using System;
namespace Google.Protobuf.Reflection
{
///
/// 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.
///
public sealed class GeneratedCodeInfo
{
private static readonly string[] EmptyNames = new string[0];
private static readonly GeneratedCodeInfo[] EmptyCodeInfo = new GeneratedCodeInfo[0];
///
/// Irrelevant for file descriptors; the CLR type for the message for message descriptors.
///
public Type ClrType { get; private set; }
///
/// Irrelevant for file descriptors; the CLR property names (in message descriptor field order)
/// for fields in the message for message descriptors.
///
public string[] PropertyNames { get; private set; }
///
/// 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.
///
public string[] OneofNames { get; private set; }
///
/// 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.
///
public GeneratedCodeInfo[] NestedTypes { get; private set; }
///
/// The CLR types for enums within this file/message descriptor.
///
public Type[] NestedEnums { get; private set; }
///
/// 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.
///
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;
}
///
/// Creates a GeneratedCodeInfo for a file descriptor, with only types and enums.
///
public GeneratedCodeInfo(Type[] nestedEnums, GeneratedCodeInfo[] nestedTypes)
: this(null, null, null, nestedEnums, nestedTypes)
{
}
}
}