/// <summary>
/// Invokes the opt 'RequestMessage()' and reads the next line from the console.
/// Uses the Func to parse and validate the input and, if it returns null, a decision is made according to opt.
/// </summary>
/// <param name="opt"></param>
/// <param name="parse"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static T ReadInput <T>(IInputOptions opt, Func <string, T> parse)
{
opt.PrintRequestMsg();
if (parse == null)
{
throw new ArgumentNullException("parse");
}
T result = parse(In.ReadLine());
if (result != null)
{
return(result);
}
if (opt.ShowInvalidInputMsg)
{
opt.PrintInvalidInputMsg();
}
if (opt.RepeatWhenInvalid)
{
return(In.ReadInput <T>(opt, parse));
}
return(default(T));
}
/// <summary>
/// Returns 'ReadInput(IInputOptions opt, Func parse)'* with the specified parameters.
/// If you don't specify the 'parse' parameter, it will automatically check for empty string<para/>
/// * Invokes the opt 'RequestMessage()' and reads the next line from the console.
/// Uses the Func to parse and validate the input and, if it returns null, a decision is made according to opt.<para/>
/// - If you just want the raw string, use <c>In.ReadLine</c>
/// </summary>
/// <param name="opt"></param>
/// <param name="parse">
/// If null (default value), will be: '<c>(s) => string.IsNullOrWhiteSpace(s) ? null : s</c>'<para/>
/// </param>
/// <returns></returns>
public static string ReadString(IInputOptions opt, Func <string, string> parse = null)
{
if (parse == null)
{
parse = s => string.IsNullOrWhiteSpace(s) ? null : s;
}
return(In.ReadInput <string>(opt, parse));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to sbyte.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static sbyte?ReadSbyte(IInputOptions opt)
{
return(ReadInput <sbyte?>(opt, InputParser.ParseSbyte));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to double.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static double?ReadDouble(IInputOptions opt)
{
return(ReadInput <double?>(opt, InputParser.ToDouble));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to byte.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static byte?ReadByte(IInputOptions opt)
{
return(ReadInput <byte?>(opt, InputParser.ParseByte));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to long.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static long?ReadLong(IInputOptions opt)
{
return(ReadInput <long?>(opt, InputParser.ToLong));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to float.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static float?ReadFloat(IInputOptions opt)
{
return(ReadInput <float?>(opt, InputParser.ToFloat));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to ulong.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static ulong?ReadUlong(IInputOptions opt)
{
return(ReadInput <ulong?>(opt, InputParser.ToUlong));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to int.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static int?ReadInt(IInputOptions opt)
{
return(ReadInput <int?>(opt, InputParser.ToInt));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to uint.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static uint?ReadUint(IInputOptions opt)
{
return(ReadInput <uint?>(opt, InputParser.ToUint));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to short.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static short?ReadShort(IInputOptions opt)
{
return(ReadInput <short?>(opt, InputParser.ToShort));
}
/// <summary>
/// Invokes 'ReadInput' with the specified options and a parser to ushort.
/// </summary>
/// <param name="opt"></param>
/// <returns></returns>
public static ushort?ReadUshort(IInputOptions opt)
{
return(ReadInput <ushort?>(opt, InputParser.ToUshort));
}