internal static void ImportXml(string xmlPath, out VisualTreeAsset vta)
{
vta = ScriptableObject.CreateInstance <VisualTreeAsset>();
vta.visualElementAssets = new List <VisualElementAsset>();
vta.templateAssets = new List <TemplateAsset>();
XDocument doc;
try
{
doc = XDocument.Load(xmlPath, LoadOptions.SetLineInfo);
}
catch (Exception context)
{
UIElementsViewImporter.logger.LogError(ImportErrorType.Syntax, ImportErrorCode.InvalidXml, context, UIElementsViewImporter.Error.Level.Fatal, null);
return;
}
StyleSheetBuilder styleSheetBuilder = new StyleSheetBuilder();
UIElementsViewImporter.LoadXmlRoot(doc, vta, styleSheetBuilder);
StyleSheet styleSheet = ScriptableObject.CreateInstance <StyleSheet>();
styleSheet.name = "inlineStyle";
styleSheetBuilder.BuildTo(styleSheet);
vta.inlineSheet = styleSheet;
}
private static void LoadXmlRoot(XDocument doc, VisualTreeAsset vta, StyleSheetBuilder ssb)
{
XElement root = doc.Root;
if (!string.Equals(root.Name.LocalName, "UXML", StringComparison.InvariantCulture))
{
UIElementsViewImporter.logger.LogError(ImportErrorType.Semantic, ImportErrorCode.InvalidRootElement, root.Name, UIElementsViewImporter.Error.Level.Fatal, root);
}
else
{
foreach (XElement current in root.Elements())
{
string localName = current.Name.LocalName;
if (localName != null)
{
if (localName == "Using")
{
UIElementsViewImporter.LoadUsingNode(vta, root, current);
continue;
}
}
UIElementsViewImporter.LoadXml(current, null, vta, ssb);
}
}
}
public override void OnImportAsset(AssetImportContext args)
{
UIElementsViewImporter.logger.BeginImport(args.assetPath);
VisualTreeAsset visualTreeAsset;
UIElementsViewImporter.ImportXml(args.assetPath, out visualTreeAsset);
args.AddObjectToAsset("tree", visualTreeAsset);
args.SetMainObject(visualTreeAsset);
if (!visualTreeAsset.inlineSheet)
{
visualTreeAsset.inlineSheet = ScriptableObject.CreateInstance <StyleSheet>();
}
args.AddObjectToAsset("inlineStyle", visualTreeAsset.inlineSheet);
}
private static void LoadXml(XElement elt, VisualElementAsset parent, VisualTreeAsset vta, StyleSheetBuilder ssb)
{
VisualElementAsset visualElementAsset;
if (!UIElementsViewImporter.ResolveType(elt, vta, out visualElementAsset))
{
UIElementsViewImporter.logger.LogError(ImportErrorType.Semantic, ImportErrorCode.UnknownElement, elt.Name.LocalName, UIElementsViewImporter.Error.Level.Fatal, elt);
}
else
{
int num = (parent != null) ? parent.id : 0;
int id = num << 1 ^ visualElementAsset.GetHashCode();
visualElementAsset.parentId = num;
visualElementAsset.id = id;
bool flag = UIElementsViewImporter.ParseAttributes(elt, visualElementAsset, ssb, vta, parent);
visualElementAsset.ruleIndex = ((!flag) ? -1 : ssb.EndRule());
if (visualElementAsset is TemplateAsset)
{
vta.templateAssets.Add((TemplateAsset)visualElementAsset);
}
else
{
vta.visualElementAssets.Add(visualElementAsset);
}
if (elt.HasElements)
{
foreach (XElement current in elt.Elements())
{
if (current.Name.LocalName == "Style")
{
UIElementsViewImporter.LoadStyleReferenceNode(visualElementAsset, current);
}
else
{
UIElementsViewImporter.LoadXml(current, visualElementAsset, vta, ssb);
}
}
}
}
}
