public DateTimeOffset Deserialize(ref 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;
// YYYY
if (len == 4)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTimeOffset(y, 1, 1, 0, 0, 0, TimeSpan.Zero));
}
// YYYY-MM
if (len == 7)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTimeOffset(y, m, 1, 0, 0, 0, TimeSpan.Zero));
}
// YYYY-MM-DD
if (len == 10)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var d = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTimeOffset(y, m, d, 0, 0, 0, TimeSpan.Zero));
}
// range-first section requires 19
if (array.Length < 19)
{
goto ERROR;
}
var year = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var month = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var day = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'T')
{
goto ERROR;
}
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:
if (i < to && array[i] == '-' || array[i] == '+')
{
if (!(i + 5 < to))
{
goto ERROR;
}
var minus = array[i++] == '-';
var h = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
i++;
var m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
var offset = new TimeSpan(h, m, 0);
if (minus)
{
offset = offset.Negate();
}
return(new DateTimeOffset(year, month, day, hour, minute, second, offset).AddTicks(ticks));
}
return(new DateTimeOffset(year, month, day, hour, minute, second, TimeSpan.Zero).AddTicks(ticks));
ERROR:
throw new InvalidOperationException("invalid datetime format. value:" + StringEncoding.UTF8.GetString(str.Array, str.Offset, str.Count));
}
public TimeSpan Deserialize(ref 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 JsonReader(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));
}
public TimeSpan Deserialize(ref JsonReader reader, IJsonFormatterResolver formatterResolver)
{
var str = reader.ReadStringSegmentUnsafe();
var array = str.Array;
var i = str.Offset;
var len = str.Count;
var to = str.Offset + len;
// check day exists
var hasDay = false;
{
var foundDot = false;
var foundColon = false;
for (var j = i; j < to; 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)
{
const int maxDayLength = 8 + 1; // {Day}.
var dayCharacters = new byte[maxDayLength];
for (; array[i] != '.'; i++)
{
dayCharacters[day++] = array[i];
}
day = new JsonReader(dayCharacters).ReadInt32();
i++; // skip '.'
}
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');
var 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 TimeSpan format. value:" + StringEncoding.UTF8.GetString(str.Array, str.Offset, str.Count));
}
public DateTime Deserialize(ref 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;
// YYYY
if (len == 4)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTime(y, 1, 1));
}
// YYYY-MM
if (len == 7)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTime(y, m, 1));
}
// YYYY-MM-DD
if (len == 10)
{
var y = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var d = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
return(new DateTime(y, m, d));
}
// range-first section requires 19
if (len < 19)
{
goto ERROR;
}
var year = (array[i++] - (byte)'0') * 1000 + (array[i++] - (byte)'0') * 100 + (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var month = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'-')
{
goto ERROR;
}
var day = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
if (array[i++] != (byte)'T')
{
goto ERROR;
}
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');
var 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:
var kind = DateTimeKind.Unspecified;
if (i < to && array[i] == 'Z')
{
kind = DateTimeKind.Utc;
}
else if (i < to && array[i] == '-' || array[i] == '+')
{
var offLen = to - i;
if (offLen != 3 && offLen != 5 && offLen != 6)
{
goto ERROR;
}
var minus = array[i++] == '-';
var h = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
var m = 0;
if (i < to)
{
if (offLen == 6)
{
if (array[i] != ':')
{
goto ERROR;
}
i++;
}
m = (array[i++] - (byte)'0') * 10 + (array[i++] - (byte)'0');
}
var offset = new TimeSpan(h, m, 0);
if (minus)
{
offset = offset.Negate();
}
return(new DateTime(year, month, day, hour, minute, second, DateTimeKind.Utc).AddTicks(ticks).Subtract(offset).ToLocalTime());
}
return(new DateTime(year, month, day, hour, minute, second, kind).AddTicks(ticks));
ERROR:
throw new InvalidOperationException("invalid datetime format. value:" + StringEncoding.UTF8.GetString(str.Array, str.Offset, str.Count));
}
void ReadStringSegmentCore(out byte[] resultBytes, out int resultOffset, out int resultLength)
{
// SkipWhiteSpace is already called from IsNull
byte[] builder = null;
var builderOffset = 0;
char[] codePointStringBuffer = null;
var codePointStringOffet = 0;
var isNumberAsString = false;
if (NumberConverter.IsNumber(bytes[offset]) ||
(bytes[offset] == '-' && NumberConverter.IsNumber(bytes[offset + 1])))
{
isNumberAsString = true;
}
if (!isNumberAsString)
{
if (bytes[offset] != '\"')
{
throw CreateParsingException("String Begin Token");
}
offset++;
}
var from = offset;
// eliminate array-bound check
for (int i = offset; i < bytes.Length; i++)
{
byte escapeCharacter = 0;
switch (bytes[i])
{
case (byte)'\\': // escape character
switch ((char)bytes[i + 1])
{
case '"':
case '\\':
case '/':
escapeCharacter = bytes[i + 1];
goto COPY;
case 'b':
escapeCharacter = (byte)'\b';
goto COPY;
case 'f':
escapeCharacter = (byte)'\f';
goto COPY;
case 'n':
escapeCharacter = (byte)'\n';
goto COPY;
case 'r':
escapeCharacter = (byte)'\r';
goto COPY;
case 't':
escapeCharacter = (byte)'\t';
goto COPY;
case 'u':
if (codePointStringBuffer == null)
{
codePointStringBuffer = StringBuilderCache.GetCodePointStringBuffer();
}
if (codePointStringOffet == 0)
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
var copyCount = i - from;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1); // require + 1
Buffer.BlockCopy(bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
}
if (codePointStringBuffer.Length == codePointStringOffet)
{
Array.Resize(ref codePointStringBuffer, codePointStringBuffer.Length * 2);
}
var a = (char)bytes[i + 2];
var b = (char)bytes[i + 3];
var c = (char)bytes[i + 4];
var d = (char)bytes[i + 5];
var codepoint = GetCodePoint(a, b, c, d);
codePointStringBuffer[codePointStringOffet++] = (char)codepoint;
i += 5;
offset += 6;
from = offset;
continue;
default:
throw CreateParsingExceptionMessage("Bad JSON escape.");
}
case (byte)'"': // endtoken
offset++;
goto END;
default: // string
if (codePointStringOffet != 0)
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
offset++;
if (isNumberAsString && !NumberConverter.IsNumber(bytes[i]) && bytes[i] != '.')
{
offset--;
goto END;
}
continue;
}
COPY:
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
if (codePointStringOffet != 0)
{
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
var copyCount = i - from;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1); // require + 1!
Buffer.BlockCopy(bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
builder[builderOffset++] = escapeCharacter;
i += 1;
offset += 2;
from = offset;
}
}
resultLength = 0;
resultBytes = null;
resultOffset = 0;
throw CreateParsingException("String End Token");
END:
if (builderOffset == 0 && codePointStringOffet == 0) // no escape
{
resultBytes = bytes;
resultOffset = from;
if (isNumberAsString)
{
resultLength = offset - from;
}
else
{
resultLength = offset - 1 - from; // skip last quote
}
}
else
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
if (codePointStringOffet != 0)
{
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
var copyCount = offset - from - 1;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount);
Buffer.BlockCopy(bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
resultBytes = builder;
resultOffset = 0;
resultLength = builderOffset;
}
}