public static void With(TextWriter output, HelperOptions options, dynamic context, params object[] arguments)
{
if (arguments.Length != 1)
{
throw new HandlebarsException("{{with}} helper must have exactly one argument");
}
if (HandlebarsUtils.IsTruthyOrNonEmpty(arguments[0]))
{
options.Template(output, arguments[0]);
}
else
{
options.Inverse(output, context);
}
}
public static void Inline(TextWriter output, HelperOptions options, dynamic context, params object[] arguments)
{
if (arguments.Length != 1)
{
throw new HandlebarsException("{{*inline}} helper must have exactly one argument");
}
//This helper needs the "context" var to be the complete BindingContext as opposed to just the
//data { firstName: "todd" }. The full BindingContext is needed for registering the partial templates.
//This magic happens in BlockHelperFunctionbinder.VisitBlockHelperExpression
if (context as BindingContext == null)
{
throw new HandlebarsException("{{*inline}} helper must receiving the full BindingContext");
}
var key = arguments[0] as string;
//Inline partials cannot use the Handlebars.RegisterTemplate method
//because it is static and therefore app-wide. To prevent collisions
//this helper will add the compiled partial to a dicionary
//that is passed around in the context without fear of collisions.
context.InlinePartialTemplates.Add(key, options.Template);
}