From 71042b6f1b54e7352a9d31e3a6de0ea0a7d14e99 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 28 Oct 2022 09:36:56 -0700
Subject: [PATCH] pkg/objc: more methods

---
 pkg/objc/object.zig | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkg/objc/object.zig b/pkg/objc/object.zig
index f6ef6e427..cd0352496 100644
--- a/pkg/objc/object.zig
+++ b/pkg/objc/object.zig
@@ -7,6 +7,22 @@ pub const Object = struct {
     value: c.id,
 
     pub usingnamespace MsgSend(Object);
+
+    pub fn fromId(id: anytype) Object {
+        return .{ .value = @ptrCast(c.id, @alignCast(@alignOf(c.id), id)) };
+    }
+
+    /// Returns the class of an object.
+    pub fn getClass(self: Object) ?objc.Class {
+        return objc.Class{
+            .value = c.object_getClass(self.value) orelse return null,
+        };
+    }
+
+    /// Returns the class name of a given object.
+    pub fn getClassName(self: Object) [:0]const u8 {
+        return std.mem.sliceTo(c.object_getClassName(self.value), 0);
+    }
 };
 
 test {
@@ -16,5 +32,6 @@ test {
     // Should work with our wrappers
     const obj = NSObject.msgSend(objc.Object, objc.Sel.registerName("alloc"), .{});
     try testing.expect(obj.value != null);
+    try testing.expectEqualStrings("NSObject", obj.getClassName());
     obj.msgSend(void, objc.sel("dealloc"), .{});
 }