--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/rubydebug/rubydebug.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Debugging utilities implementation.
+*
+*/
+
+
+// INCLUDE FILES
+#include "RubyDebug.h"
+
+#ifdef __RUBY_DEBUG_TRACES_TO_FILE
+#include <f32file.h>
+#endif
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES  
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// RRubyDebug::PrintToFile
+// Method for writing traces to a file.
+// -----------------------------------------------------------------------------
+//
+#ifdef __RUBY_DEBUG_TRACES_TO_FILE
+
+#ifdef _DEBUG // UDEB version:
+EXPORT_C void RRubyDebug::PrintToFile( TRefByValue<const TDesC> aFmt, ... )
+    {
+    _LIT( KRubyLogFileName, "\\Logs\\RubyTrace.log" );
+
+    const TInt KRubyDebugMaxLineLength = 0x80; // rest will be truncated
+
+    const TInt KRubyDebugOpenFileRetries = 100;
+    const TInt KRubyDebugOpenFileInterval = 1000;
+
+    const TUint16 KRubyDebugLineSep1 = 0x0d;
+    const TUint16 KRubyDebugLineSep2 = 0x0a;
+
+    // Handle variable argument list
+    VA_LIST list;
+	VA_START( list, aFmt );
+	TBuf<KRubyDebugMaxLineLength+2> aBuf;
+    TTruncateOverflow overflow;
+	aBuf.AppendFormatList( aFmt, list, &overflow );
+	if( aBuf.Length() > ( KRubyDebugMaxLineLength - 2 ) )
+		{
+		aBuf.Delete(aBuf.Length() - 2, 2);
+		}
+	
+    // Add linefeed characters
+    aBuf.Append( KRubyDebugLineSep1 );
+    aBuf.Append( KRubyDebugLineSep2 );
+
+    RFs fs;
+    if ( fs.Connect() == KErrNone )
+        {
+        RFile file;
+
+        // Open file in an exclusive mode so that only one thread 
+        // can acess it simultaneously
+        TUint fileMode = EFileWrite | EFileShareExclusive;
+
+        TInt err = file.Open( fs, KRubyLogFileName, fileMode );
+
+        // Create a file if it doesn't exist
+        if ( err == KErrNotFound )
+            {
+            err = file.Create( fs, KRubyLogFileName, fileMode );
+            }
+        else
+            {
+            // Error in opening the file
+            TInt retryCount = KRubyDebugOpenFileRetries;
+            while ( err == KErrInUse && retryCount-- )
+                {
+                // Some other tread is accessing the file, wait a while...
+                User::After( KRubyDebugOpenFileInterval );
+                err = file.Open( fs, KRubyLogFileName, fileMode );
+                }
+            }
+
+        // Check if we have access to a file
+        if ( err == KErrNone )
+            {
+            TInt offset = 0;
+            if ( file.Seek( ESeekEnd, offset ) == KErrNone )
+                {
+                // Append text to the end of file
+                TPtr8 ptr8( (TUint8*)aBuf.Ptr(), aBuf.Size(), aBuf.Size() );
+                file.Write( ptr8 );
+                }
+            file.Close();
+            }
+
+        fs.Close();
+        }
+    }
+
+#else // UREL version:
+EXPORT_C void RRubyDebug::PrintToFile( TRefByValue<const TDesC> /*aFmt*/, ... )
+    {
+    }
+#endif
+
+#endif // __RUBY_DEBUG_TRACES_TO_FILE
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File