decimal IJsonFormatterSpecReader <decimal, JsonReaderUtf8> .DeserializeSpec(JsonReaderUtf8 reader, IJsonFormatterResolver formatterResolver)
{
var token = reader.GetCurrentJsonToken();
if (token == JsonToken.Number)
{
var number = reader.ReadNumberSegment();
return(decimal.Parse(StringEncoding.UTF8.GetString(number.Array, number.Offset, number.Count), NumberStyles.Float, CultureInfo.InvariantCulture));
}
else if (token == JsonToken.String)
{
return(decimal.Parse(reader.ReadString(), NumberStyles.Float, CultureInfo.InvariantCulture));
}
else
{
throw new InvalidOperationException("Invalid Json Token for DecimalFormatter:" + token);
}
}
DateTime IJsonFormatterSpecReader <DateTime, JsonReaderUtf8> .DeserializeSpec(JsonReaderUtf8 reader, IJsonFormatterResolver formatterResolver)
{
throw new NotImplementedException();
}
public TimeSpan Deserialize(JsonReader reader, IJsonFormatterResolver formatterResolver)
{
var str = reader.ReadStringSegmentUnsafe();
var array = str.Array;
var i = str.Offset;
var len = str.Count;
var to = str.Offset + str.Count;
// check day exists
bool hasDay = false;
{
bool foundDot = false;
bool foundColon = false;
for (int j = i; j < str.Count; j++)
{
if (array[j] == '.')
{
if (foundColon)
{
break;
}
foundDot = true;
}
else if (array[j] == ':')
{
if (foundDot)
{
hasDay = true;
}
foundColon = true;
}
}
}
// check sign
var minus = false;
if (array[i] == '-')
{
minus = true;
i++;
}
var day = 0;
if (hasDay)
{
var poolArray = BufferPool.Default.Rent();
try {
for (; array[i] != '.'; i++)
{
poolArray[day++] = array[i];
}
day = new JsonReaderUtf8(poolArray).ReadInt32();
i++; // skip '.'
} finally {
BufferPool.Default.Return(poolArray);
}
}
var hour = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)':')
{
goto ERROR;
}
var minute = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)':')
{
goto ERROR;
}
var second = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
int ticks = 0;
if (i < to && array[i] == '.')
{
i++;
// *7.
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 1000000;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 100000;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 10000;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 1000;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 100;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 10;
i++;
if (!(i < to) || !NumberConverter.IsNumber(array[i]))
{
goto END_TICKS;
}
ticks += (array[i] - (byte)'0') * 1;
i++;
// others, lack of precision
while (i < to && NumberConverter.IsNumber(array[i]))
{
i++;
}
}
END_TICKS:
// be careful to overflow
var ts = new TimeSpan(day, hour, minute, second);
var tk = TimeSpan.FromTicks(ticks);
return((minus)
? ts.Negate().Subtract(tk)
: ts.Add(tk));
ERROR:
throw new InvalidOperationException("invalid datetime format. value:" + StringEncoding.UTF8.GetString(str.Array, str.Offset, str.Count));
}
