public XDocument Render(PageContentToRender contentToRender, FunctionContextContainer functionContextContainer)
{
Guid templateId = contentToRender.Page.TemplateId;
var renderingInfo = _renderingInfo[templateId];
if (renderingInfo == null)
{
Exception loadingException = _loadingExceptions[templateId];
if (loadingException != null)
{
throw loadingException;
}
Verify.ThrowInvalidOperationException($"Missing template '{templateId}'");
}
string output;
RazorPageTemplate webPage = null;
try
{
webPage = WebPageBase.CreateInstanceFromVirtualPath(renderingInfo.ControlVirtualPath) as RazorPageTemplate;
Verify.IsNotNull(webPage, "Razor compilation failed or base type does not inherit '{0}'",
typeof(RazorPageTemplate).FullName);
webPage.Configure();
using (Profiler.Measure("Evaluating placeholders"))
{
TemplateDefinitionHelper.BindPlaceholders(webPage, contentToRender, renderingInfo.PlaceholderProperties,
functionContextContainer);
}
// Executing razor code
var httpContext = new HttpContextWrapper(HttpContext.Current);
var startPage = StartPage.GetStartPage(webPage, "_PageStart", new[] { "cshtml" });
var pageContext = new WebPageContext(httpContext, webPage, startPage);
pageContext.PageData.Add(RazorHelper.PageContext_FunctionContextContainer, functionContextContainer);
var sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
using (Profiler.Measure("Executing Razor page template"))
{
webPage.ExecutePageHierarchy(pageContext, writer);
}
}
output = sb.ToString();
}
finally
{
webPage?.Dispose();
}
return(XDocument.Parse(output));
}
internal bool LoadRazorTemplate(
string virtualPath,
out WebPageBase webPage,
out PageTemplateDescriptor parsedTemplate,
out IDictionary <string, PropertyInfo> placeholderProperties,
out Exception loadingException)
{
try
{
webPage = WebPageBase.CreateInstanceFromVirtualPath(virtualPath);
}
catch (Exception ex)
{
Log.LogError(LogTitle, "Failed to compile razor file '{0}'", virtualPath);
Log.LogError(LogTitle, ex);
loadingException = ex is TargetInvocationException ? ex.InnerException : ex;
webPage = null;
parsedTemplate = null;
placeholderProperties = null;
return(false);
}
if (webPage == null || !(webPage is RazorPageTemplate))
{
parsedTemplate = null;
placeholderProperties = null;
loadingException = null;
return(true);
}
RazorPageTemplate razorPageTemplate = webPage as RazorPageTemplate;
razorPageTemplate.Configure();
try
{
ParseTemplate(virtualPath, razorPageTemplate, out parsedTemplate, out placeholderProperties);
}
catch (Exception ex)
{
Log.LogError(LogTitle, "Failed to load razor page template '{0}'", virtualPath);
Log.LogError(LogTitle, ex);
loadingException = ex;
parsedTemplate = null;
placeholderProperties = null;
return(false);
}
finally
{
razorPageTemplate.Dispose();
}
loadingException = null;
return(true);
}
private void RendererPage(object sender, EventArgs e)
{
Guid templateId = _job.Page.TemplateId;
var renderingInfo = _renderingInfo[templateId];
if (renderingInfo == null)
{
Exception loadingException = _loadingExceptions[templateId];
if (loadingException != null)
{
throw loadingException;
}
Verify.ThrowInvalidOperationException("Missing template '{0}'".FormatWith(templateId));
}
string output;
FunctionContextContainer functionContextContainer;
RazorPageTemplate webPage = null;
try
{
webPage = WebPageBase.CreateInstanceFromVirtualPath(renderingInfo.ControlVirtualPath) as AspNet.Razor.RazorPageTemplate;
Verify.IsNotNull(webPage, "Razor compilation failed or base type does not inherit '{0}'",
typeof(AspNet.Razor.RazorPageTemplate).FullName);
webPage.Configure();
functionContextContainer = PageRenderer.GetPageRenderFunctionContextContainer();
using (Profiler.Measure("Evaluating placeholders"))
{
TemplateDefinitionHelper.BindPlaceholders(webPage, _job, renderingInfo.PlaceholderProperties,
functionContextContainer);
}
// Executing razor code
var httpContext = new HttpContextWrapper(HttpContext.Current);
var startPage = StartPage.GetStartPage(webPage, "_PageStart", new[] { "cshtml" });
var pageContext = new WebPageContext(httpContext, webPage, startPage);
pageContext.PageData.Add(RazorHelper.PageContext_FunctionContextContainer, functionContextContainer);
var sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
using (Profiler.Measure("Executing Razor page template"))
{
webPage.ExecutePageHierarchy(pageContext, writer);
}
}
output = sb.ToString();
}
finally
{
if (webPage != null)
{
webPage.Dispose();
}
}
XDocument resultDocument = XDocument.Parse(output);
var controlMapper = (IXElementToControlMapper)functionContextContainer.XEmbedableMapper;
Control control = PageRenderer.Render(resultDocument, functionContextContainer, controlMapper, _job.Page);
using (Profiler.Measure("ASP.NET controls: PagePreInit"))
{
_aspnetPage.Controls.Add(control);
}
}
