public override object VisitSelectionSet(GraphQLParser.SelectionSetContext context)
{
var selections = new Selections();
foreach (var selectionContext in context.selection())
{
var selection = Visit(selectionContext) as Selection;
selections.Add(selection);
}
return(selections);
}
public Dictionary <string, Fields> CollectFields(ExecutionContext context, GraphType type, Selections selections, Dictionary <string, Fields> fields)
{
if (fields == null)
{
fields = new Dictionary <string, Fields>();
}
selections.Apply(selection =>
{
if (selection.Field != null)
{
if (!ShouldIncludeNode(context, selection.Field.Directives))
{
return;
}
var name = selection.Field.Alias ?? selection.Field.Name;
if (!fields.ContainsKey(name))
{
fields[name] = new Fields();
}
fields[name].Add(selection.Field);
}
else if (selection.Fragment != null)
{
if (selection.Fragment is FragmentSpread)
{
var spread = selection.Fragment as FragmentSpread;
if (!ShouldIncludeNode(context, spread.Directives))
{
return;
}
var fragment = context.Fragments.FindDefinition(spread.Name);
if (!ShouldIncludeNode(context, fragment.Directives) ||
!DoesFragmentConditionMatch(context, fragment, type))
{
return;
}
CollectFields(context, type, fragment.Selections, fields);
}
else if (selection.Fragment is InlineFragment)
{
var inline = selection.Fragment as InlineFragment;
if (!ShouldIncludeNode(context, inline.Directives) ||
!DoesFragmentConditionMatch(context, inline, type))
{
return;
}
CollectFields(context, type, inline.Selections, fields);
}
}
});
return(fields);
}
public Dictionary <string, Fields> CollectFields(ExecutionContext context, GraphType type, Selections selections, Dictionary <string, Fields> fields)
{
if (fields == null)
{
fields = new Dictionary <string, Fields>();
}
selections.Apply(selection =>
{
if (selection.Field != null)
{
var name = selection.Field.Alias ?? selection.Field.Name;
if (!fields.ContainsKey(name))
{
fields[name] = new Fields();
}
fields[name].Add(selection.Field);
}
});
return(fields);
}
