GNU CommonC++
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes

ost::LinkedDouble Class Reference

Self managed double linked list object chain. More...

#include <object.h>

List of all members.

Public Types

enum  InsertMode { modeAtFirst, modeAtLast, modeBefore, modeAfter }
 

Requested in overloaded insert() method to indicate how to insert data into list.

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Public Member Functions

virtual LinkedDoublegetFirst (void)
 Get first linked object in list.
virtual LinkedDoublegetLast (void)
 Gets the last object in the list.
virtual LinkedDoublegetInsert (void)
 Virtual to get the insert point to use when adding new members.
LinkedDoublegetNext (void)
 Get next object, for convenience.
LinkedDoublegetPrev (void)
 Get prev object in the list.
virtual void insert (LinkedDouble &obj, InsertMode position=modeAtLast)
 Insert object into chain at given position, as indicated by InsertMode; If no position is given, it defaults to modeAtLast, inserting element at list's end.
virtual void detach (void)
 Remove object from chain.
LinkedDoubleoperator+= (LinkedDouble &obj)
LinkedDoubleoperator-- ()

Protected Member Functions

 LinkedDouble ()
virtual ~LinkedDouble ()
virtual void enterLock (void)
virtual void leaveLock (void)
virtual LinkedDoublefirstObject ()
virtual LinkedDoublelastObject ()

Protected Attributes

LinkedDoublenextObject
LinkedDoubleprevObject

Detailed Description

Self managed double linked list object chain.

This is used for accumulating lists by using as a base class for a derived subclass.

Author:
David Sugar <dyfet@gnutelephony.org> Accumulating double linked list.

Member Enumeration Documentation

Requested in overloaded insert() method to indicate how to insert data into list.

Enumerator:
modeAtFirst 

insert at first position in list pointed by current object

modeAtLast 

insert at last position in list pointed by current object

modeBefore 

insert in list before current object

modeAfter 

insert in list after current object


Constructor & Destructor Documentation

ost::LinkedDouble::LinkedDouble ( ) [inline, protected]
virtual ost::LinkedDouble::~LinkedDouble ( ) [protected, virtual]

Member Function Documentation

virtual void ost::LinkedDouble::detach ( void  ) [virtual]

Remove object from chain.

virtual void ost::LinkedDouble::enterLock ( void  ) [protected, virtual]
virtual LinkedDouble* ost::LinkedDouble::firstObject ( ) [protected, virtual]
virtual LinkedDouble* ost::LinkedDouble::getFirst ( void  ) [virtual]

Get first linked object in list.

This may be dynamically recast, and may refer to a master static bookmark pointer in a derived class. Otherwise it follows list to front.

Returns:
pointer to first object in list.
virtual LinkedDouble* ost::LinkedDouble::getInsert ( void  ) [virtual]

Virtual to get the insert point to use when adding new members.

This may be current, or always head or always tail. As a virtual, this allows derived class to establish "policy".

Returns:
pointer to insertion point in list.
virtual LinkedDouble* ost::LinkedDouble::getLast ( void  ) [virtual]

Gets the last object in the list.

This normally follows the links to the end. This is a virtual because derived class may include a static member bookmark for the current end.

Returns:
pointer to last object in list.
LinkedDouble* ost::LinkedDouble::getNext ( void  ) [inline]

Get next object, for convenience.

Derived class may use this with a dynamic cast.

Returns:
next object in list.
LinkedDouble* ost::LinkedDouble::getPrev ( void  ) [inline]

Get prev object in the list.

Returns:
pointer to previous object.
virtual void ost::LinkedDouble::insert ( LinkedDouble obj,
InsertMode  position = modeAtLast 
) [virtual]

Insert object into chain at given position, as indicated by InsertMode; If no position is given, it defaults to modeAtLast, inserting element at list's end.

Parameters:
objectbeing inserted.
positionwhere object is inserted.
virtual LinkedDouble* ost::LinkedDouble::lastObject ( ) [protected, virtual]
virtual void ost::LinkedDouble::leaveLock ( void  ) [protected, virtual]
LinkedDouble& ost::LinkedDouble::operator+= ( LinkedDouble obj)
LinkedDouble& ost::LinkedDouble::operator-- ( )

Member Data Documentation


The documentation for this class was generated from the following file: