author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 25 May 2010 14:39:28 +0300 | |
branch | RCL_3 |
changeset 28 | 26914f8d1faf |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* A utility for providing Japanese Language-specific (UNICODE) functions. |
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* |
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* |
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*/ |
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#ifndef __JPLANGUTIL_H__ |
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#define __JPLANGUTIL_H__ |
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// INCLUDES |
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#include <e32std.h> |
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// CONSTANTS |
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// CLASS DECLARATION |
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/** |
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* This is the only class provided buy the JPLangUtil Library, |
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* and is intended for encapsulation only. |
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* As such, it should not be instantiated. |
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* |
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* @lib JPLangUtil.lib |
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* @since 2.6 |
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*/ |
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class JPLangUtil |
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{ |
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public: // Conversion API |
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/** |
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* Converts all Half-width conformant text (including ASCII, Special |
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* Characters and Katakana) found in aUnicodeSource to their Full-width |
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* counterparts and places the resulting text into aUnicodeTarget. |
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* |
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* @param aUnicodeSource Descriptor that contains the text to be |
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* converted. |
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* @param aUnicodeTarget The target descriptor for the converted text. |
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* |
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* @return Either a positive integer signifying the count of converted |
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* characters, or the negative error code KErrToBig when the |
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* target descriptor cannot hold all the converted text. |
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*/ |
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IMPORT_C static TInt ConvertHalfToFullWidth |
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(const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget ); |
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/** |
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* Converts all Full-width conformant text found in aUnicodeSource to |
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* their Half-width counterparts and places the resulting text into |
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* aUnicodeTarget. Only those characters with existing Half-width |
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* variants are converted. There will be a 2-for-1 conversion for each |
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* Full-width Voiced and Semi-voiced Katakana character. |
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* |
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* @param aUnicodeSource Descriptor that contains the text to be |
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* converted. |
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* @param aUnicodeTarget The target descriptor for the converted text. |
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* |
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* @return Either a positive integer signifying the count of converted |
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* characters, or the negative error code KErrToBig when the |
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* target descriptor cannot hold all the converted text. |
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*/ |
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IMPORT_C static TInt ConvertFullToHalfWidth |
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( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget ); |
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/** |
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* Converts Half-width Katakana and Special Character text found in |
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* aUnicodeSource to their Full-width counterparts and places the |
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* resulting text into aUnicodeTarget. |
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* |
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* @param aUnicodeSource Descriptor that contains the text to be |
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* converted. |
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* @param aUnicodeTarget The target descriptor for the converted text. |
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* |
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* @return Either a positive integer signifying the count of converted |
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* characters, or the negative error code KErrToBig when the |
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* target descriptor cannot hold all the converted text. |
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*/ |
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IMPORT_C static TInt ConvertHalfToFullWidthKatakana |
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( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget ); |
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|
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/** |
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* Converts Full-width Katakana and Special Character text found in |
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* aUnicodeSource to their Half-width counterparts and places the |
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* resulting text into aUnicodeTarget. There will be a 2-for-1 conversion |
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* for each Full-width Voiced and Semi-voiced Katakana character. |
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* |
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* @param aUnicodeSource Descriptor that contains the text to be |
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* converted. |
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* @param aUnicodeTarget The target descriptor for the converted text. |
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* |
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* @return Either a positive integer signifying the count of converted |
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* characters, or the negative error code KErrToBig when the |
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* target descriptor cannot hold all the converted text. |
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*/ |
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IMPORT_C static TInt ConvertFullToHalfWidthKatakana |
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( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget ); |
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/** |
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* Converts Full-width Hiragana and Special Character text found in |
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* aUnicodeSource to their Full-width counterparts and places the |
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* resulting text into aUnicodeTarget. |
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* |
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* @param aUnicodeSource Descriptor that contains the text to be |
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* converted. |
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* @param aUnicodeTarget The target descriptor for the converted text. |
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* |
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* @return Either a positive integer signifying the count of converted |
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* characters, or the negative error code KErrToBig when the |
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* target descriptor cannot hold all the converted text. |
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*/ |
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IMPORT_C static TInt ConvertFullHiragnaToFullKatakana |
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( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget ); |
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public: // Character Category Query API |
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/** |
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* Returns ETrue if aUnicodeChar is Katakana. |
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* This includes both Full and Half-width Katakana. |
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* |
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* @param aUnicodeChar The unicode character to test. |
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* |
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* @return Etrue : aUnicodeChar is Katakana |
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*/ |
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IMPORT_C static TBool IsKatakana( const TText aUnicodeChar ); |
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/** |
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* Returns ETrue if aUnicodeChar is Hiragana. |
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* There are no Half-width Hiragana variants. |
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* |
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* @param aUnicodeChar The unicode character to test. |
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* |
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* @return Etrue : aUnicodeChar is Hiragana |
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*/ |
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IMPORT_C static TBool IsHiragana( const TText aUnicodeChar ); |
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/** |
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* Returns ETrue if aUnicodeChar is Kanji, or CJK ideographic |
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* All characters in the CJK ideographic range are Full-width. |
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* |
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* @param aUnicodeChar The unicode character to test. |
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* |
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* @return Etrue : aUnicodeChar is Kanji |
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*/ |
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IMPORT_C static TBool IsKanji( const TText aUnicodeChar ); |
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/** |
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* Returns ETrue if aUnicodeChar is Half-width according to |
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* the UNICODE definition of the term. |
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* |
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* @param aUnicodeChar The unicode character to test. |
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* |
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* @return Etrue : aUnicodeChar is Half-width |
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*/ |
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IMPORT_C static TBool IsHalfWidth( const TText aUnicodeChar ); |
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/** |
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* Returns ETrue if aUnicodeChar is Full-width. |
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* Essentially, all text that is not Half-width. |
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* |
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* @param aUnicodeChar The unicode character to test. |
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* |
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* @return Etrue : aUnicodeChar is Full-width |
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*/ |
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IMPORT_C static TBool IsFullWidth( const TText aUnicodeChar ); |
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}; |
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#endif // __JPLANGUTIL_H__ |
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// End of file |