public void ParseChunk(IResultChunk chunk)
{
SFReusableChunk rc = (SFReusableChunk)chunk;
// parse results row by row
using (StreamReader sr = new StreamReader(stream))
using (JsonTextReader jr = new JsonTextReader(sr))
{
while (jr.Read())
{
switch (jr.TokenType)
{
case JsonToken.StartArray:
case JsonToken.None:
case JsonToken.EndArray:
break;
case JsonToken.Null:
rc.AddCell(null);
break;
case JsonToken.String:
rc.AddCell((string)jr.Value);
break;
default:
throw new SnowflakeDbException(SFError.INTERNAL_ERROR, $"Unexpected token type: {jr.TokenType}");
}
}
}
}
public void ParseChunk(IResultChunk chunk)
{
SFReusableChunk rc = (SFReusableChunk)chunk;
bool inString = false;
int c;
var input = new FastStreamWrapper(stream);
var ms = new FastMemoryStream();
while ((c = input.ReadByte()) >= 0)
{
if (!inString)
{
// n means null
// " quote means begin string
// all else are ignored
if (c == '"')
{
inString = true;
}
else if (c == 'n')
{
rc.AddCell(null, 0);
}
// ignore anything else
}
else
{
// Inside a string, look for end string
// Anything else is saved in the buffer
if (c == '"')
{
rc.AddCell(ms.GetBuffer(), ms.Length);
ms.Clear();
inString = false;
}
else if (c == '\\')
{
// Process next character
c = input.ReadByte();
switch (c)
{
case 'n':
c = '\n';
break;
case 'r':
c = '\r';
break;
case 'b':
c = '\b';
break;
case 't':
c = '\t';
break;
case -1:
throw new SnowflakeDbException(SFError.INTERNAL_ERROR, $"Unexpected end of stream in escape sequence");
}
ms.WriteByte((byte)c);
}
else
{
ms.WriteByte((byte)c);
}
}
}
if (inString)
{
throw new SnowflakeDbException(SFError.INTERNAL_ERROR, $"Unexpected end of stream in string");
}
}
