private void ApplyRewriteRule(Dictionary <string, string> entityProperties, RewriteDirective.Rule rule, EvaluationContext context)
{
var attributeName = Evaluation.EvaluateInterpolatedString(rule.Attribute, context);
if (rule.DeleteAttribute)
{
entityProperties.Remove(attributeName);
context.Bind(attributeName, null);
}
else
{
var value = Evaluation.EvaluateInterpolatedString(rule.NewValue, context);
entityProperties[attributeName] = value;
context.Bind(attributeName, value);
}
}
/// <summary>
/// Creates functions for all public instance methods in the given instance, and creates bindings for them in the given context.
/// </summary>
public static void RegisterInstanceMethods(EvaluationContext context, object instance)
{
foreach (var method in instance.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
{
var function = CreateFunction(method, instance);
context.Bind(function.Name, function);
}
}
/// <summary>
/// Creates functions for all public static methods in the given type, and creates bindings for them in the given context.
/// </summary>
public static void RegisterStaticMethods(EvaluationContext context, Type functionsContainer)
{
foreach (var method in functionsContainer.GetMethods(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly))
{
var function = CreateFunction(method);
context.Bind(function.Name, function);
}
}
static Evaluation()
{
// The globals context gives access to various global functions:
_globalsContext = new EvaluationContext();
NativeUtils.RegisterStaticMethods(_globalsContext, typeof(GlobalFunctions));
// as well as some constants:
_globalsContext.Bind("PI", Math.PI);
}
