From 5e59752322f8aff47b2f6b7ce333e423c7b27392 Mon Sep 17 00:00:00 2001
From: patrick-zippenfenig <patrick@zippenfenig.de>
Date: Sun, 7 Aug 2022 14:15:58 +0200
Subject: [PATCH] option to set database path

---
 .../SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift    | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Sources/SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift b/Sources/SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift
index ca0e4bf..b86e724 100644
--- a/Sources/SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift
+++ b/Sources/SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift
@@ -25,7 +25,17 @@ public final class SwiftTimeZoneLookup {
     private let database16: OpaquePointer
     
     /// Throws if the timezone database could not be opened
-    public init() throws {
+    /// If an optional `databasePath` is provided, it tries first to uses this path and then uses the default bundle resources path
+    public init(databasePath: String? = nil) throws {
+        if let databasePath = databasePath,
+            let database21 = ZDOpenDatabase("\(databasePath)timezone21.bin"),
+            let database16 = ZDOpenDatabase("\(databasePath)timezone16.bin")
+        {
+                self.database21 = database21
+                self.database16 = database16
+                return
+        }
+        
         guard let timezone21 = Bundle.module.path(forResource: "timezone21", ofType: "bin") else {
             throw SwiftTimeZoneLookupError.couldNotFindTimezone21bin
         }