------------------------------------------------------------------------------
-- Templates Parser --
-- --
-- Copyright (C) 2004-2014, 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. --
------------------------------------------------------------------------------
pragma Ada_2012;
with Ada.Environment_Variables;
package Templates_Parser.Utils is
use Ada;
function Image (N : Integer) return String with
Inline => True,
Post => Image'Result'Length > 0;
-- Returns N image without leading blank
function Image (T : Tag) return String;
-- Returns a string representation for this tag
function Value (T : String) return Tag;
-- Give a string representation of a tag (as encoded with Image above),
-- build the corresponding Tag object. Raises Constraint_Error if T is
-- not a valid tag representation.
function Get_Program_Directory return String;
-- Returns the directory full path name for the current running program
Is_Windows : constant Boolean :=
Environment_Variables.Exists ("OS") and then
Environment_Variables.Value ("OS") = "Windows_NT";
Directory_Separator : constant Character;
Path_Separator : constant Character;
function Executable_Extension return String;
-- Return the executable exetension for the running host
function Web_Escape (S : String) return String with
Post => Web_Escape'Result'Length >= S'Length;
-- Encode all characters that cannot be used as-is into an HTML page
function Is_Number (S : String) return Boolean;
-- Returns true if S is composed of digits only
-- Byte Order Mark
BOM_Utf8 : constant String :=
Character'Val (16#EF#)
& Character'Val (16#BB#)
& Character'Val (16#BF#);
private
subtype Windows_Host is Boolean;
type C_Array is array (Windows_Host) of Character;
DS : C_Array := C_Array'(True => '\', False => '/');
PS : C_Array := C_Array'(True => ';', False => ':');
Directory_Separator : constant Character := DS (Is_Windows);
Path_Separator : constant Character := PS (Is_Windows);
end Templates_Parser.Utils;