private static async Task <IEnumerable> ReadMultiple <TObj>(TypeReader reader, ITurnContext context, IEnumerable <string> args, IServiceProvider services)
{
var objs = new List <TObj>();
foreach (var arg in args)
{
var read = await ReadSingle(reader, context, arg.Trim(), services).ConfigureAwait(false);
if (read != null)
{
objs.Add((TObj)read);
}
}
return(objs.ToImmutableArray());
}
internal ParameterInfo(ParameterBuilder builder, CommandInfo command, CommandService service)
{
Command = command;
Name = builder.Name;
Summary = builder.Summary;
IsOptional = builder.IsOptional;
IsRemainder = builder.IsRemainder;
IsMultiple = builder.IsMultiple;
Type = builder.ParameterType;
DefaultValue = builder.DefaultValue;
Preconditions = builder.Preconditions.ToImmutableArray();
Attributes = builder.Attributes.ToImmutableArray();
_reader = builder.TypeReader;
}
internal static TypeReader GetTypeReader(CommandService service, Type paramType, Type typeReaderType, IServiceProvider services)
{
var readers = service.GetTypeReaders(paramType);
TypeReader reader = null;
if (readers != null)
{
if (readers.TryGetValue(typeReaderType, out reader))
{
return(reader);
}
}
//We dont have a cached type reader, create one
reader = ReflectionUtils.CreateObject <TypeReader>(typeReaderType.GetTypeInfo(), service, services);
service.AddTypeReader(paramType, reader, false);
return(reader);
}
/// <summary>
/// Adds a custom <see cref="TypeReader" /> to this <see cref="CommandService" /> for the supplied object
/// type.
/// If <paramref name="type" /> is a <see cref="ValueType" />, a nullable <see cref="TypeReader" /> for the
/// value type will also be added.
/// </summary>
/// <param name="type">A <see cref="Type" /> instance for the type to be read.</param>
/// <param name="reader">An instance of the <see cref="TypeReader" /> to be added.</param>
/// <param name="replaceDefault">
/// Defines whether the <see cref="TypeReader"/> should replace the default one for <see cref="Type" /> if
/// it exists.
/// </param>
public void AddTypeReader(Type type, TypeReader reader, bool replaceDefault)
{
if (replaceDefault && HasDefaultTypeReader(type))
{
_defaultTypeReaders.AddOrUpdate(type, reader, (k, v) => reader);
if (type.GetTypeInfo().IsValueType)
{
var nullableType = typeof(Nullable <>).MakeGenericType(type);
var nullableReader = NullableTypeReader.Create(type, reader);
_defaultTypeReaders.AddOrUpdate(nullableType, nullableReader, (k, v) => nullableReader);
}
}
else
{
var readers = _typeReaders.GetOrAdd(type, x => new ConcurrentDictionary <Type, TypeReader>());
readers[reader.GetType()] = reader;
if (type.GetTypeInfo().IsValueType)
{
AddNullableTypeReader(type, reader);
}
}
}
public static TypeReader Create(Type type, TypeReader reader)
{
var constructor = typeof(NullableTypeReader <>).MakeGenericType(type).GetTypeInfo().DeclaredConstructors.First();
return((TypeReader)constructor.Invoke(new object[] { reader }));
}
/// <summary> /// Adds a custom <see cref="TypeReader" /> to this <see cref="CommandService" /> for the supplied object /// type. /// If <typeparamref name="T" /> is a <see cref="ValueType" />, a nullable <see cref="TypeReader" /> will /// also be added. /// </summary> /// <typeparam name="T">The object type to be read by the <see cref="TypeReader"/>.</typeparam> /// <param name="reader">An instance of the <see cref="TypeReader" /> to be added.</param> /// <param name="replaceDefault"> /// Defines whether the <see cref="TypeReader"/> should replace the default one for /// <see cref="Type" /> if it exists. /// </param> public void AddTypeReader <T>(TypeReader reader, bool replaceDefault) => AddTypeReader(typeof(T), reader, replaceDefault);
//Type Readers /// <summary> /// Adds a custom <see cref="TypeReader" /> to this <see cref="CommandService" /> for the supplied object /// type. /// If <typeparamref name="T" /> is a <see cref="ValueType" />, a nullable <see cref="TypeReader" /> will /// also be added. /// If a default <see cref="TypeReader" /> exists for <typeparamref name="T" />, a warning will be logged /// and the default <see cref="TypeReader" /> will be replaced. /// </summary> /// <typeparam name="T">The object type to be read by the <see cref="TypeReader"/>.</typeparam> /// <param name="reader">An instance of the <see cref="TypeReader" /> to be added.</param> public void AddTypeReader <T>(TypeReader reader) => AddTypeReader(typeof(T), reader);