File indexing completed on 2024-05-12 05:10:17

 /***************************************************************************
     Copyright (C) 2023 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   This program 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 General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef MAPVALUE_H
 #define MAPVALUE_H
 
 #include "../fieldformat.h"
 
 #include <QMetaType>
 #include <QVariant>
 
 namespace Tellico {
   // helper methods for the QVariantMaps used by the JSON importers
   template<typename T>
   QString mapValue(const QVariantMap& map, T name) {
     const QVariant v = map.value(QLatin1String(name));
     if(v.isNull())  {
       return QString();
     } else if(v.canConvert(QVariant::String)) {
       return v.toString();
     } else if(v.canConvert(QVariant::StringList)) {
       return v.toStringList().join(FieldFormat::delimiterString());
     } else {
       return QString();
     }
   }
   template<typename T, typename... Args>
   QString mapValue(const QVariantMap& map, T name, Args... args) {
     const QVariant v = map.value(QLatin1String(name));
     if(v.isNull())  {
       return QString();
     } else if(v.canConvert(QVariant::Map)) {
       return mapValue(v.toMap(), args...);
     } else if(v.canConvert(QVariant::List)) {
       QStringList values;
       const auto list = v.toList();
       for(const QVariant& v : list) {
         const QString s = mapValue(v.toMap(), args...);
         if(!s.isEmpty()) values += s;
       }
       return values.join(FieldFormat::delimiterString());
     } else {
       return QString();
     }
   }
 }
 
 #endif