Add function to parse filename.

src/filename.rs

@@ -0,0 +1,68 @@
+use anyhow::{anyhow as e, Result};
+
+use crate::serverinfo;
+
+pub fn filename(data: &[u8]) -> Result<String> {
+    let Some(serverdemo) = serverinfo(data)?.serverdemo else {
+        return Err(e!("Filename not found"));
+    };
+    Ok(serverdemo)
+}
+
+#[cfg(test)]
+mod tests {
+    use std::fs::read;
+
+    use anyhow::Result;
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+
+    #[test]
+    fn test_filename() -> Result<()> {
+        assert_eq!(
+            filename(&read(
+                "tests/files/2on2_sf_vs_red[frobodm2]220104-0915.mvd"
+            )?)?,
+            "2on2_sf_vs_red[frobodm2]220104-0915.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read("tests/files/4on4_oeks_vs_tsq[dm2]20240426-1716.mvd")?)?,
+            "4on4_oeks_vs_tsq[dm2]20240426-1716.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read("tests/files/ctf_blue_vs_red[ctf5]20240520-1925.mvd")?)?,
+            "ctf_blue_vs_red[ctf5]20240520-1925.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read(
+                "tests/files/duel_equ_vs_kaboom[povdmm4]20240422-1038.mvd"
+            )?)?,
+            "duel_equ_vs_kaboom[povdmm4]20240422-1038.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read(
+                "tests/files/duel_holy_vs_dago[bravado]20240426-1659.mvd"
+            )?)?,
+            "duel_holy_vs_dago[bravado]20240426-1659.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read("tests/files/ffa_5[dm4]20240501-1229.mvd")?)?,
+            "ffa_5[dm4]20240501-1229.mvd".to_string()
+        );
+
+        assert_eq!(
+            filename(&read(
+                "tests/files/wipeout_red_vs_blue[q3dm6qw]20240406-2028.mvd"
+            )?)?,
+            "wipeout_red_vs_blue[q3dm6qw]20240406-2028.mvd".to_string()
+        );
+
+        Ok(())
+    }
+}

src/lib.rs

@@ -8,6 +8,7 @@ pub use team::Team;
 
 pub use crate::clientinfo::clientinfo;
 pub use crate::duration::{countdown_duration, demo_duration, match_duration};
+pub use crate::filename::filename;
 pub use crate::frags::frags_per_player_name;
 pub use crate::ktxstats::{ktxstats_string, ktxstats_v3};
 pub use crate::players::players;
@@ -42,6 +43,7 @@ mod client;
 mod clientinfo;
 mod clients;
 mod duration;
+mod filename;
 mod flags;
 mod frags;
 mod ktxstats;