Lua向C#逻辑迁移 一期 #13

将整个插件代码上传

Plugins/UnrealSharp/Managed/UnrealSharpPrograms/UnrealSharpWeaver/Utilities/AttributeUtilities.cs

@@ -0,0 +1,63 @@
+using Mono.Cecil;
+
+namespace UnrealSharpWeaver.Utilities;
+
+public static class AttributeUtilities
+{
+    public static readonly string UMetaDataAttribute = "UMetaDataAttribute";
+    public static readonly string MetaTagsNamespace = WeaverImporter.AttributeNamespace + ".MetaTags";
+    
+    public static List<CustomAttribute> FindMetaDataAttributes(this IEnumerable<CustomAttribute> customAttributes)
+    {
+        return FindAttributesByType(customAttributes, WeaverImporter.AttributeNamespace, UMetaDataAttribute);
+    }
+
+    public static List<CustomAttribute> FindMetaDataAttributesByNamespace(this IEnumerable<CustomAttribute> customAttributes)
+    {
+        return FindAttributesByNamespace(customAttributes, MetaTagsNamespace);
+    }
+
+    public static CustomAttributeArgument? FindAttributeField(this CustomAttribute attribute, string fieldName)
+    {
+        foreach (var field in attribute.Fields) 
+        {
+            if (field.Name == fieldName) 
+            {
+                return field.Argument;
+            }
+        }
+        return null;
+    }
+    
+    public static CustomAttribute? FindAttributeByType(this IEnumerable<CustomAttribute> customAttributes, string typeNamespace, string typeName)
+    {
+        List<CustomAttribute> attribs = FindAttributesByType(customAttributes, typeNamespace, typeName);
+        return attribs.Count == 0 ? null : attribs[0];
+    }
+
+    public static List<CustomAttribute> FindAttributesByType(this IEnumerable<CustomAttribute> customAttributes, string typeNamespace, string typeName)
+    {
+        List<CustomAttribute> attribs = new List<CustomAttribute>();
+        foreach (CustomAttribute attrib in customAttributes)
+        {
+            if (attrib.AttributeType.Namespace == typeNamespace && attrib.AttributeType.Name == typeName)
+            {
+                attribs.Add(attrib);
+            }
+        }
+        return attribs;
+    }
+
+    public static List<CustomAttribute> FindAttributesByNamespace(this IEnumerable<CustomAttribute> customAttributes, string typeNamespace)
+    {
+        List<CustomAttribute> attribs = new List<CustomAttribute>();
+        foreach (var attrib in customAttributes)
+        {
+            if (attrib.AttributeType.Namespace == typeNamespace)
+            {
+                attribs.Add(attrib);
+            }
+        }
+        return attribs;
+    }
+}