more yaml read/write flexibility: strings

OpenRa.FileFormats/MiniYaml.cs

@@ -21,10 +21,8 @@ namespace OpenRa.FileFormats
 			Nodes = nodes;
 		}
 
-		public static Dictionary<string, MiniYaml> FromFile( string path )
+		static Dictionary<string, MiniYaml> FromLines(string[] lines)
 		{
-			var lines = File.ReadAllLines( path );
-
 			var levels = new List<Dictionary<string, MiniYaml>>();
 			levels.Add(new Dictionary<string, MiniYaml>());
 
@@ -57,6 +55,16 @@ namespace OpenRa.FileFormats
 			return levels[0];
 		}
 
+		public static Dictionary<string, MiniYaml> FromFile( string path )
+		{
+			return FromLines(File.ReadAllLines( path ));
+		}
+
+		public static Dictionary<string, MiniYaml> FromString(string text)
+		{
+			return FromLines(text.Split('\n'));
+		}
+
 		public static Dictionary<string, MiniYaml> Merge( Dictionary<string, MiniYaml> a, Dictionary<string, MiniYaml> b )
 		{
 			if( a.Count == 0 )
@@ -116,6 +124,11 @@ namespace OpenRa.FileFormats
 			File.WriteAllLines(filename, y.ToLines(true).Select(x => x.TrimEnd()).ToArray());
 		}
 
+		public static string WriteToString(this MiniYamlNodes y)
+		{
+			return string.Join("\n", y.ToLines(true).Select(x => x.TrimEnd()).ToArray());
+		}
+
 		public static IEnumerable<string> ToLines(this MiniYamlNodes y, bool lowest)
 		{
 			foreach (var kv in y)