[DatItemKV] Create skeleton of new DatItem concept

SabreTools.Helper/Objects/Dat/DatItemKV.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Specialized;
+using System.Linq;
+
+namespace SabreTools.Helper
+{
+	public class DatItemKV : IEquatable<DatItemKV>
+	{
+		// Private instance variables
+		private string _name;
+		private NameValueCollection _attributes;
+
+		// Public instance variables
+		public string Name
+		{
+			get { return _name; }
+			set { _name = value; }
+		}
+		public string Type
+		{
+			get { return _name; }
+			set { _name = value; }
+		}
+		public string[] this[string s]
+		{
+			get
+			{
+				if (_attributes == null)
+				{
+					_attributes = new NameValueCollection();
+				}
+
+				return _attributes.GetValues(s);
+			}
+		}
+
+		// Constructors
+		public DatItemKV(string name)
+		{
+			_name = name;
+			_attributes = new NameValueCollection();
+		}
+
+		// Comparison methods
+		public bool Equals(DatItemKV other)
+		{
+			// If the types don't match, then it's not the same
+			if (_name != other.Type)
+			{
+				return false;
+			}
+
+			// Otherwise, loop through and compare against what you can
+			bool success = true;
+			foreach (string key in _attributes.Keys)
+			{
+				string[] vals = _attributes.GetValues(key);
+				string[] ovals = other.GetValues(key);
+
+				// TODO: This does a flat check on all items. This needs to have some finesse when it comes to comparing hashes and sizes for roms,
+				// disks, and files since they are all separate now
+
+				// http://stackoverflow.com/questions/649444/testing-equality-of-arrays-in-c-sharp
+				var q = from a in vals
+						join b in ovals on a equals b
+						select a;
+
+				success &= vals.Length == ovals.Length && q.Count() == vals.Length;
+			}
+
+			return success;
+		}
+
+		// Instance methods
+		public void Add(string name, string value)
+		{
+			_attributes.Add(name, value);
+		}
+		public string Get(string name)
+		{
+			return _attributes.Get(name);
+		}
+		public string Get(int index)
+		{
+			return _attributes.Get(index);
+		}
+		public string[] GetValues(string name)
+		{
+			return _attributes.GetValues(name);
+		}
+		public string[] GetValues(int index)
+		{
+			return _attributes.GetValues(index);
+		}
+	}
+}