Orocos Real-Time Toolkit  2.5.0
BoolTypeInfo.hpp
00001 /***************************************************************************
00002   tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  BoolTypeInfo.hpp
00003 
00004                         BoolTypeInfo.hpp -  description
00005                            -------------------
00006     begin                : Tue September 07 2010
00007     copyright            : (C) 2010 The SourceWorks
00008     email                : peter@thesourceworks.com
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             *
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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #include "../types/Types.hpp"
00040 #include "../types/TemplateTypeInfo.hpp"
00041 #include <ostream>
00042 #include <istream>
00043 
00044 namespace RTT
00045 {
00046     namespace types
00047     {
00048 
00052         struct BoolTypeInfo: public TemplateTypeInfo<bool>
00053         {
00054             BoolTypeInfo() :
00055                 TemplateTypeInfo<bool> ("bool")
00056             {
00057             }
00058 
00059             virtual std::ostream& write(std::ostream& os, base::DataSourceBase::shared_ptr in) const
00060             {
00061 #ifdef OS_HAVE_STREAMS
00062                 internal::DataSource<bool>::shared_ptr d = boost::dynamic_pointer_cast< internal::DataSource<bool> >(in);
00063                 if (d)
00064                     return os << std::boolalpha << d->value();
00065 #endif
00066                 return os;
00067             }
00068 
00069             virtual std::istream& read(std::istream& os, base::DataSourceBase::shared_ptr out) const
00070             {
00071 #ifdef OS_HAVE_STREAMS
00072                 internal::AssignableDataSource<bool>::shared_ptr d = boost::dynamic_pointer_cast< internal::AssignableDataSource<bool> >(out);
00073                 if (d)
00074                 {
00075                     std::boolalpha(os);
00076                     os >> d->set();
00077                     d->updated(); // because use of set().
00078                 }
00079 #endif
00080                 return os;
00081             }
00082         };
00083 
00084     }
00085 }