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