Orocos Real-Time Toolkit  2.5.0
RTStringTypeInfo.hpp
00001 /***************************************************************************
00002   tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  RTStringTypeInfo.hpp
00003 
00004                         RTStringTypeInfo.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 "../rt_string.hpp"
00040 #include "../types/SequenceTypeInfo.hpp"
00041 #include "../types/TemplateTypeInfo.hpp"
00042 
00043 namespace RTT
00044 {
00045     namespace types
00046     {
00050         struct RTStringTypeInfo: public SequenceTypeInfo<rt_string, true>
00051         {
00052             RTStringTypeInfo() :
00053                 SequenceTypeInfo<rt_string, true> ("rt_string")
00054             {
00055             }
00056 
00057             base::AttributeBase* buildVariable(std::string name, int size) const
00058             {
00059                 rt_string t_init(size, ' '); // we can't use the default char(), which is null !
00060 
00061                 // returned type is identical to parent, but we set spaces.
00062                 base::AttributeBase* ret = SequenceTypeInfo<rt_string, true>::buildVariable(name, size);
00063                 Attribute<rt_string> tt = ret;
00064                 tt.set(t_init);
00065                 return ret;
00066             }
00067 
00068             virtual bool composeType(base::DataSourceBase::shared_ptr source, base::DataSourceBase::shared_ptr result) const
00069             {
00070                 return result->update( source.get() );
00071             }
00072 
00076             virtual base::DataSourceBase::shared_ptr decomposeType(base::DataSourceBase::shared_ptr source) const {
00077                 return source;
00078             }
00079 
00080         };
00081     }
00082 }