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https://github.com/FairRootGroup/FairMQ.git
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104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
/*
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* File: FairMQParser.h
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* Author: winckler
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*
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* Created on May 14, 2015, 5:01 PM
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*/
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#ifndef FAIRMQPARSER_H
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#define FAIRMQPARSER_H
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// FairRoot
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#include "FairMQChannel.h"
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// Boost
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#include <boost/property_tree/ptree.hpp>
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// std
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#include <string>
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#include <vector>
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#include <map>
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namespace FairMQParser
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{
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typedef std::map<std::string, std::vector<FairMQChannel> > FairMQMap;
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FairMQMap boost_ptree_to_MQMap(const boost::property_tree::ptree& pt, const std::string& device_id, const std::string& root_node, const std::string& format_flag="json");
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////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////// XML ////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////
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// xml example 1
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////////////////////////////////////////////////////////////////////////////
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struct XML
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{
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FairMQMap UserParser(const std::string& filename, const std::string& device_id, const std::string& root_node="fairMQOptions");
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FairMQMap UserParser(std::stringstream& input_ss, const std::string& device_id, const std::string& root_node="fairMQOptions");
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};
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// xml example 2
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////////////////////////////////////////////////////////////////////////////
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struct MQXML2
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{
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boost::property_tree::ptree UserParser(const std::string& filename);
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};
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// xml example 3
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////////////////////////////////////////////////////////////////////////////
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struct MQXML3
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{
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boost::property_tree::ptree UserParser(const std::string& filename, const std::string& root_node);
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};
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////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////// JSON ///////////////////////////////////
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////////////////////////////////////////////////////////////////////////////
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struct JSON
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{
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FairMQMap UserParser(const std::string& filename, const std::string& device_id, const std::string& root_node="fairMQOptions");
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FairMQMap UserParser(std::stringstream& input_ss, const std::string& device_id, const std::string& root_node="fairMQOptions");
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};
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////////////////////////////////////////////////////////////////////////////
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// template function iterating over the whole boost property tree
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template <typename Input_tree_It, typename Output_tree_It, typename Compare_key>
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void ProcessTree(Input_tree_It first, Input_tree_It last, Output_tree_It dest, Compare_key compare)
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{
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//typedef typename std::iterator_traits<Input_tree_It>::reference reference;
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if (first == last)
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{
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return;
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}
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auto begin = first->second.begin ();
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auto end = first->second.end ();
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if (begin != end)
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{
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ProcessTree (begin, end, dest, compare);
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}
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if (compare (first->first))
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{
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dest = *first;
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}
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ProcessTree (++first, last, dest, compare);
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}
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class no_id_exception: public std::exception
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{
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virtual const char* what() const throw()
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{
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return "Empty string for the device-id in FairMQParser::boost_ptree_to_MQMap(...) function";
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}
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};
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} // end FairMQParser namespace
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#endif /* FAIRMQPARSER_H */
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