poem_openapi/types/external/
char.rs

1use std::borrow::Cow;
2
3use serde_json::Value;
4
5use crate::{
6    registry::{MetaSchema, MetaSchemaRef},
7    types::{ParseError, ParseFromJSON, ParseFromParameter, ParseResult, ToJSON, Type},
8};
9
10impl Type for char {
11    const IS_REQUIRED: bool = true;
12
13    type RawValueType = Self;
14
15    type RawElementValueType = Self;
16
17    fn name() -> Cow<'static, str> {
18        "char".into()
19    }
20
21    fn schema_ref() -> MetaSchemaRef {
22        MetaSchemaRef::Inline(Box::new(MetaSchema::new("char")))
23    }
24
25    fn as_raw_value(&self) -> Option<&Self::RawValueType> {
26        Some(self)
27    }
28
29    fn raw_element_iter<'a>(
30        &'a self,
31    ) -> Box<dyn Iterator<Item = &'a Self::RawElementValueType> + 'a> {
32        Box::new(self.as_raw_value().into_iter())
33    }
34}
35
36impl ParseFromJSON for char {
37    fn parse_from_json(value: Option<Value>) -> ParseResult<Self> {
38        let value = value.unwrap_or_default();
39        if let Value::String(value) = value {
40            match value.chars().next() {
41                Some(ch) => Ok(ch),
42                None => Err(ParseError::expected_input()),
43            }
44        } else {
45            Err(ParseError::expected_type(value))
46        }
47    }
48}
49
50impl ParseFromParameter for char {
51    fn parse_from_parameter(value: &str) -> ParseResult<Self> {
52        value.parse().map_err(ParseError::custom)
53    }
54}
55
56impl ToJSON for char {
57    fn to_json(&self) -> Option<Value> {
58        Some(Value::String(self.to_string()))
59    }
60}
poem_openapi/types/external/char.rs

poem_openapi/types/external/
char.rs
