------------------------------------------------------------------------------
-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2001-2017, 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 MERCHAN- --
-- TABILITY 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 --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with GNAT.Sockets;
with Unicode;
with Unicode.CES;
package Input_Sources.Socket is
type Socket_Input is new Input_Source with private;
type Socket_Input_Access is access all Socket_Input'Class;
-- A special implementation of a reader, that reads from a
-- streaming socket.
-- Compared to Input_Sources.Html, this package does not expect to read
-- the whole stream when calling Open. It is in fact an example on how to
-- detect incomplete input (as opposed to invalid input).
procedure Open
(Socket : GNAT.Sockets.Socket_Type; Input : out Socket_Input);
-- Open a new input reading from the socket
procedure Close (Input : in out Socket_Input);
-- Free the memory
procedure Next_Char
(From : in out Socket_Input;
C : out Unicode.Unicode_Char);
-- Return the next character in the buffer.
-- This is a blocking procedure until some character becomes available on
-- the socket.
function Eof (From : Socket_Input) return Boolean;
-- True if the socket is closed and all data received from it has been
-- read.
private
type Socket_Input is new Input_Source with record
Socket : GNAT.Sockets.Socket_Type;
Index : Natural;
Buffer_Last : Natural;
Buffer : Unicode.CES.Byte_Sequence_Access;
End_Of_File : Boolean;
end record;
end Input_Sources.Socket;