/usr/include/claw/impl/factory.tpp is in libclaw-dev 1.7.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file factory.tpp
* \brief Implementation of the claw::pattern::factory class.
* \author Julien Jorge
*/
/*----------------------------------------------------------------------------*/
/**
* \brief Destructor.
*/
template<typename BaseClass, typename IdentifierType>
claw::pattern::factory
<BaseClass, IdentifierType>::class_creator_base::~class_creator_base()
{
} // factory::class_creator_base::~class_creator_base()
/*----------------------------------------------------------------------------*/
/**
* \brief Create an instance of the derived type..
*/
template<typename BaseClass, typename IdentifierType>
template<typename Derived>
Derived* claw::pattern::factory
<BaseClass, IdentifierType>::class_creator<Derived>::create() const
{
return new Derived;
} // factory::class_creator::create()
/*----------------------------------------------------------------------------*/
/**
* \brief Destructor.
*/
template<typename BaseClass, typename IdentifierType>
claw::pattern::factory<BaseClass, IdentifierType>::~factory()
{
typename class_map::const_iterator it;
for (it=m_classes.begin(); it!=m_classes.end(); ++it)
delete it->second;
m_classes.clear();
} // factory::~factory()
/*----------------------------------------------------------------------------*/
/**
* \brief Register a type in the factory.
* \param id The identifier to which the type is associated.
* \return true if successful.
*
* \b Template \b parameters:
* - \a T The type to register.
*/
template<typename BaseClass, typename IdentifierType>
template<typename T>
bool
claw::pattern::factory<BaseClass, IdentifierType>::register_type
( const identifier_type& id )
{
typename class_map::iterator it = m_classes.find(id);
if ( it == m_classes.end() )
{
m_classes[id] = new class_creator<T>;
return true;
}
else
return false;
} // factory::register_type()
/*----------------------------------------------------------------------------*/
/**
* \brief Create a new instance.
* \param id The identifier of the type to instanciate.
* \return A pointer to the newly created instance.
*/
template<typename BaseClass, typename IdentifierType>
typename claw::pattern::factory<BaseClass, IdentifierType>::base_class*
claw::pattern::factory<BaseClass, IdentifierType>::create
( const identifier_type& id ) const
{
typename class_map::const_iterator it = m_classes.find(id);
if ( it==m_classes.end() )
throw bad_type_identifier();
else
return it->second->create();
} // factory::create()
/*----------------------------------------------------------------------------*/
/**
* \brief Tell in a type with a given id is known by the factory.
* \param id The identifier of the type to check.
*/
template<typename BaseClass, typename IdentifierType>
bool claw::pattern::factory<BaseClass, IdentifierType>::is_known_type
( const identifier_type& id ) const
{
return m_classes.find(id) != m_classes.end();
} // factory::is_known_type()
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