public static IList CreateList(Type listType, out bool isReadOnlyOrFixedSize)
{
ValidationUtils.ArgumentNotNull((object)listType, "listType");
isReadOnlyOrFixedSize = false;
IList list1;
if (listType.IsArray)
{
list1 = (IList) new List <object>();
isReadOnlyOrFixedSize = true;
}
else
{
Type implementingType;
if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out implementingType))
{
Type listType1 = implementingType.GetGenericArguments()[0];
Type type = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), new Type[1]
{
listType1
});
bool flag = false;
foreach (MethodBase methodBase in listType.GetConstructors())
{
IList <ParameterInfo> list2 = (IList <ParameterInfo>)methodBase.GetParameters();
if (list2.Count == 1 && type.IsAssignableFrom(list2[0].ParameterType))
{
flag = true;
break;
}
}
if (!flag)
{
throw new Exception(StringUtils.FormatWith("Read-only type {0} does not have a public constructor that takes a type that implements {1}.", (IFormatProvider)CultureInfo.InvariantCulture, (object)listType, (object)type));
}
list1 = CollectionUtils.CreateGenericList(listType1);
isReadOnlyOrFixedSize = true;
}
else
{
list1 = !typeof(IList).IsAssignableFrom(listType) ? (!ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)) ? (IList)null : (!ReflectionUtils.IsInstantiatableType(listType) ? (IList)null : (IList)CollectionUtils.CreateCollectionWrapper(Activator.CreateInstance(listType)))) : (!ReflectionUtils.IsInstantiatableType(listType) ? (listType != typeof(IList) ? (IList)null : (IList) new List <object>()) : (IList)Activator.CreateInstance(listType));
}
}
if (list1 == null)
{
throw new InvalidOperationException(StringUtils.FormatWith("Cannot create and populate list type {0}.", (IFormatProvider)CultureInfo.InvariantCulture, (object)listType));
}
else
{
return(list1);
}
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
bool flag = false;
IList list;
Type type;
if (listType.IsArray)
{
list = new List <object>();
flag = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out type))
{
Type type2 = type.GetGenericArguments()[0];
Type type3 = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), new Type[]
{
type2
});
bool flag2 = false;
foreach (ConstructorInfo constructorInfo in listType.GetConstructors())
{
IList <ParameterInfo> parameters = constructorInfo.GetParameters();
if (parameters.Count == 1 && type3.IsAssignableFrom(parameters[0].ParameterType))
{
flag2 = true;
break;
}
}
if (!flag2)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, new object[]
{
listType,
type3
}));
}
list = CollectionUtils.CreateGenericList(type2);
flag = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = (IList)Activator.CreateInstance(listType);
}
else if (listType == typeof(IList))
{
list = new List <object>();
}
else
{
list = null;
}
}
else if (ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = CollectionUtils.CreateCollectionWrapper(Activator.CreateInstance(listType));
}
else
{
list = null;
}
}
else if (listType == typeof(BitArray))
{
list = new List <object>();
flag = true;
}
else
{
list = null;
}
if (list == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, new object[]
{
listType
}));
}
populateList(list, flag);
if (flag)
{
if (listType.IsArray)
{
if (listType.GetArrayRank() > 1)
{
list = CollectionUtils.ToMultidimensionalArray(list, ReflectionUtils.GetCollectionItemType(listType), listType.GetArrayRank());
}
else
{
list = CollectionUtils.ToArray(((List <object>)list).ToArray(), ReflectionUtils.GetCollectionItemType(listType));
}
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
list = (IList)ReflectionUtils.CreateInstance(listType, new object[]
{
list
});
}
else if (listType == typeof(BitArray))
{
BitArray bitArray = new BitArray(list.Count);
for (int j = 0; j < list.Count; j++)
{
bitArray[j] = (bool)list[j];
}
return(bitArray);
}
}
else if (list is IWrappedCollection)
{
return(((IWrappedCollection)list).UnderlyingCollection);
}
return(list);
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
IList objs;
Type type;
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
bool flag = false;
if (listType.IsArray)
{
objs = new List <object>();
flag = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out type))
{
Type genericArguments = type.GetGenericArguments()[0];
Type type1 = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), new Type[] { genericArguments });
bool flag1 = false;
ConstructorInfo[] constructors = listType.GetConstructors();
int num = 0;
while (num < (int)constructors.Length)
{
IList <ParameterInfo> parameters = constructors[num].GetParameters();
if (parameters.Count != 1 || !type1.IsAssignableFrom(parameters[0].ParameterType))
{
num++;
}
else
{
flag1 = true;
break;
}
}
if (!flag1)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, new object[] { listType, type1 }));
}
objs = CollectionUtils.CreateGenericList(genericArguments);
flag = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
objs = (IList)Activator.CreateInstance(listType);
}
else if (listType != typeof(IList))
{
objs = null;
}
else
{
objs = new List <object>();
}
}
else if (ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)))
{
if (!ReflectionUtils.IsInstantiatableType(listType))
{
objs = null;
}
else
{
objs = CollectionUtils.CreateCollectionWrapper(Activator.CreateInstance(listType));
}
}
else if (listType != typeof(BitArray))
{
objs = null;
}
else
{
objs = new List <object>();
flag = true;
}
if (objs == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, new object[] { listType }));
}
populateList(objs, flag);
if (!flag)
{
if (objs is IWrappedCollection)
{
return(((IWrappedCollection)objs).UnderlyingCollection);
}
}
else if (listType.IsArray)
{
objs = (listType.GetArrayRank() <= 1 ? CollectionUtils.ToArray(((List <object>)objs).ToArray(), ReflectionUtils.GetCollectionItemType(listType)) : CollectionUtils.ToMultidimensionalArray(objs, ReflectionUtils.GetCollectionItemType(listType), listType.GetArrayRank()));
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
objs = (IList)ReflectionUtils.CreateInstance(listType, new object[] { objs });
}
else if (listType == typeof(BitArray))
{
BitArray bitArrays = new BitArray(objs.Count);
for (int i = 0; i < objs.Count; i++)
{
bitArrays[i] = (bool)objs[i];
}
return(bitArrays);
}
return(objs);
}
public static IList CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
IList list;
Type collectionType;
bool isReadOnlyOrFixedSize = false;
if (listType.IsArray)
{
// have to use an arraylist when creating array
// there is no way to know the size until it is finised
list = new List <object>();
isReadOnlyOrFixedSize = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out collectionType))
{
Type readOnlyCollectionContentsType = collectionType.GetGenericArguments()[0];
Type genericEnumerable = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), readOnlyCollectionContentsType);
bool suitableConstructor = false;
foreach (ConstructorInfo constructor in listType.GetConstructors())
{
IList <ParameterInfo> parameters = constructor.GetParameters();
if (parameters.Count == 1)
{
if (genericEnumerable.IsAssignableFrom(parameters[0].ParameterType))
{
suitableConstructor = true;
break;
}
}
}
if (!suitableConstructor)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, listType, genericEnumerable));
}
// can't add or modify a readonly list
// use List<T> and convert once populated
list = (IList)CreateGenericList(readOnlyCollectionContentsType);
isReadOnlyOrFixedSize = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = (IList)Activator.CreateInstance(listType);
}
else if (listType == typeof(IList))
{
list = new List <object>();
}
else
{
list = null;
}
}
else if (listType.IsGenericType && listType.GetGenericTypeDefinition() == typeof(IList <>))
{
list = CollectionUtils.CreateGenericList(ReflectionUtils.GetCollectionItemType(listType));
}
else
{
list = null;
}
if (list == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, listType));
}
populateList(list, isReadOnlyOrFixedSize);
// create readonly and fixed sized collections using the temporary list
if (isReadOnlyOrFixedSize)
{
if (listType.IsArray)
{
list = ToArray(((List <object>)list).ToArray(), ReflectionUtils.GetCollectionItemType(listType));
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
list = (IList)ReflectionUtils.CreateInstance(listType, list);
}
}
return(list);
}