configmergevisitor.hh

#ifndef CONFIGMERGEVISITOR_HH
#define CONFIGMERGEVISITOR_HH
 
#include "visitor.hh"
 
class ConfigObject;
class RadioID;
class Channel;
class Contact;
class PositioningSystem;
class RoamingChannel;
class ConfigObjectRefList;
class RXGroupList;
class Zone;
class ScanList;
class RoamingZone;
 
 
class ConfigMergeVisitor : public Visitor
{
public:
  enum class ItemStrategy {
    Ignore,    
    Override,  
    Duplicate  
  };
 
  enum class SetStrategy {
    Ignore,    
    Override,  
    Duplicate, 
    Merge      
  };
 
public:
  ConfigMergeVisitor(Config *destination, QHash<ConfigObject *, ConfigObject *> &translation,
                     ItemStrategy itemStrategy=ItemStrategy::Ignore,
                     SetStrategy setStrategy=SetStrategy::Ignore);
 
 
  bool processItem(ConfigItem *item, const ErrorStack &err=ErrorStack());
 
protected:
  bool processRadioID(RadioID *item, const ErrorStack &err = ErrorStack());
  bool processChannel(Channel *item, const ErrorStack &err = ErrorStack());
  bool processContact(Contact *item, const ErrorStack &err = ErrorStack());
  bool processPositioningSystem(PositioningSystem *item, const ErrorStack &err = ErrorStack());
  bool processRoamingChannel(RoamingChannel *item, const ErrorStack &err = ErrorStack());
  bool processGroupList(RXGroupList *item, const ErrorStack &err = ErrorStack());
  bool processZone(Zone *item, const ErrorStack &err = ErrorStack());
  bool processScanList(ScanList *item, const ErrorStack &err = ErrorStack());
  bool processRoamingZone(RoamingZone *item, const ErrorStack &err = ErrorStack());
 
  bool addObject(AbstractConfigObjectList *list, ConfigObject *present, ConfigObject *merging, const ErrorStack &err = ErrorStack());
  bool ignoreObject(AbstractConfigObjectList *list, ConfigObject *present, ConfigObject *merging, const ErrorStack &err = ErrorStack());
  bool replaceObject(AbstractConfigObjectList *list, ConfigObject *present, ConfigObject *merging, const ErrorStack &err = ErrorStack());
  bool duplicateObject(AbstractConfigObjectList *list, ConfigObject *present, ConfigObject *merging, const ErrorStack &err = ErrorStack());
  bool mergeList(ConfigObjectRefList *present, ConfigObjectRefList *merging, const ErrorStack &err = ErrorStack());
 
protected:
  Config *_destination;
  QHash<ConfigObject *, ConfigObject *> &_translation;
  ItemStrategy _itemStrategy;
  SetStrategy _setStrategy;
};
 
 
class ConfigMerge
{
public:
  static bool mergeInto(Config *destination, Config *source,
                        ConfigMergeVisitor::ItemStrategy itemStrategy=ConfigMergeVisitor::ItemStrategy::Ignore,
                        ConfigMergeVisitor::SetStrategy setStrategy=ConfigMergeVisitor::SetStrategy::Ignore,
                        const ErrorStack &err = ErrorStack());
 
  static Config *merge(Config *destination, Config *source,
                       ConfigMergeVisitor::ItemStrategy itemStrategy=ConfigMergeVisitor::ItemStrategy::Ignore,
                       ConfigMergeVisitor::SetStrategy setStrategy=ConfigMergeVisitor::SetStrategy::Ignore,
                       const ErrorStack &err = ErrorStack());
};
 
#endif // CONFIGMERGEVISITOR_HH