TSwizzleCBase Class Reference

class TSwizzleCBase

Base class for swizzles.

A swizzle maintains a dual representation for an object:

by stream id, if the object is not in memory (the stream contains the external representation of that object).

by pointer, if the object is in memory.

The class is not intended for instantiation.

Public Member Functions
IMPORT_C TStreamIdAsId()
IMPORT_C voidInternalizeL(RReadStream &)
TBool IsId()
TBool IsPtr()
TBool operator!=(const TSwizzleCBase &)
TBool operator!=(const TAny *)
TBool operator==(const TSwizzleCBase &)
TBool operator==(const TAny *)
Protected Member Functions
TSwizzleCBase()
TSwizzleCBase(const TAny *)
TSwizzleCBase(TStreamId)
TSwizzleCBase(TStreamRef)
IMPORT_C voidDoExternalizeL(RWriteStream &, TExternalizer< TAny >)
const TAny *Ptr()
Private Member Functions
IMPORT_C TBoolIsIdRep(const TAny *)
IMPORT_C TBoolIsPtrRep(const TAny *)
IMPORT_C void__DbgChkPtr(const TAny *)
IMPORT_C void__DbgChkRef(TStreamRef)
Private Attributes
const TAny *iPtr

Constructor & Destructor Documentation

TSwizzleCBase()

TSwizzleCBase()[protected, inline]

TSwizzleCBase(const TAny *)

TSwizzleCBase(const TAny *aPtr)[protected, inline]

Parameters

const TAny * aPtr

TSwizzleCBase(TStreamId)

IMPORT_CTSwizzleCBase(TStreamIdanId)[protected]

Parameters

TStreamId anId

TSwizzleCBase(TStreamRef)

TSwizzleCBase(TStreamRefaRef)[protected, inline]

Parameters

TStreamRef aRef

Member Functions Documentation

AsId()

IMPORT_C TStreamIdAsId()const

DoExternalizeL(RWriteStream &, TExternalizer< TAny >)

IMPORT_C voidDoExternalizeL(RWriteStream &aStream,
TExternalizer< TAny >anExter
)const [protected]

Parameters

RWriteStream & aStream
TExternalizer< TAny > anExter

InternalizeL(RReadStream &)

IMPORT_C voidInternalizeL(RReadStream &aStream)

Parameters

RReadStream & aStream

IsId()

TBool IsId()const [inline]

Tests whether this swizzle currently represents an object as a stream id.

True, if this swizzle currently maintains the representation of the object as a stream id; False, otherwise. Note that if the swizzle is uninitialised, the value returned by this function is not defined.

IsIdRep(const TAny *)

IMPORT_C TBoolIsIdRep(const TAny *aPtr)[private, static]

Parameters

const TAny * aPtr

IsPtr()

TBool IsPtr()const [inline]

Tests whether this swizzle currently represents an object as a pointer.

True, if this swizzle currently maintains the object representation as a pointer; False, otherwise. Note that if the swizzle is uninitialised, the value returned by this function is not defined.

IsPtrRep(const TAny *)

IMPORT_C TBoolIsPtrRep(const TAny *aPtr)[private, static]

Parameters

const TAny * aPtr

Ptr()

const TAny *Ptr()const [protected, inline]

__DbgChkPtr(const TAny *)

IMPORT_C void__DbgChkPtr(const TAny *aPtr)[private, static]

Parameters

const TAny * aPtr

__DbgChkRef(TStreamRef)

IMPORT_C void__DbgChkRef(TStreamRefaRef)[private, static]

Parameters

TStreamRef aRef

operator!=(const TSwizzleCBase &)

TBool operator!=(const TSwizzleCBase &aSwizzle)const [inline]

Compares for inequality with another swizzle.

Use this operator to determine whether this swizzle represents a different object to that represented by the specified swizzle.

Both this swizzle and the specified swizzle must maintain the representation of their respective objects as either pointers or stream ids.

If one swizzle maintains the representation of its object as a pointer while the other swizzle maintains the representation of its object as a stream id, the comparison is meaningless and always returns true.

True, if the represented objects are not the same; False, otherwise

Parameters

const TSwizzleCBase & aSwizzleA reference to the swizzle to be compared with this swizzle.

operator!=(const TAny *)

TBool operator!=(const TAny *aPtr)const [inline]

Compares for inequality with an in-memory object.

Use this operator to determine whether this swizzle represents a different in-memory object to that represented by the specified pointer.

This swizzle must maintain the representation of its object as a pointer. If it maintains the representation of its object as a swizzle, the comparison is meaningless and always returns true.

True, if the represented objects are not the same; False, otherwise

Parameters

const TAny * aPtrA pointer to the object to be compared with this swizzle.

operator==(const TSwizzleCBase &)

TBool operator==(const TSwizzleCBase &aSwizzle)const [inline]

Compares for equality with another swizzle.

Use this operator to determine whether this swizzle represents the same object as that represented by the specified swizzle.

Both this swizzle and the specified swizzle must maintain the representation of their respective objects as either pointers or stream ids.

If one swizzle maintains the representation of its object as a pointer while the other swizzle maintains the representation of its object as a stream id, the comparison is meaningless and always returns false.

True, if the represented objects are the same; False, otherwise.

Parameters

const TSwizzleCBase & aSwizzleA reference to the swizzle to be compared with this swizzle.

operator==(const TAny *)

TBool operator==(const TAny *aPtr)const [inline]

Compares for equality with an in-memory object.

Use this operator to determine whether this swizzle represents the same in-memory object as that represented by the specified pointer.

This swizzle must maintain the representation of its object as a pointer. If it maintains the representation of its object as a swizzle, the comparison is meaningless and always returns false.

True, if the represented objects are the same; False, otherwise.

Parameters

const TAny * aPtrA pointer to the object to be compared with this swizzle.

Member Data Documentation

const TAny * iPtr

const TAny *iPtr[private]