StringContainsValidator.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 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 +
#include "MantidKernel/StringContainsValidator.h"
#include <memory>
 
namespace Mantid::Kernel {
 
StringContainsValidator::StringContainsValidator() : m_requiredStrings(std::vector<std::string>()) {}
 
StringContainsValidator::StringContainsValidator(const std::vector<std::string> &strings)
    : m_requiredStrings(strings) {}
 
IValidator_sptr StringContainsValidator::clone() const { return std::make_shared<StringContainsValidator>(*this); }
 
void StringContainsValidator::setRequiredStrings(const std::vector<std::string> &strings) {
  m_requiredStrings = strings;
}
 
std::string StringContainsValidator::checkValidity(const std::string &value) const {
  std::string error;
  if (m_requiredStrings.empty() && !value.empty()) {
    return "";
  } else {
    if (value.empty()) {
      error += "A value must be entered for this parameter.";
    } else {
      size_t validityCount = 0;
      const size_t total = m_requiredStrings.size();
      for (size_t i = 0; i < total; i++) {
        auto position = value.find(m_requiredStrings.at(i));
        if (position != std::string::npos) {
          validityCount++;
        }
      }
      if (validityCount != total) {
        error += "Error not all the required substrings were contained within "
                 "the input '" +
                 value + "'.";
      }
    }
  }
  return error;
}
 
} // namespace Mantid::Kernel