From d4555ef5fbf706c43faccf5fdb3f023696197727 Mon Sep 17 00:00:00 2001
From: Danil Alexeev <danil@alexeev.xyz>
Date: Tue, 30 Aug 2022 12:36:24 +0300
Subject: Add `String.to_{camel,pascal,snake}_case` methods

---
 .../GodotSharp/Core/NativeInterop/NativeFuncs.cs   |  9 +++++
 .../GodotSharp/GodotSharp/Core/StringExtensions.cs | 39 ++++++++++++++++++++++
 modules/mono/glue/runtime_interop.cpp              | 15 +++++++++
 3 files changed, 63 insertions(+)

(limited to 'modules/mono/glue')

diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
index 94dda5a74b..e84bba1179 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
@@ -436,6 +436,15 @@ namespace Godot.NativeInterop
         public static partial void godotsharp_string_simplify_path(in godot_string p_self,
             out godot_string r_simplified_path);
 
+        public static partial void godotsharp_string_to_camel_case(in godot_string p_self,
+            out godot_string r_camel_case);
+
+        public static partial void godotsharp_string_to_pascal_case(in godot_string p_self,
+            out godot_string r_pascal_case);
+
+        public static partial void godotsharp_string_to_snake_case(in godot_string p_self,
+            out godot_string r_snake_case);
+
         // NodePath
 
         public static partial void godotsharp_node_path_get_as_property_path(in godot_node_path p_self,
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
index f0bc5949df..44f951e314 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
@@ -287,6 +287,45 @@ namespace Godot
             return cap;
         }
 
+        /// <summary>
+        /// Returns the string converted to <c>camelCase</c>.
+        /// </summary>
+        /// <param name="instance">The string to convert.</param>
+        /// <returns>The converted string.</returns>
+        public static string ToCamelCase(this string instance)
+        {
+            using godot_string instanceStr = Marshaling.ConvertStringToNative(instance);
+            NativeFuncs.godotsharp_string_to_camel_case(instanceStr, out godot_string camelCase);
+            using (camelCase)
+                return Marshaling.ConvertStringToManaged(camelCase);
+        }
+
+        /// <summary>
+        /// Returns the string converted to <c>PascalCase</c>.
+        /// </summary>
+        /// <param name="instance">The string to convert.</param>
+        /// <returns>The converted string.</returns>
+        public static string ToPascalCase(this string instance)
+        {
+            using godot_string instanceStr = Marshaling.ConvertStringToNative(instance);
+            NativeFuncs.godotsharp_string_to_pascal_case(instanceStr, out godot_string pascalCase);
+            using (pascalCase)
+                return Marshaling.ConvertStringToManaged(pascalCase);
+        }
+
+        /// <summary>
+        /// Returns the string converted to <c>snake_case</c>.
+        /// </summary>
+        /// <param name="instance">The string to convert.</param>
+        /// <returns>The converted string.</returns>
+        public static string ToSnakeCase(this string instance)
+        {
+            using godot_string instanceStr = Marshaling.ConvertStringToNative(instance);
+            NativeFuncs.godotsharp_string_to_snake_case(instanceStr, out godot_string snakeCase);
+            using (snakeCase)
+                return Marshaling.ConvertStringToManaged(snakeCase);
+        }
+
         private static string CamelcaseToUnderscore(this string instance, bool lowerCase)
         {
             string newString = string.Empty;
diff --git a/modules/mono/glue/runtime_interop.cpp b/modules/mono/glue/runtime_interop.cpp
index 0d68cb54b9..529bda4c38 100644
--- a/modules/mono/glue/runtime_interop.cpp
+++ b/modules/mono/glue/runtime_interop.cpp
@@ -1096,6 +1096,18 @@ void godotsharp_string_simplify_path(const String *p_self, String *r_simplified_
 	memnew_placement(r_simplified_path, String(p_self->simplify_path()));
 }
 
+void godotsharp_string_to_camel_case(const String *p_self, String *r_camel_case) {
+	memnew_placement(r_camel_case, String(p_self->to_camel_case()));
+}
+
+void godotsharp_string_to_pascal_case(const String *p_self, String *r_pascal_case) {
+	memnew_placement(r_pascal_case, String(p_self->to_pascal_case()));
+}
+
+void godotsharp_string_to_snake_case(const String *p_self, String *r_snake_case) {
+	memnew_placement(r_snake_case, String(p_self->to_snake_case()));
+}
+
 void godotsharp_node_path_get_as_property_path(const NodePath *p_ptr, NodePath *r_dest) {
 	memnew_placement(r_dest, NodePath(p_ptr->get_as_property_path()));
 }
@@ -1471,6 +1483,9 @@ static const void *unmanaged_callbacks[]{
 	(void *)godotsharp_string_sha256_buffer,
 	(void *)godotsharp_string_sha256_text,
 	(void *)godotsharp_string_simplify_path,
+	(void *)godotsharp_string_to_camel_case,
+	(void *)godotsharp_string_to_pascal_case,
+	(void *)godotsharp_string_to_snake_case,
 	(void *)godotsharp_node_path_get_as_property_path,
 	(void *)godotsharp_node_path_get_concatenated_names,
 	(void *)godotsharp_node_path_get_concatenated_subnames,
-- 
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