Add requires, exclusive and recommended fragments interpreted by the builder

docker-compose-generator/src/FragmentName.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DockerGenerator
+{
+	public class FragmentName
+	{
+		public FragmentName(string fragmentName)
+		{
+			if (fragmentName == null)
+				throw new ArgumentNullException(nameof(fragmentName));
+			Name = fragmentName.Trim().ToLowerInvariant();
+			if (Name.EndsWith(".yml", StringComparison.OrdinalIgnoreCase))
+				Name = Name.Substring(0, Name.Length - 4);
+		}
+		public string Name { get; }
+
+		public override bool Equals(object obj)
+		{
+			FragmentName item = obj as FragmentName;
+			if (item == null)
+				return false;
+			return Name.Equals(item.Name);
+		}
+		public static bool operator ==(FragmentName a, FragmentName b)
+		{
+			if (System.Object.ReferenceEquals(a, b))
+				return true;
+			if (((object)a == null) || ((object)b == null))
+				return false;
+			return a.Name == b.Name;
+		}
+
+		public static bool operator !=(FragmentName a, FragmentName b)
+		{
+			return !(a == b);
+		}
+
+		public override int GetHashCode()
+		{
+			return Name.GetHashCode();
+		}
+		public override string ToString()
+		{
+			return Name;
+		}
+	}
+}