private static bool MapMulti(
PropertyInfo pi,
ParsedArgument <string[]> parsed,
ParsedArguments result)
{
var underlyingType = pi.PropertyType.GetCollectionItemType();
if (underlyingType == null)
{
return(false);
}
var converted = parsed.Value.Select(
stringValue =>
{
var couldConvert = TryChangeType(stringValue, underlyingType, out var convertedValue);
return(couldConvert, convertedValue);
})
.Where(o => o.couldConvert)
.Select(o => o.convertedValue)
.ToArray();
if (converted.Length != parsed.Value.Length)
{
// TODO: throw: one or more items could not be converted
}
var propertyValue = converted.CastCollection(
underlyingType,
pi.PropertyType.IsArray);
// TODO: handle other collection types
pi.SetValue(result, propertyValue);
return(true);
}
private void RenderHelp(ParsedArguments result)
{
var flagHelp = result.Flags.Aggregate(
new Dictionary <string[], string[]>(),
(acc, kvp) =>
{
acc[kvp.Value.Switches] = kvp.Value.Help;
return(acc);
});
var parameterHelp = result.Parameters.Aggregate(
new Dictionary <string[], string[]>(),
(acc, kvp) =>
{
acc[kvp.Value.Switches] = kvp.Value.Help;
return(acc);
});
var sorted = flagHelp.Union(parameterHelp)
.OrderBy(kvp => kvp.Key.FirstOrDefault())
.ToArray();
_help.ForEach(line =>
{
var available = Console.WindowWidth;
var subs = line.SplitLines(available);
subs.ForEach(s => Console.WriteLine(s));
});
sorted.ForEach(o => RenderHelpFor(o.Key, o.Value));
}
private static bool MapEnum(
PropertyInfo pi,
ParsedArgument <string[]> parsed,
ParsedArguments result)
{
return(MapSingle(
pi,
parsed,
result,
() => pi.PropertyType.IsEnum,
(type, value) => Enum.TryParse(type, value?.Replace("-", ""), true, out var converted)
? (true, value: converted)
: (false, value: converted)
));
}
private static bool MapSingle(
PropertyInfo pi,
ParsedArgument <string[]> parsed,
ParsedArguments result)
{
return(MapSingle(
pi,
parsed,
result,
() => !pi.PropertyType.IsCollection(),
(desiredType, value) => TryChangeType(value, desiredType, out var converted)
? (true, converted)
: (false, converted)
));
}
private static bool MapSingle(
PropertyInfo pi,
ParsedArgument <string[]> parsed,
ParsedArguments result,
Func <bool> propertyTypeCheck,
Func <Type, string, (bool success, object converted)> parser)