/// <exclude />
public static Control AsAspNetControl(this XhtmlDocument xhtmlDocument, IXElementToControlMapper controlMapper)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
HtmlGenericControl htmlControl = new HtmlGenericControl("html");
CopyAttributes(xhtmlDocument.Root, htmlControl);
HtmlHead headControl = xhtmlDocument.BuildHtmlHeadControl(controlMapper);
Control bodyControl = xhtmlDocument.Body.AsAspNetControl(controlMapper);
htmlControl.Controls.Add(headControl);
htmlControl.Controls.Add(bodyControl);
PlaceHolder pageHolder = new PlaceHolder();
if (xhtmlDocument.DocumentType != null)
{
string docType = xhtmlDocument.DocumentType.ToString();
if (docType.Contains("[]"))
{
docType = docType.Remove(docType.IndexOf("[]"), 2);
}
pageHolder.Controls.Add(new LiteralControl(docType));
}
pageHolder.Controls.Add(htmlControl);
return pageHolder;
}
}
/// <exclude />
public static Control AsAspNetControl(this XhtmlDocument xhtmlDocument, IXElementToControlMapper controlMapper)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
var htmlControl = new HtmlGenericControl("html");
CopyAttributes(xhtmlDocument.Root, htmlControl);
HtmlHead headControl = xhtmlDocument.BuildHtmlHeadControl(controlMapper);
Control bodyControl = xhtmlDocument.Body.AsAspNetControl(controlMapper);
htmlControl.Controls.Add(headControl);
htmlControl.Controls.Add(bodyControl);
PlaceHolder pageHolder = new PlaceHolder();
if (xhtmlDocument.DocumentType != null)
{
string docType = xhtmlDocument.DocumentType.ToString();
var offset = docType.IndexOf("[]", StringComparison.Ordinal);
if (offset >= 0)
{
docType = docType.Remove(offset, 2);
}
pageHolder.Controls.Add(new LiteralControl(docType));
}
pageHolder.Controls.Add(htmlControl);
return(pageHolder);
}
}
/// <exclude />
public static Control AsAspNetControl(this XNode xnode, IXElementToControlMapper controlMapper)
{
if (xnode is XElement) return ((XElement)xnode).AsAspNetControl(controlMapper);
if (xnode is XDocument) return ((XDocument)xnode).Root.AsAspNetControl(controlMapper);
if (xnode is XText) return new LiteralControl(((XText)xnode).Value);
if (xnode is XComment) return new LiteralControl(string.Format("<!--{0}-->", ((XComment)xnode).Value));
throw new NotImplementedException(string.Format("Type '{0}' not handled", xnode.GetType().Name));
}
/// <exclude />
public static Control AsAspNetControl(this XElement element, IXElementToControlMapper controlMapper)
{
Control control;
if (controlMapper.TryGetControlFromXElement(element, out control) == false)
{
if (IsHtmlControlElement(element) || element.Attribute("id") != null)
{
control = new HtmlGenericControl(element.Name.LocalName);
control.ClientIDMode = ClientIDMode.Static;
CopyAttributes(element, (HtmlControl)control);
ExportChildNodes(element.Nodes(), control, controlMapper);
}
else
{
XElement copy = CopyWithoutNamespace(element, Namespaces.Xhtml);
control = new LiteralControl(copy.ToString());
}
}
return(control);
}
/// <exclude />
public static Control AsAspNetControl(this XNode xnode, IXElementToControlMapper controlMapper)
{
if (xnode is XElement)
{
return(((XElement)xnode).AsAspNetControl(controlMapper));
}
if (xnode is XDocument)
{
return(((XDocument)xnode).Root.AsAspNetControl(controlMapper));
}
if (xnode is XText)
{
return(new LiteralControl(((XText)xnode).Value));
}
if (xnode is XComment)
{
return(new LiteralControl(string.Format("<!--{0}-->", ((XComment)xnode).Value)));
}
throw new NotImplementedException(string.Format("Type '{0}' not handled", xnode.GetType().Name));
}
/// <exclude />
public static Control AsAspNetControl(this XNode xnode, IXElementToControlMapper controlMapper)
{
if (xnode is XElement element)
{
return(element.AsAspNetControl(controlMapper));
}
if (xnode is XDocument document)
{
return(document.Root.AsAspNetControl(controlMapper));
}
if (xnode is XText text)
{
return(new LiteralControl(text.Value));
}
if (xnode is XComment comment)
{
return(new LiteralControl($"<!--{comment.Value}-->"));
}
throw new NotImplementedException($"Type '{xnode.GetType().Name}' not handled");
}
private static HtmlHead BuildHtmlHeadControl(this XhtmlDocument xhtmlDocument, IXElementToControlMapper controlMapper)
{
HtmlHead headControl = new HtmlHead();
xhtmlDocument.MergeToHeadControl(headControl, controlMapper);
return headControl;
}
private static HtmlHead BuildHtmlHeadControl(this XhtmlDocument xhtmlDocument, IXElementToControlMapper controlMapper)
{
var headControl = new HtmlHead();
xhtmlDocument.MergeToHeadControl(headControl, controlMapper);
return(headControl);
}
internal static void MergeToHeadControl(this XhtmlDocument xhtmlDocument, HtmlHead headControl, IXElementToControlMapper controlMapper)
{
XElement headSource = xhtmlDocument.Head;
if (headSource == null) return;
CopyAttributes(headSource, headControl);
XElement titleElement = headSource.Elements(Namespaces.Xhtml + "title").LastOrDefault();
if (titleElement != null)
{
HtmlTitle existingControl = headControl.Controls.OfType<HtmlTitle>().FirstOrDefault();
if (existingControl != null)
{
headControl.Controls.Remove(existingControl);
}
// NOTE: we aren't using headControl.Title property since it adds "<title>" tag as the last one
headControl.Controls.AddAt(0, new HtmlTitle { Text = HttpUtility.HtmlEncode(titleElement.Value) });
}
var metaTags = headSource.Elements().Where(f => f.Name == Namespaces.Xhtml + "meta");
int metaTagPosition = Math.Min(1, headControl.Controls.Count);
foreach (var metaTag in metaTags)
{
HtmlMeta metaControl = new HtmlMeta();
foreach (var attribute in metaTag.Attributes())
{
metaControl.Attributes.Add(attribute.Name.LocalName, attribute.Value);
}
headControl.Controls.AddAt(metaTagPosition++, metaControl);
}
ExportChildNodes(headSource.Nodes().Where(f => ((f is XElement) == false || ((XElement)f).Name != Namespaces.Xhtml + "title" && ((XElement)f).Name != Namespaces.Xhtml + "meta")), headControl, controlMapper);
headControl.RemoveDuplicates();
}
/// <exclude />
public static Control Render(XDocument document, FunctionContextContainer contextContainer, IXElementToControlMapper mapper, IPage page)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
ExecuteEmbeddedFunctions(document.Root, contextContainer);
ResolvePageFields(document, page);
NormalizeAspNetForms(document);
if (document.Root.Name != Namespaces.Xhtml + "html")
{
return(new LiteralControl(document.ToString()));
}
XhtmlDocument xhtmlDocument = new XhtmlDocument(document);
NormalizeXhtmlDocument(xhtmlDocument);
ResolveRelativePaths(xhtmlDocument);
PrioritizeHeadNodex(xhtmlDocument);
AppendC1MetaTags(page, xhtmlDocument);
LocalizationParser.Parse(xhtmlDocument);
return(xhtmlDocument.AsAspNetControl(mapper));
}
}
private void MergeHeadSection(XhtmlDocument xhtmlDocument, HtmlHead headControl, IXElementToControlMapper controlMapper)
{
xhtmlDocument.MergeToHeadControl(headControl, controlMapper);
// handling custom master page head control locally - removing it if a generic meta description tag was in the document
if (headControl.Controls.OfType<HtmlMeta>().Any(f=>f.Name=="description"))
{
var existingDescriptionMetaTag = headControl.Controls.OfType<DescriptionMetaTag>().FirstOrDefault();
if (existingDescriptionMetaTag != null)
{
headControl.Controls.Remove(existingDescriptionMetaTag);
}
}
}
private static void ExportChildNodes(IEnumerable<XNode> nodes, Control containerControl, IXElementToControlMapper controlMapper)
{
foreach (var childNode in nodes)
{
if (childNode is XElement)
{
containerControl.Controls.Add(((XElement)childNode).AsAspNetControl(controlMapper));
continue;
}
if (childNode is XCData)
{
if (!childNode.Ancestors().Any(f => f.Name.LocalName == "script"))
{
XCData cdata = (XCData)childNode;
LiteralControl literal = new LiteralControl(cdata.Value);
containerControl.Controls.Add(literal);
continue;
}
}
if (childNode is XText)
{
LiteralControl literal = new LiteralControl(childNode.ToString());
containerControl.Controls.Add(literal);
continue;
}
if (childNode is XComment)
{
containerControl.Controls.Add(new LiteralControl(childNode.ToString() + "\n"));
continue;
}
throw new NotImplementedException(string.Format("Unhandled XNode type '{0}'", childNode.GetType()));
}
}
/// <exclude />
public static Control Render(XDocument document, FunctionContextContainer contextContainer, IXElementToControlMapper mapper, IPage page)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
ProcessPageDocument(document, contextContainer, page);
if (document.Root.Name != RenderingElementNames.Html)
{
return(new LiteralControl(document.ToString()));
}
var xhtmlDocument = new XhtmlDocument(document);
ProcessXhtmlDocument(xhtmlDocument, page);
using (Profiler.Measure("Converting XHTML document into an ASP.NET control"))
{
return(xhtmlDocument.AsAspNetControl(mapper));
}
}
}
private static void AddNodesAsControls(IEnumerable <XNode> nodes, Control parent, IXElementToControlMapper mapper)
{
foreach (var node in nodes)
{
var c = node.AsAspNetControl(mapper);
parent.Controls.Add(c);
}
}
/// <exclude />
public static Control AsAspNetControl(this XElement element, IXElementToControlMapper controlMapper)
{
Control control;
if (controlMapper.TryGetControlFromXElement(element, out control) == false)
{
if (IsHtmlControlElement(element) || element.Attribute("id") != null)
{
control = new HtmlGenericControl(element.Name.LocalName);
control.ClientIDMode = ClientIDMode.Static;
CopyAttributes(element, (HtmlControl)control);
ExportChildNodes(element.Nodes(), control, controlMapper);
}
else
{
XElement copy = CopyWithoutNamespace(element, Namespaces.Xhtml);
control = new LiteralControl(copy.ToString());
}
}
return control;
}
private static void ExportChildNodes(IEnumerable <XNode> nodes, Control containerControl, IXElementToControlMapper controlMapper)
{
foreach (var childNode in nodes)
{
if (childNode is XElement element)
{
containerControl.Controls.Add(element.AsAspNetControl(controlMapper));
continue;
}
if (childNode is XCData cdata)
{
if (!childNode.Ancestors().Any(f => f.Name.LocalName == "script"))
{
var literal = new LiteralControl(cdata.Value);
containerControl.Controls.Add(literal);
continue;
}
}
if (childNode is XText)
{
var literal = new LiteralControl(childNode.ToString());
containerControl.Controls.Add(literal);
continue;
}
if (childNode is XComment)
{
containerControl.Controls.Add(new LiteralControl(childNode + "\n"));
continue;
}
throw new NotImplementedException($"Unhandled XNode type '{childNode.GetType()}'");
}
}
internal static void MergeToHeadControl(this XhtmlDocument xhtmlDocument, HtmlHead headControl, IXElementToControlMapper controlMapper)
{
XElement headSource = xhtmlDocument.Head;
if (headSource == null)
{
return;
}
CopyAttributes(headSource, headControl);
XElement titleElement = headSource.Elements(XName_Title).LastOrDefault();
if (titleElement != null)
{
HtmlTitle existingControl = headControl.Controls.OfType <HtmlTitle>().FirstOrDefault();
if (existingControl != null)
{
headControl.Controls.Remove(existingControl);
}
// NOTE: we aren't using headControl.Title property since it adds "<title>" tag as the last one
headControl.Controls.AddAt(0, new HtmlTitle {
Text = HttpUtility.HtmlEncode(titleElement.Value)
});
}
var metaTags = headSource.Elements().Where(f => f.Name == XName_Meta);
int metaTagPosition = Math.Min(1, headControl.Controls.Count);
foreach (var metaTag in metaTags)
{
var metaControl = new HtmlMeta();
foreach (var attribute in metaTag.Attributes())
{
if (attribute.Name.LocalName == "id")
{
metaControl.ID = attribute.Value;
}
else
{
metaControl.Attributes.Add(attribute.Name.LocalName, attribute.Value);
}
}
headControl.Controls.AddAt(metaTagPosition++, metaControl);
}
ExportChildNodes(headSource.Nodes().Where(f =>
!(f is XElement element) || (element.Name != XName_Title && element.Name != XName_Meta)),
headControl, controlMapper);
headControl.RemoveDuplicates();
}
private void MergeHeadSection(XhtmlDocument xhtmlDocument, HtmlHead headControl, IXElementToControlMapper controlMapper)
{
xhtmlDocument.MergeToHeadControl(headControl, controlMapper);
// handling custom master page head control locally - removing it if a generic meta description tag was in the document
if (headControl.Controls.OfType <HtmlMeta>().Any(f => f.Name == "description"))
{
var existingDescriptionMetaTag = headControl.Controls.OfType <DescriptionMetaTag>().FirstOrDefault();
if (existingDescriptionMetaTag != null)
{
headControl.Controls.Remove(existingDescriptionMetaTag);
}
}
}
private static void AddNodesAsControls(IEnumerable<XNode> nodes, Control parent, IXElementToControlMapper mapper)
{
foreach (var node in nodes)
{
var c = node.AsAspNetControl(mapper);
parent.Controls.Add(c);
}
}
/// <exclude />
public static Control Render(XDocument document, FunctionContextContainer contextContainer, IXElementToControlMapper mapper, IPage page)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
using (Profiler.Measure("Executing embedded functions"))
{
ExecuteEmbeddedFunctions(document.Root, contextContainer);
}
using (Profiler.Measure("Resolving page fields"))
{
ResolvePageFields(document, page);
}
using (Profiler.Measure("Normalizing ASP.NET forms"))
{
NormalizeAspNetForms(document);
}
if (document.Root.Name != RenderingElementNames.Html)
{
return(new LiteralControl(document.ToString()));
}
var xhtmlDocument = new XhtmlDocument(document);
ProcessXhtmlDocument(xhtmlDocument, page);
using (Profiler.Measure("Converting XHTML document into an ASP.NET control"))
{
return(xhtmlDocument.AsAspNetControl(mapper));
}
}
}
/// <exclude />
public static Control Render(XDocument document, FunctionContextContainer contextContainer, IXElementToControlMapper mapper, IPage page)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
bool disableCaching = false;
using (Profiler.Measure("Executing embedded functions"))
{
ExecuteFunctionsRec(document.Root, contextContainer, func =>
{
if (!disableCaching && !FunctionAllowsCaching(func))
{
disableCaching = true;
}
return(true);
});
}
if (disableCaching)
{
using (Profiler.Measure("PageRenderer: Disabling HTTP caching as at least one of the functions is not cacheable"))
{
HttpContext.Current?.Response.Cache.SetCacheability(HttpCacheability.NoCache);
}
}
using (Profiler.Measure("Resolving page fields"))
{
ResolvePageFields(document, page);
}
using (Profiler.Measure("Normalizing ASP.NET forms"))
{
NormalizeAspNetForms(document);
}
if (document.Root.Name != RenderingElementNames.Html)
{
return(new LiteralControl(document.ToString()));
}
var xhtmlDocument = new XhtmlDocument(document);
ProcessXhtmlDocument(xhtmlDocument, page);
using (Profiler.Measure("Converting XHTML document into an ASP.NET control"))
{
return(xhtmlDocument.AsAspNetControl(mapper));
}
}
}
