ResInsight/Fwk/AppFwk/cafProjectDataModel/cafPdmXml/cafInternalPdmFilePathStreamOperators.cpp

#include "cafInternalPdmFilePathStreamOperators.h"

#include <QStringList>
#include <QTextStream>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QTextStream& operator<<( QTextStream& str, const std::vector<caf::FilePath>& filePathObjects )
{
    QStringList trimmedEntries;

    for ( const auto& filePath : filePathObjects )
    {
        QString text = filePath.path().trimmed();

        if ( text.isEmpty() ) continue;

        trimmedEntries.push_back( text );
    }

    for ( int i = 0; i < trimmedEntries.size(); i++ )
    {
        str << trimmedEntries[i];

        if ( i < trimmedEntries.size() - 1 )
        {
            str << ";";
        }
    }

    return str;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QTextStream& operator>>( QTextStream& str, std::vector<caf::FilePath>& filePathObjects )
{
    QString stringSeparatedBySemicolon;

    while ( str.status() == QTextStream::Ok )
    {
        // Read QChar to avoid white space trimming when reading QString
        QChar singleChar;
        str >> singleChar;

        if ( !singleChar.isNull() )
        {
            stringSeparatedBySemicolon += singleChar;
        }
    }

    QStringList splitBySemicolon = stringSeparatedBySemicolon.split( ";" );
    for ( const auto& s : splitBySemicolon )
    {
        QString trimmed = s.trimmed();
        if ( !trimmed.isEmpty() )
        {
            filePathObjects.push_back( trimmed );
        }
    }

    return str;
}