public Metric.Axis ParseAxis(string expression, int exponent)
{
Unit unit = null;
Prefix prefix = null;
unit = FindUnit(expression);
if (unit == null)
{
prefix = GetPrefix(expression);
if (prefix == null)
{
throw new ArgumentException(string.Format("Unknown Unit or prefix in expression '{0}'", expression));
}
int count = prefix.Symbol.Length;
string s = expression.Remove(0, count);
unit = FindUnit(s);
if (unit == null)
{
throw new ArgumentException(string.Format("Unknown Unit or prefix in expression '{0}'", expression));
}
}
Metric.Axis component = (unit != null) ? new Metric.Axis(prefix, unit, exponent) : null;
return(component);
}
public Metric ParseMetric(IEnumerable <Unary> tokens)
{
List <Metric.Axis> components = new List <Metric.Axis>();
foreach (Unary u in tokens)
{
Metric.Axis component = ParseAxis(u.Expression, u.Exponent);
components.Add(component);
}
return(new Metric(components));
}
public override bool Equals(object obj)
{
if (obj is Metric.Axis)
{
Metric.Axis c = (Metric.Axis)obj;
return
((this.Prefix == c.Prefix)
&&
(this.Unit == c.Unit));
}
else
{
return(false);
}
}