/// <summary>
/// Coalesce the given string with the given mode using the given fallback.
/// </summary>
/// <param name="input"></param>
/// <param name="fallback"></param>
/// <param name="mode"></param>
/// <returns></returns>
public static string Coalesce(this string input, string fallback, StringCoalesceMode mode)
{
switch (mode)
{
case StringCoalesceMode.Null:
return input ?? fallback;
case StringCoalesceMode.NullOrEmpty:
return string.IsNullOrEmpty(input) ? fallback : input;
default:
return string.IsNullOrWhiteSpace(input) ? fallback : input;
}
}
/// <summary>
/// Coalesce the given string with the given mode using the given fallback.
/// </summary>
/// <param name="input"></param>
/// <param name="fallback"></param>
/// <param name="mode"></param>
/// <returns></returns>
public static string Coalesce(this string input, string fallback, StringCoalesceMode mode) {
switch (mode) {
case StringCoalesceMode.Null :
return input ?? fallback;
case StringCoalesceMode.NullOrEmpty:
return string.IsNullOrEmpty(input) ? fallback : input;
case StringCoalesceMode.NullOrBlank:
return string.IsNullOrWhiteSpace(input) ? fallback : input;
default:
throw new ArgumentOutOfRangeException("mode");
}
}
/// <summary>
/// Coalesce the given string with the given mode using the given fallback.
/// </summary>
/// <param name="input"></param>
/// <param name="fallback"></param>
/// <param name="mode"></param>
/// <returns></returns>
public static string Coalesce(this string input, string fallback, StringCoalesceMode mode)
{
switch (mode)
{
case StringCoalesceMode.Null:
return(input ?? fallback);
case StringCoalesceMode.NullOrEmpty:
return(string.IsNullOrEmpty(input) ? fallback : input);
case StringCoalesceMode.NullOrBlank:
return(string.IsNullOrWhiteSpace(input) ? fallback : input);
default:
throw new ArgumentOutOfRangeException("mode");
}
}