------------------------------------------------------------------------------
-- G N A T C O L L --
-- --
-- Copyright (C) 2016-2020, 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 MERCHAN- --
-- TABILITY 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/>. --
-- --
------------------------------------------------------------------------------
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
package body GNATCOLL.SQL_Fields is
-----------------
-- Json_To_SQL --
-----------------
function Json_To_SQL
(Self : Formatter'Class; Value : String; Quote : Boolean) return String is
begin
if Trim (Value, Ada.Strings.Both) = "" then
return "null";
-- Json null, not to be confused with SQL NULL.
else
return String_Image (Self, Value, Quote);
end if;
end Json_To_SQL;
-----------------
-- XML_To_SQL --
-----------------
function XML_To_SQL
(Self : Formatter'Class; Value : String; Quote : Boolean) return String
is
pragma Unreferenced (Self, Quote);
begin
if Trim (Value, Ada.Strings.Both) = "" then
return "<null/>";
-- XML null, not to be confused with SQL NULL.
else
return Value;
end if;
end XML_To_SQL;
end GNATCOLL.SQL_Fields;