private bool Equals(RoutePatternParameterPart x, RoutePatternParameterPart y)
{
return
(x.Name == y.Name &&
x.Default == y.Default &&
x.ParameterKind == y.ParameterKind &&
Enumerable.SequenceEqual(x.ParameterPolicies, y.ParameterPolicies, this));
}
private bool MatchesConstraints(RoutePattern pattern, RoutePatternParameterPart parameter, string key, RouteValueDictionary requiredValues)
{
if (pattern.ParameterPolicies.TryGetValue(key, out var policies))
{
for (var i = 0; i < policies.Count; i++)
{
var policy = _policyFactory.Create(parameter, policies[i]);
if (policy is IRouteConstraint constraint)
{
if (!constraint.Match(httpContext: null, NullRouter.Instance, key, requiredValues, RouteDirection.IncomingRequest))
{
return(false);
}
}
}
}
return(true);
}
private void RemoveParameterDefault(List <RoutePatternPathSegment> segments, List <RoutePatternParameterPart> parameters, RoutePatternParameterPart parameter)
{
// We know that a parameter can only appear once, so we only need to rewrite one segment and one parameter.
for (var i = 0; i < segments.Count; i++)
{
var segment = segments[i];
for (var j = 0; j < segment.Parts.Count; j++)
{
if (object.ReferenceEquals(parameter, segment.Parts[j]))
{
// Found it!
var updatedParameter = RoutePatternFactory.ParameterPart(parameter.Name, @default: null, parameter.ParameterKind, parameter.ParameterPolicies);
var updatedParts = new List <RoutePatternPart>(segment.Parts);
updatedParts[j] = updatedParameter;
segments[i] = RoutePatternFactory.Segment(updatedParts);
for (var k = 0; k < parameters.Count; k++)
{
if (ReferenceEquals(parameter, parameters[k]))
{
parameters[k] = updatedParameter;
break;
}
}
return;
}
}
}
}