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------------------------------------------------------------------------------
-- Copyright (c) 2016, Natacha Porté                                        --
-- Copyright (c) 2016-2017, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           --
------------------------------------------------------------------------------

------------------------------------------------------------------------------
-- Natools.Smaz_Generic provides a generic implementation of the Smaz       --
-- algorithm, leaving encoding and decoding to the formal subprograms.      --
-- This factors all the logic common to standard byte-based Smaz, the       --
-- the base-64 variant, and the base-4096 variant.                          --
--                                                                          --
-- WARNING: an important assumption that is not checked/asserted, is that   --
-- it is never preferable to use verbatim encoding rather than a code,      --
-- except when merging to verbatim sections and the code between them. This --
-- means in particular that a dictionary must never contain an entry        --
-- shorter than its encoded counterpart.                                    --
------------------------------------------------------------------------------

with Ada.Streams;

generic
   type Dictionary_Code is (<>);

   with procedure Read_Code