fix build problem

BizHawk.Common/TextState.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices;
+using Newtonsoft.Json;
+
+namespace BizHawk.Common
+{
+	// managed counterpart to unmanaged serialization code in GB and WSWAN cores
+
+	// T is a class that has any other data you want to serialize in it
+	public class TextState<T>
+		where T: new()
+	{
+		public TextState()
+		{
+			ExtraData = new T();
+		}
+
+		public class Node
+		{
+			public Dictionary<string, byte[]> Data = new Dictionary<string, byte[]>();
+			public Dictionary<string, Node> Objects = new Dictionary<string, Node>();
+		}
+
+		public Node Root = new Node();
+
+		[JsonIgnore]
+		Stack<Node> Nodes;
+		[JsonIgnore]
+		Node Current { get { return Nodes.Peek(); } }
+
+		public void Prepare()
+		{
+			Nodes = new Stack<Node>();
+			Nodes.Push(Root);
+		}
+
+		public void Save(IntPtr data, int length, string name)
+		{
+			byte[] d = new byte[length];
+			Marshal.Copy(data, d, 0, length);
+			Current.Data.Add(name, d);
+		}
+		public void Load(IntPtr data, int length, string name)
+		{
+			byte[] d = Current.Data[name];
+			Marshal.Copy(d, 0, data, length);
+		}
+		public void EnterSection(string name)
+		{
+			Node next = null;
+			Current.Objects.TryGetValue(name, out next);
+			if (next == null)
+			{
+				next = new Node();
+				Current.Objects.Add(name, next);
+			}
+			Nodes.Push(next);
+		}
+		public void ExitSection(string name)
+		{
+			Node last = Nodes.Pop();
+			if (Current.Objects[name] != last)
+				throw new InvalidOperationException();
+		}
+
+		// other data besides the core
+		public T ExtraData;
+
+		public TextStateFPtrs GetFunctionPointers()
+		{
+			return new TextStateFPtrs
+			{
+				Save = new TextStateFPtrs.DataFunction(Save),
+				Load = new TextStateFPtrs.DataFunction(Load),
+				EnterSection = new TextStateFPtrs.SectionFunction(EnterSection),
+				ExitSection = new TextStateFPtrs.SectionFunction(ExitSection)
+			};
+		}
+	}
+	[StructLayout(LayoutKind.Sequential)]
+	public struct TextStateFPtrs
+	{
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void DataFunction(IntPtr data, int length, string name);
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void SectionFunction(string name);
+
+		public DataFunction Save;
+		public DataFunction Load;
+		public SectionFunction EnterSection;
+		public SectionFunction ExitSection;
+	}
+
+
+}