absformat.sa
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-------------------------> GNU Sather - sourcefile <-------------------------
-- Copyright (C) 2000 by K Hopper, University of Waikato, New Zealand --
-- This file is part of the GNU Sather library. It is free software; you may --
-- redistribute and/or modify it under the terms of the GNU Library General --
-- Public License (LGPL) as published by the Free Software Foundation; --
-- either version 2 of the license, or (at your option) any later version. --
-- This library 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 Doc/LGPL for more details. --
-- The license text is also available from: Free Software Foundation, Inc., --
-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --
--------------> Please email comments to <bug-sather@gnu.org> <--------------
abstract class $RENDER{ETP, STP, CTP < $CURSOR{ETP,STP}}
abstract class $RENDER{ETP, STP, CTP < $CURSOR{ETP,STP}} is
-- This abstract class defines the operations necessary to lay out some
-- values as part of some textual (or other) representation of a message and
-- for retrieving a list of values from a string.
-- Version 1.0 Aug 98. Copyright K Hopper, U of Waikato
-- Development History
-- -------------------
-- Date Who By Detail
-- ---- ------ ------
-- 19 Aug 98 kh Original after WD for ISO/IEC 15345!
render(
msg_descriptor : CLAUSE_DESCR,
vals : FLIST{$FMT}
) : STR ;
-- This routine provides a facility for providing a message descriptor
-- into which various 'values' may be inserted in a descriptor defined
-- ordering.
parse(
msg_descriptor : CLAUSE_DESCR,
rep : CTP
) : FLIST{$FMT} ;
-- This routine provides a facility for providing a message descriptor
-- which identifies the various 'values' (VAL_DESCR) which may be retrieved
-- from the indicated string in a descriptor defined ordering.
end ; -- $RENDER
abstract class $FMT < $STR
abstract class $FMT < $STR is
-- All classes which inherit from this abstraction are required to
-- provide build routines for creating an object from a string and format
-- routines to generate textual representations of the object.
-- Version 1.4 Nov 2000. Copyright K Hopper, U of Waikato
-- Development History
-- -------------------
-- Date Who By Detail
-- ---- ------ ------
-- 25 Jul 96 bg/hk Original for Sather 1.1 distribution
-- 12 May 97 kh Introduced cultural independence
-- 19 Aug 98 kh Revised to introduce retrieval
-- 29 Mar 99 kh Revised for V8 of text classes!
-- 13 Nov 00 kh Added 'full' $INSTR sub-typing
end ; -- $FMT