private static string[] GetAliases(CommandLineAttribute attribute)
{
if (attribute != null)
{
return(attribute.Aliases);
}
return(new string[0]);
}
protected ParameterInfo([NotNull] PropertyInfo propertyInfo, [NotNull] CommandLineAttribute commandLineAttribute)
{
PropertyInfo = propertyInfo ?? throw new ArgumentNullException(nameof(propertyInfo));
CommandLineAttribute = commandLineAttribute ?? throw new ArgumentNullException(nameof(commandLineAttribute));
ParameterType = propertyInfo.PropertyType;
Identifiers = commandLineAttribute.GetIdentifiers().ToArray();
ParameterName = commandLineAttribute.Name ?? PropertyInfo.Name;
Index = commandLineAttribute.GetIndex();
}
private static string GetArgumentName(PropertyInfo info, CommandLineAttribute commandLineAttribute)
{
string primaryName = info.Name;
if (commandLineAttribute?.Name != null)
{
return(commandLineAttribute.Name.ToLowerInvariant());
}
return(primaryName.ToLowerInvariant());
}
public virtual void PrintPropertyHelp(PropertyInfo property)
{
propertyInfo = property;
commandLineAttribute = propertyInfo.GetAttribute <CommandLineAttribute>();
detailedHelpTextAttribute = propertyInfo.GetAttribute <DetailedHelpTextAttribute>();
helpTextAttribute = propertyInfo.GetAttribute <HelpTextAttribute>();
WriteHeader();
WriteContent();
WriteFooter();
}
private bool IsRequired(CommandLineAttribute commandLineAttribute)
{
return(commandLineAttribute is ArgumentAttribute attribute && attribute.Required);
}
internal static bool SetArgumentValue <T>(T instance, MappingInfo mappingInfo, IDictionary <string, CommandLineArgument> arguments)
{
PropertyInfo propertyInfo = mappingInfo.PropertyInfo;
CommandLineAttribute attribute = mappingInfo.CommandLineAttribute;
var count = 0;
bool trim = attribute.TrimQuotation();
CommandLineArgument argument;
string stringValue;
foreach (var name in mappingInfo.GetNames())
{
if (arguments.TryGetValue(name, out argument))
{
if (argument.Value == null)
{
throw new CommandLineArgumentException($"The value of the argument '{argument.Name}' was not specified.")
{
Reason = ErrorReason.ArgumentWithoutValue
}
}
;
stringValue = GetValue(argument.Value, trim);
propertyInfo.SetValue(instance, ConvertValue(propertyInfo.PropertyType, stringValue, (t, v) => CreateErrorMessage(t, v, name)), null);
mappingInfo.CommandLineArgument = argument;
argument.Mapped = true;
if (!mappingInfo.IsShared())
{
arguments.Remove(name);
}
count++;
}
}
if (count == 0 && TryGetByIndex(arguments, mappingInfo, out var entry))
{
argument = entry.Value;
if (argument != null && argument.Value == null)
{
stringValue = GetValue(argument.Name, trim);
propertyInfo.SetValue(instance, ConvertValue(propertyInfo.PropertyType, stringValue, (t, v) => CreateErrorMessage(t, v, attribute.Name)), null);
mappingInfo.CommandLineArgument = argument;
arguments.Remove(entry.Key);
count++;
}
}
if (count > 1)
{
throw new AmbiguousCommandLineArgumentsException($"The value for the argument '{mappingInfo.Name}' was specified multiple times.");
}
if (count == 0 && attribute.IsRequired())
{
throw new MissingCommandLineArgumentException(mappingInfo.Name);
}
return(count > 0);
}
public static bool TrimQuotation(this CommandLineAttribute attribute)
{
return(attribute is ArgumentAttribute argumentAttribute && argumentAttribute.TrimQuotation);
}
public static int GetIndex(this CommandLineAttribute attribute)
{
return(attribute is ArgumentAttribute argumentAttribute ? argumentAttribute.Index : -1);
}
public static bool IsRequired(this CommandLineAttribute attribute)
{
return(attribute is ArgumentAttribute argumentAttribute && argumentAttribute.Required);
}
internal MappingInfo([NotNull] PropertyInfo propertyInfo, [NotNull] CommandLineAttribute commandLineAttribute, [NotNull] MappingList mappingList)
{
this.mappingList = mappingList ?? throw new ArgumentNullException(nameof(mappingList));
PropertyInfo = propertyInfo ?? throw new ArgumentNullException(nameof(propertyInfo));
CommandLineAttribute = commandLineAttribute ?? throw new ArgumentNullException(nameof(commandLineAttribute));
}
