public static string ToString(DateTime value)
{
return(string.Format(CultureInfo.InvariantCulture, "/Date({0})/", DateTimeExtensions.ToUnixTimeMilliseconds(value)));
}
DateTimeOffset ICustomTypeSerializer <DateTimeOffset> .Read(JsonReader reader, char firstChar, out char?overChar, IStaticSerializerProvider staticSerializerProvider)
{
var offset = reader.ReadLong(firstChar, out overChar);
return(DateTimeExtensions.FromUnixTimeSeconds(offset, TimeSpan.Zero));
}
private static bool TryParse(string value, out DateTimeOffset result)
{
//avoid nullRefenceException
value = (value ?? string.Empty).Trim();
if (!value.StartsWith(_prefix, StringComparison.OrdinalIgnoreCase))
{
result = default(DateTimeOffset);
return(false);
}
long time;
// LastIndexOf is faster than index of when searching for a char that is more likely to be at the end of string.
var offsetIndex = value.LastIndexOf('+', value.Length - 1);
if (offsetIndex != -1)
{
// Read positive offset value
int hours, minutes;
if (TryParse(value, out time, offsetIndex, out hours, out minutes))
{
result = DateTimeExtensions.FromUnixTimeMilliseconds(time, new TimeSpan(hours: hours, minutes: minutes, seconds: 0));
return(true);
}
else
{
result = default(DateTimeOffset);
return(false);
}
}
// LastIndexOf is faster than index of when searching for a char that is more likely to be at the end of string.
offsetIndex = value.LastIndexOf('-', value.Length - 1);
if (offsetIndex != -1)
{
// Read negative offset value
int hours, minutes;
if (TryParse(value, out time, offsetIndex, out hours, out minutes))
{
result = DateTimeExtensions.FromUnixTimeMilliseconds(time, new TimeSpan(hours: -hours, minutes: -minutes, seconds: 0));
return(true);
}
else
{
result = default(DateTimeOffset);
return(false);
}
}
// No offset
if (TryParse(value, out time))
{
result = DateTimeExtensions.FromUnixTimeMilliseconds(time, TimeSpan.Zero);
return(true);
}
else
{
result = default(DateTimeOffset);
return(false);
}
}