File indexing completed on 2024-05-19 04:49:18

 /****************************************************************************************
  * Copyright (c) 2007-2008 Maximilian Kossick <maximilian.kossick@googlemail.com>       *
  *                                                                                      *
  * 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) any later           *
  * version.                                                                             *
  *                                                                                      *
  * 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 AMAROK_XMLQUERYREADER_H
 #define AMAROK_XMLQUERYREADER_H
 
 #include "core/collections/QueryMaker.h"
 
 #include <QList>
 #include <QXmlStreamReader>
 
 namespace Collections {
     class QueryMaker;
 }
 
 class XmlQueryReader : public QXmlStreamReader
 {
 public:
 
     enum ReturnValueEnum { IgnoreReturnValues = 0
                            , ParseReturnValues
                          };
 
     static Collections::QueryMaker* getQueryMaker( const QString &xmlData, ReturnValueEnum flag );
 
     XmlQueryReader( Collections::QueryMaker *qm, ReturnValueEnum flag );
     virtual ~XmlQueryReader();
 
     bool read( const QString &xmlData );
 
     struct Filter
     {
         Filter() : exclude(false), field(0), compare(-1) {}
 
         bool     exclude;
         qint64   field;
         QString  value;        
         int      compare; /* -1 => not a numerical comparison */
     };
 
     const QList<Filter>& getFilters() const;
 
     /**
      *  Reads only one filter element.
      */
     static Filter readFilter(QXmlStreamReader *reader);
 
     static int compareVal( QStringRef compare );
 
 private:
     void readQuery();
     void readFilters();
     void readReturnValues();
     void ignoreElements();
     void readAndOr();
 
     struct Private;
     Private * const d;
 };
 
 #endif