------------------------------------------------------------------------------ -- Ada Web Server -- -- -- -- Copyright (C) 2009-2014, AdaCore -- -- -- -- This library is free software; you can redistribute it and/or modify -- -- it under terms of the GNU General Public License as published by the -- -- Free Software Foundation; either version 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are -- -- granted additional permissions described in the GCC Runtime Library -- -- Exception, version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- ------------------------------------------------------------------------------ pragma Ada_2012; with GNAT.SHA1; package AWS.Utils.Streams is -------------------- -- String Streams -- -------------------- type Strings is new Root_Stream_Type with private; -- A stream that reads and writes to a string overriding procedure Read (Stream : in out Strings; Item : out Stream_Element_Array; Last : out Stream_Element_Offset) with Inline; overriding procedure Write (Stream : in out Strings; Item : Stream_Element_Array) with Inline; procedure Open (Stream : in out Strings'Class; Str : String) with Inline; -- Open a new string. Str is the initial value of the string, to which will -- be appended the result of 'Output. function Value (Stream : not null access Strings'Class) return String with Inline; -- Returns the stream value ------------------ -- SHA1 Streams -- ------------------ type SHA1 is new Root_Stream_Type with private; -- A stream that compute a SHA-1 out of the stream content overriding procedure Read (Stream : in out SHA1; Item : out Stream_Element_Array; Last : out Stream_Element_Offset) with Inline; overriding procedure Write (Stream : in out SHA1; Item : Stream_Element_Array) with Inline; function Value (Stream : not null access SHA1'Class) return GNAT.SHA1.Message_Digest with Inline; -- Returns the stream value private type Strings is new Root_Stream_Type with record Str : Unbounded_String; Read_Index : Natural := 1; end record; type SHA1 is new Root_Stream_Type with record C : GNAT.SHA1.Context; end record; end AWS.Utils.Streams;