StartsWithValidator.cpp

//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include "MantidKernel/StartsWithValidator.h"

namespace Mantid
{
namespace Kernel
{
 
/** Checks if the string passed starts with one from the list
  *  @param value :: The value to test
  *  @return "" if the value is on the list, or "The value does not start with any of the allowed values"
  */
std::string StartsWithValidator::checkValidity(const std::string & value) const
{
  for(auto it = m_allowedValues.begin(); it != m_allowedValues.end(); ++it )
  {
    if ( value.substr(0, it->size()) == *it )
    {
      return "";
    }
  }
  if ( isEmpty(value) ) return "Select a value";
  std::ostringstream os;
  os << "The value \"" << value << "\" does not start with any of the allowed values";
  return os.str();
}

} // namespace Kernel
} // namespace Mantid