File indexing completed on 2024-05-19 04:49:17

 /****************************************************************************************
  * Copyright (c) 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 MEMORYFILTER_H
 #define MEMORYFILTER_H
 
 #include "amarok_export.h"
 #include "core/meta/forward_declarations.h"
 #include "core/collections/QueryMaker.h"
 
 #include <QList>
 #include <QRegExp>
 #include <QString>
 
 class MemoryFilter;
 
 namespace FilterFactory
 {
     MemoryFilter* filter( qint64 value, const QString &filter, bool matchBegin, bool matchEnd );
     MemoryFilter* numberFilter( qint64 value, qint64 filter, Collections::QueryMaker::NumberComparison compare );
 }
 
 class AMAROK_EXPORT MemoryFilter
 {
     public:
         MemoryFilter();
         virtual ~MemoryFilter();
         virtual bool filterMatches( const Meta::TrackPtr &track ) const = 0;
 };
 
 class AMAROK_EXPORT ContainerMemoryFilter : public MemoryFilter
 {
     public:
         ContainerMemoryFilter();
         ~ContainerMemoryFilter() override;
         void addFilter( MemoryFilter *filter );
     protected:
         QList<MemoryFilter*> m_filters;
 };
 
 class AMAROK_EXPORT AndContainerMemoryFilter : public ContainerMemoryFilter
 {
     public:
         AndContainerMemoryFilter();
         ~AndContainerMemoryFilter() override;
         bool filterMatches( const Meta::TrackPtr &track ) const override;
 };
 
 class AMAROK_EXPORT OrContainerMemoryFilter : public ContainerMemoryFilter
 {
     public:
         OrContainerMemoryFilter();
         ~OrContainerMemoryFilter() override;
         bool filterMatches( const Meta::TrackPtr &track ) const override;
 };
 
 class AMAROK_EXPORT NegateMemoryFilter : public MemoryFilter
 {
     public:
         explicit NegateMemoryFilter( MemoryFilter *filter );
         ~NegateMemoryFilter() override;
         bool filterMatches( const Meta::TrackPtr &track ) const override;
     private:
         MemoryFilter *m_filter;
 };
 
 class AMAROK_EXPORT StringMemoryFilter : public MemoryFilter
 {
     public:
         StringMemoryFilter();
         ~StringMemoryFilter() override;
         bool filterMatches( const Meta::TrackPtr &track ) const override;
 
         void setFilter( const QString &filter, bool matchBegin, bool matchEnd );
     protected:
         virtual QString value( const Meta::TrackPtr &track ) const = 0;
 
     private:
         QString m_filter;
         bool m_matchBegin;
         bool m_matchEnd;
 };
 
 
 class AMAROK_EXPORT NumberMemoryFilter : public MemoryFilter
 {
     public:
         NumberMemoryFilter();
         ~NumberMemoryFilter() override;
         void setFilter( qint64 filter, Collections::QueryMaker::NumberComparison compare );
         bool filterMatches( const Meta::TrackPtr &track ) const override;
     protected:
         virtual qint64 value( const Meta::TrackPtr &track ) const = 0;
     private:
         qint64 m_filter;
         Collections::QueryMaker::NumberComparison m_compare;
 };
 
 
 class AMAROK_EXPORT LabelFilter : public MemoryFilter
 {
 public:
     LabelFilter( const QString &filter, bool matchBegin, bool matchEnd );
     ~ LabelFilter() override;
     bool filterMatches( const Meta::TrackPtr &track ) const override;
 
 private:
     QRegExp m_expression;
 };
 
 #endif