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;
}
private 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 <see cref="NullableTypeReader{T}"/> 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">If <paramref name="reader"/> should replace the default <see cref="TypeReader"/> for <paramref name="type"/> if one exists.</param>
public void AddTypeReader(Type type, TypeReader reader, bool replaceDefault)
{
if (replaceDefault && _defaultTypeReaders.ContainsKey(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);
}
}
}
/// <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 <see cref="NullableTypeReader{T}"/> 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">If <paramref name="reader"/> should replace the default <see cref="TypeReader"/> for <typeparamref name="T"/> if one 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 <see cref="NullableTypeReader{T}"/> 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);
public static TypeReader Create(Type type, TypeReader reader)
{
var constructor = typeof(NullableTypeReader <>).MakeGenericType(type).GetTypeInfo().DeclaredConstructors.First();
return((TypeReader)constructor.Invoke(new object[] { reader }));
}
