[ogs-changes] dist/c++/ogs/support Attachable.h,NONE,1.1 Class.cpp,1.1,1.2 Event.cpp,1.1,1.2 Event.h,1.1,1.2 Object.cpp,1.2,1.3

[<ele...@us...>]

Update of /cvsroot/ogs/dist/c++/ogs/support
In directory sc8-pr-cvs1:/tmp/cvs-serv1939/c++/ogs/support

Modified Files:
	Class.cpp Event.cpp Event.h Object.cpp 
Added Files:
	Attachable.h 
Log Message:
See C++ ChangeLog file (Mar 24) for details.


--- NEW FILE: Attachable.h ---
/*
 * Attachable.java -- class declaration for attachable objects
 * Copyright (C) 2003  Eric Lemings <ele...@us...>
 *
 * This software 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 software 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 software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA
 *
 * RCS: $Id: Attachable.h,v 1.1 2003/03/25 06:13:15 elemings Exp $
 */

#ifdef __cplusplus

#  ifndef OGS_SUPPORT_ATTACHABLE_H
#    define OGS_SUPPORT_ATTACHABLE_H

#    include <ogs/support/Namespace.h>

OGS_BEGIN_SUPPORT_NAMESPACE

class Object;

/**
 * An object that can be attached to another object.  While attached, a
 * attachable may modify the object that it is attached to.  These
 * modifications should be reversible if and when the attachable is
 * detached from the object.
 */
class Attachable {
  public:
    /**
     * Attach this attachable to an object.  This function first
     * determines whether this object can be attached to the specified
     * object.  This step usually checks whether the object is being
     * attached to itself or whether it is already attached.  If the
     * object can be attached, this function then applies any
     * modifications to the attached object and returns true.
     * Otherwise, this function should simply return false.
     *
     * @param object Object to attach this attachable to.
     * @return True if this attachable is attached to the object.
     */
    virtual bool attachObject (Object& object) = 0;

    /**
     * Detach this attachable from an object.  This function determines
     * if this object is attached and, if so, whether it can be detached
     * from the attached object.  If it can, the function removes or
     * otherwise reverses any modifications made to the attached object
     * and returns true.  Otherwise, the function returns false.
     *
     * @return True if this attachable is detached from the object.
     */
    virtual bool detachObject () = 0;

    /**
     * Determine the object that this attachable is currently attached 
     * to.  If the attachable is not currently attached to any object,
     * this function returns null.
     *
     * @return Attached object or null if not attached.
     */
    virtual Object* getObject () const = 0;
};

OGS_END_SUPPORT_NAMESPACE

#  endif /* !defined OGS_SUPPORT_ATTACHABLE_H */

#endif /* defined __cplusplus */


Index: Class.cpp
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Class.cpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** Class.cpp	7 Jan 2003 07:41:34 -0000	1.1
--- Class.cpp	25 Mar 2003 06:13:15 -0000	1.2
***************
*** 21,25 ****
   */
  
! #include "Class.h"
  
  using ogs::support::Class;
--- 21,25 ----
   */
  
! #include "ogs/support/Class.h"
  
  using ogs::support::Class;

Index: Event.cpp
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Event.cpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** Event.cpp	7 Jan 2003 07:41:34 -0000	1.1
--- Event.cpp	25 Mar 2003 06:13:15 -0000	1.2
***************
*** 24,33 ****
  #include <string>
  
! #include "Object.h"
! #include "Event.h"
  
  using ogs::support::Event;
- 
- Event::~Event () { }
  
  /**
--- 24,31 ----
  #include <string>
  
! #include "ogs/support/Object.h"
! #include "ogs/support/Event.h"
  
  using ogs::support::Event;
  
  /**

Index: Event.h
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Event.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** Event.h	7 Jan 2003 07:41:34 -0000	1.1
--- Event.h	25 Mar 2003 06:13:15 -0000	1.2
***************
*** 71,74 ****
--- 71,76 ----
  }
  
+ inline Event::~Event () { }
+ 
  OGS_END_SUPPORT_NAMESPACE
  

Index: Object.cpp
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Object.cpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** Object.cpp	18 Feb 2003 04:17:21 -0000	1.2
--- Object.cpp	25 Mar 2003 06:13:15 -0000	1.3
***************
*** 26,32 ****
  #include <typeinfo>
  
! #include "Class.h"
! #include "Object.h"
! #include "Observer.h"
  
  using namespace ogs::support;
--- 26,32 ----
  #include <typeinfo>
  
! #include "ogs/support/Class.h"
! #include "ogs/support/Object.h"
! #include "ogs/support/Observer.h"
  
  using namespace ogs::support;