00001 /*************************************************************************** 00002 tag: Peter Soetens Mon Jan 19 14:11:20 CET 2004 NiceHeaderMarshaller.hpp 00003 00004 NiceHeaderMarshaller.hpp - description 00005 ------------------- 00006 begin : Mon January 19 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 execunice, this file does not by itself cause the * 00021 * resulting execunice to be covered by the GNU General Public * 00022 * License. This exception does not however invalidate any other * 00023 * reasons why the execunice 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 #ifndef PI_PROPERTIES_NICEHEADER_SERIALIZER 00039 #define PI_PROPERTIES_NICEHEADER_SERIALIZER 00040 00041 #include <rtt/Property.hpp> 00042 #include <rtt/marsh/StreamProcessor.hpp> 00043 #include <rtt/marsh/MarshallInterface.hpp> 00044 00045 namespace RTT 00046 { 00054 template<typename o_stream> 00055 class NiceHeaderMarshaller 00056 : public marsh::MarshallInterface, public marsh::StreamProcessor<o_stream> 00057 { 00058 bool did_comment; 00059 int nameless_counter; 00060 std::string prefix; 00061 public: 00062 typedef o_stream output_stream; 00063 typedef o_stream OutputStream; 00064 00065 NiceHeaderMarshaller(output_stream &os) : 00066 marsh::StreamProcessor<o_stream>(os), 00067 did_comment(false), nameless_counter(0) 00068 { 00069 } 00070 00071 virtual ~NiceHeaderMarshaller() {} 00072 00073 virtual void serialize(base::PropertyBase* v) 00074 { 00075 Property<PropertyBag>* bag = dynamic_cast< Property<PropertyBag>* >( v ); 00076 if ( bag ) 00077 this->serialize( *bag ); 00078 else 00079 store( v->getName() ); 00080 } 00081 00082 00083 virtual void serialize(const PropertyBag &v) 00084 { 00085 // start with a comment sign. 00086 if (did_comment == false ) 00087 *this->s << ""; 00088 did_comment = true; 00089 00090 for ( 00091 PropertyBag::const_iterator i = v.getProperties().begin(); 00092 i != v.getProperties().end(); 00093 i++ ) 00094 { 00095 this->serialize(*i); 00096 } 00097 } 00098 00102 void store(const std::string& name) 00103 { 00104 if ( name.empty() ) 00105 ++nameless_counter; 00106 else 00107 nameless_counter = 0; 00108 if ( !prefix.empty() ) 00109 *this->s << ' ' << prefix << '.'; 00110 else 00111 *this->s << ' '; 00112 if ( nameless_counter ) 00113 *this->s << nameless_counter; 00114 else 00115 *this->s << name; 00116 } 00117 00118 virtual void serialize(const Property<PropertyBag> &v) 00119 { 00120 if ( v.rvalue().empty() ) 00121 store( v.getName() + "[0]" ); 00122 else { 00123 std::string oldpref = prefix; 00124 if ( prefix.empty() ) 00125 prefix = v.getName(); 00126 else 00127 prefix += '.' + v.getName(); 00128 00129 serialize(v.rvalue()); 00130 00131 prefix = oldpref; 00132 nameless_counter = 0; 00133 } 00134 } 00135 00136 virtual void flush() 00137 { 00138 did_comment = false; 00139 nameless_counter = 0; 00140 *this->s << std::endl; 00141 this->s->flush(); 00142 00143 } 00144 }; 00145 } 00146 #endif