using System;
using System.Reflection;

namespace Google.Protobuf.Reflection
{
	// Token: 0x02000065 RID: 101
	public sealed class OneofAccessor
	{
		// Token: 0x060005DE RID: 1502 RVA: 0x00014ACC File Offset: 0x00012CCC
		internal OneofAccessor(PropertyInfo caseProperty, MethodInfo clearMethod, OneofDescriptor descriptor)
		{
			if (!caseProperty.CanRead)
			{
				throw new ArgumentException("Cannot read from property");
			}
			this.descriptor = descriptor;
			this.caseDelegate = ReflectionUtil.CreateFuncIMessageT<int>(caseProperty.GetGetMethod());
			this.descriptor = descriptor;
			this.clearDelegate = ReflectionUtil.CreateActionIMessage(clearMethod);
		}

		// Token: 0x170001A8 RID: 424
		// (get) Token: 0x060005DF RID: 1503 RVA: 0x00014B1D File Offset: 0x00012D1D
		public OneofDescriptor Descriptor
		{
			get
			{
				return this.descriptor;
			}
		}

		// Token: 0x060005E0 RID: 1504 RVA: 0x00014B25 File Offset: 0x00012D25
		public void Clear(IMessage message)
		{
			this.clearDelegate(message);
		}

		// Token: 0x060005E1 RID: 1505 RVA: 0x00014B34 File Offset: 0x00012D34
		public FieldDescriptor GetCaseFieldDescriptor(IMessage message)
		{
			int num = this.caseDelegate(message);
			if (num > 0)
			{
				return this.descriptor.ContainingType.FindFieldByNumber(num);
			}
			return null;
		}

		// Token: 0x04000254 RID: 596
		private readonly Func<IMessage, int> caseDelegate;

		// Token: 0x04000255 RID: 597
		private readonly Action<IMessage> clearDelegate;

		// Token: 0x04000256 RID: 598
		private OneofDescriptor descriptor;
	}
}