basic/source/sbx/sbxdbl.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 <config_features.h>
  21
  22 #include <o3tl/float_int_conversion.hxx>
  23 #include <vcl/errcode.hxx>
  24 #include "sbxconv.hxx"
  25 #include <runtime.hxx>
  26
  27 double ImpGetDouble( const SbxValues* p )
  28 {
  29     double nRes;
  30     switch( +p->eType )
  31     {
  32         case SbxNULL:
  33             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
  34             [[fallthrough]];
  35         case SbxEMPTY:
  36             nRes = 0; break;
  37         case SbxCHAR:
  38             nRes = p->nChar; break;
  39         case SbxBYTE:
  40             nRes = p->nByte; break;
  41         case SbxINTEGER:
  42         case SbxBOOL:
  43             nRes = p->nInteger; break;
  44         case SbxERROR:
  45         case SbxUSHORT:
  46             nRes = p->nUShort; break;
  47         case SbxLONG:
  48             nRes = p->nLong; break;
  49         case SbxULONG:
  50             nRes = p->nULong; break;
  51         case SbxSINGLE:
  52             nRes = p->nSingle; break;
  53         case SbxDATE:
  54         case SbxDOUBLE:
  55             nRes = p->nDouble; break;
  56         case SbxCURRENCY:
  57             nRes = ImpCurrencyToDouble( p->nInt64 ); break;
  58         case SbxSALINT64:
  59             nRes = static_cast< double >(p->nInt64); break;
  60         case SbxSALUINT64:
  61             nRes = ImpSalUInt64ToDouble( p->uInt64 ); break;
  62         case SbxDECIMAL:
  63         case SbxBYREF | SbxDECIMAL:
  64             if( p->pDecimal )
  65                 p->pDecimal->getDouble( nRes );
  66             else
  67                 nRes = 0.0;
  68             break;
  69         case SbxBYREF | SbxSTRING:
  70         case SbxSTRING:
  71         case SbxLPSTR:
  72             if( !p->pOUString )
  73             {
  74                 nRes = 0;
  75 #if HAVE_FEATURE_SCRIPTING
  76                 if ( SbiRuntime::isVBAEnabled() )// VBA only behaviour
  77                     SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
  78 #endif
  79             }
  80             else
  81             {
  82                 double d;
  83                 SbxDataType t;
  84                 if( ImpScan( *p->pOUString, d, t, nullptr, false ) != ERRCODE_NONE )
  85                 {
  86                     nRes = 0;
  87 #if HAVE_FEATURE_SCRIPTING
  88                     if ( SbiRuntime::isVBAEnabled() )// VBA only behaviour
  89                         SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
  90 #endif
  91                 }
  92                 else
  93                     nRes = d;
  94             }
  95             break;
  96         case SbxOBJECT:
  97         {
  98             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
  99             if( pVal )
 100                 nRes = pVal->GetDouble();
 101             else
 102             {
 103                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); nRes = 0;
 104             }
 105             break;
 106         }
 107
 108         case SbxBYREF | SbxCHAR:
 109             nRes = *p->pChar; break;
 110         case SbxBYREF | SbxBYTE:
 111             nRes = *p->pByte; break;
 112         case SbxBYREF | SbxINTEGER:
 113         case SbxBYREF | SbxBOOL:
 114             nRes = *p->pInteger; break;
 115         case SbxBYREF | SbxLONG:
 116             nRes = *p->pLong; break;
 117         case SbxBYREF | SbxULONG:
 118             nRes = *p->pULong; break;
 119         case SbxBYREF | SbxERROR:
 120         case SbxBYREF | SbxUSHORT:
 121             nRes = *p->pUShort; break;
 122         case SbxBYREF | SbxSINGLE:
 123             nRes = *p->pSingle; break;
 124         case SbxBYREF | SbxDATE:
 125         case SbxBYREF | SbxDOUBLE:
 126             nRes = *p->pDouble; break;
 127         case SbxBYREF | SbxCURRENCY:
 128             nRes = ImpCurrencyToDouble( *p->pnInt64 ); break;
 129         case SbxBYREF | SbxSALINT64:
 130             nRes = static_cast< double >(*p->pnInt64); break;
 131         case SbxBYREF | SbxSALUINT64:
 132             nRes = ImpSalUInt64ToDouble( *p->puInt64 ); break;
 133
 134         default:
 135             SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); nRes = 0;
 136     }
 137     return nRes;
 138 }
 139
 140 void ImpPutDouble( SbxValues* p, double n, bool bCoreString )
 141 {
 142     SbxValues aTmp;
 143 start:
 144     switch( +p->eType )
 145     {
 146         // Here are tests necessary
 147         case SbxCHAR:
 148             aTmp.pChar = &p->nChar; goto direct;
 149         case SbxBYTE:
 150             aTmp.pByte = &p->nByte; goto direct;
 151         case SbxINTEGER:
 152         case SbxBOOL:
 153             aTmp.pInteger = &p->nInteger; goto direct;
 154         case SbxLONG:
 155             aTmp.pLong = &p->nLong; goto direct;
 156         case SbxULONG:
 157             aTmp.pULong = &p->nULong; goto direct;
 158         case SbxERROR:
 159         case SbxUSHORT:
 160             aTmp.pUShort = &p->nUShort; goto direct;
 161         case SbxSINGLE:
 162             aTmp.pSingle = &p->nSingle; goto direct;
 163         case SbxDECIMAL:
 164         case SbxBYREF | SbxDECIMAL:
 165             {
 166             SbxDecimal* pDec = ImpCreateDecimal( p );
 167             if( !pDec->setDouble( n ) )
 168                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
 169             break;
 170             }
 171         direct:
 172             aTmp.eType = SbxDataType( p->eType | SbxBYREF );
 173             p = &aTmp; goto start;
 174
 175         case SbxCURRENCY:
 176             if( n > SbxMAXCURR )
 177             {
 178                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXCURR;
 179             }
 180             else if( n < SbxMINCURR )
 181             {
 182                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINCURR;
 183             }
 184             p->nInt64 = ImpDoubleToCurrency( n );
 185             break;
 186
 187             // from here on no longer
 188         case SbxSALINT64:
 189             p->nInt64 = ImpDoubleToSalInt64( n ); break;
 190         case SbxSALUINT64:
 191             p->uInt64 = ImpDoubleToSalUInt64( n ); break;
 192         case SbxDATE:
 193         case SbxDOUBLE:
 194             p->nDouble = n; break;
 195
 196         case SbxBYREF | SbxSTRING:
 197         case SbxSTRING:
 198         case SbxLPSTR:
 199             if( !p->pOUString )
 200                 p->pOUString = new OUString;
 201             ImpCvtNum( n, 14, *p->pOUString, bCoreString );
 202             break;
 203         case SbxOBJECT:
 204         {
 205             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 206             if( pVal )
 207                 pVal->PutDouble( n );
 208             else
 209                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
 210             break;
 211         }
 212         case SbxBYREF | SbxCHAR:
 213             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXCHAR) )
 214             {
 215                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXCHAR;
 216             }
 217             else if( !o3tl::convertsToAtLeast(o3tl::roundAway(n), SbxMINCHAR) )
 218             {
 219                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINCHAR;
 220             }
 221             *p->pChar = static_cast<sal_Unicode>(n); break;
 222         case SbxBYREF | SbxBYTE:
 223             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXBYTE) )
 224             {
 225                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXBYTE;
 226             }
 227             else if( n < 0 )
 228             {
 229                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = 0;
 230             }
 231             *p->pByte = static_cast<sal_uInt8>(n); break;
 232         case SbxBYREF | SbxINTEGER:
 233         case SbxBYREF | SbxBOOL:
 234             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXINT) )
 235             {
 236                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXINT;
 237             }
 238             else if( !o3tl::convertsToAtLeast(o3tl::roundAway(n), SbxMININT) )
 239             {
 240                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMININT;
 241             }
 242             *p->pInteger = static_cast<sal_Int16>(n); break;
 243         case SbxBYREF | SbxERROR:
 244         case SbxBYREF | SbxUSHORT:
 245             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXUINT) )
 246             {
 247                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXUINT;
 248             }
 249             else if( n < 0 )
 250             {
 251                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = 0;
 252             }
 253             *p->pUShort = static_cast<sal_uInt16>(n); break;
 254         case SbxBYREF | SbxLONG:
 255             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXLNG) )
 256             {
 257                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXLNG;
 258             }
 259             else if( !o3tl::convertsToAtLeast(o3tl::roundAway(n), SbxMINLNG) )
 260             {
 261                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINLNG;
 262             }
 263             *p->pLong = static_cast<sal_Int32>(n); break;
 264         case SbxBYREF | SbxULONG:
 265             if( !o3tl::convertsToAtMost(o3tl::roundAway(n), SbxMAXULNG) )
 266             {
 267                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXULNG;
 268             }
 269             else if( n < 0 )
 270             {
 271                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = 0;
 272             }
 273             *p->pULong = static_cast<sal_uInt32>(n); break;
 274         case SbxBYREF | SbxSINGLE:
 275             if( n > SbxMAXSNG )
 276             {
 277                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXSNG;
 278             }
 279             else if( n < SbxMINSNG )
 280             {
 281                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINSNG;
 282             }
 283             else if( n > 0 && n < SbxMAXSNG2 )
 284             {
 285                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXSNG2;
 286             }
 287             else if( n < 0 && n > SbxMINSNG2 )
 288             {
 289                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINSNG2;
 290             }
 291             *p->pSingle = static_cast<float>(n); break;
 292         case SbxBYREF | SbxSALINT64:
 293             *p->pnInt64 = ImpDoubleToSalInt64( n ); break;
 294         case SbxBYREF | SbxSALUINT64:
 295             *p->puInt64 = ImpDoubleToSalUInt64( n ); break;
 296         case SbxBYREF | SbxDATE:
 297         case SbxBYREF | SbxDOUBLE:
 298             *p->pDouble = n; break;
 299         case SbxBYREF | SbxCURRENCY:
 300             if( n > SbxMAXCURR )
 301             {
 302                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXCURR;
 303             }
 304             else if( n < SbxMINCURR )
 305             {
 306                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMINCURR;
 307             }
 308             *p->pnInt64 = ImpDoubleToCurrency( n ); break;
 309
 310         default:
 311             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
 312     }
 313 }
 314
 315 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */