formulaiter.cxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <formulaiter.hxx>

#include <formulacell.hxx>
#include <tokenarray.hxx>
#include <formula/token.hxx>
#include <token.hxx>

using namespace formula;

ScDetectiveRefIter::ScDetectiveRefIter( const ScDocument* pDoc, ScFormulaCell* pCell ) :
    mpDoc(pDoc),
    maIter(*pCell->GetCode()),
    aPos(pCell->aPos)
{
}

static bool lcl_ScDetectiveRefIter_SkipRef( const ScDocument* pDoc, formula::FormulaToken* p, const ScAddress& rPos )
{
    ScSingleRefData& rRef1 = *p->GetSingleRef();
    ScAddress aAbs1 = rRef1.toAbs(pDoc, rPos);
    if (!pDoc->ValidAddress(aAbs1))
        return true;
    if ( p->GetType() == svDoubleRef || p->GetType() == svExternalDoubleRef )
    {
        ScSingleRefData& rRef2 = p->GetDoubleRef()->Ref2;
        ScAddress aAbs2 = rRef2.toAbs(pDoc, rPos);
        if (!pDoc->ValidAddress(aAbs2))
            return true;
    }
    return false;
}

bool ScDetectiveRefIter::GetNextRef( ScRange& rRange )
{
    bool bRet = false;
    formula::FormulaToken* p = GetNextRefToken();
    if( p )
    {
        SingleDoubleRefProvider aProv( *p );
        rRange.aStart = aProv.Ref1.toAbs(mpDoc, aPos);
        rRange.aEnd = aProv.Ref2.toAbs(mpDoc, aPos);
        bRet = true;
    }

    return bRet;
}

formula::FormulaToken* ScDetectiveRefIter::GetNextRefToken()
{
    formula::FormulaToken* p = maIter.GetNextReferenceRPN();
    while (p && lcl_ScDetectiveRefIter_SkipRef(mpDoc, p, aPos))
    {
        p = maIter.GetNextReferenceRPN();
    }
    return p;
}

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