File : src/aws-headers.adb
------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2000-2003 --
-- ACT-Europe --
-- --
-- Authors: Dmitriy Anisimkov - Pascal Obry --
-- --
-- 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. --
-- --
-- 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. --
------------------------------------------------------------------------------
-- $Id: aws-headers.adb,v 1.11 2003/01/20 21:04:27 obry Exp $
with Ada.Strings.Unbounded;
with AWS.Net.Buffered;
package body AWS.Headers is
--------------
-- Get_Line --
--------------
function Get_Line
(Headers : in List;
N : in Positive)
return String
is
Pair : constant Element := Get (Headers, N);
begin
if Pair.Name = "" then
return "";
else
return Pair.Name & ": " & Pair.Value;
end if;
end Get_Line;
----------------
-- Get_Values --
----------------
function Get_Values
(Headers : in List;
Name : in String)
return String
is
Values : constant VString_Array := Get_Values (Headers, Name);
function Get_Values (Start_From : in Positive) return String;
-- Return string of header values comma separated
-- concateneted starting from Start_From index.
----------------
-- Get_Values --
----------------
function Get_Values (Start_From : in Positive) return String is
Value : constant String
:= Ada.Strings.Unbounded.To_String (Values (Start_From));
begin
if Start_From = Values'Last then
return Value;
else
return Value & ", " & Get_Values (Start_From + 1);
end if;
end Get_Values;
begin
if Values'Length > 0 then
return Get_Values (Values'First);
else
return "";
end if;
end Get_Values;
-----------------
-- Send_Header --
-----------------
procedure Send_Header
(Socket : in Net.Socket_Type'Class;
Headers : in List) is
begin
for J in 1 .. Count (Headers) loop
Net.Buffered.Put_Line (Socket, Get_Line (Headers, J));
end loop;
end Send_Header;
end AWS.Headers;