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 <o3tl/float_int_conversion.hxx>
  23 #include <vcl/errcode.hxx>
  24 #include <basic/sberrors.hxx>
  25 #include "sbxconv.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             if( !o3tl::convertsToAtMost(o3tl::roundAway(p->nSingle), SbxMAXUINT) )
 111             {
 112                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
 113             }
 114             else if( p->nSingle < 0 )
 115             {
 116                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
 117             }
 118             else
 119                 nRes = static_cast<sal_uInt16>( p->nSingle + 0.5 );
 120             break;
 121         case SbxDATE:
 122         case SbxDOUBLE:
 123         case SbxDECIMAL:
 124         case SbxBYREF | SbxDECIMAL:
 125             {
 126             double dVal;
 127             if( p->eType == SbxDECIMAL )
 128             {
 129                 dVal = 0.0;
 130                 if( p->pDecimal )
 131                     p->pDecimal->getDouble( dVal );
 132             }
 133             else
 134                 dVal = p->nDouble;
 135
 136             if( !o3tl::convertsToAtMost(o3tl::roundAway(dVal), SbxMAXUINT) )
 137             {
 138                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
 139             }
 140             else if( dVal < 0 )
 141             {
 142                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
 143             }
 144             else
 145                 nRes = static_cast<sal_uInt16>( dVal + 0.5 );
 146             break;
 147             }
 148         case SbxBYREF | SbxSTRING:
 149         case SbxSTRING:
 150         case SbxLPSTR:
 151             if( !p->pOUString )
 152                 nRes = 0;
 153             else
 154             {
 155                 double d;
 156                 SbxDataType t;
 157                 if( ImpScan( *p->pOUString, d, t, nullptr, false ) != ERRCODE_NONE )
 158                     nRes = 0;
 159                 else if( !o3tl::convertsToAtMost(o3tl::roundAway(d), SbxMAXUINT) )
 160                 {
 161                     SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SbxMAXUINT;
 162                 }
 163                 else if( d < 0 )
 164                 {
 165                     SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = 0;
 166                 }
 167                 else
 168                     nRes = static_cast<sal_uInt16>( d + 0.5 );
 169             }
 170             break;
 171         case SbxOBJECT:
 172         {
 173             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 174             if( pVal )
 175                 nRes = pVal->GetUShort();
 176             else
 177             {
 178                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); nRes = 0;
 179             }
 180             break;
 181         }
 182
 183         case SbxBYREF | SbxBYTE:
 184             nRes = *p->pByte; break;
 185         case SbxBYREF | SbxERROR:
 186         case SbxBYREF | SbxUSHORT:
 187             nRes = *p->pUShort; break;
 188
 189         // from here on will be tested
 190         case SbxBYREF | SbxCHAR:
 191             aTmp.nChar = *p->pChar; goto ref;
 192         case SbxBYREF | SbxINTEGER:
 193         case SbxBYREF | SbxBOOL:
 194             aTmp.nInteger = *p->pInteger; goto ref;
 195         case SbxBYREF | SbxLONG:
 196             aTmp.nLong = *p->pLong; goto ref;
 197         case SbxBYREF | SbxULONG:
 198             aTmp.nULong = *p->pULong; goto ref;
 199         case SbxBYREF | SbxSINGLE:
 200             aTmp.nSingle = *p->pSingle; goto ref;
 201         case SbxBYREF | SbxDATE:
 202         case SbxBYREF | SbxDOUBLE:
 203             aTmp.nDouble = *p->pDouble; goto ref;
 204         case SbxBYREF | SbxCURRENCY:
 205         case SbxBYREF | SbxSALINT64:
 206             aTmp.nInt64 = *p->pnInt64; goto ref;
 207         case SbxBYREF | SbxSALUINT64:
 208             aTmp.uInt64 = *p->puInt64; goto ref;
 209         ref:
 210             aTmp.eType = SbxDataType( p->eType & 0x0FFF );
 211             p = &aTmp; goto start;
 212
 213         default:
 214             SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); nRes = 0;
 215     }
 216     return nRes;
 217 }
 218
 219 void ImpPutUShort( SbxValues* p, sal_uInt16 n )
 220 {
 221     SbxValues aTmp;
 222
 223 start:
 224     switch( +p->eType )
 225     {
 226         case SbxERROR:
 227         case SbxUSHORT:
 228             p->nUShort = n; break;
 229         case SbxLONG:
 230             p->nLong = n; break;
 231         case SbxULONG:
 232             p->nULong = n; break;
 233         case SbxSINGLE:
 234             p->nSingle = n; break;
 235         case SbxDATE:
 236         case SbxDOUBLE:
 237             p->nDouble = n; break;
 238         case SbxCURRENCY:
 239             p->nInt64 = n * CURRENCY_FACTOR; break;
 240         case SbxSALINT64:
 241             p->nInt64 = n; break;
 242         case SbxSALUINT64:
 243             p->uInt64 = n; break;
 244         case SbxDECIMAL:
 245         case SbxBYREF | SbxDECIMAL:
 246             ImpCreateDecimal( p )->setUInt( n );
 247             break;
 248
 249         // from here on tests
 250         case SbxCHAR:
 251             aTmp.pChar = &p->nChar; goto direct;
 252         case SbxBYTE:
 253             aTmp.pByte = &p->nByte; goto direct;
 254         case SbxINTEGER:
 255         case SbxBOOL:
 256             aTmp.pInteger = &p->nInteger;
 257         direct:
 258             aTmp.eType = SbxDataType( p->eType | SbxBYREF );
 259             p = &aTmp; goto start;
 260
 261         case SbxBYREF | SbxSTRING:
 262         case SbxSTRING:
 263         case SbxLPSTR:
 264             if( !p->pOUString )
 265                 p->pOUString = new OUString;
 266             ImpCvtNum( static_cast<double>(n), 0, *p->pOUString );
 267             break;
 268         case SbxOBJECT:
 269         {
 270             SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
 271             if( pVal )
 272                 pVal->PutUShort( n );
 273             else
 274                 SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
 275             break;
 276         }
 277
 278         case SbxBYREF | SbxCHAR:
 279             *p->pChar = static_cast<sal_Unicode>(n); break;
 280         case SbxBYREF | SbxBYTE:
 281             if( n > SbxMAXBYTE )
 282             {
 283                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXBYTE;
 284             }
 285             *p->pByte = static_cast<sal_uInt8>(n); break;
 286         case SbxBYREF | SbxINTEGER:
 287         case SbxBYREF | SbxBOOL:
 288             if( n > SbxMAXINT )
 289             {
 290                 SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); n = SbxMAXINT;
 291             }
 292             *p->pInteger = static_cast<sal_Int16>(n); break;
 293         case SbxBYREF | SbxERROR:
 294         case SbxBYREF | SbxUSHORT:
 295             *p->pUShort = n; break;
 296         case SbxBYREF | SbxLONG:
 297             *p->pLong = n; break;
 298         case SbxBYREF | SbxULONG:
 299             *p->pULong = n; break;
 300         case SbxBYREF | SbxSINGLE:
 301             *p->pSingle = n; break;
 302         case SbxBYREF | SbxDATE:
 303         case SbxBYREF | SbxDOUBLE:
 304             *p->pDouble = n; break;
 305         case SbxBYREF | SbxCURRENCY:
 306             *p->pnInt64 = n * CURRENCY_FACTOR; break;
 307         case SbxBYREF | SbxSALINT64:
 308             *p->pnInt64 = n; break;
 309         case SbxBYREF | SbxSALUINT64:
 310             *p->puInt64 = n; break;
 311
 312         default:
 313             SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
 314     }
 315 }
 316
 317 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */