1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #include "filedump.h"

    21 

    22 //////////////////////////////////////////////////////////////////////////

    23 // Open the output file

    24 //////////////////////////////////////////////////////////////////////////

    25 GLDEF_C TInt 

    26 FileDump::Init(RFs &fsSession, TPtrC16 filename, CConsoleBase* console)

    27 {

    28 	/*

    29 	// To determine the date and create a string.

    30 	static const TInt defLength = 256;

    31 	int exception = KErrNone;

    32 	TBuf<defLength> fileDateName( _L("") );

    33 	TTime date;

    34 	date.HomeTime();	

    35 	TRAP( exception, date.FormatL(fileDateName, (_L("%F%Y%M%D"))) );

    36 	*/

    37 

    38 	/*

    39 	// To either open an existing file or create a new file.

    40 	TFileMode shareMode = static_cast<TFileMode>(EFileShareAny|EFileStream|EFileWrite);

    41 

    42 	TInt err = file.Open( fsSession, fileDateName, shareMode );

    43 	if ( err == KErrNotFound )

    44 	    {

    45 	    err = file.Create( fsSession, fileDateName, shareMode );

    46 	    }

    47 	*/

    48 

    49    	if (file.Replace(fsSession, filename, EFileShareAny|EFileStream|EFileWrite) == KErrNone)

    50 	{

    51 		pConsole = console;

    52 		bInitialised = ETrue;

    53 		return ETrue;

    54 	}

    55 

    56 	return EFalse;

    57 }

    58 

    59 GLDEF_C void

    60 FileDump::Msg(TPtrC16 text, ...)

    61 {

    62 	int exception = KErrNone;

    63 

    64 	if (bInitialised && text.Length())

    65 	{

    66 		// create date/time string for filename

    67 		TBuf<10> datestring( _L("") );

    68 		TTime DateAndTime;

    69 		DateAndTime.HomeTime();	

    70 		TRAP( exception, DateAndTime.FormatL(datestring, (_L("%H:%T:%S "))) );

    71 		if( exception == KErrNone ) {

    72 			buf.Zero();

    73 			buf.Append(datestring);

    74 			buf.ZeroTerminate();

    75 			WriteBuffer16ToFile(buf, file);

    76 		}

    77 

    78 		VA_LIST list;

    79 		VA_START(list, text);

    80 

    81 		buf.Zero();

    82 		buf.FormatList(text, list);

    83 		buf.Append(_L("\r\n"));

    84 		buf.ZeroTerminate();

    85 

    86 		if (pConsole)

    87 			pConsole->Printf(buf);

    88 

    89 		WriteBuffer16ToFile(buf, file);

    90 

    91 		VA_END(list);

    92 	}

    93 }

    94 

    95 //////////////////////////////////////////////////////////////////////////

    96 // Close the file

    97 //////////////////////////////////////////////////////////////////////////

    98 GLDEF_C void 

    99 FileDump::CloseFile()

   100 {

   101 	if( bInitialised ) {

   102 		file.Close();

   103 	}

   104 	bInitialised = EFalse;

   105 }

   106 

   107 

   108 GLDEF_C TBool

   109 FileDump::WriteBuffer16ToFile(TDesC16 &buffer, RFile &handle)

   110 {

   111 	// keep buffer small to reduce memory usage

   112 	TBuf8<5> outputBuffer;

   113 	TPtrC16 ptr;

   114 	TInt consumed;

   115 	TInt remainder = 0;

   116 

   117 	TBool valid = EFalse;

   118 

   119 	if (buffer.Length())

   120 	{

   121 		ptr.Set(buffer);

   122 		do

   123 		{

   124 			// get something to write

   125 			consumed = Min(outputBuffer.MaxLength(), ptr.Length());

   126 

   127 			// write it

   128 			outputBuffer.Copy(ptr.Left(consumed));

   129 			if (handle.Write(outputBuffer) != KErrNone)

   130 				return EFalse;

   131 

   132 			handle.Flush();

   133 

   134 			// get the next chunk

   135 			remainder = ptr.Length() - consumed;

   136 			if (remainder > 0)

   137 				ptr.Set(ptr.Right(remainder));

   138 

   139 		}while (remainder > 0);

   140 

   141 		valid = ETrue;

   142 	}

   143 

   144 	return valid;

   145 }

   146 

   147 GLDEF_C TBool

   148 FileDump::IsInitialised() const

   149 {

   150 	return bInitialised;

   151 }