/usr/share/ada/adainclude/dbus-ada/d_bus-messages.ads is in libdbusada0.2-dev 0.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- D_Bus/Ada - An Ada binding to D-Bus
--
-- Copyright (C) 2011 Reto Buerki <reet@codelabs.ch>
--
-- This program 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 program 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 program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-- 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.
--
with System;
with D_Bus.Arguments;
package D_Bus.Messages is
type Message_Variant is
(Invalid,
Method_Call,
Method_Return,
Error,
Signal);
-- D-Bus message types.
type Message_Type is private;
-- A D-Bus message, see the section 'Message Format' in the D-Bus
-- specification.
function New_Method_Return (Method_Call : Message_Type) return Message_Type;
-- Constructs a message that is a reply to a method call.
function New_Error
(Reply_To : Message_Type;
Error_Name : String;
Error_Message : String)
return Message_Type;
-- Creates a new message that is an error reply to another message.
function Create (D_Msg : System.Address) return Message_Type;
-- Create message object from low-level D-Bus message.
function Get_Type (Msg : Message_Type) return Message_Variant;
-- Return the message's type.
function Get_Serial (Msg : Message_Type) return Positive;
-- Return the message's serial number.
function Get_Sender (Msg : Message_Type) return String;
-- Return the message's sender.
function Get_Destination (Msg : Message_Type) return String;
-- Return the message's destination.
function Get_Path (Msg : Message_Type) return String;
-- Return the path.
function Get_Interface (Msg : Message_Type) return String;
-- Return the called interface.
function Get_Member (Msg : Message_Type) return String;
-- Return the member; either the method name or signal name.
function Get_Arguments
(Msg : Message_Type)
return Arguments.Argument_List_Type;
-- Return the message's arguments (if any).
procedure Add_Arguments
(Msg : in out Message_Type;
Args : Arguments.Argument_List_Type);
-- Add given arguments to message.
function Is_Method_Call
(Msg : Message_Type;
Iface : String;
Method : String)
return Boolean;
-- Checks whether the given message is a method call with the given
-- interface and member fields.
function To_Thin (Msg : Message_Type) return System.Address;
-- Helper function to convert the Ada D-Bus message to a thin binding
-- memory address. TODO: remove me.
Invalid_Message : exception;
private
type Message_Type is record
Thin_Msg : System.Address := System.Null_Address;
end record;
end D_Bus.Messages;
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