// 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

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