1 /*

     2 * Copyright (c) 2004-2009 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 the License "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 * Print functions used in debug mode 

    16 *

    17 */

    18 

    19 

    20 /**

    21  @file 

    22  @internalComponent 

    23 */

    24  

    25 #ifndef __SWI_LOG_H__

    26 #define __SWI_LOG_H__

    27 

    28 #include <e32debug.h>

    29 

    30 class TTruncateOverflowHandler16 : public TDes16Overflow

    31 	{

    32 	public:

    33 		virtual void Overflow(TDes16& aDes);

    34 	};

    35 	

    36 inline void TTruncateOverflowHandler16::Overflow(TDes16&)

    37 	{

    38 

    39 	}

    40 	

    41 class TTruncateOverflowHandler8 : public TDes8Overflow

    42 	{

    43 	public:

    44 		virtual void Overflow(TDes8& aDes);

    45 	};

    46 	

    47 inline void TTruncateOverflowHandler8::Overflow(TDes8&)

    48 	{

    49    

    50 	}

    51 

    52 namespace Swi

    53 {

    54 

    55 #ifdef _DEBUG

    56 

    57 #define DEBUG_PRINTF(a) {Swi::DebugPrintf(__LINE__, __FILE__, a);}

    58 #define DEBUG_PRINTF2(a, b) {Swi::DebugPrintf(__LINE__, __FILE__, a, b);}

    59 #define DEBUG_PRINTF3(a, b, c) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c);}

    60 #define DEBUG_PRINTF4(a, b, c, d) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c, d);}

    61 #define DEBUG_PRINTF5(a, b, c, d, e) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c, d, e);}

    62 

    63 #define DEBUG_CODE_SECTION(a) TRAP_IGNORE({ a; }) 

    64 

    65 // UTF-8 overload of the DebufPrintf method. Should be used by default,

    66 // since it's cheaper both in CPU cycles and stack space.

    67 

    68 inline void DebugPrintf(TInt aLine, char* aFile, TRefByValue<const TDesC8> aFormat, ...)

    69 	{

    70 	TTruncateOverflowHandler8 overflowHandler8;

    71 	VA_LIST list;

    72 	VA_START(list, aFormat);

    73 	

    74 	TTime now;

    75 	now.HomeTime();

    76 	

    77 	TBuf8<512> buffer;

    78 	_LIT8(KSwiLogPrefix, "[SWI] ");

    79 	_LIT8(KSwiLineFileFormat, "%Ld Line: % 5d, File: %s -- ");

    80 	buffer.Append(KSwiLogPrefix);

    81 	buffer.AppendFormat(KSwiLineFileFormat, now.Int64(), aLine, aFile);

    82 	buffer.AppendFormatList(aFormat, list, &overflowHandler8);

    83 	_LIT8(KSwiMsgEnd, "\r\n");

    84 	if(buffer.MaxLength() >= (buffer.Length() + KSwiMsgEnd().Length()))

    85 		{

    86 		buffer.Append(KSwiMsgEnd);

    87 		}

    88 	

    89 	RDebug::RawPrint(buffer);

    90 	

    91 	VA_END(list);

    92 	}

    93 	

    94 // Unicode DebufPrintf overload

    95 

    96 inline void DebugPrintf(TInt aLine, char* aFile, TRefByValue<const TDesC16> aFormat, ...)

    97 	{

    98 	TTruncateOverflowHandler16 overflowHandler16;

    99 	VA_LIST list;

   100 	VA_START(list, aFormat);

   101 	

   102 	TTime now;

   103 	now.HomeTime();

   104 	

   105 	TBuf8<256> header;

   106 	_LIT8(KSwiLogPrefix, "[SWI] ");

   107 	_LIT8(KSwiLineFileFormat, "%Ld Line: % 5d, File: %s -- ");

   108 	header.Append(KSwiLogPrefix);

   109 	header.AppendFormat(KSwiLineFileFormat, now.Int64(), aLine, aFile);

   110 	

   111 	TBuf<256> buffer;

   112 	buffer.Copy(header);

   113 	buffer.AppendFormatList(aFormat, list , &overflowHandler16);

   114 	_LIT(KSwiMsgEnd, "\r\n");

   115 	if(buffer.MaxLength() >= (buffer.Length() + KSwiMsgEnd().Length()))

   116 		{

   117 		buffer.Append(KSwiMsgEnd);

   118 		}

   119 	

   120 	RDebug::RawPrint(buffer);

   121 	

   122 	VA_END(list);

   123 	}

   124 

   125 #else

   126 

   127 #define DEBUG_PRINTF(a)

   128 #define DEBUG_PRINTF2(a, b)

   129 #define DEBUG_PRINTF3(a, b, c)

   130 #define DEBUG_PRINTF4(a, b, c, d)

   131 #define DEBUG_PRINTF5(a, b, c, d, e)

   132 

   133 #define DEBUG_CODE_SECTION(a)

   134 

   135 #endif

   136 

   137 

   138 } // namespace Swi

   139 

   140 #endif // __SWI_LOG_H__