Antigravity 초안

2026-01-08 15:32:15 +09:00
commit 12262b4479
32 changed files with 3048 additions and 0 deletions
--- a/ExcelKv.Core/SiUnit.cs
+++ b/ExcelKv.Core/SiUnit.cs
@@ -0,0 +1,69 @@
+namespace ExcelKv.Core.Units;
+
+public enum UnitCategory
+{
+    None = 0,
+    Length,
+    Area,
+    Volume,
+    Weight,
+    Count, // ex: EA, Set
+    Time   // ex: Hour, Day
+}
+
+public enum SiUnit
+{
+    // Default
+    None = 0,
+
+    // Length (Base: Meter)
+    Meter = 100,
+    Millimeter = 101,
+    Centimeter = 102,
+    Kilometer = 103,
+
+    // Area (Base: SquareMeter)
+    SquareMeter = 200,
+    Hectare = 201,
+
+    // Volume (Base: CubicMeter)
+    CubicMeter = 300,
+    Liter = 301,
+
+    // Weight/Mass (Base: Kilogram)
+    Kilogram = 400,
+    Ton = 401,
+    Gram = 402,
+
+    // Count
+    Each = 900,
+    Set = 901
+}
+
+public static class SiUnitExtensions 
+{
+    public static UnitCategory GetCategory(this SiUnit unit)
+    {
+        int id = (int)unit;
+        if (id >= 100 && id < 200) return UnitCategory.Length;
+        if (id >= 200 && id < 300) return UnitCategory.Area;
+        if (id >= 300 && id < 400) return UnitCategory.Volume;
+        if (id >= 400 && id < 500) return UnitCategory.Weight;
+        if (id >= 900 && id < 1000) return UnitCategory.Count;
+        return UnitCategory.None;
+    }
+
+    public static string ToSymbol(this SiUnit unit) => unit switch
+    {
+        SiUnit.Meter => "m",
+        SiUnit.Millimeter => "mm",
+        SiUnit.Centimeter => "cm",
+        SiUnit.Kilometer => "km",
+        SiUnit.SquareMeter => "m2",
+        SiUnit.CubicMeter => "m3",
+        SiUnit.Kilogram => "kg",
+        SiUnit.Ton => "ton",
+        SiUnit.Each => "EA",
+        _ => ""
+    };
+}