bluejay_parser/ast/definition/
fields_definition.rs

1use crate::ast::definition::{Context, FieldDefinition};
2use crate::ast::{DepthLimiter, FromTokens, ParseError, Tokens};
3use crate::lexical_token::PunctuatorType;
4use crate::Span;
5use bluejay_core::definition::FieldsDefinition as CoreFieldsDefinition;
6use bluejay_core::AsIter;
7
8#[derive(Debug)]
9pub struct FieldsDefinition<'a, C: Context> {
10    field_definitions: Vec<FieldDefinition<'a, C>>,
11    _span: Span,
12}
13
14impl<'a, C: Context> AsIter for FieldsDefinition<'a, C> {
15    type Item = FieldDefinition<'a, C>;
16    type Iterator<'b>
17        = std::slice::Iter<'b, Self::Item>
18    where
19        'a: 'b;
20
21    fn iter(&self) -> Self::Iterator<'_> {
22        self.field_definitions.iter()
23    }
24}
25
26impl<'a, C: Context> CoreFieldsDefinition for FieldsDefinition<'a, C> {
27    type FieldDefinition = FieldDefinition<'a, C>;
28}
29
30impl<'a, C: Context> FromTokens<'a> for FieldsDefinition<'a, C> {
31    fn from_tokens(
32        tokens: &mut impl Tokens<'a>,
33        depth_limiter: DepthLimiter,
34    ) -> Result<Self, ParseError> {
35        let open_span = tokens.expect_punctuator(PunctuatorType::OpenBrace)?;
36        let mut field_definitions: Vec<FieldDefinition<'a, C>> =
37            vec![FieldDefinition::__typename()];
38        let close_span = loop {
39            field_definitions.push(FieldDefinition::from_tokens(tokens, depth_limiter.bump()?)?);
40            if let Some(close_span) = tokens.next_if_punctuator(PunctuatorType::CloseBrace) {
41                break close_span;
42            }
43        };
44        let span = open_span.merge(&close_span);
45        Ok(Self {
46            field_definitions,
47            _span: span,
48        })
49    }
50}
51
52impl<C: Context> FieldsDefinition<'_, C> {
53    pub(crate) fn add_query_root_fields(&mut self) {
54        self.field_definitions.push(FieldDefinition::__schema());
55        self.field_definitions.push(FieldDefinition::__type());
56    }
57
58    pub(crate) fn __typename() -> Self {
59        Self {
60            field_definitions: vec![FieldDefinition::__typename()],
61            _span: Span::new(0..0),
62        }
63    }
64}
bluejay_parser/ast/definition/fields_definition.rs

bluejay_parser/ast/definition/
fields_definition.rs
