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CXmlEncoding Class Reference

class CXmlEncoding : public CBase

A misc. char-encoding related utilities.

Library: FeedsEngine.lib

Since: 3.0

Inherits from

CXmlEncoding
- CBase

Nested Classes and Structures

CXmlEncoding::SupportedEncodings

Public Member Functions
	~CXmlEncoding()
IMPORT_C HBufC16 *	ConvertToUcs2L(TUint, const TDesC8 &)
IMPORT_C HBufC8 *	ConvertToUtf8L(TUint, const TDesC8 &)
TBool	DetermineCharEncodingFromBom(const TDesC8 &, TUint &)
TBool	DetermineCharEncodingFromXmlProlog(const TDesC8 &, TUint &)
IMPORT_C TBool	DetermineCharEncodingL(const TDesC8 &, const TDesC &, TUint &)
IMPORT_C CXmlEncoding *	NewL()
TBool	ResolveCharEncodingL(const TDesC8 &, TUint &)
void	StripCharEncoding(HBufC8 &)
void	StripCharEncoding(HBufC16 &)

Private Member Functions
	CXmlEncoding()
void	ConstructL()
HBufC8 *	ConvertToUtf8L(HBufC16 &)
TBool	FindEncoding(const TDesC8 &, TInt &, TInt &, TInt &, TInt &)
TBool	FindEncoding(const TDesC &, TInt &, TInt &, TInt &, TInt &)

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()

Private Attributes
RArray< SupportedEncodings >	iCharEncodings
CCnvCharacterSetConverter *	iConverter
RFs	iRfs

Constructor & Destructor Documentation

CXmlEncoding()

CXmlEncoding

(

)

[private]

C++ default constructor.

~CXmlEncoding()

~CXmlEncoding

(

)

[virtual]

Destructor.

Member Functions Documentation

ConstructL()

void

ConstructL

(

)

[private]

By default Symbian 2nd phase constructor is private.

ConvertToUcs2L(TUint, const TDesC8 &)

IMPORT_C HBufC16 *	ConvertToUcs2L	(	TUint	aEncoding,
			const TDesC8 &	aBuffer
		)	const

Converts the given native buffer into ucs2.

Since: 3.0

Parameters

TUint aEncoding	The encoding.
const TDesC8 & aBuffer	The native buffer.

ConvertToUtf8L(TUint, const TDesC8 &)

IMPORT_C HBufC8 *	ConvertToUtf8L	(	TUint	aEncoding,
			const TDesC8 &	aBuffer
		)	const

Converts the given native buffer into utf8.

Since: 3.0

Parameters

TUint aEncoding	The encoding.
const TDesC8 & aBuffer	The native buffer.

ConvertToUtf8L(HBufC16 &)

HBufC8 *

ConvertToUtf8L

(

HBufC16 &

aUsc2Buffer

)

const [private]

Converts the given ucs2 buffer into utf8.

Since: 3.0

Parameters

HBufC16 & aUsc2Buffer

The ucs2 buffer.

DetermineCharEncodingFromBom(const TDesC8 &, TUint &)

TBool	DetermineCharEncodingFromBom	(	const TDesC8 &	aBuffer,
			TUint &	aEncoding
		)	const

Determine the char-encoding from the BOM.

Since: 3.0

Parameters

const TDesC8 & aBuffer	The native buffer.
TUint & aEncoding	The resulting encoding.

DetermineCharEncodingFromXmlProlog(const TDesC8 &, TUint &)

TBool	DetermineCharEncodingFromXmlProlog	(	const TDesC8 &	aBuffer,
			TUint &	aEncoding
		)	const

Determine the char-encoding from the char-encoding in the xml-prolog.

Since: 3.1

Parameters

const TDesC8 & aBuffer	The native buffer.
TUint & aEncoding	The resulting encoding.

DetermineCharEncodingL(const TDesC8 &, const TDesC &, TUint &)

IMPORT_C TBool	DetermineCharEncodingL	(	const TDesC8 &	aBuffer,
			const TDesC &	aCharSet,
			TUint &	aEncoding
		)	const

Determine the char-encoding.

Since: 3.0

Parameters

const TDesC8 & aBuffer	The native buffer.
const TDesC & aCharSet	The char-set provided by the orignal source
TUint & aEncoding	The resulting encoding.

FindEncoding(const TDesC8 &, TInt &, TInt &, TInt &, TInt &)

TBool	FindEncoding	(	const TDesC8 &	aBuffer,
			TInt &	aBegin,
			TInt &	aEnd,
			TInt &	aValueBegin,
			TInt &	aValueEnd
		)	const [private]

Finds the location of the encoding attribute in the xml-prolog.

Since: 3.0

Parameters

const TDesC8 & aBuffer	The native buffer.
TInt & aBegin	The beginning of the attribute.
TInt & aEnd	The end of the attribute.
TInt & aValueBegin	The beginning of the encoding's value.
TInt & aValueEnd	The end of the encoding's value

FindEncoding(const TDesC &, TInt &, TInt &, TInt &, TInt &)

TBool	FindEncoding	(	const TDesC &	aBuffer,
			TInt &	aBegin,
			TInt &	aEnd,
			TInt &	aValueBegin,
			TInt &	aValueEnd
		)	const [private]

Finds the location of the encoding attribute in the xml-prolog.

Since: 3.0

Parameters

const TDesC & aBuffer	The ucs2 buffer.
TInt & aBegin	The beginning of the attribute.
TInt & aEnd	The end of the attribute.
TInt & aValueBegin	The beginning of the encoding's value.
TInt & aValueEnd	The end of the encoding's value

NewL()

IMPORT_C CXmlEncoding *

NewL

(

)

[static]

Two-phased constructor.

ResolveCharEncodingL(const TDesC8 &, TUint &)

TBool	ResolveCharEncodingL	(	const TDesC8 &	aCharEncoding,
			TUint &	aUid
		)	const

Resolves the given char-encoding into its uid.

Since: 3.0

Parameters

const TDesC8 & aCharEncoding	The encoding.
TUint & aUid	The resulting uid for the given encoding.

StripCharEncoding(HBufC8 &)

void

StripCharEncoding

(

HBufC8 &

aUtf8Buffer

)

const

Erase the char-encoding attribute (if any) from the xml-prolog.

Since: 3.0

Parameters

HBufC8 & aUtf8Buffer

The utf8 buffer.

StripCharEncoding(HBufC16 &)

void

StripCharEncoding

(

HBufC16 &

aUcs2Buffer

)

const

Erase the char-encoding attribute (if any) from the xml-prolog.

Since: 3.0

Parameters

HBufC16 & aUcs2Buffer

Member Data Documentation

RArray< SupportedEncodings > iCharEncodings

RArray< SupportedEncodings >

iCharEncodings

[private]

CCnvCharacterSetConverter * iConverter

CCnvCharacterSetConverter *

iConverter

[private]

RFs iRfs

RFs

iRfs

[private]