callsigndb.hh

#ifndef CALLSIGNDB_HH
#define CALLSIGNDB_HH
 
#include "dfufile.hh"
 
// Forward decl.
class UserDatabase;
 
class CallsignDB : public DFUFile
{
  Q_OBJECT
 
public:
  class Selection {
  public:
    Selection(int64_t count=-1);
    Selection(const Selection &other);
 
    bool hasCountLimit() const;
    size_t countLimit() const;
    void setCountLimit(size_t n);
    void clearCountLimit();
 
  protected:
    int64_t _count;
  };
 
protected:
  explicit CallsignDB(QObject *parent=nullptr);
 
public:
  virtual ~CallsignDB();
 
  virtual bool encode(UserDatabase *db, const Selection &selection=Selection(),
                      const ErrorStack &err=ErrorStack()) = 0;
};
 
#endif // CALLSIGNDB_HH