MultiFileValidator.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/MultiFileValidator.h"
#include "MantidKernel/Logger.h"
#include <memory>
 
namespace Mantid::Kernel {
namespace {
// static logger
Logger g_log("MultiFileValidator");
} // namespace
 
MultiFileValidator::MultiFileValidator()
    : TypedValidator<std::vector<std::vector<std::string>>>(), m_fileValidator(std::vector<std::string>(), true) {}
 
MultiFileValidator::MultiFileValidator(const MultiFileValidator &mfv)
    : TypedValidator<std::vector<std::vector<std::string>>>(), m_fileValidator(mfv.m_fileValidator) {}
 
void swap(MultiFileValidator &obj1, MultiFileValidator &obj2) {
  using std::swap;
  swap(obj1.m_fileValidator, obj2.m_fileValidator);
}
 
MultiFileValidator &MultiFileValidator::operator=(MultiFileValidator tmp) {
  swap(*this, tmp);
  return *this;
}
 
MultiFileValidator::MultiFileValidator(const std::vector<std::string> &extensions, bool testFilesExist)
    : TypedValidator<std::vector<std::vector<std::string>>>(), m_fileValidator(extensions, testFilesExist) {}
 
std::vector<std::string> MultiFileValidator::allowedValues() const { return m_fileValidator.allowedValues(); }
 
IValidator_sptr MultiFileValidator::clone() const { return std::make_shared<MultiFileValidator>(*this); }
 
std::string MultiFileValidator::checkValidity(const std::vector<std::vector<std::string>> &values) const {
  if (values.empty())
    return m_fileValidator.isValid("");
 
  std::string accumulatedErrors;
 
  for (auto row : values) {
    for (const auto &valueIt : row) {
      // For each filename value, check its validity, and and accumulate any
      // errors.
      std::string error = m_fileValidator.isValid(valueIt);
      if (!error.empty()) {
        if (accumulatedErrors.empty())
          accumulatedErrors = "Could not validate the following file(s): " + valueIt;
        else
          accumulatedErrors.append(", ").append(valueIt);
      }
    }
  }
 
  return accumulatedErrors;
}
 
} // namespace Mantid::Kernel