UserStringParser.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2010 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
 
#include "MantidKernel/DllConfig.h"
#include <string>
#include <vector>
 
namespace Mantid {
namespace Kernel {
 
class MANTID_KERNEL_DLL UserStringParser {
public:
  std::vector<std::vector<unsigned int>> parse(const std::string &userString);
 
private:
  std::vector<std::string> separateComma(const std::string &);
  std::vector<std::vector<unsigned int>> separateColon(const std::string &input);
  std::vector<unsigned int> separateDelimiters(const std::string &input, const std::string &delimiters);
 
  unsigned int toUInt(const std::string &input);
  bool Contains(const std::string &input, char ch);
 
  void Tokenize(const std::string &input, const std::string &delimiter, unsigned int &start, unsigned int &end,
                unsigned int &step);
 
  void parse(const std::string &userString, std::vector<std::vector<unsigned int>> &numbers);
  bool isValid(const std::string &input, std::vector<std::string> &tokens);
  void convertToNumbers(const std::string &input, const std::vector<std::string> &tokens, unsigned int &start,
                        unsigned int &end, unsigned int &step);
  // returns true if the separator before the step string is valid
  bool isValidStepSeparator(const std::string &input, const std::vector<std::string> &tokens);
};
} // namespace Kernel
} // namespace Mantid