private bool IsValidPrefixUnit(INameAndSymbol item)
{
if (this.settings.Prefixes.Any(p => item.Name.StartsWith(p.Name, StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
var baseUnit = item as BaseUnit;
if (baseUnit != null)
{
return(true);
}
var derivedUnit = item as DerivedUnit;
if (derivedUnit != null)
{
IReadOnlyList <SymbolAndPower> symbolAndPowers;
if (SymbolAndPowerReader.TryRead(derivedUnit.Symbol, out symbolAndPowers))
{
return(symbolAndPowers.Count == 1 && symbolAndPowers[0].Power == 1);
}
return(false);
}
var factorConversion = item as FactorConversion;
if (factorConversion != null)
{
return(true);
}
return(false);
}
private static PrefixConversion Create(INameAndSymbol nas, Prefix prefix)
{
return(new PrefixConversion(prefix.Name + nas.ParameterName.TrimStart('@'), prefix.Symbol + nas.Symbol, prefix.Name));
}
