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TAiwVariant Class Reference

class TAiwVariant

Variant data class to hold a value of a TAiwGenericParam instance. The variant contains a data type and a value. This class is attached to TAiwGenericParam instance which holds the semantic type of the value.

ServiceHandler.lib
Since
Series 60 2.6
TAiwGenericParam

Nested Classes and Structures

Public Member Functions
TAiwVariant ()
TAiwVariant ( TInt32 )
TAiwVariant (const TUid &)
TAiwVariant (const TTime &)
TAiwVariant (const TDesC &)
TAiwVariant (const HBufC *)
TAiwVariant (const TDesC8 &)
TAiwVariant (const RFile &)
TAiwVariant (const TAiwVariant &)
IMPORT_C TPtrC8 AsData ()
IMPORT_C TPtrC AsDes ()
IMPORT_C RFile AsFileHandle ()
IMPORT_C TInt32 AsTInt32 ()
IMPORT_C TTime AsTTime ()
IMPORT_C TUid AsTUid ()
IMPORT_C TBool Get ( TInt32 &)
IMPORT_C TBool Get ( TUid &)
IMPORT_C TBool Get ( TPtrC &)
IMPORT_C TBool Get ( TTime &)
IMPORT_C TBool Get ( TPtrC8 &)
IMPORT_C TBool Get ( RFile &)
TBool IsEmpty ()
IMPORT_C void Reset ()
IMPORT_C void Set ( TInt32 )
IMPORT_C void Set (const TUid &)
IMPORT_C void Set (const TTime &)
IMPORT_C void Set (const TDesC &)
void Set (const HBufC *)
IMPORT_C void Set (const TDesC8 &)
IMPORT_C void Set (const RFile &)
TVariantTypeId TypeId ()
IMPORT_C TAiwVariant & operator= (const TAiwVariant &)
TAiwVariant & operator= (const TTime &)
TAiwVariant & operator= (const TUid &)
TAiwVariant & operator= ( TInt32 )
TAiwVariant & operator= (const TDesC &)
TAiwVariant & operator= (const HBufC *)
TAiwVariant & operator= (const TDesC8 &)
TAiwVariant & operator= (const RFile &)
Private Member Functions
void Destroy ()
void ExternalizeL ( RWriteStream &)
void InternalizeL ( RReadStream &)
void SetL (const TAiwVariant &)
TInt Size ()
void __DbgTestInvariant ()
Private Attributes
UData iData
TPtrC iPtrC
TPtrC8 iPtrC8
TUint8 iTypeId

Constructor & Destructor Documentation

TAiwVariant()

TAiwVariant ( ) [inline]

Default constructor. Initializes this variant to be empty.

Post-condition
IsEmpty()

TAiwVariant(TInt32)

TAiwVariant ( TInt32 aValue ) [inline]

Constructor from a value.

Parameters

TInt32 aValue The value to set for this variant object.

TAiwVariant(const TUid &)

TAiwVariant ( const TUid & aValue ) [inline]

Constructor from a value.

Parameters

const TUid & aValue The value to set for this variant object.

TAiwVariant(const TTime &)

TAiwVariant ( const TTime & aValue ) [inline]

Constructor from a value.

Parameters

const TTime & aValue The value to set for this variant object.

TAiwVariant(const TDesC &)

TAiwVariant ( const TDesC & aValue ) [inline]

Constructor from a value.

Parameters

const TDesC & aValue The value to set for this variant object.

TAiwVariant(const HBufC *)

TAiwVariant ( const HBufC * aValue ) [inline]

Constructor from a value.

Parameters

const HBufC * aValue The value to set for this variant object.

TAiwVariant(const TDesC8 &)

TAiwVariant ( const TDesC8 & aValue ) [inline]

Constructor from a value.

Parameters

const TDesC8 & aValue The value to set for this variant object.

TAiwVariant(const RFile &)

TAiwVariant ( const RFile & aValue ) [inline]

Constructor from a value.

Parameters

const RFile & aValue The value to set for this variant object.

TAiwVariant(const TAiwVariant &)

IMPORT_C TAiwVariant ( const TAiwVariant & aSrc )

Copy constructor. Does not take ownership of data.

Parameters

const TAiwVariant & aSrc The source object.

Member Functions Documentation

AsData()

IMPORT_C TPtrC8 AsData ( ) const

Returns the value held by this variant.

AsDes()

IMPORT_C TPtrC AsDes ( ) const

Returns the value held by this variant.

AsFileHandle()

IMPORT_C RFile AsFileHandle ( ) const

Returns the value held by this variant.

AsTInt32()

IMPORT_C TInt32 AsTInt32 ( ) const

Returns the value held by this variant.

AsTTime()

IMPORT_C TTime AsTTime ( ) const

Returns the value held by this variant.

AsTUid()

IMPORT_C TUid AsTUid ( ) const

Returns the value held by this variant.

Destroy()

void Destroy ( ) [private]

Destroys any dynamic resource owned by this variant.

ExternalizeL(RWriteStream &)

void ExternalizeL ( RWriteStream & aStream ) const [private]

Streaming support for TAiwGenericParam . Externalizes this variant to a stream.

Parameters

RWriteStream & aStream

Get(TInt32 &)

IMPORT_C TBool Get ( TInt32 & aValue ) const

Retrieves the value held by this variant.

Parameters

TInt32 & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

Get(TUid &)

IMPORT_C TBool Get ( TUid & aValue ) const

Retrieves the value held by this variant.

Parameters

TUid & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

Get(TPtrC &)

IMPORT_C TBool Get ( TPtrC & aValue ) const

Retrieves the value held by this variant.

Parameters

TPtrC & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

Get(TTime &)

IMPORT_C TBool Get ( TTime & aValue ) const

Retrieves the value held by this variant.

Parameters

TTime & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

Get(TPtrC8 &)

IMPORT_C TBool Get ( TPtrC8 & aValue ) const

Retrieves the value held by this variant.

Parameters

TPtrC8 & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

Get(RFile &)

IMPORT_C TBool Get ( RFile & aValue ) const

Retrieves the value held by this variant.

Parameters

RFile & aValue If this variant's type does not match the parameter type, the parameter will not be modified.

InternalizeL(RReadStream &)

void InternalizeL ( RReadStream & aStream ) [private]

Streaming support for TAiwGenericParam . Internalizes this variant from a stream.

Parameters

RReadStream & aStream

IsEmpty()

TBool IsEmpty ( ) const [inline]

Returns ETrue if this variant is empty (it does not hold any value).

Reset()

IMPORT_C void Reset ( )

Deletes possibly set value and resets this variant to empty.

Post-condition
IsEmpty()

Set(TInt32)

IMPORT_C void Set ( TInt32 aValue )

Sets integer value to this variant. The previous value is overwritten.

Post-condition
*this == aValue

Parameters

TInt32 aValue Value for this variant object to hold.

Set(const TUid &)

IMPORT_C void Set ( const TUid & aValue )

Sets unique ID value to this variant. The previous value is overwritten.

Post-condition
*this == aValue

Parameters

const TUid & aValue Value for this variant object to hold.

Set(const TTime &)

IMPORT_C void Set ( const TTime & aValue )

Sets date and time value to this variant. The previous value is overwritten.

Post-condition
*this == aValue

Parameters

const TTime & aValue Value for this variant object to hold.

Set(const TDesC &)

IMPORT_C void Set ( const TDesC & aValue )

Sets constant text reference to this variant.

Post-condition
*this == aValue

Parameters

const TDesC & aValue Text value for this variant object to hold.

Set(const HBufC *)

void Set ( const HBufC * aValue ) [inline]

Sets constant text reference to this variant.

Parameters

const HBufC * aValue Text value for this variant object to hold. Ownership is not taken.

Set(const TDesC8 &)

IMPORT_C void Set ( const TDesC8 & aValue )

Sets constant 8-bit text reference to this variant.

Post-condition
*this == aValue

Parameters

const TDesC8 & aValue Text value for this variant object to hold.

Set(const RFile &)

IMPORT_C void Set ( const RFile & aValue )

Sets RFile file handle to this variant.

Post-condition
*this == aValue

Parameters

const RFile & aValue File handle for this variant object to hold.

SetL(const TAiwVariant &)

void SetL ( const TAiwVariant & aValue ) [private]
Data copying support for TAiwGenericParam . Sets the copy of given variant value to this variant
Post-condition
*this == aValue

Parameters

const TAiwVariant & aValue variant value for this variant object to hold.

Size()

TInt Size ( ) const [private]

Streaming support for TAiwGenericParam . Returns the maximum externalized size of this variant in bytes.

TypeId()

TVariantTypeId TypeId ( ) const [inline]

Returns the type id of data this variant object is holding.

__DbgTestInvariant()

void __DbgTestInvariant ( ) const [private]

operator=(const TAiwVariant &)

IMPORT_C TAiwVariant & operator= ( const TAiwVariant & aValue )

Assignment operator. Does not take ownership of data.

Parameters

const TAiwVariant & aValue The source object.

operator=(const TTime &)

TAiwVariant & operator= ( const TTime & aValue ) [inline]

Assignment operator for the variant.

Parameters

const TTime & aValue The source object.

operator=(const TUid &)

TAiwVariant & operator= ( const TUid & aValue ) [inline]

Assignment operator for the variant.

Parameters

const TUid & aValue The source object.

operator=(TInt32)

TAiwVariant & operator= ( TInt32 aValue ) [inline]

Assignment operator for the variant.

Parameters

TInt32 aValue The source object.

operator=(const TDesC &)

TAiwVariant & operator= ( const TDesC & aValue ) [inline]

Assignment operator for the variant.

Parameters

const TDesC & aValue The source object.

operator=(const HBufC *)

TAiwVariant & operator= ( const HBufC * aValue ) [inline]

Assignment operator for the variant.

Parameters

const HBufC * aValue The source object.

operator=(const TDesC8 &)

TAiwVariant & operator= ( const TDesC8 & aValue ) [inline]

Assignment operator for the variant.

Parameters

const TDesC8 & aValue The source object.

operator=(const RFile &)

TAiwVariant & operator= ( const RFile & aValue ) [inline]

Assignment operator for the variant.

Parameters

const RFile & aValue The source object.

Member Data Documentation

UData iData

UData iData [private]

TPtrC iPtrC

TPtrC iPtrC [private]

TPtrC8 iPtrC8

TPtrC8 iPtrC8 [private]

TUint8 iTypeId

TUint8 iTypeId [private]

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