author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 25 May 2010 14:39:28 +0300 | |
branch | RCL_3 |
changeset 9 | 26914f8d1faf |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2000-2009 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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* |
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*/ |
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#include "PictographObserver.h" |
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#include "featmgr/featmgr.h" |
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#include <e32std.h> |
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#include <charconv.h> |
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#include <convutils.h> |
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#include "jisx0201.h" |
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#include "jisx0208.h" |
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#include "SHIFTJIS_2.H" |
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#include <convdata.h> |
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//const TUint KSingleByteRangeFirstBlockStart=0x00; |
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const TUint KSingleByteRangeFirstBlockEnd=0x7f; |
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const TUint KSingleByteRangeSecondBlockStart=0xa1; |
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const TUint KSingleByteRangeSecondBlockEnd=0xdf; |
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const TUint KFirstByteRangeFirstBlockStart=0x81; |
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const TUint KFirstByteRangeFirstBlockEnd=0x9f; |
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const TUint KFirstByteRangeFirstBlockLength=(KFirstByteRangeFirstBlockEnd+1)-KFirstByteRangeFirstBlockStart; |
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const TUint KFirstByteRangeSecondBlockStart=0xe0; |
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// Ken Lunde's book "CJKV Information Processing" (page 176) says this |
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// constant should be 0xef, but no Shift-JIS characters in |
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// \charconv\data\JISX0208.TXT have a first byte greater than 0xea, and |
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// some extensions of Shift-JIS may use the 0xeb-0xef range for the first |
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// byte of their characters (e.g. "MOPERA"), and in order for users of this |
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// DLL to be able to implement these extensions using the |
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// aArrayOfAdditionalXxxxx parameters, this constant therefore needs to |
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// be set as low as possible, i.e. to 0xea |
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const TUint KFirstByteRangeSecondBlockEnd=0xea; |
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const TUint KFirstByteRangeOtherBlockEnd = 0xfc; |
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const TUint KPictoFirstByteStart = 0xF0; |
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const TUint KPictoFirstByteEnd = 0xF9; |
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const TUint KSecondByteRangeFirstBlockStart=0x40; |
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const TUint KSecondByteRangeFirstBlockEnd=0x7e; |
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const TUint KSecondByteRangeFirstBlockLength=(KSecondByteRangeFirstBlockEnd+1)-KSecondByteRangeFirstBlockStart; |
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const TUint KSecondByteRangeSecondBlockStart=0x80; |
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const TUint KSecondByteRangeSecondBlockEnd=0xfc; |
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// SecureID for Brower app |
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const TUint32 KBrowserSecureId = 0x10008D39; |
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// Define for converting from YenSign to BackSlash |
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const TUint KCharacterCodeForYenSign = 0x00A5; |
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const TUint KCharacterCodeForBackSlash = 0x005C; |
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TInt BytesInOtherDoubleByteAreas(const TDesC8& aShiftJis); |
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TInt OneIfNotValid(const TDesC8& aShiftJis); |
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TBool IsJisX0208LeadByte(TUint a) |
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{ |
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return (KFirstByteRangeFirstBlockStart <= a |
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&& a <= KFirstByteRangeFirstBlockEnd) |
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|| (KFirstByteRangeSecondBlockStart <= a |
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&& a <= KFirstByteRangeSecondBlockEnd); |
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} |
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TBool IsValidTrailByte(TUint a) |
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{ |
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return KSecondByteRangeFirstBlockStart <= a |
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&& a <= KSecondByteRangeSecondBlockEnd |
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&& a != KSecondByteRangeFirstBlockEnd + 1; |
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} |
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TBool IsOtherLeadByte(TUint a) |
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{ |
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if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) ) |
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{ |
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return ((KFirstByteRangeSecondBlockEnd < a && a <= KFirstByteRangeOtherBlockEnd) |
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&& (a < KPictoFirstByteStart || a > KPictoFirstByteEnd)); |
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} |
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else |
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{ |
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return KFirstByteRangeSecondBlockEnd < a |
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&& a <= KFirstByteRangeOtherBlockEnd; |
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} |
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} |
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_LIT8(KLit8ShiftJisReplacementForUnconvertibleUnicodeCharacters, "\x81\x48"); // fullwidth question mark |
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#if defined(_DEBUG) |
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_LIT(KLitPanicText, "SHIFTJIS_SHARED"); |
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enum TPanic |
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103 |
{ |
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EPanicIndexOverflow1=1, |
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EPanicIndexOverflow2, |
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EPanicNothingToConvert1, |
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EPanicNothingToConvert2, |
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EPanicOddNumberOfBytes1, |
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EPanicOddNumberOfBytes2, |
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110 |
EPanicBadPointers1, |
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111 |
EPanicBadPointers2, |
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112 |
EPanicBadPointers3, |
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113 |
EPanicBadPointers4, |
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114 |
EPanicBadPointers5, |
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115 |
EPanicBadPointers6, |
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EPanicBadPointers7, |
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EPanicBadPointers8, |
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EPanicBadPointers9 |
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}; |
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120 |
|
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LOCAL_C void Panic(TPanic aPanic) |
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{ |
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User::Panic(KLitPanicText, aPanic); |
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} |
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125 |
|
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#endif |
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|
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// TCombinedArrayOfCharacterSets |
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|
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class TCombinedArrayOfCharacterSets |
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{ |
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132 |
public: |
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TCombinedArrayOfCharacterSets(const TArray<CnvUtilities::SCharacterSet>* aArrayOfAdditionalCharacterSets); |
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~TCombinedArrayOfCharacterSets(); |
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TArray<CnvUtilities::SCharacterSet> Array() const; |
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private: |
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static TInt CombinedCount(const CBase* aThis); |
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static const TAny* CombinedAccessor(const CBase* aThis, TInt aIndex); |
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private: |
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RArray<CnvUtilities::SCharacterSet> iArrayOfCoreCharacterSets; |
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const TArray<CnvUtilities::SCharacterSet>* iArrayOfAdditionalCharacterSets; |
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}; |
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143 |
|
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TCombinedArrayOfCharacterSets::TCombinedArrayOfCharacterSets(const TArray<CnvUtilities::SCharacterSet>* aArrayOfAdditionalCharacterSets) |
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:iArrayOfAdditionalCharacterSets(aArrayOfAdditionalCharacterSets) |
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{ |
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if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) ) |
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{ |
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CnvUtilities::SCharacterSet characterSet; |
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characterSet.iConversionData=&CnvJisX0201::ConversionData(); |
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characterSet.iConvertFromIntermediateBufferInPlace=CnvShiftJis::DummyConvertFromIntermediateBufferInPlace; |
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characterSet.iEscapeSequence=&KNullDesC8; |
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iArrayOfCoreCharacterSets.Append(characterSet); |
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characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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characterSet.iConvertFromIntermediateBufferInPlace=CnvShiftJis::ConvertFromJisX0208ToShiftJisInPlace; |
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characterSet.iEscapeSequence=&KNullDesC8; |
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iArrayOfCoreCharacterSets.Append(characterSet); |
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|
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SetCharacterSetsForPictograph(iArrayOfCoreCharacterSets, ECharsetShiftJis); |
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} |
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else |
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{ |
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CnvUtilities::SCharacterSet characterSet; |
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characterSet.iConversionData=&CnvJisX0201::ConversionData(); |
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characterSet.iConvertFromIntermediateBufferInPlace=CnvShiftJis::DummyConvertFromIntermediateBufferInPlace; |
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characterSet.iEscapeSequence=&KNullDesC8; |
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iArrayOfCoreCharacterSets.Append(characterSet); |
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characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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characterSet.iConvertFromIntermediateBufferInPlace=CnvShiftJis::ConvertFromJisX0208ToShiftJisInPlace; |
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characterSet.iEscapeSequence=&KNullDesC8; |
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iArrayOfCoreCharacterSets.Append(characterSet); |
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} |
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} |
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|
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TCombinedArrayOfCharacterSets::~TCombinedArrayOfCharacterSets() |
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{ |
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iArrayOfCoreCharacterSets.Close(); |
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} |
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|
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|
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TArray<CnvUtilities::SCharacterSet> TCombinedArrayOfCharacterSets::Array() const |
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{ |
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return TArray<CnvUtilities::SCharacterSet>(CombinedCount, CombinedAccessor, REINTERPRET_CAST(const CBase*, this)); |
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} |
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|
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TInt TCombinedArrayOfCharacterSets::CombinedCount(const CBase* aThis) |
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{ |
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const TCombinedArrayOfCharacterSets& thisReference=*REINTERPRET_CAST(const TCombinedArrayOfCharacterSets*, aThis); |
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const TInt numberOfCoreCharacterSets=thisReference.iArrayOfCoreCharacterSets.Count(); |
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if (thisReference.iArrayOfAdditionalCharacterSets!=NULL) |
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{ |
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return numberOfCoreCharacterSets+thisReference.iArrayOfAdditionalCharacterSets->Count(); |
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} |
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return numberOfCoreCharacterSets; |
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} |
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|
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const TAny* TCombinedArrayOfCharacterSets::CombinedAccessor(const CBase* aThis, TInt aIndex) |
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{ |
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const TCombinedArrayOfCharacterSets& thisReference=*REINTERPRET_CAST(const TCombinedArrayOfCharacterSets*, aThis); |
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const TInt numberOfCoreCharacterSets=thisReference.iArrayOfCoreCharacterSets.Count(); |
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if (aIndex>=numberOfCoreCharacterSets) |
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{ |
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__ASSERT_DEBUG(thisReference.iArrayOfAdditionalCharacterSets!=NULL, Panic(EPanicIndexOverflow1)); |
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return &(*thisReference.iArrayOfAdditionalCharacterSets)[aIndex-numberOfCoreCharacterSets]; |
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} |
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return &thisReference.iArrayOfCoreCharacterSets[aIndex]; |
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} |
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|
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// TCombinedArrayOfMethods |
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|
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class TCombinedArrayOfMethods |
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{ |
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public: |
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TCombinedArrayOfMethods(const TArray<CnvUtilities::SMethod>* aArrayOfAdditionalMethods); |
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~TCombinedArrayOfMethods(); |
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TArray<CnvUtilities::SMethod> Array() const; |
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private: |
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static TInt CombinedCount(const CBase* aThis); |
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static const TAny* CombinedAccessor(const CBase* aThis, TInt aIndex); |
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private: |
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RArray<CnvUtilities::SMethod> iArrayOfCoreMethods; |
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const TArray<CnvUtilities::SMethod>* iArrayOfAdditionalMethods; |
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}; |
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|
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TCombinedArrayOfMethods::TCombinedArrayOfMethods(const TArray<CnvUtilities::SMethod>* aArrayOfAdditionalMethods) |
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:iArrayOfAdditionalMethods(aArrayOfAdditionalMethods) |
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{ |
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if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) ) |
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{ |
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SetMethodsForPictograph(iArrayOfCoreMethods, ECharsetShiftJis); |
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CnvUtilities::SMethod method; |
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method.iNumberOfBytesAbleToConvert=CnvShiftJis::NumberOfBytesAbleToConvertToJisX0201; |
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method.iConvertToIntermediateBufferInPlace=CnvShiftJis::DummyConvertToIntermediateBufferInPlace; |
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method.iConversionData=&CnvJisX0201::ConversionData(); |
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method.iNumberOfBytesPerCharacter=1; |
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method.iNumberOfCoreBytesPerCharacter=1; |
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iArrayOfCoreMethods.Append(method); |
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method.iNumberOfBytesAbleToConvert=CnvShiftJis::NumberOfBytesAbleToConvertToJisX0208; |
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method.iConvertToIntermediateBufferInPlace=CnvShiftJis::ConvertToJisX0208FromShiftJisInPlace; |
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method.iConversionData=&CnvJisX0208::ConversionData(); |
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method.iNumberOfBytesPerCharacter=2; |
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method.iNumberOfCoreBytesPerCharacter=2; |
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iArrayOfCoreMethods.Append(method); |
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} |
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else |
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{ |
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CnvUtilities::SMethod method; |
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method.iNumberOfBytesAbleToConvert=CnvShiftJis::NumberOfBytesAbleToConvertToJisX0201; |
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method.iConvertToIntermediateBufferInPlace=CnvShiftJis::DummyConvertToIntermediateBufferInPlace; |
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method.iConversionData=&CnvJisX0201::ConversionData(); |
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method.iNumberOfBytesPerCharacter=1; |
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method.iNumberOfCoreBytesPerCharacter=1; |
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iArrayOfCoreMethods.Append(method); |
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method.iNumberOfBytesAbleToConvert=CnvShiftJis::NumberOfBytesAbleToConvertToJisX0208; |
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method.iConvertToIntermediateBufferInPlace=CnvShiftJis::ConvertToJisX0208FromShiftJisInPlace; |
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method.iConversionData=&CnvJisX0208::ConversionData(); |
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method.iNumberOfBytesPerCharacter=2; |
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method.iNumberOfCoreBytesPerCharacter=2; |
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iArrayOfCoreMethods.Append(method); |
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} |
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} |
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|
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TCombinedArrayOfMethods::~TCombinedArrayOfMethods() |
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{ |
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iArrayOfCoreMethods.Close(); |
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} |
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|
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|
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TArray<CnvUtilities::SMethod> TCombinedArrayOfMethods::Array() const |
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{ |
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return TArray<CnvUtilities::SMethod>(CombinedCount, CombinedAccessor, REINTERPRET_CAST(const CBase*, this)); |
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} |
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|
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TInt TCombinedArrayOfMethods::CombinedCount(const CBase* aThis) |
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{ |
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const TCombinedArrayOfMethods& thisReference=*REINTERPRET_CAST(const TCombinedArrayOfMethods*, aThis); |
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const TInt numberOfCoreMethods=thisReference.iArrayOfCoreMethods.Count(); |
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if (thisReference.iArrayOfAdditionalMethods!=NULL) |
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{ |
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return numberOfCoreMethods+thisReference.iArrayOfAdditionalMethods->Count(); |
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} |
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return numberOfCoreMethods; |
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} |
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|
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const TAny* TCombinedArrayOfMethods::CombinedAccessor(const CBase* aThis, TInt aIndex) |
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{ |
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const TCombinedArrayOfMethods& thisReference=*REINTERPRET_CAST(const TCombinedArrayOfMethods*, aThis); |
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const TInt numberOfCoreMethods=thisReference.iArrayOfCoreMethods.Count(); |
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if (aIndex>=numberOfCoreMethods) |
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{ |
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__ASSERT_DEBUG(thisReference.iArrayOfAdditionalMethods!=NULL, Panic(EPanicIndexOverflow2)); |
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return &(*thisReference.iArrayOfAdditionalMethods)[aIndex-numberOfCoreMethods]; |
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} |
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return &thisReference.iArrayOfCoreMethods[aIndex]; |
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} |
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|
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// CnvShiftJis |
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|
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EXPORT_C const TDesC8& CnvShiftJis::ReplacementForUnconvertibleUnicodeCharacters() |
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{ |
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return KLit8ShiftJisReplacementForUnconvertibleUnicodeCharacters; |
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} |
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|
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EXPORT_C TInt CnvShiftJis::ConvertFromUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, TDes8& aForeign, const TDesC16& aUnicode, CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters) |
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{ |
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return DoConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, NULL); |
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} |
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|
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/** |
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* Converts text from Unicode to Shift-JIS (aArrayOfAdditionalCharacterSets provides support |
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* for Shift-JIS extensions) |
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* |
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* @since Internationalization_6.2 |
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*/ |
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EXPORT_C TInt CnvShiftJis::ConvertFromUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, TDes8& aForeign, const TDesC16& aUnicode, CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters, const TArray<CnvUtilities::SCharacterSet>& aArrayOfAdditionalCharacterSets) |
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{ |
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return DoConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, &aArrayOfAdditionalCharacterSets); |
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} |
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|
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EXPORT_C TInt CnvShiftJis::ConvertToUnicode( |
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CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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TDes16& aUnicode, const TDesC8& aForeign, |
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TInt& aNumberOfUnconvertibleCharacters, |
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TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter) |
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{ |
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// DummyData converts any pair of bytes into FFFD |
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static const SCnvConversionData::SVariableByteData::SRange |
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DummyByteLengths = {0, 255, 1, 0}; |
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static const SCnvConversionData::SOneDirectionData::SRange DummyConv = |
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{ 0xFFFD, 0xFFFD, |
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SCnvConversionData::SOneDirectionData::SRange::EDirect, 2, 0 }; |
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static const SCnvConversionData DummyData = |
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{ |
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SCnvConversionData::EFixedBigEndian, |
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{1, &DummyByteLengths}, |
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{1, &DummyConv}, |
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{1, &DummyConv} |
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}; |
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TFixedArray<CnvUtilities::SMethod, 2> nullExtension; |
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// First extension converts unrecognised double byte characters to FFFD |
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nullExtension[0].iNumberOfBytesAbleToConvert |
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= BytesInOtherDoubleByteAreas; |
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nullExtension[0].iConvertToIntermediateBufferInPlace |
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= CnvShiftJis::DummyConvertToIntermediateBufferInPlace; |
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// This conversion data won't do anything for us: it will just get us |
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// a load of FFFD, which is what we want. |
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nullExtension[0].iConversionData = &DummyData; |
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nullExtension[0].iNumberOfBytesPerCharacter = 2; |
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nullExtension[0].iNumberOfCoreBytesPerCharacter = 2; |
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// Second extension converts any other single byte to FFFD, |
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// but only ever one! |
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nullExtension[1].iNumberOfBytesAbleToConvert |
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= OneIfNotValid; |
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nullExtension[1].iConvertToIntermediateBufferInPlace |
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= CnvShiftJis::DummyConvertToIntermediateBufferInPlace; |
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// This conversion data won't do anything for us: it will just get us |
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// a load of FFFD, which is what we want. |
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nullExtension[1].iConversionData = &CnvJisX0201::ConversionData(); |
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nullExtension[1].iNumberOfBytesPerCharacter = 1; |
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nullExtension[1].iNumberOfCoreBytesPerCharacter = 1; |
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const TArray<CnvUtilities::SMethod> nullExtensionArray = nullExtension.Array(); |
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return DoConvertToUnicode(aDefaultEndiannessOfForeignCharacters, |
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aUnicode, aForeign, aNumberOfUnconvertibleCharacters, |
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aIndexOfFirstByteOfFirstUnconvertibleCharacter, |
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&nullExtensionArray); |
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} |
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|
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/** |
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* Converts text from Shift-JIS to Unicode (aArrayOfAdditionalMethods provides support |
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* for Shift-JIS extensions) |
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* |
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* @since Internationalization_6.2 |
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*/ |
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EXPORT_C TInt CnvShiftJis::ConvertToUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, TDes16& aUnicode, const TDesC8& aForeign, TInt& aNumberOfUnconvertibleCharacters, TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter, const TArray<CnvUtilities::SMethod>& aArrayOfAdditionalMethods) |
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{ |
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return DoConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter, &aArrayOfAdditionalMethods); |
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} |
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|
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TInt CnvShiftJis::DoConvertFromUnicode( |
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CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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TDes8& aForeign, const TDesC16& aUnicode, |
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CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters, |
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const TArray<CnvUtilities::SCharacterSet>* aArrayOfAdditionalCharacterSets) |
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{ |
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TCombinedArrayOfCharacterSets combinedArrayOfCharacterSets(aArrayOfAdditionalCharacterSets); |
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return CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, combinedArrayOfCharacterSets.Array()); |
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} |
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389 |
|
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TInt CnvShiftJis::DoConvertToUnicode( |
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CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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TDes16& aUnicode, const TDesC8& aForeign, |
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TInt& aNumberOfUnconvertibleCharacters, |
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TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter, |
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const TArray<CnvUtilities::SMethod>* aArrayOfAdditionalMethods) |
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396 |
{ |
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TCombinedArrayOfMethods combinedArrayOfMethods(aArrayOfAdditionalMethods); |
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TInt unconvert = CnvUtilities::ConvertToUnicodeFromHeterogeneousForeign( |
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diff
changeset
|
399 |
aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
aNumberOfUnconvertibleCharacters, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
aIndexOfFirstByteOfFirstUnconvertibleCharacter, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
combinedArrayOfMethods.Array()); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
// The following is specific impelementation for brower. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
// If brower app calls this API, the yen sign code(0xA5) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
// must be converted to backslash code(0x5C). |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
// Becasue Javascript supports backslash code ony. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
TBool browserProcess = (RProcess().SecureId().iId == KBrowserSecureId); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
if (browserProcess && aUnicode.Length() > 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
const TUint16* pB = aUnicode.Ptr(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
const TUint16* pbase = pB; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
const TUint16* pE = pB + aUnicode.Length() -1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
while (pE>=pbase) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
if (*pbase == KCharacterCodeForYenSign) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
aUnicode[pbase - pB] = KCharacterCodeForBackSlash; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
pbase++; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
return unconvert; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
void CnvShiftJis::DummyConvertFromIntermediateBufferInPlace(TInt, TDes8&, TInt& aNumberOfCharactersThatDroppedOut) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
aNumberOfCharactersThatDroppedOut=0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
void CnvShiftJis::ConvertFromJisX0208ToShiftJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
aNumberOfCharactersThatDroppedOut=0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
const TInt descriptorLength=aDescriptor.Length(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
__ASSERT_DEBUG(descriptorLength>aStartPositionInDescriptor, Panic(EPanicNothingToConvert1)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
__ASSERT_DEBUG((descriptorLength-aStartPositionInDescriptor)%2==0, Panic(EPanicOddNumberOfBytes1)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
TUint8* pointerToCurrentByte=CONST_CAST(TUint8*, aDescriptor.Ptr()); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
const TUint8* const pointerToLastByte=pointerToCurrentByte+(descriptorLength-1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
pointerToCurrentByte+=aStartPositionInDescriptor; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
FOREVER |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
TUint firstByte=*pointerToCurrentByte-0x21; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
TUint secondByte=*(pointerToCurrentByte+1)-0x21; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
if (firstByte%2!=0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
secondByte+=94; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
firstByte/=2; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
if (firstByte<KFirstByteRangeFirstBlockLength) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
firstByte+=KFirstByteRangeFirstBlockStart; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
firstByte+=KFirstByteRangeSecondBlockStart-KFirstByteRangeFirstBlockLength; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
if (secondByte<KSecondByteRangeFirstBlockLength) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
secondByte+=KSecondByteRangeFirstBlockStart; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
secondByte+=KSecondByteRangeSecondBlockStart-KSecondByteRangeFirstBlockLength; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
*pointerToCurrentByte=STATIC_CAST(TUint8, firstByte); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
++pointerToCurrentByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
*pointerToCurrentByte=STATIC_CAST(TUint8, secondByte); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
__ASSERT_DEBUG(pointerToCurrentByte<=pointerToLastByte, Panic(EPanicBadPointers1)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
if (pointerToCurrentByte>=pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
++pointerToCurrentByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
TInt CnvShiftJis::NumberOfBytesAbleToConvertToJisX0201(const TDesC8& aDescriptor) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
const TUint8* pointerToPreviousByte=aDescriptor.Ptr()-1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
const TUint8* const pointerToLastByte=pointerToPreviousByte+aDescriptor.Length(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
if (pointerToPreviousByte==pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
return 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
FOREVER |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
__ASSERT_DEBUG(pointerToPreviousByte<pointerToLastByte, Panic(EPanicBadPointers2)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
const TUint currentByte=*(pointerToPreviousByte+1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
if (((currentByte>KSingleByteRangeFirstBlockEnd) && (currentByte<KSingleByteRangeSecondBlockStart)) || |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
(currentByte>KSingleByteRangeSecondBlockEnd)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
__ASSERT_DEBUG(pointerToPreviousByte<pointerToLastByte, Panic(EPanicBadPointers3)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
++pointerToPreviousByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
__ASSERT_DEBUG(pointerToPreviousByte<=pointerToLastByte, Panic(EPanicBadPointers4)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
if (pointerToPreviousByte>=pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
return (pointerToPreviousByte+1)-aDescriptor.Ptr(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
TInt CnvShiftJis::NumberOfBytesAbleToConvertToJisX0208(const TDesC8& aDescriptor) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
const TUint8* pointerToPreviousByte=aDescriptor.Ptr()-1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
const TUint8* const pointerToLastByte=pointerToPreviousByte+aDescriptor.Length(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
if (pointerToPreviousByte==pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
return 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
FOREVER |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
__ASSERT_DEBUG(pointerToPreviousByte<pointerToLastByte, Panic(EPanicBadPointers5)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
TUint currentByte=*(pointerToPreviousByte+1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
if (!IsJisX0208LeadByte(currentByte)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
if (!IsOtherLeadByte(currentByte)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
__ASSERT_DEBUG(pointerToPreviousByte<pointerToLastByte, Panic(EPanicBadPointers6)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
if (pointerToPreviousByte+1>=pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
__ASSERT_DEBUG(pointerToPreviousByte+2<=pointerToLastByte, Panic(EPanicBadPointers7)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
currentByte=*(pointerToPreviousByte+2); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
if (!IsValidTrailByte(currentByte)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
pointerToPreviousByte+=2; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
__ASSERT_DEBUG(pointerToPreviousByte<=pointerToLastByte, Panic(EPanicBadPointers8)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
if (pointerToPreviousByte>=pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
return (pointerToPreviousByte+1)-aDescriptor.Ptr(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
void CnvShiftJis::DummyConvertToIntermediateBufferInPlace(TDes8&) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
void CnvShiftJis::ConvertToJisX0208FromShiftJisInPlace(TDes8& aDescriptor) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
const TInt descriptorLength=aDescriptor.Length(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
__ASSERT_DEBUG(descriptorLength>0, Panic(EPanicNothingToConvert2)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
__ASSERT_DEBUG(descriptorLength%2==0, Panic(EPanicOddNumberOfBytes2)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
TUint8* pointerToCurrentByte=CONST_CAST(TUint8*, aDescriptor.Ptr()); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
const TUint8* const pointerToLastByte=pointerToCurrentByte+(descriptorLength-1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
FOREVER |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
TUint firstByte=*pointerToCurrentByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
TUint secondByte=*(pointerToCurrentByte+1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
if (firstByte<KFirstByteRangeSecondBlockStart) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
firstByte-=KFirstByteRangeFirstBlockStart; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
firstByte-=KFirstByteRangeSecondBlockStart-KFirstByteRangeFirstBlockLength; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
if (secondByte<KSecondByteRangeSecondBlockStart) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
secondByte-=KSecondByteRangeFirstBlockStart; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
secondByte-=KSecondByteRangeSecondBlockStart-KSecondByteRangeFirstBlockLength; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
firstByte*=2; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
if (secondByte>=94) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
++firstByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
secondByte-=94; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
firstByte+=0x21; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
secondByte+=0x21; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
*pointerToCurrentByte=STATIC_CAST(TUint8, firstByte); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
++pointerToCurrentByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
*pointerToCurrentByte=STATIC_CAST(TUint8, secondByte); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
__ASSERT_DEBUG(pointerToCurrentByte<=pointerToLastByte, Panic(EPanicBadPointers9)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
if (pointerToCurrentByte>=pointerToLastByte) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
++pointerToCurrentByte; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
TInt BytesInOtherDoubleByteAreas(const TDesC8& aShiftJis) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
const TText8* start = aShiftJis.Ptr(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
const TText8* end = start + aShiftJis.Length() - 1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
const TText8* p = start; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
while (p < end && IsOtherLeadByte(p[0]) && IsValidTrailByte(p[1])) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
p += 2; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
return p - start; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
TInt OneIfNotValid(const TDesC8& aShiftJis) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
TInt length = aShiftJis.Length(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
if (length == 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
return 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
TInt c = aShiftJis[0]; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
// If the next byte is not a lead byte, we can swallow it. The |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
// double-byte methods obviously can't be waiting for more |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
// information. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
if (!IsOtherLeadByte(c) && !IsJisX0208LeadByte(c)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
return 1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
// Otherwise we have a lead byte. If it is on its own we cannot |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
// swallow it as the double-byte converters will be waiting for |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
// more information. If they have the information (i.e. if length > 1) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
// then they have passed on it and we can swallow it. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
return length == 1? 0 : 1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
} |