public static (GetRule, PathExpander) Parse(IDictionary <string, RuleDefinition> rules, GetRuleParser parserResolver)
{
var tree = new RadixTree <IRule>(rules.ToDictionary(x => x.Key.ToLower(), x => parserResolver(x.Value.Format).Parse(x.Value.Payload)));
Option <IRule> RulesRepository(ConfigurationPath path) => tree.TryGetValue(path, out var rule) ? Option <IRule> .Some(rule) : Option <IRule> .None;
IEnumerable <ConfigurationPath> PathExpander(ConfigurationPath path)
{
if (!path.IsScan)
{
return new[] { path }
}
;
var keys = path == ConfigurationPath.FullScan
? tree.Keys
: tree.ListPrefix($"{path.Folder}/").Select(c => c.key);
return(keys.Select(ConfigurationPath.New).Where(x => !x.IsHidden(path.Folder)));
}
return(RulesRepository, PathExpander);
}
}