private void makeKeyValue(JsonValue current, JsonToken lookahead)
{
JsonValue sep = (JsonValue)stack.Pop();
//이전걸 꺼내서 봤는데 헐 key/value pair의 구분자네?
if (sep.Type == JsonToken.Token.SEPRATION_KEY_VALUE)
{
JsonKeyValue kv = new JsonKeyValue();
kv.Key = ((JsonToken)stack.Pop()).data;
kv.Value = current;
stack.Push(kv);
}
else
{
stack.Push(sep);
stack.Push(current);
}
}
void ShiftReduce(JsonToken current, JsonToken lookahead)
{
switch (current.token)
{
case JsonToken.Token.OPEN_OBJECT:
stack.Push(current);
break;
case JsonToken.Token.OPEN_ARRAY:
stack.Push(current);
break;
case JsonToken.Token.CLOSE_OBJECT:
JsonValue t = stack.Pop();
JsonObject jsonobject = new JsonObject();
while (t.Type != JsonToken.Token.OPEN_OBJECT)
{
JsonKeyValue tmp = t as JsonKeyValue;
jsonobject.Add(tmp.Key, tmp.Value);
t = stack.Pop();
}
if (lookahead != null &&
(lookahead.token == JsonToken.Token.COMMA ||
lookahead.token == JsonToken.Token.CLOSE_OBJECT))
{
makeKeyValue(jsonobject, lookahead);
}
else
{
stack.Push(jsonobject);
}
break;
case JsonToken.Token.CLOSE_ARRAY:
JsonValue u = stack.Pop();
JsonArray jsonarray = new JsonArray();
while (u.Type != JsonToken.Token.OPEN_ARRAY)
{
jsonarray.Add(u);
u = stack.Pop();
}
jsonarray.Reverse();
if (lookahead != null &&
(lookahead.token == JsonToken.Token.COMMA ||
lookahead.token == JsonToken.Token.CLOSE_OBJECT))
{
makeKeyValue(jsonarray, lookahead);
}
else
{
stack.Push(jsonarray);
}
break;
case JsonToken.Token.NULL:
case JsonToken.Token.BOOLEAN:
case JsonToken.Token.NUMBER:
if (lookahead != null &&
(lookahead.token == JsonToken.Token.COMMA ||
lookahead.token == JsonToken.Token.CLOSE_OBJECT))
{
makeKeyValue(current, lookahead);
}
else
{
stack.Push(current);
}
break;
case JsonToken.Token.STRING:
current.data = current.data.Substring(1, current.data.Length - 2);
if (lookahead != null &&
(lookahead.token == JsonToken.Token.COMMA ||
lookahead.token == JsonToken.Token.CLOSE_OBJECT))
{
makeKeyValue(current, lookahead);
}
else
{
stack.Push(current);
}
break;
case JsonToken.Token.SEPRATION_KEY_VALUE:
stack.Push(current);
break;
}
}
