private object _Parse(Lite.LiteJsonTokenizer tokenizer)
{
if (tokenizer == null)
{
return(null);
}
object topNode = null;
var type = PeekAndGetType(tokenizer);
if (type == TokenType.EOF || type == TokenType.LCURLY || type == TokenType.LSQUARE)
{
if (type == TokenType.EOF)
{
topNode = ProduceJsonNull(tokenizer);
}
else if (type == TokenType.LCURLY)
{
topNode = ProduceJsonObject(tokenizer);
}
else if (type == TokenType.LSQUARE)
{
topNode = ProduceJsonArray(tokenizer);
}
}
else
{
// ???
throw new DotJsonMiniException("Json string should be object or Array. Input tokenType = " + TokenTypes.GetDisplayName(type));
}
System.Diagnostics.Debug.WriteLine("topnNode = " + topNode);
return(topNode);
}
private async Task <object> _parseAsync(JsonTokenizer tokenizer, int depth, JsonTokenBuffer tokenTailBuffer, ObjectTailBuffer nodeTailBuffer)
{
object topNode = null;
var type = PeekAndGetType(tokenizer, tokenTailBuffer, nodeTailBuffer);
if (type == TokenType.EOF || type == TokenType.LCURLY || type == TokenType.LSQUARE)
{
if (type == TokenType.EOF)
{
topNode = ProduceJsonNull(tokenizer, tokenTailBuffer, nodeTailBuffer);
}
else if (type == TokenType.LCURLY)
{
topNode = await ProduceJsonObjectAsync(tokenizer, depth, tokenTailBuffer, nodeTailBuffer);
}
else if (type == TokenType.LSQUARE)
{
topNode = await ProduceJsonArrayAsync(tokenizer, depth, tokenTailBuffer, nodeTailBuffer);
}
}
else
{
// TBD:
// Process it here if parserPolicy.AllowLeadingJsonMarker == true,
// ???
if (parserPolicy.AllowNonObjectOrNonArray)
{
// This is actually error according to json.org JSON grammar.
// But, we allow partial JSON string.
switch (type)
{
case TokenType.NULL:
topNode = ProduceJsonNull(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.BOOLEAN:
topNode = ProduceJsonBoolean(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.NUMBER:
topNode = ProduceJsonNumber(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.STRING:
// log.warning(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
topNode = ProduceJsonString(tokenizer, tokenTailBuffer, nodeTailBuffer);
// log.warning(">>>>>>>>>>>>>>>>>>>>>>>>>>>>> topNode = " + topNode);
break;
default:
// ???
throw new InvalidJsonTokenException("JsonToken not recognized: tokenType = " + TokenTypes.GetDisplayName(type) + "; " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
}
else
{
// TBD
// this is a bit too lenient probably...
// there was some special char sequence which some parsers allowed, which I cannot remember..
// For now, if parserPolicy.AllowLeadingJsonMarker == true is interpreted as allowLeadingNonObjectNonArrayChars....
// --> we remove all leading chars until we reach { or [.
if (parserPolicy.AllowLeadingJsonMarker)
{
while (type != TokenType.LCURLY && type != TokenType.LSQUARE)
{
JsonToken t = tokenizer.Next(); // swallow one token.
if (TracingEnabled)
{
tokenTailBuffer.Push(t);
}
type = PeekAndGetType(tokenizer, tokenTailBuffer, nodeTailBuffer);
}
if (type == TokenType.LCURLY)
{
topNode = await ProduceJsonObjectAsync(tokenizer, depth, tokenTailBuffer, nodeTailBuffer);
}
else if (type == TokenType.LSQUARE)
{
topNode = await ProduceJsonArrayAsync(tokenizer, depth, tokenTailBuffer, nodeTailBuffer);
}
else
{
// ???
throw new InvalidJsonTokenException("Invalid input Json string. " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
}
else
{
// ???
throw new InvalidJsonTokenException("Json string should be Object or Array. Input tokenType = " + TokenTypes.GetDisplayName(type) + "; " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
}
}
//if (log.IsLoggable(Level.FINE)) {
// log.fine("topnNode = " + topNode);
//}
return(topNode);
}
