/// <summary>
/// Get the shortcut value given a property info object. This can only be called after one of the Args methods
/// has parsed the parent type at least once. Otherwise you will get an InvalidArgDefinitionException.k
/// </summary>
/// <param name="info">The property whose shortcut you want to get.</param>
/// <returns>The shortcut for the property</returns>
public static string GetShortcut(PropertyInfo info)
{
if (RegisteredTypes.Contains(info.DeclaringType) == false)
{
// Ensures that the shortcuts get registered
try { Args.Parse(info.DeclaringType); } catch (Exception) { }
}
if (KnownShortcuts.ContainsKey(info))
{
return(KnownShortcuts[info]);
}
else
{
return(null);
}
}
/// <summary>
/// Creates a new ArgLongForm attirbute using the given long form string.
/// </summary>
/// <param name="value">The long form value. You can provide the two dashes in this string or not. The --long-form pattern will enforced at runtime either way.</param>
public ArgLongForm(string value)
{
this.BeforeParsePriority = 100;
if (value == null)
{
throw new InvalidArgDefinitionException("Values for long form arguments cannot be null", new ArgumentNullException("value"));
}
if (value.StartsWith("--"))
{
value = value.Substring(2);
}
this.value = value;
var myUsageHook = new UsageHook();
myUsageHook.HookExecuting += (usageInfo) =>
{
if (target == null)
{
// This should ensure that the target should be populated if the current property is the target
try { Args.Parse(usageInfo.Property.PropertyType); } catch (Exception) { }
}
if (target == null)
{
return;
}
if (usageInfo.Property == target)
{
usageInfo.Aliases.Add("--" + this.value);
}
};
ArgUsage.RegisterHook(null, myUsageHook);
}