Backups/UnityExplorer_Fix
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Add support for writing to IList<T>'s which don't implement IList

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Sinai
2021-05-18 20:43:51 +10:00
parent 5aef8ddc99
commit b062924af7
3 changed files with 93 additions and 4 deletions
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63
src/UI/IValues/InteractiveList.cs
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@ -2,6 +2,7 @@
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using UnityEngine;
using UnityEngine.UI;
using UnityExplorer.UI.CacheObject;
@ -19,11 +20,14 @@ namespace UnityExplorer.UI.IValues
object ICacheObjectController.Target => this.CurrentOwner.Value;
public Type TargetType { get; private set; }
public override bool CanWrite => base.CanWrite && RefIList != null && !RefIList.IsReadOnly;
public override bool CanWrite => base.CanWrite && ((RefIList != null && !RefIList.IsReadOnly) || IsWritableGenericIList);
public Type EntryType;
public IList RefIList;
private bool IsWritableGenericIList;
private PropertyInfo genericIndexer;
public int ItemCount => values.Count;
private readonly List<object> values = new List<object>();
private readonly List<CacheListEntry> cachedEntries = new List<CacheListEntry>();
@ -92,6 +96,12 @@ namespace UnityExplorer.UI.IValues
{
RefIList = value as IList;
// Check if the type implements IList<T> but not IList (ie. Il2CppArrayBase)
if (RefIList == null)
CheckGenericIList(value);
else
IsWritableGenericIList = false;
values.Clear();
int idx = 0;
@ -141,14 +151,61 @@ namespace UnityExplorer.UI.IValues
}
}
private void CheckGenericIList(object value)
{
try
{
var type = value.GetType();
if (type.GetInterfaces().Any(it => it.IsGenericType && it.GetGenericTypeDefinition() == typeof(IList<>)))
IsWritableGenericIList = !(bool)type.GetProperty("IsReadOnly").GetValue(value, null);
else
IsWritableGenericIList = false;
if (IsWritableGenericIList)
{
// Find the "this[int index]" property.
// It might be a private implementation.
foreach (var prop in type.GetProperties(ReflectionUtility.FLAGS))
{
if ((prop.Name == "Item"
|| (prop.Name.StartsWith("System.Collections.Generic.IList<") && prop.Name.EndsWith(">.Item")))
&& prop.GetIndexParameters() is ParameterInfo[] parameters
&& parameters.Length == 1
&& parameters[0].ParameterType == typeof(int))
{
genericIndexer = prop;
break;
}
}
if (genericIndexer == null)
{
ExplorerCore.LogWarning($"Failed to find indexer property for IList<T> type '{type.FullName}'!");
IsWritableGenericIList = false;
}
}
}
catch (Exception ex)
{
ExplorerCore.LogWarning($"Exception processing IEnumerable for IList<T> check: {ex.ReflectionExToString()}");
IsWritableGenericIList = false;
}
}
// Setting the value of an index to the list
public void TrySetValueToIndex(object value, int index)
{
try
{
//value = value.TryCast(this.EntryType);
RefIList[index] = value;
if (!IsWritableGenericIList)
{
RefIList[index] = value;
}
else
{
genericIndexer.SetValue(CurrentOwner.Value, value, new object[] { index });
}
var entry = cachedEntries[index];
entry.SetValueFromSource(value);