libgraphql_core/operation/
fragment.rs

1use crate::DirectiveAnnotation;
2use crate::loc;
3use crate::named_ref::DerefByName;
4use crate::named_ref::DerefByNameError;
5use crate::named_ref::NamedRef;
6use crate::operation::FragmentRegistry;
7use crate::operation::SelectionSet;
8use crate::schema::Schema;
9use crate::types::NamedGraphQLTypeRef;
10
11/// TODO
12#[derive(Clone, Debug, PartialEq)]
13pub struct Fragment<'schema> {
14    pub(super) def_location: loc::SourceLocation,
15    pub(super) directives: Vec<DirectiveAnnotation>,
16    pub(super) name: String,
17    pub(super) schema: &'schema Schema,
18    pub(super) selection_set: SelectionSet<'schema>,
19    pub(super) type_condition_ref: NamedGraphQLTypeRef,
20}
21
22impl<'schema> Fragment<'schema> {
23    pub fn selection_set(&self) -> &SelectionSet<'schema> {
24        &self.selection_set
25    }
26}
27
28impl<'schema> DerefByName for Fragment<'schema> {
29    type Source = FragmentRegistry<'schema>;
30    type RefLocation = loc::SourceLocation;
31
32    fn deref_name<'a>(
33        source: &'a Self::Source,
34        name: &str,
35    ) -> std::result::Result<&'a Fragment<'schema>, DerefByNameError> {
36        source.fragments.get(name).ok_or_else(
37            || DerefByNameError::DanglingReference(name.to_string()),
38        )
39    }
40}
41
42pub type FragmentRef<'schema> = NamedRef<
43    FragmentRegistry<'schema>,
44    loc::SourceLocation,
45    Fragment<'schema>,
46>;
libgraphql_core/operation/fragment.rs

libgraphql_core/operation/
fragment.rs
