-- File:	Units_UnitsLexicon.cdl
-- Created:	Fri Oct  8 10:34:10 1993
-- Author:	Gilles DEBARBOUILLE
--		<gde@meteox>
---Copyright:	 Matra Datavision 1993


private class UnitsLexicon from Units 

inherits

    Lexicon from Units
	---Purpose: This class defines a lexicon useful to analyse and
	--          recognize the different key  words  included  in a
	--          sentence. The  lexicon is stored  in a sequence of
	--          tokens.

uses

    HAsciiString from TCollection,
    AsciiString  from TCollection


is

    Create returns mutable UnitsLexicon from Units;
    
    ---Level: Internal 
    
    ---Purpose: Returns an empty instance of UnitsLexicon
    
    Creates(me : mutable ; afilename1 , afilename2 : CString ;
                 amode : Boolean = Standard_True)
    
    ---Level: Internal 
    
    ---Purpose: Reads  the files  <afilename1>  and  <afilename2>   to
    --          create     a   sequence     of    tokens   stored   in
    --          <thesequenceoftokens>.
    
    is static;
    
    FileName2(me) returns AsciiString from TCollection
    
    ---Level: Internal 
    
    ---Purpose: Returns in a AsciiString from TCollection the name of the file.
    
    is static;
    
    UpToDate(me) returns Boolean
    
    ---Level: Internal 
    
    ---Purpose: Returns true if  the  file has not  changed  since the
    --          creation   of   the  Lexicon   object.   Returns false
    --          otherwise.
    
    is redefined;
    
    Dump(me)
    
    ---Level: Internal 
    
    ---C++: inline
    ---Purpose: Useful for debugging.
    
    is redefined;

fields

    thefilename     : HAsciiString from TCollection;
    thetime         : Time;

end UnitsLexicon;