------------------------------------------------------------------------------ -- -- -- GNAT ncurses Binding Samples -- -- -- -- Sample.My_Field_Type -- -- -- -- B O D Y -- -- -- ------------------------------------------------------------------------------ -- Copyright (c) 1998-2006,2008 Free Software Foundation, Inc. -- -- -- -- Permission is hereby granted, free of charge, to any person obtaining a -- -- copy of this software and associated documentation files (the -- -- "Software"), to deal in the Software without restriction, including -- -- without limitation the rights to use, copy, modify, merge, publish, -- -- distribute, distribute with modifications, sublicense, and/or sell -- -- copies of the Software, and to permit persons to whom the Software is -- -- furnished to do so, subject to the following conditions: -- -- -- -- The above copyright notice and this permission notice shall be included -- -- in all copies or substantial portions of the Software. -- -- -- -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -- -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR -- -- THE USE OR OTHER DEALINGS IN THE SOFTWARE. -- -- -- -- Except as contained in this notice, the name(s) of the above copyright -- -- holders shall not be used in advertising or otherwise to promote the -- -- sale, use or other dealings in this Software without prior written -- -- authorization. -- ------------------------------------------------------------------------------ -- Author: Juergen Pfeifer, 1996 -- Version Control -- $Revision: 1.16 $ -- $Date: 2008/07/26 18:47:58 $ -- Binding Version 01.00 ------------------------------------------------------------------------------ -- This is a very simple user defined field type. It accepts only a -- defined character as input into the field. -- package body Sample.My_Field_Type is -- That's simple. There are minimal field validity checks. function Field_Check (Fld : Field; Typ : My_Data) return Boolean is begin if Fld = Null_Field or Typ.Ch = Character'Val (0) then return False; end if; return True; end Field_Check; -- Check exactly against the specified character. function Character_Check (Ch : Character; Typ : My_Data) return Boolean is C : constant Character := Typ.Ch; begin return Ch = C; end Character_Check; end Sample.My_Field_Type;