display

src/main.rs

@@ -5,15 +5,16 @@ type Result<T> = std::result::Result<T, Error>;
 
 #[derive(Debug)]
 pub struct CapCode {
-    capcode: &'static str,
-    region: &'static str,
-    location: &'static str,
-    service: &'static str,
-    description: &'static str,
+    pub capcode: &'static str,
+    pub region: &'static str,
+    pub location: &'static str,
+    pub service: &'static str,
+    pub description: &'static str,
 }
 
 include!(concat!(env!("OUT_DIR"), "/capcodes.rs"));
 
+#[allow(unused)]
 #[derive(Debug)]
 struct Message {
     raw: String,
@@ -21,11 +22,41 @@ struct Message {
     timestamp: String,
     flags: String,
     frameid: String,
+    capcodes_raw: String,
     capcodes: Vec<&'static CapCode>,
     format: String,
     message: String,
 }
 
+impl std::fmt::Display for Message {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if self.capcodes.is_empty() {
+            write!(f, "[{}]: {}", self.capcodes_raw, self.message)?;
+            return Ok(());
+        }
+
+        let mut iterator = self.capcodes.iter().peekable();
+        while let Some(code) = iterator.next() {
+            write!(f, "[{}]", code.service)?;
+            if !code.region.is_empty() {
+                write!(f, "[{}]", code.region.trim())?;
+            }
+            if !code.location.is_empty() {
+                write!(f, "[{}]", code.location.trim())?;
+            }
+            if !code.description.is_empty() {
+                write!(f, "[{}]", code.description.trim())?;
+            }
+            write!(f, ": ")?;
+            write!(f, "{}", self.message)?;
+            if iterator.peek().is_some() {
+                writeln!(f)?;
+            }
+        }
+        Ok(())
+    }
+}
+
 impl FromStr for Message {
     type Err = Error;
 
@@ -73,6 +104,7 @@ impl FromStr for Message {
             timestamp: timestamp.to_string(),
             flags: flags.to_string(),
             frameid: frameid.to_string(),
+            capcodes_raw: capcodes.to_string(),
             capcodes: cc,
             format: format.to_string(),
             message: message.trim().to_string(),
@@ -96,7 +128,7 @@ fn main() -> Result<()> {
 
 fn process(s: &str) -> Result<Message> {
     let message = Message::from_str(s)?;
-    dbg!(&message);
+    println!("{}", &message);
 
     Ok(message)
 }