bluejay_parser/ast/definition/
fields_definition.rs

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

bluejay_parser/ast/definition/
fields_definition.rs
