StringUtils.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
/*
 * File:   StringUtils.h
 * Author: John Lång (john.larry.lang@cern.ch)
 *
 * Created on 14 July 2015, 10:37
 *
 * This library contains miscellaneous functions used in this program for
 * handling (C-style) strings.
 */
 
#ifndef O2_DCS_STRING_UTILS_H
#define O2_DCS_STRING_UTILS_H
 
#include <string>
#include <vector>
#include <list>
#include <memory>
 
namespace o2
{
namespace dcs
{
std::string random_string(const size_t length) noexcept;
 
std::string random_string2(const size_t length) noexcept;
 
uint64_t hash_code(const std::string& input) noexcept;
 
std::unique_ptr<std::vector<std::string>> convert_strings(const int argc,
                                                          char** argv) noexcept;
 
inline void to_upper_case(std::string& str) noexcept
{
  for (char& c : str) {
    c = toupper(c);
  }
}
 
inline void to_lower_case(std::string& str) noexcept
{
  for (char& c : str) {
    c = tolower(c);
  }
}
 
std::unique_ptr<std::vector<std::string>> split(const std::string& source,
                                                const char separator) noexcept;
 
std::unique_ptr<std::vector<std::string>> split_by_whitespace(
  const std::string& source) noexcept;
 
std::string to_hex_big_endian(const char* const start, size_t length) noexcept;
 
std::string to_hex_little_endian(const char* const start, size_t length) noexcept;
 
void print_k_v_list(
  const std::string& list_name,
  const std::list<std::pair<std::string, std::string>>& parameters) noexcept;
 
} // namespace dcs
} // namespace o2
 
#endif /* O2_DCS_STRING_UTILS_H */