/usr/share/ada/adainclude/log4ada/log4ada-events.adb is in liblog4ada2-dev 1.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Log4Ada --
-- --
-- Copyright (C) 2007 --
-- X. Grave CNRS --
-- --
-- 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. --
-- --
package body Log4ada.Events is
use Ada.Strings.Unbounded;
use Ada.Exceptions;
Event_Name : constant Unbounded_String :=
To_Unbounded_String ("log4ada:event");
---------------
-- New_Event --
---------------
function New_Event (Location_Information : String;
Logger_Name : String;
Level : Level_Type;
Timestamp : Integer;
Message : String)
return Event_Type is
begin
return (Name => Event_Name,
Location_Information =>
To_Unbounded_String (Location_Information),
Logger_Name => To_Unbounded_String (Logger_Name),
Level => Level,
Timestamp => Timestamp,
Message => To_Unbounded_String (Message),
Exception_Present => False,
Exception_To_Send_Name => Null_Unbounded_String,
Exception_To_Send_Message => Null_Unbounded_String);
end New_Event;
function New_Event
(Location_Information : String;
Logger_Name : String;
Level : Level_Type;
Timestamp : Integer;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence)
return Event_Type
is
begin
return (Name => Event_Name,
Location_Information =>
To_Unbounded_String (Location_Information),
Logger_Name => To_Unbounded_String (Logger_Name),
Level => Level,
Timestamp => Timestamp,
Message => To_Unbounded_String (Message),
Exception_Present => True,
Exception_To_Send_Name =>
To_Unbounded_String (Exception_Name (Exception_To_Send)),
Exception_To_Send_Message =>
To_Unbounded_String (Exception_Message (Exception_To_Send)));
end New_Event;
------------------------------
-- Get_Location_Information --
------------------------------
function Get_Location_Information (Event : Event_Type) return String is
begin
return To_String (Event.Location_Information);
end Get_Location_Information;
function Get_Logger_Name (Event : Event_Type) return String is
begin
return To_String (Event.Logger_Name);
end Get_Logger_Name;
---------------
-- Get_Level --
---------------
function Get_Level (Event : Event_Type) return Level_Type is
begin
return Event.Level;
end Get_Level;
-------------------
-- Get_Timestamp --
-------------------
function Get_Timestamp (Event : Event_Type) return Integer is
begin
return Event.Timestamp;
end Get_Timestamp;
-----------------
-- Get_Message --
-----------------
function Get_Message (Event : Event_Type) return String is
begin
return To_String (Event.Message);
end Get_Message;
-------------------
-- Get_Exception --
-------------------
function Exception_Present (Event : Event_Type) return Boolean is
begin
return Event.Exception_Present;
end Exception_Present;
function Get_Exception_Name
(Event : Event_Type)
return String
is
begin
return To_String (Event.Exception_To_Send_Name);
end Get_Exception_Name;
function Get_Exception_Message (Event : Event_Type) return String is
begin
return To_String (Event.Exception_To_Send_Message);
end Get_Exception_Message;
Event_Separator : constant String := "<log4Ada_Tag>";
Missing_Separator : exception;
function Get_First_Value (Work_Event_String : Unbounded_String)
return String;
function Get_First_Value_Unbounded (Work_Event_String : Unbounded_String)
return Unbounded_String;
procedure Cut_First_Value (Work_Event_String : in out Unbounded_String);
function To_Event (Event_String : String) return Event_Type is
Event : Event_Type;
Work_Event_String : Unbounded_String :=
To_Unbounded_String (Event_String);
begin
Event.Name := Get_First_Value_Unbounded (Work_Event_String);
Cut_First_Value (Work_Event_String);
Event.Location_Information :=
Get_First_Value_Unbounded (Work_Event_String);
Cut_First_Value (Work_Event_String);
Event.Level := Level_Type'Value (Get_First_Value (Work_Event_String));
Cut_First_Value (Work_Event_String);
Event.Timestamp := Integer'Value (Get_First_Value (Work_Event_String));
Cut_First_Value (Work_Event_String);
Event.Message := Get_First_Value_Unbounded (Work_Event_String);
Cut_First_Value (Work_Event_String);
Event.Logger_Name := Get_First_Value_Unbounded (Work_Event_String);
Cut_First_Value (Work_Event_String);
Event.Exception_Present :=
Boolean'Value (Get_First_Value (Work_Event_String));
if Event.Exception_Present then
Cut_First_Value (Work_Event_String);
Event.Exception_To_Send_Name :=
Get_First_Value_Unbounded (Work_Event_String);
Cut_First_Value (Work_Event_String);
Event.Exception_To_Send_Message :=
Get_First_Value_Unbounded (Work_Event_String);
else
Event.Exception_To_Send_Name := Null_Unbounded_String;
Event.Exception_To_Send_Message := Null_Unbounded_String;
end if;
return Event;
end To_Event;
function To_String (Event : Event_Type) return String is
String_To_Return : Unbounded_String := Event_Name;
begin
String_To_Return := String_To_Return &
Event_Separator & Event.Location_Information;
String_To_Return := String_To_Return &
Event_Separator & Event.Level'Img;
String_To_Return := String_To_Return &
Event_Separator & Event.Timestamp'Img;
String_To_Return := String_To_Return &
Event_Separator & Event.Message;
String_To_Return := String_To_Return &
Event_Separator & Event.Logger_Name;
String_To_Return := String_To_Return &
Event_Separator & Event.Exception_Present'Img;
String_To_Return := String_To_Return &
Event_Separator & Event.Exception_To_Send_Name;
String_To_Return := String_To_Return &
Event_Separator & Event.Exception_To_Send_Message;
return To_String (String_To_Return);
end To_String;
function Get_First_Value (Work_Event_String : Unbounded_String)
return String is
begin
return To_String (Get_First_Value_Unbounded (Work_Event_String));
end Get_First_Value;
function Get_First_Value_Unbounded (Work_Event_String : Unbounded_String)
return Unbounded_String is
Separator_Position : constant Natural := Index (Work_Event_String,
Event_Separator);
begin
if Separator_Position = 0 then
return Work_Event_String;
end if;
return Head (Work_Event_String, Separator_Position - 1);
end Get_First_Value_Unbounded;
procedure Cut_First_Value (Work_Event_String : in out Unbounded_String) is
Separator_Position : constant Natural := Index (Work_Event_String,
Event_Separator);
begin
if Separator_Position = 0 then
raise Missing_Separator;
end if;
Tail (Work_Event_String,
Length (Work_Event_String) -
Separator_Position -
Event_Separator'Length + 1);
end Cut_First_Value;
end Log4ada.Events;
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