public override DestinationPatternsMessageCondition Combine(DestinationPatternsMessageCondition other)
{
ISet <string> result = new HashSet <string>();
if (Patterns.Count > 0 && other.Patterns.Count > 0)
{
foreach (var pattern1 in Patterns)
{
foreach (var pattern2 in other.Patterns)
{
result.Add(_routeMatcher.Combine(pattern1, pattern2));
}
}
}
else if (Patterns.Count > 0)
{
result = new HashSet <string>(Patterns);
}
else if (other.Patterns.Count > 0)
{
result = new HashSet <string>(other.Patterns);
}
else
{
result.Add(string.Empty);
}
return(new DestinationPatternsMessageCondition(result, _routeMatcher));
}
private static ISet <string> PrependLeadingSlash(string[] patterns, IRouteMatcher routeMatcher)
{
var slashSeparator = routeMatcher.Combine("a", "a").Equals("a/a");
ISet <string> result = new HashSet <string>();
foreach (var pat in patterns)
{
var pattern = pat;
if (slashSeparator && !string.IsNullOrEmpty(pattern) && !pattern.StartsWith("/"))
{
pattern = "/" + pattern;
}
result.Add(pattern);
}
return(result);
}