EP 0.1.1 Symbolization

Convention/[Runtime]/EasySave/Streams/EasySaveFileStream.cs

@@ -0,0 +1,68 @@
+using System.IO;
+
+namespace Convention.EasySave.Internal
+{
+	public enum EasySaveFileMode {Read, Write, Append}
+
+	public class EasySaveFileStream : FileStream
+	{
+		private bool isDisposed = false;
+
+		public EasySaveFileStream( string path, EasySaveFileMode fileMode, int bufferSize, bool useAsync)
+			: base( GetPath(path, fileMode), GetFileMode(fileMode), GetFileAccess(fileMode), FileShare.None, bufferSize, useAsync)
+		{
+		}
+
+		// Gets a temporary path if necessary.
+		protected static string GetPath(string path, EasySaveFileMode fileMode)
+		{
+			string directoryPath = EasySaveIO.GetDirectoryPath(path);
+            // Attempt to create the directory incase it does not exist if we are storing data.
+            if (fileMode != EasySaveFileMode.Read && directoryPath != EasySaveIO.persistentDataPath)
+				EasySaveIO.CreateDirectory(directoryPath);
+			if(fileMode != EasySaveFileMode.Write || fileMode == EasySaveFileMode.Append)
+				return path;
+			return (fileMode == EasySaveFileMode.Write) ? path + EasySaveIO.temporaryFileSuffix : path;
+		}
+
+		protected static FileMode GetFileMode(EasySaveFileMode fileMode)
+		{
+			if (fileMode == EasySaveFileMode.Read)
+				return FileMode.Open;
+			else if (fileMode == EasySaveFileMode.Write)
+				return FileMode.Create;
+			else
+				return FileMode.Append;
+		}
+
+		protected static FileAccess GetFileAccess(EasySaveFileMode fileMode)
+		{
+			if (fileMode == EasySaveFileMode.Read)
+				return FileAccess.Read;
+			else if (fileMode == EasySaveFileMode.Write)
+				return FileAccess.Write;
+			else
+				return FileAccess.Write;
+		}
+
+		protected override void Dispose (bool disposing)
+		{
+			// Ensure we only perform disposable once.
+			if(isDisposed)
+				return;
+			isDisposed = true;
+
+			base.Dispose(disposing);
+
+
+			// If this is a file writer, we need to replace the temp file.
+			/*if(fileMode == EasySaveFileMode.Write && fileMode != EasySaveFileMode.Append)
+			{
+				// Delete the old file before overwriting it.
+				EasySaveIO.DeleteFile(path);
+				// Rename temporary file to new file.
+				EasySaveIO.MoveFile(path + EasySave.temporaryFileSuffix, path);
+			}*/
+		}
+	}
+}