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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
// INCLUDE ---------------------------------------------------------------
#include <string.h>
#include "reffind.hxx"
#include "global.hxx"
#include "compiler.hxx"
#include "document.hxx"
// STATIC DATA -----------------------------------------------------------
// incl. Doppelpunkt -> Doppelte Referenzen werden einzeln behandelt
const sal_Unicode __FAR_DATA ScRefFinder::pDelimiters[] = {
'=','(',')',';','+','-','*','/','^','&',' ','{','}','<','>',':', 0
};
// =======================================================================
inline BOOL IsText( sal_Unicode c )
{
return !ScGlobal::UnicodeStrChr( ScRefFinder::pDelimiters, c );
}
inline BOOL IsText( BOOL& bQuote, sal_Unicode c )
{
if ( c == '\'' )
{
bQuote = !bQuote;
return TRUE;
}
if ( bQuote )
return TRUE;
return IsText( c );
}
ScRefFinder::ScRefFinder(const String& rFormula, ScDocument* pDocument,
formula::FormulaGrammar::AddressConvention eConvP) :
aFormula( rFormula ),
eConv( eConvP ),
pDoc( pDocument )
{
nSelStart = nSelEnd = nFound = 0;
}
ScRefFinder::~ScRefFinder()
{
}
USHORT lcl_NextFlags( USHORT nOld )
{
USHORT nNew = nOld & 7; // die drei Abs-Flags
nNew = ( nNew - 1 ) & 7; // weiterzaehlen
if (!(nOld & SCA_TAB_3D))
nNew &= ~SCA_TAB_ABSOLUTE; // nicht 3D -> nie absolut!
return ( nOld & 0xfff8 ) | nNew;
}
void ScRefFinder::ToggleRel( xub_StrLen nStartPos, xub_StrLen nEndPos )
{
xub_StrLen nLen = aFormula.Len();
if (!nLen)
return;
const sal_Unicode* pSource = aFormula.GetBuffer(); // fuer schnellen Zugriff
// Selektion erweitern, und statt Selektion Start- und Endindex
if ( nEndPos < nStartPos )
{
xub_StrLen nTemp = nStartPos; nStartPos = nEndPos; nEndPos = nTemp;
}
while (nStartPos > 0 && IsText(pSource[nStartPos - 1]) )
--nStartPos;
if (nEndPos)
--nEndPos;
while (nEndPos+1 < nLen && IsText(pSource[nEndPos + 1]) )
++nEndPos;
String aResult;
String aExpr;
String aSep;
ScAddress aAddr;
nFound = 0;
xub_StrLen nLoopStart = nStartPos;
while ( nLoopStart <= nEndPos )
{
// Formel zerlegen
xub_StrLen nEStart = nLoopStart;
while ( nEStart <= nEndPos && !IsText(pSource[nEStart]) )
++nEStart;
BOOL bQuote = FALSE;
xub_StrLen nEEnd = nEStart;
while ( nEEnd <= nEndPos && IsText(bQuote,pSource[nEEnd]) )
++nEEnd;
aSep = aFormula.Copy( nLoopStart, nEStart-nLoopStart );
aExpr = aFormula.Copy( nEStart, nEEnd-nEStart );
// Test, ob aExpr eine Referenz ist
USHORT nResult = aAddr.Parse( aExpr, pDoc, pDoc->GetAddressConvention() );
if ( nResult & SCA_VALID )
{
USHORT nFlags = lcl_NextFlags( nResult );
aAddr.Format( aExpr, nFlags, pDoc, pDoc->GetAddressConvention() );
xub_StrLen nAbsStart = nStartPos+aResult.Len()+aSep.Len();
if (!nFound) // erste Referenz ?
nSelStart = nAbsStart;
nSelEnd = nAbsStart+aExpr.Len(); // Selektion, keine Indizes
++nFound;
}
// zusammenbauen
aResult += aSep;
aResult += aExpr;
nLoopStart = nEEnd;
}
String aTotal = aFormula.Copy( 0, nStartPos );
aTotal += aResult;
aTotal += aFormula.Copy( nEndPos+1 );
aFormula = aTotal;
}
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