basic/source/sbx/sbxuint.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 <vcl/errcode.hxx>
  23 #include <basic/sberrors.hxx>
  24 #include "sbxconv.hxx"
  25 #include <rtlproto.hxx>
  26
  27 sal_uInt16 ImpGetUShort( const SbxValues* p )
  28 {
  29     SbxValues aTmp;
  30     sal_uInt16 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 > SbxMAXUINT )
  59             {
  60                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
  61             }
  62             else if( p->nLong < 0 )
  63             {
  64                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  65             }
  66             else
  67                 nRes = static_cast<sal_uInt16>(p->nLong);
  68             break;
  69         case SbxULONG:
  70             if( p->nULong > SbxMAXUINT )
  71             {
  72                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
  73             }
  74             else
  75                 nRes = static_cast<sal_uInt16>(p->nULong);
  76             break;
  77         case SbxCURRENCY:
  78             if( p->nInt64 / CURRENCY_FACTOR > SbxMAXUINT )
  79             {
  80                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
  81             }
  82             else if( p->nInt64 < 0 )
  83             {
  84                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  85             }
  86             else
  87                 nRes = static_cast<sal_uInt16>(p->nInt64 / CURRENCY_FACTOR);
  88             break;
  89         case SbxSALINT64:
  90             if( p->nInt64 > SbxMAXUINT )
  91             {
  92                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
  93             }
  94             else if( p->nInt64 < 0 )
  95             {
  96                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
  97             }
  98             else
  99                 nRes = static_cast<sal_uInt16>(p->nInt64);
 100             break;
 101         case SbxSALUINT64:
 102             if( p->uInt64 > SbxMAXUINT )
 103             {
 104                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
 105             }
 106             else
 107                 nRes = static_cast<sal_uInt16>(p->uInt64);
 108             break;
 109         case SbxSINGLE:
 110             nRes = ImpDoubleToUShort(p->nSingle);
 111             break;
 112         case SbxDATE:
 113         case SbxDOUBLE:
 114         case SbxDECIMAL:
 115         case SbxBYREF | SbxDECIMAL:
 116             {
 117             double dVal;
 118             if( p->eType == SbxDECIMAL )
 119             {
 120                 dVal = 0.0;
 121                 if( p->pDecimal )
 122                     p->pDecimal->getDouble( dVal );
 123             }
 124             else
 125                 dVal = p->nDouble;
 126
 127             nRes = ImpDoubleToUShort(dVal);
 128             break;
 129             }
 130         case SbxBYREF | SbxSTRING:
 131         case SbxSTRING:
 132         case SbxLPSTR:
 133             if( !p->pOUString )
 134                 nRes = 0;
 135             else
 136             {
 137                 double d;
 138                 SbxDataType t;
 139                 if( ImpScan( *p->pOUString, d, t, nullptr, !LibreOffice6FloatingPointMode() ) != ERRCODE_NONE )
 140                     nRes = 0;
 141                 else
 142                     nRes = ImpDoubleToUShort(d);
 143             }
 144             break;
 145         case SbxOBJECT:
 146         {
 147             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 148             if( pVal )
 149                 nRes = pVal->GetUShort();
 150             else
 151             {
 152                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); nRes = 0;
 153             }
 154             break;
 155         }
 156
 157         case SbxBYREF | SbxBYTE:
 158             nRes = *p->pByte; break;
 159         case SbxBYREF | SbxERROR:
 160         case SbxBYREF | SbxUSHORT:
 161             nRes = *p->pUShort; break;
 162
 163         // from here on will be tested
 164         case SbxBYREF | SbxCHAR:
 165             aTmp.nChar = *p->pChar; goto ref;
 166         case SbxBYREF | SbxINTEGER:
 167         case SbxBYREF | SbxBOOL:
 168             aTmp.nInteger = *p->pInteger; goto ref;
 169         case SbxBYREF | SbxLONG:
 170             aTmp.nLong = *p->pLong; goto ref;
 171         case SbxBYREF | SbxULONG:
 172             aTmp.nULong = *p->pULong; goto ref;
 173         case SbxBYREF | SbxSINGLE:
 174             aTmp.nSingle = *p->pSingle; goto ref;
 175         case SbxBYREF | SbxDATE:
 176         case SbxBYREF | SbxDOUBLE:
 177             aTmp.nDouble = *p->pDouble; goto ref;
 178         case SbxBYREF | SbxCURRENCY:
 179         case SbxBYREF | SbxSALINT64:
 180             aTmp.nInt64 = *p->pnInt64; goto ref;
 181         case SbxBYREF | SbxSALUINT64:
 182             aTmp.uInt64 = *p->puInt64; goto ref;
 183         ref:
 184             aTmp.eType = SbxDataType( p->eType & 0x0FFF );
 185             p = &aTmp; goto start;
 186
 187         default:
 188             SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); nRes = 0;
 189     }
 190     return nRes;
 191 }
 192
 193 void ImpPutUShort( SbxValues* p, sal_uInt16 n )
 194 {
 195     SbxValues aTmp;
 196
 197 start:
 198     switch( +p->eType )
 199     {
 200         case SbxERROR:
 201         case SbxUSHORT:
 202             p->nUShort = n; break;
 203         case SbxLONG:
 204             p->nLong = n; break;
 205         case SbxULONG:
 206             p->nULong = n; break;
 207         case SbxSINGLE:
 208             p->nSingle = n; break;
 209         case SbxDATE:
 210         case SbxDOUBLE:
 211             p->nDouble = n; break;
 212         case SbxCURRENCY:
 213             p->nInt64 = n * CURRENCY_FACTOR; break;
 214         case SbxSALINT64:
 215             p->nInt64 = n; break;
 216         case SbxSALUINT64:
 217             p->uInt64 = n; break;
 218         case SbxDECIMAL:
 219         case SbxBYREF | SbxDECIMAL:
 220             ImpCreateDecimal( p )->setUInt( n );
 221             break;
 222
 223         // from here on tests
 224         case SbxCHAR:
 225             aTmp.pChar = &p->nChar; goto direct;
 226         case SbxBYTE:
 227             aTmp.pByte = &p->nByte; goto direct;
 228         case SbxINTEGER:
 229         case SbxBOOL:
 230             aTmp.pInteger = &p->nInteger;
 231         direct:
 232             aTmp.eType = SbxDataType( p->eType | SbxBYREF );
 233             p = &aTmp; goto start;
 234
 235         case SbxBYREF | SbxSTRING:
 236         case SbxSTRING:
 237         case SbxLPSTR:
 238             if( !p->pOUString )
 239                 p->pOUString = new OUString;
 240             ImpCvtNum( static_cast<double>(n), 0, *p->pOUString );
 241             break;
 242         case SbxOBJECT:
 243         {
 244             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 245             if( pVal )
 246                 pVal->PutUShort( n );
 247             else
 248                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
 249             break;
 250         }
 251
 252         case SbxBYREF | SbxCHAR:
 253             *p->pChar = static_cast<sal_Unicode>(n); break;
 254         case SbxBYREF | SbxBYTE:
 255             if( n > SbxMAXBYTE )
 256             {
 257                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXBYTE;
 258             }
 259             *p->pByte = static_cast<sal_uInt8>(n); break;
 260         case SbxBYREF | SbxINTEGER:
 261         case SbxBYREF | SbxBOOL:
 262             if( n > SbxMAXINT )
 263             {
 264                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXINT;
 265             }
 266             *p->pInteger = static_cast<sal_Int16>(n); break;
 267         case SbxBYREF | SbxERROR:
 268         case SbxBYREF | SbxUSHORT:
 269             *p->pUShort = n; break;
 270         case SbxBYREF | SbxLONG:
 271             *p->pLong = n; break;
 272         case SbxBYREF | SbxULONG:
 273             *p->pULong = n; break;
 274         case SbxBYREF | SbxSINGLE:
 275             *p->pSingle = n; break;
 276         case SbxBYREF | SbxDATE:
 277         case SbxBYREF | SbxDOUBLE:
 278             *p->pDouble = n; break;
 279         case SbxBYREF | SbxCURRENCY:
 280             *p->pnInt64 = n * CURRENCY_FACTOR; break;
 281         case SbxBYREF | SbxSALINT64:
 282             *p->pnInt64 = n; break;
 283         case SbxBYREF | SbxSALUINT64:
 284             *p->puInt64 = n; break;
 285
 286         default:
 287             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
 288     }
 289 }
 290
 291 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */