/// <summary>
/// Renders a named partial template if one exists with the given context
/// </summary>
/// <param name="writer">The writer to write the token to</param>
/// <param name="context">The context to discover values from</param>
/// <param name="partials">The partial templates available to the token</param>
/// <param name="originalTemplate">The original template</param>
/// <returns>The rendered partial template</returns>
public string Render(Writer writer, Context context, IDictionary<string, string> partials, string originalTemplate)
{
var value = partials != null && partials.ContainsKey(Value) ? partials[Value] : null;
if (value == null && context.Registry.PartialTemplateLoader != null)
{
value = context.Registry.PartialTemplateLoader.Load(Value);
}
return value != null ? writer.RenderTokens(writer.Parse(value), context, partials, value) : null;
}
