static bool getNamedUnitRepStr(IIfcUnit unitDef, out IfcUnitEnum unitType, out string unitRepStr)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
unitType = IfcUnitEnum.LENGTHUNIT; // initial value
unitRepStr = string.Empty;
if (unitDef is IIfcContextDependentUnit)
{
// Not supported yet at this time
}
else if (unitDef is IIfcConversionBasedUnit)
{
unitType = ((IIfcConversionBasedUnit)unitDef).UnitType;
unitRepStr = getConversionBasedUnitRepStr(unitDef);
if (!string.IsNullOrEmpty(unitRepStr))
{
return(true);
}
}
else if (unitDef is IIfcSIUnit)
{
unitType = ((IIfcSIUnit)unitDef).UnitType;
unitRepStr = getSIUnitRepStr(unitDef);
if (!string.IsNullOrEmpty(unitRepStr))
{
return(true);
}
}
return(false);
}
public static string getIfcUnitStr(IIfcUnit unitDef)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
IfcUnitEnum namedUnitType;
IfcDerivedUnitEnum derivedUnitType;
string unitRepStr = string.Empty;
if (unitDef is IIfcMonetaryUnit)
{
return(m_IfcProjectMonetaryUnit);
}
else if (unitDef is IIfcNamedUnit)
{
if (getNamedUnitRepStr(unitDef, out namedUnitType, out unitRepStr))
{
return(unitRepStr);
}
}
else if (unitDef is IIfcDerivedUnit)
{
if (getDerivedUnitRepStr(unitDef, out derivedUnitType, out unitRepStr))
{
return(unitRepStr);
}
}
return(null);
}
static string getConversionBasedUnitRepStr(IIfcUnit unitDef)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
IIfcConversionBasedUnit convUnit = unitDef as IIfcConversionBasedUnit;
string convUnitStr = convUnit.Name.ToString().ToUpper();
string unitRepStr = string.Empty;
m_ConversionBasedNameRep.TryGetValue(convUnitStr, out unitRepStr);
//string unitRepStr = getIfcUnitStr(convUnit.ConversionFactor.UnitComponent);
return(unitRepStr);
}
static string getSIUnitRepStr(IIfcUnit unitDef)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
IIfcSIUnit siUnit = unitDef as IIfcSIUnit;
string unitRepStr = string.Empty;
m_SIUnitNameRep.TryGetValue(siUnit.Name, out unitRepStr);
if (siUnit.Prefix.HasValue)
{
string prefixStr = string.Empty;
m_SIPrefixRep.TryGetValue(siUnit.Prefix.Value, out prefixStr);
unitRepStr = prefixStr + unitRepStr;
}
return(unitRepStr);
}
public static void AddIfcProjectUnitDict(IIfcUnit unitDef)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
IfcUnitEnum namedUnitType;
IfcDerivedUnitEnum derivedUnitType;
string unitRepStr = string.Empty;
try
{
if (unitDef is IIfcMonetaryUnit)
{
m_IfcProjectMonetaryUnit = (unitDef as IIfcMonetaryUnit).Currency.ToString();
}
else if (unitDef is IIfcNamedUnit)
{
if (getNamedUnitRepStr(unitDef, out namedUnitType, out unitRepStr))
{
if (!m_IfcProjectNamedUnitRep.ContainsKey(namedUnitType))
{
m_IfcProjectNamedUnitRep.Add(namedUnitType, unitRepStr);
}
}
}
else if (unitDef is IIfcDerivedUnit)
{
if (getDerivedUnitRepStr(unitDef, out derivedUnitType, out unitRepStr))
{
if (!m_IfcProjectDerivedUnitRep.ContainsKey(derivedUnitType))
{
m_IfcProjectDerivedUnitRep.Add(derivedUnitType, unitRepStr);
}
}
}
}
catch
{
// Ignore error (likely due to existing entry)
}
}
public static string GetSymbol(IIfcUnit unit)
{
if (unit is IIfcDerivedUnit du)
{
return(GetSymbol(du));
}
else if (unit is IIfcContextDependentUnit cdu)
{
return(cdu.Name);
}
else if (unit is IIfcConversionBasedUnit cbu)
{
return(cbu.Name);
}
else if (unit is IIfcSIUnit si)
{
return(GetSymbol(si));
}
else if (unit is IIfcMonetaryUnit mu)
{
return(mu.Currency);
}
throw new ArgumentOutOfRangeException(nameof(unit), "Unexpected unit type " + unit.GetType().Name);
}
static bool getDerivedUnitRepStr(IIfcUnit unitDef, out IfcDerivedUnitEnum unitType, out string unitRepStr)
{
// Initialize the static Dicts, if it is still empty upon the first use. These Dicts do not need to be reset
setupUnitRep();
unitType = IfcDerivedUnitEnum.USERDEFINED; // initial value
IIfcDerivedUnit derivedUnit = unitDef as IIfcDerivedUnit;
unitType = derivedUnit.UnitType;
unitRepStr = string.Empty;
IList <string> positiveExpUnits = new List <string>();
IList <string> negativeExpUnits = new List <string>();
foreach (IIfcDerivedUnitElement dUnitElem in derivedUnit.Elements)
{
IfcUnitEnum elemUnitType;
string elemUnitRepStr = string.Empty;
int exponent = (int)dUnitElem.Exponent;
if (getNamedUnitRepStr(dUnitElem.Unit, out elemUnitType, out elemUnitRepStr))
{
if (exponent >= 0)
{
if (exponent > 1)
{
elemUnitRepStr = elemUnitRepStr + "^" + exponent.ToString();
}
//elemUnitRepStr = elemUnitRepStr + unicodeSuperScript(exponent);
positiveExpUnits.Add(elemUnitRepStr);
}
else
{
if (exponent < -1)
{
elemUnitRepStr = elemUnitRepStr + "^" + Math.Abs(exponent).ToString();
}
//elemUnitRepStr = elemUnitRepStr + unicodeSuperScript(Math.Abs(exponent));
negativeExpUnits.Add(elemUnitRepStr);
}
}
}
if (positiveExpUnits.Count > 0)
{
foreach (string elemUnit in positiveExpUnits)
{
BIMRLCommon.appendToString(elemUnit, ".", ref unitRepStr);
//BAIFCCommon.appendToString(elemUnit, "\u22C5", ref negUnitRepStr);
}
}
else
{
if (negativeExpUnits.Count > 0)
{
unitRepStr = "1";
}
}
string negUnitRepStr = string.Empty;
if (negativeExpUnits.Count > 0)
{
foreach (string elemUnit in negativeExpUnits)
{
BIMRLCommon.appendToString(elemUnit, "·", ref negUnitRepStr);
//BAIFCCommon.appendToString(elemUnit, "\u22C5", ref negUnitRepStr);
}
}
if (!string.IsNullOrEmpty(negUnitRepStr))
{
unitRepStr += "/" + negUnitRepStr;
}
if (!string.IsNullOrEmpty(unitRepStr))
{
return(true);
}
else
{
return(false);
}
}
private ValidationResult CheckUnit(string measureType, IIfcUnit unit, IPersistEntity entity)
{
if (string.IsNullOrWhiteSpace(measureType))
{
return(null);
}
measureType = measureType.ToUpperInvariant();
// no kind is defined for some measures (boolean, text, monetary, date etc.)
if (!MeasureUnitMaps.UnitKinds.TryGetValue(measureType, out UnitKind kind))
{
return(null);
}
switch (kind)
{
case UnitKind.IfcUnitEnum:
{
if (!MeasureUnitMaps.Units.TryGetValue(measureType, out IfcUnitEnum unitType))
{
throw new ArgumentOutOfRangeException();
}
if (unit != null)
{
if (!(unit is IIfcNamedUnit namedUnit) || namedUnit.UnitType != unitType)
{
return(new ValidationResult
{
IssueType = ValidationFlags.Properties,
Item = entity,
Message = $"Named unit of type {unitType.ToString()} must be defined for {measureType}",
IssueSource = "Units to Measure Types validation"
});
}
}
else
{
// try to find unit assignment
unit = entity.Model.Instances
.OfType <IIfcUnitAssignment>()
.Select(a => a.Units.FirstOrDefault <IIfcNamedUnit>(u => u.UnitType == unitType))
.FirstOrDefault();
if (unit == null)
{
return(new ValidationResult
{
IssueType = ValidationFlags.Properties,
Item = entity,
Message = $"Named unit of type {unitType.ToString()} must be defined for {measureType} but it was not found directly or in global units assignment.",
IssueSource = "Units to Measure Types validation"
});
}
}
}
break;
case UnitKind.IfcDerivedUnitEnum:
{
if (!MeasureUnitMaps.DerivedUnits.TryGetValue(measureType, out IfcDerivedUnitEnum unitType))
{
throw new ArgumentOutOfRangeException();
}
if (unit != null)
{
if (!(unit is IIfcDerivedUnit derivedUnit) || derivedUnit.UnitType != unitType)
{
return(new ValidationResult
{
IssueType = ValidationFlags.Properties,
Item = entity,
Message = $"Derived unit of type {unitType.ToString()} must be defined for {measureType}",
IssueSource = "Units to Measure Types validation"
});
}
}
else
{
// try to find unit assignment
unit = entity.Model.Instances
.OfType <IIfcUnitAssignment>()
.Select(a => a.Units.FirstOrDefault <IIfcDerivedUnit>(u => u.UnitType == unitType))
.FirstOrDefault();
if (unit == null)
{
return(new ValidationResult
{
IssueType = ValidationFlags.Properties,
Item = entity,
Message = $"Derived unit of type {unitType.ToString()} must be defined for {measureType} but it was not found directly or in global units assignment.",
IssueSource = "Units to Measure Types validation"
});
}
}
}
break;
default:
throw new ArgumentOutOfRangeException();
}
return(null);
}