ResFilterFactory.cc

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// -*- mode:c++;tab-width:2;indent-tabs-mode:t;show-trailing-whitespace:t;rm-trailing-spaces:t -*-
// vi: set ts=2 noet:
//
// (c) Copyright Rosetta Commons Member Institutions.
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// (c) The Rosetta software is developed by the contributing members of the Rosetta Commons.
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/// @file   core/pack/task/operation/ResFilterFactory.cc
/// @brief
/// @author ashworth

#include <core/pack/task/operation/ResFilterFactory.hh>
#include <core/pack/task/operation/ResFilterCreator.hh>

// AUTO-REMOVED #include <core/pack/task/operation/ResFilters.hh>

#include <utility/exit.hh> // runtime_assert, utility_exit_with_message
// AUTO-REMOVED #include <utility/tag/Tag.hh>

#include <core/pack/task/operation/ResFilter.hh>
#include <utility/vector0.hh>
#include <utility/vector1.hh>

namespace core {
namespace pack {
namespace task {
namespace operation {

// special singleton functions
// initialize
ResFilterFactory * ResFilterFactory::instance_( 0 );
// get pointer to singleton
ResFilterFactory * ResFilterFactory::get_instance()
{
  if ( ! instance_ ) {
    instance_ = new ResFilterFactory();
  }
  return instance_;
}

ResFilterFactory::ResFilterFactory() {}
ResFilterFactory::~ResFilterFactory(){}

void
ResFilterFactory::factory_register( ResFilterCreatorOP creator )
{
  add_creator( creator );
}

///@brief add a ResFilter prototype, using its default type name as the map key
void
ResFilterFactory::add_creator( ResFilterCreatorOP creator )
{
  runtime_assert( creator );
  filter_creator_map_[ creator->keyname() ] = creator;
}

bool ResFilterFactory::has_type( std::string const & type ) const
{
  return ( filter_creator_map_.find( type ) != filter_creator_map_.end() );
}

///@brief return new ResFilter by key lookup in filter_creator_map_ (new ResFilter parses Tag if provided)
ResFilterOP
ResFilterFactory::newResFilter(
  std::string const & type,
  TagPtr tag /* = boost::shared_ptr< Tag >() */
) const
{
  ResFilterCreatorMap::const_iterator iter( filter_creator_map_.find( type ) );
  if ( iter != filter_creator_map_.end() ) {
    ResFilterOP filter( iter->second->create_res_filter() );
    // parse tag if tag pointer is pointing to one
    if ( tag.get() != NULL ) filter->parse_tag( tag );
    return filter;
  } else {
    utility_exit_with_message( type + " is not known to the ResFilterFactory. Was its ResFilterCreator class registered at initialization?" );
    return NULL;
  }
}

} //namespace operation
} //namespace task
} //namespace pack
} //namespace core