Implement Metadata + HTTPEquiv types for meta elements.

typed-html/src/elements.rs

@@ -53,8 +53,8 @@ declare_elements!{
     meta {
         charset: String, // FIXME IANA standard names
         content: String,
-        http_equiv: String, // FIXME string enum
+        http_equiv: HTTPEquiv,
-        name: String, // FIXME string enum
+        name: Metadata,
     } in [MetadataContent];
     style {
         type: Mime,

typed-html/src/types/mod.rs

@@ -84,6 +84,14 @@ pub enum FormMethod {
     Get,
 }
 
+#[derive(EnumString, Display, PartialEq, Eq, PartialOrd, Ord, AsRefStr, AsStaticStr)]
+pub enum HTTPEquiv {
+    #[strum(to_string = "content-security-policy")]
+    ContentSecurityPolicy,
+    #[strum(to_string = "refresh")]
+    Refresh,
+}
+
 #[derive(EnumString, Display, PartialEq, Eq, PartialOrd, Ord, AsRefStr, AsStaticStr)]
 pub enum ImageDecoding {
     #[strum(to_string = "sync")]
@@ -190,6 +198,32 @@ pub enum LinkType {
     Tag,
 }
 
+#[derive(EnumString, Display, PartialEq, Eq, PartialOrd, Ord, AsRefStr, AsStaticStr)]
+pub enum Metadata {
+    #[strum(to_string = "application-name")]
+    ApplicationName,
+    #[strum(to_string = "author")]
+    Author,
+    #[strum(to_string = "description")]
+    Description,
+    #[strum(to_string = "generator")]
+    Generator,
+    #[strum(to_string = "keywords")]
+    Keywords,
+    #[strum(to_string = "referrer")]
+    Referrer,
+    #[strum(to_string = "creator")]
+    Creator,
+    #[strum(to_string = "googlebot")]
+    Googlebot,
+    #[strum(to_string = "publisher")]
+    Publisher,
+    #[strum(to_string = "robots")]
+    Robots,
+    #[strum(to_string = "viewport")]
+    Viewport,
+}
+
 #[derive(EnumString, Display, PartialEq, Eq, PartialOrd, Ord, AsRefStr, AsStaticStr)]
 pub enum OnOff {
     #[strum(to_string = "on")]