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			502 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			502 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using Esiur.Core;
 | |
| using Esiur.Net.IIP;
 | |
| using Esiur.Resource;
 | |
| using Esiur.Resource.Template;
 | |
| using System;
 | |
| using System.Collections;
 | |
| using System.Collections.Generic;
 | |
| using System.Dynamic;
 | |
| using System.Linq;
 | |
| using System.Text;
 | |
| 
 | |
| #nullable enable
 | |
| 
 | |
| namespace Esiur.Data
 | |
| {
 | |
|     public class TRU
 | |
|     {
 | |
| 
 | |
|         static TRUIdentifier[] refTypes = new TRUIdentifier[]
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|           {
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|                     TRUIdentifier.Dynamic,
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|                     TRUIdentifier.RawData,
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|                     TRUIdentifier.String,
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|                     TRUIdentifier.Resource,
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|                     TRUIdentifier.Record,
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|                     TRUIdentifier.Map,
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|                     TRUIdentifier.List,
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|                     TRUIdentifier.TypedList,
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|                     TRUIdentifier.TypedMap,
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|                     TRUIdentifier.Tuple2,
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|                     TRUIdentifier.Tuple3,
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|                     TRUIdentifier.Tuple4,
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|                     TRUIdentifier.Tuple5,
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|                     TRUIdentifier.Tuple6,
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|                     TRUIdentifier.Tuple7,
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|                     TRUIdentifier.TypedRecord,
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|                     TRUIdentifier.TypedResource
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|           };
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| 
 | |
|         static Map<TDUIdentifier, TRUIdentifier> typesMap = new Map<TDUIdentifier, TRUIdentifier>()
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|         {
 | |
|             [TDUIdentifier.UInt8] = TRUIdentifier.UInt8,
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|             [TDUIdentifier.Int8] = TRUIdentifier.Int8,
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|             [TDUIdentifier.UInt16] = TRUIdentifier.UInt16,
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|             [TDUIdentifier.Int16] = TRUIdentifier.Int16,
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|             [TDUIdentifier.UInt32] = TRUIdentifier.UInt32,
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|             [TDUIdentifier.Int32] = TRUIdentifier.Int32,
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|             [TDUIdentifier.UInt64] = TRUIdentifier.UInt64,
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|             [TDUIdentifier.Int64] = TRUIdentifier.Int64,
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|             [TDUIdentifier.UInt128] = TRUIdentifier.UInt128,
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|             [TDUIdentifier.Int128] = TRUIdentifier.Int128,
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|             [TDUIdentifier.Char8] = TRUIdentifier.Char,
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|             [TDUIdentifier.DateTime] = TRUIdentifier.DateTime,
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|             [TDUIdentifier.Float32] = TRUIdentifier.Float32,
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|             [TDUIdentifier.Float64] = TRUIdentifier.Float64,
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|             [TDUIdentifier.Decimal128] = TRUIdentifier.Decimal,
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|             [TDUIdentifier.False] = TRUIdentifier.Bool,
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|             [TDUIdentifier.True] = TRUIdentifier.Bool,
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|             [TDUIdentifier.Map] = TRUIdentifier.Map,
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|             [TDUIdentifier.List] = TRUIdentifier.List,
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|             [TDUIdentifier.RawData] = TRUIdentifier.RawData,
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|             [TDUIdentifier.Record] = TRUIdentifier.Record,
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|             [TDUIdentifier.String] = TRUIdentifier.String,
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|         };
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| 
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|         
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| 
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|         public void SetNull(List<byte> flags)
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|         {
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|             if (refTypes.Contains(Identifier))
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|             {
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|                 Nullable = (flags.FirstOrDefault() == 2);
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|                 if (flags.Count > 0)
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|                     flags.RemoveAt(0);
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|             }
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| 
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|             if (SubTypes != null)
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|                 foreach (var st in SubTypes)
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|                     st.SetNull(flags);
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|         }
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| 
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|         public void SetNull(byte flag)
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|         {
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|             if (refTypes.Contains(Identifier))
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|             {
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|                 Nullable = (flag == 2);
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|             }
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| 
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|             if (SubTypes != null)
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|                 foreach (var st in SubTypes)
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|                     st.SetNull(flag);
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|         }
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| 
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| 
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|         public void SetNotNull(List<byte> flags)
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|         {
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|             if (refTypes.Contains(Identifier))
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|             {
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|                 Nullable = (flags.FirstOrDefault() != 1);
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|                 if (flags.Count > 0)
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|                     flags.RemoveAt(0);
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|             }
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| 
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|             if (SubTypes != null)
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|                 foreach (var st in SubTypes)
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|                     st.SetNotNull(flags);
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|         }
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| 
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| 
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|         public override string ToString()
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|         {
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|             if (SubTypes != null && SubTypes.Length > 0)
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|                 return Identifier.ToString() + "<" + String.Join(",", SubTypes.Select(x => x.ToString())) + ">" + (Nullable ? "?" : "");
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|             return Identifier.ToString() + (Nullable ? "?" : "");
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|         }
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|         public void SetNotNull(byte flag)
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|         {
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|             if (refTypes.Contains(Identifier))
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|             {
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|                 Nullable = (flag != 1);
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|             }
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| 
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|             if (SubTypes != null)
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|                 foreach (var st in SubTypes)
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|                     st.SetNotNull(flag);
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|         }
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| 
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|         public Type? GetRuntimeType(Warehouse warehouse)
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|         {
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| 
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|             if (Identifier == TRUIdentifier.TypedList)
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|             {
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|                 var sub = SubTypes?[0].GetRuntimeType(warehouse);
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|                 if (sub == null)
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|                     return null;
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| 
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|                 var rt = sub.MakeArrayType();
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| 
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|                 return rt;
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|             }
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|             else if (Identifier == TRUIdentifier.TypedMap)
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|             {
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|                 var subs = SubTypes.Select(x => x.GetRuntimeType(warehouse)).ToArray();
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|                 var rt = typeof(Map<,>).MakeGenericType(subs);
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|                 return rt;
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|             }
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|             
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|             return Identifier switch
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|             {
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|                 (TRUIdentifier.Void) => typeof(void),
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|                 (TRUIdentifier.Dynamic) => typeof(object),
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|                 (TRUIdentifier.Bool) => Nullable ? typeof(bool?) : typeof(bool),
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|                 (TRUIdentifier.Char) => Nullable ? typeof(char?) : typeof(char),
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|                 (TRUIdentifier.UInt8) => Nullable ? typeof(byte?) : typeof(byte),
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|                 (TRUIdentifier.Int8) => Nullable ? typeof(sbyte?) : typeof(sbyte),
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|                 (TRUIdentifier.Int16) => Nullable ? typeof(short?) : typeof(short),
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|                 (TRUIdentifier.UInt16) => Nullable ? typeof(ushort?) : typeof(ushort),
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|                 (TRUIdentifier.Int32) => Nullable ? typeof(int?) : typeof(int),
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|                 (TRUIdentifier.UInt32) => Nullable ? typeof(uint?) : typeof(uint),
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|                 (TRUIdentifier.Int64) => Nullable ? typeof(ulong?) : typeof(long),
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|                 (TRUIdentifier.UInt64) => Nullable ? typeof(ulong?) : typeof(ulong),
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|                 (TRUIdentifier.Float32) => Nullable ? typeof(float?) : typeof(float),
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|                 (TRUIdentifier.Float64) => Nullable ? typeof(double?) : typeof(double),
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|                 (TRUIdentifier.Decimal) => Nullable ? typeof(decimal?) : typeof(decimal),
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|                 (TRUIdentifier.String) => typeof(string),
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|                 (TRUIdentifier.DateTime) => Nullable ? typeof(DateTime?) : typeof(DateTime),
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|                 (TRUIdentifier.Resource) => typeof(IResource),
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|                 (TRUIdentifier.Record) => typeof(IRecord),
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|                 (TRUIdentifier.TypedRecord) => warehouse.GetTemplateByClassId((UUID)UUID!, TemplateType.Record)?.DefinedType,
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|                 (TRUIdentifier.TypedResource) => warehouse.GetTemplateByClassId((UUID)UUID!, TemplateType.Resource)?.DefinedType,
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|                 (TRUIdentifier.Enum) =>warehouse.GetTemplateByClassId((UUID)UUID!, TemplateType.Enum)?.DefinedType,
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| 
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|                 _ => null
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|             };
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|         }
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| 
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|         public TRUIdentifier Identifier;
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|         public bool Nullable;
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|         public UUID? UUID;
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|         //public RepresentationType? SubType1; // List + Map
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|         //public RepresentationType? SubType2; // Map
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|         //public RepresentationType? SubType3; // No types yet
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| 
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|         public TRU[]? SubTypes = null;
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| 
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|         public TRU ToNullable()
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|         {
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|             return new TRU(Identifier, true, UUID, SubTypes);
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|         }
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| 
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|         public bool Match(TRU other)
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|         {
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|             if (other.Identifier != Identifier)
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|                 return false;
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|             if (other.UUID != UUID)
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|                 return false;
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| 
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|             if (other.SubTypes != null)
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|             {
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|                 if (other.SubTypes.Length != (SubTypes?.Length ?? -1))
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|                     return false;
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| 
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|                 for (var i = 0; i < SubTypes?.Length; i++)
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|                     if (!SubTypes[i].Match(other.SubTypes[i]))
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|                         return false;
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|             }
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| 
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|             return true;
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|         }
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| 
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|         public static TRU? FromType(Type type)
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|         {
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| 
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|             var nullable = false;
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| 
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|             var nullType = System.Nullable.GetUnderlyingType(type);
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| 
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|             if (nullType != null)
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|             {
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|                 type = nullType;
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|                 nullable = true;
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|             }
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| 
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|             if (type == typeof(IResource))
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|                 return new TRU(TRUIdentifier.Resource, nullable);
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|             else if (type == typeof(IRecord) || type == typeof(Record))
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|                 return new TRU(TRUIdentifier.Record, nullable);
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|             else if (type == typeof(Map<object, object>)
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|                 || type == typeof(Dictionary<object, object>))
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|                 return new TRU(TRUIdentifier.Map, nullable);
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|             else if (Codec.ImplementsInterface(type, typeof(IResource)))
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|             {
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|                 return new TRU(
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|                    TRUIdentifier.TypedResource,
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|                    nullable,
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|                    TypeTemplate.GetTypeUUID(type)
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|                 );
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|             }
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|             else if (Codec.ImplementsInterface(type, typeof(IRecord)))
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|             {
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|                 return new TRU(
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|                    TRUIdentifier.TypedRecord,
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|                    nullable,
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|                    TypeTemplate.GetTypeUUID(type)
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|                 );
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|             }
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|             else if (type.IsGenericType)
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|             {
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|                 var genericType = type.GetGenericTypeDefinition();
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|                 if (genericType == typeof(List<>)
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|                     || genericType == typeof(VarList<>)
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|                     || genericType == typeof(IList<>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     if (args[0] == typeof(object))
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|                     {
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|                         return new TRU(TRUIdentifier.List, nullable);
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|                     }
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|                     else
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|                     {
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|                         var subType = FromType(args[0]);
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|                         if (subType == null) // unrecongnized type
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|                             return null;
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| 
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|                         return new TRU(TRUIdentifier.TypedList, nullable, null,
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|                             new TRU[] { subType });
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| 
 | |
|                     }
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|                 }
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|                 else if (genericType == typeof(Map<,>)
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|                     || genericType == typeof(Dictionary<,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     if (args[0] == typeof(object) && args[1] == typeof(object))
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|                     {
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|                         return new TRU(TRUIdentifier.Map, nullable);
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|                     }
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|                     else
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|                     {
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|                         var subType1 = FromType(args[0]);
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|                         if (subType1 == null)
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|                             return null;
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| 
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|                         var subType2 = FromType(args[1]);
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|                         if (subType2 == null)
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|                             return null;
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| 
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|                         return new TRU(TRUIdentifier.TypedMap, nullable, null,
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|                             new TRU[] { subType1, subType2 });
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|                     }
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|                 }
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|                 else if (genericType == typeof(ValueTuple<,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
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|                     for (var i = 0; i < args.Length; i++)
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|                     {
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|                         var t = FromType(args[i]);
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|                         if (t == null)
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|                             return null;
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|                         subTypes[i] = t;
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|                     }
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| 
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|                     return new TRU(TRUIdentifier.Tuple2, nullable, null, subTypes);
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|                 }
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|                 else if (genericType == typeof(ValueTuple<,,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
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|                     for (var i = 0; i < args.Length; i++)
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|                     {
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|                         var t = FromType(args[i]);
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|                         if (t == null)
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|                             return null;
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|                         subTypes[i] = t;
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|                     }
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| 
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|                     return new TRU(TRUIdentifier.Tuple3, nullable, null, subTypes);
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|                 }
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|                 else if (genericType == typeof(ValueTuple<,,,>))
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|                 {
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| 
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
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|                     for (var i = 0; i < args.Length; i++)
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|                     {
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|                         var t = FromType(args[i]);
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|                         if (t == null)
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|                             return null;
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|                         subTypes[i] = t;
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|                     }
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| 
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|                     return new TRU(TRUIdentifier.Tuple4, nullable, null, subTypes);
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|                 }
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|                 else if (genericType == typeof(ValueTuple<,,,,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
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|                     for (var i = 0; i < args.Length; i++)
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|                     {
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|                         var t = FromType(args[i]);
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|                         if (t == null)
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|                             return null;
 | |
|                         subTypes[i] = t;
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|                     }
 | |
| 
 | |
|                     return new TRU(TRUIdentifier.Tuple5, nullable, null, subTypes);
 | |
|                 }
 | |
|                 else if (genericType == typeof(ValueTuple<,,,,,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
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|                     for (var i = 0; i < args.Length; i++)
 | |
|                     {
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|                         var t = FromType(args[i]);
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|                         if (t == null)
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|                             return null;
 | |
|                         subTypes[i] = t;
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|                     }
 | |
| 
 | |
|                     return new TRU(TRUIdentifier.Tuple6, nullable, null, subTypes);
 | |
|                 }
 | |
|                 else if (genericType == typeof(ValueTuple<,,,,,,>))
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|                 {
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|                     var args = type.GetGenericArguments();
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|                     var subTypes = new TRU[args.Length];
 | |
|                     for (var i = 0; i < args.Length; i++)
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|                     {
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|                         var t = FromType(args[i]);
 | |
|                         if (t == null)
 | |
|                             return null;
 | |
|                         subTypes[i] = t;
 | |
|                     }
 | |
| 
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|                     return new TRU(TRUIdentifier.Tuple7, nullable, null, subTypes);
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|                 }
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|                 else
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|                     return null;
 | |
|             }
 | |
|             else if (type.IsArray)
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|             {
 | |
|                 var elementType = type.GetElementType();
 | |
|                 if (elementType == typeof(object))
 | |
|                     return new TRU(TRUIdentifier.List, nullable);
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|                 else
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|                 {
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|                     var subType = FromType(elementType);
 | |
| 
 | |
|                     if (subType == null)
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|                         return null;
 | |
| 
 | |
|                     return new TRU(TRUIdentifier.TypedList, nullable, null,
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|                         new TRU[] { subType });
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| 
 | |
|                 }
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|             }
 | |
|             else if (type.IsEnum)
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|             {
 | |
|                 return new TRU(TRUIdentifier.Enum, nullable, TypeTemplate.GetTypeUUID(type));
 | |
|             }
 | |
|             else if (type.IsInterface)
 | |
|             {
 | |
|                 return null; // other interfaces are not supported
 | |
|             }
 | |
| 
 | |
|             //else if (typeof(Structure).IsAssignableFrom(t) || t == typeof(ExpandoObject) => TRUIdentifier.Structure)
 | |
|             //{
 | |
| 
 | |
|             //}
 | |
| 
 | |
|             return type switch
 | |
|             {
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|                 _ when type == typeof(void) => new TRU(TRUIdentifier.Void, nullable),
 | |
|                 _ when type == typeof(object) => new TRU(TRUIdentifier.Dynamic, nullable),
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|                 _ when type == typeof(bool) => new TRU(TRUIdentifier.Bool, nullable),
 | |
|                 _ when type == typeof(char) => new TRU(TRUIdentifier.Char, nullable),
 | |
|                 _ when type == typeof(byte) => new TRU(TRUIdentifier.UInt8, nullable),
 | |
|                 _ when type == typeof(sbyte) => new TRU(TRUIdentifier.Int8, nullable),
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|                 _ when type == typeof(short) => new TRU(TRUIdentifier.Int16, nullable),
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|                 _ when type == typeof(ushort) => new TRU(TRUIdentifier.UInt16, nullable),
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|                 _ when type == typeof(int) => new TRU(TRUIdentifier.Int32, nullable),
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|                 _ when type == typeof(uint) => new TRU(TRUIdentifier.UInt32, nullable),
 | |
|                 _ when type == typeof(long) => new TRU(TRUIdentifier.Int64, nullable),
 | |
|                 _ when type == typeof(ulong) => new TRU(TRUIdentifier.UInt64, nullable),
 | |
|                 _ when type == typeof(float) => new TRU(TRUIdentifier.Float32, nullable),
 | |
|                 _ when type == typeof(double) => new TRU(TRUIdentifier.Float64, nullable),
 | |
|                 _ when type == typeof(decimal) => new TRU(TRUIdentifier.Decimal, nullable),
 | |
|                 _ when type == typeof(string) => new TRU(TRUIdentifier.String, nullable),
 | |
|                 _ when type == typeof(DateTime) => new TRU(TRUIdentifier.DateTime, nullable),
 | |
|                 _ => null
 | |
|             };
 | |
| 
 | |
|         }
 | |
| 
 | |
|         public TRU(TRUIdentifier identifier, bool nullable, UUID? uuid = null, TRU[]? subTypes = null)
 | |
|         {
 | |
|             Nullable = nullable;
 | |
|             Identifier = identifier;
 | |
|             UUID = uuid;
 | |
|             SubTypes = subTypes;
 | |
|         }
 | |
| 
 | |
|         public byte[] Compose()
 | |
|         {
 | |
|             var rt = new BinaryList();
 | |
| 
 | |
|             if (Nullable)
 | |
|                 rt.AddUInt8((byte)(0x80 | (byte)Identifier));
 | |
|             else
 | |
|                 rt.AddUInt8((byte)Identifier);
 | |
| 
 | |
|             if (UUID != null)
 | |
|                 rt.AddUInt8Array(UUID.Value.Data);
 | |
| 
 | |
|             if (SubTypes != null)
 | |
|                 for (var i = 0; i < SubTypes.Length; i++)
 | |
|                     rt.AddUInt8Array(SubTypes[i].Compose());
 | |
| 
 | |
|             return rt.ToArray();
 | |
|         }
 | |
| 
 | |
|         public static (uint, TRU) Parse(byte[] data, uint offset)
 | |
|         {
 | |
|             var oOffset = offset;
 | |
| 
 | |
|             var header = data[offset++];
 | |
|             bool nullable = (header & 0x80) > 0;
 | |
|             var identifier = (TRUIdentifier)(header & 0x7F);
 | |
| 
 | |
| 
 | |
|             if ((header & 0x40) > 0)
 | |
|             {
 | |
| 
 | |
|                 var hasUUID = (header & 0x4) > 0;
 | |
|                 var subsCount = (header >> 3) & 0x7;
 | |
| 
 | |
|                 UUID? uuid = null;
 | |
| 
 | |
|                 if (hasUUID)
 | |
|                 {
 | |
|                     uuid = data.GetUUID(offset);
 | |
|                     offset += 16;
 | |
|                 }
 | |
| 
 | |
|                 var subs = new TRU[subsCount];
 | |
| 
 | |
|                 for (var i = 0; i < subsCount; i++)
 | |
|                 {
 | |
|                     (var len, subs[i]) = TRU.Parse(data, offset);
 | |
|                     offset += len;
 | |
|                 }
 | |
| 
 | |
|                 return (offset - oOffset, new TRU(identifier, nullable, uuid, subs));
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 return (1, new TRU(identifier, nullable));
 | |
|             }
 | |
|         }
 | |
| 
 | |
|     }
 | |
| } |