warrentyexpired/ModernUO
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feat(codegen): Adds AfterDeserialization support (#615)

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Added the ability to execute arbitrary code after deserialization.

Example, let's say you want to delete an item after you deserialize it:
```cs
        [AfterDeserialization]
        private void OnAfterDeserialization()
        {
            Delete();
        }
```

Generates this:
```cs
        public override void Deserialize(IGenericReader reader)
        {
            base.Deserialize(reader);

            var version = reader.ReadEncodedInt();

            Timer.DelayCall(OnAfterDeserialization);
        }
```
This commit is contained in:
Kamron Batman 2021-05-24 22:30:13 -07:00 • committed by GitHub
parent c3f414f04f
commit b20f3df595
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4 changed files with 56 additions and 0 deletions
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1
Projects/SerializationGenerator/SerializableEntityGeneration/SerializableEntityGeneration.Class.cs
View file

@ -236,6 +236,7 @@ namespace SerializationGenerator
// Deserialize Method
source.GenerateDeserializeMethod(
compilation,
classSymbol,
isOverride,
version,
encodedVersion,

26
Projects/SerializationGenerator/SerializableEntityGeneration/SerializableEntityGeneration.DeserializeMethod.cs
View file

@ -15,6 +15,7 @@
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using System.Text;
using Microsoft.CodeAnalysis;
@ -25,6 +26,7 @@ namespace SerializationGenerator
public static void GenerateDeserializeMethod(
this StringBuilder source,
Compilation compilation,
INamedTypeSymbol classSymbol,
bool isOverride,
int version,
bool encodedVersion,
@ -47,6 +49,7 @@ namespace SerializationGenerator
if (isOverride)
{
source.AppendLine($"{indent}base.Deserialize(reader);");
source.AppendLine();
}
// Version
@ -95,6 +98,29 @@ namespace SerializationGenerator
);
}
var afterDeserialization = classSymbol
.GetMembers()
.OfType<IMethodSymbol>()
.FirstOrDefault(
m =>
m.ReturnsVoid &&
m.Parameters.Length == 0 &&
m.GetAttributes()
.OfType<AttributeData>()
.Any(
attr => attr.AttributeClass?.Equals(
compilation.GetTypeByMetadataName(AFTERDESERIALIZATION_ATTRIBUTE),
SymbolEqualityComparer.Default
) ?? false
)
);
if (afterDeserialization != null)
{
source.AppendLine();
source.AppendLine($"{indent}Timer.DelayCall({afterDeserialization.Name});");
}
source.GenerateMethodEnd();
}
}

1
Projects/SerializationGenerator/SerializableEntityGeneration/SerializableEntityGeneration.MetadataTypes.cs
View file

@ -26,6 +26,7 @@ namespace SerializationGenerator
public const string IPADDRESS_CLASS = "System.Net.IPAddress";
public const string KEYVALUEPAIR_STRUCT = "System.Collections.Generic.KeyValuePair";
public const string AFTERDESERIALIZATION_ATTRIBUTE = "Server.AfterDeserializationAttribute";
public const string SERIALIZABLE_ATTRIBUTE = "Server.SerializableAttribute";
public const string SERIALIZABLE_FIELD_ATTRIBUTE = "Server.SerializableFieldAttribute";
public const string SERIALIZABLE_FIELD_ATTR_ATTRIBUTE = "Server.SerializableFieldAttrAttribute";