public override ParseState Select(string attribute, bool required = false)
{
var value = GetProperty(attribute);
if (value != null)
{
return(new JsonParseState(value, Parser, attribute, this));
}
if (required)
{
throw ParseException.MissingAttribute(this, attribute);
}
return(null);
}
public override TValue Require <TValue>(string attribute, bool mainParameter = false)
{
var prop = GetProperty(attribute);
if (prop == null && mainParameter)
{
prop = GetProperty(null);
}
if (prop == null)
{
throw ParseException.MissingAttribute(this, attribute);
}
return(TryGet <TValue>(attribute, mainParameter: mainParameter));
}
public override IEnumerable <ParseState> SelectMany(string attribute = null, bool required = false)
{
var prop = GetProperty(attribute);
var value = prop is JObject ? new JArray(prop) : prop as JArray;
if (value != null)
{
foreach (var item in value)
{
if (item.Type != JTokenType.Comment)
{
yield return(new JsonParseState(item, Parser, attribute, this));
}
}
yield break;
}
if (required)
{
throw ParseException.MissingAttribute(this, attribute);
}
}