/*

* Copyright (c) 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: 

*

*/

#ifndef __PYTABLE_H__

#define __PYTABLE_H__

#if !defined(__E32STD_H__)

#include <e32std.h>

#endif

#if !defined(__E32BASE_H__)

#include <e32base.h>

#endif

#if !defined(__W32STD_H__)

#include <w32std.h>

#endif

const TInt KMaxPinyinLength = 15;

struct TPinyinCharacterPair

	{

public:

	const TUint16 *iPinYin;

	TInt iPinYinLength;

	TInt iCharacterCount;

	const TInt *iCharacterArray;

	};

struct TPinyinTable

	{

public:

	TInt iPinyinCharacterPairCount;

	const TPinyinCharacterPair *iPairArray;

	};

class CPinyinSelector

	{

public:

	enum

	{

	EInvalidChar = 0xFFFFFFFF

	};

public:

	CPinyinSelector();

	TBool SetPinyin(const TDesC *aCurrentPinyin, TInt aIndexInCurrentPinyin=-1);

	// by character

	TInt NextCharacter();

	TInt PreviousCharacter();

	// by page

	void SetPageSize(TInt nPageSize);

	TInt NextPage();			// return first character in next page

	TInt PreviousPage();		// return first character in previous page

	TInt CharacterInCurrentPage(TInt aIndex);	// return "aIndex"th character in current page. aIndex range from 0

	void GetPageDescriptor(TBuf<200> *page) const;

	void Reset();

	TBool IsReseted();

public:

	static TBool IsValidPinyinChar(TInt aChar);

private:

	// current

	const TPinyinCharacterPair *iCurrentPinyin;

	TInt iIndexInCurrentPinyin;

	TInt iPageSize;		// character count in a page

	TBool iReset;

private:

	// the table

	const TPinyinTable *iPinyinTable;

	};

GLREF_D const TPinyinTable pinyinTable;

#endif	// __PYTABLE_H__