private static decimal ParseDecimal(BufferedTextReader reader, ref int cur, char matchEnd)
{
var neg = cur == '-';
if (neg)
cur = reader.Read();
var buf = reader.SmallBuffer;
buf[0] = (char)cur;
var size = reader.ReadUntil(buf, 1, ',', matchEnd) + 1;
cur = reader.Read();
if (cur >= '0' && cur <= '9' || cur == '.')
throw new FrameworkException("Too long decimal number: " + new string(buf, 0, size));
if (size > 18)
{
if (neg)
return -decimal.Parse(new string(buf, 0, size), Invariant);
return decimal.Parse(new string(buf, 0, size), Invariant);
}
long value = 0;
int scale = 0;
char ch;
for (int i = 0; i < size && i < buf.Length; i++)
{
ch = buf[i];
if (ch == '.')
scale = size - i - 1;
else
value = (value << 3) + (value << 1) + ch - 48;
}
return new decimal((int)value, (int)(value >> 32), 0, neg, (byte)scale);
}
public static byte[] Deserialize(BufferedTextReader sr, int nextToken)
{
if (nextToken != '"')
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
nextToken = sr.Read();
if (nextToken == '"')
{
return(EmptyBytes);
}
var base64 = sr.LargeTempBuffer;
var res = new List <byte[]>();
int total = 0;
int i = 1;
base64[0] = (char)nextToken;
int len;
while ((len = sr.ReadUntil(base64, i, '"')) > 0)
{
i += len;
if (i == base64.Length)
{
var bytes = Convert.FromBase64CharArray(base64, 0, base64.Length);
res.Add(bytes);
i = 0;
total += bytes.Length;
}
}
nextToken = sr.Read();
if (i > 0)
{
var bytes = Convert.FromBase64CharArray(base64, 0, i);
res.Add(bytes);
total += bytes.Length;
}
if (nextToken != '"')
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found end of stream.");
}
var result = new byte[total];
var cur = 0;
for (i = 0; i < res.Count; i++)
{
var item = res[i];
Array.Copy(item, 0, result, cur, item.Length);
cur += item.Length;
}
return(result);
}
private static decimal ParseDecimal(BufferedTextReader reader, ref int cur, char matchEnd)
{
var neg = cur == '-';
if (neg)
{
cur = reader.Read();
}
var buf = reader.SmallBuffer;
buf[0] = (char)cur;
var size = reader.ReadUntil(buf, 1, ',', matchEnd) + 1;
cur = reader.Read();
if (cur >= '0' && cur <= '9' || cur == '.')
{
throw new FrameworkException("Too long decimal number: " + new string(buf, 0, size));
}
if (size > 18)
{
if (neg)
{
return(-decimal.Parse(new string(buf, 0, size), Invariant));
}
return(decimal.Parse(new string(buf, 0, size), Invariant));
}
long value = 0;
int scale = 0;
char ch;
for (int i = 0; i < size && i < buf.Length; i++)
{
ch = buf[i];
if (ch == '.')
{
scale = size - i - 1;
}
else
{
value = (value << 3) + (value << 1) + ch - 48;
}
}
return(new decimal((int)value, (int)(value >> 32), 0, neg, (byte)scale));
}
public static Stream DeserializeStream(BufferedTextReader sr, int nextToken)
{
if (nextToken != '"')
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
}
nextToken = sr.Read();
if (nextToken == '"')
{
return(new MemoryStream());
}
//TODO: lazy init stream (more lightweight!?)
var res = new ChunkedMemoryStream();
var base64 = sr.LargeTempBuffer;
int i = 1;
base64[0] = (char)nextToken;
int len;
while ((len = sr.ReadUntil(base64, i, '"')) > 0)
{
i += len;
if (i == base64.Length)
{
var bytes = Convert.FromBase64CharArray(base64, 0, base64.Length);
res.Write(bytes, 0, bytes.Length);
i = 0;
}
}
nextToken = sr.Read();
if (i > 0)
{
var bytes = Convert.FromBase64CharArray(base64, 0, i);
res.Write(bytes, 0, bytes.Length);
}
if (nextToken != '"')
{
throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found end of stream.");
}
return(res);
}
private static DateTime ParseTimestampUtc(BufferedTextReader reader, int context)
{
var cur = reader.Read(context);
var buf = reader.SmallBuffer;
buf[0] = (char)cur;
var len = reader.ReadUntil(buf, 1, '\\', '"') + 1;
reader.Read(context);
if (buf[10] != ' ')
return DateTime.Parse(new string(buf, 0, len), CultureInfo.InvariantCulture);
var year = NumberConverter.Read4(buf, 0);
var month = NumberConverter.Read2(buf, 5);
var date = NumberConverter.Read2(buf, 8);
var hour = NumberConverter.Read2(buf, 11);
var minutes = NumberConverter.Read2(buf, 14);
var seconds = NumberConverter.Read2(buf, 17);
if (buf[19] == '.')
{
long nano = 0;
var max = len - 3;
for (int i = 20, r = 0; i < max && r < TimestampReminder.Length && i < buf.Length; i++, r++)
nano += TimestampReminder[r] * (buf[i] - 48);
var pos = buf[len - 3] == '+';
var offset = NumberConverter.Read2(buf, len - 2);
var dt = offset != 0
? new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc).AddHours(pos ? -offset : offset)
: new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc);
return new DateTime(dt.Ticks + nano, DateTimeKind.Utc);
}
else
{
var pos = buf[len - 3] == '+';
var offset = NumberConverter.Read2(buf, len - 2);
if (offset != 0)
return new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc).AddHours(pos ? -offset : offset);
return new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc);
}
}
private static DateTime ParseTimestampUtc(BufferedTextReader reader, int context)
{
var cur = reader.Read(context);
var buf = reader.SmallBuffer;
buf[0] = (char)cur;
var len = reader.ReadUntil(buf, 1, '\\', '"') + 1;
reader.Read(context);
if (buf[10] != ' ')
{
return(DateTime.Parse(new string(buf, 0, len), CultureInfo.InvariantCulture));
}
var year = NumberConverter.Read4(buf, 0);
var month = NumberConverter.Read2(buf, 5);
var date = NumberConverter.Read2(buf, 8);
var hour = NumberConverter.Read2(buf, 11);
var minutes = NumberConverter.Read2(buf, 14);
var seconds = NumberConverter.Read2(buf, 17);
if (buf[19] == '.')
{
long nano = 0;
var max = len - 3;
for (int i = 20, r = 0; i < max && r < TimestampReminder.Length && i < buf.Length; i++, r++)
{
nano += TimestampReminder[r] * (buf[i] - 48);
}
var pos = buf[len - 3] == '+';
var offset = NumberConverter.Read2(buf, len - 2);
var dt = offset != 0
? new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc).AddHours(pos ? -offset : offset)
: new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc);
return(new DateTime(dt.Ticks + nano, DateTimeKind.Utc));
}
else if (len == 20 && buf[19] == 'Z')
{
return(new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc));
}
else if (len == 22)
{
var pos = buf[19] == '+';
var offset = NumberConverter.Read2(buf, 20);
if (offset != 0)
{
return(new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc).AddHours(pos ? -offset : offset));
}
return(new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc));
}
else if (len == 25)
{
var pos = buf[19] == '+';
var offsetHour = NumberConverter.Read2(buf, 20);
var offsetMin = NumberConverter.Read2(buf, 23);
return(new DateTime(year, month, date, hour, minutes, seconds, DateTimeKind.Utc)
.AddHours(pos ? -offsetHour : offsetHour)
.AddMinutes(pos ? -offsetMin : offsetMin));
}
else
{
buf[10] = 'T';
return(DateTime.Parse(new string(buf, 0, len)));
}
}
public static byte[] Deserialize(BufferedTextReader sr, int nextToken)
{
if (nextToken != '"') throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
nextToken = sr.Read();
if (nextToken == '"') return EmptyBytes;
var base64 = sr.LargeTempBuffer;
var res = new List<byte[]>();
int total = 0;
int i = 1;
base64[0] = (char)nextToken;
int len;
while ((len = sr.ReadUntil(base64, i, '"')) > 0)
{
i += len;
if (i == base64.Length)
{
var bytes = Convert.FromBase64CharArray(base64, 0, base64.Length);
res.Add(bytes);
i = 0;
total += bytes.Length;
}
}
nextToken = sr.Read();
if (i > 0)
{
var bytes = Convert.FromBase64CharArray(base64, 0, i);
res.Add(bytes);
total += bytes.Length;
}
if (nextToken != '"') throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found end of stream.");
var result = new byte[total];
var cur = 0;
for (i = 0; i < res.Count; i++)
{
var item = res[i];
Array.Copy(item, 0, result, cur, item.Length);
cur += item.Length;
}
return result;
}
public static Stream DeserializeStream(BufferedTextReader sr, int nextToken)
{
if (nextToken != '"') throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found " + (char)nextToken);
nextToken = sr.Read();
if (nextToken == '"') return new MemoryStream();
//TODO: lazy init stream (more lightweight!?)
var res = new ChunkedMemoryStream();
var base64 = sr.LargeTempBuffer;
int i = 1;
base64[0] = (char)nextToken;
int len;
while ((len = sr.ReadUntil(base64, i, '"')) > 0)
{
i += len;
if (i == base64.Length)
{
var bytes = Convert.FromBase64CharArray(base64, 0, base64.Length);
res.Write(bytes, 0, bytes.Length);
i = 0;
}
}
nextToken = sr.Read();
if (i > 0)
{
var bytes = Convert.FromBase64CharArray(base64, 0, i);
res.Write(bytes, 0, bytes.Length);
}
if (nextToken != '"') throw new SerializationException("Expecting '\"' at position " + JsonSerialization.PositionInStream(sr) + ". Found end of stream.");
return res;
}
