public static string GetBestHandleWithIndexForListElement(object list, object element)
{
if (list == null || element == null)
{
return(null);
}
PropertyInfo property = list.GetType().GetProperty("Count");
if (property == null)
{
return(null);
}
PropertyInfo property2 = list.GetType().GetProperty("Item");
if (property2 == null)
{
return(null);
}
FieldInfo fieldInfo = null;
string handle = null;
int num = 0;
FieldInfo[] fields = element.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
FieldInfo[] array = fields;
for (int i = 0; i < array.Length; i++)
{
FieldInfo fieldInfo2 = array[i];
TranslationHandleAttribute translationHandleAttribute = fieldInfo2.TryGetAttribute <TranslationHandleAttribute>();
if (translationHandleAttribute != null)
{
object value = fieldInfo2.GetValue(element);
if (value != null)
{
Type type = value as Type;
string text;
if (type != null)
{
text = type.Name;
}
else
{
try
{
text = value.ToString();
}
catch
{
return(null);
}
}
if (!text.NullOrEmpty())
{
int priority = translationHandleAttribute.Priority;
if (fieldInfo == null || priority > num)
{
fieldInfo = fieldInfo2;
handle = text;
num = priority;
}
}
}
}
}
if (fieldInfo == null)
{
return(null);
}
int num2 = 0;
int num3 = -1;
int num4 = (int)property.GetValue(list, null);
for (int j = 0; j < num4; j++)
{
object value2 = property2.GetValue(list, new object[]
{
j
});
if (value2 != null)
{
if (value2 == element)
{
num3 = num2;
num2++;
}
else
{
FieldInfo[] fields2 = value2.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
FieldInfo[] array2 = fields2;
for (int k = 0; k < array2.Length; k++)
{
FieldInfo fieldInfo3 = array2[k];
if (TranslationHandleUtility.FieldInfosEqual(fieldInfo3, fieldInfo))
{
object value3 = fieldInfo3.GetValue(value2);
if (value3 != null)
{
if (TranslationHandleUtility.HandlesMatch(value3, handle))
{
num2++;
break;
}
}
}
}
}
}
}
if (num3 < 0)
{
return(null);
}
string text2 = TranslationHandleUtility.NormalizedHandle(handle);
if (num2 <= 1)
{
return(text2);
}
return(text2 + '-' + num3);
}
public static int GetElementIndexByHandle(object list, string handle, int handleIndex)
{
if (list == null)
{
throw new InvalidOperationException("Tried to get element by handle on null object.");
}
if (handleIndex < 0)
{
handleIndex = 0;
}
PropertyInfo property = list.GetType().GetProperty("Count");
if (property == null)
{
throw new InvalidOperationException("Tried to get element by handle on non-list (missing 'Count' property).");
}
PropertyInfo property2 = list.GetType().GetProperty("Item");
if (property2 == null)
{
throw new InvalidOperationException("Tried to get element by handle on non-list (missing 'Item' property).");
}
int num = (int)property.GetValue(list, null);
FieldInfo fieldInfo = null;
int num2 = 0;
for (int i = 0; i < num; i++)
{
object value = property2.GetValue(list, new object[]
{
i
});
if (value != null)
{
FieldInfo[] fields = value.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
FieldInfo[] array = fields;
for (int j = 0; j < array.Length; j++)
{
FieldInfo fieldInfo2 = array[j];
TranslationHandleAttribute translationHandleAttribute = fieldInfo2.TryGetAttribute <TranslationHandleAttribute>();
if (translationHandleAttribute != null)
{
object value2 = fieldInfo2.GetValue(value);
if (value2 != null)
{
if (TranslationHandleUtility.HandlesMatch(value2, handle))
{
int priority = translationHandleAttribute.Priority;
if (fieldInfo == null || priority > num2)
{
fieldInfo = fieldInfo2;
num2 = priority;
}
}
}
}
}
}
}
if (fieldInfo == null)
{
throw new InvalidOperationException("None of the list elements have a handle named " + handle + ".");
}
int num3 = 0;
for (int k = 0; k < num; k++)
{
object value3 = property2.GetValue(list, new object[]
{
k
});
if (value3 != null)
{
FieldInfo[] fields2 = value3.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
FieldInfo[] array2 = fields2;
for (int l = 0; l < array2.Length; l++)
{
FieldInfo fieldInfo3 = array2[l];
if (TranslationHandleUtility.FieldInfosEqual(fieldInfo3, fieldInfo))
{
object value4 = fieldInfo3.GetValue(value3);
if (value4 != null)
{
if (TranslationHandleUtility.HandlesMatch(value4, handle))
{
if (num3 == handleIndex)
{
return(k);
}
num3++;
}
}
}
}
}
}
throw new InvalidOperationException(string.Concat(new object[]
{
"Tried to access handle ",
handle,
"[",
handleIndex,
"], but there are only ",
num3,
" handles matching this name."
}));
}
public static int GetElementIndexByHandle(object list, string handle, int handleIndex)
{
if (list == null)
{
throw new InvalidOperationException("Tried to get element by handle on null object.");
}
if (handleIndex < 0)
{
handleIndex = 0;
}
PropertyInfo property = list.GetType().GetProperty("Count");
if (property == null)
{
throw new InvalidOperationException("Tried to get element by handle on non-list (missing 'Count' property).");
}
PropertyInfo property2 = list.GetType().GetProperty("Item");
if (property2 == null)
{
throw new InvalidOperationException("Tried to get element by handle on non-list (missing 'Item' property).");
}
int num = (int)property.GetValue(list, null);
FieldInfo fieldInfo = null;
int num2 = 0;
for (int i = 0; i < num; i++)
{
object value = property2.GetValue(list, new object[1]
{
i
});
if (value == null)
{
continue;
}
FieldInfo[] fields = value.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
foreach (FieldInfo fieldInfo2 in fields)
{
TranslationHandleAttribute translationHandleAttribute = fieldInfo2.TryGetAttribute <TranslationHandleAttribute>();
if (translationHandleAttribute == null)
{
continue;
}
object value2 = fieldInfo2.GetValue(value);
if (value2 != null && HandlesMatch(value2, handle))
{
int priority = translationHandleAttribute.Priority;
if (fieldInfo == null || priority > num2)
{
fieldInfo = fieldInfo2;
num2 = priority;
}
}
}
}
if (fieldInfo == null)
{
throw new InvalidOperationException("None of the list elements have a handle named " + handle + ".");
}
int num3 = 0;
for (int k = 0; k < num; k++)
{
object value3 = property2.GetValue(list, new object[1]
{
k
});
if (value3 == null)
{
continue;
}
FieldInfo[] fields = value3.GetType().GetFields(BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
foreach (FieldInfo fieldInfo3 in fields)
{
if (!FieldInfosEqual(fieldInfo3, fieldInfo))
{
continue;
}
object value4 = fieldInfo3.GetValue(value3);
if (value4 != null && HandlesMatch(value4, handle))
{
if (num3 == handleIndex)
{
return(k);
}
num3++;
}
}
}
throw new InvalidOperationException("Tried to access handle " + handle + "[" + handleIndex + "], but there are only " + num3 + " handles matching this name.");
}
