charconvfw/Charconv/ongoing/Source/foreign/plugins/GB2312.CPP
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 16:55:07 +0300
changeset 16 56cd22a7a1cb
parent 0 1fb32624e06b
permissions -rw-r--r--
Revision: 201011 Kit: 201015

/*
* Copyright (c) 2312 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:      
*
*/








#include <e32std.h>
#include <charconv.h>
#include <gb2312.h>
#include <ecom/implementationproxy.h>
#include "charactersetconverter.h"

class CGB2312ConverterImpl : public CCharacterSetConverterPluginInterface
	{

public:
	virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();

	virtual TInt ConvertFromUnicode(
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
		TDes8& aForeign, 
		const TDesC16& aUnicode, 
		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);

	virtual TInt ConvertToUnicode(
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
		TDes16& aUnicode, 
		const TDesC8& aForeign, 
		TInt& aState, 
		TInt& aNumberOfUnconvertibleCharacters, 
		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);

	virtual TBool IsInThisCharacterSetL(
		TBool& aSetToTrue, 
		TInt& aConfidenceLevel, 
		const TDesC8& aSample);

	static CGB2312ConverterImpl* NewL();
	virtual ~CGB2312ConverterImpl();

private:
	CGB2312ConverterImpl();
	void ConstructL();

	};



const TDesC8& CGB2312ConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
	{
	return CnvGb2312::ReplacementForUnconvertibleUnicodeCharacters();
	}

TInt CGB2312ConverterImpl::ConvertFromUnicode(
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
		TDes8& aForeign, 
		const TDesC16& aUnicode, 
		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)
	{
	return CCnvCharacterSetConverter::DoConvertFromUnicode(CnvGb2312::ConversionData(), aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters);
	}

TInt CGB2312ConverterImpl::ConvertToUnicode(
		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
		TDes16& aUnicode, 
		const TDesC8& aForeign, 
		TInt& /*aState*/, 
		TInt& aNumberOfUnconvertibleCharacters, 
		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)
	{
	return CCnvCharacterSetConverter::DoConvertToUnicode(CnvGb2312::ConversionData(), aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
	}

TBool CGB2312ConverterImpl::IsInThisCharacterSetL(
		TBool& aSetToTrue, 
		TInt& aConfidenceLevel, 
		const TDesC8& aSample)
	{
	aSetToTrue=ETrue;
	return CnvGb2312::IsCharGBBased(aConfidenceLevel, aSample);
	}

CGB2312ConverterImpl* CGB2312ConverterImpl::NewL()
	{
	CGB2312ConverterImpl* self = new(ELeave) CGB2312ConverterImpl();
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
	}

CGB2312ConverterImpl::~CGB2312ConverterImpl()
	{
	}

CGB2312ConverterImpl::CGB2312ConverterImpl()
	{
	}

void CGB2312ConverterImpl::ConstructL()
	{
	}

const TImplementationProxy ImplementationTable[] = 
	{
		IMPLEMENTATION_PROXY_ENTRY(0x10000FBE,CGB2312ConverterImpl::NewL)
	};

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
	{
	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

	return ImplementationTable;
	}