private JsonToken PeekAndGetToken(JsonTokenizer tokenizer, JsonTokenBuffer tokenTailBuffer, ObjectTailBuffer nodeTailBuffer)
{
JsonToken s = tokenizer.Peek();
if (s == null)
{
throw new UnknownParserException("Failed to get the next json token. " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
return(s);
}
private JsonToken PeekAndGetToken(JsonTokenizer tokenizer)
{
JsonToken s = tokenizer.Peek();
if (s.IsInvalid)
{
throw new UnknownParserException("Failed to get the Next json token.", GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
return(s);
}
private TokenType PeekAndGetType(JsonTokenizer tokenizer, JsonTokenBuffer tokenTailBuffer, ObjectTailBuffer nodeTailBuffer)
{
JsonToken s = tokenizer.Peek();
if (s.IsInvalid)
{
throw new UnknownParserException("Failed to get the Next json token. " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
var type = s.Type;
return(type);
}
private TokenType PeekAndGetType(JsonTokenizer tokenizer)
{
JsonToken s = tokenizer.Peek();
if (s.IsInvalid)
{
throw new UnknownParserException("Failed to get the Next json token.", GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
var type = s.Type;
return(type);
}
private async Task <object> ProduceJsonArrayElementAsync(JsonTokenizer tokenizer, int depth, JsonTokenBuffer tokenTailBuffer, ObjectTailBuffer nodeTailBuffer)
{
object element = null;
var type = PeekAndGetType(tokenizer, tokenTailBuffer, nodeTailBuffer);
switch (type)
{
case TokenType.NULL:
element = ProduceJsonNull(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.BOOLEAN:
element = ProduceJsonBoolean(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.NUMBER:
element = ProduceJsonNumber(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.STRING:
element = ProduceJsonString(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.LCURLY:
element = await ProduceJsonObjectAsync(tokenizer, depth - 1, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.LSQUARE:
element = await ProduceJsonArrayAsync(tokenizer, depth - 1, tokenTailBuffer, nodeTailBuffer);
break;
default:
// ???
throw new InvalidJsonTokenException("Json array element not recognized: token = " + tokenizer.Peek() + "; " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
//if (log.IsLoggable(Level.FINER)) {
// log.finer("element = " + element);
//}
return(element);
}
private async Task <MapEntry <string, object> > ProduceJsonObjectMemberAsync(JsonTokenizer tokenizer, int depth, JsonTokenBuffer tokenTailBuffer, ObjectTailBuffer nodeTailBuffer)
{
JsonToken keyToken = NextAndGetToken(tokenizer, tokenTailBuffer, nodeTailBuffer);
if (TracingEnabled)
{
tokenTailBuffer.Push(keyToken);
}
var keyType = keyToken.Type;
if (keyType != TokenType.STRING)
{
throw new InvalidJsonTokenException("JSON Object member should start with a string key. keyType = " + keyType + "; " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
string key = (string)keyToken.Value;
JsonToken colonToken = NextAndGetToken(tokenizer, tokenTailBuffer, nodeTailBuffer); // "consume" :.
if (TracingEnabled)
{
tokenTailBuffer.Push(colonToken);
}
var colonType = colonToken.Type;
if (colonType != TokenType.COLON)
{
throw new InvalidJsonTokenException("JSON Object member should include a colon (:). " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
object value = null;
var type = PeekAndGetType(tokenizer, tokenTailBuffer, nodeTailBuffer);
switch (type)
{
case TokenType.NULL:
value = ProduceJsonNull(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.BOOLEAN:
value = ProduceJsonBoolean(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.NUMBER:
value = ProduceJsonNumber(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.STRING:
value = ProduceJsonString(tokenizer, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.LCURLY:
value = await ProduceJsonObjectAsync(tokenizer, depth - 1, tokenTailBuffer, nodeTailBuffer);
break;
case TokenType.LSQUARE:
value = await ProduceJsonArrayAsync(tokenizer, depth - 1, tokenTailBuffer, nodeTailBuffer);
break;
default:
// ???
throw new InvalidJsonTokenException("Json array element not recognized: token = " + tokenizer.Peek() + "; " + tokenTailBuffer.ToTraceString(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
// TBD: Use type factory ???
MapEntry <string, object> member = new MapEntry <string, object>(key, value);
//if (log.IsLoggable(Level.FINER)) {
// log.finer("member = " + member);
//}
return(member);
}
private JsonNode ProduceJsonArrayElement(JsonTokenizer tokenizer)
{
JsonNode element = null;
var type = PeekAndGetType(tokenizer);
switch (type)
{
case TokenType.NULL:
element = ProduceJsonNull(tokenizer);
break;
case TokenType.BOOLEAN:
element = ProduceJsonBoolean(tokenizer);
break;
case TokenType.NUMBER:
element = ProduceJsonNumber(tokenizer);
break;
case TokenType.STRING:
element = ProduceJsonString(tokenizer);
break;
case TokenType.LCURLY:
element = ProduceJsonObject(tokenizer);
break;
case TokenType.LSQUARE:
element = ProduceJsonArray(tokenizer);
break;
default:
// ???
throw new InvalidJsonTokenException("Json array element not recognized: token = " + tokenizer.Peek(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
//if (log.isLoggable(Level.FINER)) {
// log.finer("element = " + element);
//}
return(element);
}
private JsonObjectMember ProduceJsonObjectMember(JsonTokenizer tokenizer)
{
JsonToken keyToken = NextAndGetToken(tokenizer);
var keyType = keyToken.Type;
if (keyType != TokenType.STRING)
{
throw new InvalidJsonTokenException("JSON Object member should start with a string key.", GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
string key = (string)keyToken.Value;
JsonToken colonToken = NextAndGetToken(tokenizer); // "consume" :.
var colonType = colonToken.Type;
if (colonType != TokenType.COLON)
{
throw new InvalidJsonTokenException("JSON Object member should include a colon (:).", GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
JsonNode value = null;
var type = PeekAndGetType(tokenizer);
switch (type)
{
case TokenType.NULL:
value = ProduceJsonNull(tokenizer);
break;
case TokenType.BOOLEAN:
value = ProduceJsonBoolean(tokenizer);
break;
case TokenType.NUMBER:
value = ProduceJsonNumber(tokenizer);
break;
case TokenType.STRING:
value = ProduceJsonString(tokenizer);
break;
case TokenType.LCURLY:
value = ProduceJsonObject(tokenizer);
break;
case TokenType.LSQUARE:
value = ProduceJsonArray(tokenizer);
break;
default:
// ???
throw new InvalidJsonTokenException("Json array element not recognized: token = " + tokenizer.Peek(), GetTailCharStream(tokenizer), PeekCharStream(tokenizer));
}
// TBD: Use type factory ???
JsonObjectMember member = new AbstractJsonObjectMember(key, value);
//if (log.isLoggable(Level.FINER)) {
// log.finer("member = " + member);
//}
return(member);
}
