src/filter_factory.hpp

   1 /* $Id: filter_factory.hpp,v 1.6 2005-11-10 23:10:42 adam Exp $
   2    Copyright (c) 2005, Index Data.
   3
   4 %LICENSE%
   5  */
   6
   7 #ifndef FILTER_FACTORY_HPP
   8 #define FILTER_FACTORY_HPP
   9
  10 #include <stdexcept>
  11 #include <iostream>
  12 #include <string>
  13 #include <map>
  14
  15 #include <boost/noncopyable.hpp>
  16 #include <boost/scoped_ptr.hpp>
  17
  18 #include "filter.hpp"
  19
  20
  21 namespace yp2 {
  22
  23     class FilterFactoryException : public std::runtime_error {
  24     public:
  25         FilterFactoryException(const std::string message);
  26     };
  27
  28     class FilterFactory : public boost::noncopyable
  29     {
  30         typedef yp2::filter::Base* (*CreateFilterCallback)();
  31         typedef std::map<std::string, CreateFilterCallback> CallbackMap;
  32
  33         class Rep;
  34     public:
  35         /// true if registration ok
  36
  37         FilterFactory();
  38         ~FilterFactory();
  39
  40         bool add_creator(std::string fi, CreateFilterCallback cfc);
  41         /// true if unregistration ok
  42
  43         bool drop_creator(std::string fi);
  44
  45         /// factory create method
  46
  47         yp2::filter::Base* create(std::string fi);
  48
  49     private:
  50         boost::scoped_ptr<Rep> m_p;
  51     };
  52 }
  53
  54 #endif
  55 /*
  56  * Local variables:
  57  * c-basic-offset: 4
  58  * indent-tabs-mode: nil
  59  * c-file-style: "stroustrup"
  60  * End:
  61  * vim: shiftwidth=4 tabstop=8 expandtab
  62  */