/// <summary>
/// Pass an XML document string in for processing.
/// </summary>
/// <param name="stringName">A human-readable identifier useful for debugging. Generally, the name of the file that the string was read from. Not required (but very useful.)</param>
public void AddString(string input, string stringName = "(unnamed)")
{
// This is a really easy error to make; we might as well handle it.
if (input.EndsWith(".xml"))
{
Dbg.Err($"It looks like you've passed the filename {input} to AddString instead of the actual XML file. Either use AddFile() or pass the file contents in.");
}
if (s_Status != Status.Accumulating)
{
Dbg.Err($"Adding data while while the world is in {s_Status} state; should be {Status.Accumulating} state");
}
XDocument doc;
try
{
doc = XDocument.Parse(input, LoadOptions.SetLineInfo);
}
catch (System.Xml.XmlException e)
{
Dbg.Ex(e);
return;
}
if (doc.Elements().Count() > 1)
{
// This isn't testable, unfortunately; XDocument doesn't even support multiple root elements.
Dbg.Err($"{stringName}: Found {doc.Elements().Count()} root elements instead of the expected 1");
}
var readerContext = new ReaderContext(stringName, false);
foreach (var rootElement in doc.Elements())
{
if (rootElement.Name.LocalName != "Defs")
{
Dbg.Wrn($"{stringName}:{rootElement.LineNumber()}: Found root element with name \"{rootElement.Name.LocalName}\" when it should be \"Defs\"");
}
foreach (var defElement in rootElement.Elements())
{
string typeName = defElement.Name.LocalName;
Type typeHandle = UtilType.ParseDefFormatted(typeName, stringName, defElement.LineNumber());
if (typeHandle == null || !typeof(Def).IsAssignableFrom(typeHandle))
{
Dbg.Err($"{stringName}:{defElement.LineNumber()}: {typeName} is not a valid root Def type");
continue;
}
if (defElement.Attribute("defName") == null)
{
Dbg.Err($"{stringName}:{defElement.LineNumber()}: No def name provided");
continue;
}
string defName = defElement.Attribute("defName").Value;
if (!DefNameValidator.IsMatch(defName))
{
Dbg.Err($"{stringName}:{defElement.LineNumber()}: Def name \"{defName}\" doesn't match regex pattern \"{DefNameValidator}\"");
continue;
}
// Consume defName so we know it's not hanging around
defElement.Attribute("defName").Remove();
// Check to see if we're abstract
bool abstrct = false;
{
var abstractAttribute = defElement.Attribute("abstract");
if (abstractAttribute != null)
{
if (!bool.TryParse(abstractAttribute.Value, out abstrct))
{
Dbg.Err($"{stringName}:{defElement.LineNumber()}: Error encountered when parsing abstract attribute");
}
abstractAttribute.Remove();
}
}
// Get our parent info
string parent = null;
{
var parentAttribute = defElement.Attribute("parent");
if (parentAttribute != null)
{
parent = parentAttribute.Value;
parentAttribute.Remove();
}
}
// Register ourselves as an available parenting object
{
var identifier = Tuple.Create(typeHandle.GetDefRootType(), defName);
if (potentialParents.ContainsKey(identifier))
{
Dbg.Err($"{stringName}:{defElement.LineNumber()}: Def {identifier.Item1}:{identifier:Item2} redefined");
}
else
{
potentialParents[identifier] = new Parent {
xml = defElement, context = readerContext, parent = parent
};
}
}
if (!abstrct)
{
// Not abstract, so create our instance
var defInstance = (Def)Activator.CreateInstance(typeHandle);
defInstance.DefName = defName;
Database.Register(defInstance);
if (parent == null)
{
// Non-parent objects are simple; we just handle them here in order to avoid unnecessary GC churn
finishWork.Add(() => Serialization.ParseElement(defElement, typeHandle, defInstance, readerContext, isRootDef: true));
}
else
{
// Add an inheritance resolution job; we'll take care of this soon
inheritanceJobs.Add(new InheritanceJob {
target = defInstance, xml = defElement, context = readerContext, parent = parent
});
}
}
}
}
}
internal static object ParseString(string text, Type type, object model, string inputName, int lineNumber)
{
// Special case: Converter override
// This is redundant if we're being called from ParseElement, but we aren't always.
if (Converters.ContainsKey(type))
{
object result;
try
{
result = Converters[type].FromString(text, type, inputName, lineNumber);
}
catch (Exception e)
{
Dbg.Ex(e);
if (type.IsValueType)
{
result = Activator.CreateInstance(type);
}
else
{
result = null;
}
}
if (result != null && !type.IsAssignableFrom(result.GetType()))
{
Dbg.Err($"{inputName}:{lineNumber}: Converter {Converters[type].GetType()} for {type} returned unexpected type {result.GetType()}");
return(null);
}
return(result);
}
// Special case: defs
if (typeof(Def).IsAssignableFrom(type))
{
if (type.GetDefRootType() == null)
{
Dbg.Err($"{inputName}:{lineNumber}: Non-hierarchy defs cannot be used as references");
return(null);
}
if (text == "" || text == null)
{
// you reference nothing, you get the null
return(null);
}
else
{
Def result = Database.Get(type, text);
if (result == null)
{
Dbg.Err($"{inputName}:{lineNumber}: Couldn't find {type} named {text}");
}
return(result);
}
}
// Special case: types
if (type == typeof(Type))
{
if (text == "")
{
return(null);
}
return(UtilType.ParseDefFormatted(text, inputName, lineNumber));
}
// Various non-composite-type special-cases
if (text != "")
{
// If we've got text, treat us as an object of appropriate type
try
{
return(TypeDescriptor.GetConverter(type).ConvertFromString(text));
}
catch (System.Exception e) // I would normally not catch System.Exception, but TypeConverter is wrapping FormatException in an Exception for some reason
{
Dbg.Err($"{inputName}:{lineNumber}: {e.ToString()}");
return(model);
}
}
else if (type == typeof(string))
{
// If we don't have text, and we're a string, return ""
return("");
}
else
{
// If we don't have text, and we've fallen down to this point, that's an error (and return original value I guess)
Dbg.Err($"{inputName}:{lineNumber}: Empty field provided for type {type}");
return(model);
}
}
