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Json typecode cleanup and dictionary deserialize #924

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merged 1 commit into from
Mar 14, 2024
Merged

Json typecode cleanup and dictionary deserialize #924

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165 changes: 74 additions & 91 deletions ....Foundation.Libraries_and_Frameworks/Serialization.MicroJson/Driver/MicroJson.TypeSafe.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -219,113 +219,96 @@ private static void Deserialize(Hashtable? root, Type type, ref object instance)

if (prop != null && prop.CanWrite)
{
switch (true)
Type propType = prop.PropertyType;

if (propType.IsEnum)
{
prop.SetValue(instance, Enum.Parse(propType, values[v].ToString()));
}
else if (propType.IsArray)
{
case bool _ when prop.PropertyType.IsEnum:
var enumValue = Enum.Parse(prop.PropertyType, values[v].ToString());
prop.SetValue(instance, enumValue);
break;
case bool _ when prop.PropertyType == typeof(ulong):
prop.SetValue(instance, Convert.ToUInt64(values[v]));
break;
case bool _ when prop.PropertyType == typeof(long):
prop.SetValue(instance, Convert.ToInt64(values[v]));
break;
case bool _ when prop.PropertyType == typeof(uint):
prop.SetValue(instance, Convert.ToUInt32(values[v]));
break;
case bool _ when prop.PropertyType == typeof(int):
prop.SetValue(instance, Convert.ToInt32(values[v]));
break;
case bool _ when prop.PropertyType == typeof(ushort):
prop.SetValue(instance, Convert.ToUInt16(values[v]));
break;
case bool _ when prop.PropertyType == typeof(short):
prop.SetValue(instance, Convert.ToInt16(values[v]));
break;
case bool _ when prop.PropertyType == typeof(byte):
prop.SetValue(instance, Convert.ToByte(values[v]));
break;
case bool _ when prop.PropertyType == typeof(sbyte):
prop.SetValue(instance, Convert.ToSByte(values[v]));
break;
case bool _ when prop.PropertyType == typeof(decimal):
prop.SetValue(instance, Convert.ToDecimal(values[v]));
break;
case bool _ when prop.PropertyType == typeof(double):
prop.SetValue(instance, Convert.ToDouble(values[v]));
break;
case bool _ when prop.PropertyType == typeof(float):
prop.SetValue(instance, Convert.ToSingle(values[v]));
break;
case bool _ when prop.PropertyType == typeof(bool):
prop.SetValue(instance, Convert.ToBoolean(values[v]));
break;
case bool _ when prop.PropertyType == typeof(string):
prop.SetValue(instance, values[v].ToString());
break;
default:
if (prop.PropertyType.IsArray)
{
var al = values[v] as ArrayList;
var elementType = prop.PropertyType.GetElementType();
var targetArray = Array.CreateInstance(elementType, al!.Count);
DeserializeArray(al, elementType, ref targetArray);
prop.SetValue(instance, targetArray);
}
else if (prop.PropertyType.IsGenericType && prop.PropertyType.GetGenericTypeDefinition() == typeof(List<>))
{
var listType = prop.PropertyType.GetGenericArguments()[0];
var list = Activator.CreateInstance(prop.PropertyType);
var addMethod = prop.PropertyType.GetMethod("Add");

foreach (var item in (ArrayList)values[v])
{
var listItem = Activator.CreateInstance(listType);
Deserialize(item as Hashtable, listType, ref listItem);
addMethod.Invoke(list, new[] { listItem });
}

prop.SetValue(instance, list);
}
else if (IsComplexType(prop.PropertyType))
{
if (values[v] is Hashtable hashtableValue)
{
var complexInstance = Activator.CreateInstance(prop.PropertyType);
Deserialize(hashtableValue, prop.PropertyType, ref complexInstance);
prop.SetValue(instance, complexInstance);
}
}
else
{
throw new NotSupportedException($"Type '{prop.PropertyType}' not supported");
}
break;
var al = values[v] as ArrayList;
var elementType = propType.GetElementType();
var targetArray = Array.CreateInstance(elementType, al!.Count);
for (int i = 0; i < al.Count; i++)
{
object arrayItem = Activator.CreateInstance(elementType);
Deserialize(al[i] as Hashtable, elementType, ref arrayItem);
targetArray.SetValue(arrayItem, i);
}
prop.SetValue(instance, targetArray);
}
else if (propType.IsGenericType && propType.GetGenericTypeDefinition() == typeof(List<>))
{
var listType = propType.GetGenericArguments()[0];
var list = Activator.CreateInstance(propType);
var addMethod = propType.GetMethod("Add");

foreach (var item in (ArrayList)values[v])
{
object listItem = Activator.CreateInstance(listType);
Deserialize(item as Hashtable, listType, ref listItem);
addMethod.Invoke(list, new[] { listItem });
}

prop.SetValue(instance, list);
}
else if (propType.GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IDictionary<,>)))
{
var dictionaryType = propType.GetGenericTypeDefinition();
var keyType = propType.GetGenericArguments()[0];
var valueType = propType.GetGenericArguments()[1];

var dictionary = (IDictionary)Activator.CreateInstance(propType);

foreach (DictionaryEntry entry in (Hashtable)values[v])
{
object key = Convert.ChangeType(entry.Key, keyType);
object value = Activator.CreateInstance(valueType);
Deserialize((Hashtable)entry.Value, valueType, ref value);
dictionary.Add(key, value);
}

prop.SetValue(instance, dictionary);
}
else if (IsComplexType(propType))
{
if (values[v] is Hashtable hashtableValue)
{
object complexInstance = Activator.CreateInstance(propType);
Deserialize(hashtableValue, propType, ref complexInstance);
prop.SetValue(instance, complexInstance);
}
}
else
{
if (values[v] != null && values[v] != DBNull.Value)
{
prop.SetValue(instance, Convert.ChangeType(values[v], propType));
}
}
}
}
}


private static bool IsComplexType(Type type)
{
if (type.IsPrimitive || type == typeof(string) || type == typeof(decimal) || type == typeof(DateTime) || type == typeof(Guid))
if (type.IsPrimitive ||
type.IsEnum ||
type == typeof(string) ||
type == typeof(decimal) ||
type == typeof(DateTime) ||
type == typeof(Guid)
)
{
return false;
}

if (Nullable.GetUnderlyingType(type) != null)
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
{
return IsComplexType(Nullable.GetUnderlyingType(type));
}

if (type.IsEnum)
{
return false;
}

// If none of the above, it's a complex type
return true;
}
}
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