NAME

       ost::MapIndex -

       The MapIndex allows linear access into a MapTable, that otherwise could have its elements
       being retrieved only by key.

SYNOPSIS

       #include <object.h>

   Public Member Functions
       MapIndex ()
           Creates an empty map index (pointing to nothing).
       MapIndex (MapObject *theObject)
           Creates a map index pointing to a specific map object.
       MapIndex (const MapIndex &theIndex)
           Creates a copy of a given map index.
       void * operator* () const
           Dereference operator: the pointed object it is returned as void * for easy re-cast.
       MapIndex & operator= (MapObject *theObject)
           Assignment operator to avoid implicit cast.
       MapIndex & operator++ ()
           Prefix increment operator, to be used in loops and such.
       MapIndex operator++ (int)
           Postfix increment operator, to be used in loops and such.
       bool operator== (const MapIndex &theIndex) const
           Comparison operator, between two MapIndex's.
       bool operator!= (const MapIndex &theIndex) const
       bool operator== (const MapObject *theObject) const
           Comparison operator, between the MapIndex and a MapObject, useful to avoid casts for
           sake of clearness.
       bool operator!= (const MapObject *theObject) const

Detailed Description

       The MapIndex allows linear access into a MapTable, that otherwise could have its elements
       being retrieved only by key.

       It can be increased, checked and dereferenced like a pointer, by means of suitable
       operators.

       Author:
           Sergio Repetto s.repetto@pentaengineering.it Index object to access MapTable elements

Constructor & Destructor Documentation

   ost::MapIndex::MapIndex () [inline]
       Creates an empty map index (pointing to nothing).

   ost::MapIndex::MapIndex (MapObject *theObject) [inline]
       Creates a map index pointing to a specific map object.

       Parameters:
           the indexed object

   ost::MapIndex::MapIndex (const MapIndex &theIndex) [inline]
       Creates a copy of a given map index.

       Parameters:
           the source index object

Member Function Documentation

   bool ost::MapIndex::operator!= (const MapIndex &theIndex) const [inline]
   bool ost::MapIndex::operator!= (const MapObject *theObject) const [inline]
   void* ost::MapIndex::operator* () const [inline]
       Dereference operator: the pointed object it is returned as void * for easy re-cast.

       Returns:
           pointer to indexed object.

   MapIndex& ost::MapIndex::operator++ ()
       Prefix increment operator, to be used in loops and such.

       Returns:
           the object itself, as changed.

   MapIndex ost::MapIndex::operator++ (int) [inline]
       Postfix increment operator, to be used in loops and such.

       Returns:
           the object itself, as changed.

   MapIndex& ost::MapIndex::operator= (MapObject *theObject)
       Assignment operator to avoid implicit cast.

       Returns:
           the object itself, as changed.

   bool ost::MapIndex::operator== (const MapIndex &theIndex) const [inline]
       Comparison operator, between two MapIndex's.

       Returns:
           the object itself, as changed.

   bool ost::MapIndex::operator== (const MapObject *theObject) const [inline]
       Comparison operator, between the MapIndex and a MapObject, useful to avoid casts for sake
       of clearness.

       Returns:
           the object itself, as changed.

Author

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