public string DataLink(ROntologyDatatypePropertyDefinition prop)
{
SDataLink result = null;
SDataLink somelangresult = null;
foreach (var dprop in DirectProperties <SDataLink>().Where(p => p.Definition == prop))
{
if (dprop.Lang == "ru")
{
result = dprop;
break;
}
if (dprop.Lang == "en")
{
result = dprop;
}
else
{
somelangresult = dprop;
}
}
if (result == null && somelangresult != null)
{
result = somelangresult;
}
return(result == null ? null : result.InnerText);
}
public static string DateFirst(this SNode sNode)
{
var dp = sNode.DataProperty("from-date");
string df = dp == null ? null : dp.InnerText;
if (df != null)
{
return(df);
}
return(sNode.InverseProperties("referred")
.Select((Func <SObjectLink, string>)((SObjectLink p) =>
{
SDataLink dprop = p.Source.DataProperty("some-date");
if (dprop != null)
{
return dprop.InnerText;
}
dprop = p.Source.DataProperty("date");
if (dprop != null)
{
return dprop.InnerText;
}
return (string)null;
}))
.OrderBy(d => d).FirstOrDefault());
}
public SDataLink DataProperty(XName propName, XName lang)
{
SDataLink result = null;
SDataLink somelangresult = null;
foreach (var dprop in DirectProperties <SDataLink>(propName))
{
if (dprop.Lang == lang)
{
result = dprop;
break;
}
if (dprop.Lang == "en")
{
result = dprop;
}
else
{
somelangresult = dprop;
}
}
if (result == null && somelangresult != null)
{
result = somelangresult;
}
return(result);
}