basic/source/sbx/sbxulng.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 <sal/config.h>
  21
  22 #include <o3tl/float_int_conversion.hxx>
  23 #include <vcl/errcode.hxx>
  24 #include <basic/sberrors.hxx>
  25 #include "sbxconv.hxx"
  26
  27 sal_uInt32 ImpGetULong( const SbxValues* p )
  28 {
  29     SbxValues aTmp;
  30     sal_uInt32 nRes;
  31 start:
  32     switch( +p->eType )
  33     {
  34         case SbxNULL:
  35             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
  36             [[fallthrough]];
  37         case SbxEMPTY:
  38             nRes = 0; break;
  39         case SbxCHAR:
  40             nRes = p->nChar;
  41             break;
  42         case SbxBYTE:
  43             nRes = p->nByte; break;
  44         case SbxINTEGER:
  45         case SbxBOOL:
  46             if( p->nInteger < 0 )
  47             {
  48                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  49             }
  50             else
  51                 nRes = p->nInteger;
  52             break;
  53         case SbxERROR:
  54         case SbxUSHORT:
  55             nRes = p->nUShort;
  56             break;
  57         case SbxLONG:
  58             if( p->nLong < 0 )
  59             {
  60                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  61             }
  62             else
  63                 nRes = p->nLong;
  64             break;
  65         case SbxULONG:
  66             nRes = p->nULong; break;
  67         case SbxSINGLE:
  68             if( !o3tl::convertsToAtMost(o3tl::roundAway(p->nSingle), SbxMAXULNG) )
  69             {
  70                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXULNG;
  71             }
  72             else if( p->nSingle < 0 )
  73             {
  74                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  75             }
  76             else
  77                 nRes = static_cast<sal_uInt32>( p->nSingle + 0.5 );
  78             break;
  79         case SbxDATE:
  80         case SbxDOUBLE:
  81         case SbxSALINT64:
  82         case SbxSALUINT64:
  83         case SbxCURRENCY:
  84         case SbxDECIMAL:
  85         case SbxBYREF | SbxDECIMAL:
  86             {
  87             double dVal;
  88             if( p->eType == SbxCURRENCY )
  89                 dVal = ImpCurrencyToDouble( p->nInt64 );
  90             else if( p->eType == SbxSALINT64 )
  91                 dVal = static_cast< double >(p->nInt64);
  92             else if( p->eType == SbxSALUINT64 )
  93                 dVal = ImpSalUInt64ToDouble( p->uInt64 );
  94             else if( p->eType == SbxDECIMAL )
  95             {
  96                 dVal = 0.0;
  97                 if( p->pDecimal )
  98                     p->pDecimal->getDouble( dVal );
  99             }
 100             else
 101                 dVal = p->nDouble;
 102
 103             if( !o3tl::convertsToAtMost(o3tl::roundAway(dVal), SbxMAXULNG) )
 104             {
 105                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXULNG;
 106             }
 107             else if( dVal < 0 )
 108             {
 109                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
 110             }
 111             else
 112                 nRes = static_cast<sal_uInt32>( dVal + 0.5 );
 113             break;
 114             }
 115         case SbxBYREF | SbxSTRING:
 116         case SbxSTRING:
 117         case SbxLPSTR:
 118             if( !p->pOUString )
 119                 nRes = 0;
 120             else
 121             {
 122                 double d;
 123                 SbxDataType t;
 124                 if( ImpScan( *p->pOUString, d, t, nullptr, false ) != ERRCODE_NONE )
 125                     nRes = 0;
 126                 else if( !o3tl::convertsToAtMost(o3tl::roundAway(d), SbxMAXULNG) )
 127                 {
 128                     SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXULNG;
 129                 }
 130                 else if( d < 0 )
 131                 {
 132                     SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
 133                 }
 134                 else
 135                     nRes = static_cast<sal_uInt32>( d + 0.5 );
 136             }
 137             break;
 138         case SbxOBJECT:
 139         {
 140             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 141             if( pVal )
 142                 nRes = pVal->GetULong();
 143             else
 144             {
 145                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); nRes = 0;
 146             }
 147             break;
 148         }
 149
 150         case SbxBYREF | SbxBYTE:
 151             nRes = *p->pByte; break;
 152         case SbxBYREF | SbxERROR:
 153         case SbxBYREF | SbxUSHORT:
 154             nRes = *p->pUShort; break;
 155         case SbxBYREF | SbxULONG:
 156             nRes = *p->pULong; break;
 157
 158         // from here on tests
 159         case SbxBYREF | SbxCHAR:
 160             aTmp.nChar = *p->pChar; goto ref;
 161         case SbxBYREF | SbxINTEGER:
 162         case SbxBYREF | SbxBOOL:
 163             aTmp.nInteger = *p->pInteger; goto ref;
 164         case SbxBYREF | SbxLONG:
 165             aTmp.nLong = *p->pLong; goto ref;
 166         case SbxBYREF | SbxSINGLE:
 167             aTmp.nSingle = *p->pSingle; goto ref;
 168         case SbxBYREF | SbxDATE:
 169         case SbxBYREF | SbxDOUBLE:
 170             aTmp.nDouble = *p->pDouble; goto ref;
 171         case SbxBYREF | SbxCURRENCY:
 172         case SbxBYREF | SbxSALINT64:
 173             aTmp.nInt64 = *p->pnInt64; goto ref;
 174         case SbxBYREF | SbxSALUINT64:
 175             aTmp.uInt64 = *p->puInt64; goto ref;
 176         ref:
 177             aTmp.eType = SbxDataType( p->eType & 0x0FFF );
 178             p = &aTmp; goto start;
 179
 180         default:
 181             SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); nRes = 0;
 182     }
 183     return nRes;
 184 }
 185
 186 void ImpPutULong( SbxValues* p, sal_uInt32 n )
 187 {
 188     SbxValues aTmp;
 189 start:
 190     switch( +p->eType )
 191     {
 192         case SbxULONG:
 193             p->nULong = n; break;
 194         case SbxSINGLE:
 195             p->nSingle = static_cast<float>(n); break;
 196         case SbxDATE:
 197         case SbxDOUBLE:
 198             p->nDouble = n; break;
 199         case SbxCURRENCY:
 200         case SbxSALINT64:
 201             aTmp.pnInt64 = &p->nInt64; goto direct;
 202         case SbxSALUINT64:
 203             p->uInt64 = n; break;
 204         case SbxDECIMAL:
 205         case SbxBYREF | SbxDECIMAL:
 206             ImpCreateDecimal( p )->setULong( n );
 207             break;
 208
 209         // from here on tests
 210         case SbxCHAR:
 211             aTmp.pChar = &p->nChar; goto direct;
 212         case SbxUINT:
 213             aTmp.pByte = &p->nByte; goto direct;
 214         case SbxINTEGER:
 215         case SbxBOOL:
 216             aTmp.pInteger = &p->nInteger; goto direct;
 217         case SbxLONG:
 218             aTmp.pLong = &p->nLong; goto direct;
 219         case SbxERROR:
 220         case SbxUSHORT:
 221             aTmp.pUShort = &p->nUShort; goto direct;
 222         direct:
 223             aTmp.eType = SbxDataType( p->eType | SbxBYREF );
 224             p = &aTmp; goto start;
 225
 226         case SbxBYREF | SbxSTRING:
 227         case SbxSTRING:
 228         case SbxLPSTR:
 229             if( !p->pOUString )
 230                 p->pOUString = new OUString;
 231             ImpCvtNum( static_cast<double>(n), 0, *p->pOUString );
 232             break;
 233         case SbxOBJECT:
 234         {
 235             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 236             if( pVal )
 237                 pVal->PutULong( n );
 238             else
 239                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
 240             break;
 241         }
 242         case SbxBYREF | SbxCHAR:
 243             if( n > SbxMAXCHAR )
 244             {
 245                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXCHAR;
 246             }
 247             *p->pChar = static_cast<sal_Unicode>(n); break;
 248         case SbxBYREF | SbxBYTE:
 249             if( n > SbxMAXBYTE )
 250             {
 251                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXBYTE;
 252             }
 253             *p->pByte = static_cast<sal_uInt8>(n); break;
 254         case SbxBYREF | SbxINTEGER:
 255         case SbxBYREF | SbxBOOL:
 256             if( n > SbxMAXINT )
 257             {
 258                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXINT;
 259             }
 260             *p->pInteger = static_cast<sal_Int16>(n); break;
 261         case SbxBYREF | SbxERROR:
 262         case SbxBYREF | SbxUSHORT:
 263             if( n > SbxMAXUINT )
 264             {
 265                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXUINT;
 266             }
 267             *p->pUShort = static_cast<sal_uInt16>(n); break;
 268         case SbxBYREF | SbxLONG:
 269             if( n > SbxMAXLNG )
 270             {
 271                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXLNG;
 272             }
 273             *p->pLong = static_cast<sal_Int32>(n); break;
 274         case SbxBYREF | SbxULONG:
 275             *p->pULong = n; break;
 276         case SbxBYREF | SbxSINGLE:
 277             *p->pSingle = static_cast<float>(n); break;
 278         case SbxBYREF | SbxDATE:
 279         case SbxBYREF | SbxDOUBLE:
 280             *p->pDouble = n; break;
 281         case SbxBYREF | SbxCURRENCY:
 282             *p->pnInt64 = n * CURRENCY_FACTOR; break;
 283         case SbxBYREF | SbxSALINT64:
 284             *p->pnInt64 = n; break;
 285         case SbxBYREF | SbxSALUINT64:
 286             *p->puInt64 = n; break;
 287
 288         default:
 289             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
 290     }
 291 }
 292
 293 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */