// internal for testing
internal AttributeRouteEntries GetEntries(ActionDescriptorCollection actions)
{
var entries = new AttributeRouteEntries();
var routeInfos = GetRouteInfos(_constraintResolver, actions.Items);
// We're creating one TreeRouteLinkGenerationEntry per action. This allows us to match the intended
// action by expected route values, and then use the TemplateBinder to generate the link.
foreach (var routeInfo in routeInfos)
{
entries.LinkGenerationEntries.Add(new TreeRouteLinkGenerationEntry()
{
// Using routeInfo.Defaults here WITHOUT adding the RouteGroupKey. We don't want to impact the
// behavior of link generation.
Binder = new TemplateBinder(_urlEncoder, _contextPool, routeInfo.ParsedTemplate, routeInfo.Defaults),
Defaults = routeInfo.Defaults,
Constraints = routeInfo.Constraints,
Order = routeInfo.Order,
GenerationPrecedence = routeInfo.GenerationPrecedence,
RequiredLinkValues = routeInfo.ActionDescriptor.RouteValueDefaults,
RouteGroup = routeInfo.RouteGroup,
Template = routeInfo.ParsedTemplate,
Name = routeInfo.Name,
});
}
// We're creating one AttributeRouteMatchingEntry per group, so we need to identify the distinct set of
// groups. It's guaranteed that all members of the group have the same template and precedence,
// so we only need to hang on to a single instance of the RouteInfo for each group.
var distinctRouteInfosByGroup = GroupRouteInfosByGroupId(routeInfos);
foreach (var routeInfo in distinctRouteInfosByGroup)
{
// Note that because we only support 'inline' defaults, each routeInfo group also has the same
// set of defaults.
//
// We then inject the route group as a default for the matcher so it gets passed back to MVC
// for use in action selection.
var defaults = new RouteValueDictionary(routeInfo.Defaults);
defaults[TreeRouter.RouteGroupKey] = routeInfo.RouteGroup;
entries.MatchingEntries.Add(new TreeRouteMatchingEntry()
{
Order = routeInfo.Order,
Precedence = routeInfo.MatchPrecedence,
Target = _target,
RouteName = routeInfo.Name,
RouteTemplate = routeInfo.ParsedTemplate,
TemplateMatcher = new TemplateMatcher(routeInfo.ParsedTemplate, defaults),
Constraints = routeInfo.Constraints,
});
}
return(entries);
}
private TreeRouter BuildRoute(AttributeRouteEntries entries, int version)
{
var routeBuilder = new TreeRouteBuilder(_target, _loggerFactory);
foreach (var entry in entries.LinkGenerationEntries)
{
routeBuilder.Add(entry);
}
foreach (var entry in entries.MatchingEntries)
{
routeBuilder.Add(entry);
}
return(routeBuilder.Build(version));
}
