internal override bool Enforce(JsonObject json, JsonObject parent)
{
if (json == null || !json.ContainsKey(Focus))
{
return(false);
}
JsonValue f = json[Focus];
if (f is JsonPrimitive fp)
{
if (Guard.EvaluateE(fp, json, parent))
{
var r = Act.ExecuteE(fp, json, parent);
if (r == null)
{
json.Remove(Focus);
return(true);
}
else
{
json[Focus] = r;
return(fp == r);
}
}
else
{
return(false);
}
}
else if (f is JsonArray fa)
{
List <string> bag = new List <string>();
for (int i = 0; i < fa.Count; i++)
{
var el = fa[i] as JsonPrimitive;
if (el == null)
{
Console.WriteLine($"Nested structures are not permitted: {fa[i]}");
return(false);
}
if (Guard.EvaluateE(el, json, parent))
{
JsonPrimitive r = Act.ExecuteE(el, json, parent);
var v = IO.BareValue(r);
if (r != null && !bag.Contains(v))
{
bag.Add(v);
}
}
else
{
if (!bag.Contains(el))
{
bag.Add(IO.BareValue(el));
}
}
}
if (bag.Count == 1)
{
json[Focus] = bag[0];
}
else
{
json[Focus] = new JsonArray(bag.Select(x => new JsonPrimitive(x)));
}
return(f != json[Focus]);
}
else
{
Console.WriteLine($"Nested structures are not permitted: {f}");
return(false);
}
}
internal override bool EvaluateE(JsonPrimitive jp, JsonValue json, JsonValue parent) => !Inner.EvaluateE(jp, json, parent);