private void WriteCollection(XPathResult result, ref object value, IDictionaryAdapter dictionaryAdapter)
{
if (value is byte[])
{
var node = result.GetNavigator(true);
node.SetValue(Convert.ToBase64String((byte[])value));
return;
}
result.Remove(value == null);
if (value != null)
{
if (result.Type.IsArray)
{
WriteArray(result, value, dictionaryAdapter);
}
else if (result.Type.IsGenericType)
{
WriteList(result, value, dictionaryAdapter);
}
if (result.Property != null)
{
value = ((IDictionaryPropertyGetter)this).GetPropertyValue(dictionaryAdapter, result.Key, null, result.Property, false);
}
}
}
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 WriteProperty(XPathResult result, ref object value, IDictionaryAdapter dictionaryAdapter)
{
var propertyType = result.Type;
var shouldRemove = (value == null);
if (result.Property != null)
{
shouldRemove = shouldRemove || dictionaryAdapter.ShouldClearProperty(result.Property, value);
}
if (shouldRemove)
{
result.Remove(true);
value = null;
return;
}
if (WriteCustom(result, value, dictionaryAdapter))
{
return;
}
if (propertyType == typeof(string))
{
WriteSimple(result, value, dictionaryAdapter);
}
else if (typeof(IXPathNavigable).IsAssignableFrom(propertyType))
{
WriteFragment(result, (IXPathNavigable)value);
}
else if (propertyType.IsArray || typeof(IEnumerable).IsAssignableFrom(propertyType))
{
WriteCollection(result, ref value, dictionaryAdapter);
}
else if (propertyType.IsInterface)
{
WriteComponent(result, ref value, dictionaryAdapter);
}
else
{
WriteSimple(result, value, dictionaryAdapter);
}
}
private void WriteCollection(XPathResult result, ref object value, IDictionaryAdapter dictionaryAdapter)
{
result.Remove(value == null);
if (value != null)
{
if (result.Type.IsArray)
{
WriteArray(result, value, dictionaryAdapter);
}
else if (result.Type.IsGenericType)
{
WriteList(result, value, dictionaryAdapter);
}
if (result.Property != null)
{
value = ((IDictionaryPropertyGetter)this).GetPropertyValue(dictionaryAdapter, result.Key, null, result.Property, false);
}
}
}
private void WriteCollection(XPathResult result, object value, IDictionaryAdapter dictionaryAdapter)
{
result.Remove();
if (value != null)
{
if (result.Type.IsArray)
{
WriteArray(result, value, dictionaryAdapter);
}
else if (result.Type.IsGenericType)
{
WriteList(result, value, dictionaryAdapter);
}
}
}
private void WriteComponent(XPathResult result, object value, IDictionaryAdapter dictionaryAdapter)
{
if (result.Property != null)
{
dictionaryAdapter.This.ExtendedProperties.Remove(result.Property.PropertyName);
}
if (value == null)
{
result.Remove();
return;
}
var source = value as IDictionaryAdapter;
if (source != null)
{
var node = result.RemoveChildren();
if (result.Type != source.Meta.Type && result.OmitPolymorphism == false)
{
var xmlType = source.GetXmlMeta().XmlType;
Context.SetXmlType(xmlType.TypeName, xmlType.Namespace, node);
}
var element = (IDictionaryAdapter)ReadComponent(result, false, dictionaryAdapter);
source.CopyTo(element);
}
}
private void WriteSimple(XPathResult result, object value, IDictionaryAdapter dictionaryAdapter)
{
if (value == null)
{
result.Remove();
if (result.Property != null)
dictionaryAdapter.This.ExtendedProperties.Remove(result.Property.PropertyName);
return;
}
var node = result.GetNavigator(true);
if (result.Type.IsEnum || result.Type == typeof(Guid))
{
node.SetTypedValue(value.ToString());
}
else
{
try
{
node.SetTypedValue(value);
}
catch (InvalidCastException)
{
if (DefaultXmlSerializer.Instance.WriteObject(result, node, value) && result.Property != null)
{
dictionaryAdapter.This.ExtendedProperties[result.Property.PropertyName] = value;
}
}
}
}
private void WritePrimitive(XPathResult result, object value)
{
if (value == null)
{
result.Remove();
}
else if (result.Type.IsEnum)
{
result.GetNavigator(true).SetTypedValue(value.ToString());
}
else
{
try
{
result.GetNavigator(true).SetTypedValue(value);
}
catch (InvalidCastException)
{
var converter = TypeDescriptor.GetConverter(result.Type);
if (converter != null && converter.CanConvertTo(typeof(string)))
{
value = converter.ConvertToString(value);
result.GetNavigator(true).SetTypedValue(value);
}
}
}
}