sc/source/filter/inc/tool.h

   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 #include <document.hxx>
  23
  24 #include <i18nlangtag/lang.h>
  25 #include <svl/intitem.hxx>
  26 #include <types.hxx>
  27 #include <osl/diagnose.h>
  28
  29 // Default values
  30 const sal_uInt8 nFractionalStd = 0;        // Number of digits in fractional part for standard cells
  31 const sal_uInt8 nFractionalFloat = 2;      //        "         "         "         "  float cells
  32
  33 struct LotusContext;
  34
  35 void        PutFormString(LotusContext& rContext, SCCOL nCol, SCROW nRow, SCTAB nTab, char *pString);
  36
  37 void        SetFormat(LotusContext& rContext, SCCOL nCol, SCROW nRow, SCTAB nTab, sal_uInt8 nFormat, sal_uInt8 nSt);
  38
  39 double      SnumToDouble( sal_Int16 nVal );
  40
  41 double      Snum32ToDouble( sal_uInt32 nValue );
  42
  43 typedef sal_uInt16 StampTyp;
  44
  45 #define MAKE_STAMP(nF,nS) ((nS&0x0F)+((nF&0x7F)*16))
  46             // Bit 0...3  = Bit 0...3 of number of digits
  47             // Bit 4...10 = Bit 0...6 of Formatbyte
  48
  49 class FormIdent
  50 {
  51 private:
  52     StampTyp        nStamp;         // ID key
  53     std::unique_ptr<SfxUInt32Item> pAttr;          // associated attribute
  54 public:
  55                     FormIdent( void )
  56                     {
  57                         nStamp = 0;
  58                         pAttr = nullptr;
  59                     }
  60
  61                     FormIdent( sal_uInt8 nFormat, sal_uInt8 nSt, SfxUInt32Item& rAttr )
  62                     {
  63                         nStamp = MAKE_STAMP( nFormat, nSt );
  64                         pAttr.reset(&rAttr);
  65                     }
  66
  67     StampTyp        GetStamp( void ) const
  68                     {
  69                         return nStamp;
  70                     }
  71
  72     SfxUInt32Item*  GetAttr( void )
  73                     {
  74                         return pAttr.get();
  75                     }
  76
  77     void            SetStamp( sal_uInt8 nFormat, sal_uInt8 nSt )
  78                     {
  79                         nStamp = MAKE_STAMP( nFormat, nSt );
  80                     }
  81 };
  82
  83
  84 #define nSize_ 2048
  85
  86
  87 class FormCache
  88 {
  89 private:
  90     FormIdent           aIdents[ nSize_ ]; //buffered formats
  91     bool                bValid[ nSize_ ];
  92     FormIdent           aCompareIdent;      // for comparing
  93     SvNumberFormatter*  pFormTable;         // value format table anchor
  94     StampTyp            nIndex;
  95     LanguageType        eLanguage;          // System language
  96
  97     SfxUInt32Item*      NewAttr( sal_uInt8 nFormat, sal_uInt8 nSt );
  98 public:
  99                         FormCache( const ScDocument* );
 100                         ~FormCache();
 101
 102     inline const SfxUInt32Item* GetAttr( sal_uInt8 nFormat, sal_uInt8 nSt );
 103 };
 104
 105
 106 inline const SfxUInt32Item* FormCache::GetAttr( sal_uInt8 nFormat, sal_uInt8 nSt )
 107 {
 108     // PREC:    nFormat = Lotus format byte
 109     //          nSt = Number of digit
 110     // POST:    return = SC-format fitting nFormat and nSt
 111     SfxUInt32Item*      pAttr;
 112     SfxUInt32Item*      pRet;
 113
 114     aCompareIdent.SetStamp( nFormat, nSt );
 115     nIndex = aCompareIdent.GetStamp();
 116     OSL_ENSURE( nIndex < nSize_, "FormCache::GetAttr(): Oups... not this way!" );
 117     if( bValid[ nIndex ] )
 118         pRet = aIdents[ nIndex ].GetAttr();
 119     else
 120     {
 121         // create new attribute
 122         pAttr = NewAttr( nFormat, nSt );
 123         OSL_ENSURE( pAttr, "FormCache::GetAttr(): Nothing to save" );
 124
 125         aIdents[ nIndex ] = FormIdent( nFormat, nSt, *pAttr );
 126         bValid[ nIndex ] = true;
 127
 128         pRet = pAttr;
 129     }
 130     return pRet;
 131 }
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */