-- File:	BOPTools_CommonBlockAPI.cdl
-- Created:	Wed Mar 14 14:56:48 2001
-- Author:	Peter KURNEV
--		<pkv@irinox>
---Copyright:	 Matra Datavision 2001


class CommonBlockAPI from BOPTools 

	---Purpose:  
	--- class that provide some  useful tools 
    	--- to manage with a List Of Common Block-s             

uses
    ListOfCommonBlock from BOPTools, 
    ListOfPaveBlock   from BOPTools, 
    PaveBlock         from BOPTools 
    
is 
    Create  (aList:ListOfCommonBlock from BOPTools)   
    	returns CommonBlockAPI from BOPTools; 
    	---Purpose:   
    	--- Constructor 
    	---
    List(me) 
    	returns  ListOfCommonBlock from BOPTools; 
    	---C++:  return const & 
    	---Purpose:   
    	--- Selector 
    	---
    CommonPaveBlocks(me;   
    	    anE:Integer from  Standard) 
    	returns  ListOfPaveBlock from BOPTools;
    	---C++:  return const &  
    	---Purpose:   
    	--- Returns all PaveBlock-s (from the list) that are 
    	--- common for the given edge with  DS-index <anE>     
    	---
    IsCommonBlock   (me;  
    	    aPB: PaveBlock from BOPTools) 
    	returns  Boolean from Standard;
    	---Purpose:   
    	--- Returns TRUE if given PaveBlock <aPB> is 
    	--- common for the Blocks from the list      
    	---
fields 
    myListOfCommonBlock  :Address from Standard;
    myListOfPaveBlock    :ListOfPaveBlock from BOPTools; 
    
end CommonBlockAPI;