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107 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2021, 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. --
------------------------------------------------------------------------------
limited with AWS.HTTP2.Connection;
private with Ada.Containers.Indefinite_Vectors;
private with Ada.Containers.Indefinite_Ordered_Maps;
package AWS.HTTP2.HPACK.Table is
type Object is tagged private;
type Object_Access is access all Object;
type Name_Value (N_Length : Positive; V_Length : Natural) is record
Name : String (1 .. N_Length);
Value : String (1 .. V_Length);
end record;
procedure Insert
(Self : in out Object;
Settings : not null access HTTP2.Connection.Object;
Name, Value : String);
-- Insert Name & Value pair into the dynamic table
function Get_Name (Self : Object; Index : Positive) return String;
-- Get Name at the given index in the table
function Get_Name_Value (Self : Object; Index : Positive) return Name_Value;
-- Get Name & Value pair at the given index in the table
function Get_Name_Value_Index
(Self : in out Object;
Settings : not null access HTTP2.Connection.Object;
Name : String;
Value : String := "";
Both : out Boolean) return Natural;
-- Get the index of the Name (and Value if specificed).
-- Returns 0 if not found and adds Name to the internal table to search
-- later. Both is set to true if the pair is found and False if only the
-- Name has been found.
function Size (Self : Object) return Natural;
-- Returns size of the table in bytes
procedure Dump (Self : Object);
-- Dump table content for debug
procedure Clear (Self : in out Object);
-- Clear encoding/decoding dynamic table
private
use Ada;
package Index_NV is
new Containers.Indefinite_Vectors (Positive, Name_Value);
package NV_Index is
new Containers.Indefinite_Ordered_Maps (String, Positive);
type Static_Table is record
T_IN : Index_NV.Vector;
T_NI : NV_Index.Map;
end record;
type Dynamic_Table is record
T_IN : Index_NV.Vector;
T_NI : NV_Index.Map;
Size : Natural := 0; -- size in byte
Length : Natural := 0; -- number of items
Rank : Natural := 0; -- rank (index entry) of item
end record;
type Object is tagged record
Dynamic : Dynamic_Table;
end record;
function Size (Self : Object) return Natural is
(Self.Dynamic.Size);
end AWS.HTTP2.HPACK.Table;
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