perf(context)!: Replace HashMap parameters with Parameters newtype backed by Vec

3 files changed, 37 insertions, 8 deletions

diff --git a/src/context/hook.rs b/src/context/hook.rs
index 25383f1..8ee6bac 100644
--- a/src/context/hook.rs
+++ b/src/context/hook.rs
@@ -1,15 +1,15 @@
-use std::collections::HashMap;
-
 use matchit::Params;
 use openssl::x509::X509;
 use url::Url;
 
+use crate::context::Parameters;
+
 #[allow(clippy::module_name_repetitions)]
 #[derive(Clone)]
 pub struct HookContext {
   pub peer_address: Option<std::net::SocketAddr>,
   pub url:          Url,
-  pub parameters:   Option<HashMap<String, String>>,
+  pub parameters:   Option<Parameters>,
   pub certificate:  Option<X509>,
 }
 
@@ -24,7 +24,7 @@ impl HookContext {
     Self {
       peer_address: peer_address.ok(),
       url,
-      parameters: parameters.map(|p| crate::utilities::params_to_hashmap(&p)),
+      parameters: parameters.map(|p| Parameters::from_parameters(&p)),
       certificate,
     }
   }
diff --git a/src/context/parameters.rs b/src/context/parameters.rs
new file mode 100644
index 0000000..413a241
--- /dev/null
+++ b/src/context/parameters.rs
@@ -0,0 +1,29 @@
+#[derive(Clone, Default)]
+pub struct Parameters(Vec<(String, String)>);
+
+impl Parameters {
+  pub(crate) fn from_parameters(parameters: &matchit::Params<'_, '_>) -> Self {
+    Self(
+      parameters
+        .iter()
+        .map(|(k, v)| (k.to_string(), v.to_string()))
+        .collect(),
+    )
+  }
+
+  #[must_use]
+  pub fn get(&self, key: &str) -> Option<&str> {
+    self
+      .0
+      .iter()
+      .find(|(k, _)| k == key)
+      .map(|(_, v)| v.as_str())
+  }
+
+  #[must_use]
+  pub const fn is_empty(&self) -> bool { self.0.is_empty() }
+
+  pub fn iter(&self) -> impl Iterator<Item = (&str, &str)> {
+    self.0.iter().map(|(k, v)| (k.as_str(), v.as_str()))
+  }
+}
diff --git a/src/context/route.rs b/src/context/route.rs
index bcc5f2a..f175920 100644
--- a/src/context/route.rs
+++ b/src/context/route.rs
@@ -1,15 +1,15 @@
-use std::collections::HashMap;
-
 use matchit::Params;
 use openssl::x509::X509;
 use url::Url;
 
+use crate::context::Parameters;
+
 #[allow(clippy::module_name_repetitions)]
 #[derive(Clone)]
 pub struct RouteContext {
   pub peer_address: Option<std::net::SocketAddr>,
   pub url:          Url,
-  pub parameters:   HashMap<String, String>,
+  pub parameters:   Parameters,
   pub certificate:  Option<X509>,
 }
 
@@ -24,7 +24,7 @@ impl RouteContext {
     Self {
       peer_address: peer_address.ok(),
       url,
-      parameters: crate::utilities::params_to_hashmap(parameters),
+      parameters: Parameters::from_parameters(parameters),
       certificate,
     }
   }