Everything is now OpenRA, not OpenRa

OpenRA.FileFormats/FieldLoader.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using System.Reflection;
+
+namespace OpenRA.FileFormats
+{
+	public static class FieldLoader
+	{
+		public static void Load(object self, IniSection ini)
+		{
+			foreach (var x in ini)
+			{
+				var field = self.GetType().GetField(x.Key.Trim());
+				if (field == null)
+					throw new NotImplementedException("Missing field `{0}` on `{1}`".F(x.Key.Trim(), self.GetType().Name));
+				field.SetValue(self, GetValue(field.FieldType, x.Value.Trim()));
+			}
+		}
+
+		public static void Load(object self, MiniYaml my)
+		{
+			foreach (var x in my.Nodes)
+			{
+				var field = self.GetType().GetField(x.Key.Trim());
+				if (field == null)
+					throw new NotImplementedException("Missing field `{0}` on `{1}`".F(x.Key.Trim(), self.GetType().Name));
+				field.SetValue(self, GetValue(field.FieldType, x.Value.Value));
+			}
+		}
+
+		public static object GetValue( Type fieldType, string x )
+		{
+			if (x != null) x = x.Trim();
+			if( fieldType == typeof( int ) )
+				return int.Parse( x );
+
+			else if (fieldType == typeof(float))
+				return float.Parse(x.Replace("%","")) * (x.Contains( '%' ) ? 0.01f : 1f);
+
+			else if (fieldType == typeof(string))
+				return x;
+
+			else if (fieldType.IsEnum)
+				return Enum.Parse(fieldType, x, true);
+
+			else if (fieldType == typeof(bool))
+				return ParseYesNo(x);
+
+			else if (fieldType.IsArray)
+			{
+				if (x == null)
+					return Array.CreateInstance(fieldType.GetElementType(), 0);
+
+				var parts = x.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+
+				var ret = Array.CreateInstance(fieldType.GetElementType(), parts.Length);
+				for (int i = 0; i < parts.Length; i++)
+					ret.SetValue(GetValue(fieldType.GetElementType(), parts[i].Trim()), i);
+				return ret;
+			}
+			else if (fieldType == typeof(int2))
+			{
+				var parts = x.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new int2(int.Parse(parts[0]), int.Parse(parts[1]));
+			}
+			else
+				throw new InvalidOperationException("FieldLoader: don't know how to load field of type " + fieldType.ToString());
+		}
+
+		static bool ParseYesNo( string p )
+		{
+			p = p.ToLowerInvariant();
+			if( p == "yes" ) return true;
+			if( p == "true" ) return true;
+			if( p == "no" ) return false;
+			if( p == "false" ) return false;
+			throw new InvalidOperationException();
+		}
+	}
+
+	public static class FieldSaver
+	{
+		public static MiniYaml Save(object o)
+		{
+			return new MiniYaml(null, o.GetType().GetFields(BindingFlags.Public | BindingFlags.Instance)
+				.ToDictionary(
+					f => f.Name,
+					f => new MiniYaml(FormatValue(o, f))));
+		}
+
+		static string FormatValue(object o, FieldInfo f)
+		{
+			var v = f.GetValue(o);
+			return f.FieldType.IsArray
+				? string.Join(",", ((Array)v).OfType<object>().Select(a => a.ToString()).ToArray())
+				: v.ToString();
+		}
+	}
+}