/// <summary>
/// Writes a value to the specified <see cref="TextWriter" />.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="lambdaWriter">The lambda writer.</param>
/// <exception cref="System.ArgumentNullException">writer</exception>
public virtual void WriteTo(TextWriter writer, LambdaWriter lambdaWriter)
{
if (writer == null) throw new ArgumentNullException("writer");
if (lambdaWriter == null) throw new ArgumentNullException("lambdaWriter");
lambdaWriter.WriteTo(writer);
}
/// <summary>
/// Runs the templating.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>The result of templating.</returns>
/// <exception cref="System.InvalidOperationException">If a layout was not found</exception>
public virtual string Run(PageTemplateContext context)
{
try
{
var writer = new StringWriter();
// Execute this template
Context = context;
context.Writer = writer;
Execute();
Context.Writer = null;
// If we are in a layout context, use the current layout
if (Layout != null)
{
// Get the layout template.
var layout = FindTemplate(Layout);
if (layout == null)
{
throw new InvalidOperationException(
string.Format("Layout [{0}] was not found in registered template", Layout));
}
// Push the current body instance onto the stack for later execution.
var layoutWriter = new LambdaWriter(tw => tw.Write(writer.ToString()));
context.PushBody(layoutWriter);
return layout.Run(context);
}
return writer.ToString();
}
catch (Exception ex)
{
throw;
}
}
/// <summary>
/// Writes to the current <see cref="Writer"/> using the specified lambda writer.
/// </summary>
/// <param name="lambdaWriter">The lambda writer.</param>
public virtual void Write(LambdaWriter lambdaWriter)
{
if (lambdaWriter == null)
return;
WriteTo(Writer, lambdaWriter);
}
/// <summary>
/// Pushes the body of a layout that will be rendered later (at <see cref="PopBody"/> time).
/// </summary>
/// <param name="writer">The writer.</param>
/// <exception cref="System.ArgumentNullException">writer</exception>
public virtual void PushBody(LambdaWriter writer)
{
if (writer == null) throw new ArgumentNullException("writer");
lambdaWriters.Push(writer);
}