protected virtual void Function(TemplateContext context, string ns, string name, JObject function)
{
if (!TryObjectProperty(function, PROPERTY_OUTPUT, out JObject output))
{
return;
}
TryArrayProperty(function, PROPERTY_PARAMETERS, out JArray parameters);
//var outputFn = context.Expression.Build(outputValue);
ExpressionFn fn = (ctx, args) => {
var fnContext = new UserDefinedFunctionContext(ctx);
fnContext.SetParameters(parameters, args);
return(UserDefinedFunction(fnContext, output[PROPERTY_VALUE]));
};
context.Function(ns, name, fn);
}
public FunctionDescriptor(string name, ExpressionFn fn, bool delayBinding = false)
{
Name = name;
Fn = fn;
DelayBinding = delayBinding;
}
public FunctionDescriptor(string name, ExpressionFn fn)
{
Name = name;
Fn = fn;
}
internal void Function(string ns, string name, ExpressionFn fn)
{
var descriptor = new FunctionDescriptor(string.Concat(ns, ".", name), fn);
_ExpressionFactory.With(descriptor);
}
