Add support for implicit and explicit operators (#51)

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* xxxxxxxx

* rev

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* ok

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tests/ProxyInterfaceSourceGeneratorTests/Destination/AkkaGenerated/Akka.Actor.LocalActorRefProviderProxy.g.cs

@@ -132,6 +132,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.AkkaActor
 
 
 
+
+
         public LocalActorRefProviderProxy(Akka.Actor.LocalActorRefProvider instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/Microsoft.SharePoint.Client.ClientContextProxy.g.cs

@@ -48,6 +48,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.PnP
 
 
 
+
+
         public ClientContextProxy(Microsoft.SharePoint.Client.ClientContext instance) : base(instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/Microsoft.SharePoint.Client.ClientObjectProxy.g.cs

@@ -85,6 +85,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.PnP
 
 
 
+
+
         public ClientObjectProxy(Microsoft.SharePoint.Client.ClientObject instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/Microsoft.SharePoint.Client.ClientRuntimeContextProxy.g.cs

@@ -143,6 +143,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.PnP
 
 
 
+
+
         public ClientRuntimeContextProxy(Microsoft.SharePoint.Client.ClientRuntimeContext instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/Microsoft.SharePoint.Client.SecurableObjectProxy.g.cs

@@ -46,6 +46,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.PnP
 
 
 
+
+
         public SecurableObjectProxy(Microsoft.SharePoint.Client.SecurableObject instance) : base(instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/Microsoft.SharePoint.Client.WebProxy.g.cs

@@ -1131,6 +1131,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source.PnP
 
 
 
+
+
         public WebProxy(Microsoft.SharePoint.Client.Web instance) : base(instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/NoNamespaceProxy.g.cs

@@ -24,6 +24,8 @@ using System;
 
 
 
+
+
         public NoNamespaceProxy(ProxyInterfaceSourceGeneratorTests.Source.NoNamespace instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.Generic_T__1Proxy.g.cs

@@ -30,6 +30,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source
 
 
 
+
+
         public GenericProxy(ProxyInterfaceSourceGeneratorTests.Source.Generic<T> instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.HumanProxy.g.cs

@@ -27,6 +27,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source
 
 
 
+
+
         public HumanProxy(ProxyInterfaceSourceGeneratorTests.Source.Human instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.IOperatorTest.g.cs

@@ -0,0 +1,30 @@
+//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
+
+namespace ProxyInterfaceSourceGeneratorTests.Source
+{
+    public partial interface IOperatorTest
+    {
+        ProxyInterfaceSourceGeneratorTests.Source.OperatorTest _Instance { get; }
+
+        string Name { get; set; }
+
+        int? Id { get; set; }
+
+
+
+
+
+
+    }
+}
+#nullable disable

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.MixedVisibilityProxy.g.cs

@@ -25,6 +25,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source
 
 
 
+
+
         public MixedVisibilityProxy(ProxyInterfaceSourceGeneratorTests.Source.MixedVisibility instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.OperatorTestProxy.g.cs

@@ -0,0 +1,61 @@
+//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
+
+namespace ProxyInterfaceSourceGeneratorTests.Source
+{
+    public partial class OperatorTestProxy : IOperatorTest
+    {
+        public ProxyInterfaceSourceGeneratorTests.Source.OperatorTest _Instance { get; }
+        
+
+        public string Name { get => _Instance.Name; set => _Instance.Name = value; }
+
+        public int? Id { get => _Instance.Id; set => _Instance.Id = value; }
+
+
+
+
+
+
+
+        public static implicit operator OperatorTestProxy(string name)
+        {
+            return new OperatorTestProxy((OperatorTest) name);
+        }
+
+        public static implicit operator OperatorTestProxy(int? id)
+        {
+            return new OperatorTestProxy((OperatorTest) id);
+        }
+
+        public static explicit operator string(OperatorTestProxy test)
+        {
+            return (string) test._Instance;
+        }
+
+        public static explicit operator int?(OperatorTestProxy test)
+        {
+            return (int?) test._Instance;
+        }
+
+
+
+        public OperatorTestProxy(ProxyInterfaceSourceGeneratorTests.Source.OperatorTest instance)
+        {
+            _Instance = instance;
+            
+
+
+        }
+    }
+}
+#nullable disable

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.PersonExtendsProxy.g.cs

@@ -114,6 +114,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source
 
 
 
+
+
         public PersonExtendsProxy(ProxyInterfaceSourceGeneratorTests.Source.PersonExtends instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/Destination/ProxyInterfaceSourceGeneratorTests.Source.PersonProxy.g.cs

@@ -168,6 +168,8 @@ namespace ProxyInterfaceSourceGeneratorTests.Source
 
 
 
+
+
         public PersonProxy(ProxyInterfaceSourceGeneratorTests.Source.Person instance) : base(instance)
         {
             _Instance = instance;

tests/ProxyInterfaceSourceGeneratorTests/ProxyInterfaceSourceGeneratorTest.cs

@@ -88,6 +88,63 @@ namespace ProxyInterfaceSourceGeneratorTests
             }
         }
 
+        [Fact]
+        public void GenerateFiles_ForClassWithOperator_Should_GenerateCorrectFiles()
+        {
+            // Arrange
+            var fileNames = new[]
+            {
+                "ProxyInterfaceSourceGeneratorTests.Source.IOperatorTest.g.cs",
+                "ProxyInterfaceSourceGeneratorTests.Source.OperatorTestProxy.g.cs"
+            };
+
+            var path = "./Source/IOperatorTest.cs";
+            var sourceFile = new SourceFile
+            {
+                Path = path,
+                Text = File.ReadAllText(path),
+                AttributeToAddToInterface = new ExtraAttribute
+                {
+                    Name = "ProxyInterfaceGenerator.Proxy",
+                    ArgumentList = "typeof(ProxyInterfaceSourceGeneratorTests.Source.OperatorTest)"
+                }
+            };
+
+            // Act
+            var result = _sut.Execute(new[]
+            {
+                sourceFile
+            });
+
+            // Assert
+            result.Valid.Should().BeTrue();
+            result.Files.Should().HaveCount(fileNames.Length + 1);
+
+            foreach (var fileName in fileNames.Select((fileName, index) => new { fileName, index }))
+            {
+                var builder = result.Files[fileName.index + 1]; // +1 means skip the attribute
+                builder.Path.Should().EndWith(fileName.fileName);
+
+                if (Write) File.WriteAllText($"../../../Destination/{fileName.fileName}", builder.Text);
+                builder.Text.Should().Be(File.ReadAllText($"../../../Destination/{fileName.fileName}"));
+            }
+
+            var name = "stef";
+            var operatorTest = new OperatorTest
+            {
+                Name = name
+            };
+            string name1 = (string) operatorTest;
+            name1.Should().Be(name);
+
+            var p = new OperatorTestProxy(operatorTest);
+            string name2 = (string)p;
+            name2.Should().Be(name);
+
+            var p2 = (OperatorTestProxy)name;
+            p2.Should().BeEquivalentTo(new OperatorTestProxy(operatorTest));
+        }
+
         [Fact]
         public void GenerateFiles_When_NoNamespace_Should_GenerateCorrectFiles()
         {

tests/ProxyInterfaceSourceGeneratorTests/Source/IOperatorTest.cs

@@ -0,0 +1,6 @@
+// file-scoped namespace !
+namespace ProxyInterfaceSourceGeneratorTests.Source;
+
+public partial interface IOperatorTest
+{
+}

tests/ProxyInterfaceSourceGeneratorTests/Source/OperatorTest.cs

@@ -0,0 +1,46 @@
+namespace ProxyInterfaceSourceGeneratorTests.Source
+{
+    public class OperatorTest
+    {
+        public string Name { get; set; } = null!;
+
+        public int? Id { get; set; }
+
+        // Operator : implicit
+        public static implicit operator OperatorTest(string name)
+        {
+            return new()
+            {
+                Name = name
+            };
+        }
+        
+        public static implicit operator OperatorTest(int? id)
+        {
+            return new()
+            {
+                Id = id
+            };
+        }
+
+        // Operator : explicit
+        public static explicit operator string(OperatorTest test)
+        {
+            return test.Name;
+        }
+
+        public static explicit operator int?(OperatorTest test)
+        {
+            return test.Id;
+        }
+    }
+
+    public class X
+    {
+        public X()
+        {
+            OperatorTest operatorTest = "stef";
+            var s = (string)operatorTest;
+        }
+    }
+}