add EarlyConstants for constants needed before external DLLs are loaded

1 files changed, 57 insertions, 0 deletions

diff --git a/src/SMAPI.Toolkit/Utilities/EnvironmentUtility.cs b/src/SMAPI.Toolkit/Utilities/EnvironmentUtility.cs
new file mode 100644
index 00000000..4ef578f7
--- /dev/null
+++ b/src/SMAPI.Toolkit/Utilities/EnvironmentUtility.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using StardewModdingAPI.Toolkit.Framework;
+
+namespace StardewModdingAPI.Toolkit.Utilities
+{
+    /// <summary>Provides methods for fetching environment information.</summary>
+    public static class EnvironmentUtility
+    {
+        /*********
+        ** Fields
+        *********/
+        /// <summary>The cached platform.</summary>
+        private static Platform? CachedPlatform;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Detect the current OS.</summary>
+        public static Platform DetectPlatform()
+        {
+            Platform? platform = EnvironmentUtility.CachedPlatform;
+
+            if (platform == null)
+            {
+                string rawPlatform = LowLevelEnvironmentUtility.DetectPlatform();
+                EnvironmentUtility.CachedPlatform = platform = (Platform)Enum.Parse(typeof(Platform), rawPlatform, ignoreCase: true);
+            }
+
+            return platform.Value;
+        }
+
+
+        /// <summary>Get the human-readable OS name and version.</summary>
+        /// <param name="platform">The current platform.</param>
+        [SuppressMessage("ReSharper", "EmptyGeneralCatchClause", Justification = "Error suppressed deliberately to fallback to default behaviour.")]
+        public static string GetFriendlyPlatformName(Platform platform)
+        {
+            return LowLevelEnvironmentUtility.GetFriendlyPlatformName(platform.ToString());
+        }
+
+        /// <summary>Get the name of the Stardew Valley executable.</summary>
+        /// <param name="platform">The current platform.</param>
+        public static string GetExecutableName(Platform platform)
+        {
+            return LowLevelEnvironmentUtility.GetExecutableName(platform.ToString());
+        }
+
+        /// <summary>Get whether the platform uses Mono.</summary>
+        /// <param name="platform">The current platform.</param>
+        public static bool IsMono(this Platform platform)
+        {
+            return LowLevelEnvironmentUtility.IsMono(platform.ToString());
+        }
+    }
+}