StringUtils.cxx

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/// \file ROOT/StringUtils.hxx
/// \ingroup Base StdExt
/// \author Jonas Rembser <jonas.rembser@cern.ch>
/// \date 2021-08-09
 
/*************************************************************************
 * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include "ROOT/StringUtils.hxx"
 
namespace ROOT {
 
/// Splits a string at each character in delims.
/// The behavior mimics `str.split` from Python,
/// \param[in] str String to tokenise.
/// \param[in] delims One or more delimiters used to split the string.
/// \param[in] skipEmpty Strip empty strings from the output.
std::vector<std::string> Split(std::string_view str, std::string_view delims, bool skipEmpty /* =false */)
{
   std::vector<std::string> out;
 
   std::size_t beg = 0;
   std::size_t end = 0;
   while ((end = str.find_first_of(delims, beg)) != std::string::npos) {
      if (!skipEmpty || end > beg)
         out.emplace_back(str.substr(beg, end - beg));
      beg = end + 1;
   }
   if (!skipEmpty || str.size() > beg)
      out.emplace_back(str.substr(beg, str.size() - beg));
 
   return out;
}
 
} // namespace ROOT