public IEnumerable<IDocument> Execute(IReadOnlyList<IDocument> inputs, IExecutionContext context)
{
IRazorPageFactory pageFactory = new VirtualPathRazorPageFactory(context.InputFolder, context, _basePageType);
IViewStartProvider viewStartProvider = new ViewStartProvider(pageFactory);
IRazorViewFactory viewFactory = new RazorViewFactory(viewStartProvider);
IRazorViewEngine viewEngine = new RazorViewEngine(pageFactory, viewFactory);
return inputs.Select(x =>
{
ViewContext viewContext = new ViewContext(null, new ViewDataDictionary(), null, x.Metadata, context, viewEngine);
string relativePath = "/";
if (x.ContainsKey(MetadataKeys.RelativeFilePath))
{
relativePath += x.String(MetadataKeys.RelativeFilePath);
}
ViewEngineResult viewEngineResult = viewEngine.GetView(viewContext, relativePath, x.Content).EnsureSuccessful();
using (StringWriter writer = new StringWriter())
{
viewContext.View = viewEngineResult.View;
viewContext.Writer = writer;
AsyncHelper.RunSync(() => viewEngineResult.View.RenderAsync(viewContext));
return x.Clone(writer.ToString());
}
});
}
public IEnumerable<IDocument> Execute(IReadOnlyList<IDocument> inputs, IExecutionContext context)
{
IRazorPageFactory pageFactory = new VirtualPathRazorPageFactory(context.InputFolder, context, _basePageType);
List<IDocument> validInputs = inputs
.Where(x => _ignorePrefix == null
|| !x.ContainsKey(Keys.SourceFileName)
|| !x.String(Keys.SourceFileName).StartsWith(_ignorePrefix))
.ToList();
// Compile the pages in parallel
ConcurrentDictionary<IDocument, Tuple<ViewContext, ViewEngineResult>> compilationResults
= new ConcurrentDictionary<IDocument, Tuple<ViewContext, ViewEngineResult>>();
Parallel.ForEach(validInputs, x =>
{
Trace.Verbose("Compiling Razor for {0}", x.Source);
IViewStartProvider viewStartProvider = new ViewStartProvider(pageFactory, _viewStartPath?.Invoke<string>(x, context));
IRazorViewFactory viewFactory = new RazorViewFactory(viewStartProvider);
IRazorViewEngine viewEngine = new RazorViewEngine(pageFactory, viewFactory);
ViewContext viewContext = new ViewContext(null, new ViewDataDictionary(), null, x, context, viewEngine);
ViewEngineResult viewEngineResult;
using (Stream stream = x.GetStream())
{
viewEngineResult = viewEngine.GetView(viewContext, GetRelativePath(x), stream).EnsureSuccessful();
}
compilationResults[x] = new Tuple<ViewContext, ViewEngineResult>(viewContext, viewEngineResult);
});
// Now evaluate them in sequence - have to do this because BufferedHtmlContent doesn't appear to work well in multi-threaded parallel execution
TaskScheduler exclusiveScheduler = new ConcurrentExclusiveSchedulerPair().ExclusiveScheduler;
CancellationToken cancellationToken = new CancellationToken();
return validInputs
.Select(input =>
{
using (Trace.WithIndent().Verbose("Processing Razor for {0}", input.Source))
{
Tuple<ViewContext, ViewEngineResult> compilationResult;
if (compilationResults.TryGetValue(input, out compilationResult))
{
using (StringWriter writer = new StringWriter())
{
compilationResult.Item1.View = compilationResult.Item2.View;
compilationResult.Item1.Writer = writer;
Task.Factory.StartNew(() => compilationResult.Item2.View.RenderAsync(compilationResult.Item1),
cancellationToken, TaskCreationOptions.None, exclusiveScheduler).Unwrap().GetAwaiter().GetResult();
return context.GetDocument(input, writer.ToString());
}
}
Trace.Warning("Could not find compilation result for {0}", input.Source);
return null;
}
});
}
