void Init(PhysicalQuantity physicalQuantity, string name, MeasureUnit convRefUnit = null)
{
PhysicalQuantity = physicalQuantity;
if (AllMeasureUnits
.Where(r => r.PhysicalQuantity.id == physicalQuantity.id)
.Any(r => r.Name == name))
{
throw new Exception($"A registered measure unit [{name}] already exists for the physical quantity [{physicalQuantity.Name}]");
}
if (physicalQuantity.MUConversionType == MeasureUnitConversionTypeEnum.Linear &&
convRefUnit == null && physicalQuantity.LinearConversionRefMU != null)
{
throw new Exception(
$"A reference measure unit [{physicalQuantity.LinearConversionRefMU}] already exists for the physical quantity [{physicalQuantity.Name}]" +
$"Need to specify a valid existing convRefUnit with related convRefFactor to specify measure unit scale factor");
}
if (global_static_id_counter.ContainsKey(physicalQuantity.id))
{
id = ++global_static_id_counter[physicalQuantity.id];
}
else
{
global_static_id_counter.Add(physicalQuantity.id, id = 0);
}
Name = name;
PhysicalQuantity = PhysicalQuantity;
}
public static PhysicalQuantity ByName(string pq_name)
{
PhysicalQuantity pq = null;
dict_pq.TryGetValue(pq_name, out pq);
return(pq);
}
public MeasureUnit(PhysicalQuantity physicalQuantity, string name, Func <MeasureUnit, MeasureUnit, double, double> convRefFunctor)
{
Init(physicalQuantity, name);
physicalQuantity.RegisterMeasureUnit(this, convRefFunctor);
}
public MeasureUnit(PhysicalQuantity physicalQuantity, string name, MeasureUnit convRefUnit = null, double convRefFactor = 0)
{
Init(physicalQuantity, name, convRefUnit);
physicalQuantity.RegisterMeasureUnit(this, convRefUnit, convRefFactor);
}
public static Measure TryParse(string text, PhysicalQuantity pq = null, CultureInfo culture = null)
{
if (culture == null)
{
culture = CultureInfo.InvariantCulture;
}
if (pq == null)
{
var pqstart = text.LastIndexOf('[') + 1;
if (pqstart != 0)
{
var pqname = text.Substring(pqstart, text.Length - pqstart - 1);
pq = PQCollection.PhysicalQuantities.First(w => w.Name == pqname);
text = text.Substring(0, pqstart - 1);
}
}
if (pq != null && pq.Equals(PQCollection.Adimensional))
{
double n;
if (double.TryParse(text, NumberStyles.Number | NumberStyles.AllowExponent, culture, out n))
{
var res = new Measure(n, MUCollection.Adimensional.adim);
var regex = new Regex("([0-9.]*)([eE])(.*)");
var q = regex.Match(text);
if (q.Success)
{
res.ExpPref = int.Parse(q.Groups[3].Value);
}
return(res);
}
}
else
{
var s = text.Trim();
MeasureUnit mu = null;
if (pq == null)
{
var all_mus = MUCollection.MeasureUnits;
foreach (var _mu in all_mus.OrderByDescending(w => w.Name.Length))
{
if (s.EndsWith(_mu.ToString()))
{
mu = _mu;
break;
}
}
if (mu == null)
{
return(null);
}
// ambiguity between different pq with same mu name
if (all_mus.Count(r => r.ToString() == mu.ToString()) != 1)
{
return(null);
}
}
else
{
foreach (var _mu in pq.MeasureUnits.OrderByDescending(w => w.Name.Length))
{
if (s.EndsWith(_mu.ToString()))
{
mu = _mu;
break;
}
}
}
if (mu == null)
{
return(null);
}
s = s.StripEnd(mu.ToString());
double n;
if (double.TryParse(s, NumberStyles.Number | NumberStyles.AllowExponent, culture, out n))
{
var res = new Measure(n, mu);
var regex = new Regex("([0-9.]*)([eE])(.*)");
var q = regex.Match(s);
if (q.Success)
{
res.ExpPref = int.Parse(q.Groups[3].Value);
}
return(res);
}
}
return(null);
}
