public HxlDocumentFragment Convert(DomContainer html,
HxlDocumentFragment result,
Action <Type> typeUse)
{
_result = result;
_current = _result;
_typeUse = typeUse;
Visit(html);
return(_result);
}
private HxlDocumentFragment PrepareDocument()
{
_metrics.StartPreprocessor();
ParsedTemplate parsed = this;
// TODO Consider which services belong here
var sp = new ServiceContainer(ServiceProvider.Current);
var all = CreateCompilerProcessors();
var converter = new DomConverter();
var myDoc = converter.Convert(parsed.SourceDocument,
NewDocument(),
t => _implicitAssemblyReferences.Add(t.GetTypeInfo().Assembly));
foreach (var c in all)
{
c.Preprocess(myDoc, sp);
}
// TODO Combine adjacent text uses (performance)
// TODO ToArray() is wasteful (performance)
// Convert document
HxlDocumentFragment result = NewDocument();
foreach (var m in myDoc.ChildNodes.ToArray())
{
var conv = HxlCompilerConverter.ChooseConverter(m);
conv.ConvertAndAppend(result, m, CSharpScriptGenerator.Instance);
}
_metrics.EndPreprocessor();
// TODO This is a compiler settings property
bool skipOptimizations = false;
_metrics.TemplateOptimizerStarting("cs", !skipOptimizations);
if (!skipOptimizations)
{
_metrics.StartOptimizer();
OptimizeRenderIslands.Rewrite(result);
_metrics.EndOptimizer();
}
return(result);
}
public ParsedTemplate(string text, string name, HxlCompilerSettings settings)
{
_metrics = Metrics.ForTemplateParsing();
_metrics.StartParsing();
_sourceDocument = HtmlDocumentFragment.Parse(text, new HtmlReaderSettings {
Mode = HtmlTreeBuilderMode.Xml
});
_metrics.EndParsing(name, text.Length);
_settings = settings;
_nodeFactory = DomNodeFactory.Compose(
HxlDomNodeFactory.Compiler,
_settings.NodeFactories,
new InvalidFactory());
Signature = string.Concat(SHA256.Create().ComputeHash(Encoding.UTF8.GetBytes(text))
.Take(8)
.Select(b => b.ToString("x2"))
);
if (string.IsNullOrEmpty(name))
{
this.TemplateName = "Template" + this.Signature;
}
else
{
this.TemplateName = CodeUtility.Slug(name);
}
this.Namespace = "Generated";
this.ClassName = this.TemplateName;
using (UsingNamespaceResolver()) {
this._preparedDocument = PrepareDocument();
}
}
