util.h

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#pragma once

#include <QList>

class QString;

namespace edbee {

class Util
{
public:
    QString convertTabsToSpaces( const QString& str, int tabSize );
    QList<int> tabColumnOffsets( const QString& str, int tabSize );


    template<typename T>
    bool intersection( T begin1, T end1, T begin2, T end2, bool exclusive=false, T* resultBegin=0, T* resultEnd=0 )
    {
        if( exclusive ) {
            if( end1 <= begin2 ) return false;
            if( end2 <= begin1 ) return false;
        } else {
            if( end1 < begin2 ) return false;
            if( end2 < begin1 ) return false;
        }

        // assign the result
        if( resultBegin ) { *resultBegin = qMax(begin1,begin2);  }
        if( resultEnd ) { *resultEnd = qMin(end1,end2); }
        return true;
    }
};

} // edbee