/// <summary>
/// Retorna apenas os caracteres alfanuméricos da instância.
/// </summary>
/// <param name="instance"></param>
/// <param name="format"></param>
/// <returns></returns>
public static string Strip(this string instance, GroupFormat format = GroupFormat.Free)
{
if (String.IsNullOrEmpty(instance))
{
return(String.Empty);
}
switch (format)
{
case GroupFormat.Alphabetic:
return(new StringBuilder(instance.Length).Append(instance.Where(v => v.IsAlphabetic()).ToArray()).ToString());
case GroupFormat.AlphaNumeric:
return(new StringBuilder(instance.Length).Append(instance.Where(v => v.IsAlphaNumeric()).ToArray()).ToString());
case GroupFormat.Numeric:
return(new StringBuilder(instance.Length).Append(instance.Where(v => v.IsNumeric()).ToArray()).ToString());
default:
return(instance);
}
}
/// <summary>
/// Construtor parametrizado.
/// </summary>
/// <param name="content"></param>
public FormatMask(string content)
{
_initialValue = content.GetMaskIntialValue();
_content = content.GetMaskContent();
_tokens = _content.GetTokens();
_required = _tokens.Select((v, i) => Tuple.Create(v, i)).Where(t => t.Item1.IsRequired).ToList();
_fillable = _tokens.Select((v, i) => Tuple.Create(v, i)).Where(t => t.Item1.IsFillable).ToList();
_separators = _tokens.Select((v, i) => Tuple.Create(v, i)).Where(t => t.Item1.IsSeparator).ToList();
_formatted = new StringBuilder(_content).Append('|').Append(_initialValue).ToString();
_format = GroupFormat.Empty;
foreach (var token in _tokens)
{
var newFormat = token.Format.GetGroupFormat();
if ((_format == GroupFormat.Empty) || (newFormat == GroupFormat.Free))
{
_format = newFormat;
}
if (_format == GroupFormat.Free)
{
break;
}
if (_format == GroupFormat.Numeric)
{
if ((newFormat == GroupFormat.Alphabetic) || (newFormat == GroupFormat.AlphaNumeric))
{
_format = GroupFormat.AlphaNumeric;
}
}
if (_format == GroupFormat.Alphabetic)
{
if ((newFormat == GroupFormat.Numeric) || (newFormat == GroupFormat.AlphaNumeric))
{
_format = GroupFormat.AlphaNumeric;
}
}
}
}
/// <summary>
/// Indica se o formato de caracteres alfanuméricos.
/// </summary>
/// <param name="instance"></param>
/// <returns></returns>
public static bool IsAlphaNumericFormat(this GroupFormat instance)
{
return(instance == GroupFormat.AlphaNumeric);
}
/// <summary>
/// Indica se o formato é livre.
/// </summary>
/// <param name="instance"></param>
/// <returns></returns>
public static bool IsFreeFormat(this GroupFormat instance)
{
return(instance == GroupFormat.Free);
}