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IBMCPP
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IBAGKS.H
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1993-09-22
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/*******************************************************************************
* *
* COPYRIGHT: *
* IBM C/C++ Tools Version 2.01 - Collection Class Library *
* Licensed Materials - Property of IBM *
* (C) Copyright IBM Corporation 1992, 1993 *
* All Rights Reserved *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*******************************************************************************/
#ifndef _IBAGKS_H
#define _IBAGKS_H
#include <iglobals.h>
#include <icursor.h>
template < class Element >
class IBKeyElm {
public:
Element elem;
INumber occurrences;
IBKeyElm () {}
IBKeyElm (Element const& e) : elem (e), occurrences (1) {}
IBKeyElm (Element const& e, INumber occurrences)
: elem (e), occurrences (occurrences) {}
friend inline Element const& key (IBKeyElm < Element > const& e)
{ return e.elem; }
};
template < class Element, class ElementOps, class Base >
class IWBagOnKeySet {
Base ivBase;
INumber ivNumberOfElements;
class Cursor;
friend class Cursor;
public:
class Cursor : public Base::Cursor {
protected:
INumber occurrence;
friend class IWBagOnKeySet < Element, ElementOps, Base >;
IBoolean isFor (IWBagOnKeySet < Element, ElementOps, Base > const& c) const
{ return Base::Cursor::isFor (c.ivBase); }
public:
Cursor (IWBagOnKeySet < Element, ElementOps, Base > const& c)
: Base::Cursor (c.ivBase) {}
IBoolean setToFirst ();
IBoolean setToNext ();
Element const& element () const
{ return Base::Cursor::element ().elem; }
IBoolean operator== (Cursor const& cursor) const
{ return Base::Cursor::operator== (cursor) &&
occurrence == cursor.occurrence; }
IBoolean operator!= (Cursor const& cursor) const
{ return ! operator== (cursor); }
};
IWBagOnKeySet (INumber
numberOfElements = 100);
IWBagOnKeySet (IWBagOnKeySet < Element, ElementOps, Base > const&);
IWBagOnKeySet < Element, ElementOps, Base >&
operator = (IWBagOnKeySet < Element, ElementOps, Base > const&);
~IWBagOnKeySet ();
IBoolean add (Element const&);
IBoolean add (Element const&,
ICursor&);
void addAllFrom (IWBagOnKeySet < Element, ElementOps, Base > const&);
Element const& elementAt (ICursor const&) const;
Element& elementAt (ICursor const&);
Element const& anyElement () const;
void removeAt (ICursor const&);
INumber removeAll (IBoolean (*property)
(Element const&, void*),
void* additionalArgument = 0);
void replaceAt (ICursor const&,
Element const&);
void removeAll ();
IBoolean isBounded () const;
INumber maxNumberOfElements () const;
INumber numberOfElements () const;
IBoolean isEmpty () const;
IBoolean isFull () const;
ICursor* newCursor () const;
IBoolean setToFirst (ICursor&) const;
IBoolean setToNext (ICursor&) const;
IBoolean allElementsDo (IBoolean (*function)
(Element&, void*),
void* additionalArgument = 0);
IBoolean allElementsDo (IIterator <Element>&);
IBoolean allElementsDo (IBoolean (*function)
(Element const&, void*),
void* additionalArgument = 0)
const;
IBoolean allElementsDo (IConstantIterator
<Element>&) const;
IBoolean isConsistent () const;
IBoolean contains (Element const&) const;
IBoolean containsAllFrom (IWBagOnKeySet < Element, ElementOps, Base > const&) const;
IBoolean locate (Element const&, ICursor&)
const;
IBoolean locateOrAdd (Element const&);
IBoolean locateOrAdd (Element const&,
ICursor&);
IBoolean remove (Element const&);
INumber numberOfOccurrences (Element const&) const;
IBoolean locateNext (Element const&, ICursor&)
const;
INumber removeAllOccurrences (Element const&);
INumber numberOfDifferentElements () const;
IBoolean setToNextDifferentElement (ICursor&) const;
IBoolean operator == (IWBagOnKeySet < Element, ElementOps, Base > const&) const;
IBoolean operator != (IWBagOnKeySet < Element, ElementOps, Base > const&) const;
void unionWith (IWBagOnKeySet < Element, ElementOps, Base > const&);
void intersectionWith (IWBagOnKeySet < Element, ElementOps, Base > const&);
void differenceWith (IWBagOnKeySet < Element, ElementOps, Base > const&);
void addUnion (IWBagOnKeySet < Element, ElementOps, Base > const&,
IWBagOnKeySet < Element, ElementOps, Base > const&);
void addIntersection (IWBagOnKeySet < Element, ElementOps, Base > const&,
IWBagOnKeySet < Element, ElementOps, Base > const&);
void addDifference (IWBagOnKeySet < Element, ElementOps, Base > const&,
IWBagOnKeySet < Element, ElementOps, Base > const&);
protected:
void checkCursorIsForThis (ICursor const&) const;
void checkCursor (ICursor const&) const;
struct RemoveEnv {
IBoolean (*predicate) (Element const&, void*);
void* env;
INumber removeCount;
};
static IBoolean removePredicate (IBKeyElm < Element > const&, void*);
static IBoolean cleanupPredicate (IBKeyElm < Element > const&, void*);
static ElementOps elementOps ()
{ ElementOps ops;
return ops;
}
};
template < class Element, class ElementOps >
class IBKSOps : public ElementOps {
public:
void assign(IBKeyElm < Element >& e1,
IBKeyElm < Element > const& e2) const
{ ElementOps::assign (e1.elem, e2.elem);
e1.occurrences = e2.occurrences; }
Element const& key (IBKeyElm < Element > const& e) const
{ return e.elem; }
ElementOps keyOps;
};
#define IDefineGBagOnGKeySet(GKeySet, GBag) \
template < class Element, class ElementOps > \
class GKeySet ## ForGBag : \
public GKeySet < IBKeyElm < Element >, Element, \
IBKSOps < Element, ElementOps > > { \
public: \
GKeySet ## ForGBag (INumber n = 100) : \
GKeySet < IBKeyElm < Element >, Element, \
IBKSOps < Element, ElementOps > > (n) {} \
}; \
template < class Element, class ElementOps > \
class GBag : \
public IWBagOnKeySet < Element, ElementOps, \
GKeySet ## ForGBag < Element, ElementOps > > { \
public: \
GBag (INumber n = 100) : \
IWBagOnKeySet < Element, ElementOps, \
GKeySet ## ForGBag < Element, ElementOps > > (n) {} \
};
#include <ibagks.if>
#ifdef __IBMCPP__
#ifndef __TEMPINC__
#include <ibagks.c>
#endif
#endif
#endif