PeerParser.hpp

00001 /***************************************************************************
00002   tag: Peter Soetens  Tue Dec 21 22:43:08 CET 2004  PeerParser.hpp
00003 
00004                         PeerParser.hpp -  description
00005                            -------------------
00006     begin                : Tue December 21 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 
00039 
00040 #ifndef ORO_PEERPARSER_HPP
00041 #define ORO_PEERPARSER_HPP
00042 
00043 #include "parser-types.hpp"
00044 #include "CommonParser.hpp"
00045 #include <queue>
00046 #include <string>
00047 #include "../rtt-config.h"
00048 
00049 namespace RTT
00050 {
00051     class TaskContext;
00052     class OperationInterface;
00053 
00054     namespace detail {
00059     class RTT_API PeerParser
00060     {
00061         CommonParser& commonparser;
00062         rule_t peerpath, peerlocator;
00063         std::queue<std::string> callqueue;
00064         OperationInterface* mcurobject;
00065         std::string mlastobject;
00066         TaskContext* context;
00067         TaskContext* _peer;
00068         bool mfullpath;
00069         RTT_HIDE void done();
00070 
00071         RTT_HIDE void seenobjectname( iter_t begin, iter_t end );
00072         RTT_HIDE void locatepeer( iter_t begin, iter_t end );
00073 
00074         enum PeerErrors { peer_not_found };
00075         guard<PeerErrors> my_guard;
00076 
00080         boost::iterator_difference<iter_t>::type advance_on_error;
00081         RTT_HIDE error_status<> handle_no_peer(scanner_t const& scan, parser_error<PeerErrors, iter_t>&e );
00082     public:
00090         PeerParser(TaskContext* c, CommonParser& cp, bool fullpath=false);
00091 
00096         void reset();
00097 
00105         rule_t& parser();
00106 
00112         rule_t& locator();
00113 
00117         TaskContext* peer();
00118 
00122         std::string object();
00123 
00127         OperationInterface* taskObject();
00128     };
00129 }}
00130 
00131 #endif
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