valico/json_dsl/validators/
allowed_values.rs

1use serde_json::{Value};
2use super::super::errors;
3
4pub struct AllowedValues {
5    allowed_values: Vec<Value>
6}
7
8impl AllowedValues {
9    pub fn new(values: Vec<Value>) -> AllowedValues {
10        AllowedValues {
11            allowed_values: values
12        }
13    }
14}
15
16impl super::Validator for AllowedValues {
17    fn validate(&self, val: &Value, path: &str) -> super::ValidatorResult {
18        let mut matched = false;
19        for allowed_value in self.allowed_values.iter() {
20            if val == allowed_value { matched = true; }
21        }
22
23        if matched {
24            Ok(())
25        } else {
26            Err(vec![
27                Box::new(errors::WrongValue {
28                    path: path.to_string(),
29                    detail: Some("Value is not among allowed list".to_string())
30                })
31            ])
32        }
33    }
34}