From 67d4e28773222750003cfbb4139146162150a4d6 Mon Sep 17 00:00:00 2001
From: Max Bradbury <max@tinybird.info>
Date: Sun, 18 Oct 2020 13:51:42 +0100
Subject: [PATCH] actually throw error on bad dialogue

---
 src/dialogue.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/dialogue.rs b/src/dialogue.rs
index 09660f5..4cdcc82 100644
--- a/src/dialogue.rs
+++ b/src/dialogue.rs
@@ -12,11 +12,19 @@ pub struct Dialogue {
 impl Dialogue {
     pub fn from_str(str: &str) -> Result<Dialogue, crate::Error> {
         let mut lines: Vec<&str> = str.lines().collect();
+
+        if lines.is_empty() || !lines[0].starts_with("DLG ") {
+            return Err(crate::Error::Dialogue);
+        }
+
         let id = lines[0].replace("DLG ", "");
 
-        let name = if lines.last().unwrap().starts_with("NAME ") {
-            Some(lines.pop().unwrap().replace("NAME ", ""))
+        let last_line = lines.pop().unwrap();
+
+        let name = if last_line.starts_with("NAME ") {
+            Some(last_line.replace("NAME ", ""))
         } else {
+            lines.push(last_line);
             None
         };