/// <summary>
/// Indica se se trata de um caractere no intervalo A a Z.
/// </summary>
/// <param name="instance"></param>
/// <param name="itemCase"></param>
/// <returns></returns>
public static bool IsAlphabetic(this char instance, MaskCase itemCase = MaskCase.Normal)
{
switch (itemCase)
{
case MaskCase.Lower:
return(('a' <= instance) && ('z' >= instance));
case MaskCase.Upper:
return(('A' <= instance) && ('Z' >= instance));
}
return((('a' <= instance) && ('z' >= instance)) || (('A' <= instance) && ('Z' >= instance)));
}
/// <summary>
/// Determina se o item atende a especificação de maiísculas/minúsculas fornecida.
/// </summary>
/// <param name="instance"></param>
/// <param name="itemCase"></param>
/// <returns></returns>
public static bool IsCaseMatch(this char instance, MaskCase itemCase)
{
switch (itemCase)
{
case MaskCase.Lower:
return(!Char.IsUpper(instance));
case MaskCase.Upper:
return(!Char.IsLower(instance));
default:
return(true);
}
}
/// <summary>
/// Indica se se trata de um caractere do alfabeto ou de dígito.
/// </summary>
/// <param name="instance"></param>
/// <param name="itemCase"></param>
/// <returns></returns>
public static bool IsAlphaNumeric(this char instance, MaskCase itemCase = MaskCase.Normal)
{
return(instance.IsNumeric() || instance.IsAlphabetic(itemCase));
}
/// <summary>
/// Construtor parametrizado.
/// </summary>
/// <param name="value"></param>
/// <param name="format"></param>
/// <param name="itemCase"></param>
public FormatToken(char value, MaskFormat format, MaskCase itemCase)
{
_value = value;
_format = format;
_itemCase = itemCase;
}
/// <summary>
/// Construtor parametrizado.
/// </summary>
/// <param name="value"></param>
/// <param name="itemCase"></param>
public FormatToken(char value, MaskCase itemCase) : this(value, value.GetMaskFormat(), itemCase)
{
}