/*

* Copyright (c) 2006-2009 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:  Contains the class declartion for locale related functions

 *     

 *

*/

#include <e32base.h>

#include <e32std.h>

#include <e32ldr.h>

#include <charconv.h>

#include <f32file.h>

#include <locale.h>

#include <langinfo.h>

#include <string.h>

#include <stdio.h>

#include <ctype.h>

#include "lmonetary.h"

#include "lnumeric.h"

#include "timelocal.h"

#include "sysif.h"

// CONSTANTS

const TInt KNumLocaleExports = 22;

class CLocale:public CBase

{

private:	

	CLocale();

	static CLocale* New();

	TInt ConstructL();

public:	

	static CLocale* GetInstance();

	static void DeleteInstance();

	static struct lc_numeric_T* GetCurrentNumericLocale(void);

	static struct lc_monetary_T* GetCurrentMonetaryLocale(void);

	static struct lc_time_T* GetCurrentTimeLocale(void);

	TText*  SetLocale(TDesC& aLocale);

	TInt LoadLocale(TDesC& aLocale);

    #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT

	TInt SyncLocale(TLocaleAspect aspect);

    #endif

	const TText* nl_langinfo(nl_item aItem);

	struct lconv * localeconv();

#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT

#ifdef SYMBIAN_DISTINCT_LOCALE_MODEL

	TInt  GetSystemLocale(TDesC& aLanDllName,TDesC& aRegDllName);

	const TText* GetCollateLocaleName(void);

#endif

	TInt  GetSystemLocale(TDesC& aDllName);

    const TText* GetLocaleName(void);

#else

  TText* GetLocaleName(void);

#endif

	TInt MonetaryLoadLocaleL(const char* localeName);

	TInt NumericLoadLocale(const char* localeName);

	TInt TimeLoadLocaleL(const char* localeName);

	TInt ConvertToMultiByteL(TUint8* aNarrowCharString, const TText16* aWideCharString, TInt  aCharsetUID);

    #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT

	void ConvertToMultiByteCustom(TUint8* aNarrowCharString, const TText16* aWideCharString);

    #endif

	TInt GetCharcaterSetIDL(const char* aLocaleName);

	/*******************************************************************

	Overloading new and delete operators so that they will

	allocate and deallocare memory from/to the private heap of backend

	********************************************************************/

	inline TAny* operator new(TUint aSize, TAny* aBase) __NO_THROW

		{

		Mem::FillZ(aBase, aSize); return aBase;

		}

	inline TAny* operator new(TUint aSize) __NO_THROW

		{

		return Backend()->Alloc(aSize);

		}

	inline TAny* operator new(TUint aSize, TLeave)

		{

		TAny* ptr = Backend()->Alloc(aSize);

		if (ptr == NULL)

			{

			User::Leave(KErrNoMemory);

			}

		return ptr;

		}

	inline TAny* operator new(TUint aSize, TUint aExtraSize) __NO_THROW

		{

		return Backend()->Alloc(aSize + aExtraSize);

		}

	inline TAny* operator new(TUint aSize, TLeave, TUint aExtraSize)

		{

		TAny* ptr = Backend()->Alloc(aSize + aExtraSize);

		if (ptr == NULL)

			{

			User::Leave(KErrNoMemory);

			}

		return ptr;

		}

	//Corresponding overloaded delete operators

	inline void operator delete(TAny *aPtr, TAny*) __NO_THROW

		{

		Backend()->Free( aPtr );

		}

	inline void operator delete(TAny *aPtr) __NO_THROW

		{

		Backend()->Free( aPtr );

		}

	inline void operator delete(TAny *aPtr, TLeave) 

		{

		Backend()->Free( aPtr );

		}

	inline void operator delete(TAny *aPtr, TUint) __NO_THROW

		{

		Backend()->Free( aPtr );

		}

	inline void operator delete(TAny *aPtr, TLeave, TUint) 

		{

		Backend()->Free( aPtr );

		}

private:

	static CLocale* iNewLocale;

	static struct lc_monetary_T* iMonetary_locale;

	static struct lc_numeric_T* iNumeric_locale;

	static struct lc_time_T* iTime_locale;

	SLocaleLanguage iLanguageSettings;

	SLocaleLocaleSettings iLocaleSettings;

	SLocaleTimeDateFormat iLocaleTimeDateFormat;

	TLocale iLocale;

    TLibraryFunction iData[KNumLocaleExports];

	TChar iThousandsSeparator;

	TChar iDecimalSeparator;

#ifdef SYMBIAN_DISTINCT_LOCALE_MODEL

	TLibraryFunction iDataRegion[KNumLocaleExports];// will contain Monetary , numeric and time info

    TLibraryFunction iDataLanguage[KNumLocaleExports];// will contain month table and Day Table   details

    TBuf<30> iRegDllName;

    TBuf<30> iLanDllName;

	TBool iOldDllPresent;

	TInt LoadNewLocaleDll( TDesC& aLocale );

	TInt ParseNewLocaleFile( TDesC& aLocale );

	TInt TimeLoadNewLocaleL( const char* localeName );

#endif

};

//end of file