From 2b6973d9ca250ce8d9266348d3469aef1aed1d1e Mon Sep 17 00:00:00 2001
From: nixzhu <zhuhongxu@gmail.com>
Date: Fri, 21 Jun 2024 10:10:32 +0800
Subject: [PATCH] support Linux

---
 Package.swift                             | 62 +++++++++++++++--------
 Sources/Ananda/AnandaValueExtractor.swift | 54 ++++++++++++++++++--
 2 files changed, 92 insertions(+), 24 deletions(-)

diff --git a/Package.swift b/Package.swift
index 8cf5a10..41df178 100644
--- a/Package.swift
+++ b/Package.swift
@@ -2,6 +2,46 @@
 
 import PackageDescription
 
+#if os(Linux)
+let packageDependencies: [Package.Dependency] = [
+    .package(
+        url: "https://github.com/ibireme/yyjson.git",
+        from: "0.9.0"
+    ),
+]
+#else
+let packageDependencies: [Package.Dependency] = [
+    .package(
+        url: "https://github.com/ibireme/yyjson.git",
+        from: "0.9.0"
+    ),
+    .package(
+        url: "https://github.com/michaeleisel/JJLISO8601DateFormatter.git",
+        from: "0.1.8"
+    ),
+]
+#endif
+
+#if os(Linux)
+let targetDependencies: [Target.Dependency] = [
+    .product(
+        name: "yyjson",
+        package: "yyjson"
+    ),
+]
+#else
+let targetDependencies: [Target.Dependency] = [
+    .product(
+        name: "yyjson",
+        package: "yyjson"
+    ),
+    .product(
+        name: "JJLISO8601DateFormatter",
+        package: "JJLISO8601DateFormatter"
+    ),
+]
+#endif
+
 let package = Package(
     name: "Ananda",
     products: [
@@ -10,29 +50,11 @@ let package = Package(
             targets: ["Ananda"]
         ),
     ],
-    dependencies: [
-        .package(
-            url: "https://github.com/ibireme/yyjson.git",
-            from: "0.9.0"
-        ),
-        .package(
-            url: "https://github.com/michaeleisel/JJLISO8601DateFormatter.git",
-            from: "0.1.8"
-        ),
-    ],
+    dependencies: packageDependencies,
     targets: [
         .target(
             name: "Ananda",
-            dependencies: [
-                .product(
-                    name: "yyjson",
-                    package: "yyjson"
-                ),
-                .product(
-                    name: "JJLISO8601DateFormatter",
-                    package: "JJLISO8601DateFormatter"
-                ),
-            ],
+            dependencies: targetDependencies,
             swiftSettings: [
                 .enableExperimentalFeature("StrictConcurrency"),
             ]
diff --git a/Sources/Ananda/AnandaValueExtractor.swift b/Sources/Ananda/AnandaValueExtractor.swift
index 4989810..22401d6 100644
--- a/Sources/Ananda/AnandaValueExtractor.swift
+++ b/Sources/Ananda/AnandaValueExtractor.swift
@@ -1,5 +1,8 @@
 import Foundation
+
+#if !os(Linux)
 import JJLISO8601DateFormatter
+#endif
 
 /// AnandaValueExtractor
 ///
@@ -82,9 +85,15 @@ public struct AnandaValueExtractor: Sendable {
                     return .init(timeIntervalSince1970: value)
                 }
 
+                #if os(Linux)
+                if let date = ISO8601DateFormatter.ananda_date(from: string) {
+                    return date
+                }
+                #else
                 if let date = JJLISO8601DateFormatter.ananda_date(from: string) {
                     return date
                 }
+                #endif
             }
 
             return nil
@@ -114,7 +123,43 @@ public struct AnandaValueExtractor: Sendable {
     }
 }
 
-extension JJLISO8601DateFormatter: @unchecked Sendable {
+#if os(Linux)
+extension ISO8601DateFormatter {
+    public static func ananda_date(from string: String) -> Date? {
+        if let date = ananda_iso8601A.date(from: string) {
+            return date
+        }
+
+        if let date = ananda_iso8601B.date(from: string) {
+            return date
+        }
+
+        return nil
+    }
+
+    private nonisolated(unsafe) static let ananda_iso8601A: ISO8601DateFormatter = {
+        let dateFormatter = ISO8601DateFormatter()
+
+        dateFormatter.formatOptions = [
+            .withInternetDateTime,
+            .withFractionalSeconds,
+        ]
+
+        return dateFormatter
+    }()
+
+    private nonisolated(unsafe) static let ananda_iso8601B: ISO8601DateFormatter = {
+        let dateFormatter = ISO8601DateFormatter()
+
+        dateFormatter.formatOptions = [
+            .withInternetDateTime,
+        ]
+
+        return dateFormatter
+    }()
+}
+#else
+extension JJLISO8601DateFormatter {
     public static func ananda_date(from string: String) -> Date? {
         if let date = ananda_iso8601A.date(from: string) {
             return date
@@ -127,7 +172,7 @@ extension JJLISO8601DateFormatter: @unchecked Sendable {
         return nil
     }
 
-    private static let ananda_iso8601A: JJLISO8601DateFormatter = {
+    private nonisolated(unsafe) static let ananda_iso8601A: JJLISO8601DateFormatter = {
         let dateFormatter = JJLISO8601DateFormatter()
 
         dateFormatter.formatOptions = [
@@ -138,7 +183,7 @@ extension JJLISO8601DateFormatter: @unchecked Sendable {
         return dateFormatter
     }()
 
-    private static let ananda_iso8601B: JJLISO8601DateFormatter = {
+    private nonisolated(unsafe) static let ananda_iso8601B: JJLISO8601DateFormatter = {
         let dateFormatter = JJLISO8601DateFormatter()
 
         dateFormatter.formatOptions = [
@@ -148,9 +193,10 @@ extension JJLISO8601DateFormatter: @unchecked Sendable {
         return dateFormatter
     }()
 }
+#endif
 
 extension CharacterSet {
-    public static let ananda_url: Self = {
+    public nonisolated(unsafe) static let ananda_url: Self = {
         var set = CharacterSet.urlQueryAllowed
         set.insert("#")
         set.formUnion(.urlPathAllowed)