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Make...Template

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Esiur Project
2022-08-17 22:49:21 +03:00
parent 2f379732ae
commit ebcf8525fa
8 changed files with 353 additions and 268 deletions
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116
Esiur/Resource/Template/FunctionTemplate.cs
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@@ -1,8 +1,11 @@
using Esiur.Data;
using Esiur.Core;
using Esiur.Data;
using Esiur.Net.IIP;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
@@ -71,4 +74,115 @@ public class FunctionTemplate : MemberTemplate
this.Annotation = annotation;
this.IsStatic = isStatic;
}
public static FunctionTemplate MakeFunctionTemplate(Type type, MethodInfo mi, byte index = 0, string customName = null, TypeTemplate typeTemplate = null)
{
var genericRtType = mi.ReturnType.IsGenericType ? mi.ReturnType.GetGenericTypeDefinition() : null;
var rtType = genericRtType == typeof(AsyncReply<>) ?
RepresentationType.FromType(mi.ReturnType.GetGenericArguments()[0]) :
RepresentationType.FromType(mi.ReturnType);
if (rtType == null)
throw new Exception($"Unsupported type `{mi.ReturnType}` in method `{type.Name}.{mi.Name}` return");
var annotationAttr = mi.GetCustomAttribute<AnnotationAttribute>(true);
var nullableAttr = mi.GetCustomAttribute<NullableAttribute>(true);
var nullableContextAttr = mi.GetCustomAttribute<NullableContextAttribute>(true);
var flags = nullableAttr?.Flags?.ToList() ?? new List<byte>();
var rtNullableAttr = mi.ReturnTypeCustomAttributes.GetCustomAttributes(typeof(NullableAttribute), true).FirstOrDefault() as NullableAttribute;
var rtNullableContextAttr = mi.ReturnTypeCustomAttributes
.GetCustomAttributes(typeof(NullableContextAttribute), true)
.FirstOrDefault() as NullableContextAttribute
?? nullableContextAttr;
var rtFlags = rtNullableAttr?.Flags?.ToList() ?? new List<byte>();
if (rtFlags.Count > 0 && genericRtType == typeof(AsyncReply<>))
rtFlags.RemoveAt(0);
if (rtNullableContextAttr?.Flag == 2)
{
if (rtFlags.Count == 1)
rtType.SetNotNull(rtFlags.FirstOrDefault());
else
rtType.SetNotNull(rtFlags);
}
else
{
if (rtFlags.Count == 1)
rtType.SetNull(rtFlags.FirstOrDefault());
else
rtType.SetNull(rtFlags);
}
var args = mi.GetParameters();
if (args.Length > 0)
{
if (args.Last().ParameterType == typeof(DistributedConnection))
args = args.Take(args.Count() - 1).ToArray();
}
var arguments = args.Select(x =>
{
var argType = RepresentationType.FromType(x.ParameterType);
if (argType == null)
throw new Exception($"Unsupported type `{x.ParameterType}` in method `{type.Name}.{mi.Name}` parameter `{x.Name}`");
var argNullableAttr = x.GetCustomAttribute<NullableAttribute>(true);
var argNullableContextAttr = x.GetCustomAttribute<NullableContextAttribute>(true) ?? nullableContextAttr;
var argFlags = argNullableAttr?.Flags?.ToList() ?? new List<byte>();
if (argNullableContextAttr?.Flag == 2)
{
if (argFlags.Count == 1)
argType.SetNotNull(argFlags.FirstOrDefault());
else
argType.SetNotNull(argFlags);
}
else
{
if (rtFlags.Count == 1)
argType.SetNull(argFlags.FirstOrDefault());
else
argType.SetNull(argFlags);
}
return new ArgumentTemplate()
{
Name = x.Name,
Type = argType,
ParameterInfo = x,
Optional = x.IsOptional
};
})
.ToArray();
var fn = customName ?? mi.Name;
var ft = new FunctionTemplate(typeTemplate, index, fn, mi.DeclaringType != type,
mi.IsStatic,
arguments, rtType);
if (annotationAttr != null)
ft.Annotation = annotationAttr.Annotation;
else
ft.Annotation = "(" + String.Join(",", mi.GetParameters().Where(x => x.ParameterType != typeof(DistributedConnection)).Select(x => "[" + x.ParameterType.Name + "] " + x.Name)) + ") -> " + mi.ReturnType.Name;
ft.MethodInfo = mi;
// functions.Add(ft);
return ft;
}
}