/usr/share/ada/adainclude/aws/aws-resources-streams-zlib.ads is in libaws2.10.2-dev 2.10.2-4.
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-- Ada Web Server --
-- --
-- Copyright (C) 2003-2009, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License 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 the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
------------------------------------------------------------------------------
with ZLib;
package AWS.Resources.Streams.ZLib is
type Stream_Type is new Streams.Stream_Type with private;
package ZL renames Standard.ZLib;
subtype Window_Bits_Type is ZL.Window_Bits_Type;
subtype Header_Type is ZL.Header_Type;
subtype Compression_Level is ZL.Compression_Level;
subtype Strategy_Type is ZL.Strategy_Type;
subtype Compression_Method is ZL.Compression_Method;
subtype Memory_Level_Type is ZL.Memory_Level_Type;
Default_Compression : constant Compression_Level := ZL.Default_Compression;
procedure Deflate_Initialize
(Resource : in out Stream_Type;
Source : Streams.Stream_Access;
Level : Compression_Level := ZL.Default_Compression;
Strategy : Strategy_Type := ZL.Default_Strategy;
Method : Compression_Method := ZL.Deflated;
Window_Bits : Window_Bits_Type := ZL.Default_Window_Bits;
Memory_Level : Memory_Level_Type := ZL.Default_Memory_Level;
Header : Header_Type := ZL.Default);
-- Initialize the compression of the user defined stream
procedure Inflate_Initialize
(Resource : in out Stream_Type;
Source : Streams.Stream_Access;
Window_Bits : Window_Bits_Type := ZL.Default_Window_Bits;
Header : Header_Type := ZL.Default);
-- Initialize the decompression of the user defined stream
function Deflate_Create
(Source : Streams.Stream_Access;
Level : Compression_Level := ZL.Default_Compression;
Strategy : Strategy_Type := ZL.Default_Strategy;
Method : Compression_Method := ZL.Deflated;
Window_Bits : Window_Bits_Type := ZL.Default_Window_Bits;
Memory_Level : Memory_Level_Type := ZL.Default_Memory_Level;
Header : Header_Type := ZL.Default)
return Stream_Access;
-- Creates dynamically allocated Stream_Type and initialize the compression
-- of the user defined stream.
function Inflate_Create
(Source : Streams.Stream_Access;
Window_Bits : Window_Bits_Type := ZL.Default_Window_Bits;
Header : Header_Type := ZL.Default)
return Stream_Access;
-- Creates dynamically allocated Stream_Type and initialize the
-- decompression of the user defined stream.
overriding procedure Read
(Resource : in out Stream_Type;
Buffer : out Stream_Element_Array;
Last : out Stream_Element_Offset);
-- Get the source data from the Source stream, encode it, and return
-- encoded data in the Buffer.
overriding procedure Close (Resource : in out Stream_Type);
overriding procedure Reset (Resource : in out Stream_Type);
overriding procedure Set_Index
(Resource : in out Stream_Type;
To : Stream_Element_Offset);
overriding function End_Of_File (Resource : Stream_Type) return Boolean;
-- Returns true if there is no more data to read
private
type Stream_Type is new Streams.Stream_Type with record
Source : Resources.File_Type;
End_Of_File : Boolean;
Filter : ZL.Filter_Type;
Buffer : Stream_Element_Array (1 .. 4096);
Rest_First : Stream_Element_Offset;
Rest_Last : Stream_Element_Offset;
end record;
end AWS.Resources.Streams.ZLib;
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