/usr/share/ada/adainclude/aws/aws-headers-values.ads is in libaws3.3.2-dev 3.3.2-2.
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-- Ada Web Server --
-- --
-- Copyright (C) 2002-2014, 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 --
-- <http://www.gnu.org/licenses/>. --
-- --
-- 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. --
------------------------------------------------------------------------------
with Ada.Strings.Unbounded;
package AWS.Headers.Values is
use Ada.Strings.Unbounded;
Format_Error : exception renames Headers.Format_Error;
-- Data represent a token from an header line. There is two kinds of
-- token, either named or un-named.
--
-- Content-Type: xyz boundary="uvt"
--
-- Here xyz is an un-named value and uvt a named value the name is
-- boundary.
type Data (Named_Value : Boolean := True) is record
Value : Unbounded_String;
case Named_Value is
when True =>
Name : Unbounded_String;
when False =>
null;
end case;
end record;
type Set is array (Positive range <>) of Data;
-----------
-- Parse --
-----------
generic
with procedure Value (Item : String; Quit : in out Boolean);
-- Called for every un-named value read from the header value
with procedure Named_Value
(Name : String;
Value : String;
Quit : in out Boolean);
-- Called for every named value read from the header value
procedure Parse (Header_Value : String);
-- Look for un-named values and named ones (Name="Value" pairs) in the
-- header line, and call appropriate routines when found. Quit is set to
-- False before calling Value or Named_Value, the parsing can be stopped
-- by setting Quit to True.
-------------------
-- Split / Index --
-------------------
function Split (Header_Value : String) return Set;
-- Returns a Set with each named and un-named values splited from Data
function Index
(Set : Values.Set;
Name : String;
Case_Sensitive : Boolean := True) return Natural;
-- Returns index for Name in the set or 0 if Name not found.
-- If Case_Sensitive is false the find is case_insensitive.
---------------------------
-- Other search routines --
---------------------------
function Search
(Header_Value : String;
Name : String;
Case_Sensitive : Boolean := True) return String;
-- Returns Value for Name in Header_Value or the empty string if Name not
-- found. If Case_Sensitive is False the search is case insensitive.
function Get_Unnamed_Value
(Header_Value : String; N : Positive := 1) return String;
-- Returns N-th un-named value from Header_Value
function Unnamed_Value_Exists
(Header_Value : String;
Value : String;
Case_Sensitive : Boolean := True) return Boolean;
-- Returns True if the unnamed value specified has been found in
-- Header_Value.
end AWS.Headers.Values;
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