mirror of
https://github.com/esiur/esiur-dotnet.git
synced 2025-05-06 11:32:59 +00:00
502 lines
20 KiB
C#
502 lines
20 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 enum RepresentationTypeIdentifier
|
|
{
|
|
Void,
|
|
Dynamic,
|
|
Bool,
|
|
UInt8,
|
|
Int8,
|
|
Char,
|
|
Int16,
|
|
UInt16,
|
|
Int32,
|
|
UInt32,
|
|
Float32,
|
|
Int64,
|
|
UInt64,
|
|
Float64,
|
|
DateTime,
|
|
Int128,
|
|
UInt128,
|
|
Decimal,
|
|
String,
|
|
RawData,
|
|
Resource,
|
|
Record,
|
|
List,
|
|
Map,
|
|
Enum = 0x44,
|
|
TypedResource = 0x45, // Followed by UUID
|
|
TypedRecord = 0x46, // Followed by UUID
|
|
TypedList = 0x48, // Followed by element type
|
|
Tuple2 = 0x50, // Followed by element type
|
|
TypedMap = 0x51, // Followed by key type and value type
|
|
Tuple3 = 0x58,
|
|
Tuple4 = 0x60,
|
|
Tuple5 = 0x68,
|
|
Tuple6 = 0x70,
|
|
Tuple7 = 0x78
|
|
}
|
|
|
|
public class RepresentationType
|
|
{
|
|
|
|
static RepresentationTypeIdentifier[] refTypes = new RepresentationTypeIdentifier[]
|
|
{
|
|
RepresentationTypeIdentifier.Dynamic,
|
|
RepresentationTypeIdentifier.RawData,
|
|
RepresentationTypeIdentifier.String,
|
|
RepresentationTypeIdentifier.Resource,
|
|
RepresentationTypeIdentifier.Record,
|
|
RepresentationTypeIdentifier.Map,
|
|
RepresentationTypeIdentifier.List,
|
|
RepresentationTypeIdentifier.TypedList,
|
|
RepresentationTypeIdentifier.TypedMap,
|
|
RepresentationTypeIdentifier.Tuple2,
|
|
RepresentationTypeIdentifier.Tuple3,
|
|
RepresentationTypeIdentifier.Tuple4,
|
|
RepresentationTypeIdentifier.Tuple5,
|
|
RepresentationTypeIdentifier.Tuple6,
|
|
RepresentationTypeIdentifier.Tuple7,
|
|
RepresentationTypeIdentifier.TypedRecord,
|
|
RepresentationTypeIdentifier.TypedResource
|
|
};
|
|
|
|
public void SetNull(List<byte> flags)
|
|
{
|
|
if (refTypes.Contains(Identifier))
|
|
{
|
|
Nullable = (flags.FirstOrDefault() == 2);
|
|
if (flags.Count > 0)
|
|
flags.RemoveAt(0);
|
|
}
|
|
|
|
if (SubTypes != null)
|
|
foreach (var st in SubTypes)
|
|
st.SetNull(flags);
|
|
}
|
|
|
|
public void SetNull(byte flag)
|
|
{
|
|
if (refTypes.Contains(Identifier))
|
|
{
|
|
Nullable = (flag == 2);
|
|
}
|
|
|
|
if (SubTypes != null)
|
|
foreach (var st in SubTypes)
|
|
st.SetNull(flag);
|
|
}
|
|
|
|
|
|
public void SetNotNull(List<byte> flags)
|
|
{
|
|
if (refTypes.Contains(Identifier))
|
|
{
|
|
Nullable = (flags.FirstOrDefault() != 1);
|
|
if (flags.Count > 0)
|
|
flags.RemoveAt(0);
|
|
}
|
|
|
|
if (SubTypes != null)
|
|
foreach (var st in SubTypes)
|
|
st.SetNotNull(flags);
|
|
}
|
|
|
|
|
|
public override string ToString()
|
|
{
|
|
if (SubTypes != null && SubTypes.Length > 0)
|
|
return Identifier.ToString() + "<" + String.Join(",", SubTypes.Select(x => x.ToString())) + ">" + (Nullable ? "?" : "");
|
|
return Identifier.ToString() + (Nullable ? "?" : "");
|
|
}
|
|
public void SetNotNull(byte flag)
|
|
{
|
|
if (refTypes.Contains(Identifier))
|
|
{
|
|
Nullable = (flag != 1);
|
|
}
|
|
|
|
if (SubTypes != null)
|
|
foreach (var st in SubTypes)
|
|
st.SetNotNull(flag);
|
|
}
|
|
|
|
public Type? GetRuntimeType()
|
|
{
|
|
|
|
if (Identifier == RepresentationTypeIdentifier.TypedList)
|
|
{
|
|
var sub = SubTypes?[0].GetRuntimeType();
|
|
if (sub == null)
|
|
return null;
|
|
|
|
var rt = sub.MakeArrayType();
|
|
|
|
return rt;
|
|
}
|
|
else if (Identifier == RepresentationTypeIdentifier.TypedMap)
|
|
{
|
|
var subs = SubTypes.Select(x => x.GetRuntimeType()).ToArray();
|
|
var rt = typeof(Map<,>).MakeGenericType(subs);
|
|
return rt;
|
|
}
|
|
|
|
return Identifier switch
|
|
{
|
|
(RepresentationTypeIdentifier.Void) => typeof(void),
|
|
(RepresentationTypeIdentifier.Dynamic) => typeof(object),
|
|
(RepresentationTypeIdentifier.Bool) => Nullable ? typeof(bool?) : typeof(bool),
|
|
(RepresentationTypeIdentifier.Char) => Nullable ? typeof(char?) : typeof(char),
|
|
(RepresentationTypeIdentifier.UInt8) => Nullable ? typeof(byte?) : typeof(byte),
|
|
(RepresentationTypeIdentifier.Int8) => Nullable ? typeof(sbyte?) : typeof(sbyte),
|
|
(RepresentationTypeIdentifier.Int16) => Nullable ? typeof(short?) : typeof(short),
|
|
(RepresentationTypeIdentifier.UInt16) => Nullable ? typeof(ushort?) : typeof(ushort),
|
|
(RepresentationTypeIdentifier.Int32) => Nullable ? typeof(int?) : typeof(int),
|
|
(RepresentationTypeIdentifier.UInt32) => Nullable ? typeof(uint?) : typeof(uint),
|
|
(RepresentationTypeIdentifier.Int64) => Nullable ? typeof(ulong?) : typeof(long),
|
|
(RepresentationTypeIdentifier.UInt64) => Nullable ? typeof(ulong?) : typeof(ulong),
|
|
(RepresentationTypeIdentifier.Float32) => Nullable ? typeof(float?) : typeof(float),
|
|
(RepresentationTypeIdentifier.Float64) => Nullable ? typeof(double?) : typeof(double),
|
|
(RepresentationTypeIdentifier.Decimal) => Nullable ? typeof(decimal?) : typeof(decimal),
|
|
(RepresentationTypeIdentifier.String) => typeof(string),
|
|
(RepresentationTypeIdentifier.DateTime) => Nullable ? typeof(DateTime?) : typeof(DateTime),
|
|
(RepresentationTypeIdentifier.Resource) => typeof(IResource),
|
|
(RepresentationTypeIdentifier.Record) => typeof(IRecord),
|
|
(RepresentationTypeIdentifier.TypedRecord) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Record)?.DefinedType,
|
|
(RepresentationTypeIdentifier.TypedResource) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Resource)?.DefinedType,
|
|
(RepresentationTypeIdentifier.Enum) => Warehouse.GetTemplateByClassId((Guid)GUID!, TemplateType.Enum)?.DefinedType,
|
|
|
|
_ => null
|
|
};
|
|
}
|
|
|
|
public RepresentationTypeIdentifier Identifier;
|
|
public bool Nullable;
|
|
public Guid? GUID;
|
|
//public RepresentationType? SubType1; // List + Map
|
|
//public RepresentationType? SubType2; // Map
|
|
//public RepresentationType? SubType3; // No types yet
|
|
|
|
public RepresentationType[]? SubTypes = null;
|
|
|
|
|
|
public RepresentationType ToNullable()
|
|
{
|
|
return new RepresentationType(Identifier, true, GUID, SubTypes);
|
|
}
|
|
|
|
public static RepresentationType? FromType(Type type)
|
|
{
|
|
|
|
var nullable = false;
|
|
|
|
var nullType = System.Nullable.GetUnderlyingType(type);
|
|
|
|
if (nullType != null)
|
|
{
|
|
type = nullType;
|
|
nullable = true;
|
|
}
|
|
|
|
if (type == typeof(IResource))
|
|
return new RepresentationType(RepresentationTypeIdentifier.Resource, nullable);
|
|
else if (type == typeof(IRecord) || type == typeof(Record))
|
|
return new RepresentationType(RepresentationTypeIdentifier.Record, nullable);
|
|
else if (type.IsInterface)
|
|
return null; // other interfaces are not supported
|
|
else if (type == typeof(Map<object, object>))
|
|
return new RepresentationType(RepresentationTypeIdentifier.Map, nullable);
|
|
else if (Codec.ImplementsInterface(type, typeof(IResource)))
|
|
{
|
|
return new RepresentationType(
|
|
RepresentationTypeIdentifier.TypedResource,
|
|
nullable,
|
|
TypeTemplate.GetTypeGuid(type)
|
|
);
|
|
}
|
|
else if (Codec.ImplementsInterface(type, typeof(IRecord)))
|
|
{
|
|
return new RepresentationType(
|
|
RepresentationTypeIdentifier.TypedRecord,
|
|
nullable,
|
|
TypeTemplate.GetTypeGuid(type)
|
|
);
|
|
}
|
|
else if (type.IsGenericType)
|
|
{
|
|
var genericType = type.GetGenericTypeDefinition();
|
|
if (genericType == typeof(List<>) || genericType == typeof(VarList<>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
if (args[0] == typeof(object))
|
|
{
|
|
return new RepresentationType(RepresentationTypeIdentifier.List, nullable);
|
|
}
|
|
else
|
|
{
|
|
var subType = FromType(args[0]);
|
|
if (subType == null) // unrecongnized type
|
|
return null;
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null,
|
|
new RepresentationType[] { subType });
|
|
|
|
}
|
|
}
|
|
else if (genericType == typeof(Map<,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
if (args[0] == typeof(object) && args[1] == typeof(object))
|
|
{
|
|
return new RepresentationType(RepresentationTypeIdentifier.Map, nullable);
|
|
}
|
|
else
|
|
{
|
|
var subType1 = FromType(args[0]);
|
|
if (subType1 == null)
|
|
return null;
|
|
|
|
var subType2 = FromType(args[1]);
|
|
if (subType2 == null)
|
|
return null;
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.TypedMap, nullable, null,
|
|
new RepresentationType[] { subType1, subType2 });
|
|
}
|
|
}
|
|
//else if (genericType == typeof(AsyncReply<>))
|
|
//{
|
|
// var args = type.GetGenericArguments();
|
|
// return FromType(args[0]);
|
|
//}
|
|
//else if (genericType == typeof(DistributedPropertyContext<>))
|
|
//{
|
|
// var args = type.GetGenericArguments();
|
|
// return FromType(args[0]);
|
|
//}
|
|
else if (genericType == typeof(ValueTuple<,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple2, nullable, null, subTypes);
|
|
}
|
|
else if (genericType == typeof(ValueTuple<,,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple3, nullable, null, subTypes);
|
|
}
|
|
else if (genericType == typeof(ValueTuple<,,,>))
|
|
{
|
|
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple4, nullable, null, subTypes);
|
|
}
|
|
else if (genericType == typeof(ValueTuple<,,,,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple5, nullable, null, subTypes);
|
|
}
|
|
else if (genericType == typeof(ValueTuple<,,,,,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple6, nullable, null, subTypes);
|
|
}
|
|
else if (genericType == typeof(ValueTuple<,,,,,,>))
|
|
{
|
|
var args = type.GetGenericArguments();
|
|
var subTypes = new RepresentationType[args.Length];
|
|
for (var i = 0; i < args.Length; i++)
|
|
{
|
|
var t = FromType(args[i]);
|
|
if (t == null)
|
|
return null;
|
|
subTypes[i] = t;
|
|
}
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.Tuple7, nullable, null, subTypes);
|
|
}
|
|
else
|
|
return null;
|
|
}
|
|
else if (type.IsArray)
|
|
{
|
|
var elementType = type.GetElementType();
|
|
if (elementType == typeof(object))
|
|
return new RepresentationType(RepresentationTypeIdentifier.List, nullable);
|
|
else
|
|
{
|
|
var subType = FromType(elementType);
|
|
|
|
if (subType == null)
|
|
return null;
|
|
|
|
return new RepresentationType(RepresentationTypeIdentifier.TypedList, nullable, null,
|
|
new RepresentationType[] { subType });
|
|
|
|
}
|
|
}
|
|
else if (type.IsEnum)
|
|
{
|
|
return new RepresentationType(RepresentationTypeIdentifier.Enum, nullable, TypeTemplate.GetTypeGuid(type));
|
|
}
|
|
//else if (typeof(Structure).IsAssignableFrom(t) || t == typeof(ExpandoObject) => RepresentationTypeIdentifier.Structure)
|
|
//{
|
|
|
|
//}
|
|
|
|
return type switch
|
|
{
|
|
_ when type == typeof(void) => new RepresentationType(RepresentationTypeIdentifier.Void, nullable),
|
|
_ when type == typeof(object) => new RepresentationType(RepresentationTypeIdentifier.Dynamic, nullable),
|
|
_ when type == typeof(bool) => new RepresentationType(RepresentationTypeIdentifier.Bool, nullable),
|
|
_ when type == typeof(char) => new RepresentationType(RepresentationTypeIdentifier.Char, nullable),
|
|
_ when type == typeof(byte) => new RepresentationType(RepresentationTypeIdentifier.UInt8, nullable),
|
|
_ when type == typeof(sbyte) => new RepresentationType(RepresentationTypeIdentifier.Int8, nullable),
|
|
_ when type == typeof(short) => new RepresentationType(RepresentationTypeIdentifier.Int16, nullable),
|
|
_ when type == typeof(ushort) => new RepresentationType(RepresentationTypeIdentifier.UInt16, nullable),
|
|
_ when type == typeof(int) => new RepresentationType(RepresentationTypeIdentifier.Int32, nullable),
|
|
_ when type == typeof(uint) => new RepresentationType(RepresentationTypeIdentifier.UInt32, nullable),
|
|
_ when type == typeof(long) => new RepresentationType(RepresentationTypeIdentifier.Int64, nullable),
|
|
_ when type == typeof(ulong) => new RepresentationType(RepresentationTypeIdentifier.UInt64, nullable),
|
|
_ when type == typeof(float) => new RepresentationType(RepresentationTypeIdentifier.Float32, nullable),
|
|
_ when type == typeof(double) => new RepresentationType(RepresentationTypeIdentifier.Float64, nullable),
|
|
_ when type == typeof(decimal) => new RepresentationType(RepresentationTypeIdentifier.Decimal, nullable),
|
|
_ when type == typeof(string) => new RepresentationType(RepresentationTypeIdentifier.String, nullable),
|
|
_ when type == typeof(DateTime) => new RepresentationType(RepresentationTypeIdentifier.DateTime, nullable),
|
|
_ => null
|
|
};
|
|
|
|
}
|
|
|
|
public RepresentationType(RepresentationTypeIdentifier identifier, bool nullable, Guid? guid = null, RepresentationType[]? subTypes = null)
|
|
{
|
|
Nullable = nullable;
|
|
Identifier = identifier;
|
|
GUID = guid;
|
|
SubTypes = subTypes;
|
|
}
|
|
|
|
public byte[] Compose()
|
|
{
|
|
var rt = new BinaryList();
|
|
|
|
if (Nullable)
|
|
rt.AddUInt8((byte)(0x80 | (byte)Identifier));
|
|
else
|
|
rt.AddUInt8((byte)Identifier);
|
|
|
|
if (GUID != null)
|
|
rt.AddUInt8Array(DC.ToBytes((Guid)GUID));
|
|
|
|
if (SubTypes != null)
|
|
for (var i = 0; i < SubTypes.Length; i++)
|
|
rt.AddUInt8Array(SubTypes[i].Compose());
|
|
|
|
return rt.ToArray();
|
|
}
|
|
|
|
|
|
//public override string ToString() => Identifier.ToString() + (Nullable ? "?" : "")
|
|
// + TypeTemplate != null ? "<" + TypeTemplate.ClassName + ">" : "";
|
|
|
|
|
|
public static (uint, RepresentationType) Parse(byte[] data, uint offset)
|
|
{
|
|
var oOffset = offset;
|
|
|
|
var header = data[offset++];
|
|
bool nullable = (header & 0x80) > 0;
|
|
var identifier = (RepresentationTypeIdentifier)(header & 0x7F);
|
|
|
|
|
|
if ((header & 0x40) > 0)
|
|
{
|
|
|
|
var hasGUID = (header & 0x4) > 0;
|
|
var subsCount = (header >> 3) & 0x7;
|
|
|
|
Guid? guid = null;
|
|
|
|
if (hasGUID)
|
|
{
|
|
guid = data.GetGuid(offset);
|
|
offset += 16;
|
|
}
|
|
|
|
var subs = new RepresentationType[subsCount];
|
|
|
|
for (var i = 0; i < subsCount; i++)
|
|
{
|
|
(var len, subs[i]) = RepresentationType.Parse(data, offset);
|
|
offset += len;
|
|
}
|
|
|
|
return (offset - oOffset, new RepresentationType(identifier, nullable, guid, subs));
|
|
}
|
|
else
|
|
{
|
|
return (1, new RepresentationType(identifier, nullable));
|
|
}
|
|
}
|
|
|
|
}
|
|
} |