From 00300bb24d8b0c1b6178ac5a45d405107a84fe5d Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Mon, 16 Mar 2020 13:16:59 +1000
Subject: [PATCH] ensure rated ease in range

---
 rslib/src/search/parser.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/rslib/src/search/parser.rs b/rslib/src/search/parser.rs
index e102070a2..74101ba56 100644
--- a/rslib/src/search/parser.rs
+++ b/rslib/src/search/parser.rs
@@ -279,11 +279,19 @@ fn parse_flag(s: &str) -> ParseResult<SearchNode<'static>> {
 }
 
 /// eg rated:3 or rated:10:2
+/// second arg must be between 1-4
 fn parse_rated(val: &str) -> ParseResult<SearchNode<'static>> {
     let mut it = val.splitn(2, ':');
     let days = it.next().unwrap().parse()?;
     let ease = match it.next() {
-        Some(v) => Some(v.parse()?),
+        Some(v) => {
+            let n: u8 = v.parse()?;
+            if n < 5 && n > 0 {
+                Some(n)
+            } else {
+                return Err(ParseError {});
+            }
+        }
         None => None,
     };