Lua向C#逻辑迁移 一期 #13

将整个插件代码上传

Plugins/UnrealSharp/Source/UnrealSharpManagedGlue/PropertyTranslators/StringPropertyTranslator.cs

@@ -0,0 +1,74 @@
+using System;
+using EpicGames.UHT.Types;
+using UnrealSharpScriptGenerator.Utilities;
+
+namespace UnrealSharpScriptGenerator.PropertyTranslators;
+
+public class StringPropertyTranslator : PropertyTranslator
+{
+    public StringPropertyTranslator() : base(EPropertyUsageFlags.Any, PropertyKind.String)
+    {
+    }
+    
+    public override bool CacheProperty => true;
+
+    public override bool CanExport(UhtProperty property)
+    {
+        return property is UhtStrProperty;
+    }
+
+    public override string GetManagedType(UhtProperty property)
+    {
+        return "string";
+    }
+
+    public override string GetMarshaller(UhtProperty property)
+    {
+        return "StringMarshaller";
+    }
+
+    public override string ExportMarshallerDelegates(UhtProperty property)
+    {
+        return "StringMarshaller.ToNative, StringMarshaller.FromNative";
+    }
+
+    public override string GetNullValue(UhtProperty property)
+    {
+        return "\"\"";
+    }
+
+    public override void ExportFunctionReturnStatement(GeneratorStringBuilder builder, UhtProperty property, string nativePropertyName,
+        string functionName, string paramsCallString)
+    {
+        builder.AppendLine($"return {ExporterCallbacks.FStringCallbacks}.CallConvertTCHARToUTF8(Invoke_{functionName}(NativeObject, {functionName}_NativeFunction{paramsCallString}));");
+    }
+
+    public override void ExportCleanupMarshallingBuffer(GeneratorStringBuilder builder, UhtProperty property,
+        string paramName)
+    {
+        builder.AppendLine($"StringMarshaller.DestructInstance({paramName}_NativePtr, 0);");
+    }
+
+    public override void ExportFromNative(GeneratorStringBuilder builder, UhtProperty property, string propertyName, string assignmentOrReturn,
+        string sourceBuffer, string offset, bool bCleanupSourceBuffer, bool reuseRefMarshallers)
+    {
+        if (!reuseRefMarshallers)
+        {
+            builder.AppendLine($"IntPtr {propertyName}_NativePtr = IntPtr.Add({sourceBuffer},{offset});");
+        }
+        builder.AppendLine($"{assignmentOrReturn} StringMarshaller.FromNative({propertyName}_NativePtr,0);");
+    }
+
+    public override void ExportToNative(GeneratorStringBuilder builder, UhtProperty property, string propertyName, string destinationBuffer, string offset, string source)
+    {
+        builder.AppendLine($"IntPtr {propertyName}_NativePtr = IntPtr.Add({destinationBuffer}, {offset});");
+        builder.AppendLine($"StringMarshaller.ToNative({propertyName}_NativePtr,0,{source});");
+    }
+
+    public override string ConvertCPPDefaultValue(string defaultValue, UhtFunction function, UhtProperty parameter)
+    {
+        return "\"" + defaultValue + "\"";
+    }
+
+    public override bool CanSupportGenericType(UhtProperty property) => false;
+}