public ArraySegment <byte> ReadNumberSegment()
{
SkipWhiteSpace();
var initialOffset = _offset;
for (var i = _offset; i < _bytes.Length; i++)
{
if (!NumberConverter.IsNumberRepresentation(_bytes[i]))
{
if (NumberConverter.IsENotation(_bytes[i]) && (i + 1) < _bytes.Length && NumberConverter.IsNumberRepresentation(_bytes[i + 1]))
{
i++;
continue;
}
_offset = i;
goto END;
}
}
_offset = _bytes.Length;
END:
return(new ArraySegment <byte>(_bytes, initialOffset, _offset - initialOffset));
}
public object Deserialize(ref JsonReader reader, IJsonFormatterResolver formatterResolver)
{
var token = reader.GetCurrentJsonToken();
switch (token)
{
case JsonToken.BeginObject:
{
var dict = new Dictionary <string, object>();
reader.ReadIsBeginObjectWithVerify();
var count = 0;
while (!reader.ReadIsEndObjectWithSkipValueSeparator(ref count))
{
var key = reader.ReadPropertyName();
var value = Deserialize(ref reader, formatterResolver);
dict.Add(key, value);
}
return(dict);
}
case JsonToken.BeginArray:
{
var list = new List <object>(4);
reader.ReadIsBeginArrayWithVerify();
var count = 0;
while (!reader.ReadIsEndArrayWithSkipValueSeparator(ref count))
{
list.Add(Deserialize(ref reader, formatterResolver));
}
return(list);
}
case JsonToken.Number:
var numberSegment = reader.ReadNumberSegment();
// conditional operator here would cast both to double, so don't use.
// Check for IsLong first, avoid floating point rounding
if (numberSegment.IsLong())
{
return(NumberConverter.ReadInt64(numberSegment.Array, numberSegment.Offset, out _));
}
return(NumberConverter.ReadDouble(numberSegment.Array, numberSegment.Offset, out _));
case JsonToken.String:
return(reader.ReadString());
case JsonToken.True:
return(reader.ReadBoolean()); // require advance
case JsonToken.False:
return(reader.ReadBoolean()); // require advance
case JsonToken.ValueSeparator:
case JsonToken.NameSeparator:
case JsonToken.EndArray:
case JsonToken.EndObject:
throw new InvalidOperationException("Invalid Json Token:" + token);
case JsonToken.Null:
reader.ReadIsNull();
return(null);
case JsonToken.None:
default:
return(null);
}
}
