public static InputDTO Parse(string[] args)
{
if (args == null)
{
throw new NullReferenceException("Array of parameters is null"); //81
}
if (args.Length != InputDTO.CountParams)
{
throw new ArgumentException(
"The number of parameters is incorrect. " +
"There must be: " + InputDTO.CountParams);
}
if (!File.Exists(args[0]))
{
throw new FileNotFoundException();
}
StreamReader reader = new StreamReader(args[0]);
string str;
InputDTO.Algorithms algorithm = 0;
bool doesFoundItem = false;
while (!reader.EndOfStream)
{
str = reader.ReadLine().Trim();
if (Enum.TryParse(str, out algorithm))
{
if (doesFoundItem)
{
throw new ArgumentException(
"File contains several algorithms");
}
doesFoundItem = true;
}
}
if (doesFoundItem == false)
{
throw new ArgumentException(
"The file dosen't contain an algorithm");
}
return(new InputDTO
{
FilePath = args[0],
Algorithm = algorithm
});
}
public static bool DoesFileContainsSingleEnum(string filePath)
{
StreamReader reader = new StreamReader(filePath);
string str;
InputDTO.Algorithms algorithm = 0;
bool doesFoundItem = false;
while (!reader.EndOfStream)
{
str = reader.ReadLine().Trim();
if (Enum.TryParse(str, out algorithm))
{
if (doesFoundItem)
{
return(false);
}
doesFoundItem = true;
}
}
return(doesFoundItem);
}
