From 2e7ef6f4e80f11975086cdf57240ae00b1581a3d Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Sat, 14 Nov 2020 19:10:43 +0000
Subject: [PATCH] objc: fix std::string handling

- arg types may be passed as string instead of std::string
---
 modules/core/misc/objc/gen_dict.json | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/core/misc/objc/gen_dict.json b/modules/core/misc/objc/gen_dict.json
index 4cb8133dc4..05082ce1ca 100644
--- a/modules/core/misc/objc/gen_dict.json
+++ b/modules/core/misc/objc/gen_dict.json
@@ -215,6 +215,13 @@
             "from_cpp": "[NSString stringWithUTF8String:%(n)s.c_str()]",
             "swift_type": "String"
         },
+        "string": {
+            "cast_to": "std::string",
+            "objc_type": "NSString*",
+            "to_cpp": "std::string(%(n)s.UTF8String)",
+            "from_cpp": "[NSString stringWithUTF8String:%(n)s.c_str()]",
+            "swift_type": "String"
+        },
         "TermCriteria": {
             "objc_type": "TermCriteria*",
             "to_cpp": "%(n)s.nativeRef",