[ogs-changes] dist/c++/ogs/support Utility.h,NONE,1.1 Makefile.am,1.4,1.5 Observer.h,1.1,1.2

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

Update of /cvsroot/ogs/dist/c++/ogs/support
In directory sc8-pr-cvs1:/tmp/cvs-serv9867/support

Modified Files:
	Makefile.am Observer.h 
Added Files:
	Utility.h 
Log Message:
See C++ ChangeLog (Apr 13) for details.


--- NEW FILE: Utility.h ---
/*
 * Utility.h -- class interface for utilities
 * 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: Utility.h,v 1.1 2003/04/13 05:28:46 elemings Exp $
 */

#ifdef __cplusplus

#  ifndef OGS_SUPPORT_UTILITY_H
#    define OGS_SUPPORT_UTILITY_H

#    include <ogs/support/Namespace.h>

OGS_BEGIN_SUPPORT_NAMESPACE

/**
 * A function object that destroys allocated memory.  A Destroy object
 * destroys allocated memory by calling the delete operator on pointers.
 * These objects can be used conveniently with standard containers and
 * algorithms.
 */
struct Destroy {
  template <typename T>
  void operator() (const T* t) const;
};

/**
 * Destroy allocated memory.  The allocated memory is destroyed by
 * calling the delete operator on a pointer of type T.  The type T is
 * specified by the template parameter.
 *
 * @param t A pointer to allocated memory of type T.
 */
template <typename T>
void Destroy::operator() (const T* t) const {
  delete t;
}

OGS_END_SUPPORT_NAMESPACE

#  endif /* !defined OGS_SUPPORT_UTILITY_H */

#endif /* defined __cplusplus */


Index: Makefile.am
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Makefile.am,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** Makefile.am	29 Mar 2003 02:10:40 -0000	1.4
--- Makefile.am	13 Apr 2003 05:28:46 -0000	1.5
***************
*** 29,33 ****
  	Namespace.h \
  	Object.h \
! 	Observer.h
  
  INCLUDES = \
--- 29,34 ----
  	Namespace.h \
  	Object.h \
! 	Observer.h \
! 	Utility.h
  
  INCLUDES = \

Index: Observer.h
===================================================================
RCS file: /cvsroot/ogs/dist/c++/ogs/support/Observer.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** Observer.h	7 Jan 2003 07:41:34 -0000	1.1
--- Observer.h	13 Apr 2003 05:28:46 -0000	1.2
***************
*** 31,34 ****
--- 31,35 ----
  
  class Event;
+ //class Object;
  
  /**
***************
*** 41,45 ****
--- 42,56 ----
    public:
      virtual ~Observer () { }
+ 
+   protected:
+     /**
+      * Handle an event.  Observers must implement this function.  No
+      * default event handler is provided by the Observer class.
+      *
+      * @param event An event from an observed object.
+      */
      virtual void handleEvent (Event& event) = 0;
+ 
+     friend void Object::notifyObservers (Event& event);
  };