using System; namespace Google.Protobuf.Reflection { /// <summary> /// Extra information provided by generated code when initializing a message or file descriptor. /// These are constructed as required, and are not long-lived. Hand-written code should /// never need to use this type. /// </summary> public sealed class GeneratedCodeInfo { private static readonly string[] EmptyNames = new string[0]; private static readonly GeneratedCodeInfo[] EmptyCodeInfo = new GeneratedCodeInfo[0]; /// <summary> /// Irrelevant for file descriptors; the CLR type for the message for message descriptors. /// </summary> public Type ClrType { get; private set; } /// <summary> /// Irrelevant for file descriptors; the CLR property names (in message descriptor field order) /// for fields in the message for message descriptors. /// </summary> public string[] PropertyNames { get; private set; } /// <summary> /// Irrelevant for file descriptors; the CLR property "base" names (in message descriptor oneof order) /// for oneofs in the message for message descriptors. It is expected that for a oneof name of "Foo", /// there will be a "FooCase" property and a "ClearFoo" method. /// </summary> public string[] OneofNames { get; private set; } /// <summary> /// The reflection information for types within this file/message descriptor. Elements may be null /// if there is no corresponding generated type, e.g. for map entry types. /// </summary> public GeneratedCodeInfo[] NestedTypes { get; private set; } /// <summary> /// The CLR types for enums within this file/message descriptor. /// </summary> public Type[] NestedEnums { get; private set; } /// <summary> /// Creates a GeneratedCodeInfo for a message descriptor, with nested types, nested enums, the CLR type, property names and oneof names. /// Each array parameter may be null, to indicate a lack of values. /// The parameter order is designed to make it feasible to format the generated code readably. /// </summary> public GeneratedCodeInfo(Type clrType, string[] propertyNames, string[] oneofNames, Type[] nestedEnums, GeneratedCodeInfo[] nestedTypes) { NestedTypes = nestedTypes ?? EmptyCodeInfo; NestedEnums = nestedEnums ?? ReflectionUtil.EmptyTypes; ClrType = clrType; PropertyNames = propertyNames ?? EmptyNames; OneofNames = oneofNames ?? EmptyNames; } /// <summary> /// Creates a GeneratedCodeInfo for a file descriptor, with only types and enums. /// </summary> public GeneratedCodeInfo(Type[] nestedEnums, GeneratedCodeInfo[] nestedTypes) : this(null, null, null, nestedEnums, nestedTypes) { } } }