Merge actix-http project

actix-http/src/header/common/content_language.rs

@@ -0,0 +1,65 @@
+use crate::header::{QualityItem, CONTENT_LANGUAGE};
+use language_tags::LanguageTag;
+
+header! {
+    /// `Content-Language` header, defined in
+    /// [RFC7231](https://tools.ietf.org/html/rfc7231#section-3.1.3.2)
+    ///
+    /// The `Content-Language` header field describes the natural language(s)
+    /// of the intended audience for the representation.  Note that this
+    /// might not be equivalent to all the languages used within the
+    /// representation.
+    ///
+    /// # ABNF
+    ///
+    /// ```text
+    /// Content-Language = 1#language-tag
+    /// ```
+    ///
+    /// # Example values
+    ///
+    /// * `da`
+    /// * `mi, en`
+    ///
+    /// # Examples
+    ///
+    /// ```rust
+    /// # extern crate actix_http;
+    /// # #[macro_use] extern crate language_tags;
+    /// use actix_http::Response;
+    /// # use actix_http::http::header::{ContentLanguage, qitem};
+    /// #
+    /// # fn main() {
+    /// let mut builder = Response::Ok();
+    /// builder.set(
+    ///     ContentLanguage(vec![
+    ///         qitem(langtag!(en)),
+    ///     ])
+    /// );
+    /// # }
+    /// ```
+    ///
+    /// ```rust
+    /// # extern crate actix_http;
+    /// # #[macro_use] extern crate language_tags;
+    /// use actix_http::Response;
+    /// # use actix_http::http::header::{ContentLanguage, qitem};
+    /// #
+    /// # fn main() {
+    ///
+    /// let mut builder = Response::Ok();
+    /// builder.set(
+    ///     ContentLanguage(vec![
+    ///         qitem(langtag!(da)),
+    ///         qitem(langtag!(en;;;GB)),
+    ///     ])
+    /// );
+    /// # }
+    /// ```
+    (ContentLanguage, CONTENT_LANGUAGE) => (QualityItem<LanguageTag>)+
+
+    test_content_language {
+        test_header!(test1, vec![b"da"]);
+        test_header!(test2, vec![b"mi, en"]);
+    }
+}