1 /*

     2 * Copyright (c) 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 "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 *

    16 */

    17 #ifndef __PYTABLE_H__

    18 #define __PYTABLE_H__

    19 

    20 

    21 #if !defined(__E32STD_H__)

    22 #include <e32std.h>

    23 #endif

    24 

    25 #if !defined(__E32BASE_H__)

    26 #include <e32base.h>

    27 #endif

    28 

    29 #if !defined(__W32STD_H__)

    30 #include <w32std.h>

    31 #endif

    32 

    33 const TInt KMaxPinyinLength = 15;

    34 

    35 struct TPinyinCharacterPair

    36 	{

    37 public:

    38 	const TUint16 *iPinYin;

    39 	TInt iPinYinLength;

    40 	TInt iCharacterCount;

    41 	const TInt *iCharacterArray;

    42 	};

    43 struct TPinyinTable

    44 	{

    45 public:

    46 	TInt iPinyinCharacterPairCount;

    47 	const TPinyinCharacterPair *iPairArray;

    48 	};

    49 

    50 class CPinyinSelector

    51 	{

    52 public:

    53 	enum

    54 	{

    55 	EInvalidChar = 0xFFFFFFFF

    56 	};

    57 public:

    58 	CPinyinSelector();

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

    60 

    61 	// by character

    62 	TInt NextCharacter();

    63 	TInt PreviousCharacter();

    64 	

    65 	// by page

    66 	void SetPageSize(TInt nPageSize);

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

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

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

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

    71 	

    72 	void Reset();

    73 	TBool IsReseted();

    74 

    75 public:

    76 	static TBool IsValidPinyinChar(TInt aChar);

    77 

    78 private:

    79 	// current

    80 	const TPinyinCharacterPair *iCurrentPinyin;

    81 	TInt iIndexInCurrentPinyin;

    82 	TInt iPageSize;		// character count in a page

    83 	TBool iReset;

    84 private:

    85 	// the table

    86 	const TPinyinTable *iPinyinTable;

    87 	};

    88 

    89 GLREF_D const TPinyinTable pinyinTable;

    90 

    91 #endif	// __PYTABLE_H__