private void WriteList(XPathResult result, object value, IDictionaryAdapter dictionaryAdapter)
{
var arguments = result.Type.GetGenericArguments();
var itemType = arguments[0];
foreach (var item in (IEnumerable)value)
{
var element = item;
var node = result.CreateNode(itemType, element, type => dictionaryAdapter.GetXmlMeta(type));
WriteProperty(node, ref element, dictionaryAdapter);
}
}
private object ReadList(XPathResult result, IDictionaryAdapter dictionaryAdapter)
{
Type listType = null, initializerType = null;
var arguments = result.Type.GetGenericArguments();
var genericDef = result.Type.GetGenericTypeDefinition();
var itemType = arguments[0];
Func<Type, XmlMetadata> getXmlMeta = type => dictionaryAdapter.GetXmlMeta(type);
var itemNodes = result.GetNodes(itemType, getXmlMeta);
if (itemNodes == null) return null;
if (genericDef == typeof(IEnumerable<>) || genericDef == typeof(ICollection<>) || genericDef == typeof(List<>))
{
listType = typeof(EditableList<>).MakeGenericType(arguments);
}
else if (
#if !DOTNET35
//NOTE: what about SortedSet?
genericDef == typeof(ISet<>) ||
#endif
genericDef == typeof(HashSet<>))
{
listType = typeof(List<>).MakeGenericType(arguments);
}
else
{
listType = typeof(EditableBindingList<>).MakeGenericType(arguments);
initializerType = typeof(BindingListInitializer<>).MakeGenericType(arguments);
}
var list = (IList)Activator.CreateInstance(listType);
foreach (var item in itemNodes)
{
list.Add(ReadProperty(item, false, dictionaryAdapter));
}
if (
#if !DOTNET35
//NOTE: what about SortedSet?
genericDef == typeof(ISet<>) ||
#endif
genericDef == typeof(HashSet<>))
{
return Activator.CreateInstance(typeof(HashSet<>).MakeGenericType(arguments), list);
}
if (initializerType != null)
{
Func<object> addNew = () =>
{
var node = result.CreateNode(itemType, null, getXmlMeta);
return ReadProperty(node, false, dictionaryAdapter);
};
Func<int, object, object> addAt = (index, item) =>
{
var node = result.CreateNode(itemType, item, getXmlMeta);
WriteProperty(node, ref item, dictionaryAdapter);
return item;
};
Func<int, object, object> setAt = (index, item) =>
{
var node = result.GetNodeAt(itemType, index);
WriteProperty(node, ref item, dictionaryAdapter);
return item;
};
Action<int> removeAt = index =>
{
object value = list;
if (dictionaryAdapter.ShouldClearProperty(result.Property, value))
{
result.Remove(true);
return;
}
result.RemoveAt(index);
};
Action reset = () =>
{
object value = list;
if (dictionaryAdapter.ShouldClearProperty(result.Property, value))
{
result.Remove(true);
return;
}
WriteCollection(result, ref value, dictionaryAdapter);
};
var initializer = (IValueInitializer)Activator.CreateInstance(
initializerType, addAt, addNew, setAt, removeAt, reset);
initializer.Initialize(dictionaryAdapter, list);
}
return list;
}
private void WriteArray(XPathResult result, object value, IDictionaryAdapter dictionaryAdapter)
{
var array = (Array)value;
var itemType = array.GetType().GetElementType();
foreach (var item in array)
{
var element = item;
var node = result.CreateNode(itemType, element, type => dictionaryAdapter.GetXmlMeta(type));
WriteProperty(node, ref element, dictionaryAdapter);
}
}
private object ReadList(XPathResult result, IDictionaryAdapter dictionaryAdapter)
{
Type listType = null, initializerType = null;
var arguments = result.Type.GetGenericArguments();
var genericDef = result.Type.GetGenericTypeDefinition();
var itemType = arguments[0];
if (genericDef == typeof(List<>))
{
listType = typeof(EditableList<>).MakeGenericType(arguments);
}
else
{
listType = typeof(EditableBindingList<>).MakeGenericType(arguments);
initializerType = typeof(BindingListInitializer<>).MakeGenericType(arguments);
}
var list = (IList)Activator.CreateInstance(listType);
Func<Type, XmlMetadata> getXmlMeta = type => dictionaryAdapter.GetXmlMeta(type);
foreach (var item in result.GetNodes(itemType, getXmlMeta))
{
list.Add(ReadProperty(item, false, dictionaryAdapter));
}
if (initializerType != null)
{
Func<object> addNew = () =>
{
var node = result.CreateNode(itemType, null, getXmlMeta);
return ReadProperty(node, false, dictionaryAdapter);
};
Action<int, object> addAt = (index, item) =>
{
var node = result.CreateNode(itemType, item, getXmlMeta);
WriteProperty(node, item, dictionaryAdapter);
};
Action<int, object> setAt = (index, item) =>
{
var node = result.GetNodeAt(itemType, index);
WriteProperty(node, item, dictionaryAdapter);
};
Action<int> removeAt = index => result.RemoveAt(index);
var initializer = (IValueInitializer)Activator.CreateInstance(
initializerType, addAt, addNew, setAt, removeAt);
initializer.Initialize(dictionaryAdapter, list);
}
return list;
}
