/// <summary>
/// Attempts to parse the given <see cref="string"/> into a
/// quantity of bytes.
/// </summary>
/// <param name="str">
/// The <see cref="string"/> to parse.
/// </param>
/// <param name="bytes">
/// The quantity of bytes parsed.
/// </param>
/// <param name="units">
/// The units of the bytes parsed.
/// </param>
/// <param name="precision">
/// The precision of the parsing.
/// </param>
/// <returns>
/// <c>true</c> if <paramref name="str"/> was able to be parsed;
/// <c>false</c> otherwise.
/// </returns>
public static bool TryParse(string str, out ulong bytes, out BytesUnits units, out int precision)
{
if (string.IsNullOrWhiteSpace(str))
{
bytes = 0;
precision = 0;
units = BytesUnits.Bytes;
return(false);
}
str = str.Trim();
string numberText;
BytesConverterUtils.SplitNumberAndUnits(str, BytesUnits.Bytes, out numberText, out units);
decimal number;
if (!decimal.TryParse(numberText, out number))
{
bytes = 0;
precision = 0;
units = BytesUnits.Bytes;
return(false);
}
precision = DecimalUtils.GetPrecision(number);
decimal tempBytes = BytesConverterUtils.ConvertToBytes(number, units);
bool roundResult = DecimalUtils.TryRoundToUInt64(tempBytes, MidpointRounding.AwayFromZero, out bytes);
return(roundResult);
}
/// <summary>
/// Parses the string as a timestamp which may include a specification for the units of time.
/// </summary>
/// <param name="s">
/// The string to parse.
/// </param>
/// <param name="defaultUnits">
/// The units to assume if none are specified in the string.
/// </param>
/// <param name="resultNS">
/// The parsed timestamp, in units of nanoseconds.
/// </param>
/// <param name="parsedUnits">
/// The units that were parsed from the string, or defaultUnits if none were found.
/// </param>
/// <returns>
/// <c>true</c> if the string was parsed successfully; <c>false</c> otherwise.
/// </returns>
public static bool TryParse(string s, TimeUnit defaultUnits, out long resultNS, out TimeUnit parsedUnits)
{
if (s == null)
{
throw new ArgumentNullException("s");
}
if (string.IsNullOrWhiteSpace(s))
{
resultNS = 0;
parsedUnits = TimeUnit.Nanoseconds;
return(false);
}
s = s.Trim();
string numberText;
TimeUnit units;
SplitNumberAndUnits(s, defaultUnits, out numberText, out units);
parsedUnits = units;
decimal number;
if (!decimal.TryParse(numberText, out number))
{
resultNS = 0;
parsedUnits = TimeUnit.Nanoseconds;
return(false);
}
decimal nanoseconds = DecimalUtils.ConvertToNanoseconds(number, units);
bool roundResult = DecimalUtils.TryRoundToInt64(nanoseconds, MidpointRounding.AwayFromZero, out resultNS);
return(roundResult);
}
