bluejay_validator/executable/document/rules/
lone_anonymous_operation.rs

1use crate::executable::{
2    document::{Error, Rule, Visitor},
3    Cache,
4};
5use bluejay_core::definition::SchemaDefinition;
6use bluejay_core::executable::{ExecutableDocument, OperationDefinition};
7
8pub struct LoneAnonymousOperation<'a, E: ExecutableDocument> {
9    anonymous_operations: Vec<&'a E::OperationDefinition>,
10    executable_document: &'a E,
11}
12
13impl<'a, E: ExecutableDocument, S: SchemaDefinition> Visitor<'a, E, S>
14    for LoneAnonymousOperation<'a, E>
15{
16    fn new(executable_document: &'a E, _: &'a S, _: &'a Cache<'a, E, S>) -> Self {
17        Self {
18            anonymous_operations: Vec::new(),
19            executable_document,
20        }
21    }
22
23    fn visit_operation_definition(&mut self, operation_definition: &'a E::OperationDefinition) {
24        if operation_definition.as_ref().name().is_none() {
25            self.anonymous_operations.push(operation_definition);
26        }
27    }
28}
29
30impl<'a, E: ExecutableDocument + 'a, S: SchemaDefinition + 'a> Rule<'a, E, S>
31    for LoneAnonymousOperation<'a, E>
32{
33    type Error = Error<'a, E, S>;
34    type Errors = <Option<Error<'a, E, S>> as IntoIterator>::IntoIter;
35
36    fn into_errors(self) -> Self::Errors {
37        (self.executable_document.operation_definitions().count() != 1
38            && !self.anonymous_operations.is_empty())
39        .then_some(Error::NotLoneAnonymousOperation {
40            anonymous_operations: self.anonymous_operations,
41        })
42        .into_iter()
43    }
44}

bluejay_validator/executable/document/rules/lone_anonymous_operation.rs

bluejay_validator/executable/document/rules/
lone_anonymous_operation.rs