public static bool TryParse(string s, IFormatProvider provider, out Measure value, UnitOfMeasure defaultUnit = null)
{
value = Measure.Empty;
//var numberFormat = NumberFormatInfo.GetInstance(provider);
if (NumberHelper.SmartTryParse(s, provider, out double decimalValue))
{
value = new Measure(decimalValue, null);
}
else if (SimpleMeasurePattern.IsMatch(s))
{
var matchResult = SimpleMeasurePattern.Match(s);
var numberStr = matchResult.Groups[1].Value;
var unit = defaultUnit;
if (matchResult.Groups[2].Success)
{
unit = UnitOfMeasure.GetUnitByName(matchResult.Groups[2].Value.Trim());
if (unit == null)
{
return(false);
}
}
if (NumberHelper.SmartTryParse(numberStr, provider, out double measureValue))
{
value = new Measure(measureValue, unit);
}
}
else if (InchFractionPattern.IsMatch(s))
{
var matchResult = InchFractionPattern.Match(s);
var whole = matchResult.Groups[1].Success ? int.Parse(matchResult.Groups[1].Value) : 0;
var n1 = double.Parse(matchResult.Groups[2].Value);
var n2 = double.Parse(matchResult.Groups[3].Value);
UnitOfMeasure unit = defaultUnit ?? UnitOfMeasure.In;
if (matchResult.Groups[4].Success)
{
unit = UnitOfMeasure.GetUnitByName(matchResult.Groups[4].Value.Trim());
if (unit == null)
{
return(false);
}
}
value = new Measure(whole + (n1 / n2), unit);
}
if (!value.IsEmpty && value.Unit == null && defaultUnit != null)
{
value = new Measure(value.Value, defaultUnit);
}
return(!value.IsEmpty);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (objectType == typeof(UnitOfMeasure))
{
string unitAbv = (string)reader.Value;
return(UnitOfMeasure.GetUnitByName(unitAbv));
}
else if (objectType == typeof(Measure))
{
return(Measure.ParseInvariant((string)reader.Value));
}
throw new NotImplementedException();
}
public static Measure Parse(string s, IFormatProvider provider, UnitOfMeasure defaultUnit = null)
{
if (NumberHelper.SmartTryParse(s, provider, out double decimalValue))
{
return(new Measure(decimalValue, defaultUnit));
}
if (SimpleMeasurePattern.IsMatch(s))
{
var match = SimpleMeasurePattern.Match(s);
var numberStr = match.Groups[1].Value;
var unit = defaultUnit;
if (match.Groups[2].Success)
{
var unitName = match.Groups[2].Value.Trim();
unit = UnitOfMeasure.GetUnitByName(unitName);
if (unit == null)
{
throw new ArgumentException("#1 Invalid Unit of measure" + unitName);
}
}
if (NumberHelper.SmartTryParse(numberStr, provider, out double measureValue))
{
return(new Measure(measureValue, unit));
}
else
{
throw new ArgumentException("Invalid measure");
}
}
else if (InchFractionPattern.IsMatch(s))
{
var match = InchFractionPattern.Match(s);
var whole = match.Groups[1].Success ? int.Parse(match.Groups[1].Value) : 0;
var n1 = double.Parse(match.Groups[2].Value);
var n2 = double.Parse(match.Groups[3].Value);
UnitOfMeasure unit = defaultUnit ?? UnitOfMeasure.In;
if (match.Groups[4].Success)
{
unit = UnitOfMeasure.GetUnitByName(match.Groups[4].Value.Trim());
if (unit == null)
{
throw new ArgumentException("#2 Invalid Unit of measure" + match.Groups[4].Value);
}
}
return(new Measure(whole + (n1 / n2), unit));
}
else if (FeetFractionPattern.IsMatch(s))
{
var match = FeetFractionPattern.Match(s);
var wholeFeet = int.Parse(match.Groups[1].Value);
var wholeInch = match.Groups[3].Success ? int.Parse(match.Groups[3].Value) : 0;
var n1 = double.Parse(match.Groups[4].Value);
var n2 = double.Parse(match.Groups[5].Value);
return(new Measure(wholeFeet, UnitOfMeasure.Ft) + Measure.Inches(wholeInch + (n1 / n2)));
}
else if (s.ToUpper().Trim() == "N/A")
{
return(Measure.Empty);
}
throw new InvalidOperationException();
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
var measureStr = (string)value;
if (!string.IsNullOrWhiteSpace(measureStr))
{
if (ParseSimpleReg.IsMatch(measureStr))
{
var match = ParseSimpleReg.Match(measureStr);
var numberStr = match.Groups[1].Value;
var unitName = match.Groups[2].Value;
var unit = UnitOfMeasure.GetUnitByName(unitName);
if (unit == null)
{
throw new ArgumentException("#1 Invalid Unit of measure" + unitName);
}
if (numberStr.Contains(".") || numberStr.Contains(","))
{
var cleanStr = (Func <string, string>)((str) =>
{
return(str.Replace(",", string.Empty).Replace(".", string.Empty).Replace(" ", string.Empty));
});
int idx = numberStr.LastIndexOfAny(new char[] { '.', ',' });
var left = cleanStr(numberStr.Substring(0, idx));
var right = cleanStr(numberStr.Substring(idx));
numberStr = left + NumberFormatInfo.CurrentInfo.NumberDecimalSeparator + right;
}
double measureValue = 0;
if (double.TryParse(numberStr, out measureValue))
{
return(new Measure(measureValue, unit));
}
else
{
throw new ArgumentException("Invalid measure");
}
}
else if (ParseFractionReg.IsMatch(measureStr))
{
var match = ParseFractionReg.Match(measureStr);
var whole = match.Groups[1].Success ? int.Parse(match.Groups[1].Value) : 0;
var n1 = double.Parse(match.Groups[2].Value);
var n2 = double.Parse(match.Groups[3].Value);
var unit = UnitOfMeasure.GetUnitByName(match.Groups[4].Value.Trim());
if (unit == null)
{
throw new ArgumentException("#2 Invalid Unit of measure" + match.Groups[4].Value);
}
return(new Measure(whole + (n1 / n2), unit));
}
else if (measureStr.ToUpper().Trim() == "N/A")
{
return(Measure.Empty);
}
else
{
double cm = 0;
if (double.TryParse(measureStr, out cm))
{
return(Measure.FromNormalizedValue(cm, null));
}
}
}
}
return(base.ConvertFrom(context, culture, value));
}
