os/textandloc/charconvfw/charconvplugins/src/plugins/ISO2022JP1_2.CPP
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
sl@0
     1
/*
sl@0
     2
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     3
* All rights reserved.
sl@0
     4
* This component and the accompanying materials are made available
sl@0
     5
* under the terms of "Eclipse Public License v1.0"
sl@0
     6
* which accompanies this distribution, and is available
sl@0
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     8
*
sl@0
     9
* Initial Contributors:
sl@0
    10
* Nokia Corporation - initial contribution.
sl@0
    11
*
sl@0
    12
* Contributors:
sl@0
    13
*
sl@0
    14
* Description:       
sl@0
    15
*
sl@0
    16
*/
sl@0
    17
sl@0
    18
#include "PictographObserver.h"
sl@0
    19
#include "featmgr/featmgr.h"
sl@0
    20
sl@0
    21
#include <e32std.h>
sl@0
    22
#include <charconv.h>
sl@0
    23
#include <convutils.h>
sl@0
    24
#include "jisbase.h"
sl@0
    25
#include "jisx0201.h"
sl@0
    26
#include "jisx0208.h"
sl@0
    27
#include "jisx0212.h"
sl@0
    28
#include <ecom/implementationproxy.h>
sl@0
    29
#include "charactersetconverter.h"
sl@0
    30
sl@0
    31
_LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");
sl@0
    32
_LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");
sl@0
    33
//_LIT8(KLit8EscapeSequenceForJisC6226_1978, "\x1b\x24\x40");
sl@0
    34
_LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");
sl@0
    35
_LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44");
sl@0
    36
//_LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49");
sl@0
    37
_LIT8(KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark
sl@0
    38
sl@0
    39
sl@0
    40
class CISO2022JP1ConverterImpl : public CCharacterSetConverterPluginInterface
sl@0
    41
	{
sl@0
    42
sl@0
    43
public:
sl@0
    44
	virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
sl@0
    45
sl@0
    46
	virtual TInt ConvertFromUnicode(
sl@0
    47
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0
    48
		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
sl@0
    49
		TDes8& aForeign, 
sl@0
    50
		const TDesC16& aUnicode, 
sl@0
    51
		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);
sl@0
    52
sl@0
    53
	virtual TInt ConvertToUnicode(
sl@0
    54
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0
    55
		TDes16& aUnicode, 
sl@0
    56
		const TDesC8& aForeign, 
sl@0
    57
		TInt& aState, 
sl@0
    58
		TInt& aNumberOfUnconvertibleCharacters, 
sl@0
    59
		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0
    60
sl@0
    61
	virtual TBool IsInThisCharacterSetL(
sl@0
    62
		TBool& aSetToTrue, 
sl@0
    63
		TInt& aConfidenceLevel, 
sl@0
    64
		const TDesC8& aSample);
sl@0
    65
sl@0
    66
	static CISO2022JP1ConverterImpl* NewL();
sl@0
    67
	virtual ~CISO2022JP1ConverterImpl();
sl@0
    68
sl@0
    69
private:
sl@0
    70
	CISO2022JP1ConverterImpl();
sl@0
    71
	void ConstructL();
sl@0
    72
sl@0
    73
	};
sl@0
    74
sl@0
    75
sl@0
    76
const TDesC8& CISO2022JP1ConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
sl@0
    77
	{
sl@0
    78
	return KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters;
sl@0
    79
	}
sl@0
    80
sl@0
    81
LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0
    82
	{
sl@0
    83
	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1);
sl@0
    84
	}
sl@0
    85
sl@0
    86
LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0
    87
	{
sl@0
    88
	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1);
sl@0
    89
	}
sl@0
    90
sl@0
    91
LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0
    92
	{
sl@0
    93
	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2);
sl@0
    94
	}
sl@0
    95
sl@0
    96
LOCAL_C void ConvertFromJisX0212ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0
    97
	{
sl@0
    98
	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0212_1990, 2);
sl@0
    99
	}
sl@0
   100
sl@0
   101
TInt CISO2022JP1ConverterImpl::ConvertFromUnicode(
sl@0
   102
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0
   103
		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
sl@0
   104
		TDes8& aForeign, 
sl@0
   105
		const TDesC16& aUnicode, 
sl@0
   106
		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)
sl@0
   107
	{
sl@0
   108
    TInt ret = KErrNone;
sl@0
   109
    RArray<CnvUtilities::SCharacterSet> characterSets;
sl@0
   110
    if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) )
sl@0
   111
        {        
sl@0
   112
        CnvUtilities::SCharacterSet characterSet;
sl@0
   113
        characterSet.iConversionData=&CnvJisRoman::ConversionData();
sl@0
   114
        characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
sl@0
   115
        characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
sl@0
   116
        ret |= characterSets.Append(characterSet);
sl@0
   117
        characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
sl@0
   118
        characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
sl@0
   119
        characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;
sl@0
   120
        ret |= characterSets.Append(characterSet);
sl@0
   121
        characterSet.iConversionData=&CnvJisX0208::ConversionData();
sl@0
   122
        characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
sl@0
   123
        characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
sl@0
   124
        ret |= characterSets.Append(characterSet);
sl@0
   125
        characterSet.iConversionData=&CnvJisX0212::ConversionData();
sl@0
   126
        characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
sl@0
   127
        characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
sl@0
   128
        ret |= characterSets.Append(characterSet);
sl@0
   129
sl@0
   130
        SetCharacterSetsForPictograph(characterSets);
sl@0
   131
        }
sl@0
   132
    else
sl@0
   133
        {        
sl@0
   134
        CnvUtilities::SCharacterSet characterSet;
sl@0
   135
	    characterSet.iConversionData=&CnvJisRoman::ConversionData();
sl@0
   136
	    characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
sl@0
   137
	    characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
sl@0
   138
	    ret |= characterSets.Append(characterSet);
sl@0
   139
    	characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
sl@0
   140
    	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
sl@0
   141
    	characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;
sl@0
   142
    	ret |= characterSets.Append(characterSet);
sl@0
   143
    	characterSet.iConversionData=&CnvJisX0208::ConversionData();
sl@0
   144
    	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
sl@0
   145
    	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
sl@0
   146
    	ret |= characterSets.Append(characterSet);
sl@0
   147
    	characterSet.iConversionData=&CnvJisX0212::ConversionData();
sl@0
   148
    	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
sl@0
   149
    	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
sl@0
   150
    	ret |= characterSets.Append(characterSet);
sl@0
   151
        }
sl@0
   152
    __ASSERT_DEBUG(!ret, User::Panic(_L("RArray append failure"), ret));
sl@0
   153
	TUint notUsed;
sl@0
   154
	TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet;
sl@0
   155
    TInt unconvert = CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, 
sl@0
   156
        characterSets.Array(),notUsed,inputConversionFlags);
sl@0
   157
sl@0
   158
    characterSets.Close();
sl@0
   159
    return unconvert;
sl@0
   160
	}
sl@0
   161
sl@0
   162
TInt CISO2022JP1ConverterImpl::ConvertToUnicode(
sl@0
   163
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0
   164
		TDes16& aUnicode, 
sl@0
   165
		const TDesC8& aForeign, 
sl@0
   166
		TInt& aState, 
sl@0
   167
		TInt& aNumberOfUnconvertibleCharacters, 
sl@0
   168
		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)
sl@0
   169
	{
sl@0
   170
	return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0
   171
	}
sl@0
   172
sl@0
   173
TBool CISO2022JP1ConverterImpl::IsInThisCharacterSetL(
sl@0
   174
		TBool& aSetToTrue, 
sl@0
   175
		TInt& aConfidenceLevel, 
sl@0
   176
		const TDesC8& aSample)
sl@0
   177
	{
sl@0
   178
	aSetToTrue=ETrue;
sl@0
   179
	CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample);
sl@0
   180
	return ETrue;
sl@0
   181
	}
sl@0
   182
sl@0
   183
CISO2022JP1ConverterImpl* CISO2022JP1ConverterImpl::NewL()
sl@0
   184
	{
sl@0
   185
	CISO2022JP1ConverterImpl* self = new(ELeave) CISO2022JP1ConverterImpl();
sl@0
   186
	CleanupStack::PushL(self);
sl@0
   187
	self->ConstructL();
sl@0
   188
	CleanupStack::Pop(self);
sl@0
   189
	return self;
sl@0
   190
	}
sl@0
   191
sl@0
   192
CISO2022JP1ConverterImpl::~CISO2022JP1ConverterImpl()
sl@0
   193
	{
sl@0
   194
	FeatureManager::UnInitializeLib();
sl@0
   195
	}
sl@0
   196
sl@0
   197
CISO2022JP1ConverterImpl::CISO2022JP1ConverterImpl()
sl@0
   198
	{
sl@0
   199
	}
sl@0
   200
sl@0
   201
void CISO2022JP1ConverterImpl::ConstructL()
sl@0
   202
	{
sl@0
   203
	FeatureManager::InitializeLibL();
sl@0
   204
	}
sl@0
   205
sl@0
   206
const TImplementationProxy ImplementationTable[] = 
sl@0
   207
	{
sl@0
   208
#ifdef S60_TEST
sl@0
   209
    IMPLEMENTATION_PROXY_ENTRY(0x01000009,  CISO2022JP1ConverterImpl::NewL)
sl@0
   210
#else
sl@0
   211
	IMPLEMENTATION_PROXY_ENTRY(0x100066A3,	CISO2022JP1ConverterImpl::NewL)
sl@0
   212
#endif	
sl@0
   213
	};
sl@0
   214
sl@0
   215
EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0
   216
	{
sl@0
   217
	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0
   218
sl@0
   219
	return ImplementationTable;
sl@0
   220
	}
sl@0
   221