Roblox-File-Format/Utility/ImplicitMember.cs
2021-02-18 13:15:08 -06:00

73 lines
2.1 KiB
C#

using System;
using System.Linq;
using System.Reflection;
namespace RobloxFiles.Utility
{
// This is a lazy helper class to disambiguate between FieldInfo and PropertyInfo
internal class ImplicitMember
{
private const BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy | BindingFlags.IgnoreCase;
private readonly object member;
private ImplicitMember(FieldInfo field) { member = field; }
private ImplicitMember(PropertyInfo prop) { member = prop; }
public static ImplicitMember Get(Type type, string name)
{
var field = type
.GetFields(flags)
.Where(f => f.Name == name)
.FirstOrDefault();
if (field != null)
return new ImplicitMember(field);
var prop = type
.GetProperties(flags)
.Where(p => p.Name == name)
.FirstOrDefault();
if (prop != null)
return new ImplicitMember(prop);
return null;
}
public Type MemberType
{
get
{
Type result = null;
if (member is FieldInfo field)
result = field.FieldType;
else if (member is PropertyInfo prop)
result = prop.PropertyType;
return result;
}
}
public object GetValue(object obj)
{
if (member is FieldInfo field)
return field.GetValue(obj);
else if (member is PropertyInfo prop)
return prop.GetValue(obj);
return null;
}
public void SetValue(object obj, object value)
{
if (member is FieldInfo field)
field.SetValue(obj, value);
else if (member is PropertyInfo prop)
prop.SetValue(obj, value);
RobloxFile.LogError("Unknown field in ImplicitMember.SetValue");
}
}
}