private void RunSelectQuery(SelectQuery sq)
{
ScrapeQLQueryable node;
bool inscope = scope.TryGetValue(sq.Source.Value.AsString(), out node);
if (inscope)
{
Selector s = sq.Selector;
ScrapeQLQueryable selected = null;
if (s is AttributeSelector)
{
selected = node.SelectSingleNode((s as AttributeSelector).Xpath.Value.AsString());
if (selected != null)
{
scope.Add(sq.Alias.Value.AsString(), selected);
}
else
{
Console.WriteLine(String.Format("Could not select: {0}", (s as AttributeSelector).Xpath.Value.AsString()));
}
}
if (s is SelectorString)
{
selected = node.SelectSingleNode((s as SelectorString).Xpath.Value.AsString());
if (selected != null)
{
scope.Add(sq.Alias.Value.AsString(), selected);
}
else
{
Console.WriteLine(String.Format("Could not select: {0}", (s as SelectorString).Xpath.Value.AsString()));
}
}
}
else
{
Console.WriteLine(sq.Source.Value.AsString() + " is not in scope at:" + sq.Source.Location.ToString());
}
}
public ScrapeQLQueryable Combine(ScrapeQLQueryable append)
{
return(new ImmutableListQueryable(this, append));
}