diff options
Diffstat (limited to 'modules/mono/glue/Managed/Files/MarshalUtils.cs')
-rw-r--r-- | modules/mono/glue/Managed/Files/MarshalUtils.cs | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/modules/mono/glue/Managed/Files/MarshalUtils.cs b/modules/mono/glue/Managed/Files/MarshalUtils.cs deleted file mode 100644 index a1d63a62ef..0000000000 --- a/modules/mono/glue/Managed/Files/MarshalUtils.cs +++ /dev/null @@ -1,212 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; - -namespace Godot -{ - using Array = Godot.Collections.Array; - using Dictionary = Godot.Collections.Dictionary; - - static class MarshalUtils - { - /// <summary> - /// Returns <see langword="true"/> if the generic type definition of <paramref name="type"/> - /// is <see cref="Godot.Collections.Array{T}"/>; otherwise returns <see langword="false"/>. - /// </summary> - /// <exception cref="System.InvalidOperationException"> - /// <paramref name="type"/> is not a generic type. That is, IsGenericType returns false. - /// </exception> - static bool TypeIsGenericArray(Type type) - { - return type.GetGenericTypeDefinition() == typeof(Godot.Collections.Array<>); - } - - /// <summary> - /// Returns <see langword="true"/> if the generic type definition of <paramref name="type"/> - /// is <see cref="Godot.Collections.Dictionary{TKey, TValue}"/>; otherwise returns <see langword="false"/>. - /// </summary> - /// <exception cref="System.InvalidOperationException"> - /// <paramref name="type"/> is not a generic type. That is, IsGenericType returns false. - /// </exception> - static bool TypeIsGenericDictionary(Type type) - { - return type.GetGenericTypeDefinition() == typeof(Godot.Collections.Dictionary<,>); - } - - static void ArrayGetElementType(Type arrayType, out Type elementType) - { - elementType = arrayType.GetGenericArguments()[0]; - } - - static void DictionaryGetKeyValueTypes(Type dictionaryType, out Type keyType, out Type valueType) - { - var genericArgs = dictionaryType.GetGenericArguments(); - keyType = genericArgs[0]; - valueType = genericArgs[1]; - } - - static bool GenericIEnumerableIsAssignableFromType(Type type) - { - if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IEnumerable<>)) - return true; - - foreach (var interfaceType in type.GetInterfaces()) - { - if (interfaceType.IsGenericType && interfaceType.GetGenericTypeDefinition() == typeof(IEnumerable<>)) - return true; - } - - Type baseType = type.BaseType; - - if (baseType == null) - return false; - - return GenericIEnumerableIsAssignableFromType(baseType); - } - - static bool GenericIDictionaryIsAssignableFromType(Type type) - { - if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IDictionary<,>)) - return true; - - foreach (var interfaceType in type.GetInterfaces()) - { - if (interfaceType.IsGenericType && interfaceType.GetGenericTypeDefinition() == typeof(IDictionary<,>)) - return true; - } - - Type baseType = type.BaseType; - - if (baseType == null) - return false; - - return GenericIDictionaryIsAssignableFromType(baseType); - } - - static bool GenericIEnumerableIsAssignableFromType(Type type, out Type elementType) - { - if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IEnumerable<>)) - { - elementType = type.GetGenericArguments()[0]; - return true; - } - - foreach (var interfaceType in type.GetInterfaces()) - { - if (interfaceType.IsGenericType && interfaceType.GetGenericTypeDefinition() == typeof(IEnumerable<>)) - { - elementType = interfaceType.GetGenericArguments()[0]; - return true; - } - } - - Type baseType = type.BaseType; - - if (baseType == null) - { - elementType = null; - return false; - } - - return GenericIEnumerableIsAssignableFromType(baseType, out elementType); - } - - static bool GenericIDictionaryIsAssignableFromType(Type type, out Type keyType, out Type valueType) - { - if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IDictionary<,>)) - { - var genericArgs = type.GetGenericArguments(); - keyType = genericArgs[0]; - valueType = genericArgs[1]; - return true; - } - - foreach (var interfaceType in type.GetInterfaces()) - { - if (interfaceType.IsGenericType && interfaceType.GetGenericTypeDefinition() == typeof(IDictionary<,>)) - { - var genericArgs = interfaceType.GetGenericArguments(); - keyType = genericArgs[0]; - valueType = genericArgs[1]; - return true; - } - } - - Type baseType = type.BaseType; - - if (baseType == null) - { - keyType = null; - valueType = null; - return false; - } - - return GenericIDictionaryIsAssignableFromType(baseType, out keyType, out valueType); - } - - static Type MakeGenericArrayType(Type elemType) - { - return typeof(Godot.Collections.Array<>).MakeGenericType(elemType); - } - - static Type MakeGenericDictionaryType(Type keyType, Type valueType) - { - return typeof(Godot.Collections.Dictionary<,>).MakeGenericType(keyType, valueType); - } - - // TODO Add support for IEnumerable<T> and IDictionary<TKey, TValue> - // TODO: EnumerableToArray and IDictionaryToDictionary can be optimized - - internal static void EnumerableToArray(IEnumerable enumerable, IntPtr godotArrayPtr) - { - if (enumerable is ICollection collection) - { - int count = collection.Count; - - object[] tempArray = new object[count]; - collection.CopyTo(tempArray, 0); - - for (int i = 0; i < count; i++) - { - Array.godot_icall_Array_Add(godotArrayPtr, tempArray[i]); - } - } - else - { - foreach (object element in enumerable) - { - Array.godot_icall_Array_Add(godotArrayPtr, element); - } - } - } - - internal static void IDictionaryToDictionary(IDictionary dictionary, IntPtr godotDictionaryPtr) - { - foreach (DictionaryEntry entry in dictionary) - { - Dictionary.godot_icall_Dictionary_Add(godotDictionaryPtr, entry.Key, entry.Value); - } - } - - internal static void GenericIDictionaryToDictionary(object dictionary, IntPtr godotDictionaryPtr) - { -#if DEBUG - if (!GenericIDictionaryIsAssignableFromType(dictionary.GetType())) - throw new InvalidOperationException("The type does not implement IDictionary<,>"); -#endif - - // TODO: Can we optimize this? - - var keys = ((IEnumerable)dictionary.GetType().GetProperty("Keys").GetValue(dictionary)).GetEnumerator(); - var values = ((IEnumerable)dictionary.GetType().GetProperty("Values").GetValue(dictionary)).GetEnumerator(); - - while (keys.MoveNext() && values.MoveNext()) - { - object key = keys.Current; - object value = values.Current; - - Dictionary.godot_icall_Dictionary_Add(godotDictionaryPtr, key, value); - } - } - } -} |