manes/cds/factory.cpp

   1 /* Quarn OS / Manes / CDS
   2  *
   3  * Factory
   4  *
   5  * Copyright (C) 2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "factory.h"
  24
  25 using namespace manes::cds;
  26
  27 p<component> factory::new_component(const component_name &obj_type) {
  28         throw new not_supported_exception;
  29 }
  30
  31
  32 p<component> factory::get_component(const component_name &obj) {
  33         if (obj.get_type().get_name() == "type") {
  34                 /* Client looks for type with a certain name */
  35                 for (int i = 0; i < components.get_count(); i++)
  36                         if (components[i]->get_name() == obj)
  37                                 return components[i];
  38
  39         } else  if (obj.get_type().get_name() == "driver") {
  40                 /* Clients looks for appropiate driver and uses index to get type */
  41                 return components[obj.get_index()];
  42         }
  43
  44         return p<component>::invalid;
  45 }
  46
  47
  48 p<component> factory::add_existing(p<component> tpe) {
  49         if (tpe.is<type>())
  50                 components.add(tpe);
  51         else
  52                 throw new argument_exception;
  53
  54         return tpe;
  55 }
  56