manes/cds/type.cpp

   1 /* Quarn OS / Manes
   2  *
   3  * Type class
   4  *
   5  * Copyright (C) 2008-2009 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 "component.h"
  24 #include "type.h"
  25 #include "manes/error.h"
  26 #include "factory.h"
  27 #include "abstract.h"
  28
  29 #include "libs/string.h"
  30
  31 #include "manes/manec.h"
  32
  33 using namespace manes;
  34 using namespace manes::cds;
  35
  36 type::type(const component_name &_name, const component_name &_base, const delegate<p<component> > creat) :
  37         base(_base),
  38         create_impl(creat) {
  39         this->name = _name;
  40 }
  41
  42 component_name type::get_base() const {
  43         return base;
  44 }
  45
  46 bool type::is(const component_name &x) const {
  47         if (x == name)
  48                 return true;
  49
  50         p<type> tpe = manec::get()->get_factory()->get_component(component_name::from_path((string)"/type," + base.get_name())).cast<type>();
  51         if (!tpe.cast<abstract>().valid())
  52                 return false;
  53
  54         if (!tpe.valid())
  55                 return false;
  56
  57         return tpe->is(x);
  58 }
  59
  60 p<component> type::create_component() {
  61         assert((string)"type: attempt to create implementation of abstract type: " + name.get_name(), create_impl.null());
  62
  63         p<component> comp = create_impl();
  64         comp->set(this);
  65
  66         return comp;
  67 }
  68
  69 bool type::operator==(const type &x) const {
  70         return x.name == name;
  71 }
  72
  73 bool type::operator!=(const type &x) const {
  74         return !operator==(x);
  75 }