public HelperResult RenderSection(string name, bool required)
{
EnsurePageCanBeRequestedDirectly("RenderSection");
if (PreviousSectionWriters.ContainsKey(name))
{
var result = new HelperResult(tw =>
{
if (_renderedSections.Contains(name))
{
throw new HttpException(String.Format(CultureInfo.InvariantCulture, WebPageResources.WebPage_SectionAleadyRendered, name));
}
var body = PreviousSectionWriters[name];
// Since the body can also call RenderSection, we need to temporarily remove
// the current sections from the stack.
var top = SectionWritersStack.Pop();
bool pushed = false;
try
{
if (Output != tw)
{
OutputStack.Push(tw);
pushed = true;
}
body();
}
finally
{
if (pushed)
{
OutputStack.Pop();
}
}
SectionWritersStack.Push(top);
_renderedSections.Add(name);
});
return(result);
}
else if (required)
{
// If the section is not found, and it is not optional, throw an error.
throw new HttpException(String.Format(CultureInfo.InvariantCulture, WebPageResources.WebPage_SectionNotDefined, name));
}
else
{
// If the section is optional and not found, then don't do anything.
return(null);
}
}
public void SetState(Connection connection, State state)
{
var couple = EndpointCouples.FirstOrDefault(e => e.Item1 == connection);
if (couple == null)
{
return;
}
foreach (var ncdControlMessage in couple.Item2.GetMessages(state, couple.Item3))
{
OutputStack.Push(ncdControlMessage.GetMessage());
}
}
public void PushContext(WebPageContext pageContext, TextWriter writer)
{
_currentWriter = writer;
PageContext = pageContext;
pageContext.Page = this;
InitializePage();
// Create a temporary writer
_tempWriter = new StringWriter(CultureInfo.InvariantCulture);
// Render the page into it
OutputStack.Push(_tempWriter);
SectionWritersStack.Push(new Dictionary <string, SectionWriter>(StringComparer.OrdinalIgnoreCase));
// If the body is defined in the ViewData, remove it and store it on the instance
// so that it won't affect rendering of partial pages when they call VerifyRenderedBodyOrSections
if (PageContext.BodyAction != null)
{
_body = PageContext.BodyAction;
PageContext.BodyAction = null;
}
}
public void PopContext()
{
string renderedContent = _tempWriter.ToString();
OutputStack.Pop();
if (!String.IsNullOrEmpty(Layout))
{
// If a layout file was specified, render it passing our page content
OutputStack.Push(_currentWriter);
RenderSurrounding(
Layout,
w => w.Write(renderedContent));
OutputStack.Pop();
}
else
{
// Otherwise, just render the page
_currentWriter.Write(renderedContent);
}
VerifyRenderedBodyOrSections();
SectionWritersStack.Pop();
}
public void PopContext()
{
// Using the CopyTo extension method on the _tempWriter instead of .ToString()
// to avoid allocating large strings that then end up on the Large object heap.
OutputStack.Pop();
if (!String.IsNullOrEmpty(Layout))
{
string layoutPagePath = NormalizeLayoutPagePath(Layout);
// If a layout file was specified, render it passing our page content.
OutputStack.Push(_currentWriter);
RenderSurrounding(layoutPagePath, _tempWriter.CopyTo);
OutputStack.Pop();
}
else
{
// Otherwise, just render the page.
_tempWriter.CopyTo(_currentWriter);
}
VerifyRenderedBodyOrSections();
SectionWritersStack.Pop();
}
void PrintLog(int Rule)
{
OutputStack.Push(WorkStack.Pop());
Log += '\n' + "M (" + OutputStack.Peek() + "," + input[Counter] + ") = " + Convert.ToString(Rule);
}
void PrintLog(int Rule)
{
OutputStack.Push(WorkStack.Pop());
Log += "M (" + OutputStack.Peek() + " , " + buffer.Token + ") = " + Convert.ToString(Rule) + "\n";
}