From e7e30f219c0129db7cb72f04e200098417ce25d0 Mon Sep 17 00:00:00 2001
From: Navan Chauhan <navanchauhan@gmail.com>
Date: Wed, 17 Apr 2024 12:02:38 -0600
Subject: initial commit

---
 Sources/SwiftChessNeo/Color.swift | 83 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Sources/SwiftChessNeo/Color.swift

(limited to 'Sources/SwiftChessNeo/Color.swift')

diff --git a/Sources/SwiftChessNeo/Color.swift b/Sources/SwiftChessNeo/Color.swift
new file mode 100644
index 0000000..39d63a4
--- /dev/null
+++ b/Sources/SwiftChessNeo/Color.swift
@@ -0,0 +1,83 @@
+//
+//  Color.swift
+//  Sage
+//
+//  Copyright 2016-2017 Nikolai Vazquez
+//  Modified by SuperGeroy
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+/// A chess color.
+public enum Color: String, CustomStringConvertible {
+
+    /// White chess color.
+    case white
+
+    /// Black chess color.
+    case black
+
+    /// White color regardless of Swift version.
+    internal static let _white = Color.white
+
+    /// Black color regardless of Swift version.
+    internal static let _black = Color.black
+
+    /// An array of all colors.
+    public static let all: [Color] = [.white, .black]
+
+    /// Whether the color is white or not.
+    public var isWhite: Bool {
+        return self == ._white
+    }
+
+    /// Whether the color is black or not.
+    public var isBlack: Bool {
+        return self == ._black
+    }
+
+    /// A textual representation of `self`.
+    public var description: String {
+        return rawValue
+    }
+
+    /// The numeric representation of `self`. `White` is "0", `Black` is "1".
+    public var numericValue: Int {
+        return self.isWhite ? 0 : 1
+    }
+    
+    /// The lowercase character for the color. `White` is "w", `Black` is "b".
+    public var character: Character {
+        return self.isWhite ? "w" : "b"
+    }
+
+    /// Create a color from a character of any case.
+    public init?(character: Character) {
+        switch character {
+        case "W", "w": self = ._white
+        case "B", "b": self = ._black
+        default: return nil
+        }
+    }
+
+    /// Returns the inverse of `self`.
+    public func inverse() -> Color {
+        return self.isWhite ? ._black : ._white
+    }
+
+    /// Inverts the color of `self`.
+    public mutating func invert() {
+        self = inverse()
+    }
+
+}
-- 
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