Claw 1.7.0
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00001 /* 00002 CLAW - a C++ Library Absolutely Wonderful 00003 00004 CLAW is a free library without any particular aim but being useful to 00005 anyone. 00006 00007 Copyright (C) 2005-2011 Julien Jorge 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 contact: julien.jorge@gamned.org 00024 */ 00031 /*----------------------------------------------------------------------------*/ 00035 template<typename BaseClass, typename IdentifierType> 00036 claw::pattern::factory 00037 <BaseClass, IdentifierType>::class_creator_base::~class_creator_base() 00038 { 00039 00040 } // factory::class_creator_base::~class_creator_base() 00041 00042 00043 00044 00045 /*----------------------------------------------------------------------------*/ 00049 template<typename BaseClass, typename IdentifierType> 00050 template<typename Derived> 00051 Derived* claw::pattern::factory 00052 <BaseClass, IdentifierType>::class_creator<Derived>::create() const 00053 { 00054 return new Derived; 00055 } // factory::class_creator::create() 00056 00057 00058 00059 00060 /*----------------------------------------------------------------------------*/ 00064 template<typename BaseClass, typename IdentifierType> 00065 claw::pattern::factory<BaseClass, IdentifierType>::~factory() 00066 { 00067 typename class_map::const_iterator it; 00068 00069 for (it=m_classes.begin(); it!=m_classes.end(); ++it) 00070 delete it->second; 00071 00072 m_classes.clear(); 00073 } // factory::~factory() 00074 00075 /*----------------------------------------------------------------------------*/ 00084 template<typename BaseClass, typename IdentifierType> 00085 template<typename T> 00086 bool 00087 claw::pattern::factory<BaseClass, IdentifierType>::register_type 00088 ( const identifier_type& id ) 00089 { 00090 typename class_map::iterator it = m_classes.find(id); 00091 00092 if ( it == m_classes.end() ) 00093 { 00094 m_classes[id] = new class_creator<T>; 00095 return true; 00096 } 00097 else 00098 return false; 00099 } // factory::register_type() 00100 00101 /*----------------------------------------------------------------------------*/ 00107 template<typename BaseClass, typename IdentifierType> 00108 typename claw::pattern::factory<BaseClass, IdentifierType>::base_class* 00109 claw::pattern::factory<BaseClass, IdentifierType>::create 00110 ( const identifier_type& id ) const 00111 { 00112 typename class_map::const_iterator it = m_classes.find(id); 00113 00114 if ( it==m_classes.end() ) 00115 throw bad_type_identifier(); 00116 else 00117 return it->second->create(); 00118 } // factory::create() 00119 00120 /*----------------------------------------------------------------------------*/ 00125 template<typename BaseClass, typename IdentifierType> 00126 bool claw::pattern::factory<BaseClass, IdentifierType>::is_known_type 00127 ( const identifier_type& id ) const 00128 { 00129 return m_classes.find(id) != m_classes.end(); 00130 } // factory::is_known_type()