public static bool IsMatchedWith(this ValidationFormat format, string value)
{
if (format.Expression.HasValue())
{
return(Regex.IsMatch(value, format.Expression));
}
if (format.Function != null)
{
return(format.Function(value));
}
return(false);
}
private static bool IsInvalidLength <TValue>(ValidationFormat <TValue> format, TValue value)
{
if (format.MinLength.HasValue && value.ToString().Length < format.MinLength.Value)
{
return(true);
}
if (format.MaxLength.HasValue && value.ToString().Length > format.MaxLength.Value)
{
return(true);
}
return(false);
}
public static bool Matches <TValue>(this ValidationFormat <TValue> format, TValue value)
{
if (format.Function.Exists())
{
return(format.Function(value));
}
if (IsInvalidLength(format, value))
{
return(false);
}
return(Regex.IsMatch(value.ToString(), format.Expression));
}
public static void GuardAgainstInvalid(this string value, ValidationFormat format, string parameterName,
string errorMessage = null)
{
format.GuardAgainstNull(nameof(format));
parameterName.GuardAgainstNullOrEmpty(nameof(parameterName));
var isMatch = format.IsMatchedWith(value);
if (!isMatch)
{
if (errorMessage.HasValue())
{
throw new ArgumentOutOfRangeException(parameterName, errorMessage);
}
throw new ArgumentOutOfRangeException(parameterName);
}
}