basic/source/sbx/sbxlng.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/errcode.hxx>
  21 #include <basic/sbx.hxx>
  22 #include "sbxconv.hxx"
  23
  24 #include <rtl/math.hxx>
  25
  26 sal_Int32 ImpGetLong( const SbxValues* p )
  27 {
  28     SbxValues aTmp;
  29     sal_Int32 nRes;
  30 start:
  31     switch( +p->eType )
  32     {
  33         case SbxNULL:
  34             SbxBase::SetError( ERRCODE_SBX_CONVERSION );
  35             SAL_FALLTHROUGH;
  36         case SbxEMPTY:
  37             nRes = 0; break;
  38         case SbxCHAR:
  39             nRes = p->nChar; break;
  40         case SbxBYTE:
  41             nRes = p->nByte; break;
  42         case SbxINTEGER:
  43         case SbxBOOL:
  44             nRes = p->nInteger; break;
  45         case SbxERROR:
  46         case SbxUSHORT:
  47             nRes = p->nUShort; break;
  48         case SbxLONG:
  49             nRes = p->nLong; break;
  50         case SbxULONG:
  51             if( p->nULong > SbxMAXLNG )
  52             {
  53                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMAXLNG;
  54             }
  55             else
  56                 nRes = (sal_Int32) p->nULong;
  57             break;
  58         case SbxSINGLE:
  59             if( p->nSingle > SbxMAXLNG )
  60             {
  61                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMAXLNG;
  62             }
  63             else if( p->nSingle < SbxMINLNG )
  64             {
  65                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMINLNG;
  66             }
  67             else
  68                 nRes = (sal_Int32) rtl::math::round( p->nSingle );
  69             break;
  70         case SbxSALINT64:
  71             nRes = p->nInt64;
  72             break;
  73         case SbxSALUINT64:
  74             nRes = p->uInt64;
  75             break;
  76         case SbxCURRENCY:
  77         {
  78             sal_Int64  tstVal = p->nInt64 / CURRENCY_FACTOR;
  79             nRes = (sal_Int32) (tstVal);
  80             if( tstVal < SbxMINLNG || SbxMAXLNG < tstVal )  SbxBase::SetError( ERRCODE_SBX_OVERFLOW );
  81             if( SbxMAXLNG < tstVal ) nRes = SbxMAXLNG;
  82             if( tstVal < SbxMINLNG ) nRes = SbxMINLNG;
  83             break;
  84         }
  85         case SbxDATE:
  86         case SbxDOUBLE:
  87         case SbxDECIMAL:
  88         case SbxBYREF | SbxDECIMAL:
  89             {
  90             double dVal;
  91             if( p->eType == SbxDECIMAL )
  92             {
  93                 dVal = 0.0;
  94                 if( p->pDecimal )
  95                     p->pDecimal->getDouble( dVal );
  96             }
  97             else
  98                 dVal = p->nDouble;
  99
 100             if( dVal > SbxMAXLNG )
 101             {
 102                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMAXLNG;
 103             }
 104             else if( dVal < SbxMINLNG )
 105             {
 106                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMINLNG;
 107             }
 108             else
 109                 nRes = (sal_Int32) rtl::math::round( dVal );
 110             break;
 111             }
 112         case SbxBYREF | SbxSTRING:
 113         case SbxSTRING:
 114         case SbxLPSTR:
 115             if( !p->pOUString )
 116                 nRes = 0;
 117             else
 118             {
 119                 double d;
 120                 SbxDataType t;
 121                 if( ImpScan( *p->pOUString, d, t, nullptr ) != ERRCODE_SBX_OK )
 122                     nRes = 0;
 123                 else if( d > SbxMAXLNG )
 124                 {
 125                     SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMAXLNG;
 126                 }
 127                 else if( d < SbxMINLNG )
 128                 {
 129                     SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); nRes = SbxMINLNG;
 130                 }
 131                 else
 132                     nRes = (sal_Int32) rtl::math::round( d );
 133             }
 134             break;
 135         case SbxOBJECT:
 136         {
 137             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 138             if( pVal )
 139                 nRes = pVal->GetLong();
 140             else
 141             {
 142                 SbxBase::SetError( ERRCODE_SBX_NO_OBJECT ); nRes = 0;
 143             }
 144             break;
 145         }
 146
 147         case SbxBYREF | SbxCHAR:
 148             nRes = *p->pChar; break;
 149         case SbxBYREF | SbxBYTE:
 150             nRes = *p->pByte; break;
 151         case SbxBYREF | SbxINTEGER:
 152         case SbxBYREF | SbxBOOL:
 153             nRes = *p->pInteger; break;
 154         case SbxBYREF | SbxLONG:
 155             nRes = *p->pLong; break;
 156
 157         // from here had to be tested
 158         case SbxBYREF | SbxULONG:
 159             aTmp.nULong = *p->pULong; goto ref;
 160         case SbxBYREF | SbxERROR:
 161         case SbxBYREF | SbxUSHORT:
 162             aTmp.nUShort = *p->pUShort; goto ref;
 163         case SbxBYREF | SbxSINGLE:
 164             aTmp.nSingle = *p->pSingle; goto ref;
 165         case SbxBYREF | SbxDATE:
 166         case SbxBYREF | SbxDOUBLE:
 167             aTmp.nDouble = *p->pDouble; goto ref;
 168         case SbxBYREF | SbxCURRENCY:
 169         case SbxBYREF | SbxSALINT64:
 170             aTmp.nInt64 = *p->pnInt64; goto ref;
 171         case SbxBYREF | SbxSALUINT64:
 172             aTmp.uInt64 = *p->puInt64; goto ref;
 173
 174         ref:
 175             aTmp.eType = SbxDataType( p->eType & 0x0FFF );
 176             p = &aTmp; goto start;
 177
 178         default:
 179             SbxBase::SetError( ERRCODE_SBX_CONVERSION ); nRes = 0;
 180     }
 181     return nRes;
 182 }
 183
 184 void ImpPutLong( SbxValues* p, sal_Int32 n )
 185 {
 186     SbxValues aTmp;
 187
 188 start:
 189     switch( +p->eType )
 190     {
 191         // From here had to be tested
 192         case SbxCHAR:
 193             aTmp.pChar = &p->nChar; goto direct;
 194         case SbxBYTE:
 195             aTmp.pByte = &p->nByte; goto direct;
 196         case SbxINTEGER:
 197         case SbxBOOL:
 198             aTmp.pInteger = &p->nInteger; goto direct;
 199         case SbxULONG:
 200             aTmp.pULong = &p->nULong; goto direct;
 201         case SbxSALUINT64:
 202             aTmp.puInt64 = &p->uInt64; goto direct;
 203         case SbxERROR:
 204         case SbxUSHORT:
 205             aTmp.pUShort = &p->nUShort;
 206         direct:
 207             aTmp.eType = SbxDataType( p->eType | SbxBYREF );
 208             p = &aTmp; goto start;
 209
 210         // from here no longer
 211         case SbxLONG:
 212             p->nLong = n; break;
 213         case SbxSINGLE:
 214             p->nSingle = (float) n; break;
 215         case SbxDATE:
 216         case SbxDOUBLE:
 217             p->nDouble = n; break;
 218         case SbxCURRENCY:
 219             p->nInt64 = n * CURRENCY_FACTOR; break;
 220         case SbxSALINT64:
 221             p->nInt64 = n; break;
 222         case SbxDECIMAL:
 223         case SbxBYREF | SbxDECIMAL:
 224             ImpCreateDecimal( p )->setLong( n );
 225             break;
 226
 227         case SbxBYREF | SbxSTRING:
 228         case SbxSTRING:
 229         case SbxLPSTR:
 230             if( !p->pOUString )
 231                 p->pOUString = new OUString;
 232             ImpCvtNum( (double) n, 0, *p->pOUString );
 233             break;
 234         case SbxOBJECT:
 235         {
 236             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 237             if( pVal )
 238                 pVal->PutLong( n );
 239             else
 240                 SbxBase::SetError( ERRCODE_SBX_NO_OBJECT );
 241             break;
 242         }
 243         case SbxBYREF | SbxCHAR:
 244             if( n > SbxMAXCHAR )
 245             {
 246                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMAXCHAR;
 247             }
 248             else if( n < SbxMINCHAR )
 249             {
 250                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMINCHAR;
 251             }
 252             *p->pChar = (sal_Unicode) n; break;
 253         case SbxBYREF | SbxBYTE:
 254             if( n > SbxMAXBYTE )
 255             {
 256                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMAXBYTE;
 257             }
 258             else if( n < 0 )
 259             {
 260                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = 0;
 261             }
 262             *p->pByte = (sal_uInt8) n; break;
 263         case SbxBYREF | SbxINTEGER:
 264         case SbxBYREF | SbxBOOL:
 265             if( n > SbxMAXINT )
 266             {
 267                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMAXINT;
 268             }
 269             else if( n < SbxMININT )
 270             {
 271                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMININT;
 272             }
 273             *p->pInteger = (sal_Int16) n; break;
 274         case SbxBYREF | SbxERROR:
 275         case SbxBYREF | SbxUSHORT:
 276             if( n > SbxMAXUINT )
 277             {
 278                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = SbxMAXUINT;
 279             }
 280             else if( n < 0 )
 281             {
 282                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = 0;
 283             }
 284             *p->pUShort = (sal_uInt16) n; break;
 285         case SbxBYREF | SbxLONG:
 286             *p->pLong = n; break;
 287         case SbxBYREF | SbxULONG:
 288             if( n < 0 )
 289             {
 290                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); n = 0;
 291             }
 292             *p->pULong = (sal_uInt32) n; break;
 293         case SbxBYREF | SbxSALINT64:
 294             *p->pnInt64 = n; break;
 295         case SbxBYREF | SbxSALUINT64:
 296             if( n < 0 )
 297             {
 298                 SbxBase::SetError( ERRCODE_SBX_OVERFLOW ); *p->puInt64 = 0;
 299             }
 300             else
 301                 *p->puInt64 = n;
 302             break;
 303         case SbxBYREF | SbxSINGLE:
 304             *p->pSingle = (float) n; break;
 305         case SbxBYREF | SbxDATE:
 306         case SbxBYREF | SbxDOUBLE:
 307             *p->pDouble = (double) n; break;
 308         case SbxBYREF | SbxCURRENCY:
 309             *p->pnInt64 = (sal_Int64)n * (sal_Int64)CURRENCY_FACTOR; break;
 310         default:
 311             SbxBase::SetError( ERRCODE_SBX_CONVERSION );
 312     }
 313 }
 314
 315 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */