cynic_parser/values/
const_objects.rs

1use std::fmt;
2
3use crate::{common::IdRange, AstLookup, Span};
4
5use super::{
6    iter::{Iter, ValueStoreReader},
7    ConstFieldId, ConstValue, ConstValueId, ValueStoreId,
8};
9
10#[derive(Clone, Copy)]
11pub struct ConstObject<'a>(pub(super) super::Cursor<'a, ConstValueId>);
12
13impl<'a> ConstObject<'a> {
14    pub fn is_empty(&self) -> bool {
15        self.len() == 0
16    }
17
18    pub fn len(&self) -> usize {
19        let store = self.0.store;
20        store.lookup(self.0.id).kind.as_object().unwrap().len()
21    }
22
23    pub fn span(&self) -> Span {
24        let store = &self.0.store;
25        store.lookup(self.0.id).span
26    }
27
28    pub fn fields(&self) -> Iter<'a, ConstObjectField<'a>> {
29        let store = self.0.store;
30
31        let IdRange { start, end } = store.lookup(self.0.id).kind.as_object().unwrap();
32        let start = ConstFieldId::new(start.get());
33        let end = ConstFieldId::new(end.get());
34
35        Iter::new(IdRange { start, end }, store)
36    }
37
38    pub fn get(&self, name: &str) -> Option<ConstValue<'a>> {
39        Some(self.fields().find(|field| field.name() == name)?.value())
40    }
41}
42
43impl fmt::Debug for ConstObject<'_> {
44    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
45        f.debug_map()
46            .entries(self.fields().map(|field| (field.name(), field.value())))
47            .finish()
48    }
49}
50
51impl<'a> IntoIterator for ConstObject<'a> {
52    type Item = ConstObjectField<'a>;
53
54    type IntoIter = Iter<'a, ConstObjectField<'a>>;
55
56    fn into_iter(self) -> Self::IntoIter {
57        self.fields()
58    }
59}
60
61#[derive(Clone, Copy)]
62pub struct ConstObjectField<'a>(super::Cursor<'a, ConstFieldId>);
63
64impl<'a> ConstObjectField<'a> {
65    pub fn name(&self) -> &'a str {
66        let store = self.0.store;
67        store.lookup(store.lookup(self.0.id).name)
68    }
69
70    pub fn name_span(&self) -> Span {
71        let store = self.0.store;
72        store.lookup(self.0.id).name_span
73    }
74
75    pub fn value(&self) -> ConstValue<'a> {
76        let store = self.0.store;
77        store.read(ConstValueId::new(store.lookup(self.0.id).value.get()))
78    }
79}
80
81impl<'a> ValueStoreReader<'a> for ConstObjectField<'a> {
82    type Id = ConstFieldId;
83}
84
85impl ValueStoreId for ConstFieldId {
86    type Reader<'a> = ConstObjectField<'a>;
87
88    fn read(self, store: &super::ValueStore) -> Self::Reader<'_> {
89        ConstObjectField(super::Cursor { id: self, store })
90    }
91}
cynic_parser/values/const_objects.rs

cynic_parser/values/
const_objects.rs
