os/textandloc/charconvfw/charconvplugins/src/plugins/EUCKR.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 /*
     2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:    This file is a source code file for a charconv plug-in.
    15 *                This plug-in supports EUC-KR.
    16 *
    17 */
    18 
    19 
    20 
    21 // INCLUDES
    22 #include <e32std.h>
    23 #include <charconv.h>
    24 #include <convgeneratedcpp.h>
    25 #include <ecom/implementationproxy.h>
    26 #include "cp949table.h"
    27 #include "charactersetconverter.h"
    28 // New Interface class
    29 class CEUCKRImplementation : public CCharacterSetConverterPluginInterface
    30 {
    31     public:
    32         virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
    33 
    34         virtual TInt ConvertFromUnicode(
    35             CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
    36             const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
    37             TDes8& aForeign, 
    38             const TDesC16& aUnicode, 
    39             CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters );
    40 
    41         virtual TInt ConvertToUnicode(
    42             CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
    43             TDes16& aUnicode, 
    44             const TDesC8& aForeign, 
    45             TInt&, 
    46             TInt& aNumberOfUnconvertibleCharacters, 
    47             TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter );
    48 
    49         virtual TBool IsInThisCharacterSetL(
    50             TBool& aSetToTrue, 
    51             TInt& aConfidenceLevel, 
    52             const TDesC8& );
    53 
    54         static CEUCKRImplementation* NewL();
    55 
    56         virtual ~CEUCKRImplementation();
    57 
    58     private:
    59         CEUCKRImplementation();
    60 };
    61 
    62 // FUNCTION DEFINITIONS
    63 const TDesC8& CEUCKRImplementation::ReplacementForUnconvertibleUnicodeCharacters()
    64 	{
    65 	return CnvCp949Table::ReplacementForUnconvertibleUnicodeCharacters();
    66 	}
    67 
    68 TInt CEUCKRImplementation::ConvertFromUnicode(
    69     CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
    70     const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
    71     TDes8& aForeign, 
    72     const TDesC16& aUnicode, 
    73     CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)
    74 	{
    75 	return CCnvCharacterSetConverter::DoConvertFromUnicode(CnvCp949Table::ConversionData(), aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters);
    76 	}
    77 
    78 TInt CEUCKRImplementation::ConvertToUnicode(
    79     CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
    80     TDes16& aUnicode, 
    81     const TDesC8& aForeign, 
    82     TInt&, 
    83     TInt& aNumberOfUnconvertibleCharacters, 
    84     TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)
    85 	{
    86     return CCnvCharacterSetConverter::DoConvertToUnicode(CnvCp949Table::ConversionData(), aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
    87 	}
    88 
    89 
    90 TBool CEUCKRImplementation::IsInThisCharacterSetL(
    91     TBool& aSetToTrue, 
    92     TInt& aConfidenceLevel, 
    93     const TDesC8& /*aBuf*/)
    94 	{
    95 /*
    96 	aSetToTrue=ETrue;
    97     aConfidenceLevel=50;
    98     
    99     TUint8 ch(0);
   100     for (TInt i=0;i<aBuf.Length();i++)
   101         {
   102         ch=aBuf[i];
   103         if (ch<0x7F)
   104             {
   105             continue;
   106             }
   107         else if (0xa1<=ch&&ch<=0xfe)
   108             {
   109             i++;
   110             __ASSERT_DEBUG(i<aBuf.Length(),User::Panic(_L("EUCKR"),__LINE__));
   111             }
   112         else
   113             {
   114             aConfidenceLevel=0;
   115             aSetToTrue=EFalse;
   116             break;
   117             }
   118         }    
   119 	return aSetToTrue;
   120 */
   121 	aSetToTrue=ETrue;
   122 	aConfidenceLevel=0;
   123 	return EFalse;
   124 	}
   125 
   126 CEUCKRImplementation* CEUCKRImplementation::NewL()
   127     {
   128     CEUCKRImplementation* self = new(ELeave) CEUCKRImplementation;
   129     return self;
   130     }
   131 
   132 CEUCKRImplementation::CEUCKRImplementation()
   133     {
   134     //default constructor.. do nothing
   135     }
   136 
   137 CEUCKRImplementation::~CEUCKRImplementation()
   138     {
   139     //default destructor .. do nothing
   140     }
   141 
   142 // ECOM CREATION FUNCTION
   143 const TImplementationProxy ImplementationTable[] = 
   144     {
   145     // Note: This is the same UID as defined in old mmp-file
   146     // Used also in 12221212.rss ( implementation_uid )
   147     IMPLEMENTATION_PROXY_ENTRY( 0x2000E526, CEUCKRImplementation::NewL )
   148     };
   149 
   150 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )
   151     {
   152     aTableCount = sizeof( ImplementationTable ) / sizeof(TImplementationProxy);
   153     return ImplementationTable;
   154     }
   155