File : adagio-zutil.ads


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--                         ADAGIO - ADALID - AENEA.                         --

--                                                                          --

--                            Copyright (C) 2003                            --

--                                 A. Mosteo.                               --

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--  Authors: A. Mosteo. (adagio@mosteo.com)                                 --

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--  $Id: adagio-zutil.ads,v 1.3 2004/01/21 21:05:43 Jano Exp $


with Ada.Streams; use Ada.Streams;

with Zlib;

package Adagio.Zutil is

   Cannot_deflate   : exception;

   Max_initial_size : Constant := 128 * 1024;
   Increment_size   : Constant := 128 * 1024;

   ------------------------------------------------------------------------

   -- Inflate                                                            --

   ------------------------------------------------------------------------

   function Inflate (
      this     : in Stream_element_array; 
      Max_size : in Stream_element_offset := Max_Initial_Size)
   return Stream_element_array;

   ------------------------------------------------------------------------

   -- Deflate                                                            --

   ------------------------------------------------------------------------

   -- Will raise Cannot_deflate if the result is larger.

   function Deflate (this : in Stream_element_array) 
      return Stream_element_array;
   -- Will raise Cannot deflate if the resulting array is not big enough

   procedure Deflate (
      From   : in     Stream_element_array;
      To     : in out Stream_element_array;
      Last   :    out Stream_element_offset);

end Adagio.Zutil;