private void _PreParse(string xmlContent, string filename, ref PrototypeParseParameters parameters, List <SerializedData> result)
{
ListPool <SerializedData> .GetIfNull(ref result);
ListPool <ParsingError> .GetIfNull(ref errors);
var xElement = XElement.Parse(xmlContent);
// Validity checks
if (!ParsingValidation.ContainerElementName(xElement, filename, errors) ||
!ParsingValidation.ContainerTypeAttribute(xElement, filename, errors))
{
return;
}
// Get type
XAttribute typeAttribute = xElement.Attribute(PrototypeContainerAttributeType);
var type = GetSerializableTypeCacheFor(typeAttribute.Value, ref parameters);
if (!ParsingValidation.TypeFound(xElement, typeAttribute, type, filename, errors))
{
return;
}
// Iterate over nodes
foreach (var xNode in xElement.Nodes())
{
var elementType = type;
var nodeXElement = xNode as XElement;
// Validity checks
if (!ParsingValidation.NodeIsElement(xNode, filename, errors) ||
!ParsingValidation.PrototypeElementName(nodeXElement, filename, errors))
{
continue;
}
var elementTypeAttribute = nodeXElement.Attribute(PrototypeContainerAttributeType);
if (!ReferenceEquals(elementTypeAttribute, null))
{
elementType = GetSerializableTypeCacheFor(elementTypeAttribute.Value, ref parameters);
if (!ParsingValidation.TypeFound(nodeXElement, elementTypeAttribute, elementType, filename, errors))
{
continue;
}
}
// Prepare
var data = new SerializedData(elementType, nodeXElement, filename);
result.Add(data);
}
}
/// <summary>
/// Actually loads the data from the previous parse <see cref="ParseFields(List{ParsingError})"/>.
/// It will for every field with string data deserialize this data using <see cref="IPrototypeDataSerializer"/>.
///
/// For every sub-data field (<seealso cref="ParseFields(List{ParsingError})"/>) a <see cref="SerializedData"/> object is being written to <see cref="fields"/>.
/// The sub-data object will have <see cref="PrepareParse(SerializableTypeCache, XElement, string)"/>, <see cref="ParseFields(List{ParsingError})"/> and <see cref="LoadFields(List{ParsingError}, PrototypeParserState)"/> called.
/// </summary>
public void LoadFields(List <ParsingError> errors, PrototypeParserState state)
{
foreach (var xNode in xElement.Nodes())
{
if (!ParsingValidation.NodeIsElement(xNode, this.filename, errors)) // Malformed XML
{
continue;
}
var xElement = xNode as XElement;
var elementName = xElement.Name.LocalName;
// Field unknown?
if (!ParsingValidation.FieldKnown(xElement, targetType, elementName, filename, errors))
{
continue;
}
debug.Add(elementName, xElement);
var fieldData = targetType.GetFieldData(elementName);
var fieldType = fieldData.serializableTypeCache;
bool isCollection = SerializedCollectionData.IsCollection(fieldData.fieldInfo.FieldType);
IPrototypeDataSerializer serializer = PrototypeCaches.GetBestSerializerFor(fieldData.fieldInfo.FieldType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!ParsingValidation.SerializerWasFound(xElement, serializer, elementName, targetType == null ? null : targetType.type, fieldType == null ? null : fieldType.type, filename, errors))
{
continue;
}
fields.Add(elementName, serializer.Deserialize(fieldData.fieldInfo.FieldType, xElement, state));
}
catch (Exception ex)
{
errors.Add(new ParsingError(ParsingErrorSeverity.ERROR, filename, -1, "Serializer threw exception on field " + elementName + " on type " + targetType.type + ":\n\n" + ex.ToString() + "\n\nSkipping field!"));
}
}
else if (isCollection)
{
var col = new SerializedCollectionData(fieldData.fieldInfo.FieldType, xElement, this.filename);
col.ParseAndLoadData(errors, state);
fields.Add(elementName, col);
// Collection override action?
var collectionOverrideAttrib = xElement.Attribute(PrototypeParser.PrototypeAttributeCollectionOverrideAction);
if (!ReferenceEquals(collectionOverrideAttrib, null))
{
collectionOverrideActions.Set(elementName, (CollectionOverrideAction)Enum.Parse(typeof(CollectionOverrideAction), collectionOverrideAttrib.Value));
}
}
else
{
// A known serializable
// Prototype reference?
if (fieldData.isPrototype)
{
fields.Add(elementName, new SerializedPrototypeReference()
{
identifier = xElement.Value as string
});
}
else
{
// Determine which type to serialize
var targetType = fieldData.serializableTypeCache;
string typeName = fieldData.fieldInfo.Name;
// Check if element explicitly overwrites the type to support polymorphism
// The field type might be some base class type and the xml overwrites this type with a class extending from the base
var classAttrib = xElement.Attribute(PrototypeParser.PrototypeAttributeType);
if (!ReferenceEquals(classAttrib, null))
{
targetType = PrototypeCaches.GetSerializableTypeCacheFor(classAttrib.Value, state.parameters.standardNamespace);
typeName = classAttrib.Value;
}
// Field not serializable?
if (!ParsingValidation.DataFieldSerializerValid(xElement, targetType, typeName, elementName, filename, errors))
{
continue;
}
// Resolve field name type
var d = new SerializedData(targetType, xElement as XElement, this.filename);
d.LoadFields(errors, state);
fields.Add(elementName, d);
}
}
}
}