(ded4a3e0a) v0.9.0.7

Libraries/MonoGame.Framework/Src/MonoGame.Framework/TitleContainer.cs

@@ -0,0 +1,75 @@
+// MonoGame - Copyright (C) The MonoGame Team
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE.txt', which is part of this source code package.
+
+using System;
+using System.IO;
+using MonoGame.Utilities;
+
+namespace Microsoft.Xna.Framework
+{
+    public static partial class TitleContainer
+    {
+        static partial void PlatformInit();
+
+        static TitleContainer() 
+        {
+            Location = string.Empty;
+            PlatformInit();
+        }
+
+        static internal string Location { get; private set; }
+
+        /// <summary>
+        /// Returns an open stream to an exsiting file in the title storage area.
+        /// </summary>
+        /// <param name="name">The filepath relative to the title storage area.</param>
+        /// <returns>A open stream or null if the file is not found.</returns>
+        public static Stream OpenStream(string name)
+        {
+            if (string.IsNullOrEmpty(name))
+                throw new ArgumentNullException("name");
+
+            // We do not accept absolute paths here.
+            if (Path.IsPathRooted(name))
+                throw new ArgumentException("Invalid filename. TitleContainer.OpenStream requires a relative path.", name);
+
+            // Normalize the file path.
+            var safeName = NormalizeRelativePath(name);
+
+            // Call the platform code to open the stream.  Any errors
+            // at this point should result in a file not found.
+            Stream stream;
+            try
+            {
+                stream = PlatformOpenStream(safeName);
+                if (stream == null)
+                    throw FileNotFoundException(name, null);
+            }
+            catch (FileNotFoundException)
+            {
+                throw;
+            }
+            catch (Exception ex)
+            {
+                throw new FileNotFoundException(name, ex);
+            }
+
+            return stream;
+        }
+
+        private static Exception FileNotFoundException(string name, Exception inner)
+        {
+            return new FileNotFoundException("Error loading \"" + name + "\". File not found.", inner);
+        }
+
+        internal static string NormalizeRelativePath(string name)
+        {
+            var uri = new Uri("file:///" + name);
+            var path = uri.LocalPath;
+            path = path.Substring(1);
+            return path.Replace(FileHelpers.NotSeparator, FileHelpers.Separator);
+        }
+    }
+}
+