mirror of
https://github.com/FairRootGroup/FairMQ.git
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57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/********************************************************************************
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* Copyright (C) 2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#ifndef FAIR_MQ_TOOLS_STRINGS_H
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#define FAIR_MQ_TOOLS_STRINGS_H
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#include <array>
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#include <boost/beast/core/span.hpp>
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#include <initializer_list>
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#include <sstream>
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#include <string>
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#include <vector>
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namespace fair
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{
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namespace mq
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{
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namespace tools
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{
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/// @brief concatenates a variable number of args with the << operator via a stringstream
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/// @param t objects to be concatenated
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/// @return concatenated string
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template<typename ... T>
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auto ToString(T&&... t) -> std::string
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{
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std::stringstream ss;
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(void)std::initializer_list<int>{(ss << t, 0)...};
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return ss.str();
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}
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/// @brief convert command line arguments from main function to vector of strings
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inline auto ToStrVector(const int argc, char*const* argv, const bool dropProgramName = true) -> std::vector<std::string>
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{
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auto res = std::vector<std::string>{};
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boost::beast::span<char*const> argvView(argv, argc);
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if (dropProgramName)
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{
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res.assign(argvView.begin() + 1, argvView.end());
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} else
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{
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res.assign(argvView.begin(), argvView.end());
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}
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return res;
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}
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} /* namespace tools */
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} /* namespace mq */
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} /* namespace fair */
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#endif /* FAIR_MQ_TOOLS_STRINGS_H */
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