Orocos Real-Time Toolkit  2.5.0
Operators.cpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Mon May 10 19:10:37 CEST 2004  Operators.cxx
00003 
00004                         Operators.cxx -  description
00005                            -------------------
00006     begin                : Mon May 10 2004
00007     copyright            : (C) 2004 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.ac.be
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
00032  *   License along with this library; if not, write to the Free Software   *
00033  *   Foundation, Inc., 59 Temple Place,                                    *
00034  *   Suite 330, Boston, MA  02111-1307  USA                                *
00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 #include "Operators.hpp"
00039 #include "OperatorTypes.hpp"
00040 #include <functional>
00041 
00042 // Cappellini Consonni Extension
00043 #include "../extras/MultiVector.hpp"
00044 
00045 #include "../Logger.hpp"
00046 #include <boost/type_traits.hpp>
00047 #include <boost/shared_ptr.hpp>
00048 
00049 #include "../internal/mystd.hpp"
00050 
00051 #include "../rtt-config.h"
00052 
00053 namespace RTT
00054 {
00055     using namespace detail;
00056 
00057     namespace {
00058         boost::shared_ptr<OperatorRepository> reg;
00059     }
00060 
00061     boost::shared_ptr<OperatorRepository> OperatorRepository::Instance()
00062     {
00063         if ( reg )
00064             return reg;
00065         reg.reset( new OperatorRepository() );
00066 
00067         return reg;
00068     }
00069 
00070 
00071 
00072   OperatorRepository::OperatorRepository()
00073   {
00074   }
00075 
00076   void OperatorRepository::add( UnaryOp* a )
00077   {
00078     unaryops.push_back( a );
00079   }
00080 
00081   void OperatorRepository::add( BinaryOp* b )
00082   {
00083     binaryops.push_back( b );
00084   }
00085 
00086   OperatorRepository::~OperatorRepository()
00087   {
00088     delete_all( unaryops.begin(), unaryops.end() );
00089     delete_all( binaryops.begin(), binaryops.end() );
00090  }
00091 
00092   DataSourceBase* OperatorRepository::applyUnary(
00093     const std::string& op, DataSourceBase* a )
00094   {
00095     typedef std::vector<UnaryOp*> vec;
00096     typedef vec::iterator iter;
00097     for ( iter i = unaryops.begin(); i != unaryops.end(); ++i )
00098     {
00099       DataSourceBase* ret = (*i)->build( op, a );
00100       if ( ret ) return ret;
00101     }
00102     return 0;
00103   }
00104 
00105   DataSourceBase* OperatorRepository::applyBinary(
00106     const std::string& op, DataSourceBase* a, DataSourceBase* b )
00107   {
00108     typedef std::vector<BinaryOp*> vec;
00109     typedef vec::iterator iter;
00110     // First look for an exact match:
00111     for ( iter i = binaryops.begin(); i != binaryops.end(); ++i )
00112     {
00113         if ( (*i)->isExactMatch( op, a, b) )
00114             return (*i)->build( op, a, b );
00115     }
00116     for ( iter i = binaryops.begin(); i != binaryops.end(); ++i )
00117     {
00118       DataSourceBase* ret = (*i)->build( op, a, b );
00119       if ( ret ) return ret;
00120     }
00121     return 0;
00122   }
00123 
00124   UnaryOp::~UnaryOp()
00125   {
00126   }
00127 
00128   BinaryOp::~BinaryOp()
00129   {
00130   }
00131 
00132     OperatorRepository::shared_ptr operators() {
00133         return OperatorRepository::Instance();
00134     }
00135 }