Add shared packages

src/Tribufu.Configuration/ConfigurationManager.cs

@@ -0,0 +1,53 @@
+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+using Microsoft.Extensions.Configuration;
+using System.IO;
+using Tomlyn.Extensions.Configuration;
+using Tribufu.Logging;
+using Tribufu.Runtime;
+
+namespace Tribufu.Configuration
+{
+    public static class ConfigurationManager
+    {
+        public static IConfiguration Configuration { get; private set; }
+
+        public static IConfiguration Load(string[] fileNames)
+        {
+            var configDirectory = ApplicationContext.GetConfigDirectory();
+            var configurationBuilder = new ConfigurationBuilder();
+            configurationBuilder.AddEnvironmentVariables();
+
+            foreach (var fileName in fileNames)
+            {
+                var fullPath = Path.Combine(configDirectory, fileName);
+                if (!File.Exists(fullPath))
+                {
+                    Logger.Debug($"Config file '{fullPath}' not found, skipping.");
+                    continue;
+                }
+
+                var ext = Path.GetExtension(fullPath).ToLowerInvariant();
+                switch (ext)
+                {
+                    case ".ini":
+                        configurationBuilder.AddIniFile(fullPath, true, false);
+                        break;
+                    case ".json":
+                        configurationBuilder.AddJsonFile(fullPath, true, false);
+                        break;
+                    case ".toml":
+                        configurationBuilder.AddTomlFile(fullPath, true, false);
+                        break;
+                    default:
+                        Logger.Warn($"Unsupported config file extension: {ext}");
+                        break;
+                }
+            }
+
+            Configuration = configurationBuilder.Build();
+            return Configuration;
+        }
+    }
+}