basic/source/sbx/sbxdec.hxx

   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 #pragma once
  21
  22 #ifdef _WIN32
  23 #include <prewin.h>
  24 #include <postwin.h>
  25 #include <comutil.h>
  26 #include <oleauto.h>
  27 #endif
  28
  29 #include <com/sun/star/bridge/oleautomation/Decimal.hpp>
  30
  31
  32 // Decimal support
  33 // Implementation only for windows
  34
  35 class SbxDecimal
  36 {
  37     friend void releaseDecimalPtr( SbxDecimal*& rpDecimal );
  38
  39 #ifdef _WIN32
  40     DECIMAL     maDec;
  41 #endif
  42     sal_Int32       mnRefCount;
  43
  44 public:
  45     SbxDecimal();
  46     SbxDecimal( const SbxDecimal& rDec );
  47     explicit SbxDecimal( const css::bridge::oleautomation::Decimal& rAutomationDec );
  48
  49     void addRef()
  50         { mnRefCount++; }
  51
  52     void fillAutomationDecimal( css::bridge::oleautomation::Decimal& rAutomationDec );
  53
  54     void setChar( sal_Unicode val );
  55     void setByte( sal_uInt8 val );
  56     void setShort( sal_Int16 val );
  57     void setLong( sal_Int32 val );
  58     void setUShort( sal_uInt16 val );
  59     void setULong( sal_uInt32 val );
  60     bool setSingle( float val );
  61     bool setDouble( double val );
  62     void setInt( int val );
  63     void setUInt( unsigned int val );
  64     bool setString( OUString* pOUString );
  65     void setDecimal( SbxDecimal const * pDecimal )
  66     {
  67 #ifdef _WIN32
  68         if( pDecimal )
  69             maDec = pDecimal->maDec;
  70 #else
  71         (void)pDecimal;
  72 #endif
  73     }
  74
  75     bool getChar( sal_Unicode& rVal );
  76     bool getShort( sal_Int16& rVal );
  77     bool getLong( sal_Int32& rVal );
  78     bool getUShort( sal_uInt16& rVal );
  79     bool getULong( sal_uInt32& rVal );
  80     bool getSingle( float& rVal );
  81     bool getDouble( double& rVal );
  82     void getString( OUString& rString );
  83
  84     bool operator -= ( const SbxDecimal &r );
  85     bool operator += ( const SbxDecimal &r );
  86     bool operator /= ( const SbxDecimal &r );
  87     bool operator *= ( const SbxDecimal &r );
  88     bool neg();
  89
  90     bool isZero() const;
  91
  92     // must match the return values of the Microsoft VarDecCmp Automation function
  93     enum class CmpResult { LT, EQ, GT };
  94     friend CmpResult compare( const SbxDecimal &rLeft, const SbxDecimal &rRight );
  95 };
  96
  97 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */