1 use crate::util::PercentDecodedStr;
2 use http::Extensions;
3 use matchit::Params;
4 use std::sync::Arc;
5
6 pub(crate) enum UrlParams {
7 Params(Vec<(Arc<str>, PercentDecodedStr)>),
8 InvalidUtf8InPathParam { key: Arc<str> },
9 }
10
insert_url_params(extensions: &mut Extensions, params: Params)11 pub(super) fn insert_url_params(extensions: &mut Extensions, params: Params) {
12 let current_params = extensions.get_mut();
13
14 if let Some(UrlParams::InvalidUtf8InPathParam { .. }) = current_params {
15 // nothing to do here since an error was stored earlier
16 return;
17 }
18
19 let params = params
20 .iter()
21 .filter(|(key, _)| !key.starts_with(super::NEST_TAIL_PARAM))
22 .filter(|(key, _)| !key.starts_with(super::FALLBACK_PARAM))
23 .map(|(k, v)| {
24 if let Some(decoded) = PercentDecodedStr::new(v) {
25 Ok((Arc::from(k), decoded))
26 } else {
27 Err(Arc::from(k))
28 }
29 })
30 .collect::<Result<Vec<_>, _>>();
31
32 match (current_params, params) {
33 (Some(UrlParams::InvalidUtf8InPathParam { .. }), _) => {
34 unreachable!("we check for this state earlier in this method")
35 }
36 (_, Err(invalid_key)) => {
37 extensions.insert(UrlParams::InvalidUtf8InPathParam { key: invalid_key });
38 }
39 (Some(UrlParams::Params(current)), Ok(params)) => {
40 current.extend(params);
41 }
42 (None, Ok(params)) => {
43 extensions.insert(UrlParams::Params(params));
44 }
45 }
46 }
47