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			64 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
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|     Copyright (c) 2002 by Daniel Mantione
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| 
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|     This unit contains support routines for the variable access
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|     notifier.
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| 
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|     This program is free software; you can redistribute it and/or modify
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|     it under the terms of the GNU General Public License as published by
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|     the Free Software Foundation; either version 2 of the License, or
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|     (at your option) any later version.
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| 
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|     This program is distributed in the hope that it will be useful,
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|     but WITHOUT ANY WARRANTY; without even the implied warranty of
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|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|     GNU General Public License for more details.
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| 
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|     You should have received a copy of the GNU General Public License
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|     along with this program; if not, write to the Free Software
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|     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 
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|  ****************************************************************************
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| }
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| 
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| unit symnot;
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| 
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| {$i fpcdefs.inc}
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| 
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| interface
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| 
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| uses  cclasses,symtype;
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| 
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| type  Tnotification_flag=(vn_onread,vn_onwrite,vn_unknown);
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|       Tnotification_flags=set of Tnotification_flag;
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| 
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|       Tnotification_callback=procedure(not_type:Tnotification_flag;
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|                                        symbol:Tsym) of object;
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| 
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|       Tnotification=class(Tlinkedlistitem)
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|         flags:Tnotification_flags;
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|         callback:Tnotification_callback;
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|         id:cardinal;
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|         constructor create(Aflags:Tnotification_flags;
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|                            Acallback:Tnotification_callback);
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|       end;
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| 
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| implementation
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| 
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| var notification_counter:cardinal;
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| 
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| constructor Tnotification.create(Aflags:Tnotification_flags;
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|                                  Acallback:Tnotification_callback);
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| 
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| begin
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|   inherited create;
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|   flags:=Aflags;
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|   callback:=Acallback;
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|   id:=notification_counter;
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|   inc(notification_counter);
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| end;
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| 
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| begin
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|   notification_counter:=0;
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| end.
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