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171 | ------------------------------------------------------------------------------
-- --
-- GNOGA - The GNU Omnificent GUI for Ada --
-- --
-- G N O G A . S E R V E R --
-- --
-- B o d y --
-- --
-- --
-- Copyright (C) 2014 David Botton --
-- --
-- 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. --
-- --
-- For more information please go to http://www.gnoga.com --
------------------------------------------------------------------------------
with Ada.Directories;
with Ada.Command_Line;
with Ada.Characters.Conversions;
with GNAT.OS_Lib;
package body Gnoga.Server is
Exec_Loc : constant GNAT.OS_Lib.String_Access := GNAT.OS_Lib.Locate_Exec_On_Path (Ada.Command_Line.Command_Name);
Exec_Dir : constant String := From_UTF_8 (Exec_Loc.all);
function Find_Subdirectory
(Sub : String)
return String;
-- Return the path to the given subdirectory or return "";
-----------------------
-- Find_Subdirectory --
-----------------------
function Find_Subdirectory
(Sub : String)
return String
is
Dir : constant String := Application_Directory & Sub & Directory_Separator;
Html : constant String := Application_Directory & "html" & Directory_Separator;
begin
if Ada.Directories.Exists (To_UTF_8 (Dir)) then
return Dir;
elsif Ada.Directories.Exists (To_UTF_8 (Html)) then
return Html;
else
return Application_Directory;
end if;
end Find_Subdirectory;
-------------------------
-- Directory_Separator --
-------------------------
function Directory_Separator return Unicode_Character is
begin
return Ada.Characters.Conversions.To_Wide_Wide_Character (GNAT.OS_Lib.Directory_Separator);
end Directory_Separator;
---------------------------
-- Application_Directory --
---------------------------
function Application_Directory return String is
Exe : constant String := Executable_Directory;
begin
if Exe.Slice (Exe.Last - 3, Exe.Last - 1) = "bin" then
return Exe.Slice (Exe.First, Exe.Last - 4);
else
return Exe;
end if;
end Application_Directory;
--------------------------
-- Executable_Directory --
--------------------------
function Executable_Directory return String is
begin
return From_UTF_8 (Ada.Directories.Containing_Directory (To_UTF_8 (Exec_Dir))) & Directory_Separator;
end Executable_Directory;
--------------------
-- HTML_Directory --
--------------------
function HTML_Directory return String is
begin
return Find_Subdirectory ("html");
end HTML_Directory;
------------------
-- JS_Directory --
------------------
function JS_Directory return String is
begin
return Find_Subdirectory ("js");
end JS_Directory;
-------------------
-- IMG_Directory --
-------------------
function IMG_Directory return String is
begin
return Find_Subdirectory ("img");
end IMG_Directory;
-------------------
-- CSS_Directory --
-------------------
function CSS_Directory return String is
begin
return Find_Subdirectory ("css");
end CSS_Directory;
----------------------
-- Upload_Directory --
----------------------
function Upload_Directory return String is
begin
return Find_Subdirectory ("upload");
end Upload_Directory;
-------------------------
-- Templates_Directory --
-------------------------
function Templates_Directory return String is
Dir : constant String := Application_Directory & "templates" & Directory_Separator;
Alt : constant String :=
Application_Directory & "share" & Directory_Separator & "gnoga" & Directory_Separator & "templates" &
Directory_Separator;
begin
if Ada.Directories.Exists (To_UTF_8 (Dir)) then
return Dir;
elsif Ada.Directories.Exists (To_UTF_8 (Alt)) then
return Alt;
else
return Application_Directory;
end if;
end Templates_Directory;
end Gnoga.Server;
|