public static void DeserializeNullableCollection <T>(BufferedTextReader sr, int nextToken, Func <int, T> factory, ICollection <T> res)
where T : class
{
if (nextToken == 'n')
{
if (sr.Read() == 'u' && sr.Read() == 'l' && sr.Read() == 'l')
{
res.Add(null);
}
else
{
throw new SerializationException("Invalid value found at position " + PositionInStream(sr) + " for string value. Expecting '\"' or null");
}
}
else
{
res.Add(factory(nextToken));
}
while ((nextToken = GetNextToken(sr)) == ',')
{
nextToken = GetNextToken(sr);
if (nextToken == 'n')
{
if (sr.Read() == 'u' && sr.Read() == 'l' && sr.Read() == 'l')
{
res.Add(null);
}
else
{
throw new SerializationException("Invalid value found at position " + PositionInStream(sr) + " for string value. Expecting '\"' or null");
}
}
else
{
res.Add(factory(nextToken));
}
}
if (nextToken != ']')
{
if (nextToken == -1)
{
throw new SerializationException("Unexpected end of json in collection.");
}
else
{
throw new SerializationException("Expecting ']' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
}
}
private static int Memorize(BufferedTextReader sr, int nextToken, TextWriter sw)
{
if (nextToken == '"')
{
return(MemoizeSkipString(sr, sw));
}
else if (nextToken == '{')
{
nextToken = MemoizeGetNextToken(sr, sw);
if (nextToken == '}')
{
return(MemoizeGetNextToken(sr, sw));
}
if (nextToken == '"')
{
nextToken = MemoizeSkipString(sr, sw);
}
else
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
if (nextToken != ':')
{
throw new SerializationException("Expecting ':' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
nextToken = MemoizeGetNextToken(sr, sw);
nextToken = Memorize(sr, nextToken, sw);
while (nextToken == ',')
{
nextToken = MemoizeGetNextToken(sr, sw);
if (nextToken == '"')
{
nextToken = MemoizeSkipString(sr, sw);
}
else
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
if (nextToken != ':')
{
throw new SerializationException("Expecting ':' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
nextToken = MemoizeGetNextToken(sr, sw);
nextToken = Memorize(sr, nextToken, sw);
}
if (nextToken != '}')
{
throw new SerializationException("Expecting '}' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
return(MemoizeGetNextToken(sr, sw));
}
else if (nextToken == '[')
{
nextToken = MemoizeGetNextToken(sr, sw);
nextToken = Memorize(sr, nextToken, sw);
while (nextToken == ',')
{
nextToken = MemoizeGetNextToken(sr, sw);
nextToken = Memorize(sr, nextToken, sw);
}
if (nextToken != ']')
{
throw new SerializationException("Expecting ']' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
return(MemoizeGetNextToken(sr, sw));
}
else
{
while (nextToken != ',' && nextToken != '}' && nextToken != ']' && nextToken != -1)
{
nextToken = sr.Read();
sw.Write((char)nextToken);
}
return(MoveToNextToken(sr, nextToken));
}
}
