// Copyright (c) 2010 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:

 //

 #include <e32debug.h>

 #include "SqliteUtil.h"

 #include "OstTraceDefinitions.h"

 #ifdef OST_TRACE_COMPILER_IN_USE

 #include "SqliteUtilTraces.h"

 #endif

 #include "SqliteTraceDef.h"

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 #define UNUSED_ARG(arg) arg = arg

 #define UNUSED_DES(arg) arg

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 #if defined OST_TRACE_COMPILER_IN_USE &&  defined _SQLITE_RDEBUG_PRINT

 /**

 This class has been added here to avoid the crashes when _SQLITE_RDEBUG_PRINT macro is defined but the

 data to be printed out is too big and cannot fit into the buffer with size KSqliteMaxPrnStrLen.

 @internalComponent   

 */

 class TSqliteDes16Overflow : public TDes16Overflow

     {

 public:    

     virtual void Overflow(TDes16& /*aDes*/)

         {

         }

     };

 //Replaces:

 // 1) "%lld" with "%ld"

 // 2) "%s" with "%S"

 //These are the differences in format specification between RDebig::Print and OST functions.

 //The new format spec length should be less or equal than the old format spec length.

 static void ReplaceFmtSpec(TDes& aFormat, const TDesC& aFmtSpec, const TDesC& aNewFmtSpec)

 	{

 	TInt fmtLength = aFormat.Length();

 	const TInt KDiff = aFmtSpec.Length() - aNewFmtSpec.Length();

     TPtr ptr((TText*)aFormat.Ptr(), fmtLength, fmtLength);

     TInt pos;

     while((pos = ptr.Find(aFmtSpec)) >= 0)

     	{

 		ptr.Replace(pos, aFmtSpec.Length(), aNewFmtSpec);

 		fmtLength -= KDiff;

 		ptr.Set(ptr.MidTPtr(pos));

     	}

     aFormat.SetLength(fmtLength);

 	}

 void SqlitePrintf(TInt /*aGroupName*/, TInt /*aTraceName*/, const char* aFormat, ...)

     {

     VA_LIST list;

     VA_START(list, aFormat);

     TBuf<128> format;

     _LIT(KTraceIdent, "Sqlite;");

     format.Copy(TPtrC8((const TUint8*)aFormat));

     format.Insert(0, KTraceIdent);

     format.Append(_L("\r\n"));

     _LIT(KOstI64Fmt, "%lld");

     _LIT(KDbgPrnI64Fmt, "%ld");

     ReplaceFmtSpec(format, KOstI64Fmt, KDbgPrnI64Fmt);

     _LIT(KOstDes8Fmt, "%s");

     _LIT(KDbgPrnDesFmt, "%S");

     ReplaceFmtSpec(format, KOstDes8Fmt, KDbgPrnDesFmt);

     TBuf<KSqliteMaxPrnStrLen> buf;

     TSqliteDes16Overflow overflowHandler;

     buf.AppendFormatList(format, list, &overflowHandler);

 #ifdef _SQLITE_RDEBUG_PRINT    

     RDebug::RawPrint(buf);

 #endif

     }

 const TDesC* SqliteDes8to16Ptr(const TDesC8& aDes)

 	{

 	const TInt KBufSize = 100;

 	static TBuf<KBufSize> buf;

 	TPtrC8 ptr(aDes.Ptr(), Min(aDes.Length(), buf.MaxLength()));

 	buf.Copy(ptr);

 	return &buf;

 	}

 #endif//defined OST_TRACE_COMPILER_IN_USE &&  defined _SQLITE_RDEBUG_PRINT 

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 /**

 SQLite panic category.

 @internalComponent

 */

 _LIT(KSqlitePanicCategory, "Sqlite");

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 /**

 Panics the caller with aPanicCode panic code.

 The call will terminate the thread where it is called from.

 @param aPanicCode Panic code.

 @internalComponent

 */

 static void SqlitePanic(TSqlitePanic aPanicCode)

 	{

 	User::Panic(KSqlitePanicCategory, aPanicCode);

 	}

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 /**

 The function prints out a "SQLite" panic message to the console and panics the thread where it is called from.

 It gives a useful information about the found error together with the source file name and line number where

 it occurred.

 Note: this function  will output information regarding the panic only if _SQLITE_PANIC_TRACE_ENABLED macro is defined  

 @param aFile Source file name

 @param aLine Source line number

 @param aPanicCode Panic code

 @param aHandle Numeric value, uniquely identfying the leaving location (the "this" pointer for example)

 @return KErrNone

 @internalComponent

 */  

 TInt TSqliteUtil::Panic(const TText* aFile, TInt aLine, TInt aPanicCode, TUint aHandle)

     {

 #if defined OST_TRACE_COMPILER_IN_USE && defined _SQLITE_PANIC_TRACE_ENABLED

     TPtrC fname(FileName(aFile));

     OstTraceExt5(TRACE_FATAL, TSQLUTIL_PANIC, "SQLite-Panic;0x%X;%S;%d;%S;%d", aHandle, __SQLITEPRNSTR(fname), aLine, __SQLITEPRNSTR(KSqlitePanicCategory), aPanicCode);

 #else

     UNUSED_ARG(aFile);

     UNUSED_ARG(aLine);

     UNUSED_ARG(aHandle);

 #endif      

     ::SqlitePanic(static_cast <TSqlitePanic> (aPanicCode));

     return KErrNone;

     }

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 #if defined OST_TRACE_COMPILER_IN_USE && defined _SQLITE_PANIC_TRACE_ENABLED

 /**

 The function creates and returns TPtrC object which points to aFile parameter.

 @param aFile File name

 @return TPtrC object pointing to aFile parameter.

 @internalComponent

 */	

 TPtrC TSqliteUtil::FileName(const TText* aFile)

 	{

 	TPtrC p(aFile);

 	TInt ix = p.LocateReverse('\\');

 	if(ix<0)

 		ix=p.LocateReverse('/');

 	if(ix>=0)

 		p.Set(p.Mid(1+ix));

 	return p;

 	}

 #endif //defined OST_TRACE_COMPILER_IN_USE && defined _SQLITE_PANIC_TRACE_ENABLED

 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////