private static bool FieldIsValid(PassportField field)
{
return(field.FieldName switch
{
"byr" => IsYearInRange(field.Value, 1920, 2002),
"iyr" => IsYearInRange(field.Value, 2010, 2020),
"eyr" => IsYearInRange(field.Value, 2020, 2030),
"hgt" => IsValidHeight(field.Value),
"hcl" => IsHexColor(field.Value),
"ecl" => IsEyeColor(field.Value),
"pid" => IsValidPassportId(field.Value),
_ => true
});
public static IEnumerable <Passport> Parse(string input)
{
var passports = input.Split("\n\n");
var parsedPassports = new List <Passport>();
foreach (var passport in passports)
{
var currentPassport = new Passport();
var fields = Regex.Split(passport, @"[\s\n]");
foreach (var field in fields)
{
var fieldInfo = field.Split(":");
var name = fieldInfo[0];
var value = fieldInfo[1];
PassportField currentField = null;
switch (name)
{
case "byr":
currentField = new BirthYearField(value);
break;
case "iyr":
currentField = new IssueYearField(value);
break;
case "eyr":
currentField = new ExpirationYearField(value);
break;
case "hgt":
currentField = new HeightField(value);
break;
case "hcl":
currentField = new HairColorField(value);
break;
case "ecl":
currentField = new EyeColorField(value);
break;
case "pid":
currentField = new PassportIdField(value);
break;
case "cid":
currentField = new CountryIdField(value);
break;
}
if (currentField != null)
{
currentPassport.Fields.Add(currentField);
}
}
parsedPassports.Add(currentPassport);
}
return(parsedPassports);
}