/// <summary>
        /// Binds placeholders' content to the related properties on a template definition
        /// </summary>
        /// <param name="template">The template.</param>
        /// <param name="pageContentToRender">The page rendering job.</param>
        /// <param name="placeholderProperties">The placeholder properties.</param>
        /// <param name="functionContextContainer">The function context container, if not null, nested functions fill be evaluated.</param>
        public static void BindPlaceholders(IPageTemplate template,
                                            PageContentToRender pageContentToRender,
                                            IDictionary <string, PropertyInfo> placeholderProperties,
                                            FunctionContextContainer functionContextContainer)
        {
            Verify.ArgumentNotNull(template, "template");
            Verify.ArgumentNotNull(pageContentToRender, "pageContentToRender");
            Verify.ArgumentNotNull(placeholderProperties, "placeholderProperties");

            foreach (var placeholderContent in pageContentToRender.Contents)
            {
                string placeholderId = placeholderContent.PlaceHolderId;

                if (!placeholderProperties.ContainsKey(placeholderId))
                {
                    continue;
                }

                XhtmlDocument placeholderXhtml = PageRenderer.ParsePlaceholderContent(placeholderContent);

                if (functionContextContainer != null)
                {
                    bool allFunctionsExecuted;

                    using (Profiler.Measure($"Evaluating placeholder '{placeholderId}'"))
                    {
                        allFunctionsExecuted = PageRenderer.ExecuteCacheableFunctions(placeholderXhtml.Root, functionContextContainer);
                    }

                    if (allFunctionsExecuted)
                    {
                        using (Profiler.Measure("Normalizing XHTML document"))
                        {
                            PageRenderer.NormalizeXhtmlDocument(placeholderXhtml);
                        }
                    }
                }

                PageRenderer.ResolveRelativePaths(placeholderXhtml);

                PropertyInfo property = placeholderProperties[placeholderId];

                if (!property.ReflectedType.IsInstanceOfType(template))
                {
                    string propertyName = property.Name;
                    property = template.GetType().GetProperty(property.Name);
                    Verify.IsNotNull(property, "Failed to find placeholder property '{0}'", propertyName);
                }

                property.SetValue(template, placeholderXhtml);
            }
        }
Exemplo n.º 2
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        public void ProcessRequest(HttpContext context)
        {
            OutputCacheHelper.InitializeFullPageCaching(context);

            using (var renderingContext = RenderingContext.InitializeFromHttpContext())
            {
                bool            cachingEnabled = false;
                string          cacheKey       = null;
                DonutCacheEntry cacheEntry     = null;

                bool consoleUserLoggedIn = Composite.C1Console.Security.UserValidationFacade.IsLoggedIn();

                // "Donut caching" is enabled for logged in users, only if profiling is enabled as well.
                if (!renderingContext.CachingDisabled &&
                    (!consoleUserLoggedIn || renderingContext.ProfilingEnabled))
                {
                    cachingEnabled = OutputCacheHelper.TryGetCacheKey(context, out cacheKey);
                    if (cachingEnabled)
                    {
                        using (Profiler.Measure("Cache lookup"))
                        {
                            cacheEntry = OutputCacheHelper.GetFromCache(context, cacheKey);
                        }
                    }
                }

                XDocument document;
                var       functionContext = PageRenderer.GetPageRenderFunctionContextContainer();

                bool allFunctionsExecuted   = false;
                bool preventResponseCaching = false;

                if (cacheEntry != null)
                {
                    document = cacheEntry.Document;
                    foreach (var header in cacheEntry.OutputHeaders)
                    {
                        context.Response.Headers[header.Name] = header.Value;
                    }

                    // Making sure this response will not go to the output cache
                    preventResponseCaching = true;
                }
                else
                {
                    if (renderingContext.RunResponseHandlers())
                    {
                        return;
                    }

                    var renderer = PageTemplateFacade.BuildPageRenderer(renderingContext.Page.TemplateId);

                    var slimRenderer = (ISlimPageRenderer)renderer;

                    using (Profiler.Measure($"{nameof(ISlimPageRenderer)}.Render"))
                    {
                        document = slimRenderer.Render(renderingContext.PageContentToRender, functionContext);
                    }

                    allFunctionsExecuted = PageRenderer.ExecuteCacheableFunctions(document.Root, functionContext);

                    if (cachingEnabled && !allFunctionsExecuted && OutputCacheHelper.ResponseCacheable(context))
                    {
                        preventResponseCaching = true;

                        if (!functionContext.ExceptionsSuppressed)
                        {
                            using (Profiler.Measure("Adding to cache"))
                            {
                                OutputCacheHelper.AddToCache(context, cacheKey, new DonutCacheEntry(context, document));
                            }
                        }
                    }
                }

                if (!allFunctionsExecuted)
                {
                    using (Profiler.Measure("Executing embedded functions"))
                    {
                        PageRenderer.ExecuteEmbeddedFunctions(document.Root, functionContext);
                    }
                }

                using (Profiler.Measure("Resolving page fields"))
                {
                    PageRenderer.ResolvePageFields(document, renderingContext.Page);
                }

                string xhtml;
                if (document.Root.Name == RenderingElementNames.Html)
                {
                    var xhtmlDocument = new XhtmlDocument(document);

                    PageRenderer.ProcessXhtmlDocument(xhtmlDocument, renderingContext.Page);
                    PageRenderer.ProcessDocumentHead(xhtmlDocument);

                    xhtml = xhtmlDocument.ToString();
                }
                else
                {
                    xhtml = document.ToString();
                }

                if (renderingContext.PreRenderRedirectCheck())
                {
                    return;
                }

                xhtml = renderingContext.ConvertInternalLinks(xhtml);

                if (GlobalSettingsFacade.PrettifyPublicMarkup)
                {
                    xhtml = renderingContext.FormatXhtml(xhtml);
                }

                var response = context.Response;

                if (preventResponseCaching)
                {
                    context.Response.Cache.SetNoServerCaching();
                }

                // Disabling ASP.NET cache if there's a logged-in user
                if (consoleUserLoggedIn)
                {
                    context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
                }

                // Inserting performance profiling information
                if (renderingContext.ProfilingEnabled)
                {
                    xhtml = renderingContext.BuildProfilerReport();

                    response.ContentType = "text/xml";
                }

                response.Write(xhtml);
            }
        }