private static void WriteQuery(JsonWriter writer, Spec.Query query)
{
writer.BeginArray();
writer.WriteNumber((int)query.type);
if (query.type == Spec.Query.QueryType.START)
{
WriteTerm(writer, query.query);
writer.BeginObject();
foreach (var opt in query.global_optargs)
{
writer.WriteMember(opt.key);
WriteTerm(writer, opt.val);
}
writer.EndObject();
}
writer.EndArray();
}
private static void WriteTerm(JsonWriter writer, Spec.Term term)
{
if (term.type == Term.TermType.DATUM)
{
WriteDatum(writer, term.datum);
return;
}
writer.BeginArray();
writer.WriteNumber((int)term.type);
if (term.args.Count > 0 || term.optargs.Count > 0)
{
writer.BeginArray();
foreach (var arg in term.args)
{
WriteTerm(writer, arg);
}
writer.EndArray();
writer.BeginObject();
foreach (var opt in term.optargs)
{
writer.WriteMember(opt.key);
WriteTerm(writer, opt.val);
}
writer.EndObject();
}
writer.EndArray();
}
private static void WriteDatum(JsonWriter writer, Spec.Datum datum)
{
switch (datum.type)
{
case Spec.Datum.DatumType.R_BOOL:
writer.WriteBoolean(datum.r_bool);
break;
case Spec.Datum.DatumType.R_JSON:
throw new NotSupportedException();
case Spec.Datum.DatumType.R_NULL:
writer.WriteNull();
break;
case Spec.Datum.DatumType.R_NUM:
writer.WriteNumber(datum.r_num);
break;
case Spec.Datum.DatumType.R_STR:
writer.WriteString(datum.r_str);
break;
case Spec.Datum.DatumType.R_ARRAY:
{
var newterm = new Term() { type = Term.TermType.MAKE_ARRAY };
newterm.args.AddRange(datum.r_array.Select(ap => new Term()
{
type = Term.TermType.DATUM,
datum = ap,
}));
WriteTerm(writer, newterm);
}
break;
case Spec.Datum.DatumType.R_OBJECT:
{
var newterm = new Term() { type = Term.TermType.MAKE_OBJ };
newterm.optargs.AddRange(datum.r_object.Select(ap => new Term.AssocPair()
{
key = ap.key,
val = new Term()
{
type = Term.TermType.DATUM,
datum = ap.val
}
}));
WriteTerm(writer, newterm);
}
break;
}
}
