poem_openapi/types/external/
regex.rs1use std::borrow::Cow;
2
3use poem::{http::HeaderValue, web::Field};
4use regex::Regex;
5use serde_json::Value;
6
7use crate::{
8 registry::{MetaSchema, MetaSchemaRef},
9 types::{
10 ParseError, ParseFromJSON, ParseFromMultipartField, ParseFromParameter, ParseResult,
11 ToHeader, ToJSON, Type,
12 },
13};
14
15impl Type for Regex {
16 const IS_REQUIRED: bool = true;
17
18 type RawValueType = Self;
19
20 type RawElementValueType = Self;
21
22 fn name() -> Cow<'static, str> {
23 "string_regex".into()
24 }
25
26 fn schema_ref() -> MetaSchemaRef {
27 MetaSchemaRef::Inline(Box::new(MetaSchema::new_with_format("string", "regex")))
28 }
29
30 fn as_raw_value(&self) -> Option<&Self::RawValueType> {
31 Some(self)
32 }
33
34 fn raw_element_iter<'a>(
35 &'a self,
36 ) -> Box<dyn Iterator<Item = &'a Self::RawElementValueType> + 'a> {
37 Box::new(self.as_raw_value().into_iter())
38 }
39}
40
41impl ParseFromJSON for Regex {
42 fn parse_from_json(value: Option<Value>) -> ParseResult<Self> {
43 let value = value.unwrap_or_default();
44 if let Value::String(value) = value {
45 Ok(value.parse()?)
46 } else {
47 Err(ParseError::expected_type(value))
48 }
49 }
50}
51
52impl ParseFromParameter for Regex {
53 fn parse_from_parameter(value: &str) -> ParseResult<Self> {
54 value.parse().map_err(ParseError::custom)
55 }
56}
57
58impl ParseFromMultipartField for Regex {
59 async fn parse_from_multipart(field: Option<Field>) -> ParseResult<Self> {
60 match field {
61 Some(field) => Ok(field.text().await?.parse()?),
62 None => Err(ParseError::expected_input()),
63 }
64 }
65}
66
67impl ToJSON for Regex {
68 fn to_json(&self) -> Option<Value> {
69 Some(Value::String(self.to_string()))
70 }
71}
72
73impl ToHeader for Regex {
74 fn to_header(&self) -> Option<HeaderValue> {
75 HeaderValue::from_str(&self.to_string()).ok()
76 }
77}