private static bool TryReadOffset(StringReference offsetText, int startIndex, out TimeSpan offset)
{
bool negative = (offsetText[startIndex] == '-');
if (ConvertUtils.Int32TryParse(offsetText.Chars, startIndex + 1, 2, out int hours) != ParseResult.Success)
{
offset = default;
return(false);
}
int minutes = 0;
if (offsetText.Length - startIndex > 5)
{
if (ConvertUtils.Int32TryParse(offsetText.Chars, startIndex + 3, 2, out minutes) != ParseResult.Success)
{
offset = default;
return(false);
}
}
offset = TimeSpan.FromHours(hours) + TimeSpan.FromMinutes(minutes);
if (negative)
{
offset = offset.Negate();
}
return(true);
}
private static bool TryReadOffset(
StringReference offsetText,
int startIndex,
out TimeSpan offset)
{
bool flag = offsetText[startIndex] == '-';
int num1;
if (ConvertUtils.Int32TryParse(offsetText.Chars, startIndex + 1, 2, out num1) != ParseResult.Success)
{
offset = new TimeSpan();
return(false);
}
int num2 = 0;
if (offsetText.Length - startIndex > 5 && ConvertUtils.Int32TryParse(offsetText.Chars, startIndex + 3, 2, out num2) != ParseResult.Success)
{
offset = new TimeSpan();
return(false);
}
offset = TimeSpan.FromHours((double)num1) + TimeSpan.FromMinutes((double)num2);
if (flag)
{
offset = offset.Negate();
}
return(true);
}
