From 187e6ae26d88ab0975de6011d00e41a846bcb6fa Mon Sep 17 00:00:00 2001
From: Ignacio Etcheverry <ignalfonsore@gmail.com>
Date: Tue, 5 Mar 2019 18:52:19 +0100
Subject: C#: Add marshalling support for IEnumerable and IDictionary

Added constructor that takes IEnumerable for Array and IEnumerable<T> for Array<T>.
Added constructor that takes IDictionary for Dictionary and IDictionary<TKey, TValue> for Dictionary<TKey, TValue>.
---
 modules/mono/glue/Managed/Files/Dictionary.cs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'modules/mono/glue/Managed/Files/Dictionary.cs')

diff --git a/modules/mono/glue/Managed/Files/Dictionary.cs b/modules/mono/glue/Managed/Files/Dictionary.cs
index b89851f246..af1782b79a 100644
--- a/modules/mono/glue/Managed/Files/Dictionary.cs
+++ b/modules/mono/glue/Managed/Files/Dictionary.cs
@@ -40,6 +40,14 @@ namespace Godot.Collections
             safeHandle = new DictionarySafeHandle(godot_icall_Dictionary_Ctor());
         }
 
+        public Dictionary(IDictionary dictionary) : this()
+        {
+            if (dictionary == null)
+                throw new NullReferenceException($"Parameter '{nameof(dictionary)} cannot be null.'");
+
+            MarshalUtils.IDictionaryToDictionary(dictionary, GetPtr());
+        }
+
         internal Dictionary(DictionarySafeHandle handle)
         {
             safeHandle = handle;
@@ -255,6 +263,23 @@ namespace Godot.Collections
             objectDict = new Dictionary();
         }
 
+        public Dictionary(IDictionary<TKey, TValue> dictionary)
+        {
+            objectDict = new Dictionary();
+
+            if (dictionary == null)
+                throw new NullReferenceException($"Parameter '{nameof(dictionary)} cannot be null.'");
+
+            // TODO: Can be optimized
+
+            IntPtr godotDictionaryPtr = GetPtr();
+
+            foreach (KeyValuePair<TKey, TValue> entry in dictionary)
+            {
+                Dictionary.godot_icall_Dictionary_Add(godotDictionaryPtr, entry.Key, entry.Value);
+            }
+        }
+
         public Dictionary(Dictionary dictionary)
         {
             objectDict = dictionary;
-- 
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