2004-12-03 Lluis Sanchez Gual <lluis@novell.com>
[mono.git] / mcs / class / corlib / System.IO / StreamWriter.cs
index 6aa01ae30137cc1c3be73b9a0e120fb3bd88b35f..1799d74e6e6046a8d97c1724770f12a8761a5b63 100644 (file)
@@ -7,6 +7,29 @@
 //\r
 // (C) Ximian, Inc.  http://www.ximian.com\r
 //\r
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
 \r
 using System.Text;\r
 using System;\r
@@ -100,7 +123,7 @@ namespace System.IO {
                        else\r
                                mode = FileMode.Create;\r
                        \r
-                       internalStream = new FileStream (path, mode, FileAccess.Write);\r
+                       internalStream = new FileStream (path, mode, FileAccess.Write, FileShare.Read);\r
 \r
                        if (append)\r
                                internalStream.Position = internalStream.Length;\r
@@ -114,12 +137,16 @@ namespace System.IO {
                        get {\r
                                return iflush;\r
                        }\r
-                       set {\r
-                               if (DisposedAlready)\r
-                                       throw new ObjectDisposedException("StreamWriter");\r
-                               iflush = value;\r
-                       }\r
-               }\r
+                       set {
+                               if (DisposedAlready)
+                                       throw new ObjectDisposedException("StreamWriter");
+                               iflush = value;
+
+                               if (iflush) {
+                                       Flush ();
+                               }
+                       }
+               }
 \r
                public virtual Stream BaseStream {\r
                        get {\r
@@ -222,6 +249,28 @@ namespace System.IO {
                                index += todo;\r
                                decode_pos += todo;\r
                        }\r
+               }
+               
+               void LowLevelWrite (string s)
+               {
+                       int count = s.Length;
+                       int index = 0;
+                       while (count > 0) {
+                               int todo = decode_buf.Length - decode_pos;
+                               if (todo == 0) {
+                                       Decode ();
+                                       todo = decode_buf.Length;
+                               }
+                               if (todo > count)
+                                       todo = count;
+                               
+                               for (int i = 0; i < todo; i ++)
+                                       decode_buf [i + decode_pos] = s [i + index];
+                               
+                               count -= todo;
+                               index += todo;
+                               decode_pos += todo;
+                       }
                }\r
 \r
                public override void Write (char value)\r
@@ -255,7 +304,8 @@ namespace System.IO {
                                throw new ObjectDisposedException("StreamWriter");\r
 \r
                        if (value != null)\r
-                               LowLevelWrite (value.ToCharArray (), 0, value.Length);\r
+                               LowLevelWrite (value);
+                       \r
                        if (iflush)\r
                                Flush ();\r
                }\r