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redid ShowHelp() for easier future changes, and for the ability to word wrap

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This commit is contained in:
Carson McManus 2016-08-25 21:15:47 -04:00
parent 9648b9a27f
commit b7d2f8a0ee
1 changed files with 34 additions and 2 deletions
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36
Program.cs
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@ -132,6 +132,12 @@ public static class Program
static void ShowHelp()
{
var descPadding = 26;
var descWidth = Console.BufferWidth - descPadding;
if (descWidth < 20)
descWidth = 20;
else if (descWidth > 56)
descWidth = 56;
var flags = new Dictionary<string, string>
{
{ "-h, --help", "Display this help message." },
@ -152,13 +158,39 @@ public static class Program
Console.WriteLine();
foreach (var flag in flags)
{
Console.WriteLine($"{flag.Key.PadRight(descPadding)}{flag.Value}");
// word wrap the descriptions, if needed
var desc = flag.Value;
if (desc.Length > descWidth)
{
var sb = new StringBuilder();
for (int i = 0; i < desc.Length; i += descWidth)
{
if (i > 0)
sb.Append("".PadLeft((flag.Key.StartsWith("--") ? 5 : 2) + descPadding));
sb.AppendLine(desc.Substring(i, i + descWidth > desc.Length ? desc.Length - i : descWidth).Trim());
}
desc = sb.ToString().TrimEnd('\n');
}
Console.WriteLine($"{(flag.Key.StartsWith("--") ? " " : " " )}{flag.Key.PadRight(descPadding)}{desc}");
}
Console.WriteLine();
Console.WriteLine("Actions:");
foreach (var action in actions)
{
Console.WriteLine($"{action.Key.PadRight(descPadding)}{action.Value}");
// word wrap the descriptions, if needed
var desc = action.Value;
if (desc.Length > descWidth)
{
var sb = new StringBuilder();
for (int i = 0; i < desc.Length; i += descWidth)
{
if (i > 0)
sb.Append("".PadLeft(descPadding + 2));
sb.AppendLine(desc.Substring(i, i + descWidth > desc.Length ? desc.Length - i : descWidth).Trim());
}
desc = sb.ToString().TrimEnd('\n');
}
Console.WriteLine($" {action.Key.PadRight(descPadding)}{desc}");
}
}