From a88db09e37142d055c155716a3592fa31d3ef377 Mon Sep 17 00:00:00 2001
From: Michal Moskal <michal@moskal.me>
Date: Sat, 30 Nov 2024 10:26:37 -0800
Subject: [PATCH] don't use lazy_static (opt dep) in lookup_format

---
 parser/src/json/formats.rs | 78 +++++++++++++++-----------------------
 1 file changed, 30 insertions(+), 48 deletions(-)

diff --git a/parser/src/json/formats.rs b/parser/src/json/formats.rs
index 3ec381c3..911972b6 100644
--- a/parser/src/json/formats.rs
+++ b/parser/src/json/formats.rs
@@ -1,50 +1,32 @@
-use lazy_static::lazy_static;
-use std::collections::HashMap;
-
-lazy_static! {
-    static ref FORMAT_PATTERNS: HashMap<&'static str, &'static str> = {
-        HashMap::from([
-            (
-                "date-time",
-                r"(?P<date>[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12][0-9]|3[01]))[tT](?P<time>(?:[01][0-9]|2[0-3]):[0-5][0-9]:(?:[0-5][0-9]|60)(?P<time_fraction>\.[0-9]+)?(?P<time_zone>[zZ]|[+-](?:[01][0-9]|2[0-3]):[0-5][0-9]))",
-            ),
-            (
-                "time",
-                r"(?:[01][0-9]|2[0-3]):[0-5][0-9]:(?:[0-5][0-9]|60)(?P<time_fraction>\.[0-9]+)?(?P<time_zone>[zZ]|[+-](?:[01][0-9]|2[0-3]):[0-5][0-9])",
-            ),
-            (
-                "date",
-                r"[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12][0-9]|3[01])",
-            ),
-            (
-                "duration",
-                r"P(?:(?P<dur_date>(?:(?P<dur_year>[0-9]+Y(?:[0-9]+M(?:[0-9]+D)?)?)|(?P<dur_month>[0-9]+M(?:[0-9]+D)?)|(?P<dur_day>[0-9]+D))(?:T(?:(?P<dur_hour>[0-9]+H(?:[0-9]+M(?:[0-9]+S)?)?)|(?P<dur_minute>[0-9]+M(?:[0-9]+S)?)|(?P<dur_second>[0-9]+S)))?)|(?P<dur_time>T(?:(?P<dur_hour2>[0-9]+H(?:[0-9]+M(?:[0-9]+S)?)?)|(?P<dur_minute2>[0-9]+M(?:[0-9]+S)?)|(?P<dur_second2>[0-9]+S)))|(?P<dur_week>[0-9]+W))",
-            ),
-            (
-                "email",
-                r"(?P<local_part>(?P<dot_string>[^\s@\.]+(\.[^\s@\.]+)*))@((?P<domain>(?P<sub_domain>[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?)(\.(?P<sub_domain2>[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?))*)|\[(?P<ipv4>((([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))\.){3}(([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9]))))\])",
-            ),
-            (
-                "hostname",
-                r"[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*",
-            ),
-            (
-                "ipv4",
-                r"((([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))\.){3}(([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))",
-            ),
-            (
-                "ipv6",
-                r"(?:(?P<full>(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}))|(?:::(?:[0-9a-fA-F]{1,4}:){0,5}(?P<ls32>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:(?P<h16_1>[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,4}(?P<ls32_1>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,1}[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,3}(?P<ls32_2>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,2}[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,2}(?P<ls32_3>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,3}[0-9a-fA-F]{1,4})?::[0-9a-fA-F]{1,4}:(?P<ls32_4>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,4}[0-9a-fA-F]{1,4})?::(?P<ls32_5>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,5}[0-9a-fA-F]{1,4})?::(?P<h16_2>[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4})?::)",
-            ),
-            (
-                "uuid",
-                r"(?P<time_low>[0-9a-fA-F]{8})-(?P<time_mid>[0-9a-fA-F]{4})-(?P<time_high_and_version>[0-9a-fA-F]{4})-(?P<clock_seq_and_reserved>[0-9a-fA-F]{2})(?P<clock_seq_low>[0-9a-fA-F]{2})-(?P<node>[0-9a-fA-F]{12})",
-            ),
-            ("unknown", r"(?s:.*)"),
-        ])
-    };
-}
-
 pub fn lookup_format(name: &str) -> Option<&str> {
-    FORMAT_PATTERNS.get(name).copied()
+    let r = match name {
+        "date-time" => {
+            r"(?P<date>[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12][0-9]|3[01]))[tT](?P<time>(?:[01][0-9]|2[0-3]):[0-5][0-9]:(?:[0-5][0-9]|60)(?P<time_fraction>\.[0-9]+)?(?P<time_zone>[zZ]|[+-](?:[01][0-9]|2[0-3]):[0-5][0-9]))"
+        }
+        "time" => {
+            r"(?:[01][0-9]|2[0-3]):[0-5][0-9]:(?:[0-5][0-9]|60)(?P<time_fraction>\.[0-9]+)?(?P<time_zone>[zZ]|[+-](?:[01][0-9]|2[0-3]):[0-5][0-9])"
+        }
+        "date" => r"[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12][0-9]|3[01])",
+        "duration" => {
+            r"P(?:(?P<dur_date>(?:(?P<dur_year>[0-9]+Y(?:[0-9]+M(?:[0-9]+D)?)?)|(?P<dur_month>[0-9]+M(?:[0-9]+D)?)|(?P<dur_day>[0-9]+D))(?:T(?:(?P<dur_hour>[0-9]+H(?:[0-9]+M(?:[0-9]+S)?)?)|(?P<dur_minute>[0-9]+M(?:[0-9]+S)?)|(?P<dur_second>[0-9]+S)))?)|(?P<dur_time>T(?:(?P<dur_hour2>[0-9]+H(?:[0-9]+M(?:[0-9]+S)?)?)|(?P<dur_minute2>[0-9]+M(?:[0-9]+S)?)|(?P<dur_second2>[0-9]+S)))|(?P<dur_week>[0-9]+W))"
+        }
+        "email" => {
+            r"(?P<local_part>(?P<dot_string>[^\s@\.]+(\.[^\s@\.]+)*))@((?P<domain>(?P<sub_domain>[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?)(\.(?P<sub_domain2>[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?))*)|\[(?P<ipv4>((([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))\.){3}(([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9]))))\])"
+        }
+        "hostname" => {
+            r"[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*"
+        }
+        "ipv4" => {
+            r"((([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))\.){3}(([0-9])|(([1-9])[0-9]|(25[0-5]|(2[0-4]|(1)[0-9])[0-9])))"
+        }
+        "ipv6" => {
+            r"(?:(?P<full>(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}))|(?:::(?:[0-9a-fA-F]{1,4}:){0,5}(?P<ls32>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:(?P<h16_1>[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,4}(?P<ls32_1>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,1}[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,3}(?P<ls32_2>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,2}[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){0,2}(?P<ls32_3>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,3}[0-9a-fA-F]{1,4})?::[0-9a-fA-F]{1,4}:(?P<ls32_4>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,4}[0-9a-fA-F]{1,4})?::(?P<ls32_5>[0-9a-fA-F]{1,4}:[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,5}[0-9a-fA-F]{1,4})?::(?P<h16_2>[0-9a-fA-F]{1,4}))|(?:((?:[0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4})?::)"
+        }
+        "uuid" => {
+            r"(?P<time_low>[0-9a-fA-F]{8})-(?P<time_mid>[0-9a-fA-F]{4})-(?P<time_high_and_version>[0-9a-fA-F]{4})-(?P<clock_seq_and_reserved>[0-9a-fA-F]{2})(?P<clock_seq_low>[0-9a-fA-F]{2})-(?P<node>[0-9a-fA-F]{12})"
+        }
+        "unknown" => r"(?s:.*)",
+        _ => return None,
+    };
+    Some(r)
 }