_BAD_ARGUMENT );

    // #46134 only string is converted, all other types result in sal_False
    SbxVariableRef xArg = rPar.Get(1);
    SbxDataType eType = xArg->GetType();
    bool bDate = false;

    if( eType == SbxDATE )
    {
        bDate = true;
    }
    else if( eType == SbxSTRING )
    {
        ErrCode nPrevError = SbxBase::GetError();
        SbxBase::ResetError();

        // force conversion of the parameter to SbxDATE
        xArg->SbxValue::GetDate();

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