/usr/share/ada/adainclude/aws/aws-containers-tables-set.adb is in libaws3.3.2-dev 3.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Ada Web Server --
-- --
-- Copyright (C) 2000-2012, 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. --
------------------------------------------------------------------------------
package body AWS.Containers.Tables.Set is
procedure Update_Internal
(Table : in out Table_Type;
Name : String;
Value : String;
N : Natural);
-- Update the N-th Value with the given Name into the Table.
-- The container could already have more than one value associated with
-- this name. If there is M values with this Name, then if:
-- N <= M => update the value
-- N = 0 => the pair name=value is appended to the table
-- N = M + 1 => idem
-- N > M + 1 => Constraint_Error raised
---------
-- Add --
---------
procedure Add
(Table : in out Table_Type;
Name, Value : String) is
begin
Update_Internal (Table, Name, Value, 0);
end Add;
--------------------
-- Case_Sensitive --
--------------------
procedure Case_Sensitive
(Table : in out Table_Type;
Mode : Boolean) is
begin
Table.Case_Sensitive := Mode;
end Case_Sensitive;
-----------
-- Reset --
-----------
procedure Reset (Table : in out Table_Type) is
begin
Index_Table.Clear (Table.Index);
Data_Table.Clear (Table.Data);
end Reset;
------------
-- Update --
------------
procedure Update
(Table : in out Table_Type;
Name : String;
Value : String;
N : Positive := 1) is
begin
Update_Internal (Table, Name, Value, N);
end Update;
---------------------
-- Update_Internal --
---------------------
procedure Update_Internal
(Table : in out Table_Type;
Name : String;
Value : String;
N : Natural)
is
L_Key : constant String :=
Normalize_Name (Name, not Table.Case_Sensitive);
Cursor : Index_Table.Cursor := Index_Table.Find (Table.Index, L_Key);
procedure Process
(Key : String;
Item : in out Name_Index_Table);
-------------
-- Process --
-------------
procedure Process
(Key : String;
Item : in out Name_Index_Table)
is
pragma Unreferenced (Key);
NV : constant Element :=
(Name_Length => Name'Length,
Value_Length => Value'Length,
Name => Name,
Value => Value);
begin
if N = 0 or else N = Natural (Name_Indexes.Length (Item)) + 1 then
-- Add item at the end of the table
Data_Table.Append (Table.Data, NV);
Name_Indexes.Append
(Item, Key_Positive (Data_Table.Length (Table.Data)));
elsif N <= Natural (Name_Indexes.Length (Item)) then
-- Replace item
Data_Table.Replace_Element
(Table.Data, Name_Indexes.Element (Item, N), NV);
else
-- This item does not exist
raise Constraint_Error;
end if;
end Process;
begin
if not Index_Table.Has_Element (Cursor) then
-- Insert empty vector into Table.Index
if N > 1 then
raise Constraint_Error;
end if;
declare
Values : Name_Index_Table;
Success : Boolean;
begin
Index_Table.Insert
(Table.Index, L_Key, Values, Cursor, Success);
pragma Assert (Success);
end;
end if;
-- Update index vector just in place
Index_Table.Update_Element (Table.Index, Cursor, Process'Access);
end Update_Internal;
end AWS.Containers.Tables.Set;
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