public static string DeprecationReason(
this Language.IHasDirectives syntaxNode)
{
DirectiveNode directive = syntaxNode.Directives.FirstOrDefault(t =>
t.Name.Value == WellKnownDirectives.Deprecated);
if (directive == null)
{
return(null);
}
ArgumentNode argument = directive.Arguments.FirstOrDefault(t =>
t.Name.Value == WellKnownDirectives.DeprecationReasonArgument);
if (argument == null)
{
return(null);
}
if (argument.Value is StringValueNode s)
{
return(s.Value);
}
return(null);
}
private bool ShouldBeIncluded(Language.IHasDirectives selection)
{
if (selection.Directives.Skip(_variables))
{
return(false);
}
return(selection.Directives.Include(_variables));
}
private static FieldVisibility ExtractVisibility(
Language.IHasDirectives selection,
FieldVisibility fieldVisibility)
{
IValueNode skip = selection.Directives.SkipValue();
IValueNode include = selection.Directives.IncludeValue();
if (skip == null && include == null)
{
return(fieldVisibility);
}
return(new FieldVisibility(skip, include, fieldVisibility));
}
public static string?GetBindingValue(this Language.IHasDirectives syntaxNode)
{
DirectiveNode?directive = syntaxNode.Directives.FirstOrDefault(
t => t.Name.Value == Name);
if (directive is null)
{
return(null);
}
if (directive.Arguments.Count == 1)
{
ArgumentNode to = directive.Arguments[0];
if (to.Name.Value.EqualsOrdinal(ToArgument) &&
to.Value is StringValueNode {
Value : { Length : > 0 } value
})
public static string DeprecationReason(
this Language.IHasDirectives syntaxNode)
{
DirectiveNode directive = syntaxNode.Directives.FirstOrDefault(t =>
t.Name.Value == WellKnownDirectives.Deprecated);
if (directive is null)
{
return(null);
}
if (directive.Arguments.Count != 0 &&
directive.Arguments[0].Name.Value ==
WellKnownDirectives.DeprecationReasonArgument &&
directive.Arguments[0].Value is StringValueNode s &&
!string.IsNullOrEmpty(s.Value))
{
return(s.Value);
}
return(WellKnownDirectives.DeprecationDefaultReason);
}
private static SelectionIncludeCondition?ExtractVisibility(
Language.IHasDirectives selection,
SelectionIncludeCondition?visibility)
{
if (selection.Directives.Count == 0)
{
return(visibility);
}
IValueNode?skip = selection.Directives.SkipValue();
IValueNode?include = selection.Directives.IncludeValue();
if (skip is null && include is null)
{
return(visibility);
}
if (visibility is not null && visibility.Equals(skip, include))
{
return(visibility);
}
return(new SelectionIncludeCondition(skip, include, visibility));
}
