object.h

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// Copyright (C) 1999-2005 Open Source Telecom Corporation.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// This exception applies only to the code released under the name GNU
// Common C++.  If you copy code from other releases into a copy of GNU
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way.  To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for GNU Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.
//

#ifndef CCXX_OBJECT_H_
#define CCXX_OBJECT_H_

#ifndef CCXX_MISSING_H_
#include <cc++/missing.h>
#endif

#ifdef  CCXX_NAMESPACES
namespace ost {
#endif

class __EXPORT MapObject;

class __EXPORT RefObject
{
protected:
        friend class RefPointer;

        unsigned refCount;

        inline RefObject()
                {refCount = 0;};

        virtual ~RefObject();

public:
        virtual void *getObject(void) = 0;
};

class __EXPORT RefPointer
{
protected:
        RefObject *ref;

        void detach(void);

        virtual void enterLock(void);

        virtual void leaveLock(void);

public:
        inline RefPointer()
                {ref = NULL;};

        RefPointer(RefObject *obj);

        RefPointer(const RefPointer &ptr);

        virtual ~RefPointer();

        RefPointer& operator=(const RefObject &ref);

        inline void *operator*() const
                {return getObject();};

        inline void *operator->() const
                {return getObject();};

        void *getObject(void) const;

        bool operator!() const;
};

class __EXPORT LinkedSingle
{
protected:
        LinkedSingle *nextObject;

        inline LinkedSingle()
                {nextObject = NULL;};

        virtual ~LinkedSingle();

public:
        virtual LinkedSingle *getFirst(void);

        virtual LinkedSingle *getLast(void);

        inline LinkedSingle *getNext(void)
                {return nextObject;};

        virtual void insert(LinkedSingle& obj);

        LinkedSingle &operator+=(LinkedSingle &obj);
};

class __EXPORT LinkedDouble
{
protected:
        LinkedDouble *nextObject, *prevObject;

        inline LinkedDouble()
                {nextObject = prevObject = NULL;};

        virtual ~LinkedDouble();

        virtual void enterLock(void);

        virtual void leaveLock(void);

public:

  enum InsertMode
  {
    modeAtFirst,  
    modeAtLast,   
    modeBefore,   
    modeAfter     
  };

        virtual LinkedDouble *getFirst(void);

        virtual LinkedDouble *getLast(void);

        virtual LinkedDouble *getInsert(void);

        inline LinkedDouble *getNext(void)
                {return nextObject;};

        inline LinkedDouble *getPrev(void)
                {return prevObject;};

        virtual void insert(LinkedDouble& obj);

  virtual void insert(InsertMode position, LinkedDouble& obj);

        virtual void detach(void);

        LinkedDouble &operator+=(LinkedDouble &obj);

        LinkedDouble &operator--();
};

class __EXPORT MapTable : public Mutex
{
protected:
        friend class MapObject;
        unsigned range;
        MapObject **map;

        void cleanup(void);

public:
        MapTable(unsigned size);

        virtual ~MapTable();

        virtual unsigned getIndex(const char *id);

        inline unsigned getRange(void)
                {return range;};

        void *getObject(const char *id);

        void addObject(MapObject &obj);

        void *getFree(void);

        void addFree(MapObject *obj);

        MapTable &operator+=(MapObject &obj);

        virtual MapTable &operator-=(MapObject &obj);
};

class __EXPORT MapObject
{
protected:
        friend class MapTable;
        MapObject *nextObject;
        const char *idObject;
        MapTable *table;

        void detach(void);

        MapObject(const char *id);
};

#ifdef  CCXX_NAMESPACES
}
#endif

#endif