public StringValidator(StringValidatorOperation operation, string value)
{
_operation = operation;
_checkValue = value;
Value = value;
Operation = (int)operation;
if (!CheckIntegerValueForLenthOperation(operation, _checkValue, out int intValue))
{
throw new ArgumentException($"Incorrect value for string length! Value: {value}");
}
_operationFunc = new Dictionary <StringValidatorOperation, Func <string, bool> >
{
[StringValidatorOperation.LengthGreater] = new Func <string, bool>(x => x.Length > intValue),
[StringValidatorOperation.LengthGreaterOrEqual] = new Func <string, bool>(x => x.Length >= intValue),
[StringValidatorOperation.LengthLess] = new Func <string, bool>(x => x.Length < intValue),
[StringValidatorOperation.LengthLessOrEqual] = new Func <string, bool>(x => x.Length <= intValue),
[StringValidatorOperation.StartWith] = new Func <string, bool>(x => x.StartsWith(_checkValue)),
[StringValidatorOperation.Contains] = new Func <string, bool>(x => x.Contains(_checkValue)),
[StringValidatorOperation.EndWith] = new Func <string, bool>(x => x.EndsWith(_checkValue)),
[StringValidatorOperation.NotEmpty] = new Func <string, bool>(x => !string.IsNullOrWhiteSpace(x))
};
}
private bool CheckIntegerValueForLenthOperation(StringValidatorOperation operation, string value, out int result)
{
if (_lengthOperations.Contains(operation))
{
return(int.TryParse(value, out result));
}
result = default;
return(true);
}
public StringValidator(StringValidatorOperation operation, int value) : this(operation, value.ToString())
{
}
