static public int InspectCount(this IEnumerable item)
{
if (item != null)
{
ICollection collection;
if (item.Convert <ICollection>(out collection))
{
return(collection.Count);
}
MethodInfo method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("get_Count"),
Filterer_MethodInfo.CanReturnInto <int>(),
Filterer_MethodInfo.HasNoEffectiveParameters()
).GetFirst();
if (method != null)
{
return((int)method.Invoke(item));
}
int count = 0;
foreach (object sub_item in item)
{
count++;
}
return(count);
}
return(0);
}
static public bool InspectSet(this IEnumerable item, int index, object value)
{
if (item != null)
{
IList list;
if (item.Convert <IList>(out list))
{
list[index] = value;
return(true);
}
MethodInfo method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("set_Item"),
Filterer_MethodInfo.CanNthEffectiveParameterHold(0, typeof(int)),
Filterer_MethodInfo.HasTwoEffectiveParameters()
).GetFirst();
if (method != null)
{
method.Invoke(item, new object[] { index, value });
return(true);
}
}
return(false);
}
static public bool InspectAdd(this IEnumerable item, object value)
{
if (item != null)
{
MethodInfoEX method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("Add"),
Filterer_MethodInfo.HasOneEffectiveParameter()
).GetFirst();
if (method != null)
{
if (value == null)
{
value = method.GetEffectiveParameterType(0).GetDefaultValue();
}
method.Invoke(item, new object[] { value });
return(true);
}
return(item.InspectInsert(
item.InspectCount(),
value
));
}
return(false);
}
static public object InspectGet(this IEnumerable item, int index)
{
if (item != null)
{
IList list;
if (item.Convert <IList>(out list))
{
return(list[index]);
}
MethodInfo method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("get_Item"),
Filterer_MethodInfo.CanReturnInto <object>(),
Filterer_MethodInfo.CanEffectiveParametersHold <int>()
).GetFirst();
if (method != null)
{
return(method.Invoke(item, new object[] { index }));
}
int count = 0;
foreach (object sub_item in item)
{
if (count == index)
{
return(sub_item);
}
count++;
}
}
return(null);
}
static public bool InspectRemoveAt(this IEnumerable item, int index)
{
if (item != null)
{
MethodInfoEX method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("RemoveAt"),
Filterer_MethodInfo.CanEffectiveParametersHold <int>()
).GetFirst();
if (method != null)
{
method.Invoke(item, new object[] { index });
return(true);
}
}
return(false);
}
static public bool InspectRemove(this IEnumerable item, object value)
{
if (item != null)
{
MethodInfoEX method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("Remove"),
Filterer_MethodInfo.HasOneEffectiveParameter()
).GetFirst();
if (method != null)
{
method.Invoke(item, new object[] { value });
return(true);
}
}
return(false);
}
static public bool InspectInsert(this IEnumerable item, int index, object value)
{
if (item != null)
{
MethodInfoEX method = item.GetType().GetFilteredInstanceMethods(
Filterer_MethodInfo.IsNamed("Insert"),
Filterer_MethodInfo.CanNthEffectiveParameterHold(0, typeof(int)),
Filterer_MethodInfo.HasTwoEffectiveParameters()
).GetFirst();
if (method != null)
{
if (value == null)
{
value = method.GetEffectiveParameterType(1).GetDefaultValue();
}
method.Invoke(item, new object[] { index, value });
return(true);
}
}
return(false);
}