/// <summary>
/// Reverses a <see cref="StandardIndustryClassification"/> into
/// its NAICS groups.
/// </summary>
/// <param name="sic"></param>
/// <returns></returns>
public static Tuple<NaicsPrimarySector, NaicsSector, NaicsMarket> LookupNaicsBySic(
StandardIndustryClassification sic)
{
var allSectors = AllSectors;
if (allSectors == null)
return null;
foreach (var s in AllSectors)
{
foreach (var ps in s.Divisions.Cast<NaicsPrimarySector>())
{
foreach (var ns in ps.Divisions.Cast<NaicsSector>())
{
foreach (var mk in ns.Divisions.Cast<NaicsMarket>())
{
var ssic = mk.Divisions.Cast<StandardIndustryClassification>()
.FirstOrDefault(x => x.Equals(sic));
if (ssic == null)
continue;
return new Tuple<NaicsPrimarySector, NaicsSector, NaicsMarket>(ps, ns, mk);
}
}
}
}
return null;
}
public override bool TryThisParseXml(XmlElement elem)
{
if (!base.TryThisParseXml(elem))
return false;
if (!elem.HasChildNodes)
return true;
foreach (var cNode in elem.ChildNodes)
{
var cElem = cNode as XmlElement;
if (cElem == null)
continue;
var sic = new StandardIndustryClassification();
if (sic.TryThisParseXml(cElem))
divisions.Add(sic);
}
return true;
}